release: 0.35.0

Co-authored-by: Elias Schneider <login@eliasschneider.com>

.dockerignore

@@ -0,0 +1,18 @@
+node_modules
+
+# Output
+.output
+.vercel
+/frontend/.svelte-kit
+/frontend/build
+/backend/bin
+
+
+# Env
+.env
+.env.*
+
+
+# Application specific
+data
+/scripts/development

.env.example

@@ -1 +1,6 @@
+# See the README for more information: https://github.com/pocket-id/pocket-id?tab=readme-ov-file#environment-variables
 PUBLIC_APP_URL=http://localhost
+TRUST_PROXY=false
+MAXMIND_LICENSE_KEY=
+PUID=1000
+PGID=1000

.env.test

@@ -1,2 +0,0 @@
-APP_ENV=test
-PUBLIC_APP_URL=http://localhost

.github/ISSUE_TEMPLATE/bug.yml

@@ -34,4 +34,23 @@ body:
   - type: markdown
     attributes:
       value: |
-        Before submitting, please check if the issues hasn't been raised before.
+        ### Additional Information
+  - type: textarea
+    id: extra-information
+    validations:
+      required: true
+    attributes:
+      label: "Version and Environment"
+      description: "Please specify the version of Pocket ID, along with any environment-specific configurations, such your reverse proxy, that might be relevant."
+      placeholder: "e.g., v0.24.1"
+  - type: textarea
+    id: log-files
+    validations:
+      required: false
+    attributes:
+      label: "Log Output"
+      description: "Output of log files when the issue occured to help us diagnose the issue."
+  - type: markdown
+    attributes:
+      value: |
+        **Before submitting, please check if the issue hasn't been raised before.**

.github/workflows/build-and-push-docker-image.yml

@@ -6,29 +6,50 @@ on:
 
 jobs:
   build:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04 # Using an older version because of https://github.com/actions/runner-images/issues/11471
+    permissions:
+      contents: read
+      packages: write      
     steps:
       - name: checkout code
         uses: actions/checkout@v3
 
+      - name: Docker metadata
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: |
+            ghcr.io/${{ github.repository }}
+          tags: |
+            type=semver,pattern={{version}},prefix=v
+            type=semver,pattern={{major}}.{{minor}},prefix=v
+
       - name: Set up QEMU
-        uses: docker/setup-qemu-action@v2
+        uses: docker/setup-qemu-action@v3
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v2
+        uses: docker/setup-buildx-action@v3
 
-      - name: Login to Docker registry
+      - name: Login to Docker Hub
-        uses: docker/login-action@v2
+        uses: docker/login-action@v3
         with:
           username: ${{ secrets.DOCKER_REGISTRY_USERNAME }}
           password: ${{ secrets.DOCKER_REGISTRY_PASSWORD }}
 
+      - name: 'Login to GitHub Container Registry'
+        uses: docker/login-action@v3
+        with:
+            registry: ghcr.io
+            username: ${{github.repository_owner}}
+            password: ${{secrets.GITHUB_TOKEN}}    
+    
       - name: Build and push
         uses: docker/build-push-action@v4
         with:
           context: .
           platforms: linux/amd64,linux/arm64
           push: true
-          tags: stonith404/pocket-id:latest,stonith404/pocket-id:${{  github.ref_name }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
           cache-from: type=gha
           cache-to: type=gha,mode=max

.github/workflows/e2e-tests.yml

@@ -2,24 +2,55 @@ name: E2E Tests
 on:
   push:
     branches: [main]
+    paths-ignore:
+      - "docs/**"
+      - "**.md"
+      - ".github/**"
   pull_request:
     branches: [main]
+    paths-ignore:
+      - "docs/**"
+      - "**.md"
+      - ".github/**"
+
 jobs:
-  build-and-test:
+  build:
     timeout-minutes: 20
     runs-on: ubuntu-latest
+    steps:
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Build and export
+        uses: docker/build-push-action@v6
+        with:
+          tags: pocket-id/pocket-id:test
+          outputs: type=docker,dest=/tmp/docker-image.tar
+
+      - name: Upload Docker image artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: docker-image
+          path: /tmp/docker-image.tar
+
+  test-sqlite:
+    runs-on: ubuntu-latest
+    needs: build
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
         with:
           node-version: lts/*
-          cache: 'npm'
+          cache: "npm"
           cache-dependency-path: frontend/package-lock.json
-      
+
-      - name: Build Docker Image
+      - name: Download Docker image artifact
-        run: docker build -t stonith404/pocket-id .
+        uses: actions/download-artifact@v4
-      - name: Run Docker Container
+        with:
-        run: docker run -d --name pocket-id -p 80:80 --env-file .env.test stonith404/pocket-id
+          name: docker-image
+          path: /tmp
+      - name: Load Docker Image
+        run: docker load -i /tmp/docker-image.tar
 
       - name: Install frontend dependencies
         working-directory: ./frontend
@@ -29,17 +60,94 @@ jobs:
         working-directory: ./frontend
         run: npx playwright install --with-deps chromium
 
+      - name: Run Docker Container with Sqlite DB
+        run: |
+          docker run -d --name pocket-id-sqlite \
+          -p 80:80 \
+          -e APP_ENV=test \
+          pocket-id/pocket-id:test
+
       - name: Run Playwright tests
         working-directory: ./frontend
         run: npx playwright test
 
-      - name: Get container logs
+      - uses: actions/upload-artifact@v4
         if: always()
-        run: docker logs pocket-id
+        with:
+          name: playwright-report-sqlite
+          path: frontend/tests/.report
+          include-hidden-files: true
+          retention-days: 15
+
+  test-postgres:
+    runs-on: ubuntu-latest
+    needs: build
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: lts/*
+          cache: "npm"
+          cache-dependency-path: frontend/package-lock.json
+
+      - name: Download Docker image artifact
+        uses: actions/download-artifact@v4
+        with:
+          name: docker-image
+          path: /tmp
+      - name: Load Docker Image
+        run: docker load -i /tmp/docker-image.tar
+
+      - name: Install frontend dependencies
+        working-directory: ./frontend
+        run: npm ci
+
+      - name: Install Playwright Browsers
+        working-directory: ./frontend
+        run: npx playwright install --with-deps chromium
+
+      - name: Create Docker network
+        run: docker network create pocket-id-network
+
+      - name: Start Postgres DB
+        run: |
+          docker run -d --name pocket-id-db \
+          --network pocket-id-network \
+          -e POSTGRES_USER=postgres \
+          -e POSTGRES_PASSWORD=postgres \
+          -e POSTGRES_DB=pocket-id \
+          -p 5432:5432 \
+          postgres:17
+
+      - name: Wait for Postgres to start
+        run: |
+          for i in {1..10}; do
+            if docker exec pocket-id-db pg_isready -U postgres; then
+              echo "Postgres is ready"
+              break
+            fi
+            echo "Waiting for Postgres..."
+            sleep 2
+          done
+
+      - name: Run Docker Container with Postgres DB
+        run: |
+          docker run -d --name pocket-id-postgres \
+          --network pocket-id-network \
+          -p 80:80 \
+          -e APP_ENV=test \
+          -e DB_PROVIDER=postgres \
+          -e POSTGRES_CONNECTION_STRING=postgresql://postgres:postgres@pocket-id-db:5432/pocket-id \
+          pocket-id/pocket-id:test
+
+      - name: Run Playwright tests
+        working-directory: ./frontend
+        run: npx playwright test
 
       - uses: actions/upload-artifact@v4
         if: always()
         with:
-          name: playwright-report
+          name: playwright-report-postgres
-          path: frontend/tests/.output
+          path: frontend/tests/.report
+          include-hidden-files: true
           retention-days: 15

.gitignore

@@ -34,4 +34,17 @@ vite.config.ts.timestamp-*
 # Application specific
 data
 /frontend/tests/.auth
-pocket-id-backend
+/frontend/tests/.report
+pocket-id-backend
+/backend/GeoLite2-City.mmdb
+
+# Misc
+.DS_Store
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local
+
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*

.version

@@ -1 +1 @@
-0.1.3
+0.35.0

CHANGELOG.md

@@ -1,3 +1,518 @@
+## [](https://github.com/pocket-id/pocket-id/compare/v0.34.0...v) (2025-02-19)
+
+
+### Features
+
+* add ability to upload a profile picture ([#244](https://github.com/pocket-id/pocket-id/issues/244)) ([652ee6a](https://github.com/pocket-id/pocket-id/commit/652ee6ad5d6c46f0d35c955ff7bb9bdac6240ca6))
+
+
+### Bug Fixes
+
+* app config strings starting with a number are parsed incorrectly ([816c198](https://github.com/pocket-id/pocket-id/commit/816c198a42c189cb1f2d94885d2e3623e47e2848))
+* emails do not get rendered correctly in Gmail ([dca9e7a](https://github.com/pocket-id/pocket-id/commit/dca9e7a11a3ba5d3b43a937f11cb9d16abad2db5))
+
+## [](https://github.com/pocket-id/pocket-id/compare/v0.33.0...v) (2025-02-16)
+
+
+### Features
+
+* add LDAP group membership attribute ([#236](https://github.com/pocket-id/pocket-id/issues/236)) ([39b46e9](https://github.com/pocket-id/pocket-id/commit/39b46e99a9b930ea39cf640c3080530cfff5be6e))
+
+## [](https://github.com/pocket-id/pocket-id/compare/v0.32.0...v) (2025-02-14)
+
+
+### Features
+
+* add end session endpoint ([#232](https://github.com/pocket-id/pocket-id/issues/232)) ([7550333](https://github.com/pocket-id/pocket-id/commit/7550333fe2ff6424f3168f63c5179d76767532fd))
+
+
+### Bug Fixes
+
+* alignment of OIDC client details ([c3980d3](https://github.com/pocket-id/pocket-id/commit/c3980d3d28a7158a4dc9369af41f185b891e485e))
+* layout of OIDC client details page on mobile ([3de1301](https://github.com/pocket-id/pocket-id/commit/3de1301fa84b3ab4fff4242d827c7794d44910f2))
+* show  "Sync Now" and "Test Email" button even if UI config is disabled ([4d0fff8](https://github.com/pocket-id/pocket-id/commit/4d0fff821e2245050ce631b4465969510466dfae))
+
+## [](https://github.com/pocket-id/pocket-id/compare/v0.31.0...v) (2025-02-13)
+
+
+### Features
+
+* add ability to set custom Geolite DB URL ([2071d00](https://github.com/pocket-id/pocket-id/commit/2071d002fc5c3b5ff7a3fca6a5c99f5517196853))
+
+## [](https://github.com/pocket-id/pocket-id/compare/v0.30.0...v) (2025-02-12)
+
+
+### Features
+
+* add ability to override the UI configuration with environment variables ([4e85842](https://github.com/pocket-id/pocket-id/commit/4e858420e9d9713e19f3b35c45c882403717f72f))
+* add warning for only having one passkey configured ([#220](https://github.com/pocket-id/pocket-id/issues/220)) ([39e403d](https://github.com/pocket-id/pocket-id/commit/39e403d00f3870f9e960427653a1d9697da27a6f))
+* display source in user and group table ([#225](https://github.com/pocket-id/pocket-id/issues/225)) ([9ed2adb](https://github.com/pocket-id/pocket-id/commit/9ed2adb0f8da13725fd9a4ef6a7798c377d13513))
+
+
+### Bug Fixes
+
+* user linking in ldap group sync ([#222](https://github.com/pocket-id/pocket-id/issues/222)) ([2d78349](https://github.com/pocket-id/pocket-id/commit/2d78349b381d7ca10f47d3c03cef685a576b1b49))
+
+## [](https://github.com/pocket-id/pocket-id/compare/v0.29.0...v) (2025-02-08)
+
+
+### Features
+
+* add custom ldap search filters ([#216](https://github.com/pocket-id/pocket-id/issues/216)) ([626f87d](https://github.com/pocket-id/pocket-id/commit/626f87d59211f4129098b91dc1d020edb4aca692))
+* update host configuration to allow external access ([#218](https://github.com/pocket-id/pocket-id/issues/218)) ([bea1158](https://github.com/pocket-id/pocket-id/commit/bea115866fd8e4b15d3281c422d2fb72312758b1))
+
+## [](https://github.com/pocket-id/pocket-id/compare/v0.28.1...v) (2025-02-05)
+
+
+### Features
+
+* add JSON support in custom claims ([15cde6a](https://github.com/pocket-id/pocket-id/commit/15cde6ac66bc857ac28df545a37c1f4341977595))
+* add option to disable Caddy in the Docker container ([e864d5d](https://github.com/pocket-id/pocket-id/commit/e864d5dcbff1ef28dc6bf120e4503093a308c5c8))
+
+## [](https://github.com/stonith404/pocket-id/compare/v0.28.0...v) (2025-02-04)
+
+
+### Bug Fixes
+
+* don't return error page if version info fetching failed ([d06257e](https://github.com/stonith404/pocket-id/commit/d06257ec9b5e46e25e40c174b4bef02dca0a1ea3))
+
+## [](https://github.com/stonith404/pocket-id/compare/v0.27.2...v) (2025-02-03)
+
+
+### Features
+
+* allow LDAP users and groups to be deleted if LDAP gets disabled ([9ab1787](https://github.com/stonith404/pocket-id/commit/9ab178712aa3cc71546a89226e67b7ba91245251))
+* map allowed groups to OIDC clients ([#202](https://github.com/stonith404/pocket-id/issues/202)) ([13b02a0](https://github.com/stonith404/pocket-id/commit/13b02a072f20ce10e12fd8b897cbf42a908f3291))
+
+
+### Bug Fixes
+
+* **caddy:** trusted_proxies for IPv6 enabled hosts ([#189](https://github.com/stonith404/pocket-id/issues/189)) ([37a835b](https://github.com/stonith404/pocket-id/commit/37a835b44e308622f6862de494738dd2bfb58ef0))
+* missing user service dependency ([61e71ad](https://github.com/stonith404/pocket-id/commit/61e71ad43b8f0f498133d3eb2381382e7bc642b9))
+* non LDAP user group can't be updated after update ([ecd74b7](https://github.com/stonith404/pocket-id/commit/ecd74b794f1ffb7da05bce0046fb8d096b039409))
+* use cursor pointer on clickable elements ([7798580](https://github.com/stonith404/pocket-id/commit/77985800ae9628104e03e7f2e803b7ed9eaaf4e0))
+
+## [](https://github.com/stonith404/pocket-id/compare/v0.27.1...v) (2025-01-27)
+
+
+### Bug Fixes
+
+* smtp hello for tls connections ([#180](https://github.com/stonith404/pocket-id/issues/180)) ([781ff7a](https://github.com/stonith404/pocket-id/commit/781ff7ae7b84b13892e7a565b7a78f20c52ee2c9))
+
+## [](https://github.com/stonith404/pocket-id/compare/v0.27.0...v) (2025-01-24)
+
+
+### Bug Fixes
+
+* add `__HOST` prefix to cookies ([#175](https://github.com/stonith404/pocket-id/issues/175)) ([164ce6a](https://github.com/stonith404/pocket-id/commit/164ce6a3d7fa8ae5275c94302952cf318e3b3113))
+* send hostname derived from `PUBLIC_APP_URL` with SMTP EHLO command ([397544c](https://github.com/stonith404/pocket-id/commit/397544c0f3f2b49f1f34ae53e6b9daf194d1ae28))
+* use OS hostname for SMTP EHLO message ([47c39f6](https://github.com/stonith404/pocket-id/commit/47c39f6d382c496cb964262adcf76cc8dbb96da3))
+
+## [](https://github.com/stonith404/pocket-id/compare/v0.26.0...v) (2025-01-22)
+
+
+### Features
+
+* display private IP ranges correctly in audit log ([#139](https://github.com/stonith404/pocket-id/issues/139)) ([72923bb](https://github.com/stonith404/pocket-id/commit/72923bb86dc5d07d56aea98cf03320667944b553))
+
+
+### Bug Fixes
+
+* add save changes dialog before sending test email ([#165](https://github.com/stonith404/pocket-id/issues/165)) ([d02f475](https://github.com/stonith404/pocket-id/commit/d02f4753f3fbda75cd415ebbfe0702765c38c144))
+* ensure the downloaded GeoLite2 DB is not corrupted & prevent RW race condition ([#138](https://github.com/stonith404/pocket-id/issues/138)) ([f7710f2](https://github.com/stonith404/pocket-id/commit/f7710f298898d322885c1c83680e26faaa0bb800))
+
+## [](https://github.com/stonith404/pocket-id/compare/v0.25.1...v) (2025-01-20)
+
+
+### Features
+
+* support wildcard callback URLs ([8a1db0c](https://github.com/stonith404/pocket-id/commit/8a1db0cb4a5d4b32b4fdc19d41fff688a7c71a56))
+
+
+### Bug Fixes
+
+* non LDAP users get created with a empty LDAP ID string ([3f02d08](https://github.com/stonith404/pocket-id/commit/3f02d081098ad2caaa60a56eea4705639f80d01f))
+
+## [](https://github.com/stonith404/pocket-id/compare/v0.25.0...v) (2025-01-19)
+
+
+### Bug Fixes
+
+* disable account details inputs if user is imported from LDAP ([a8b9d60](https://github.com/stonith404/pocket-id/commit/a8b9d60a86e80c10d6fba07072b1d32cec400ecb))
+
+## [](https://github.com/stonith404/pocket-id/compare/v0.24.1...v) (2025-01-19)
+
+
+### Features
+
+* add LDAP sync ([#106](https://github.com/stonith404/pocket-id/issues/106)) ([5101b14](https://github.com/stonith404/pocket-id/commit/5101b14eec68a9507e1730994178d0ebe8185876))
+* allow sign in with email ([#100](https://github.com/stonith404/pocket-id/issues/100)) ([06b90ed](https://github.com/stonith404/pocket-id/commit/06b90eddd645cce57813f2536e4a6a8836548f2b))
+* automatically authorize client if signed in ([d5dd118](https://github.com/stonith404/pocket-id/commit/d5dd118a3f4ad6eed9ca496c458201bb10f148a0))
+
+
+### Bug Fixes
+
+* always set secure on cookie ([#130](https://github.com/stonith404/pocket-id/issues/130)) ([fda08ac](https://github.com/stonith404/pocket-id/commit/fda08ac1cd88842e25dc47395ed1288a5cfac4f8))
+* don't panic if LDAP sync fails on startup ([e284e35](https://github.com/stonith404/pocket-id/commit/e284e352e2b95fac1d098de3d404e8531de4b869))
+* improve spacing of checkboxes on application configuration page ([090eca2](https://github.com/stonith404/pocket-id/commit/090eca202d198852e6fbf4e6bebaf3b5ada13944))
+* search input not displayed if response hasn't any items ([05a98eb](https://github.com/stonith404/pocket-id/commit/05a98ebe87d7a88e8b96b144c53250a40d724ec3))
+* session duration ignored in cookie expiration ([bc8f454](https://github.com/stonith404/pocket-id/commit/bc8f454ea173ecc60e06450a1d22e24207f76714))
+
+## [](https://github.com/stonith404/pocket-id/compare/v0.24.0...v) (2025-01-13)
+
+
+### Bug Fixes
+
+* audit log table overflow if row data is long ([4d337a2](https://github.com/stonith404/pocket-id/commit/4d337a20c5cb92ef80bb7402f9b99b08e3ad0b6b))
+* optional arguments not working with `create-one-time-access-token.sh` ([8885571](https://github.com/stonith404/pocket-id/commit/888557171d61589211b10f70dce405126216ad61))
+* remove restrictive validation for group names ([be6e25a](https://github.com/stonith404/pocket-id/commit/be6e25a167de8bf07075b46f09d9fc1fa6c74426))
+
+## [](https://github.com/stonith404/pocket-id/compare/v0.23.0...v) (2025-01-11)
+
+
+### Features
+
+* add sorting for tables ([fd69830](https://github.com/stonith404/pocket-id/commit/fd69830c2681985e4fd3c5336a2b75c9fb7bc5d4))
+
+
+### Bug Fixes
+
+* pkce state not correctly reflected in oidc client info ([61d18a9](https://github.com/stonith404/pocket-id/commit/61d18a9d1b167ff59a59523ff00d00ca8f23258d))
+* send test email to the user that has requested it ([a649c4b](https://github.com/stonith404/pocket-id/commit/a649c4b4a543286123f4d1f3c411fe1a7e2c6d71))
+
+## [](https://github.com/stonith404/pocket-id/compare/v0.22.0...v) (2025-01-03)
+
+
+### Features
+
+* add PKCE for non public clients ([adcf3dd](https://github.com/stonith404/pocket-id/commit/adcf3ddc6682794e136a454ef9e69ddd130626a8))
+* use same table component for OIDC client list as all other lists ([2d31fc2](https://github.com/stonith404/pocket-id/commit/2d31fc2cc9201bb93d296faae622f52c6dcdfebc))
+
+## [](https://github.com/stonith404/pocket-id/compare/v0.21.0...v) (2025-01-01)
+
+
+### Features
+
+* add warning if passkeys missing ([2d0bd8d](https://github.com/stonith404/pocket-id/commit/2d0bd8dcbfb73650b7829cb66f40decb284bd73b))
+
+
+### Bug Fixes
+
+* allow first and last name of user to be between 1 and 50 characters ([1ff20ca](https://github.com/stonith404/pocket-id/commit/1ff20caa3ccd651f9fb30f958ffb807dfbbcbd8a))
+* hash in callback url is incorrectly appended ([f6f2736](https://github.com/stonith404/pocket-id/commit/f6f2736bba65eee017f2d8cdaa70621574092869))
+* make user validation consistent between pages ([333a1a1](https://github.com/stonith404/pocket-id/commit/333a1a18d59f675111f4ed106fa5614ef563c6f4))
+* passkey can't be added if `PUBLIC_APP_URL` includes a port ([0729ce9](https://github.com/stonith404/pocket-id/commit/0729ce9e1a8dab9912900a01dcd0fbd892718a1a))
+
+## [](https://github.com/stonith404/pocket-id/compare/v0.20.1...v) (2024-12-17)
+
+
+### Features
+
+* improve error state design for login page ([0716c38](https://github.com/stonith404/pocket-id/commit/0716c38fb8ce7fa719c7fe0df750bdb213786c21))
+
+
+### Bug Fixes
+
+* OIDC client logo gets removed if other properties get updated ([789d939](https://github.com/stonith404/pocket-id/commit/789d9394a533831e7e2fb8dc3f6b338787336ad8))
+
+## [](https://github.com/stonith404/pocket-id/compare/v0.20.0...v) (2024-12-13)
+
+
+### Bug Fixes
+
+* `create-one-time-access-token.sh` script not compatible with postgres ([34e3519](https://github.com/stonith404/pocket-id/commit/34e35193f9f3813f6248e60f15080d753e8da7ae))
+* wrong date time datatype used for read operations with Postgres ([bad901e](https://github.com/stonith404/pocket-id/commit/bad901ea2b661aadd286e5e4bed317e73bd8a70d))
+
+## [](https://github.com/stonith404/pocket-id/compare/v0.19.0...v) (2024-12-12)
+
+
+### Features
+
+* add support for Postgres database provider ([#79](https://github.com/stonith404/pocket-id/issues/79)) ([9d20a98](https://github.com/stonith404/pocket-id/commit/9d20a98dbbc322fa6f0644e8b31e6b97769887ce))
+
+## [](https://github.com/stonith404/pocket-id/compare/v0.18.0...v) (2024-11-29)
+
+
+### Features
+
+* **geolite:** add Tailscale IP detection with CGNAT range check  ([#77](https://github.com/stonith404/pocket-id/issues/77)) ([edce3d3](https://github.com/stonith404/pocket-id/commit/edce3d337129c9c6e8a60df2122745984ba0f3e0))
+
+## [](https://github.com/stonith404/pocket-id/compare/v0.17.0...v) (2024-11-28)
+
+
+### Features
+
+* add option to disable TLS for email sending ([f9fa2c6](https://github.com/stonith404/pocket-id/commit/f9fa2c6706a8bf949fe5efd6664dec8c80e18659))
+* allow empty user and password in SMTP configuration ([a9f4dad](https://github.com/stonith404/pocket-id/commit/a9f4dada321841d3611b15775307228b34e7793f))
+
+
+### Bug Fixes
+
+* email save toast shows two times ([f2bfc73](https://github.com/stonith404/pocket-id/commit/f2bfc731585ad7424eb8c4c41c18368fc0f75ffc))
+
+## [](https://github.com/stonith404/pocket-id/compare/v0.16.0...v) (2024-11-26)
+
+
+### ⚠ BREAKING CHANGES
+
+* add option to specify the Max Mind license key for the Geolite2 db
+
+### Features
+
+* add option to specify the Max Mind license key for the Geolite2 db ([fcf08a4](https://github.com/stonith404/pocket-id/commit/fcf08a4d898160426442bd80830f4431988f4313))
+
+
+### Bug Fixes
+
+* don't try to create a new user if the Docker user is not root ([#71](https://github.com/stonith404/pocket-id/issues/71)) ([0e95e9c](https://github.com/stonith404/pocket-id/commit/0e95e9c56f4c3f84982f508fdb6894ba747952b4))
+
+## [](https://github.com/stonith404/pocket-id/compare/v0.15.0...v) (2024-11-24)
+
+
+### Features
+
+* add health check ([058084e](https://github.com/stonith404/pocket-id/commit/058084ed64816b12108e25bf04af988fc97772ed))
+* improve error message for invalid callback url ([f637a89](https://github.com/stonith404/pocket-id/commit/f637a89f579aefb8dc3c3c16a27ef0bc453dfe40))
+
+## [](https://github.com/stonith404/pocket-id/compare/v0.14.0...v) (2024-11-21)
+
+
+### Features
+
+* add option to skip TLS certificate check and ability to send test email ([653d948](https://github.com/stonith404/pocket-id/commit/653d948f73b61e6d1fd3484398fef1a2a37e6d92))
+* add PKCE support ([3613ac2](https://github.com/stonith404/pocket-id/commit/3613ac261cf65a2db0620ff16dc6df239f6e5ecd))
+
+
+### Bug Fixes
+
+* mobile layout overflow on application configuration page ([e784093](https://github.com/stonith404/pocket-id/commit/e784093342f9977ea08cac65ff0c3de4d2644872))
+
+## [](https://github.com/stonith404/pocket-id/compare/v0.13.1...v) (2024-11-11)
+
+
+### Features
+
+* add audit log event for one time access token sign in ([aca2240](https://github.com/stonith404/pocket-id/commit/aca2240a50a12e849cfb6e1aa56390b000aebae0))
+
+
+### Bug Fixes
+
+* overflow of pagination control on mobile ([de45398](https://github.com/stonith404/pocket-id/commit/de4539890349153c467013c24c4d6b30feb8fed8))
+* time displayed incorrectly in audit log ([3d3fb4d](https://github.com/stonith404/pocket-id/commit/3d3fb4d855ef510f2292e98fcaaaf83debb5d3e0))
+
+## [](https://github.com/stonith404/pocket-id/compare/v0.13.0...v) (2024-11-01)
+
+
+### Features
+
+* add list empty indicator ([becfc00](https://github.com/stonith404/pocket-id/commit/becfc0004a87c01e18eb92ac85bf4e33f105b6a3))
+
+
+### Bug Fixes
+
+* errors in middleware do not abort the request ([376d747](https://github.com/stonith404/pocket-id/commit/376d747616b1e835f252d20832c5ae42b8b0b737))
+* typo in Self-Account Editing description ([5b9f4d7](https://github.com/stonith404/pocket-id/commit/5b9f4d732615f428c13d3317da96a86c5daebd89))
+
+## [](https://github.com/stonith404/pocket-id/compare/v0.12.0...v) (2024-10-31)
+
+
+### Features
+
+* add ability to define expiration of one time link ([2ccabf8](https://github.com/stonith404/pocket-id/commit/2ccabf835c2c923d6986d9cafb4e878f5110b91a))
+
+## [](https://github.com/stonith404/pocket-id/compare/v0.11.0...v) (2024-10-28)
+
+
+### Features
+
+* add option to disable self-account editing ([8304065](https://github.com/stonith404/pocket-id/commit/83040656525cf7b6c8f2acf416c5f8f3288f3d48))
+* add validation to custom claim input ([7bfc3f4](https://github.com/stonith404/pocket-id/commit/7bfc3f43a591287c038187ed5e782de6b9dd738b))
+* custom claims ([#53](https://github.com/stonith404/pocket-id/issues/53)) ([c056089](https://github.com/stonith404/pocket-id/commit/c056089c6043a825aaaaecf0c57454892a108f1d))
+
+## [](https://github.com/stonith404/pocket-id/compare/v0.10.0...v) (2024-10-25)
+
+
+### Features
+
+* add `email_verified` claim ([5565f60](https://github.com/stonith404/pocket-id/commit/5565f60d6d62ca24bedea337e21effc13e5853a5))
+
+
+### Bug Fixes
+
+* powered by link text color in light mode ([18c5103](https://github.com/stonith404/pocket-id/commit/18c5103c20ce79abdc0f724cdedd642c09269e78))
+
+## [](https://github.com/stonith404/pocket-id/compare/v0.9.0...v) (2024-10-23)
+
+
+### Features
+
+* add script for creating one time access token ([a1985ce](https://github.com/stonith404/pocket-id/commit/a1985ce1b200550e91c5cb42a8d19899dcec831e))
+* add version information to footer and update link if new update is available ([70ad0b4](https://github.com/stonith404/pocket-id/commit/70ad0b4f39699fd81ffdfd5c8d6839f49348be78))
+
+
+### Bug Fixes
+
+* cache version information for 3 hours ([29d632c](https://github.com/stonith404/pocket-id/commit/29d632c1514d6edacdfebe6deae4c95fc5a0f621))
+* improve text for initial admin account setup ([0a07344](https://github.com/stonith404/pocket-id/commit/0a0734413943b1fff27d8f4ccf07587e207e2189))
+* increase callback url count ([f3f0e1d](https://github.com/stonith404/pocket-id/commit/f3f0e1d56d7656bdabbd745a4eaf967f63193b6c))
+* no DTO was returned from exchange one time access token endpoint ([824c5cb](https://github.com/stonith404/pocket-id/commit/824c5cb4f3d6be7f940c1758112fbe9322df5768))
+
+## [](https://github.com/stonith404/pocket-id/compare/v0.8.1...v) (2024-10-18)
+
+
+### Features
+
+* add environment variable to change the caddy port in Docker ([ff06bf0](https://github.com/stonith404/pocket-id/commit/ff06bf0b34496ce472ba6d3ebd4ea249f21c0ec3))
+* use improve table for users and audit logs ([11ed661](https://github.com/stonith404/pocket-id/commit/11ed661f86a512f78f66d604a10c1d47d39f2c39))
+
+
+### Bug Fixes
+
+* allow copy to clipboard for client secret ([29748cc](https://github.com/stonith404/pocket-id/commit/29748cc6c7b7e5a6b54bfe837e0b1a98fa1ad594))
+
+## [](https://github.com/stonith404/pocket-id/compare/v0.8.0...v) (2024-10-11)
+
+
+### Bug Fixes
+
+* add key id to JWK ([282ff82](https://github.com/stonith404/pocket-id/commit/282ff82b0c7e2414b3528c8ca325758245b8ae61))
+
+## [](https://github.com/stonith404/pocket-id/compare/v0.7.1...v) (2024-10-04)
+
+
+### Features
+
+* add location based on ip to the audit log ([025378d](https://github.com/stonith404/pocket-id/commit/025378d14edd2d72da76e90799a0ccdd42cf672c))
+
+## [](https://github.com/stonith404/pocket-id/compare/v0.7.0...v) (2024-10-03)
+
+
+### Bug Fixes
+
+* initials don't get displayed if Gravatar avatar doesn't exist ([e095628](https://github.com/stonith404/pocket-id/commit/e09562824a794bc7d240e9d229709d4b389db7d5))
+
+## [](https://github.com/stonith404/pocket-id/compare/v0.6.0...v) (2024-10-03)
+
+
+### ⚠ BREAKING CHANGES
+
+* add ability to set light and dark mode logo
+
+### Features
+
+* add ability to set light and dark mode logo ([be45eed](https://github.com/stonith404/pocket-id/commit/be45eed125e33e9930572660a034d5f12dc310ce))
+
+## [](https://github.com/stonith404/pocket-id/compare/v0.5.3...v) (2024-10-02)
+
+
+### Features
+
+* add copy to clipboard option for OIDC client information ([f82020c](https://github.com/stonith404/pocket-id/commit/f82020ccfb0d4fbaa1dd98182188149d8085252a))
+* add gravatar profile picture integration ([365734e](https://github.com/stonith404/pocket-id/commit/365734ec5d8966c2ab877c60cfb176b9cdc36880))
+* add user groups ([24c948e](https://github.com/stonith404/pocket-id/commit/24c948e6a66f283866f6c8369c16fa6cbcfa626c))
+
+
+### Bug Fixes
+
+* only return user groups if it is explicitly requested ([a4a90a1](https://github.com/stonith404/pocket-id/commit/a4a90a16a9726569a22e42560184319b25fd7ca6))
+
+## [](https://github.com/stonith404/pocket-id/compare/v0.5.2...v) (2024-09-26)
+
+
+### Bug Fixes
+
+* add space to "Firstname" and "Lastname" label ([#31](https://github.com/stonith404/pocket-id/issues/31)) ([d6a9bb4](https://github.com/stonith404/pocket-id/commit/d6a9bb4c09efb8102da172e49c36c070b341f0fc))
+* port environment variables get ignored in caddyfile ([3c67765](https://github.com/stonith404/pocket-id/commit/3c67765992d7369a79812bc8cd216c9ba12fd96e))
+
+## [](https://github.com/stonith404/pocket-id/compare/v0.5.1...v) (2024-09-19)
+
+
+### Bug Fixes
+
+* updated application name doesn't apply to webauthn credential ([924bb14](https://github.com/stonith404/pocket-id/commit/924bb1468bbd8e42fa6a530ef740be73ce3b3914))
+
+## [](https://github.com/stonith404/pocket-id/compare/v0.5.0...v) (2024-09-16)
+
+
+### Features
+
+* **email:** improve email templating ([#27](https://github.com/stonith404/pocket-id/issues/27)) ([64cf562](https://github.com/stonith404/pocket-id/commit/64cf56276a07169bc601a11be905c1eea67c4750))
+
+
+### Bug Fixes
+
+* debounce oidc client and user search ([9c2848d](https://github.com/stonith404/pocket-id/commit/9c2848db1d93c230afc6c5f64e498e9f6df8c8a7))
+
+## [](https://github.com/stonith404/pocket-id/compare/v0.4.1...v) (2024-09-09)
+
+
+### Features
+
+* add audit log with email notification ([#26](https://github.com/stonith404/pocket-id/issues/26)) ([9121239](https://github.com/stonith404/pocket-id/commit/9121239dd7c14a2107a984f9f94f54227489a63a))
+
+## [](https://github.com/stonith404/pocket-id/compare/v0.4.0...v) (2024-09-06)
+
+
+### Features
+
+* add name claim to userinfo endpoint and id token ([4e7574a](https://github.com/stonith404/pocket-id/commit/4e7574a297307395603267c7a3285d538d4111d8))
+
+
+### Bug Fixes
+
+* limit width of content on large screens ([c6f83a5](https://github.com/stonith404/pocket-id/commit/c6f83a581ad385391d77fec7eeb385060742f097))
+* show error message if error occurs while authorizing new client ([8038a11](https://github.com/stonith404/pocket-id/commit/8038a111dd7fa8f5d421b29c3bc0c11d865dc71b))
+
+## [](https://github.com/stonith404/pocket-id/compare/v0.3.1...v) (2024-09-03)
+
+
+### Features
+
+* add setup details to oidc client details ([fd21ce5](https://github.com/stonith404/pocket-id/commit/fd21ce5aac1daeba04e4e7399a0720338ea710c2))
+* add support for more username formats ([903b0b3](https://github.com/stonith404/pocket-id/commit/903b0b39181c208e9411ee61849d2671e7c56dc5))
+
+
+### Bug Fixes
+
+* non pointer passed to create user ([e7861df](https://github.com/stonith404/pocket-id/commit/e7861df95a6beecab359d1c56f4383373f74bb73))
+* oidc client logo not displayed on authorize page ([28ed064](https://github.com/stonith404/pocket-id/commit/28ed064668afeec8f80adda59ba94f1fc2fbce17))
+* typo in hasLogo property of oidc dto ([2b9413c](https://github.com/stonith404/pocket-id/commit/2b9413c7575e1322f8547490a9b02a1836bad549))
+
+## [](https://github.com/stonith404/pocket-id/compare/v0.3.0...v) (2024-08-24)
+
+
+### Bug Fixes
+
+* empty lists don't get returned correctly from the api ([97f7fc4](https://github.com/stonith404/pocket-id/commit/97f7fc4e288c2bb49210072a7a151b58ef44f5b5))
+
+## [](https://github.com/stonith404/pocket-id/compare/v0.2.1...v) (2024-08-23)
+
+
+### Features
+
+* add support for multiple callback urls ([8166e2e](https://github.com/stonith404/pocket-id/commit/8166e2ead7fc71a0b7a45950b05c5c65a60833b6))
+
+
+### Bug Fixes
+
+* db migration for multiple callback urls ([552d7cc](https://github.com/stonith404/pocket-id/commit/552d7ccfa58d7922ecb94bdfe6a86651b4cf2745))
+
+## [](https://github.com/stonith404/pocket-id/compare/v0.2.0...v) (2024-08-19)
+
+
+### Bug Fixes
+
+* session duration can't be updated ([4780548](https://github.com/stonith404/pocket-id/commit/478054884389ed8a08d707fd82da7b31177a67e5))
+
+## [](https://github.com/stonith404/pocket-id/compare/v0.1.3...v) (2024-08-19)
+
+
+### Features
+
+* add `INTERNAL_BACKEND_URL` env variable ([0595d73](https://github.com/stonith404/pocket-id/commit/0595d73ea5afbd7937b8f292ffe624139f818f41))
+* add user info endpoint to support more oidc clients ([fdc1921](https://github.com/stonith404/pocket-id/commit/fdc1921f5dcb5ac6beef8d1c9b1b7c53f514cce5))
+* change default logo ([9eec7a3](https://github.com/stonith404/pocket-id/commit/9eec7a3e9eb7f690099f38a5d4cf7c2516ea9ef9))
+
 ## [](https://github.com/stonith404/pocket-id/compare/v0.1.2...v) (2024-08-13)
 
 

CONTRIBUTING.md

@@ -55,13 +55,13 @@ The frontend is built with [SvelteKit](https://kit.svelte.dev) and written in Ty
 3. Install the dependencies with `npm install`
 4. Start the frontend with `npm run dev`
 
-You're all set!
-
 ### Reverse Proxy
 We use [Caddy](https://caddyserver.com) as a reverse proxy. You can use any other reverse proxy if you want but you have to configure it yourself.
 
 #### Setup
-Run `caddy run --config Caddyfile` in the root folder.
+Run `caddy run --config reverse-proxy/Caddyfile` in the root folder.
+
+You're all set!
 
 ### Testing
 
@@ -69,5 +69,5 @@ We are using [Playwright](https://playwright.dev) for end-to-end testing.
 
 The tests can be run like this:
 1. Start the backend normally
-2. Start the frontend in production mode with `npm run build && node build/index.js`
+2. Start the frontend in production mode with `npm run build && node --env-file=.env build/index.js`
 3. Run the tests with `npm run test`

Caddyfile

@@ -1,10 +0,0 @@
-:80 {
-    reverse_proxy /api/* http://localhost:8080
-    reverse_proxy /.well-known/* http://localhost:8080
-    reverse_proxy /* http://localhost:3000
-
-    log {
-        output file /var/log/caddy/access.log
-        level WARN
-    }
-}

Dockerfile

@@ -1,5 +1,5 @@
 # Stage 1: Build Frontend
-FROM node:20-alpine AS frontend-builder
+FROM node:22-alpine AS frontend-builder
 WORKDIR /app/frontend
 COPY ./frontend/package*.json ./
 RUN npm ci
@@ -8,7 +8,7 @@ RUN npm run build
 RUN npm prune --production
 
 # Stage 2: Build Backend
-FROM golang:1.22-alpine AS backend-builder
+FROM golang:1.23-alpine AS backend-builder
 WORKDIR /app/backend
 COPY ./backend/go.mod ./backend/go.sum ./
 RUN go mod download
@@ -20,9 +20,12 @@ WORKDIR /app/backend/cmd
 RUN CGO_ENABLED=1 GOOS=linux go build -o /app/backend/pocket-id-backend .
 
 # Stage 3: Production Image
-FROM node:20-alpine
+FROM node:22-alpine
-RUN apk add --no-cache caddy
+# Delete default node user
-COPY ./Caddyfile /etc/caddy/Caddyfile
+RUN deluser --remove-home node
+
+RUN apk add --no-cache caddy curl su-exec
+COPY ./reverse-proxy /etc/caddy/
 
 WORKDIR /app
 COPY --from=frontend-builder /app/frontend/build ./frontend/build
@@ -30,13 +33,12 @@ COPY --from=frontend-builder /app/frontend/node_modules ./frontend/node_modules
 COPY --from=frontend-builder /app/frontend/package.json ./frontend/package.json
 
 COPY --from=backend-builder /app/backend/pocket-id-backend ./backend/pocket-id-backend
-COPY --from=backend-builder /app/backend/migrations ./backend/migrations
-COPY --from=backend-builder /app/backend/images ./backend/images
 
 COPY ./scripts ./scripts
+RUN chmod +x ./scripts/*.sh
 
-EXPOSE 3000
+EXPOSE 80
 ENV APP_ENV=production
 
-# Use a shell form to run both the frontend and backend
+ENTRYPOINT ["sh", "./scripts/docker/create-user.sh"]
-CMD ["sh", "./scripts/docker-entrypoint.sh"]
+CMD ["sh", "./scripts/docker/entrypoint.sh"]

README.md

@@ -1,138 +1,20 @@
-# <div align="center"><img  src="https://github.com/user-attachments/assets/5b5e0d42-e2b4-4523-add5-ac87042a72f1" width="100"/> </br>Pocket ID</div>
+# <div align="center"><img  src="https://github.com/user-attachments/assets/4ceb2708-9f29-4694-b797-be833efce17d" width="100"/> </br>Pocket ID</div>
 
 Pocket ID is a simple OIDC provider that allows users to authenticate with their passkeys to your services.
 
-<img src="https://github.com/user-attachments/assets/953c534c-b667-44e5-b976-a59142f1efb8" width="1200"/>
+→ Try out the [Demo](https://demo.pocket-id.org)
 
-The goal of Pocket ID is to be a simple and easy-to-use. There are other self-hosted OIDC providers like [Keycloak](https://www.keycloak.org/) or [ORY Hydra](https://www.ory.sh/hydra/) but they are often too complex for simple use cases. Additionally, Pocket ID only support passkey authentication which is a passwordless authentication method.
+<img src="https://github.com/user-attachments/assets/96ac549d-b897-404a-8811-f42b16ea58e2" width="1200"/>
+
+The goal of Pocket ID is to be a simple and easy-to-use. There are other self-hosted OIDC providers like [Keycloak](https://www.keycloak.org/) or [ORY Hydra](https://www.ory.sh/hydra/) but they are often too complex for simple use cases.
+
+Additionally, what makes Pocket ID special is that it only supports [passkey](https://www.passkeys.io/) authentication, which means you don’t need a password. Some people might not like this idea at first, but I believe passkeys are the future, and once you try them, you’ll love them. For example, you can now use a physical Yubikey to sign in to all your self-hosted services easily and securely.
 
 ## Setup
 
-> [!WARNING]  
+Pocket ID can be set up in multiple ways. The easiest and recommended way is to use Docker.
-> Pocket ID is in its early stages and may contain bugs.
 
-### Installation with Docker (recommended)
+Visit the [documentation](https://docs.pocket-id.org) for the setup guide and more information.
-
-1. Download the `docker-compose.yml` and `.env` file:
-
-   ```bash
-    curl -O https://raw.githubusercontent.com/stonith404/pocket-id/main/docker-compose.yml
-
-    curl -o .env https://raw.githubusercontent.com/stonith404/pocket-id/main/.env.example
-   ```
-
-2. Edit the `.env` file so that it fits your needs. See the [environment variables](#environment-variables) section for more information.
-3. Run `docker compose up -d`
-
-You can now sign in with the admin account on `http://localhost/login/setup`.
-
-### Stand-alone Installation
-
-Required tools:
-
-- [Node.js](https://nodejs.org/en/download/) >= 20
-- [Go](https://golang.org/doc/install) >= 1.22
-- [Git](https://git-scm.com/downloads)
-- [PM2](https://pm2.keymetrics.io/)
-- [Caddy](https://caddyserver.com/docs/install) (optional)
-
-1. Copy the `.env.example` file in the `frontend` and `backend` folder to `.env` and change it so that it fits your needs.
-   
-   ```bash
-   cp frontend/.env.example frontend/.env
-   cp backend/.env.example backend/.env
-   ```
-2. Run the following commands:
-
-    ```bash
-    git clone https://github.com/stonith404/pocket-id
-    cd pocket-id
-
-    # Checkout the latest version
-    git fetch --tags && git checkout $(git describe --tags `git rev-list --tags --max-count=1`)
-
-    # Start the backend
-    cd backend/cmd
-    go build -o ../pocket-id-backend
-    cd ..
-    pm2 start pocket-id-backend --name pocket-id-backend
-
-    # Start the frontend
-    cd ../frontend
-    npm install
-    npm run build
-    pm2 start --name pocket-id-frontend --node-args="--env-file .env" build/index.js
-
-    # Optional: Start Caddy (You can use any other reverse proxy)
-    cd ..
-    pm2 start --name pocket-id-caddy caddy -- run --config Caddyfile
-    ```
-
-You can now sign in with the admin account on `http://localhost/login/setup`.
-
-### Add Pocket ID as an OIDC provider
-
-You can add a new OIDC client on `https://<your-domain>/settings/admin/oidc-clients`
-
-After you have added the client, you can obtain the client ID and client secret.
-
-You may need the following information:
-
-- **Authorization URL**: `https://<your-domain>/authorize`
-- **Token URL**: `https://<your-domain>/api/oidc/token`
-- **Certificate URL**: `https://<your-domain>/.well-known/jwks.json`
-- **OIDC Discovery URL**: `https://<your-domain>/.well-known/openid-configuration`
-- **PKCE**: `false` as this is not supported yet.
-
-### Update
-
-#### Docker
-
-```bash
-docker compose pull
-docker compose up -d
-```
-
-#### Stand-alone
-
-1. Stop the running services:
-   ```bash
-   pm2 delete pocket-id-backend pocket-id-frontend pocket-id-caddy
-   ```
-2. Run the following commands:
-
-   ```bash
-   cd pocket-id
-
-   # Checkout the latest version
-   git fetch --tags && git checkout $(git describe --tags `git rev-list --tags --max-count=1`)
-
-   # Start the backend
-   cd backend/cmd
-   go build -o ../pocket-id-backend
-   cd ..
-   pm2 start pocket-id-backend --name pocket-id-backend
-
-   # Start the frontend
-   cd ../frontend
-   npm install
-   npm run build
-   pm2 start build/index.js --name pocket-id-frontend
-
-   # Optional: Start Caddy (You can use any other reverse proxy)
-   cd ..
-   pm2 start caddy --name pocket-id-caddy -- run --config Caddyfile
-   ```
-
-### Environment variables
-
-| Variable         | Default Value       | Recommended to change | Description                                   |
-| ---------------- | ------------------- | --------------------- | --------------------------------------------- |
-| `PUBLIC_APP_URL` | `http://localhost`  | yes                   | The URL where you will access the app.        |
-| `DB_PATH`        | `data/pocket-id.db` | no                    | The path to the SQLite database.              |
-| `UPLOAD_PATH`    | `data/uploads`      | no                    | The path where the uploaded files are stored. |
-| `PORT`           | `3000`              | no                    | The port on which the frontend should listen. |
-| `BACKEND_PORT`   | `8080`              | no                    | The port on which the backend should listen.  |
 
 ## Contribute
 

backend/.env.example

@@ -1,6 +1,10 @@
 APP_ENV=production
 PUBLIC_APP_URL=http://localhost
-DB_PATH=data/pocket-id.db
+# /!\ If PUBLIC_APP_URL is not a localhost address, it must be HTTPS
+DB_PROVIDER=sqlite
+# MAXMIND_LICENSE_KEY=fixme # needed for IP geolocation in the audit log
+SQLITE_DB_PATH=data/pocket-id.db
+POSTGRES_CONNECTION_STRING=postgresql://postgres:postgres@localhost:5432/pocket-id
 UPLOAD_PATH=data/uploads
 PORT=8080
-HOST=localhost
+HOST=0.0.0.0

backend/.gitignore

@@ -13,4 +13,5 @@
 
 # Dependency directories (remove the comment below to include it)
 # vendor/
-./data
+./data
+.env

backend/cmd/main.go

@@ -1,7 +1,7 @@
 package main
 
 import (
-	"golang-rest-api-template/internal/bootstrap"
+	"github.com/pocket-id/pocket-id/backend/internal/bootstrap"
 )
 
 func main() {

backend/go.mod

@@ -1,63 +1,74 @@
-module golang-rest-api-template
+module github.com/pocket-id/pocket-id/backend
 
-go 1.22
+go 1.23.1
 
 require (
-	github.com/caarlos0/env/v11 v11.2.0
+	github.com/caarlos0/env/v11 v11.3.1
+	github.com/disintegration/imaging v1.6.2
 	github.com/fxamacker/cbor/v2 v2.7.0
-	github.com/gin-contrib/cors v1.7.2
 	github.com/gin-gonic/gin v1.10.0
-	github.com/go-co-op/gocron/v2 v2.11.0
+	github.com/go-co-op/gocron/v2 v2.15.0
-	github.com/go-webauthn/webauthn v0.11.0
+	github.com/go-ldap/ldap/v3 v3.4.10
+	github.com/go-playground/validator/v10 v10.24.0
+	github.com/go-webauthn/webauthn v0.11.2
 	github.com/golang-jwt/jwt/v5 v5.2.1
-	github.com/golang-migrate/migrate/v4 v4.17.1
+	github.com/golang-migrate/migrate/v4 v4.18.2
 	github.com/google/uuid v1.6.0
 	github.com/joho/godotenv v1.5.1
-	golang.org/x/crypto v0.25.0
+	github.com/mileusna/useragent v1.3.5
-	golang.org/x/time v0.6.0
+	github.com/oschwald/maxminddb-golang/v2 v2.0.0-beta.2
-	gorm.io/driver/sqlite v1.5.6
+	golang.org/x/crypto v0.32.0
-	gorm.io/gorm v1.25.11
+	golang.org/x/image v0.24.0
+	golang.org/x/time v0.9.0
+	gorm.io/driver/postgres v1.5.11
+	gorm.io/driver/sqlite v1.5.7
+	gorm.io/gorm v1.25.12
 )
 
 require (
-	github.com/bytedance/sonic v1.12.1 // indirect
+	github.com/Azure/go-ntlmssp v0.0.0-20221128193559-754e69321358 // indirect
-	github.com/bytedance/sonic/loader v0.2.0 // indirect
+	github.com/bytedance/sonic v1.12.8 // indirect
-	github.com/cloudwego/base64x v0.1.4 // indirect
+	github.com/bytedance/sonic/loader v0.2.3 // indirect
-	github.com/cloudwego/iasm v0.2.0 // indirect
+	github.com/cloudwego/base64x v0.1.5 // indirect
-	github.com/gabriel-vasile/mimetype v1.4.5 // indirect
+	github.com/gabriel-vasile/mimetype v1.4.8 // indirect
-	github.com/gin-contrib/sse v0.1.0 // indirect
+	github.com/gin-contrib/sse v1.0.0 // indirect
+	github.com/go-asn1-ber/asn1-ber v1.5.7 // indirect
 	github.com/go-playground/locales v0.14.1 // indirect
 	github.com/go-playground/universal-translator v0.18.1 // indirect
-	github.com/go-playground/validator/v10 v10.22.0 // indirect
+	github.com/go-webauthn/x v0.1.16 // indirect
-	github.com/go-webauthn/x v0.1.12 // indirect
+	github.com/goccy/go-json v0.10.4 // indirect
-	github.com/goccy/go-json v0.10.3 // indirect
+	github.com/google/go-tpm v0.9.3 // indirect
-	github.com/google/go-tpm v0.9.1 // indirect
 	github.com/hashicorp/errwrap v1.1.0 // indirect
 	github.com/hashicorp/go-multierror v1.1.1 // indirect
+	github.com/jackc/pgpassfile v1.0.0 // indirect
+	github.com/jackc/pgservicefile v0.0.0-20240606120523-5a60cdf6a761 // indirect
+	github.com/jackc/pgx/v5 v5.7.2 // indirect
+	github.com/jackc/puddle/v2 v2.2.2 // indirect
 	github.com/jinzhu/inflection v1.0.0 // indirect
 	github.com/jinzhu/now v1.1.5 // indirect
-	github.com/jonboulle/clockwork v0.4.0 // indirect
+	github.com/jonboulle/clockwork v0.5.0 // indirect
 	github.com/json-iterator/go v1.1.12 // indirect
-	github.com/klauspost/cpuid/v2 v2.2.8 // indirect
+	github.com/klauspost/cpuid/v2 v2.2.9 // indirect
 	github.com/kr/pretty v0.3.1 // indirect
 	github.com/leodido/go-urn v1.4.0 // indirect
+	github.com/lib/pq v1.10.9 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
-	github.com/mattn/go-sqlite3 v1.14.22 // indirect
+	github.com/mattn/go-sqlite3 v1.14.24 // indirect
 	github.com/mitchellh/mapstructure v1.5.0 // indirect
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
 	github.com/modern-go/reflect2 v1.0.2 // indirect
-	github.com/pelletier/go-toml/v2 v2.2.2 // indirect
+	github.com/pelletier/go-toml/v2 v2.2.3 // indirect
 	github.com/robfig/cron/v3 v3.0.1 // indirect
-	github.com/rogpeppe/go-internal v1.11.0 // indirect
 	github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
 	github.com/ugorji/go/codec v1.2.12 // indirect
 	github.com/x448/float16 v0.8.4 // indirect
 	go.uber.org/atomic v1.11.0 // indirect
-	golang.org/x/arch v0.9.0 // indirect
+	golang.org/x/arch v0.13.0 // indirect
-	golang.org/x/exp v0.0.0-20240719175910-8a7402abbf56 // indirect
+	golang.org/x/exp v0.0.0-20250106191152-7588d65b2ba8 // indirect
-	golang.org/x/net v0.27.0 // indirect
+	golang.org/x/net v0.34.0 // indirect
-	golang.org/x/sys v0.23.0 // indirect
+	golang.org/x/sync v0.11.0 // indirect
-	golang.org/x/text v0.16.0 // indirect
+	golang.org/x/sys v0.29.0 // indirect
-	google.golang.org/protobuf v1.34.2 // indirect
+	golang.org/x/text v0.22.0 // indirect
+	google.golang.org/protobuf v1.36.4 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )

backend/go.sum

@@ -1,73 +1,127 @@
-github.com/bytedance/sonic v1.12.1 h1:jWl5Qz1fy7X1ioY74WqO0KjAMtAGQs4sYnjiEBiyX24=
+github.com/Azure/go-ansiterm v0.0.0-20230124172434-306776ec8161 h1:L/gRVlceqvL25UVaW/CKtUDjefjrs0SPonmDGUVOYP0=
-github.com/bytedance/sonic v1.12.1/go.mod h1:B8Gt/XvtZ3Fqj+iSKMypzymZxw/FVwgIGKzMzT9r/rk=
+github.com/Azure/go-ansiterm v0.0.0-20230124172434-306776ec8161/go.mod h1:xomTg63KZ2rFqZQzSB4Vz2SUXa1BpHTVz9L5PTmPC4E=
+github.com/Azure/go-ntlmssp v0.0.0-20221128193559-754e69321358 h1:mFRzDkZVAjdal+s7s0MwaRv9igoPqLRdzOLzw/8Xvq8=
+github.com/Azure/go-ntlmssp v0.0.0-20221128193559-754e69321358/go.mod h1:chxPXzSsl7ZWRAuOIE23GDNzjWuZquvFlgA8xmpunjU=
+github.com/Microsoft/go-winio v0.6.2 h1:F2VQgta7ecxGYO8k3ZZz3RS8fVIXVxONVUPlNERoyfY=
+github.com/Microsoft/go-winio v0.6.2/go.mod h1:yd8OoFMLzJbo9gZq8j5qaps8bJ9aShtEA8Ipt1oGCvU=
+github.com/alexbrainman/sspi v0.0.0-20231016080023-1a75b4708caa h1:LHTHcTQiSGT7VVbI0o4wBRNQIgn917usHWOd6VAffYI=
+github.com/alexbrainman/sspi v0.0.0-20231016080023-1a75b4708caa/go.mod h1:cEWa1LVoE5KvSD9ONXsZrj0z6KqySlCCNKHlLzbqAt4=
+github.com/bytedance/sonic v1.12.8 h1:4xYRVRlXIgvSZ4e8iVTlMF5szgpXd4AfvuWgA8I8lgs=
+github.com/bytedance/sonic v1.12.8/go.mod h1:uVvFidNmlt9+wa31S1urfwwthTWteBgG0hWuoKAXTx8=
 github.com/bytedance/sonic/loader v0.1.1/go.mod h1:ncP89zfokxS5LZrJxl5z0UJcsk4M4yY2JpfqGeCtNLU=
-github.com/bytedance/sonic/loader v0.2.0 h1:zNprn+lsIP06C/IqCHs3gPQIvnvpKbbxyXQP1iU4kWM=
+github.com/bytedance/sonic/loader v0.2.3 h1:yctD0Q3v2NOGfSWPLPvG2ggA2kV6TS6s4wioyEqssH0=
-github.com/bytedance/sonic/loader v0.2.0/go.mod h1:ncP89zfokxS5LZrJxl5z0UJcsk4M4yY2JpfqGeCtNLU=
+github.com/bytedance/sonic/loader v0.2.3/go.mod h1:N8A3vUdtUebEY2/VQC0MyhYeKUFosQU6FxH2JmUe6VI=
-github.com/caarlos0/env/v11 v11.2.0 h1:kvB1ZmwdWgI3JsuuVUE7z4cY/6Ujr03D0w2WkOOH4Xs=
+github.com/caarlos0/env/v11 v11.3.1 h1:cArPWC15hWmEt+gWk7YBi7lEXTXCvpaSdCiZE2X5mCA=
-github.com/caarlos0/env/v11 v11.2.0/go.mod h1:LwgkYk1kDvfGpHthrWWLof3Ny7PezzFwS4QrsJdHTMo=
+github.com/caarlos0/env/v11 v11.3.1/go.mod h1:qupehSf/Y0TUTsxKywqRt/vJjN5nz6vauiYEUUr8P4U=
-github.com/cloudwego/base64x v0.1.4 h1:jwCgWpFanWmN8xoIUHa2rtzmkd5J2plF/dnLS6Xd/0Y=
+github.com/cloudwego/base64x v0.1.5 h1:XPciSp1xaq2VCSt6lF0phncD4koWyULpl5bUxbfCyP4=
-github.com/cloudwego/base64x v0.1.4/go.mod h1:0zlkT4Wn5C6NdauXdJRhSKRlJvmclQ1hhJgA0rcu/8w=
+github.com/cloudwego/base64x v0.1.5/go.mod h1:0zlkT4Wn5C6NdauXdJRhSKRlJvmclQ1hhJgA0rcu/8w=
-github.com/cloudwego/iasm v0.2.0 h1:1KNIy1I1H9hNNFEEH3DVnI4UujN+1zjpuk6gwHLTssg=
 github.com/cloudwego/iasm v0.2.0/go.mod h1:8rXZaNYT2n95jn+zTI1sDr+IgcD2GVs0nlbbQPiEFhY=
 github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/dhui/dktest v0.4.4 h1:+I4s6JRE1yGuqflzwqG+aIaMdgXIorCf5P98JnaAWa8=
+github.com/dhui/dktest v0.4.4/go.mod h1:4+22R4lgsdAXrDyaH4Nqx2JEz2hLp49MqQmm9HLCQhM=
+github.com/disintegration/imaging v1.6.2 h1:w1LecBlG2Lnp8B3jk5zSuNqd7b4DXhcjwek1ei82L+c=
+github.com/disintegration/imaging v1.6.2/go.mod h1:44/5580QXChDfwIclfc/PCwrr44amcmDAg8hxG0Ewe4=
+github.com/distribution/reference v0.6.0 h1:0IXCQ5g4/QMHHkarYzh5l+u8T3t73zM5QvfrDyIgxBk=
+github.com/distribution/reference v0.6.0/go.mod h1:BbU0aIcezP1/5jX/8MP0YiH4SdvB5Y4f/wlDRiLyi3E=
+github.com/docker/docker v27.2.0+incompatible h1:Rk9nIVdfH3+Vz4cyI/uhbINhEZ/oLmc+CBXmH6fbNk4=
+github.com/docker/docker v27.2.0+incompatible/go.mod h1:eEKB0N0r5NX/I1kEveEz05bcu8tLC/8azJZsviup8Sk=
+github.com/docker/go-connections v0.5.0 h1:USnMq7hx7gwdVZq1L49hLXaFtUdTADjXGp+uj1Br63c=
+github.com/docker/go-connections v0.5.0/go.mod h1:ov60Kzw0kKElRwhNs9UlUHAE/F9Fe6GLaXnqyDdmEXc=
+github.com/docker/go-units v0.5.0 h1:69rxXcBk27SvSaaxTtLh/8llcHD8vYHT7WSdRZ/jvr4=
+github.com/docker/go-units v0.5.0/go.mod h1:fgPhTUdO+D/Jk86RDLlptpiXQzgHJF7gydDDbaIK4Dk=
+github.com/felixge/httpsnoop v1.0.4 h1:NFTV2Zj1bL4mc9sqWACXbQFVBBg2W3GPvqp8/ESS2Wg=
+github.com/felixge/httpsnoop v1.0.4/go.mod h1:m8KPJKqk1gH5J9DgRY2ASl2lWCfGKXixSwevea8zH2U=
 github.com/fxamacker/cbor/v2 v2.7.0 h1:iM5WgngdRBanHcxugY4JySA0nk1wZorNOpTgCMedv5E=
 github.com/fxamacker/cbor/v2 v2.7.0/go.mod h1:pxXPTn3joSm21Gbwsv0w9OSA2y1HFR9qXEeXQVeNoDQ=
-github.com/gabriel-vasile/mimetype v1.4.5 h1:J7wGKdGu33ocBOhGy0z653k/lFKLFDPJMG8Gql0kxn4=
+github.com/gabriel-vasile/mimetype v1.4.8 h1:FfZ3gj38NjllZIeJAmMhr+qKL8Wu+nOoI3GqacKw1NM=
-github.com/gabriel-vasile/mimetype v1.4.5/go.mod h1:ibHel+/kbxn9x2407k1izTA1S81ku1z/DlgOW2QE0M4=
+github.com/gabriel-vasile/mimetype v1.4.8/go.mod h1:ByKUIKGjh1ODkGM1asKUbQZOLGrPjydw3hYPU2YU9t8=
-github.com/gin-contrib/cors v1.7.2 h1:oLDHxdg8W/XDoN/8zamqk/Drgt4oVZDvaV0YmvVICQw=
+github.com/gin-contrib/sse v1.0.0 h1:y3bT1mUWUxDpW4JLQg/HnTqV4rozuW4tC9eFKTxYI9E=
-github.com/gin-contrib/cors v1.7.2/go.mod h1:SUJVARKgQ40dmrzgXEVxj2m7Ig1v1qIboQkPDTQ9t2E=
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-github.com/gin-contrib/sse v0.1.0 h1:Y/yl/+YNO8GZSjAhjMsSuLt29uWRFHdHYUb5lYOV9qE=
-github.com/gin-contrib/sse v0.1.0/go.mod h1:RHrZQHXnP2xjPF+u1gW/2HnVO7nvIa9PG3Gm+fLHvGI=
 github.com/gin-gonic/gin v1.10.0 h1:nTuyha1TYqgedzytsKYqna+DfLos46nTv2ygFy86HFU=
 github.com/gin-gonic/gin v1.10.0/go.mod h1:4PMNQiOhvDRa013RKVbsiNwoyezlm2rm0uX/T7kzp5Y=
-github.com/go-co-op/gocron/v2 v2.11.0 h1:IOowNA6SzwdRFnD4/Ol3Kj6G2xKfsoiiGq2Jhhm9bvE=
+github.com/go-asn1-ber/asn1-ber v1.5.7 h1:DTX+lbVTWaTw1hQ+PbZPlnDZPEIs0SS/GCZAl535dDk=
-github.com/go-co-op/gocron/v2 v2.11.0/go.mod h1:xY7bJxGazKam1cz04EebrlP4S9q4iWdiAylMGP3jY9w=
+github.com/go-asn1-ber/asn1-ber v1.5.7/go.mod h1:hEBeB/ic+5LoWskz+yKT7vGhhPYkProFKoKdwZRWMe0=
+github.com/go-co-op/gocron/v2 v2.15.0 h1:Kpvo71VSihE+RImmpA+3ta5CcMhoRzMGw4dJawrj4zo=
+github.com/go-co-op/gocron/v2 v2.15.0/go.mod h1:ZF70ZwEqz0OO4RBXE1sNxnANy/zvwLcattWEFsqpKig=
+github.com/go-ldap/ldap/v3 v3.4.10 h1:ot/iwPOhfpNVgB1o+AVXljizWZ9JTp7YF5oeyONmcJU=
+github.com/go-ldap/ldap/v3 v3.4.10/go.mod h1:JXh4Uxgi40P6E9rdsYqpUtbW46D9UTjJ9QSwGRznplY=
+github.com/go-logr/logr v1.4.2 h1:6pFjapn8bFcIbiKo3XT4j/BhANplGihG6tvd+8rYgrY=
+github.com/go-logr/logr v1.4.2/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY=
+github.com/go-logr/stdr v1.2.2 h1:hSWxHoqTgW2S2qGc0LTAI563KZ5YKYRhT3MFKZMbjag=
+github.com/go-logr/stdr v1.2.2/go.mod h1:mMo/vtBO5dYbehREoey6XUKy/eSumjCCveDpRre4VKE=
 github.com/go-playground/assert/v2 v2.2.0 h1:JvknZsQTYeFEAhQwI4qEt9cyV5ONwRHC+lYKSsYSR8s=
 github.com/go-playground/assert/v2 v2.2.0/go.mod h1:VDjEfimB/XKnb+ZQfWdccd7VUvScMdVu0Titje2rxJ4=
 github.com/go-playground/locales v0.14.1 h1:EWaQ/wswjilfKLTECiXz7Rh+3BjFhfDFKv/oXslEjJA=
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 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-gorm.io/driver/sqlite v1.5.6 h1:fO/X46qn5NUEEOZtnjJRWRzZMe8nqJiQ9E+0hi+hKQE=
+gorm.io/driver/postgres v1.5.11 h1:ubBVAfbKEUld/twyKZ0IYn9rSQh448EdelLYk9Mv314=
-gorm.io/driver/sqlite v1.5.6/go.mod h1:U+J8craQU6Fzkcvu8oLeAQmi50TkwPEhHDEjQZXDah4=
+gorm.io/driver/postgres v1.5.11/go.mod h1:DX3GReXH+3FPWGrrgffdvCk3DQ1dwDPdmbenSkweRGI=
-gorm.io/gorm v1.25.11 h1:/Wfyg1B/je1hnDx3sMkX+gAlxrlZpn6X0BXRlwXlvHg=
+gorm.io/driver/sqlite v1.5.7 h1:8NvsrhP0ifM7LX9G4zPB97NwovUakUxc+2V2uuf3Z1I=
-gorm.io/gorm v1.25.11/go.mod h1:xh7N7RHfYlNc5EmcI/El95gXusucDrQnHXe0+CgWcLQ=
+gorm.io/driver/sqlite v1.5.7/go.mod h1:U+J8craQU6Fzkcvu8oLeAQmi50TkwPEhHDEjQZXDah4=
+gorm.io/gorm v1.25.12 h1:I0u8i2hWQItBq1WfE0o2+WuL9+8L21K9e2HHSTE/0f8=
+gorm.io/gorm v1.25.12/go.mod h1:xh7N7RHfYlNc5EmcI/El95gXusucDrQnHXe0+CgWcLQ=
 nullprogram.com/x/optparse v1.0.0/go.mod h1:KdyPE+Igbe0jQUrVfMqDMeJQIJZEuyV7pjYmp6pbG50=

backend/images/logo.svg

@@ -1,17 +0,0 @@
-<svg id="a"
-    xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1015 1015">
-    <path id="a" d="M838.28,380.27c-13.38-135.36-124.37-245.08-263.77-257.28h-299.08c-26.25,0-47.57,21.21-47.7,47.46-1.2,233.2-2.39,466.4-3.59,699.61-.14,26.44,21.26,47.95,47.7,47.95h102.86c24.66,0,45.25-18.79,47.5-43.35,11.45-124.75,22.89-249.51,34.34-374.26-43.84-29.69-66.46-88.34-40.37-148.47,10.44-24.06,29.57-43.41,53.58-53.98,86.02-37.84,169.22,24.14,169.22,105.56,0,40.38-20.47,75.98-51.6,96.99,6.71,56.71,13.42,113.43,20.14,170.14,1.2,10.14,11.21,16.74,21.03,13.93,134.16-38.42,223.25-167.79,209.75-304.31Z"/>
-    <style>
-     @media (prefers-color-scheme: dark) {
-            #a path {
-                fill: #ffffff;
-            }
-        }
-
-        @media (prefers-color-scheme: light) {
-            #a path {
-                fill: #000000;
-            }
-        }
-    </style>
-</svg>

backend/internal/bootstrap/application_images_bootstrap.go

@@ -0,0 +1,60 @@
+package bootstrap
+
+import (
+	"log"
+	"os"
+	"path"
+	"strings"
+
+	"github.com/pocket-id/pocket-id/backend/internal/common"
+	"github.com/pocket-id/pocket-id/backend/internal/utils"
+	"github.com/pocket-id/pocket-id/backend/resources"
+)
+
+// initApplicationImages copies the images from the images directory to the application-images directory
+func initApplicationImages() {
+	dirPath := common.EnvConfig.UploadPath + "/application-images"
+
+	sourceFiles, err := resources.FS.ReadDir("images")
+	if err != nil && !os.IsNotExist(err) {
+		log.Fatalf("Error reading directory: %v", err)
+	}
+
+	destinationFiles, err := os.ReadDir(dirPath)
+	if err != nil && !os.IsNotExist(err) {
+		log.Fatalf("Error reading directory: %v", err)
+	}
+
+	// Copy images from the images directory to the application-images directory if they don't already exist
+	for _, sourceFile := range sourceFiles {
+		if sourceFile.IsDir() || imageAlreadyExists(sourceFile.Name(), destinationFiles) {
+			continue
+		}
+		srcFilePath := path.Join("images", sourceFile.Name())
+		destFilePath := path.Join(dirPath, sourceFile.Name())
+
+		err := utils.CopyEmbeddedFileToDisk(srcFilePath, destFilePath)
+		if err != nil {
+			log.Fatalf("Error copying file: %v", err)
+		}
+	}
+
+}
+
+func imageAlreadyExists(fileName string, destinationFiles []os.DirEntry) bool {
+	for _, destinationFile := range destinationFiles {
+		sourceFileWithoutExtension := getImageNameWithoutExtension(fileName)
+		destinationFileWithoutExtension := getImageNameWithoutExtension(destinationFile.Name())
+
+		if sourceFileWithoutExtension == destinationFileWithoutExtension {
+			return true
+		}
+	}
+
+	return false
+}
+
+func getImageNameWithoutExtension(fileName string) string {
+	splitted := strings.Split(fileName, ".")
+	return strings.Join(splitted[:len(splitted)-1], ".")
+}

backend/internal/bootstrap/bootstrap.go

@@ -1,78 +1,15 @@
 package bootstrap
 
 import (
-	"github.com/gin-gonic/gin"
 	_ "github.com/golang-migrate/migrate/v4/source/file"
-	"golang-rest-api-template/internal/common"
+	"github.com/pocket-id/pocket-id/backend/internal/service"
-	"golang-rest-api-template/internal/common/middleware"
-	"golang-rest-api-template/internal/handler"
-	"golang-rest-api-template/internal/job"
-	"golang-rest-api-template/internal/utils"
-	"golang.org/x/time/rate"
-	"log"
-	"os"
-	"time"
 )
 
 func Bootstrap() {
-	common.InitDatabase()
-	common.InitDbConfig()
 	initApplicationImages()
-	job.RegisterJobs()
+
-	initRouter()
+	db := newDatabase()
-}
+	appConfigService := service.NewAppConfigService(db)
-
+
-func initRouter() {
+	initRouter(db, appConfigService)
-	switch common.EnvConfig.AppEnv {
-	case "production":
-		gin.SetMode(gin.ReleaseMode)
-	case "development":
-		gin.SetMode(gin.DebugMode)
-	case "test":
-		gin.SetMode(gin.TestMode)
-	}
-
-	r := gin.Default()
-
-	r.Use(gin.Logger())
-
-	r.Use(middleware.Cors())
-	r.Use(middleware.RateLimiter(rate.Every(time.Second), 60))
-
-	apiGroup := r.Group("/api")
-	handler.RegisterRoutes(apiGroup)
-	handler.RegisterOIDCRoutes(apiGroup)
-	handler.RegisterUserRoutes(apiGroup)
-	handler.RegisterConfigurationRoutes(apiGroup)
-	if common.EnvConfig.AppEnv != "production" {
-		handler.RegisterTestRoutes(apiGroup)
-	}
-
-	baseGroup := r.Group("/")
-	handler.RegisterWellKnownRoutes(baseGroup)
-
-	if err := r.Run(common.EnvConfig.Host + ":" + common.EnvConfig.Port); err != nil {
-		log.Fatal(err)
-	}
-
-}
-
-func initApplicationImages() {
-	dirPath := common.EnvConfig.UploadPath + "/application-images"
-
-	files, err := os.ReadDir(dirPath)
-	if err != nil && !os.IsNotExist(err) {
-		log.Fatalf("Error reading directory: %v", err)
-	}
-
-	// Skip if files already exist
-	if len(files) > 1 {
-		return
-	}
-
-	// Copy files from source to destination
-	err = utils.CopyDirectory("./images", dirPath)
-	if err != nil {
-		log.Fatalf("Error copying directory: %v", err)
-	}
 }

backend/internal/bootstrap/db_bootstrap.go

@@ -0,0 +1,124 @@
+package bootstrap
+
+import (
+	"errors"
+	"fmt"
+	"log"
+	"os"
+	"time"
+
+	"github.com/golang-migrate/migrate/v4"
+	"github.com/golang-migrate/migrate/v4/database"
+	postgresMigrate "github.com/golang-migrate/migrate/v4/database/postgres"
+	sqliteMigrate "github.com/golang-migrate/migrate/v4/database/sqlite3"
+	"github.com/golang-migrate/migrate/v4/source/iofs"
+	"github.com/pocket-id/pocket-id/backend/internal/common"
+	"github.com/pocket-id/pocket-id/backend/resources"
+	"gorm.io/driver/postgres"
+	"gorm.io/driver/sqlite"
+	"gorm.io/gorm"
+	"gorm.io/gorm/logger"
+)
+
+func newDatabase() (db *gorm.DB) {
+	db, err := connectDatabase()
+	if err != nil {
+		log.Fatalf("failed to connect to database: %v", err)
+	}
+	sqlDb, err := db.DB()
+	if err != nil {
+		log.Fatalf("failed to get sql.DB: %v", err)
+	}
+
+	// Choose the correct driver for the database provider
+	var driver database.Driver
+	switch common.EnvConfig.DbProvider {
+	case common.DbProviderSqlite:
+		driver, err = sqliteMigrate.WithInstance(sqlDb, &sqliteMigrate.Config{})
+	case common.DbProviderPostgres:
+		driver, err = postgresMigrate.WithInstance(sqlDb, &postgresMigrate.Config{})
+	default:
+		log.Fatalf("unsupported database provider: %s", common.EnvConfig.DbProvider)
+	}
+	if err != nil {
+		log.Fatalf("failed to create migration driver: %v", err)
+	}
+
+	// Run migrations
+	if err := migrateDatabase(driver); err != nil {
+		log.Fatalf("failed to run migrations: %v", err)
+	}
+
+	return db
+}
+
+func migrateDatabase(driver database.Driver) error {
+	// Use the embedded migrations
+	source, err := iofs.New(resources.FS, "migrations/"+string(common.EnvConfig.DbProvider))
+	if err != nil {
+		return fmt.Errorf("failed to create embedded migration source: %v", err)
+	}
+
+	m, err := migrate.NewWithInstance("iofs", source, "pocket-id", driver)
+	if err != nil {
+		return fmt.Errorf("failed to create migration instance: %v", err)
+	}
+
+	err = m.Up()
+	if err != nil && !errors.Is(err, migrate.ErrNoChange) {
+		return fmt.Errorf("failed to apply migrations: %v", err)
+	}
+
+	return nil
+}
+
+func connectDatabase() (db *gorm.DB, err error) {
+	var dialector gorm.Dialector
+
+	// Choose the correct database provider
+	switch common.EnvConfig.DbProvider {
+	case common.DbProviderSqlite:
+		dialector = sqlite.Open(common.EnvConfig.SqliteDBPath)
+	case common.DbProviderPostgres:
+		dialector = postgres.Open(common.EnvConfig.PostgresConnectionString)
+	default:
+		return nil, fmt.Errorf("unsupported database provider: %s", common.EnvConfig.DbProvider)
+	}
+
+	for i := 1; i <= 3; i++ {
+		db, err = gorm.Open(dialector, &gorm.Config{
+			TranslateError: true,
+			Logger:         getLogger(),
+		})
+		if err == nil {
+			break
+		} else {
+			log.Printf("Attempt %d: Failed to initialize database. Retrying...", i)
+			time.Sleep(3 * time.Second)
+		}
+	}
+
+	return db, err
+}
+
+func getLogger() logger.Interface {
+	isProduction := common.EnvConfig.AppEnv == "production"
+
+	var logLevel logger.LogLevel
+	if isProduction {
+		logLevel = logger.Error
+	} else {
+		logLevel = logger.Info
+	}
+
+	return logger.New(
+		log.New(os.Stdout, "\r\n", log.LstdFlags),
+		logger.Config{
+			SlowThreshold:             200 * time.Millisecond,
+			LogLevel:                  logLevel,
+			IgnoreRecordNotFoundError: isProduction,
+			ParameterizedQueries:      isProduction,
+			Colorful:                  !isProduction,
+		},
+	)
+}

backend/internal/bootstrap/router_bootstrap.go

@@ -0,0 +1,86 @@
+package bootstrap
+
+import (
+	"log"
+	"time"
+
+	"github.com/gin-gonic/gin"
+	"github.com/pocket-id/pocket-id/backend/internal/common"
+	"github.com/pocket-id/pocket-id/backend/internal/controller"
+	"github.com/pocket-id/pocket-id/backend/internal/job"
+	"github.com/pocket-id/pocket-id/backend/internal/middleware"
+	"github.com/pocket-id/pocket-id/backend/internal/service"
+	"golang.org/x/time/rate"
+	"gorm.io/gorm"
+)
+
+func initRouter(db *gorm.DB, appConfigService *service.AppConfigService) {
+	// Set the appropriate Gin mode based on the environment
+	switch common.EnvConfig.AppEnv {
+	case "production":
+		gin.SetMode(gin.ReleaseMode)
+	case "development":
+		gin.SetMode(gin.DebugMode)
+	case "test":
+		gin.SetMode(gin.TestMode)
+	}
+
+	r := gin.Default()
+	r.Use(gin.Logger())
+
+	// Initialize services
+	emailService, err := service.NewEmailService(appConfigService, db)
+	if err != nil {
+		log.Fatalf("Unable to create email service: %s", err)
+	}
+
+	geoLiteService := service.NewGeoLiteService()
+	auditLogService := service.NewAuditLogService(db, appConfigService, emailService, geoLiteService)
+	jwtService := service.NewJwtService(appConfigService)
+	webauthnService := service.NewWebAuthnService(db, jwtService, auditLogService, appConfigService)
+	userService := service.NewUserService(db, jwtService, auditLogService, emailService, appConfigService)
+	customClaimService := service.NewCustomClaimService(db)
+	oidcService := service.NewOidcService(db, jwtService, appConfigService, auditLogService, customClaimService)
+	testService := service.NewTestService(db, appConfigService, jwtService)
+	userGroupService := service.NewUserGroupService(db, appConfigService)
+	ldapService := service.NewLdapService(db, appConfigService, userService, userGroupService)
+
+	rateLimitMiddleware := middleware.NewRateLimitMiddleware()
+
+	// Setup global middleware
+	r.Use(middleware.NewCorsMiddleware().Add())
+	r.Use(middleware.NewErrorHandlerMiddleware().Add())
+	r.Use(rateLimitMiddleware.Add(rate.Every(time.Second), 60))
+	r.Use(middleware.NewJwtAuthMiddleware(jwtService, true).Add(false))
+
+	job.RegisterLdapJobs(ldapService, appConfigService)
+	job.RegisterDbCleanupJobs(db)
+
+	// Initialize middleware for specific routes
+	jwtAuthMiddleware := middleware.NewJwtAuthMiddleware(jwtService, false)
+	fileSizeLimitMiddleware := middleware.NewFileSizeLimitMiddleware()
+
+	// Set up API routes
+	apiGroup := r.Group("/api")
+	controller.NewWebauthnController(apiGroup, jwtAuthMiddleware, middleware.NewRateLimitMiddleware(), webauthnService, appConfigService)
+	controller.NewOidcController(apiGroup, jwtAuthMiddleware, fileSizeLimitMiddleware, oidcService, jwtService)
+	controller.NewUserController(apiGroup, jwtAuthMiddleware, middleware.NewRateLimitMiddleware(), userService, appConfigService)
+	controller.NewAppConfigController(apiGroup, jwtAuthMiddleware, appConfigService, emailService, ldapService)
+	controller.NewAuditLogController(apiGroup, auditLogService, jwtAuthMiddleware)
+	controller.NewUserGroupController(apiGroup, jwtAuthMiddleware, userGroupService)
+	controller.NewCustomClaimController(apiGroup, jwtAuthMiddleware, customClaimService)
+
+	// Add test controller in non-production environments
+	if common.EnvConfig.AppEnv != "production" {
+		controller.NewTestController(apiGroup, testService)
+	}
+
+	// Set up base routes
+	baseGroup := r.Group("/")
+	controller.NewWellKnownController(baseGroup, jwtService)
+
+	// Run the server
+	if err := r.Run(common.EnvConfig.Host + ":" + common.EnvConfig.Port); err != nil {
+		log.Fatal(err)
+	}
+}

backend/internal/common/config.go

@@ -1,138 +0,0 @@
-package common
-
-import (
-	"github.com/caarlos0/env/v11"
-	_ "github.com/joho/godotenv/autoload"
-	"golang-rest-api-template/internal/model"
-	"log"
-	"reflect"
-)
-
-type EnvConfigSchema struct {
-	AppEnv     string `env:"APP_ENV"`
-	AppURL     string `env:"PUBLIC_APP_URL"`
-	DBPath     string `env:"DB_PATH"`
-	UploadPath string `env:"UPLOAD_PATH"`
-	Port       string `env:"BACKEND_PORT"`
-	Host       string `env:"HOST"`
-}
-
-var EnvConfig = &EnvConfigSchema{
-	AppEnv:     "production",
-	DBPath:     "data/pocket-id.db",
-	UploadPath: "data/uploads",
-	AppURL:     "http://localhost",
-	Port:       "8080",
-	Host:       "localhost",
-}
-
-var DbConfig = NewDefaultDbConfig()
-
-func NewDefaultDbConfig() model.ApplicationConfiguration {
-	return model.ApplicationConfiguration{
-		AppName: model.ApplicationConfigurationVariable{
-			Key:      "appName",
-			Type:     "string",
-			IsPublic: true,
-			Value:    "Pocket ID",
-		},
-		SessionDuration: model.ApplicationConfigurationVariable{
-			Key:   "sessionDuration",
-			Type:  "number",
-			Value: "60",
-		},
-		BackgroundImageType: model.ApplicationConfigurationVariable{
-			Key:        "backgroundImageType",
-			Type:       "string",
-			IsInternal: true,
-			Value:      "jpg",
-		},
-		LogoImageType: model.ApplicationConfigurationVariable{
-			Key:        "logoImageType",
-			Type:       "string",
-			IsInternal: true,
-			Value:      "svg",
-		},
-	}
-}
-
-// LoadDbConfigFromDb refreshes the database configuration by loading the current values
-// from the database and updating the DbConfig struct.
-func LoadDbConfigFromDb() error {
-	dbConfigReflectValue := reflect.ValueOf(&DbConfig).Elem()
-
-	for i := 0; i < dbConfigReflectValue.NumField(); i++ {
-		dbConfigField := dbConfigReflectValue.Field(i)
-		currentConfigVar := dbConfigField.Interface().(model.ApplicationConfigurationVariable)
-		var storedConfigVar model.ApplicationConfigurationVariable
-		if err := DB.First(&storedConfigVar, "key = ?", currentConfigVar.Key).Error; err != nil {
-			return err
-		}
-
-		dbConfigField.Set(reflect.ValueOf(storedConfigVar))
-	}
-
-	return nil
-}
-
-// InitDbConfig creates the default configuration values in the database if they do not exist,
-// updates existing configurations if they differ from the default, and deletes any configurations
-// that are not in the default configuration.
-func InitDbConfig() {
-	// Reflect to get the underlying value of DbConfig and its default configuration
-	dbConfigReflectValue := reflect.ValueOf(&DbConfig).Elem()
-	defaultDbConfig := NewDefaultDbConfig()
-	defaultConfigReflectValue := reflect.ValueOf(&defaultDbConfig).Elem()
-	defaultKeys := make(map[string]struct{})
-
-	// Iterate over the fields of DbConfig
-	for i := 0; i < dbConfigReflectValue.NumField(); i++ {
-		dbConfigField := dbConfigReflectValue.Field(i)
-		currentConfigVar := dbConfigField.Interface().(model.ApplicationConfigurationVariable)
-		defaultConfigVar := defaultConfigReflectValue.Field(i).Interface().(model.ApplicationConfigurationVariable)
-		defaultKeys[currentConfigVar.Key] = struct{}{}
-
-		var storedConfigVar model.ApplicationConfigurationVariable
-		if err := DB.First(&storedConfigVar, "key = ?", currentConfigVar.Key).Error; err != nil {
-			// If the configuration does not exist, create it
-			if err := DB.Create(&defaultConfigVar).Error; err != nil {
-				log.Fatalf("Failed to create default configuration: %v", err)
-			}
-			dbConfigField.Set(reflect.ValueOf(defaultConfigVar))
-			continue
-		}
-
-		// Update existing configuration if it differs from the default
-		if storedConfigVar.Type != defaultConfigVar.Type || storedConfigVar.IsPublic != defaultConfigVar.IsPublic || storedConfigVar.IsInternal != defaultConfigVar.IsInternal {
-			storedConfigVar.Type = defaultConfigVar.Type
-			storedConfigVar.IsPublic = defaultConfigVar.IsPublic
-			storedConfigVar.IsInternal = defaultConfigVar.IsInternal
-			if err := DB.Save(&storedConfigVar).Error; err != nil {
-				log.Fatalf("Failed to update configuration: %v", err)
-			}
-		}
-
-		// Set the value in DbConfig
-		dbConfigField.Set(reflect.ValueOf(storedConfigVar))
-	}
-
-	// Delete any configurations not in the default keys
-	var allConfigVars []model.ApplicationConfigurationVariable
-	if err := DB.Find(&allConfigVars).Error; err != nil {
-		log.Fatalf("Failed to retrieve existing configurations: %v", err)
-	}
-
-	for _, config := range allConfigVars {
-		if _, exists := defaultKeys[config.Key]; !exists {
-			if err := DB.Delete(&config).Error; err != nil {
-				log.Fatalf("Failed to delete outdated configuration: %v", err)
-			}
-		}
-	}
-}
-
-func init() {
-	if err := env.ParseWithOptions(EnvConfig, env.Options{}); err != nil {
-		log.Fatal(err)
-	}
-}

backend/internal/common/db.go

@@ -1,84 +0,0 @@
-package common
-
-import (
-	"errors"
-	"github.com/golang-migrate/migrate/v4"
-	"github.com/golang-migrate/migrate/v4/database/sqlite3"
-	"gorm.io/gorm/logger"
-	"log"
-	"os"
-	"time"
-
-	"gorm.io/driver/sqlite"
-	"gorm.io/gorm"
-)
-
-var DB *gorm.DB
-
-func InitDatabase() {
-	connectDatabase()
-	sqlDb, err := DB.DB()
-	if err != nil {
-		log.Fatal("failed to get sql db", err)
-	}
-	driver, err := sqlite3.WithInstance(sqlDb, &sqlite3.Config{})
-	m, err := migrate.NewWithDatabaseInstance(
-		"file://migrations",
-		"postgres", driver)
-	if err != nil {
-		log.Fatal("failed to create migration instance", err)
-	}
-
-	err = m.Up()
-	if err != nil && !errors.Is(err, migrate.ErrNoChange) {
-		log.Fatal("failed to run migrations", err)
-	}
-}
-
-func connectDatabase() {
-	var database *gorm.DB
-	var err error
-
-	dbPath := EnvConfig.DBPath
-	if EnvConfig.AppEnv == "test" {
-		dbPath = "file::memory:?cache=shared"
-	}
-
-	for i := 1; i <= 3; i++ {
-		database, err = gorm.Open(sqlite.Open(dbPath), &gorm.Config{
-			TranslateError: true,
-			Logger:         getLogger(),
-		})
-		if err == nil {
-			break
-		} else {
-			log.Printf("Attempt %d: Failed to initialize database. Retrying...", i)
-			time.Sleep(3 * time.Second)
-		}
-	}
-
-	DB = database
-}
-
-func getLogger() logger.Interface {
-	isProduction := EnvConfig.AppEnv == "production"
-
-	var logLevel logger.LogLevel
-	if isProduction {
-		logLevel = logger.Error
-	} else {
-		logLevel = logger.Info
-	}
-
-	// Create the GORM logger
-	return logger.New(
-		log.New(os.Stdout, "\r\n", log.LstdFlags),
-		logger.Config{
-			SlowThreshold:             200 * time.Millisecond,
-			LogLevel:                  logLevel,
-			IgnoreRecordNotFoundError: isProduction,
-			ParameterizedQueries:      isProduction,
-			Colorful:                  !isProduction,
-		},
-	)
-}

backend/internal/common/env_config.go

@@ -0,0 +1,64 @@
+package common
+
+import (
+	"log"
+
+	"github.com/caarlos0/env/v11"
+	_ "github.com/joho/godotenv/autoload"
+)
+
+type DbProvider string
+
+const (
+	DbProviderSqlite      DbProvider = "sqlite"
+	DbProviderPostgres    DbProvider = "postgres"
+	MaxMindGeoLiteCityUrl string     = "https://download.maxmind.com/app/geoip_download?edition_id=GeoLite2-City&license_key=%s&suffix=tar.gz"
+)
+
+type EnvConfigSchema struct {
+	AppEnv                   string     `env:"APP_ENV"`
+	AppURL                   string     `env:"PUBLIC_APP_URL"`
+	DbProvider               DbProvider `env:"DB_PROVIDER"`
+	SqliteDBPath             string     `env:"SQLITE_DB_PATH"`
+	PostgresConnectionString string     `env:"POSTGRES_CONNECTION_STRING"`
+	UploadPath               string     `env:"UPLOAD_PATH"`
+	Port                     string     `env:"BACKEND_PORT"`
+	Host                     string     `env:"HOST"`
+	MaxMindLicenseKey        string     `env:"MAXMIND_LICENSE_KEY"`
+	GeoLiteDBPath            string     `env:"GEOLITE_DB_PATH"`
+	GeoLiteDBUrl             string     `env:"GEOLITE_DB_URL"`
+	UiConfigDisabled         bool       `env:"PUBLIC_UI_CONFIG_DISABLED"`
+}
+
+var EnvConfig = &EnvConfigSchema{
+	AppEnv:                   "production",
+	DbProvider:               "sqlite",
+	SqliteDBPath:             "data/pocket-id.db",
+	PostgresConnectionString: "",
+	UploadPath:               "data/uploads",
+	AppURL:                   "http://localhost",
+	Port:                     "8080",
+	Host:                     "0.0.0.0",
+	MaxMindLicenseKey:        "",
+	GeoLiteDBPath:            "data/GeoLite2-City.mmdb",
+	GeoLiteDBUrl:             MaxMindGeoLiteCityUrl,
+	UiConfigDisabled:         false,
+}
+
+func init() {
+	if err := env.ParseWithOptions(EnvConfig, env.Options{}); err != nil {
+		log.Fatal(err)
+	}
+	// Validate the environment variables
+	if EnvConfig.DbProvider != DbProviderSqlite && EnvConfig.DbProvider != DbProviderPostgres {
+		log.Fatal("Invalid DB_PROVIDER value. Must be 'sqlite' or 'postgres'")
+	}
+
+	if EnvConfig.DbProvider == DbProviderPostgres && EnvConfig.PostgresConnectionString == "" {
+		log.Fatal("Missing POSTGRES_CONNECTION_STRING environment variable")
+	}
+
+	if EnvConfig.DbProvider == DbProviderSqlite && EnvConfig.SqliteDBPath == "" {
+		log.Fatal("Missing SQLITE_DB_PATH environment variable")
+	}
+}

backend/internal/common/errors.go

@@ -0,0 +1,221 @@
+package common
+
+import (
+	"fmt"
+	"net/http"
+)
+
+type AppError interface {
+	error
+	HttpStatusCode() int
+}
+
+// Custom error types for various conditions
+
+type AlreadyInUseError struct {
+	Property string
+}
+
+func (e *AlreadyInUseError) Error() string {
+	return fmt.Sprintf("%s is already in use", e.Property)
+}
+func (e *AlreadyInUseError) HttpStatusCode() int { return 400 }
+
+type SetupAlreadyCompletedError struct{}
+
+func (e *SetupAlreadyCompletedError) Error() string       { return "setup already completed" }
+func (e *SetupAlreadyCompletedError) HttpStatusCode() int { return 400 }
+
+type TokenInvalidOrExpiredError struct{}
+
+func (e *TokenInvalidOrExpiredError) Error() string       { return "token is invalid or expired" }
+func (e *TokenInvalidOrExpiredError) HttpStatusCode() int { return 400 }
+
+type TokenInvalidError struct{}
+
+func (e *TokenInvalidError) Error() string {
+	return "Token is invalid"
+}
+func (e *TokenInvalidError) HttpStatusCode() int { return 400 }
+
+type OidcMissingAuthorizationError struct{}
+
+func (e *OidcMissingAuthorizationError) Error() string       { return "missing authorization" }
+func (e *OidcMissingAuthorizationError) HttpStatusCode() int { return http.StatusForbidden }
+
+type OidcGrantTypeNotSupportedError struct{}
+
+func (e *OidcGrantTypeNotSupportedError) Error() string       { return "grant type not supported" }
+func (e *OidcGrantTypeNotSupportedError) HttpStatusCode() int { return 400 }
+
+type OidcMissingClientCredentialsError struct{}
+
+func (e *OidcMissingClientCredentialsError) Error() string       { return "client id or secret not provided" }
+func (e *OidcMissingClientCredentialsError) HttpStatusCode() int { return 400 }
+
+type OidcClientSecretInvalidError struct{}
+
+func (e *OidcClientSecretInvalidError) Error() string       { return "invalid client secret" }
+func (e *OidcClientSecretInvalidError) HttpStatusCode() int { return 400 }
+
+type OidcInvalidAuthorizationCodeError struct{}
+
+func (e *OidcInvalidAuthorizationCodeError) Error() string       { return "invalid authorization code" }
+func (e *OidcInvalidAuthorizationCodeError) HttpStatusCode() int { return 400 }
+
+type OidcInvalidCallbackURLError struct{}
+
+func (e *OidcInvalidCallbackURLError) Error() string {
+	return "invalid callback URL, it might be necessary for an admin to fix this"
+}
+func (e *OidcInvalidCallbackURLError) HttpStatusCode() int { return 400 }
+
+type FileTypeNotSupportedError struct{}
+
+func (e *FileTypeNotSupportedError) Error() string       { return "file type not supported" }
+func (e *FileTypeNotSupportedError) HttpStatusCode() int { return 400 }
+
+type InvalidCredentialsError struct{}
+
+func (e *InvalidCredentialsError) Error() string       { return "no user found with provided credentials" }
+func (e *InvalidCredentialsError) HttpStatusCode() int { return 400 }
+
+type FileTooLargeError struct {
+	MaxSize string
+}
+
+func (e *FileTooLargeError) Error() string {
+	return fmt.Sprintf("The file can't be larger than %s", e.MaxSize)
+}
+func (e *FileTooLargeError) HttpStatusCode() int { return http.StatusRequestEntityTooLarge }
+
+type NotSignedInError struct{}
+
+func (e *NotSignedInError) Error() string       { return "You are not signed in" }
+func (e *NotSignedInError) HttpStatusCode() int { return http.StatusUnauthorized }
+
+type MissingPermissionError struct{}
+
+func (e *MissingPermissionError) Error() string {
+	return "You don't have permission to perform this action"
+}
+func (e *MissingPermissionError) HttpStatusCode() int { return http.StatusForbidden }
+
+type TooManyRequestsError struct{}
+
+func (e *TooManyRequestsError) Error() string {
+	return "Too many requests"
+}
+func (e *TooManyRequestsError) HttpStatusCode() int { return http.StatusTooManyRequests }
+
+type ClientIdOrSecretNotProvidedError struct{}
+
+func (e *ClientIdOrSecretNotProvidedError) Error() string {
+	return "Client id or secret not provided"
+}
+func (e *ClientIdOrSecretNotProvidedError) HttpStatusCode() int { return http.StatusBadRequest }
+
+type WrongFileTypeError struct {
+	ExpectedFileType string
+}
+
+func (e *WrongFileTypeError) Error() string {
+	return fmt.Sprintf("File must be of type %s", e.ExpectedFileType)
+}
+func (e *WrongFileTypeError) HttpStatusCode() int { return http.StatusBadRequest }
+
+type MissingSessionIdError struct{}
+
+func (e *MissingSessionIdError) Error() string {
+	return "Missing session id"
+}
+func (e *MissingSessionIdError) HttpStatusCode() int { return http.StatusBadRequest }
+
+type ReservedClaimError struct {
+	Key string
+}
+
+func (e *ReservedClaimError) Error() string {
+	return fmt.Sprintf("Claim %s is reserved and can't be used", e.Key)
+}
+func (e *ReservedClaimError) HttpStatusCode() int { return http.StatusBadRequest }
+
+type DuplicateClaimError struct {
+	Key string
+}
+
+func (e *DuplicateClaimError) Error() string {
+	return fmt.Sprintf("Claim %s is already defined", e.Key)
+}
+func (e *DuplicateClaimError) HttpStatusCode() int { return http.StatusBadRequest }
+
+type AccountEditNotAllowedError struct{}
+
+func (e *AccountEditNotAllowedError) Error() string {
+	return "You are not allowed to edit your account"
+}
+func (e *AccountEditNotAllowedError) HttpStatusCode() int { return http.StatusForbidden }
+
+type OidcInvalidCodeVerifierError struct{}
+
+func (e *OidcInvalidCodeVerifierError) Error() string {
+	return "Invalid code verifier"
+}
+func (e *OidcInvalidCodeVerifierError) HttpStatusCode() int { return http.StatusBadRequest }
+
+type OidcMissingCodeChallengeError struct{}
+
+func (e *OidcMissingCodeChallengeError) Error() string {
+	return "Missing code challenge"
+}
+func (e *OidcMissingCodeChallengeError) HttpStatusCode() int { return http.StatusBadRequest }
+
+type LdapUserUpdateError struct{}
+
+func (e *LdapUserUpdateError) Error() string {
+	return "LDAP users can't be updated"
+}
+func (e *LdapUserUpdateError) HttpStatusCode() int { return http.StatusForbidden }
+
+type LdapUserGroupUpdateError struct{}
+
+func (e *LdapUserGroupUpdateError) Error() string {
+	return "LDAP user groups can't be updated"
+}
+func (e *LdapUserGroupUpdateError) HttpStatusCode() int { return http.StatusForbidden }
+
+type OidcAccessDeniedError struct{}
+
+func (e *OidcAccessDeniedError) Error() string {
+	return "You're not allowed to access this service"
+}
+func (e *OidcAccessDeniedError) HttpStatusCode() int { return http.StatusForbidden }
+
+type OidcClientIdNotMatchingError struct{}
+
+func (e *OidcClientIdNotMatchingError) Error() string {
+	return "Client id in request doesn't match client id in token"
+}
+func (e *OidcClientIdNotMatchingError) HttpStatusCode() int { return http.StatusBadRequest }
+
+type OidcNoCallbackURLError struct{}
+
+func (e *OidcNoCallbackURLError) Error() string {
+	return "No callback URL provided"
+}
+func (e *OidcNoCallbackURLError) HttpStatusCode() int { return http.StatusBadRequest }
+
+type UiConfigDisabledError struct{}
+
+func (e *UiConfigDisabledError) Error() string {
+	return "The configuration can't be changed since the UI configuration is disabled"
+}
+func (e *UiConfigDisabledError) HttpStatusCode() int { return http.StatusForbidden }
+
+type InvalidUUIDError struct{}
+
+func (e *InvalidUUIDError) Error() string {
+	return "Invalid UUID"
+}
+
+type InvalidEmailError struct{}

backend/internal/common/jwt.go

@@ -1,209 +0,0 @@
-package common
-
-import (
-	"crypto/rand"
-	"crypto/rsa"
-	"crypto/x509"
-	"encoding/base64"
-	"encoding/pem"
-	"errors"
-	"github.com/golang-jwt/jwt/v5"
-	"golang-rest-api-template/internal/model"
-	"golang-rest-api-template/internal/utils"
-	"log"
-	"math/big"
-	"os"
-	"path/filepath"
-	"slices"
-	"strconv"
-	"strings"
-	"time"
-)
-
-var (
-	PrivateKey *rsa.PrivateKey
-	PublicKey  *rsa.PublicKey
-)
-
-const (
-	privateKeyPath = "data/keys/jwt_private_key.pem"
-	publicKeyPath  = "data/keys/jwt_public_key.pem"
-)
-
-type accessTokenJWTClaims struct {
-	jwt.RegisteredClaims
-	IsAdmin bool `json:"isAdmin,omitempty"`
-}
-
-// GenerateIDToken generates an ID token for the given user, clientID, scope and nonce.
-func GenerateIDToken(user model.User, clientID string, scope string, nonce string) (tokenString string, err error) {
-	profileClaims := map[string]interface{}{
-		"given_name":         user.FirstName,
-		"family_name":        user.LastName,
-		"email":              user.Email,
-		"preferred_username": user.Username,
-	}
-
-	claims := jwt.MapClaims{
-		"sub": user.ID,
-		"aud": clientID,
-		"exp": jwt.NewNumericDate(time.Now().Add(1 * time.Hour)),
-		"iat": jwt.NewNumericDate(time.Now()),
-	}
-
-	if nonce != "" {
-		claims["nonce"] = nonce
-	}
-	if strings.Contains(scope, "profile") {
-		for k, v := range profileClaims {
-			claims[k] = v
-		}
-	}
-	if strings.Contains(scope, "email") {
-		claims["email"] = user.Email
-	}
-
-	token := jwt.NewWithClaims(jwt.SigningMethodRS256, claims)
-	signedToken, err := token.SignedString(PrivateKey)
-	if err != nil {
-		return "", err
-	}
-
-	return signedToken, nil
-}
-
-// GenerateAccessToken generates an access token for the given user.
-func GenerateAccessToken(user model.User) (tokenString string, err error) {
-	sessionDurationInMinutes, _ := strconv.Atoi(DbConfig.SessionDuration.Value)
-	claim := accessTokenJWTClaims{
-		RegisteredClaims: jwt.RegisteredClaims{
-			Subject:   user.ID,
-			ExpiresAt: jwt.NewNumericDate(time.Now().Add(time.Duration(sessionDurationInMinutes) * time.Minute)),
-			IssuedAt:  jwt.NewNumericDate(time.Now()),
-			Audience:  jwt.ClaimStrings{utils.GetHostFromURL(EnvConfig.AppURL)},
-		},
-		IsAdmin: user.IsAdmin,
-	}
-	token := jwt.NewWithClaims(jwt.SigningMethodRS256, claim)
-	tokenString, err = token.SignedString(PrivateKey)
-	return tokenString, err
-}
-
-// VerifyAccessToken verifies the given access token and returns the claims if the token is valid.
-func VerifyAccessToken(tokenString string) (*accessTokenJWTClaims, error) {
-	token, err := jwt.ParseWithClaims(tokenString, &accessTokenJWTClaims{}, func(token *jwt.Token) (interface{}, error) {
-		return PublicKey, nil
-	})
-	if err != nil || !token.Valid {
-		return nil, errors.New("couldn't handle this token")
-	}
-
-	claims, isValid := token.Claims.(*accessTokenJWTClaims)
-	if !isValid {
-		return nil, errors.New("can't parse claims")
-	}
-
-	if !slices.Contains(claims.Audience, utils.GetHostFromURL(EnvConfig.AppURL)) {
-		return nil, errors.New("audience doesn't match")
-	}
-	return claims, nil
-}
-
-type JWK struct {
-	Kty string `json:"kty"`
-	Use string `json:"use"`
-	Kid string `json:"kid"`
-	Alg string `json:"alg"`
-	N   string `json:"n"`
-	E   string `json:"e"`
-}
-
-// GetJWK returns the JSON Web Key (JWK) for the public key.
-func GetJWK() (JWK, error) {
-	if PublicKey == nil {
-		return JWK{}, errors.New("public key is not initialized")
-	}
-
-	// Create JWK from RSA public key
-	jwk := JWK{
-		Kty: "RSA",
-		Use: "sig",
-		Kid: "1", // Key ID can be set to any identifier. Here it's statically set to "1"
-		Alg: "RS256",
-		N:   base64.RawURLEncoding.EncodeToString(PublicKey.N.Bytes()),
-		E:   base64.RawURLEncoding.EncodeToString(big.NewInt(int64(PublicKey.E)).Bytes()),
-	}
-
-	return jwk, nil
-}
-
-// generateKeys generates a new RSA key pair and saves the private and public keys to the data folder.
-func generateKeys() {
-	if err := os.MkdirAll(filepath.Dir(privateKeyPath), 0700); err != nil {
-		log.Fatal("Failed to create directories for keys", err)
-	}
-
-	privateKey, err := rsa.GenerateKey(rand.Reader, 2048)
-	if err != nil {
-		log.Fatal("Failed to generate private key", err)
-	}
-
-	privateKeyFile, err := os.Create(privateKeyPath)
-	if err != nil {
-		log.Fatal("Failed to create private key file", err)
-	}
-	defer privateKeyFile.Close()
-
-	privateKeyPEM := pem.EncodeToMemory(
-		&pem.Block{
-			Type:  "RSA PRIVATE KEY",
-			Bytes: x509.MarshalPKCS1PrivateKey(privateKey),
-		},
-	)
-	_, err = privateKeyFile.Write(privateKeyPEM)
-	if err != nil {
-		log.Fatal("Failed to write private key file", err)
-	}
-
-	publicKey := &privateKey.PublicKey
-	publicKeyFile, err := os.Create(publicKeyPath)
-	if err != nil {
-		log.Fatal("Failed to create public key file", err)
-	}
-	defer publicKeyFile.Close()
-
-	publicKeyPEM := pem.EncodeToMemory(
-		&pem.Block{
-			Type:  "RSA PUBLIC KEY",
-			Bytes: x509.MarshalPKCS1PublicKey(publicKey),
-		},
-	)
-	_, err = publicKeyFile.Write(publicKeyPEM)
-	if err != nil {
-		log.Fatal("Failed to write public key file", err)
-	}
-}
-
-func init() {
-	if _, err := os.Stat(privateKeyPath); os.IsNotExist(err) {
-		generateKeys()
-	}
-
-	privateKeyBytes, err := os.ReadFile(privateKeyPath)
-	if err != nil {
-		log.Fatal("Can't read jwt private key", err)
-	}
-	PrivateKey, err = jwt.ParseRSAPrivateKeyFromPEM(privateKeyBytes)
-	if err != nil {
-		log.Fatal("Can't parse jwt private key", err)
-	}
-
-	publicKeyBytes, err := os.ReadFile(publicKeyPath)
-	if err != nil {
-		log.Fatal("Can't read jwt public key", err)
-	}
-	PublicKey, err = jwt.ParseRSAPublicKeyFromPEM(publicKeyBytes)
-	if err != nil {
-		log.Fatal("Can't parse jwt public key", err)
-	}
-}

backend/internal/common/middleware/cors.go

@@ -1,18 +0,0 @@
-package middleware
-
-import (
-	"golang-rest-api-template/internal/common"
-	"time"
-
-	"github.com/gin-contrib/cors"
-	"github.com/gin-gonic/gin"
-)
-
-func Cors() gin.HandlerFunc {
-	return cors.New(cors.Config{
-		AllowOrigins: []string{common.EnvConfig.AppURL},
-		AllowMethods: []string{"*"},
-		AllowHeaders: []string{"*"},
-		MaxAge:       12 * time.Hour,
-	})
-}

backend/internal/common/middleware/jwt_auth.go

@@ -1,47 +0,0 @@
-package middleware
-
-import (
-	"github.com/gin-gonic/gin"
-	"golang-rest-api-template/internal/common"
-	"golang-rest-api-template/internal/utils"
-	"net/http"
-	"strings"
-)
-
-func JWTAuth(adminOnly bool) gin.HandlerFunc {
-	return func(c *gin.Context) {
-
-		// Extract the token from the cookie or the Authorization header
-		token, err := c.Cookie("access_token")
-		if err != nil {
-			authorizationHeaderSplitted := strings.Split(c.GetHeader("Authorization"), " ")
-			if len(authorizationHeaderSplitted) == 2 {
-				token = authorizationHeaderSplitted[1]
-			} else {
-				utils.HandlerError(c, http.StatusUnauthorized, "You're not signed in")
-				c.Abort()
-				return
-			}
-
-		}
-
-		// Verify the token
-		claims, err := common.VerifyAccessToken(token)
-		if err != nil {
-			utils.HandlerError(c, http.StatusUnauthorized, "You're not signed in")
-			c.Abort()
-			return
-		}
-
-		// Check if the user is an admin
-		if adminOnly && !claims.IsAdmin {
-			utils.HandlerError(c, http.StatusForbidden, "You don't have permission to access this resource")
-			c.Abort()
-			return
-		}
-
-		c.Set("userID", claims.Subject)
-		c.Set("userIsAdmin", claims.IsAdmin)
-		c.Next()
-	}
-}

backend/internal/common/webauthn.go

@@ -1,37 +0,0 @@
-package common
-
-import (
-	"github.com/go-webauthn/webauthn/webauthn"
-	"golang-rest-api-template/internal/utils"
-	"log"
-	"time"
-)
-
-var (
-	WebAuthn *webauthn.WebAuthn
-	err      error
-)
-
-func init() {
-	config := &webauthn.Config{
-		RPDisplayName: DbConfig.AppName.Value,
-		RPID:          utils.GetHostFromURL(EnvConfig.AppURL),
-		RPOrigins:     []string{EnvConfig.AppURL},
-		Timeouts: webauthn.TimeoutsConfig{
-			Login: webauthn.TimeoutConfig{
-				Enforce:    true,
-				Timeout:    time.Second * 60,
-				TimeoutUVD: time.Second * 60,
-			},
-			Registration: webauthn.TimeoutConfig{
-				Enforce:    true,
-				Timeout:    time.Second * 60,
-				TimeoutUVD: time.Second * 60,
-			},
-		},
-	}
-
-	if WebAuthn, err = webauthn.New(config); err != nil {
-		log.Fatal(err)
-	}
-}

backend/internal/controller/app_config_controller.go

@@ -0,0 +1,209 @@
+package controller
+
+import (
+	"fmt"
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+	"github.com/pocket-id/pocket-id/backend/internal/common"
+	"github.com/pocket-id/pocket-id/backend/internal/dto"
+	"github.com/pocket-id/pocket-id/backend/internal/middleware"
+	"github.com/pocket-id/pocket-id/backend/internal/service"
+	"github.com/pocket-id/pocket-id/backend/internal/utils"
+)
+
+func NewAppConfigController(
+	group *gin.RouterGroup,
+	jwtAuthMiddleware *middleware.JwtAuthMiddleware,
+	appConfigService *service.AppConfigService,
+	emailService *service.EmailService,
+	ldapService *service.LdapService,
+) {
+
+	acc := &AppConfigController{
+		appConfigService: appConfigService,
+		emailService:     emailService,
+		ldapService:      ldapService,
+	}
+	group.GET("/application-configuration", acc.listAppConfigHandler)
+	group.GET("/application-configuration/all", jwtAuthMiddleware.Add(true), acc.listAllAppConfigHandler)
+	group.PUT("/application-configuration", acc.updateAppConfigHandler)
+
+	group.GET("/application-configuration/logo", acc.getLogoHandler)
+	group.GET("/application-configuration/background-image", acc.getBackgroundImageHandler)
+	group.GET("/application-configuration/favicon", acc.getFaviconHandler)
+	group.PUT("/application-configuration/logo", jwtAuthMiddleware.Add(true), acc.updateLogoHandler)
+	group.PUT("/application-configuration/favicon", jwtAuthMiddleware.Add(true), acc.updateFaviconHandler)
+	group.PUT("/application-configuration/background-image", jwtAuthMiddleware.Add(true), acc.updateBackgroundImageHandler)
+
+	group.POST("/application-configuration/test-email", jwtAuthMiddleware.Add(true), acc.testEmailHandler)
+	group.POST("/application-configuration/sync-ldap", jwtAuthMiddleware.Add(true), acc.syncLdapHandler)
+}
+
+type AppConfigController struct {
+	appConfigService *service.AppConfigService
+	emailService     *service.EmailService
+	ldapService      *service.LdapService
+}
+
+func (acc *AppConfigController) listAppConfigHandler(c *gin.Context) {
+	configuration, err := acc.appConfigService.ListAppConfig(false)
+	if err != nil {
+		c.Error(err)
+		return
+	}
+
+	var configVariablesDto []dto.PublicAppConfigVariableDto
+	if err := dto.MapStructList(configuration, &configVariablesDto); err != nil {
+		c.Error(err)
+		return
+	}
+
+	c.JSON(200, configVariablesDto)
+}
+
+func (acc *AppConfigController) listAllAppConfigHandler(c *gin.Context) {
+	configuration, err := acc.appConfigService.ListAppConfig(true)
+	if err != nil {
+		c.Error(err)
+		return
+	}
+
+	var configVariablesDto []dto.AppConfigVariableDto
+	if err := dto.MapStructList(configuration, &configVariablesDto); err != nil {
+		c.Error(err)
+		return
+	}
+
+	c.JSON(200, configVariablesDto)
+}
+
+func (acc *AppConfigController) updateAppConfigHandler(c *gin.Context) {
+	var input dto.AppConfigUpdateDto
+	if err := c.ShouldBindJSON(&input); err != nil {
+		c.Error(err)
+		return
+	}
+
+	savedConfigVariables, err := acc.appConfigService.UpdateAppConfig(input)
+	if err != nil {
+		c.Error(err)
+		return
+	}
+
+	var configVariablesDto []dto.AppConfigVariableDto
+	if err := dto.MapStructList(savedConfigVariables, &configVariablesDto); err != nil {
+		c.Error(err)
+		return
+	}
+
+	c.JSON(http.StatusOK, configVariablesDto)
+}
+
+func (acc *AppConfigController) getLogoHandler(c *gin.Context) {
+	lightLogo := c.DefaultQuery("light", "true") == "true"
+
+	var imageName string
+	var imageType string
+
+	if lightLogo {
+		imageName = "logoLight"
+		imageType = acc.appConfigService.DbConfig.LogoLightImageType.Value
+	} else {
+		imageName = "logoDark"
+		imageType = acc.appConfigService.DbConfig.LogoDarkImageType.Value
+	}
+
+	acc.getImage(c, imageName, imageType)
+}
+
+func (acc *AppConfigController) getFaviconHandler(c *gin.Context) {
+	acc.getImage(c, "favicon", "ico")
+}
+
+func (acc *AppConfigController) getBackgroundImageHandler(c *gin.Context) {
+	imageType := acc.appConfigService.DbConfig.BackgroundImageType.Value
+	acc.getImage(c, "background", imageType)
+}
+
+func (acc *AppConfigController) updateLogoHandler(c *gin.Context) {
+	lightLogo := c.DefaultQuery("light", "true") == "true"
+
+	var imageName string
+	var imageType string
+
+	if lightLogo {
+		imageName = "logoLight"
+		imageType = acc.appConfigService.DbConfig.LogoLightImageType.Value
+	} else {
+		imageName = "logoDark"
+		imageType = acc.appConfigService.DbConfig.LogoDarkImageType.Value
+	}
+
+	acc.updateImage(c, imageName, imageType)
+}
+
+func (acc *AppConfigController) updateFaviconHandler(c *gin.Context) {
+	file, err := c.FormFile("file")
+	if err != nil {
+		c.Error(err)
+		return
+	}
+
+	fileType := utils.GetFileExtension(file.Filename)
+	if fileType != "ico" {
+		c.Error(&common.WrongFileTypeError{ExpectedFileType: ".ico"})
+		return
+	}
+	acc.updateImage(c, "favicon", "ico")
+}
+
+func (acc *AppConfigController) updateBackgroundImageHandler(c *gin.Context) {
+	imageType := acc.appConfigService.DbConfig.BackgroundImageType.Value
+	acc.updateImage(c, "background", imageType)
+}
+
+func (acc *AppConfigController) getImage(c *gin.Context, name string, imageType string) {
+	imagePath := fmt.Sprintf("%s/application-images/%s.%s", common.EnvConfig.UploadPath, name, imageType)
+	mimeType := utils.GetImageMimeType(imageType)
+
+	c.Header("Content-Type", mimeType)
+	c.File(imagePath)
+}
+
+func (acc *AppConfigController) updateImage(c *gin.Context, imageName string, oldImageType string) {
+	file, err := c.FormFile("file")
+	if err != nil {
+		c.Error(err)
+		return
+	}
+
+	err = acc.appConfigService.UpdateImage(file, imageName, oldImageType)
+	if err != nil {
+		c.Error(err)
+		return
+	}
+
+	c.Status(http.StatusNoContent)
+}
+
+func (acc *AppConfigController) syncLdapHandler(c *gin.Context) {
+	err := acc.ldapService.SyncAll()
+	if err != nil {
+		c.Error(err)
+		return
+	}
+
+	c.Status(http.StatusNoContent)
+}
+func (acc *AppConfigController) testEmailHandler(c *gin.Context) {
+	userID := c.GetString("userID")
+
+	err := acc.emailService.SendTestEmail(userID)
+	if err != nil {
+		c.Error(err)
+		return
+	}
+
+	c.Status(http.StatusNoContent)
+}

backend/internal/controller/audit_log_controller.go

@@ -0,0 +1,60 @@
+package controller
+
+import (
+	"net/http"
+
+	"github.com/pocket-id/pocket-id/backend/internal/dto"
+	"github.com/pocket-id/pocket-id/backend/internal/middleware"
+	"github.com/pocket-id/pocket-id/backend/internal/utils"
+
+	"github.com/gin-gonic/gin"
+	"github.com/pocket-id/pocket-id/backend/internal/service"
+)
+
+func NewAuditLogController(group *gin.RouterGroup, auditLogService *service.AuditLogService, jwtAuthMiddleware *middleware.JwtAuthMiddleware) {
+	alc := AuditLogController{
+		auditLogService: auditLogService,
+	}
+
+	group.GET("/audit-logs", jwtAuthMiddleware.Add(false), alc.listAuditLogsForUserHandler)
+}
+
+type AuditLogController struct {
+	auditLogService *service.AuditLogService
+}
+
+func (alc *AuditLogController) listAuditLogsForUserHandler(c *gin.Context) {
+	var sortedPaginationRequest utils.SortedPaginationRequest
+	if err := c.ShouldBindQuery(&sortedPaginationRequest); err != nil {
+		c.Error(err)
+		return
+	}
+
+	userID := c.GetString("userID")
+
+	// Fetch audit logs for the user
+	logs, pagination, err := alc.auditLogService.ListAuditLogsForUser(userID, sortedPaginationRequest)
+	if err != nil {
+		c.Error(err)
+		return
+	}
+
+	// Map the audit logs to DTOs
+	var logsDtos []dto.AuditLogDto
+	err = dto.MapStructList(logs, &logsDtos)
+	if err != nil {
+		c.Error(err)
+		return
+	}
+
+	// Add device information to the logs
+	for i, logsDto := range logsDtos {
+		logsDto.Device = alc.auditLogService.DeviceStringFromUserAgent(logs[i].UserAgent)
+		logsDtos[i] = logsDto
+	}
+
+	c.JSON(http.StatusOK, gin.H{
+		"data":       logsDtos,
+		"pagination": pagination,
+	})
+}

backend/internal/controller/custom_claim_controller.go

@@ -0,0 +1,79 @@
+package controller
+
+import (
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+	"github.com/pocket-id/pocket-id/backend/internal/dto"
+	"github.com/pocket-id/pocket-id/backend/internal/middleware"
+	"github.com/pocket-id/pocket-id/backend/internal/service"
+)
+
+func NewCustomClaimController(group *gin.RouterGroup, jwtAuthMiddleware *middleware.JwtAuthMiddleware, customClaimService *service.CustomClaimService) {
+	wkc := &CustomClaimController{customClaimService: customClaimService}
+	group.GET("/custom-claims/suggestions", jwtAuthMiddleware.Add(true), wkc.getSuggestionsHandler)
+	group.PUT("/custom-claims/user/:userId", jwtAuthMiddleware.Add(true), wkc.UpdateCustomClaimsForUserHandler)
+	group.PUT("/custom-claims/user-group/:userGroupId", jwtAuthMiddleware.Add(true), wkc.UpdateCustomClaimsForUserGroupHandler)
+}
+
+type CustomClaimController struct {
+	customClaimService *service.CustomClaimService
+}
+
+func (ccc *CustomClaimController) getSuggestionsHandler(c *gin.Context) {
+	claims, err := ccc.customClaimService.GetSuggestions()
+	if err != nil {
+		c.Error(err)
+		return
+	}
+
+	c.JSON(http.StatusOK, claims)
+}
+
+func (ccc *CustomClaimController) UpdateCustomClaimsForUserHandler(c *gin.Context) {
+	var input []dto.CustomClaimCreateDto
+
+	if err := c.ShouldBindJSON(&input); err != nil {
+		c.Error(err)
+		return
+	}
+
+	userId := c.Param("userId")
+	claims, err := ccc.customClaimService.UpdateCustomClaimsForUser(userId, input)
+	if err != nil {
+		c.Error(err)
+		return
+	}
+
+	var customClaimsDto []dto.CustomClaimDto
+	if err := dto.MapStructList(claims, &customClaimsDto); err != nil {
+		c.Error(err)
+		return
+	}
+
+	c.JSON(http.StatusOK, customClaimsDto)
+}
+
+func (ccc *CustomClaimController) UpdateCustomClaimsForUserGroupHandler(c *gin.Context) {
+	var input []dto.CustomClaimCreateDto
+
+	if err := c.ShouldBindJSON(&input); err != nil {
+		c.Error(err)
+		return
+	}
+
+	userId := c.Param("userGroupId")
+	claims, err := ccc.customClaimService.UpdateCustomClaimsForUserGroup(userId, input)
+	if err != nil {
+		c.Error(err)
+		return
+	}
+
+	var customClaimsDto []dto.CustomClaimDto
+	if err := dto.MapStructList(claims, &customClaimsDto); err != nil {
+		c.Error(err)
+		return
+	}
+
+	c.JSON(http.StatusOK, customClaimsDto)
+}

backend/internal/controller/oidc_controller.go

@@ -0,0 +1,344 @@
+package controller
+
+import (
+	"github.com/pocket-id/pocket-id/backend/internal/common"
+	"github.com/pocket-id/pocket-id/backend/internal/utils/cookie"
+	"log"
+	"net/http"
+	"net/url"
+	"strings"
+
+	"github.com/gin-gonic/gin"
+	"github.com/pocket-id/pocket-id/backend/internal/dto"
+	"github.com/pocket-id/pocket-id/backend/internal/middleware"
+	"github.com/pocket-id/pocket-id/backend/internal/service"
+	"github.com/pocket-id/pocket-id/backend/internal/utils"
+)
+
+func NewOidcController(group *gin.RouterGroup, jwtAuthMiddleware *middleware.JwtAuthMiddleware, fileSizeLimitMiddleware *middleware.FileSizeLimitMiddleware, oidcService *service.OidcService, jwtService *service.JwtService) {
+	oc := &OidcController{oidcService: oidcService, jwtService: jwtService}
+
+	group.POST("/oidc/authorize", jwtAuthMiddleware.Add(false), oc.authorizeHandler)
+	group.POST("/oidc/authorization-required", jwtAuthMiddleware.Add(false), oc.authorizationConfirmationRequiredHandler)
+
+	group.POST("/oidc/token", oc.createTokensHandler)
+	group.GET("/oidc/userinfo", oc.userInfoHandler)
+	group.POST("/oidc/end-session", oc.EndSessionHandler)
+	group.GET("/oidc/end-session", oc.EndSessionHandler)
+
+	group.GET("/oidc/clients", jwtAuthMiddleware.Add(true), oc.listClientsHandler)
+	group.POST("/oidc/clients", jwtAuthMiddleware.Add(true), oc.createClientHandler)
+	group.GET("/oidc/clients/:id", oc.getClientHandler)
+	group.PUT("/oidc/clients/:id", jwtAuthMiddleware.Add(true), oc.updateClientHandler)
+	group.DELETE("/oidc/clients/:id", jwtAuthMiddleware.Add(true), oc.deleteClientHandler)
+
+	group.PUT("/oidc/clients/:id/allowed-user-groups", jwtAuthMiddleware.Add(true), oc.updateAllowedUserGroupsHandler)
+	group.POST("/oidc/clients/:id/secret", jwtAuthMiddleware.Add(true), oc.createClientSecretHandler)
+
+	group.GET("/oidc/clients/:id/logo", oc.getClientLogoHandler)
+	group.DELETE("/oidc/clients/:id/logo", oc.deleteClientLogoHandler)
+	group.POST("/oidc/clients/:id/logo", jwtAuthMiddleware.Add(true), fileSizeLimitMiddleware.Add(2<<20), oc.updateClientLogoHandler)
+}
+
+type OidcController struct {
+	oidcService *service.OidcService
+	jwtService  *service.JwtService
+}
+
+func (oc *OidcController) authorizeHandler(c *gin.Context) {
+	var input dto.AuthorizeOidcClientRequestDto
+	if err := c.ShouldBindJSON(&input); err != nil {
+		c.Error(err)
+		return
+	}
+
+	code, callbackURL, err := oc.oidcService.Authorize(input, c.GetString("userID"), c.ClientIP(), c.Request.UserAgent())
+	if err != nil {
+		c.Error(err)
+		return
+	}
+
+	response := dto.AuthorizeOidcClientResponseDto{
+		Code:        code,
+		CallbackURL: callbackURL,
+	}
+
+	c.JSON(http.StatusOK, response)
+}
+
+func (oc *OidcController) authorizationConfirmationRequiredHandler(c *gin.Context) {
+	var input dto.AuthorizationRequiredDto
+	if err := c.ShouldBindJSON(&input); err != nil {
+		c.Error(err)
+		return
+	}
+
+	hasAuthorizedClient, err := oc.oidcService.HasAuthorizedClient(input.ClientID, c.GetString("userID"), input.Scope)
+	if err != nil {
+		c.Error(err)
+		return
+	}
+
+	c.JSON(http.StatusOK, gin.H{"authorizationRequired": !hasAuthorizedClient})
+}
+
+func (oc *OidcController) createTokensHandler(c *gin.Context) {
+	// Disable cors for this endpoint
+	c.Writer.Header().Set("Access-Control-Allow-Origin", "*")
+
+	var input dto.OidcCreateTokensDto
+
+	if err := c.ShouldBind(&input); err != nil {
+		c.Error(err)
+		return
+	}
+
+	clientID := input.ClientID
+	clientSecret := input.ClientSecret
+
+	// Client id and secret can also be passed over the Authorization header
+	if clientID == "" && clientSecret == "" {
+		clientID, clientSecret, _ = c.Request.BasicAuth()
+	}
+
+	idToken, accessToken, err := oc.oidcService.CreateTokens(input.Code, input.GrantType, clientID, clientSecret, input.CodeVerifier)
+	if err != nil {
+		c.Error(err)
+		return
+	}
+
+	c.JSON(http.StatusOK, gin.H{"id_token": idToken, "access_token": accessToken, "token_type": "Bearer"})
+}
+
+func (oc *OidcController) userInfoHandler(c *gin.Context) {
+	token := strings.Split(c.GetHeader("Authorization"), " ")[1]
+	jwtClaims, err := oc.jwtService.VerifyOauthAccessToken(token)
+	if err != nil {
+		c.Error(err)
+		return
+	}
+	userID := jwtClaims.Subject
+	clientId := jwtClaims.Audience[0]
+	claims, err := oc.oidcService.GetUserClaimsForClient(userID, clientId)
+	if err != nil {
+		c.Error(err)
+		return
+	}
+
+	c.JSON(http.StatusOK, claims)
+}
+
+func (oc *OidcController) EndSessionHandler(c *gin.Context) {
+	var input dto.OidcLogoutDto
+
+	// Bind query parameters to the struct
+	if c.Request.Method == http.MethodGet {
+		if err := c.ShouldBindQuery(&input); err != nil {
+			c.Error(err)
+			return
+		}
+	} else if c.Request.Method == http.MethodPost {
+		// Bind form parameters to the struct
+		if err := c.ShouldBind(&input); err != nil {
+			c.Error(err)
+			return
+		}
+	}
+
+	callbackURL, err := oc.oidcService.ValidateEndSession(input, c.GetString("userID"))
+	if err != nil {
+		// If the validation fails, the user has to confirm the logout manually and doesn't get redirected
+		log.Printf("Error getting logout callback URL, the user has to confirm the logout manually: %v", err)
+		c.Redirect(http.StatusFound, common.EnvConfig.AppURL+"/logout")
+		return
+	}
+
+	// The validation was successful, so we can log out and redirect the user to the callback URL without confirmation
+	cookie.AddAccessTokenCookie(c, 0, "")
+
+	logoutCallbackURL, _ := url.Parse(callbackURL)
+	if input.State != "" {
+		q := logoutCallbackURL.Query()
+		q.Set("state", input.State)
+		logoutCallbackURL.RawQuery = q.Encode()
+	}
+
+	c.Redirect(http.StatusFound, logoutCallbackURL.String())
+}
+
+func (oc *OidcController) getClientHandler(c *gin.Context) {
+	clientId := c.Param("id")
+	client, err := oc.oidcService.GetClient(clientId)
+	if err != nil {
+		c.Error(err)
+		return
+	}
+
+	// Return a different DTO based on the user's role
+	if c.GetBool("userIsAdmin") {
+		clientDto := dto.OidcClientWithAllowedUserGroupsDto{}
+		err = dto.MapStruct(client, &clientDto)
+		if err == nil {
+			c.JSON(http.StatusOK, clientDto)
+			return
+		}
+	} else {
+		clientDto := dto.PublicOidcClientDto{}
+		err = dto.MapStruct(client, &clientDto)
+		if err == nil {
+			c.JSON(http.StatusOK, clientDto)
+			return
+		}
+	}
+
+	c.Error(err)
+}
+
+func (oc *OidcController) listClientsHandler(c *gin.Context) {
+	searchTerm := c.Query("search")
+	var sortedPaginationRequest utils.SortedPaginationRequest
+	if err := c.ShouldBindQuery(&sortedPaginationRequest); err != nil {
+		c.Error(err)
+		return
+	}
+
+	clients, pagination, err := oc.oidcService.ListClients(searchTerm, sortedPaginationRequest)
+	if err != nil {
+		c.Error(err)
+		return
+	}
+
+	var clientsDto []dto.OidcClientDto
+	if err := dto.MapStructList(clients, &clientsDto); err != nil {
+		c.Error(err)
+		return
+	}
+
+	c.JSON(http.StatusOK, gin.H{
+		"data":       clientsDto,
+		"pagination": pagination,
+	})
+}
+
+func (oc *OidcController) createClientHandler(c *gin.Context) {
+	var input dto.OidcClientCreateDto
+	if err := c.ShouldBindJSON(&input); err != nil {
+		c.Error(err)
+		return
+	}
+
+	client, err := oc.oidcService.CreateClient(input, c.GetString("userID"))
+	if err != nil {
+		c.Error(err)
+		return
+	}
+
+	var clientDto dto.OidcClientWithAllowedUserGroupsDto
+	if err := dto.MapStruct(client, &clientDto); err != nil {
+		c.Error(err)
+		return
+	}
+
+	c.JSON(http.StatusCreated, clientDto)
+}
+
+func (oc *OidcController) deleteClientHandler(c *gin.Context) {
+	err := oc.oidcService.DeleteClient(c.Param("id"))
+	if err != nil {
+		c.Error(err)
+		return
+	}
+
+	c.Status(http.StatusNoContent)
+}
+
+func (oc *OidcController) updateClientHandler(c *gin.Context) {
+	var input dto.OidcClientCreateDto
+	if err := c.ShouldBindJSON(&input); err != nil {
+		c.Error(err)
+		return
+	}
+
+	client, err := oc.oidcService.UpdateClient(c.Param("id"), input)
+	if err != nil {
+		c.Error(err)
+		return
+	}
+
+	var clientDto dto.OidcClientWithAllowedUserGroupsDto
+	if err := dto.MapStruct(client, &clientDto); err != nil {
+		c.Error(err)
+		return
+	}
+
+	c.JSON(http.StatusOK, clientDto)
+}
+
+func (oc *OidcController) createClientSecretHandler(c *gin.Context) {
+	secret, err := oc.oidcService.CreateClientSecret(c.Param("id"))
+	if err != nil {
+		c.Error(err)
+		return
+	}
+
+	c.JSON(http.StatusOK, gin.H{"secret": secret})
+}
+
+func (oc *OidcController) getClientLogoHandler(c *gin.Context) {
+	imagePath, mimeType, err := oc.oidcService.GetClientLogo(c.Param("id"))
+	if err != nil {
+		c.Error(err)
+		return
+	}
+
+	c.Header("Content-Type", mimeType)
+	c.File(imagePath)
+}
+
+func (oc *OidcController) updateClientLogoHandler(c *gin.Context) {
+	file, err := c.FormFile("file")
+	if err != nil {
+		c.Error(err)
+		return
+	}
+
+	err = oc.oidcService.UpdateClientLogo(c.Param("id"), file)
+	if err != nil {
+		c.Error(err)
+		return
+	}
+
+	c.Status(http.StatusNoContent)
+}
+
+func (oc *OidcController) deleteClientLogoHandler(c *gin.Context) {
+	err := oc.oidcService.DeleteClientLogo(c.Param("id"))
+	if err != nil {
+		c.Error(err)
+		return
+	}
+
+	c.Status(http.StatusNoContent)
+}
+
+func (oc *OidcController) updateAllowedUserGroupsHandler(c *gin.Context) {
+	var input dto.OidcUpdateAllowedUserGroupsDto
+	if err := c.ShouldBindJSON(&input); err != nil {
+		c.Error(err)
+		return
+	}
+
+	oidcClient, err := oc.oidcService.UpdateAllowedUserGroups(c.Param("id"), input)
+	if err != nil {
+		c.Error(err)
+		return
+	}
+
+	var oidcClientDto dto.OidcClientDto
+	if err := dto.MapStruct(oidcClient, &oidcClientDto); err != nil {
+		c.Error(err)
+		return
+	}
+
+	c.JSON(http.StatusOK, oidcClientDto)
+}

backend/internal/controller/test_controller.go

@@ -0,0 +1,44 @@
+package controller
+
+import (
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+	"github.com/pocket-id/pocket-id/backend/internal/service"
+)
+
+func NewTestController(group *gin.RouterGroup, testService *service.TestService) {
+	testController := &TestController{TestService: testService}
+
+	group.POST("/test/reset", testController.resetAndSeedHandler)
+}
+
+type TestController struct {
+	TestService *service.TestService
+}
+
+func (tc *TestController) resetAndSeedHandler(c *gin.Context) {
+	if err := tc.TestService.ResetDatabase(); err != nil {
+		c.Error(err)
+		return
+	}
+
+	if err := tc.TestService.ResetApplicationImages(); err != nil {
+		c.Error(err)
+		return
+	}
+
+	if err := tc.TestService.SeedDatabase(); err != nil {
+		c.Error(err)
+		return
+	}
+
+	if err := tc.TestService.ResetAppConfig(); err != nil {
+		c.Error(err)
+		return
+	}
+
+	tc.TestService.SetJWTKeys()
+
+	c.Status(http.StatusNoContent)
+}

backend/internal/controller/user_controller.go

@@ -0,0 +1,317 @@
+package controller
+
+import (
+	"net/http"
+	"strconv"
+	"time"
+
+	"github.com/pocket-id/pocket-id/backend/internal/utils/cookie"
+
+	"github.com/gin-gonic/gin"
+	"github.com/pocket-id/pocket-id/backend/internal/common"
+	"github.com/pocket-id/pocket-id/backend/internal/dto"
+	"github.com/pocket-id/pocket-id/backend/internal/middleware"
+	"github.com/pocket-id/pocket-id/backend/internal/service"
+	"github.com/pocket-id/pocket-id/backend/internal/utils"
+	"golang.org/x/time/rate"
+)
+
+func NewUserController(group *gin.RouterGroup, jwtAuthMiddleware *middleware.JwtAuthMiddleware, rateLimitMiddleware *middleware.RateLimitMiddleware, userService *service.UserService, appConfigService *service.AppConfigService) {
+	uc := UserController{
+		userService:      userService,
+		appConfigService: appConfigService,
+	}
+
+	group.GET("/users", jwtAuthMiddleware.Add(true), uc.listUsersHandler)
+	group.GET("/users/me", jwtAuthMiddleware.Add(false), uc.getCurrentUserHandler)
+	group.GET("/users/:id", jwtAuthMiddleware.Add(true), uc.getUserHandler)
+	group.POST("/users", jwtAuthMiddleware.Add(true), uc.createUserHandler)
+	group.PUT("/users/:id", jwtAuthMiddleware.Add(true), uc.updateUserHandler)
+	group.PUT("/users/me", jwtAuthMiddleware.Add(false), uc.updateCurrentUserHandler)
+	group.DELETE("/users/:id", jwtAuthMiddleware.Add(true), uc.deleteUserHandler)
+
+	group.GET("/users/:id/profile-picture.png", uc.getUserProfilePictureHandler)
+	group.GET("/users/me/profile-picture.png", jwtAuthMiddleware.Add(false), uc.getCurrentUserProfilePictureHandler)
+	group.PUT("/users/:id/profile-picture", jwtAuthMiddleware.Add(true), uc.updateUserProfilePictureHandler)
+	group.PUT("/users/me/profile-picture", jwtAuthMiddleware.Add(false), uc.updateUserProfilePictureHandler)
+
+	group.POST("/users/:id/one-time-access-token", jwtAuthMiddleware.Add(true), uc.createOneTimeAccessTokenHandler)
+	group.POST("/one-time-access-token/:token", rateLimitMiddleware.Add(rate.Every(10*time.Second), 5), uc.exchangeOneTimeAccessTokenHandler)
+	group.POST("/one-time-access-token/setup", uc.getSetupAccessTokenHandler)
+	group.POST("/one-time-access-email", rateLimitMiddleware.Add(rate.Every(10*time.Minute), 3), uc.requestOneTimeAccessEmailHandler)
+}
+
+type UserController struct {
+	userService      *service.UserService
+	appConfigService *service.AppConfigService
+}
+
+func (uc *UserController) listUsersHandler(c *gin.Context) {
+	searchTerm := c.Query("search")
+	var sortedPaginationRequest utils.SortedPaginationRequest
+	if err := c.ShouldBindQuery(&sortedPaginationRequest); err != nil {
+		c.Error(err)
+		return
+	}
+
+	users, pagination, err := uc.userService.ListUsers(searchTerm, sortedPaginationRequest)
+	if err != nil {
+		c.Error(err)
+		return
+	}
+
+	var usersDto []dto.UserDto
+	if err := dto.MapStructList(users, &usersDto); err != nil {
+		c.Error(err)
+		return
+	}
+
+	c.JSON(http.StatusOK, gin.H{
+		"data":       usersDto,
+		"pagination": pagination,
+	})
+}
+
+func (uc *UserController) getUserHandler(c *gin.Context) {
+	user, err := uc.userService.GetUser(c.Param("id"))
+	if err != nil {
+		c.Error(err)
+		return
+	}
+
+	var userDto dto.UserDto
+	if err := dto.MapStruct(user, &userDto); err != nil {
+		c.Error(err)
+		return
+	}
+
+	c.JSON(http.StatusOK, userDto)
+}
+
+func (uc *UserController) getCurrentUserHandler(c *gin.Context) {
+	user, err := uc.userService.GetUser(c.GetString("userID"))
+	if err != nil {
+		c.Error(err)
+		return
+	}
+
+	var userDto dto.UserDto
+	if err := dto.MapStruct(user, &userDto); err != nil {
+		c.Error(err)
+		return
+	}
+
+	c.JSON(http.StatusOK, userDto)
+}
+
+func (uc *UserController) deleteUserHandler(c *gin.Context) {
+	if err := uc.userService.DeleteUser(c.Param("id")); err != nil {
+		c.Error(err)
+		return
+	}
+
+	c.Status(http.StatusNoContent)
+}
+
+func (uc *UserController) createUserHandler(c *gin.Context) {
+	var input dto.UserCreateDto
+	if err := c.ShouldBindJSON(&input); err != nil {
+		c.Error(err)
+		return
+	}
+
+	user, err := uc.userService.CreateUser(input)
+	if err != nil {
+		c.Error(err)
+		return
+	}
+
+	var userDto dto.UserDto
+	if err := dto.MapStruct(user, &userDto); err != nil {
+		c.Error(err)
+		return
+	}
+
+	c.JSON(http.StatusCreated, userDto)
+}
+
+func (uc *UserController) updateUserHandler(c *gin.Context) {
+	uc.updateUser(c, false)
+}
+
+func (uc *UserController) updateCurrentUserHandler(c *gin.Context) {
+	if uc.appConfigService.DbConfig.AllowOwnAccountEdit.Value != "true" {
+		c.Error(&common.AccountEditNotAllowedError{})
+		return
+	}
+	uc.updateUser(c, true)
+}
+
+func (uc *UserController) getUserProfilePictureHandler(c *gin.Context) {
+	userID := c.Param("id")
+
+	picture, size, err := uc.userService.GetProfilePicture(userID)
+	if err != nil {
+		c.Error(err)
+		return
+	}
+
+	c.DataFromReader(http.StatusOK, size, "image/png", picture, nil)
+}
+
+func (uc *UserController) getCurrentUserProfilePictureHandler(c *gin.Context) {
+	userID := c.GetString("userID")
+
+	picture, size, err := uc.userService.GetProfilePicture(userID)
+	if err != nil {
+		c.Error(err)
+		return
+	}
+
+	c.DataFromReader(http.StatusOK, size, "image/png", picture, nil)
+}
+
+func (uc *UserController) updateUserProfilePictureHandler(c *gin.Context) {
+	userID := c.GetString("userID")
+	fileHeader, err := c.FormFile("file")
+	if err != nil {
+		c.Error(err)
+		return
+	}
+	file, err := fileHeader.Open()
+	if err != nil {
+		c.Error(err)
+		return
+	}
+	defer file.Close()
+
+	if err := uc.userService.UpdateProfilePicture(userID, file); err != nil {
+		c.Error(err)
+		return
+	}
+
+	c.Status(http.StatusNoContent)
+}
+
+func (uc *UserController) updateCurrentUserProfilePictureHandler(c *gin.Context) {
+	userID := c.GetString("userID")
+	fileHeader, err := c.FormFile("file")
+	if err != nil {
+		c.Error(err)
+		return
+	}
+	file, err := fileHeader.Open()
+	if err != nil {
+		c.Error(err)
+		return
+	}
+	defer file.Close()
+
+	if err := uc.userService.UpdateProfilePicture(userID, file); err != nil {
+		c.Error(err)
+		return
+	}
+
+	c.Status(http.StatusNoContent)
+}
+
+func (uc *UserController) createOneTimeAccessTokenHandler(c *gin.Context) {
+	var input dto.OneTimeAccessTokenCreateDto
+	if err := c.ShouldBindJSON(&input); err != nil {
+		c.Error(err)
+		return
+	}
+
+	token, err := uc.userService.CreateOneTimeAccessToken(input.UserID, input.ExpiresAt)
+	if err != nil {
+		c.Error(err)
+		return
+	}
+
+	c.JSON(http.StatusCreated, gin.H{"token": token})
+}
+
+func (uc *UserController) requestOneTimeAccessEmailHandler(c *gin.Context) {
+	var input dto.OneTimeAccessEmailDto
+	if err := c.ShouldBindJSON(&input); err != nil {
+		c.Error(err)
+		return
+	}
+
+	err := uc.userService.RequestOneTimeAccessEmail(input.Email, input.RedirectPath)
+	if err != nil {
+		c.Error(err)
+		return
+	}
+
+	c.Status(http.StatusNoContent)
+}
+
+func (uc *UserController) exchangeOneTimeAccessTokenHandler(c *gin.Context) {
+	user, token, err := uc.userService.ExchangeOneTimeAccessToken(c.Param("token"), c.ClientIP(), c.Request.UserAgent())
+	if err != nil {
+		c.Error(err)
+		return
+	}
+
+	var userDto dto.UserDto
+	if err := dto.MapStruct(user, &userDto); err != nil {
+		c.Error(err)
+		return
+	}
+
+	sessionDurationInMinutesParsed, _ := strconv.Atoi(uc.appConfigService.DbConfig.SessionDuration.Value)
+	maxAge := sessionDurationInMinutesParsed * 60
+	cookie.AddAccessTokenCookie(c, maxAge, token)
+
+	c.JSON(http.StatusOK, userDto)
+}
+
+func (uc *UserController) getSetupAccessTokenHandler(c *gin.Context) {
+	user, token, err := uc.userService.SetupInitialAdmin()
+	if err != nil {
+		c.Error(err)
+		return
+	}
+
+	var userDto dto.UserDto
+	if err := dto.MapStruct(user, &userDto); err != nil {
+		c.Error(err)
+		return
+	}
+
+	sessionDurationInMinutesParsed, _ := strconv.Atoi(uc.appConfigService.DbConfig.SessionDuration.Value)
+	maxAge := sessionDurationInMinutesParsed * 60
+	cookie.AddAccessTokenCookie(c, maxAge, token)
+
+	c.JSON(http.StatusOK, userDto)
+}
+
+func (uc *UserController) updateUser(c *gin.Context, updateOwnUser bool) {
+	var input dto.UserCreateDto
+	if err := c.ShouldBindJSON(&input); err != nil {
+		c.Error(err)
+		return
+	}
+
+	var userID string
+	if updateOwnUser {
+		userID = c.GetString("userID")
+	} else {
+		userID = c.Param("id")
+	}
+
+	user, err := uc.userService.UpdateUser(userID, input, updateOwnUser, false)
+	if err != nil {
+		c.Error(err)
+		return
+	}
+
+	var userDto dto.UserDto
+	if err := dto.MapStruct(user, &userDto); err != nil {
+		c.Error(err)
+		return
+	}
+
+	c.JSON(http.StatusOK, userDto)
+}

backend/internal/controller/user_group_controller.go

@@ -0,0 +1,155 @@
+package controller
+
+import (
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+	"github.com/pocket-id/pocket-id/backend/internal/dto"
+	"github.com/pocket-id/pocket-id/backend/internal/middleware"
+	"github.com/pocket-id/pocket-id/backend/internal/service"
+	"github.com/pocket-id/pocket-id/backend/internal/utils"
+)
+
+func NewUserGroupController(group *gin.RouterGroup, jwtAuthMiddleware *middleware.JwtAuthMiddleware, userGroupService *service.UserGroupService) {
+	ugc := UserGroupController{
+		UserGroupService: userGroupService,
+	}
+
+	group.GET("/user-groups", jwtAuthMiddleware.Add(true), ugc.list)
+	group.GET("/user-groups/:id", jwtAuthMiddleware.Add(true), ugc.get)
+	group.POST("/user-groups", jwtAuthMiddleware.Add(true), ugc.create)
+	group.PUT("/user-groups/:id", jwtAuthMiddleware.Add(true), ugc.update)
+	group.DELETE("/user-groups/:id", jwtAuthMiddleware.Add(true), ugc.delete)
+	group.PUT("/user-groups/:id/users", jwtAuthMiddleware.Add(true), ugc.updateUsers)
+}
+
+type UserGroupController struct {
+	UserGroupService *service.UserGroupService
+}
+
+func (ugc *UserGroupController) list(c *gin.Context) {
+	searchTerm := c.Query("search")
+	var sortedPaginationRequest utils.SortedPaginationRequest
+	if err := c.ShouldBindQuery(&sortedPaginationRequest); err != nil {
+		c.Error(err)
+		return
+	}
+
+	groups, pagination, err := ugc.UserGroupService.List(searchTerm, sortedPaginationRequest)
+	if err != nil {
+		c.Error(err)
+		return
+	}
+
+	// Map the user groups to DTOs. The user count can't be mapped directly, so we have to do it manually.
+	var groupsDto = make([]dto.UserGroupDtoWithUserCount, len(groups))
+	for i, group := range groups {
+		var groupDto dto.UserGroupDtoWithUserCount
+		if err := dto.MapStruct(group, &groupDto); err != nil {
+			c.Error(err)
+			return
+		}
+		groupDto.UserCount, err = ugc.UserGroupService.GetUserCountOfGroup(group.ID)
+		if err != nil {
+			c.Error(err)
+			return
+		}
+		groupsDto[i] = groupDto
+	}
+
+	c.JSON(http.StatusOK, gin.H{
+		"data":       groupsDto,
+		"pagination": pagination,
+	})
+}
+
+func (ugc *UserGroupController) get(c *gin.Context) {
+	group, err := ugc.UserGroupService.Get(c.Param("id"))
+	if err != nil {
+		c.Error(err)
+		return
+	}
+
+	var groupDto dto.UserGroupDtoWithUsers
+	if err := dto.MapStruct(group, &groupDto); err != nil {
+		c.Error(err)
+		return
+	}
+
+	c.JSON(http.StatusOK, groupDto)
+}
+
+func (ugc *UserGroupController) create(c *gin.Context) {
+	var input dto.UserGroupCreateDto
+	if err := c.ShouldBindJSON(&input); err != nil {
+		c.Error(err)
+		return
+	}
+
+	group, err := ugc.UserGroupService.Create(input)
+	if err != nil {
+		c.Error(err)
+		return
+	}
+
+	var groupDto dto.UserGroupDtoWithUsers
+	if err := dto.MapStruct(group, &groupDto); err != nil {
+		c.Error(err)
+		return
+	}
+
+	c.JSON(http.StatusCreated, groupDto)
+}
+
+func (ugc *UserGroupController) update(c *gin.Context) {
+	var input dto.UserGroupCreateDto
+	if err := c.ShouldBindJSON(&input); err != nil {
+		c.Error(err)
+		return
+	}
+
+	group, err := ugc.UserGroupService.Update(c.Param("id"), input, false)
+	if err != nil {
+		c.Error(err)
+		return
+	}
+
+	var groupDto dto.UserGroupDtoWithUsers
+	if err := dto.MapStruct(group, &groupDto); err != nil {
+		c.Error(err)
+		return
+	}
+
+	c.JSON(http.StatusOK, groupDto)
+}
+
+func (ugc *UserGroupController) delete(c *gin.Context) {
+	if err := ugc.UserGroupService.Delete(c.Param("id")); err != nil {
+		c.Error(err)
+		return
+	}
+
+	c.Status(http.StatusNoContent)
+}
+
+func (ugc *UserGroupController) updateUsers(c *gin.Context) {
+	var input dto.UserGroupUpdateUsersDto
+	if err := c.ShouldBindJSON(&input); err != nil {
+		c.Error(err)
+		return
+	}
+
+	group, err := ugc.UserGroupService.UpdateUsers(c.Param("id"), input)
+	if err != nil {
+		c.Error(err)
+		return
+	}
+
+	var groupDto dto.UserGroupDtoWithUsers
+	if err := dto.MapStruct(group, &groupDto); err != nil {
+		c.Error(err)
+		return
+	}
+
+	c.JSON(http.StatusOK, groupDto)
+}

backend/internal/controller/webauthn_controller.go

@@ -0,0 +1,175 @@
+package controller
+
+import (
+	"net/http"
+	"strconv"
+	"time"
+
+	"github.com/go-webauthn/webauthn/protocol"
+	"github.com/pocket-id/pocket-id/backend/internal/common"
+	"github.com/pocket-id/pocket-id/backend/internal/dto"
+	"github.com/pocket-id/pocket-id/backend/internal/middleware"
+	"github.com/pocket-id/pocket-id/backend/internal/utils/cookie"
+
+	"github.com/gin-gonic/gin"
+	"github.com/pocket-id/pocket-id/backend/internal/service"
+	"golang.org/x/time/rate"
+)
+
+func NewWebauthnController(group *gin.RouterGroup, jwtAuthMiddleware *middleware.JwtAuthMiddleware, rateLimitMiddleware *middleware.RateLimitMiddleware, webauthnService *service.WebAuthnService, appConfigService *service.AppConfigService) {
+	wc := &WebauthnController{webAuthnService: webauthnService, appConfigService: appConfigService}
+	group.GET("/webauthn/register/start", jwtAuthMiddleware.Add(false), wc.beginRegistrationHandler)
+	group.POST("/webauthn/register/finish", jwtAuthMiddleware.Add(false), wc.verifyRegistrationHandler)
+
+	group.GET("/webauthn/login/start", wc.beginLoginHandler)
+	group.POST("/webauthn/login/finish", rateLimitMiddleware.Add(rate.Every(10*time.Second), 5), wc.verifyLoginHandler)
+
+	group.POST("/webauthn/logout", jwtAuthMiddleware.Add(false), wc.logoutHandler)
+
+	group.GET("/webauthn/credentials", jwtAuthMiddleware.Add(false), wc.listCredentialsHandler)
+	group.PATCH("/webauthn/credentials/:id", jwtAuthMiddleware.Add(false), wc.updateCredentialHandler)
+	group.DELETE("/webauthn/credentials/:id", jwtAuthMiddleware.Add(false), wc.deleteCredentialHandler)
+}
+
+type WebauthnController struct {
+	webAuthnService  *service.WebAuthnService
+	appConfigService *service.AppConfigService
+}
+
+func (wc *WebauthnController) beginRegistrationHandler(c *gin.Context) {
+	userID := c.GetString("userID")
+	options, err := wc.webAuthnService.BeginRegistration(userID)
+	if err != nil {
+		c.Error(err)
+		return
+	}
+
+	cookie.AddSessionIdCookie(c, int(options.Timeout.Seconds()), options.SessionID)
+	c.JSON(http.StatusOK, options.Response)
+}
+
+func (wc *WebauthnController) verifyRegistrationHandler(c *gin.Context) {
+	sessionID, err := c.Cookie(cookie.SessionIdCookieName)
+	if err != nil {
+		c.Error(&common.MissingSessionIdError{})
+		return
+	}
+
+	userID := c.GetString("userID")
+	credential, err := wc.webAuthnService.VerifyRegistration(sessionID, userID, c.Request)
+	if err != nil {
+		c.Error(err)
+		return
+	}
+
+	var credentialDto dto.WebauthnCredentialDto
+	if err := dto.MapStruct(credential, &credentialDto); err != nil {
+		c.Error(err)
+		return
+	}
+
+	c.JSON(http.StatusOK, credentialDto)
+}
+
+func (wc *WebauthnController) beginLoginHandler(c *gin.Context) {
+	options, err := wc.webAuthnService.BeginLogin()
+	if err != nil {
+		c.Error(err)
+		return
+	}
+
+	cookie.AddSessionIdCookie(c, int(options.Timeout.Seconds()), options.SessionID)
+	c.JSON(http.StatusOK, options.Response)
+}
+
+func (wc *WebauthnController) verifyLoginHandler(c *gin.Context) {
+	sessionID, err := c.Cookie(cookie.SessionIdCookieName)
+	if err != nil {
+		c.Error(&common.MissingSessionIdError{})
+		return
+	}
+
+	credentialAssertionData, err := protocol.ParseCredentialRequestResponseBody(c.Request.Body)
+	if err != nil {
+		c.Error(err)
+		return
+	}
+
+	user, token, err := wc.webAuthnService.VerifyLogin(sessionID, credentialAssertionData, c.ClientIP(), c.Request.UserAgent())
+	if err != nil {
+		c.Error(err)
+		return
+	}
+
+	var userDto dto.UserDto
+	if err := dto.MapStruct(user, &userDto); err != nil {
+		c.Error(err)
+		return
+	}
+
+	sessionDurationInMinutesParsed, _ := strconv.Atoi(wc.appConfigService.DbConfig.SessionDuration.Value)
+	maxAge := sessionDurationInMinutesParsed * 60
+	cookie.AddAccessTokenCookie(c, maxAge, token)
+
+	c.JSON(http.StatusOK, userDto)
+}
+
+func (wc *WebauthnController) listCredentialsHandler(c *gin.Context) {
+	userID := c.GetString("userID")
+	credentials, err := wc.webAuthnService.ListCredentials(userID)
+	if err != nil {
+		c.Error(err)
+		return
+	}
+
+	var credentialDtos []dto.WebauthnCredentialDto
+	if err := dto.MapStructList(credentials, &credentialDtos); err != nil {
+		c.Error(err)
+		return
+	}
+
+	c.JSON(http.StatusOK, credentialDtos)
+}
+
+func (wc *WebauthnController) deleteCredentialHandler(c *gin.Context) {
+	userID := c.GetString("userID")
+	credentialID := c.Param("id")
+
+	err := wc.webAuthnService.DeleteCredential(userID, credentialID)
+	if err != nil {
+		c.Error(err)
+		return
+	}
+
+	c.Status(http.StatusNoContent)
+}
+
+func (wc *WebauthnController) updateCredentialHandler(c *gin.Context) {
+	userID := c.GetString("userID")
+	credentialID := c.Param("id")
+
+	var input dto.WebauthnCredentialUpdateDto
+	if err := c.ShouldBindJSON(&input); err != nil {
+		c.Error(err)
+		return
+	}
+
+	credential, err := wc.webAuthnService.UpdateCredential(userID, credentialID, input.Name)
+	if err != nil {
+		c.Error(err)
+		return
+	}
+
+	var credentialDto dto.WebauthnCredentialDto
+	if err := dto.MapStruct(credential, &credentialDto); err != nil {
+		c.Error(err)
+		return
+	}
+
+	c.JSON(http.StatusOK, credentialDto)
+}
+
+func (wc *WebauthnController) logoutHandler(c *gin.Context) {
+	cookie.AddAccessTokenCookie(c, 0, "")
+	c.Status(http.StatusNoContent)
+}

backend/internal/controller/well_known_controller.go

@@ -0,0 +1,47 @@
+package controller
+
+import (
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+	"github.com/pocket-id/pocket-id/backend/internal/common"
+	"github.com/pocket-id/pocket-id/backend/internal/service"
+)
+
+func NewWellKnownController(group *gin.RouterGroup, jwtService *service.JwtService) {
+	wkc := &WellKnownController{jwtService: jwtService}
+	group.GET("/.well-known/jwks.json", wkc.jwksHandler)
+	group.GET("/.well-known/openid-configuration", wkc.openIDConfigurationHandler)
+}
+
+type WellKnownController struct {
+	jwtService *service.JwtService
+}
+
+func (wkc *WellKnownController) jwksHandler(c *gin.Context) {
+	jwk, err := wkc.jwtService.GetJWK()
+	if err != nil {
+		c.Error(err)
+		return
+	}
+
+	c.JSON(http.StatusOK, gin.H{"keys": []interface{}{jwk}})
+}
+
+func (wkc *WellKnownController) openIDConfigurationHandler(c *gin.Context) {
+	appUrl := common.EnvConfig.AppURL
+	config := map[string]interface{}{
+		"issuer":                                appUrl,
+		"authorization_endpoint":                appUrl + "/authorize",
+		"token_endpoint":                        appUrl + "/api/oidc/token",
+		"userinfo_endpoint":                     appUrl + "/api/oidc/userinfo",
+		"end_session_endpoint":                  appUrl + "/api/oidc/end-session",
+		"jwks_uri":                              appUrl + "/.well-known/jwks.json",
+		"scopes_supported":                      []string{"openid", "profile", "email"},
+		"claims_supported":                      []string{"sub", "given_name", "family_name", "name", "email", "email_verified", "preferred_username", "picture"},
+		"response_types_supported":              []string{"code", "id_token"},
+		"subject_types_supported":               []string{"public"},
+		"id_token_signing_alg_values_supported": []string{"RS256"},
+	}
+	c.JSON(http.StatusOK, config)
+}

backend/internal/dto/app_config_dto.go

@@ -0,0 +1,46 @@
+package dto
+
+type PublicAppConfigVariableDto struct {
+	Key   string `json:"key"`
+	Type  string `json:"type"`
+	Value string `json:"value"`
+}
+
+type AppConfigVariableDto struct {
+	PublicAppConfigVariableDto
+	IsPublic bool `json:"isPublic"`
+}
+
+type AppConfigUpdateDto struct {
+	AppName                            string `json:"appName" binding:"required,min=1,max=30"`
+	SessionDuration                    string `json:"sessionDuration" binding:"required"`
+	EmailsVerified                     string `json:"emailsVerified" binding:"required"`
+	AllowOwnAccountEdit                string `json:"allowOwnAccountEdit" binding:"required"`
+	SmtHost                            string `json:"smtpHost"`
+	SmtpPort                           string `json:"smtpPort"`
+	SmtpFrom                           string `json:"smtpFrom" binding:"omitempty,email"`
+	SmtpUser                           string `json:"smtpUser"`
+	SmtpPassword                       string `json:"smtpPassword"`
+	SmtpTls                            string `json:"smtpTls"`
+	SmtpSkipCertVerify                 string `json:"smtpSkipCertVerify"`
+	LdapEnabled                        string `json:"ldapEnabled" binding:"required"`
+	LdapUrl                            string `json:"ldapUrl"`
+	LdapBindDn                         string `json:"ldapBindDn"`
+	LdapBindPassword                   string `json:"ldapBindPassword"`
+	LdapBase                           string `json:"ldapBase"`
+	LdapUserSearchFilter               string `json:"ldapUserSearchFilter"`
+	LdapUserGroupSearchFilter          string `json:"ldapUserGroupSearchFilter"`
+	LdapSkipCertVerify                 string `json:"ldapSkipCertVerify"`
+	LdapAttributeUserUniqueIdentifier  string `json:"ldapAttributeUserUniqueIdentifier"`
+	LdapAttributeUserUsername          string `json:"ldapAttributeUserUsername"`
+	LdapAttributeUserEmail             string `json:"ldapAttributeUserEmail"`
+	LdapAttributeUserFirstName         string `json:"ldapAttributeUserFirstName"`
+	LdapAttributeUserLastName          string `json:"ldapAttributeUserLastName"`
+	LdapAttributeUserProfilePicture    string `json:"ldapAttributeUserProfilePicture"`
+	LdapAttributeGroupMember           string `json:"ldapAttributeGroupMember"`
+	LdapAttributeGroupUniqueIdentifier string `json:"ldapAttributeGroupUniqueIdentifier"`
+	LdapAttributeGroupName             string `json:"ldapAttributeGroupName"`
+	LdapAttributeAdminGroup            string `json:"ldapAttributeAdminGroup"`
+	EmailOneTimeAccessEnabled          string `json:"emailOneTimeAccessEnabled" binding:"required"`
+	EmailLoginNotificationEnabled      string `json:"emailLoginNotificationEnabled" binding:"required"`
+}

backend/internal/dto/audit_log_dto.go

@@ -0,0 +1,19 @@
+package dto
+
+import (
+	"github.com/pocket-id/pocket-id/backend/internal/model"
+	datatype "github.com/pocket-id/pocket-id/backend/internal/model/types"
+)
+
+type AuditLogDto struct {
+	ID        string            `json:"id"`
+	CreatedAt datatype.DateTime `json:"createdAt"`
+
+	Event     model.AuditLogEvent `json:"event"`
+	IpAddress string              `json:"ipAddress"`
+	Country   string              `json:"country"`
+	City      string              `json:"city"`
+	Device    string              `json:"device"`
+	UserID    string              `json:"userID"`
+	Data      model.AuditLogData  `json:"data"`
+}

backend/internal/dto/custom_claim_dto.go

@@ -0,0 +1,11 @@
+package dto
+
+type CustomClaimDto struct {
+	Key   string `json:"key"`
+	Value string `json:"value"`
+}
+
+type CustomClaimCreateDto struct {
+	Key   string `json:"key" binding:"required,claimKey"`
+	Value string `json:"value" binding:"required"`
+}

backend/internal/dto/dto_mapper.go

@@ -0,0 +1,117 @@
+package dto
+
+import (
+	"errors"
+	"reflect"
+	"time"
+
+	datatype "github.com/pocket-id/pocket-id/backend/internal/model/types"
+)
+
+// MapStructList maps a list of source structs to a list of destination structs
+func MapStructList[S any, D any](source []S, destination *[]D) error {
+	*destination = make([]D, 0, len(source))
+
+	for _, item := range source {
+		var destItem D
+		if err := MapStruct(item, &destItem); err != nil {
+			return err
+		}
+		*destination = append(*destination, destItem)
+	}
+	return nil
+}
+
+// MapStruct maps a source struct to a destination struct
+func MapStruct[S any, D any](source S, destination *D) error {
+	// Ensure destination is a non-nil pointer
+	destValue := reflect.ValueOf(destination)
+	if destValue.Kind() != reflect.Ptr || destValue.IsNil() {
+		return errors.New("destination must be a non-nil pointer to a struct")
+	}
+
+	// Ensure source is a struct
+	sourceValue := reflect.ValueOf(source)
+	if sourceValue.Kind() != reflect.Struct {
+		return errors.New("source must be a struct")
+	}
+
+	return mapStructInternal(sourceValue, destValue.Elem())
+}
+
+func mapStructInternal(sourceVal reflect.Value, destVal reflect.Value) error {
+	// Loop through the fields of the destination struct
+	for i := 0; i < destVal.NumField(); i++ {
+		destField := destVal.Field(i)
+		destFieldType := destVal.Type().Field(i)
+
+		if destFieldType.Anonymous {
+			// Recursively handle embedded structs
+			if err := mapStructInternal(sourceVal, destField); err != nil {
+				return err
+			}
+			continue
+		}
+
+		sourceField := sourceVal.FieldByName(destFieldType.Name)
+
+		// If the source field is valid and can be assigned to the destination field
+		if sourceField.IsValid() && destField.CanSet() {
+			// Handle direct assignment for simple types
+			if sourceField.Type() == destField.Type() {
+				destField.Set(sourceField)
+
+			} else if sourceField.Kind() == reflect.Slice && destField.Kind() == reflect.Slice {
+				// Handle slices
+				if sourceField.Type().Elem() == destField.Type().Elem() {
+					// Direct assignment for slices of primitive types or non-struct elements
+					newSlice := reflect.MakeSlice(destField.Type(), sourceField.Len(), sourceField.Cap())
+
+					for j := 0; j < sourceField.Len(); j++ {
+						newSlice.Index(j).Set(sourceField.Index(j))
+					}
+
+					destField.Set(newSlice)
+
+				} else if sourceField.Type().Elem().Kind() == reflect.Struct && destField.Type().Elem().Kind() == reflect.Struct {
+					// Recursively map slices of structs
+					newSlice := reflect.MakeSlice(destField.Type(), sourceField.Len(), sourceField.Cap())
+
+					for j := 0; j < sourceField.Len(); j++ {
+						// Get the element from both source and destination slice
+						sourceElem := sourceField.Index(j)
+						destElem := reflect.New(destField.Type().Elem()).Elem()
+
+						// Recursively map the struct elements
+						if err := mapStructInternal(sourceElem, destElem); err != nil {
+							return err
+						}
+
+						// Set the mapped element in the new slice
+						newSlice.Index(j).Set(destElem)
+					}
+
+					destField.Set(newSlice)
+				}
+			} else if sourceField.Kind() == reflect.Struct && destField.Kind() == reflect.Struct {
+				// Recursively map nested structs
+				if err := mapStructInternal(sourceField, destField); err != nil {
+					return err
+				}
+			} else {
+				// Type switch for specific type conversions
+				switch sourceField.Interface().(type) {
+				case datatype.DateTime:
+					// Convert datatype.DateTime to time.Time
+					if sourceField.Type() == reflect.TypeOf(datatype.DateTime{}) && destField.Type() == reflect.TypeOf(time.Time{}) {
+						dateValue := sourceField.Interface().(datatype.DateTime)
+						destField.Set(reflect.ValueOf(dateValue.ToTime()))
+					}
+				}
+			}
+
+		}
+	}
+
+	return nil
+}

backend/internal/dto/oidc_dto.go

@@ -0,0 +1,70 @@
+package dto
+
+type PublicOidcClientDto struct {
+	ID      string `json:"id"`
+	Name    string `json:"name"`
+	HasLogo bool   `json:"hasLogo"`
+}
+
+type OidcClientDto struct {
+	PublicOidcClientDto
+	CallbackURLs       []string `json:"callbackURLs"`
+	LogoutCallbackURLs []string `json:"logoutCallbackURLs"`
+	IsPublic           bool     `json:"isPublic"`
+	PkceEnabled        bool     `json:"pkceEnabled"`
+}
+
+type OidcClientWithAllowedUserGroupsDto struct {
+	PublicOidcClientDto
+	CallbackURLs       []string                    `json:"callbackURLs"`
+	LogoutCallbackURLs []string                    `json:"logoutCallbackURLs"`
+	IsPublic           bool                        `json:"isPublic"`
+	PkceEnabled        bool                        `json:"pkceEnabled"`
+	AllowedUserGroups  []UserGroupDtoWithUserCount `json:"allowedUserGroups"`
+}
+
+type OidcClientCreateDto struct {
+	Name               string   `json:"name" binding:"required,max=50"`
+	CallbackURLs       []string `json:"callbackURLs" binding:"required"`
+	LogoutCallbackURLs []string `json:"logoutCallbackURLs"`
+	IsPublic           bool     `json:"isPublic"`
+	PkceEnabled        bool     `json:"pkceEnabled"`
+}
+
+type AuthorizeOidcClientRequestDto struct {
+	ClientID            string `json:"clientID" binding:"required"`
+	Scope               string `json:"scope" binding:"required"`
+	CallbackURL         string `json:"callbackURL"`
+	Nonce               string `json:"nonce"`
+	CodeChallenge       string `json:"codeChallenge"`
+	CodeChallengeMethod string `json:"codeChallengeMethod"`
+}
+
+type AuthorizeOidcClientResponseDto struct {
+	Code        string `json:"code"`
+	CallbackURL string `json:"callbackURL"`
+}
+
+type AuthorizationRequiredDto struct {
+	ClientID string `json:"clientID" binding:"required"`
+	Scope    string `json:"scope" binding:"required"`
+}
+
+type OidcCreateTokensDto struct {
+	GrantType    string `form:"grant_type" binding:"required"`
+	Code         string `form:"code" binding:"required"`
+	ClientID     string `form:"client_id"`
+	ClientSecret string `form:"client_secret"`
+	CodeVerifier string `form:"code_verifier"`
+}
+
+type OidcUpdateAllowedUserGroupsDto struct {
+	UserGroupIDs []string `json:"userGroupIds" binding:"required"`
+}
+
+type OidcLogoutDto struct {
+	IdTokenHint           string `form:"id_token_hint"`
+	ClientId              string `form:"client_id"`
+	PostLogoutRedirectUri string `form:"post_logout_redirect_uri"`
+	State                 string `form:"state"`
+}

backend/internal/dto/user_dto.go

@@ -0,0 +1,33 @@
+package dto
+
+import "time"
+
+type UserDto struct {
+	ID           string           `json:"id"`
+	Username     string           `json:"username"`
+	Email        string           `json:"email" `
+	FirstName    string           `json:"firstName"`
+	LastName     string           `json:"lastName"`
+	IsAdmin      bool             `json:"isAdmin"`
+	CustomClaims []CustomClaimDto `json:"customClaims"`
+	LdapID       *string          `json:"ldapId"`
+}
+
+type UserCreateDto struct {
+	Username  string `json:"username" binding:"required,username,min=2,max=50"`
+	Email     string `json:"email" binding:"required,email"`
+	FirstName string `json:"firstName" binding:"required,min=1,max=50"`
+	LastName  string `json:"lastName" binding:"required,min=1,max=50"`
+	IsAdmin   bool   `json:"isAdmin"`
+	LdapID    string `json:"-"`
+}
+
+type OneTimeAccessTokenCreateDto struct {
+	UserID    string    `json:"userId" binding:"required"`
+	ExpiresAt time.Time `json:"expiresAt" binding:"required"`
+}
+
+type OneTimeAccessEmailDto struct {
+	Email        string `json:"email" binding:"required,email"`
+	RedirectPath string `json:"redirectPath"`
+}

backend/internal/dto/user_group_dto.go

@@ -0,0 +1,35 @@
+package dto
+
+import (
+	datatype "github.com/pocket-id/pocket-id/backend/internal/model/types"
+)
+
+type UserGroupDtoWithUsers struct {
+	ID           string            `json:"id"`
+	FriendlyName string            `json:"friendlyName"`
+	Name         string            `json:"name"`
+	CustomClaims []CustomClaimDto  `json:"customClaims"`
+	Users        []UserDto         `json:"users"`
+	LdapID       *string           `json:"ldapId"`
+	CreatedAt    datatype.DateTime `json:"createdAt"`
+}
+
+type UserGroupDtoWithUserCount struct {
+	ID           string            `json:"id"`
+	FriendlyName string            `json:"friendlyName"`
+	Name         string            `json:"name"`
+	CustomClaims []CustomClaimDto  `json:"customClaims"`
+	UserCount    int64             `json:"userCount"`
+	LdapID       *string           `json:"ldapId"`
+	CreatedAt    datatype.DateTime `json:"createdAt"`
+}
+
+type UserGroupCreateDto struct {
+	FriendlyName string `json:"friendlyName" binding:"required,min=2,max=50"`
+	Name         string `json:"name" binding:"required,min=2,max=255"`
+	LdapID       string `json:"-"`
+}
+
+type UserGroupUpdateUsersDto struct {
+	UserIDs []string `json:"userIds" binding:"required"`
+}

backend/internal/dto/validations.go

@@ -0,0 +1,37 @@
+package dto
+
+import (
+	"github.com/gin-gonic/gin/binding"
+	"github.com/go-playground/validator/v10"
+	"log"
+	"regexp"
+)
+
+var validateUsername validator.Func = func(fl validator.FieldLevel) bool {
+	// [a-zA-Z0-9]      : The username must start with an alphanumeric character
+	// [a-zA-Z0-9_.@-]* : The rest of the username can contain alphanumeric characters, dots, underscores, hyphens, and "@" symbols
+	// [a-zA-Z0-9]$     : The username must end with an alphanumeric character
+	regex := "^[a-zA-Z0-9][a-zA-Z0-9_.@-]*[a-zA-Z0-9]$"
+	matched, _ := regexp.MatchString(regex, fl.Field().String())
+	return matched
+}
+
+var validateClaimKey validator.Func = func(fl validator.FieldLevel) bool {
+	// The string can only contain letters and numbers
+	regex := "^[A-Za-z0-9]*$"
+	matched, _ := regexp.MatchString(regex, fl.Field().String())
+	return matched
+}
+
+func init() {
+	if v, ok := binding.Validator.Engine().(*validator.Validate); ok {
+		if err := v.RegisterValidation("username", validateUsername); err != nil {
+			log.Fatalf("Failed to register custom validation: %v", err)
+		}
+	}
+	if v, ok := binding.Validator.Engine().(*validator.Validate); ok {
+		if err := v.RegisterValidation("claimKey", validateClaimKey); err != nil {
+			log.Fatalf("Failed to register custom validation: %v", err)
+		}
+	}
+}

backend/internal/dto/webauthn_dto.go

@@ -0,0 +1,23 @@
+package dto
+
+import (
+	"github.com/go-webauthn/webauthn/protocol"
+	datatype "github.com/pocket-id/pocket-id/backend/internal/model/types"
+)
+
+type WebauthnCredentialDto struct {
+	ID              string                            `json:"id"`
+	Name            string                            `json:"name"`
+	CredentialID    string                            `json:"credentialID"`
+	AttestationType string                            `json:"attestationType"`
+	Transport       []protocol.AuthenticatorTransport `json:"transport"`
+
+	BackupEligible bool `json:"backupEligible"`
+	BackupState    bool `json:"backupState"`
+
+	CreatedAt datatype.DateTime `json:"createdAt"`
+}
+
+type WebauthnCredentialUpdateDto struct {
+	Name string `json:"name" binding:"required,min=1,max=30"`
+}

backend/internal/handler/application_configuration.go

@@ -1,196 +0,0 @@
-package handler
-
-import (
-	"errors"
-	"fmt"
-	"github.com/gin-gonic/gin"
-	"golang-rest-api-template/internal/common"
-	"golang-rest-api-template/internal/common/middleware"
-	"golang-rest-api-template/internal/model"
-	"golang-rest-api-template/internal/utils"
-	"gorm.io/gorm"
-	"net/http"
-	"os"
-	"reflect"
-)
-
-func RegisterConfigurationRoutes(group *gin.RouterGroup) {
-	group.GET("/application-configuration", listApplicationConfigurationHandler)
-	group.GET("/application-configuration/all", middleware.JWTAuth(true), listAllApplicationConfigurationHandler)
-	group.PUT("/application-configuration", updateApplicationConfigurationHandler)
-
-	group.GET("/application-configuration/logo", getLogoHandler)
-	group.GET("/application-configuration/background-image", getBackgroundImageHandler)
-	group.GET("/application-configuration/favicon", getFaviconHandler)
-	group.PUT("/application-configuration/logo", middleware.JWTAuth(true), updateLogoHandler)
-	group.PUT("/application-configuration/favicon", middleware.JWTAuth(true), updateFaviconHandler)
-	group.PUT("/application-configuration/background-image", middleware.JWTAuth(true), updateBackgroundImageHandler)
-}
-
-func listApplicationConfigurationHandler(c *gin.Context) {
-	listApplicationConfiguration(c, false)
-}
-
-func listAllApplicationConfigurationHandler(c *gin.Context) {
-	listApplicationConfiguration(c, true)
-}
-
-func updateApplicationConfigurationHandler(c *gin.Context) {
-	var input model.ApplicationConfigurationUpdateDto
-	if err := c.ShouldBindJSON(&input); err != nil {
-		utils.HandlerError(c, http.StatusBadRequest, "invalid request body")
-		return
-	}
-
-	savedConfigVariables := make([]model.ApplicationConfigurationVariable, 10)
-
-	tx := common.DB.Begin()
-	rt := reflect.ValueOf(input).Type()
-	rv := reflect.ValueOf(input)
-
-	// Loop over the input struct fields and update the related configuration variables
-	for i := 0; i < rt.NumField(); i++ {
-		field := rt.Field(i)
-		key := field.Tag.Get("json")
-		value := rv.FieldByName(field.Name).String()
-
-		// Get the existing configuration variable from the db
-		var applicationConfigurationVariable model.ApplicationConfigurationVariable
-		if err := tx.First(&applicationConfigurationVariable, "key = ? AND is_internal = false", key).Error; err != nil {
-			tx.Rollback()
-			if errors.Is(err, gorm.ErrRecordNotFound) {
-				utils.HandlerError(c, http.StatusNotFound, fmt.Sprintf("Invalid configuration variable '%s'", value))
-			} else {
-				utils.UnknownHandlerError(c, err)
-			}
-			return
-		}
-
-		// Update the value of the existing configuration variable and save it
-		applicationConfigurationVariable.Value = value
-		if err := tx.Save(&applicationConfigurationVariable).Error; err != nil {
-			tx.Rollback()
-			utils.UnknownHandlerError(c, err)
-			return
-		}
-
-		savedConfigVariables[i] = applicationConfigurationVariable
-	}
-
-	tx.Commit()
-
-	if err := common.LoadDbConfigFromDb(); err != nil {
-		utils.UnknownHandlerError(c, err)
-	}
-
-	c.JSON(http.StatusOK, savedConfigVariables)
-
-}
-
-func getLogoHandler(c *gin.Context) {
-	imagType := common.DbConfig.LogoImageType.Value
-	getImage(c, "logo", imagType)
-}
-
-func getFaviconHandler(c *gin.Context) {
-	getImage(c, "favicon", "ico")
-}
-
-func getBackgroundImageHandler(c *gin.Context) {
-	imageType := common.DbConfig.BackgroundImageType.Value
-	getImage(c, "background", imageType)
-}
-
-func updateLogoHandler(c *gin.Context) {
-	imageType := common.DbConfig.LogoImageType.Value
-	updateImage(c, "logo", imageType)
-}
-
-func updateFaviconHandler(c *gin.Context) {
-	file, err := c.FormFile("file")
-	if err != nil {
-		utils.HandlerError(c, http.StatusBadRequest, "invalid request body")
-		return
-	}
-	fileType := utils.GetFileExtension(file.Filename)
-	if fileType != "ico" {
-		utils.HandlerError(c, http.StatusBadRequest, "File must be of type .ico")
-		return
-	}
-	updateImage(c, "favicon", "ico")
-}
-
-func updateBackgroundImageHandler(c *gin.Context) {
-	imagType := common.DbConfig.BackgroundImageType.Value
-	updateImage(c, "background", imagType)
-}
-
-func getImage(c *gin.Context, name string, imageType string) {
-	imagePath := fmt.Sprintf("%s/application-images/%s.%s", common.EnvConfig.UploadPath, name, imageType)
-	mimeType := utils.GetImageMimeType(imageType)
-
-	c.Header("Content-Type", mimeType)
-	c.File(imagePath)
-}
-
-func updateImage(c *gin.Context, imageName string, oldImageType string) {
-	file, err := c.FormFile("file")
-	if err != nil {
-		utils.HandlerError(c, http.StatusBadRequest, "invalid request body")
-		return
-	}
-
-	fileType := utils.GetFileExtension(file.Filename)
-	if mimeType := utils.GetImageMimeType(fileType); mimeType == "" {
-		utils.HandlerError(c, http.StatusBadRequest, "File type not supported")
-		return
-	}
-
-	// Delete the old image if it has a different file type
-	if fileType != oldImageType {
-		oldImagePath := fmt.Sprintf("%s/application-images/%s.%s", common.EnvConfig.UploadPath, imageName, oldImageType)
-		if err := os.Remove(oldImagePath); err != nil {
-			utils.UnknownHandlerError(c, err)
-			return
-		}
-	}
-
-	imagePath := fmt.Sprintf("%s/application-images/%s.%s", common.EnvConfig.UploadPath, imageName, fileType)
-	err = c.SaveUploadedFile(file, imagePath)
-	if err != nil {
-		utils.UnknownHandlerError(c, err)
-		return
-	}
-
-	// Update the file type in the database
-	key := fmt.Sprintf("%sImageType", imageName)
-	err = common.DB.Model(&model.ApplicationConfigurationVariable{}).Where("key = ?", key).Update("value", fileType).Error
-	if err != nil {
-		utils.UnknownHandlerError(c, err)
-		return
-	}
-
-	if err := common.LoadDbConfigFromDb(); err != nil {
-		utils.UnknownHandlerError(c, err)
-	}
-
-	c.Status(http.StatusNoContent)
-}
-
-func listApplicationConfiguration(c *gin.Context, showAll bool) {
-	var configuration []model.ApplicationConfigurationVariable
-	var err error
-
-	if showAll {
-		err = common.DB.Find(&configuration).Error
-	} else {
-		err = common.DB.Find(&configuration, "is_public = true").Error
-	}
-
-	if err != nil {
-		utils.UnknownHandlerError(c, err)
-		return
-	}
-
-	c.JSON(200, configuration)
-}

backend/internal/handler/oidc.go

@@ -1,415 +0,0 @@
-package handler
-
-import (
-	"errors"
-	"fmt"
-	"github.com/gin-gonic/gin"
-	"golang-rest-api-template/internal/common"
-	"golang-rest-api-template/internal/common/middleware"
-	"golang-rest-api-template/internal/model"
-	"golang-rest-api-template/internal/utils"
-	"golang.org/x/crypto/bcrypt"
-	"gorm.io/gorm"
-	"net/http"
-	"os"
-	"time"
-)
-
-func RegisterOIDCRoutes(group *gin.RouterGroup) {
-	group.POST("/oidc/authorize", middleware.JWTAuth(false), authorizeHandler)
-	group.POST("/oidc/authorize/new-client", middleware.JWTAuth(false), authorizeNewClientHandler)
-	group.POST("/oidc/token", createIDTokenHandler)
-
-	group.GET("/oidc/clients", middleware.JWTAuth(true), listClientsHandler)
-	group.POST("/oidc/clients", middleware.JWTAuth(true), createClientHandler)
-	group.GET("/oidc/clients/:id", getClientHandler)
-	group.PUT("/oidc/clients/:id", middleware.JWTAuth(true), updateClientHandler)
-	group.DELETE("/oidc/clients/:id", middleware.JWTAuth(true), deleteClientHandler)
-
-	group.POST("/oidc/clients/:id/secret", middleware.JWTAuth(true), createClientSecretHandler)
-
-	group.GET("/oidc/clients/:id/logo", getClientLogoHandler)
-	group.DELETE("/oidc/clients/:id/logo", deleteClientLogoHandler)
-	group.POST("/oidc/clients/:id/logo", middleware.JWTAuth(true), middleware.LimitFileSize(2<<20), updateClientLogoHandler)
-}
-
-type AuthorizeRequest struct {
-	ClientID string `json:"clientID" binding:"required"`
-	Scope    string `json:"scope" binding:"required"`
-	Nonce    string `json:"nonce"`
-}
-
-func authorizeHandler(c *gin.Context) {
-	var parsedBody AuthorizeRequest
-	if err := c.ShouldBindJSON(&parsedBody); err != nil {
-		utils.HandlerError(c, http.StatusBadRequest, "invalid request body")
-		return
-	}
-
-	var userAuthorizedOIDCClient model.UserAuthorizedOidcClient
-	common.DB.First(&userAuthorizedOIDCClient, "client_id = ? AND user_id = ?", parsedBody.ClientID, c.GetString("userID"))
-
-	// If the record isn't found or the scope is different return an error
-	// The client will have to call the authorizeNewClientHandler
-	if userAuthorizedOIDCClient.Scope != parsedBody.Scope {
-		utils.HandlerError(c, http.StatusForbidden, "missing authorization")
-		return
-	}
-
-	authorizationCode, err := createAuthorizationCode(parsedBody.ClientID, c.GetString("userID"), parsedBody.Scope, parsedBody.Nonce)
-	if err != nil {
-		utils.UnknownHandlerError(c, err)
-		return
-	}
-
-	c.JSON(http.StatusOK, gin.H{"code": authorizationCode})
-}
-
-// authorizeNewClientHandler authorizes a new client for the user
-// a new client is a new client when the user has not authorized the client before
-func authorizeNewClientHandler(c *gin.Context) {
-	var parsedBody model.AuthorizeNewClientDto
-	if err := c.ShouldBindJSON(&parsedBody); err != nil {
-		utils.HandlerError(c, http.StatusBadRequest, "invalid request body")
-		return
-	}
-
-	userAuthorizedClient := model.UserAuthorizedOidcClient{
-		UserID:   c.GetString("userID"),
-		ClientID: parsedBody.ClientID,
-		Scope:    parsedBody.Scope,
-	}
-	err := common.DB.Create(&userAuthorizedClient).Error
-
-	if err != nil && errors.Is(err, gorm.ErrDuplicatedKey) {
-		err = common.DB.Model(&userAuthorizedClient).Update("scope", parsedBody.Scope).Error
-	}
-
-	if err != nil {
-		utils.UnknownHandlerError(c, err)
-		return
-	}
-
-	authorizationCode, err := createAuthorizationCode(parsedBody.ClientID, c.GetString("userID"), parsedBody.Scope, parsedBody.Nonce)
-	if err != nil {
-		utils.UnknownHandlerError(c, err)
-		return
-	}
-
-	c.JSON(http.StatusOK, gin.H{"code": authorizationCode})
-
-}
-
-func createIDTokenHandler(c *gin.Context) {
-	var body model.OidcIdTokenDto
-
-	if err := c.ShouldBind(&body); err != nil {
-		utils.HandlerError(c, http.StatusBadRequest, "invalid request body")
-		return
-	}
-
-	// Currently only authorization_code grant type is supported
-	if body.GrantType != "authorization_code" {
-		utils.HandlerError(c, http.StatusBadRequest, "grant type not supported")
-		return
-	}
-
-	clientID := body.ClientID
-	clientSecret := body.ClientSecret
-
-	// Client id and secret can also be passed over the Authorization header
-	if clientID == "" || clientSecret == "" {
-		var ok bool
-		clientID, clientSecret, ok = c.Request.BasicAuth()
-		if !ok {
-			utils.HandlerError(c, http.StatusBadRequest, "Client id and secret not provided")
-			return
-		}
-	}
-
-	// Get the client
-	var client model.OidcClient
-	err := common.DB.First(&client, "id = ?", clientID, clientSecret).Error
-	if err != nil {
-		utils.HandlerError(c, http.StatusBadRequest, "OIDC OIDC client not found")
-		return
-	}
-
-	// Check if client secret is correct
-	err = bcrypt.CompareHashAndPassword([]byte(client.Secret), []byte(clientSecret))
-	if err != nil {
-		utils.HandlerError(c, http.StatusBadRequest, "invalid client secret")
-		return
-	}
-
-	var authorizationCodeMetaData model.OidcAuthorizationCode
-	err = common.DB.Preload("User").First(&authorizationCodeMetaData, "code = ?", body.Code).Error
-	if err != nil {
-		utils.HandlerError(c, http.StatusBadRequest, "invalid authorization code")
-		return
-	}
-
-	// Check if the client id matches the client id in the authorization code and if the code has expired
-	if authorizationCodeMetaData.ClientID != clientID && authorizationCodeMetaData.ExpiresAt.Before(time.Now()) {
-		utils.HandlerError(c, http.StatusBadRequest, "invalid authorization code")
-		return
-	}
-
-	idToken, e := common.GenerateIDToken(authorizationCodeMetaData.User, clientID, authorizationCodeMetaData.Scope, authorizationCodeMetaData.Nonce)
-	if e != nil {
-		utils.UnknownHandlerError(c, err)
-		return
-	}
-
-	// Delete the authorization code after it has been used
-	common.DB.Delete(&authorizationCodeMetaData)
-
-	c.JSON(http.StatusOK, gin.H{"id_token": idToken})
-}
-
-func getClientHandler(c *gin.Context) {
-	clientId := c.Param("id")
-
-	var client model.OidcClient
-	err := common.DB.First(&client, "id = ?", clientId).Error
-	if err != nil {
-		utils.HandlerError(c, http.StatusNotFound, "OIDC client not found")
-		return
-	}
-
-	c.JSON(http.StatusOK, client)
-}
-
-func listClientsHandler(c *gin.Context) {
-	var clients []model.OidcClient
-	searchTerm := c.Query("search")
-
-	query := common.DB.Model(&model.OidcClient{})
-
-	if searchTerm != "" {
-		searchPattern := "%" + searchTerm + "%"
-		query = query.Where("name LIKE ?", searchPattern)
-	}
-
-	pagination, err := utils.Paginate(c, query, &clients)
-	if err != nil {
-		utils.UnknownHandlerError(c, err)
-		return
-	}
-
-	c.JSON(http.StatusOK, gin.H{
-		"data":       clients,
-		"pagination": pagination,
-	})
-}
-
-func createClientHandler(c *gin.Context) {
-	var input model.OidcClientCreateDto
-	if err := c.ShouldBindJSON(&input); err != nil {
-		utils.HandlerError(c, http.StatusBadRequest, "invalid request body")
-		return
-	}
-
-	client := model.OidcClient{
-		Name:        input.Name,
-		CallbackURL: input.CallbackURL,
-		CreatedByID: c.GetString("userID"),
-	}
-
-	if err := common.DB.Create(&client).Error; err != nil {
-		utils.UnknownHandlerError(c, err)
-		return
-	}
-
-	c.JSON(http.StatusCreated, client)
-}
-
-func deleteClientHandler(c *gin.Context) {
-	var client model.OidcClient
-	if err := common.DB.First(&client, "id = ?", c.Param("id")).Error; err != nil {
-		utils.HandlerError(c, http.StatusNotFound, "OIDC OIDC client not found")
-		return
-	}
-
-	if err := common.DB.Delete(&client).Error; err != nil {
-		utils.UnknownHandlerError(c, err)
-		return
-	}
-
-	c.Status(http.StatusNoContent)
-}
-
-func updateClientHandler(c *gin.Context) {
-	var input model.OidcClientCreateDto
-	if err := c.ShouldBindJSON(&input); err != nil {
-		utils.HandlerError(c, http.StatusBadRequest, "invalid request body")
-		return
-	}
-
-	var client model.OidcClient
-	if err := common.DB.First(&client, "id = ?", c.Param("id")).Error; err != nil {
-		if errors.Is(err, gorm.ErrRecordNotFound) {
-			utils.HandlerError(c, http.StatusNotFound, "OIDC client not found")
-			return
-		}
-		utils.UnknownHandlerError(c, err)
-		return
-	}
-
-	client.Name = input.Name
-	client.CallbackURL = input.CallbackURL
-
-	if err := common.DB.Save(&client).Error; err != nil {
-		utils.UnknownHandlerError(c, err)
-		return
-	}
-
-	c.JSON(http.StatusNoContent, client)
-}
-
-// createClientSecretHandler creates a new secret for the client and revokes the old one
-func createClientSecretHandler(c *gin.Context) {
-	var client model.OidcClient
-	if err := common.DB.First(&client, "id = ?", c.Param("id")).Error; err != nil {
-		if errors.Is(err, gorm.ErrRecordNotFound) {
-			utils.HandlerError(c, http.StatusNotFound, "OIDC client not found")
-			return
-		}
-		utils.UnknownHandlerError(c, err)
-		return
-	}
-
-	clientSecret, err := utils.GenerateRandomAlphanumericString(32)
-	if err != nil {
-		utils.UnknownHandlerError(c, err)
-		return
-	}
-
-	hashedSecret, err := bcrypt.GenerateFromPassword([]byte(clientSecret), bcrypt.DefaultCost)
-	if err != nil {
-		utils.UnknownHandlerError(c, err)
-		return
-	}
-
-	client.Secret = string(hashedSecret)
-	if err := common.DB.Save(&client).Error; err != nil {
-		utils.UnknownHandlerError(c, err)
-		return
-	}
-
-	c.JSON(http.StatusOK, gin.H{"secret": clientSecret})
-}
-
-func getClientLogoHandler(c *gin.Context) {
-	var client model.OidcClient
-	if err := common.DB.First(&client, "id = ?", c.Param("id")).Error; err != nil {
-		utils.HandlerError(c, http.StatusNotFound, "OIDC client not found")
-		return
-	}
-
-	if client.ImageType == nil {
-		utils.HandlerError(c, http.StatusNotFound, "image not found")
-		return
-	}
-
-	imageType := *client.ImageType
-
-	imagePath := fmt.Sprintf("%s/oidc-client-images/%s.%s", common.EnvConfig.UploadPath, client.ID, imageType)
-	mimeType := utils.GetImageMimeType(imageType)
-
-	c.Header("Content-Type", mimeType)
-	c.File(imagePath)
-}
-
-func updateClientLogoHandler(c *gin.Context) {
-	file, err := c.FormFile("file")
-	if err != nil {
-		utils.HandlerError(c, http.StatusBadRequest, "invalid request body")
-		return
-	}
-
-	fileType := utils.GetFileExtension(file.Filename)
-	if mimeType := utils.GetImageMimeType(fileType); mimeType == "" {
-		utils.HandlerError(c, http.StatusBadRequest, "file type not supported")
-		return
-	}
-
-	imagePath := fmt.Sprintf("%s/oidc-client-images/%s.%s", common.EnvConfig.UploadPath, c.Param("id"), fileType)
-	err = c.SaveUploadedFile(file, imagePath)
-	if err != nil {
-		utils.UnknownHandlerError(c, err)
-		return
-	}
-
-	var client model.OidcClient
-	if err := common.DB.First(&client, "id = ?", c.Param("id")).Error; err != nil {
-		utils.HandlerError(c, http.StatusNotFound, "OIDC client not found")
-		return
-	}
-
-	// Delete the old image if it has a different file type
-	if client.ImageType != nil && fileType != *client.ImageType {
-		oldImagePath := fmt.Sprintf("%s/oidc-client-images/%s.%s", common.EnvConfig.UploadPath, client.ID, *client.ImageType)
-		if err := os.Remove(oldImagePath); err != nil {
-			utils.UnknownHandlerError(c, err)
-			return
-		}
-	}
-
-	client.ImageType = &fileType
-	if err := common.DB.Save(&client).Error; err != nil {
-		utils.UnknownHandlerError(c, err)
-		return
-	}
-
-	c.Status(http.StatusNoContent)
-}
-
-func deleteClientLogoHandler(c *gin.Context) {
-	var client model.OidcClient
-	if err := common.DB.First(&client, "id = ?", c.Param("id")).Error; err != nil {
-		utils.HandlerError(c, http.StatusNotFound, "OIDC client not found")
-		return
-	}
-
-	if client.ImageType == nil {
-		utils.HandlerError(c, http.StatusNotFound, "image not found")
-		return
-	}
-
-	imagePath := fmt.Sprintf("%s/oidc-client-images/%s.%s", common.EnvConfig.UploadPath, client.ID, *client.ImageType)
-	if err := os.Remove(imagePath); err != nil {
-		utils.UnknownHandlerError(c, err)
-		return
-	}
-
-	client.ImageType = nil
-	if err := common.DB.Save(&client).Error; err != nil {
-		utils.UnknownHandlerError(c, err)
-		return
-	}
-
-	c.Status(http.StatusNoContent)
-}
-
-func createAuthorizationCode(clientID string, userID string, scope string, nonce string) (string, error) {
-	randomString, err := utils.GenerateRandomAlphanumericString(32)
-	if err != nil {
-		return "", err
-	}
-
-	oidcAuthorizationCode := model.OidcAuthorizationCode{
-		ExpiresAt: time.Now().Add(15 * time.Minute),
-		Code:      randomString,
-		ClientID:  clientID,
-		UserID:    userID,
-		Scope:     scope,
-		Nonce:     nonce,
-	}
-
-	if err := common.DB.Create(&oidcAuthorizationCode).Error; err != nil {
-		return "", err
-	}
-
-	return randomString, nil
-}

backend/internal/handler/test.go

@@ -1,237 +0,0 @@
-package handler
-
-import (
-	"crypto/ecdsa"
-	"crypto/x509"
-	"encoding/base64"
-	"log"
-	"os"
-	"time"
-
-	"github.com/fxamacker/cbor/v2"
-	"github.com/gin-gonic/gin"
-	"github.com/go-webauthn/webauthn/protocol"
-	"golang-rest-api-template/internal/common"
-	"golang-rest-api-template/internal/model"
-	"golang-rest-api-template/internal/utils"
-	"gorm.io/gorm"
-)
-
-func RegisterTestRoutes(group *gin.RouterGroup) {
-	group.POST("/test/reset", resetAndSeedHandler)
-}
-
-func resetAndSeedHandler(c *gin.Context) {
-	if err := resetDatabase(); err != nil {
-		utils.UnknownHandlerError(c, err)
-		return
-	}
-
-	if err := resetApplicationImages(); err != nil {
-		utils.UnknownHandlerError(c, err)
-		return
-	}
-
-	if err := seedDatabase(); err != nil {
-		utils.UnknownHandlerError(c, err)
-		return
-	}
-
-	c.JSON(200, gin.H{"message": "Database reset and seeded"})
-}
-
-// seedDatabase seeds the database with initial data and uses a transaction to ensure atomicity.
-func seedDatabase() error {
-	return common.DB.Transaction(func(tx *gorm.DB) error {
-		users := []model.User{
-			{
-				Base: model.Base{
-					ID: "f4b89dc2-62fb-46bf-9f5f-c34f4eafe93e",
-				},
-				Username:  "tim",
-				Email:     "tim.cook@test.com",
-				FirstName: "Tim",
-				LastName:  "Cook",
-				IsAdmin:   true,
-			},
-			{
-				Base: model.Base{
-					ID: "1cd19686-f9a6-43f4-a41f-14a0bf5b4036",
-				},
-				Username:  "craig",
-				Email:     "craig.federighi@test.com",
-				FirstName: "Craig",
-				LastName:  "Federighi",
-				IsAdmin:   false,
-			},
-		}
-		for _, user := range users {
-			if err := tx.Create(&user).Error; err != nil {
-				return err
-			}
-		}
-
-		oidcClients := []model.OidcClient{
-			{
-				Base: model.Base{
-					ID: "3654a746-35d4-4321-ac61-0bdcff2b4055",
-				},
-				Name:        "Nextcloud",
-				Secret:      "$2a$10$9dypwot8nGuCjT6wQWWpJOckZfRprhe2EkwpKizxS/fpVHrOLEJHC", // w2mUeZISmEvIDMEDvpY0PnxQIpj1m3zY
-				CallbackURL: "http://nextcloud/auth/callback",
-				ImageType:   utils.StringPointer("png"),
-				CreatedByID: users[0].ID,
-			},
-			{
-				Base: model.Base{
-					ID: "606c7782-f2b1-49e5-8ea9-26eb1b06d018",
-				},
-				Name:        "Immich",
-				Secret:      "$2a$10$Ak.FP8riD1ssy2AGGbG.gOpnp/rBpymd74j0nxNMtW0GG1Lb4gzxe", // PYjrE9u4v9GVqXKi52eur0eb2Ci4kc0x
-				CallbackURL: "http://immich/auth/callback",
-				CreatedByID: users[0].ID,
-			},
-		}
-		for _, client := range oidcClients {
-			if err := tx.Create(&client).Error; err != nil {
-				return err
-			}
-		}
-
-		authCode := model.OidcAuthorizationCode{
-			Code:      "auth-code",
-			Scope:     "openid profile",
-			Nonce:     "nonce",
-			ExpiresAt: time.Now().Add(1 * time.Hour),
-			UserID:    users[0].ID,
-			ClientID:  oidcClients[0].ID,
-		}
-		if err := tx.Create(&authCode).Error; err != nil {
-			return err
-		}
-
-		accessToken := model.OneTimeAccessToken{
-			Token:     "one-time-token",
-			ExpiresAt: time.Now().Add(1 * time.Hour),
-			UserID:    users[0].ID,
-		}
-		if err := tx.Create(&accessToken).Error; err != nil {
-			return err
-		}
-
-		userAuthorizedClient := model.UserAuthorizedOidcClient{
-			Scope:    "openid profile email",
-			UserID:   users[0].ID,
-			ClientID: oidcClients[0].ID,
-		}
-		if err := tx.Create(&userAuthorizedClient).Error; err != nil {
-			return err
-		}
-
-		webauthnCredentials := []model.WebauthnCredential{
-			{
-				Name:            "Passkey 1",
-				CredentialID:    "test-credential-1",
-				PublicKey:       getCborPublicKey("MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEwcOo5KV169KR67QEHrcYkeXE3CCxv2BgwnSq4VYTQxyLtdmKxegexa8JdwFKhKXa2BMI9xaN15BoL6wSCRFJhg=="),
-				AttestationType: "none",
-				Transport:       model.AuthenticatorTransportList{protocol.Internal},
-				UserID:          users[0].ID,
-			},
-			{
-				Name:            "Passkey 2",
-				CredentialID:    "test-credential-2",
-				PublicKey:       getCborPublicKey("MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAESq/wR8QbBu3dKnpaw/v0mDxFFDwnJ/L5XHSg2tAmq5x1BpSMmIr3+DxCbybVvGRmWGh8kKhy7SMnK91M6rFHTA=="),
-				AttestationType: "none",
-				Transport:       model.AuthenticatorTransportList{protocol.Internal},
-				UserID:          users[0].ID,
-			},
-		}
-		for _, credential := range webauthnCredentials {
-			if err := tx.Create(&credential).Error; err != nil {
-				return err
-			}
-		}
-
-		webauthnSession := model.WebauthnSession{
-			Challenge:        "challenge",
-			ExpiresAt:        time.Now().Add(1 * time.Hour),
-			UserVerification: "preferred",
-		}
-		if err := tx.Create(&webauthnSession).Error; err != nil {
-			return err
-		}
-
-		return nil
-	})
-}
-
-// resetDatabase resets the database by deleting all rows from each table.
-func resetDatabase() error {
-	err := common.DB.Transaction(func(tx *gorm.DB) error {
-		var tables []string
-		if err := tx.Raw("SELECT name FROM sqlite_master WHERE type='table' AND name NOT LIKE 'sqlite_%' AND name != 'schema_migrations';").Scan(&tables).Error; err != nil {
-			return err
-		}
-
-		for _, table := range tables {
-			if err := tx.Exec("DELETE FROM " + table).Error; err != nil {
-				return err
-			}
-		}
-		return nil
-	})
-	if err != nil {
-		return err
-	}
-	common.InitDbConfig()
-	return nil
-}
-
-// resetApplicationImages resets the application images by removing existing images and replacing them with the default ones
-func resetApplicationImages() error {
-
-	if err := os.RemoveAll(common.EnvConfig.UploadPath); err != nil {
-		log.Printf("Error removing directory: %v", err)
-		return err
-	}
-
-	if err := utils.CopyDirectory("./images", common.EnvConfig.UploadPath+"/application-images"); err != nil {
-		log.Printf("Error copying directory: %v", err)
-		return err
-	}
-
-	return nil
-}
-
-// getCborPublicKey decodes a Base64 encoded public key and returns the CBOR encoded COSE key
-func getCborPublicKey(base64PublicKey string) []byte {
-	decodedKey, err := base64.StdEncoding.DecodeString(base64PublicKey)
-	if err != nil {
-		log.Fatalf("Failed to decode base64 key: %v", err)
-	}
-
-	pubKey, err := x509.ParsePKIXPublicKey(decodedKey)
-	if err != nil {
-		log.Fatalf("Failed to parse public key: %v", err)
-	}
-
-	ecdsaPubKey, ok := pubKey.(*ecdsa.PublicKey)
-	if !ok {
-		log.Fatalf("Not an ECDSA public key")
-	}
-
-	coseKey := map[int]interface{}{
-		1:  2,                     // Key type: EC2
-		3:  -7,                    // Algorithm: ECDSA with SHA-256
-		-1: 1,                     // Curve: P-256
-		-2: ecdsaPubKey.X.Bytes(), // X coordinate
-		-3: ecdsaPubKey.Y.Bytes(), // Y coordinate
-	}
-
-	cborPublicKey, err := cbor.Marshal(coseKey)
-	if err != nil {
-		log.Fatalf("Failed to encode CBOR: %v", err)
-	}
-
-	return cborPublicKey
-}

backend/internal/handler/user.go

@@ -1,276 +0,0 @@
-package handler
-
-import (
-	"errors"
-	"github.com/gin-gonic/gin"
-	"golang-rest-api-template/internal/common"
-	"golang-rest-api-template/internal/common/middleware"
-	"golang-rest-api-template/internal/model"
-	"golang-rest-api-template/internal/utils"
-	"golang.org/x/time/rate"
-	"gorm.io/gorm"
-	"log"
-	"net/http"
-	"time"
-)
-
-func RegisterUserRoutes(group *gin.RouterGroup) {
-	group.GET("/users", middleware.JWTAuth(true), listUsersHandler)
-	group.GET("/users/me", middleware.JWTAuth(false), getCurrentUserHandler)
-	group.GET("/users/:id", middleware.JWTAuth(true), getUserHandler)
-	group.POST("/users", middleware.JWTAuth(true), createUserHandler)
-	group.PUT("/users/:id", middleware.JWTAuth(true), updateUserHandler)
-	group.PUT("/users/me", middleware.JWTAuth(false), updateCurrentUserHandler)
-	group.DELETE("/users/:id", middleware.JWTAuth(true), deleteUserHandler)
-
-	group.POST("/users/:id/one-time-access-token", middleware.JWTAuth(true), createOneTimeAccessTokenHandler)
-	group.POST("/one-time-access-token/:token", middleware.RateLimiter(rate.Every(10*time.Second), 5), exchangeOneTimeAccessTokenHandler)
-	group.POST("/one-time-access-token/setup", getSetupAccessTokenHandler)
-}
-
-func listUsersHandler(c *gin.Context) {
-	var users []model.User
-	searchTerm := c.Query("search")
-
-	query := common.DB.Model(&model.User{})
-
-	if searchTerm != "" {
-		searchPattern := "%" + searchTerm + "%"
-		query = query.Where("email LIKE ? OR first_name LIKE ? OR username LIKE ?", searchPattern, searchPattern, searchPattern)
-	}
-
-	pagination, err := utils.Paginate(c, query, &users)
-	if err != nil {
-		utils.UnknownHandlerError(c, err)
-		return
-	}
-
-	c.JSON(http.StatusOK, gin.H{
-		"data":       users,
-		"pagination": pagination,
-	})
-}
-
-func getUserHandler(c *gin.Context) {
-	var user model.User
-	if err := common.DB.Where("id = ?", c.Param("id")).First(&user).Error; err != nil {
-		if errors.Is(err, gorm.ErrRecordNotFound) {
-			utils.HandlerError(c, http.StatusNotFound, "User not found")
-			return
-		}
-		utils.UnknownHandlerError(c, err)
-		return
-	}
-
-	c.JSON(http.StatusOK, user)
-}
-
-func getCurrentUserHandler(c *gin.Context) {
-	var user model.User
-	if err := common.DB.Where("id = ?", c.GetString("userID")).First(&user).Error; err != nil {
-		utils.UnknownHandlerError(c, err)
-		return
-	}
-	c.JSON(http.StatusOK, user)
-
-}
-
-func deleteUserHandler(c *gin.Context) {
-	var user model.User
-	if err := common.DB.Where("id = ?", c.Param("id")).First(&user).Error; err != nil {
-		if errors.Is(err, gorm.ErrRecordNotFound) {
-			utils.HandlerError(c, http.StatusNotFound, "User not found")
-			return
-		}
-		utils.UnknownHandlerError(c, err)
-		return
-	}
-
-	if err := common.DB.Delete(&user).Error; err != nil {
-		utils.UnknownHandlerError(c, err)
-		return
-	}
-
-	c.Status(http.StatusNoContent)
-}
-
-func createUserHandler(c *gin.Context) {
-	var user model.User
-	if err := c.ShouldBindJSON(&user); err != nil {
-		utils.HandlerError(c, http.StatusBadRequest, "invalid request body")
-		return
-	}
-
-	if err := common.DB.Create(&user).Error; err != nil {
-		if errors.Is(err, gorm.ErrDuplicatedKey) {
-			if err := checkDuplicatedFields(user); err != nil {
-				utils.HandlerError(c, http.StatusBadRequest, err.Error())
-				return
-			}
-		} else {
-			utils.UnknownHandlerError(c, err)
-			return
-		}
-	}
-
-	c.JSON(http.StatusCreated, user)
-}
-
-func updateUserHandler(c *gin.Context) {
-	updateUser(c, c.Param("id"), false)
-}
-
-func updateCurrentUserHandler(c *gin.Context) {
-	updateUser(c, c.GetString("userID"), true)
-}
-
-func createOneTimeAccessTokenHandler(c *gin.Context) {
-	var input model.OneTimeAccessTokenCreateDto
-	if err := c.ShouldBindJSON(&input); err != nil {
-		utils.HandlerError(c, http.StatusBadRequest, "invalid request body")
-		return
-	}
-
-	randomString, err := utils.GenerateRandomAlphanumericString(16)
-	if err != nil {
-		utils.UnknownHandlerError(c, err)
-		return
-	}
-
-	oneTimeAccessToken := model.OneTimeAccessToken{
-		UserID:    input.UserID,
-		ExpiresAt: input.ExpiresAt,
-		Token:     randomString,
-	}
-
-	if err := common.DB.Create(&oneTimeAccessToken).Error; err != nil {
-		utils.UnknownHandlerError(c, err)
-		return
-	}
-
-	c.JSON(http.StatusCreated, gin.H{"token": oneTimeAccessToken.Token})
-}
-
-func exchangeOneTimeAccessTokenHandler(c *gin.Context) {
-	var oneTimeAccessToken model.OneTimeAccessToken
-	if err := common.DB.Where("token = ? AND expires_at > ?", c.Param("token"), utils.FormatDateForDb(time.Now())).Preload("User").First(&oneTimeAccessToken).Error; err != nil {
-		if errors.Is(err, gorm.ErrRecordNotFound) {
-			utils.HandlerError(c, http.StatusForbidden, "Token is invalid or expired")
-			return
-		}
-		utils.UnknownHandlerError(c, err)
-		return
-	}
-
-	token, err := common.GenerateAccessToken(oneTimeAccessToken.User)
-	if err != nil {
-		utils.UnknownHandlerError(c, err)
-		log.Println(err)
-		return
-	}
-
-	if err := common.DB.Delete(&oneTimeAccessToken).Error; err != nil {
-		utils.UnknownHandlerError(c, err)
-		return
-	}
-
-	c.SetCookie("access_token", token, int(time.Hour.Seconds()), "/", "", false, true)
-
-	c.JSON(http.StatusOK, oneTimeAccessToken.User)
-}
-
-// getSetupAccessTokenHandler creates the initial admin user and returns an access token for the user
-// This handler is only available if there are no users in the database
-func getSetupAccessTokenHandler(c *gin.Context) {
-	var userCount int64
-	if err := common.DB.Model(&model.User{}).Count(&userCount).Error; err != nil {
-		log.Fatal("failed to count users", err)
-	}
-
-	// If there are more than one user, we don't need to create the admin user
-	if userCount > 1 {
-		utils.HandlerError(c, http.StatusForbidden, "Setup already completed")
-		return
-	}
-
-	var user = model.User{
-		FirstName: "Admin",
-		LastName:  "Admin",
-		Username:  "admin",
-		Email:     "admin@admin.com",
-		IsAdmin:   true,
-	}
-
-	// Create the initial admin user if it doesn't exist
-	if err := common.DB.Model(&model.User{}).Preload("Credentials").FirstOrCreate(&user).Error; err != nil {
-		log.Fatal("failed to create admin user", err)
-	}
-
-	// If the user already has credentials, the setup is already completed
-	if len(user.Credentials) > 0 {
-		utils.HandlerError(c, http.StatusForbidden, "Setup already completed")
-		return
-	}
-
-	token, err := common.GenerateAccessToken(user)
-	if err != nil {
-		utils.UnknownHandlerError(c, err)
-		log.Println(err)
-		return
-	}
-	c.SetCookie("access_token", token, int(time.Hour.Seconds()), "/", "", false, true)
-	c.JSON(http.StatusOK, user)
-}
-
-func updateUser(c *gin.Context, userID string, updateOwnUser bool) {
-	var user model.User
-	if err := common.DB.Where("id = ?", userID).First(&user).Error; err != nil {
-		if errors.Is(err, gorm.ErrRecordNotFound) {
-			utils.HandlerError(c, http.StatusNotFound, "User not found")
-			return
-		}
-		utils.UnknownHandlerError(c, err)
-		return
-	}
-	var updatedUser model.User
-	if err := c.ShouldBindJSON(&updatedUser); err != nil {
-		utils.HandlerError(c, http.StatusBadRequest, "invalid request body")
-		return
-	}
-
-	user.FirstName = updatedUser.FirstName
-	user.LastName = updatedUser.LastName
-	user.Email = updatedUser.Email
-	user.Username = updatedUser.Username
-	user.Username = updatedUser.Username
-	if !updateOwnUser {
-		user.IsAdmin = updatedUser.IsAdmin
-	}
-
-	if err := common.DB.Save(user).Error; err != nil {
-		if errors.Is(err, gorm.ErrDuplicatedKey) {
-			if err := checkDuplicatedFields(user); err != nil {
-				utils.HandlerError(c, http.StatusBadRequest, err.Error())
-				return
-			}
-		} else {
-			utils.UnknownHandlerError(c, err)
-			return
-		}
-	}
-	c.JSON(http.StatusOK, user)
-}
-
-func checkDuplicatedFields(user model.User) error {
-	var existingUser model.User
-
-	if common.DB.Where("id != ? AND email = ?", user.ID, user.Email).First(&existingUser).Error == nil {
-		return errors.New("email is already taken")
-	}
-
-	if common.DB.Where("id != ? AND username = ?", user.ID, user.Username).First(&existingUser).Error == nil {
-		return errors.New("username is already taken")
-	}
-
-	return nil
-}

backend/internal/handler/webauthn.go

@@ -1,257 +0,0 @@
-package handler
-
-import (
-	"github.com/gin-gonic/gin"
-	"github.com/go-webauthn/webauthn/protocol"
-	"github.com/go-webauthn/webauthn/webauthn"
-	"golang-rest-api-template/internal/common"
-	"golang-rest-api-template/internal/common/middleware"
-	"golang-rest-api-template/internal/model"
-	"golang-rest-api-template/internal/utils"
-	"golang.org/x/time/rate"
-	"gorm.io/gorm"
-	"log"
-	"net/http"
-	"strings"
-	"time"
-)
-
-func RegisterRoutes(group *gin.RouterGroup) {
-	group.GET("/webauthn/register/start", middleware.JWTAuth(false), beginRegistrationHandler)
-	group.POST("/webauthn/register/finish", middleware.JWTAuth(false), verifyRegistrationHandler)
-
-	group.GET("/webauthn/login/start", beginLoginHandler)
-	group.POST("/webauthn/login/finish", middleware.RateLimiter(rate.Every(10*time.Second), 5), verifyLoginHandler)
-
-	group.POST("/webauthn/logout", middleware.JWTAuth(false), logoutHandler)
-
-	group.GET("/webauthn/credentials", middleware.JWTAuth(false), listCredentialsHandler)
-	group.PATCH("/webauthn/credentials/:id", middleware.JWTAuth(false), updateCredentialHandler)
-	group.DELETE("/webauthn/credentials/:id", middleware.JWTAuth(false), deleteCredentialHandler)
-}
-
-func beginRegistrationHandler(c *gin.Context) {
-	var user model.User
-	err := common.DB.Preload("Credentials").Find(&user, "id = ?", c.GetString("userID")).Error
-	if err != nil {
-		utils.UnknownHandlerError(c, err)
-		log.Println(err)
-		return
-	}
-
-	options, session, err := common.WebAuthn.BeginRegistration(&user, webauthn.WithResidentKeyRequirement(protocol.ResidentKeyRequirementRequired), webauthn.WithExclusions(user.WebAuthnCredentialDescriptors()))
-	if err != nil {
-		utils.UnknownHandlerError(c, err)
-		return
-	}
-
-	// Save the webauthn session so we can retrieve it in the verifyRegistrationHandler
-	sessionToStore := &model.WebauthnSession{
-		ExpiresAt:        session.Expires,
-		Challenge:        session.Challenge,
-		UserVerification: string(session.UserVerification),
-	}
-
-	if err = common.DB.Create(&sessionToStore).Error; err != nil {
-		utils.UnknownHandlerError(c, err)
-		return
-	}
-
-	c.SetCookie("session_id", sessionToStore.ID, int(common.WebAuthn.Config.Timeouts.Registration.Timeout.Seconds()), "/", "", false, true)
-	c.JSON(http.StatusOK, options.Response)
-}
-
-func verifyRegistrationHandler(c *gin.Context) {
-	sessionID, err := c.Cookie("session_id")
-	if err != nil {
-		utils.HandlerError(c, http.StatusBadRequest, "Session ID missing")
-		return
-	}
-
-	// Retrieve the session that was previously created by the beginRegistrationHandler
-	var storedSession model.WebauthnSession
-	err = common.DB.First(&storedSession, "id = ?", sessionID).Error
-
-	session := webauthn.SessionData{
-		Challenge: storedSession.Challenge,
-		Expires:   storedSession.ExpiresAt,
-		UserID:    []byte(c.GetString("userID")),
-	}
-
-	var user model.User
-	err = common.DB.Find(&user, "id = ?", c.GetString("userID")).Error
-	if err != nil {
-		utils.UnknownHandlerError(c, err)
-		return
-	}
-
-	credential, err := common.WebAuthn.FinishRegistration(&user, session, c.Request)
-	if err != nil {
-		utils.UnknownHandlerError(c, err)
-		return
-	}
-
-	credentialToStore := model.WebauthnCredential{
-		Name:            "New Passkey",
-		CredentialID:    string(credential.ID),
-		AttestationType: credential.AttestationType,
-		PublicKey:       credential.PublicKey,
-		Transport:       credential.Transport,
-		UserID:          user.ID,
-		BackupEligible:  credential.Flags.BackupEligible,
-		BackupState:     credential.Flags.BackupState,
-	}
-	if err := common.DB.Create(&credentialToStore).Error; err != nil {
-		utils.UnknownHandlerError(c, err)
-		return
-	}
-
-	c.JSON(http.StatusOK, credentialToStore)
-}
-
-func beginLoginHandler(c *gin.Context) {
-	options, session, err := common.WebAuthn.BeginDiscoverableLogin()
-	if err != nil {
-		utils.UnknownHandlerError(c, err)
-		return
-	}
-
-	// Save the webauthn session so we can retrieve it in the verifyLoginHandler
-	sessionToStore := &model.WebauthnSession{
-		ExpiresAt:        session.Expires,
-		Challenge:        session.Challenge,
-		UserVerification: string(session.UserVerification),
-	}
-
-	if err = common.DB.Create(&sessionToStore).Error; err != nil {
-		utils.UnknownHandlerError(c, err)
-		return
-	}
-
-	c.SetCookie("session_id", sessionToStore.ID, int(common.WebAuthn.Config.Timeouts.Registration.Timeout.Seconds()), "/", "", false, true)
-	c.JSON(http.StatusOK, options.Response)
-}
-
-func verifyLoginHandler(c *gin.Context) {
-	sessionID, err := c.Cookie("session_id")
-	if err != nil {
-		utils.HandlerError(c, http.StatusBadRequest, "Session ID missing")
-		return
-	}
-
-	credentialAssertionData, err := protocol.ParseCredentialRequestResponseBody(c.Request.Body)
-	if err != nil {
-		utils.HandlerError(c, http.StatusBadRequest, "Invalid body")
-		return
-	}
-
-	// Retrieve the session that was previously created by the beginLoginHandler
-	var storedSession model.WebauthnSession
-	if err := common.DB.First(&storedSession, "id = ?", sessionID).Error; err != nil {
-		utils.UnknownHandlerError(c, err)
-		return
-	}
-
-	session := webauthn.SessionData{
-		Challenge: storedSession.Challenge,
-		Expires:   storedSession.ExpiresAt,
-	}
-
-	var user *model.User
-	_, err = common.WebAuthn.ValidateDiscoverableLogin(func(_, userHandle []byte) (webauthn.User, error) {
-		if err := common.DB.Preload("Credentials").First(&user, "id = ?", string(userHandle)).Error; err != nil {
-			return nil, err
-		}
-		return user, nil
-	}, session, credentialAssertionData)
-
-	if err != nil {
-		if strings.Contains(err.Error(), gorm.ErrRecordNotFound.Error()) {
-			utils.HandlerError(c, http.StatusBadRequest, "no user with this passkey exists")
-		} else {
-			utils.UnknownHandlerError(c, err)
-		}
-		return
-	}
-
-	err = common.DB.Find(&user, "id = ?", c.GetString("userID")).Error
-	if err != nil {
-		utils.UnknownHandlerError(c, err)
-		return
-	}
-
-	token, err := common.GenerateAccessToken(*user)
-	if err != nil {
-		utils.UnknownHandlerError(c, err)
-		return
-	}
-
-	c.SetCookie("access_token", token, int(time.Hour.Seconds()), "/", "", false, true)
-	c.JSON(http.StatusOK, user)
-}
-
-func listCredentialsHandler(c *gin.Context) {
-	var credentials []model.WebauthnCredential
-	if err := common.DB.Find(&credentials, "user_id = ?", c.GetString("userID")).Error; err != nil {
-		utils.UnknownHandlerError(c, err)
-		return
-	}
-
-	c.JSON(http.StatusOK, credentials)
-}
-
-func deleteCredentialHandler(c *gin.Context) {
-	var passkeyCount int64
-	if err := common.DB.Model(&model.WebauthnCredential{}).Where("user_id = ?", c.GetString("userID")).Count(&passkeyCount).Error; err != nil {
-		utils.UnknownHandlerError(c, err)
-		return
-	}
-
-	if passkeyCount == 1 {
-		utils.HandlerError(c, http.StatusBadRequest, "You must have at least one passkey")
-		return
-	}
-
-	var credential model.WebauthnCredential
-	if err := common.DB.First(&credential, "id = ? AND user_id = ?", c.Param("id"), c.GetString("userID")).Error; err != nil {
-		utils.HandlerError(c, http.StatusNotFound, "Credential not found")
-		return
-	}
-
-	if err := common.DB.Delete(&credential).Error; err != nil {
-		utils.UnknownHandlerError(c, err)
-		return
-	}
-
-	c.Status(http.StatusNoContent)
-}
-
-func updateCredentialHandler(c *gin.Context) {
-	var credential model.WebauthnCredential
-	if err := common.DB.Where("id = ? AND user_id = ?", c.Param("id"), c.GetString("userID")).First(&credential).Error; err != nil {
-		utils.HandlerError(c, http.StatusNotFound, "Credential not found")
-		return
-	}
-
-	var input struct {
-		Name string `json:"name"`
-	}
-	if err := c.ShouldBindJSON(&input); err != nil {
-		utils.HandlerError(c, http.StatusBadRequest, "invalid request body")
-		return
-	}
-
-	credential.Name = input.Name
-
-	if err := common.DB.Save(&credential).Error; err != nil {
-		utils.UnknownHandlerError(c, err)
-		return
-	}
-
-	c.Status(http.StatusNoContent)
-}
-
-func logoutHandler(c *gin.Context) {
-	c.SetCookie("access_token", "", 0, "/", "", false, true)
-	c.Status(http.StatusNoContent)
-}

backend/internal/handler/well_known.go

@@ -1,39 +0,0 @@
-package handler
-
-import (
-	"github.com/gin-gonic/gin"
-	"golang-rest-api-template/internal/common"
-	"golang-rest-api-template/internal/utils"
-	"net/http"
-)
-
-func RegisterWellKnownRoutes(group *gin.RouterGroup) {
-	group.GET("/.well-known/jwks.json", jwks)
-	group.GET("/.well-known/openid-configuration", openIDConfiguration)
-}
-
-func jwks(c *gin.Context) {
-	jwk, err := common.GetJWK()
-	if err != nil {
-		utils.UnknownHandlerError(c, err)
-		return
-	}
-
-	c.JSON(http.StatusOK, gin.H{"keys": []interface{}{jwk}})
-}
-
-func openIDConfiguration(c *gin.Context) {
-	appUrl := common.EnvConfig.AppURL
-	config := map[string]interface{}{
-		"issuer":                                appUrl,
-		"authorization_endpoint":                appUrl + "/authorize",
-		"token_endpoint":                        appUrl + "/api/oidc/token",
-		"jwks_uri":                              appUrl + "/.well-known/jwks.json",
-		"scopes_supported":                      []string{"openid", "profile", "email"},
-		"claims_supported":                      []string{"sub", "given_name", "family_name", "email", "preferred_username"},
-		"response_types_supported":              []string{"code", "id_token"},
-		"subject_types_supported":               []string{"public"},
-		"id_token_signing_alg_values_supported": []string{"RS256"},
-	}
-	c.JSON(http.StatusOK, config)
-}

backend/internal/job/db_cleanup.go

@@ -1,30 +1,55 @@
 package job
 
 import (
-	"github.com/go-co-op/gocron/v2"
-	"github.com/google/uuid"
-	"golang-rest-api-template/internal/common"
-	"golang-rest-api-template/internal/model"
-	"golang-rest-api-template/internal/utils"
 	"log"
 	"time"
+
+	"github.com/go-co-op/gocron/v2"
+	"github.com/google/uuid"
+	"github.com/pocket-id/pocket-id/backend/internal/model"
+	datatype "github.com/pocket-id/pocket-id/backend/internal/model/types"
+	"gorm.io/gorm"
 )
 
-func RegisterJobs() {
+func RegisterDbCleanupJobs(db *gorm.DB) {
 	scheduler, err := gocron.NewScheduler()
 	if err != nil {
 		log.Fatalf("Failed to create a new scheduler: %s", err)
 	}
 
-	registerJob(scheduler, "ClearWebauthnSessions", "0 3 * * *", clearWebauthnSessions)
+	jobs := &Jobs{db: db}
-	registerJob(scheduler, "ClearOneTimeAccessTokens", "0 3 * * *", clearOneTimeAccessTokens)
-	registerJob(scheduler, "ClearOidcAuthorizationCodes", "0 3 * * *", clearOidcAuthorizationCodes)
 
+	registerJob(scheduler, "ClearWebauthnSessions", "0 3 * * *", jobs.clearWebauthnSessions)
+	registerJob(scheduler, "ClearOneTimeAccessTokens", "0 3 * * *", jobs.clearOneTimeAccessTokens)
+	registerJob(scheduler, "ClearOidcAuthorizationCodes", "0 3 * * *", jobs.clearOidcAuthorizationCodes)
 	scheduler.Start()
 }
 
-func registerJob(scheduler gocron.Scheduler, name string, interval string, job func() error) {
+type Jobs struct {
+	db *gorm.DB
+}
 
+// ClearWebauthnSessions deletes WebAuthn sessions that have expired
+func (j *Jobs) clearWebauthnSessions() error {
+	return j.db.Delete(&model.WebauthnSession{}, "expires_at < ?", datatype.DateTime(time.Now())).Error
+}
+
+// ClearOneTimeAccessTokens deletes one-time access tokens that have expired
+func (j *Jobs) clearOneTimeAccessTokens() error {
+	return j.db.Debug().Delete(&model.OneTimeAccessToken{}, "expires_at < ?", datatype.DateTime(time.Now())).Error
+}
+
+// ClearOidcAuthorizationCodes deletes OIDC authorization codes that have expired
+func (j *Jobs) clearOidcAuthorizationCodes() error {
+	return j.db.Delete(&model.OidcAuthorizationCode{}, "expires_at < ?", datatype.DateTime(time.Now())).Error
+}
+
+// ClearAuditLogs deletes audit logs older than 90 days
+func (j *Jobs) clearAuditLogs() error {
+	return j.db.Delete(&model.AuditLog{}, "created_at < ?", datatype.DateTime(time.Now().AddDate(0, 0, -90))).Error
+}
+
+func registerJob(scheduler gocron.Scheduler, name string, interval string, job func() error) {
 	_, err := scheduler.NewJob(
 		gocron.CronJob(interval, false),
 		gocron.NewTask(job),
@@ -42,16 +67,3 @@ func registerJob(scheduler gocron.Scheduler, name string, interval string, job f
 		log.Fatalf("Failed to register job %q: %v", name, err)
 	}
 }
-
-func clearWebauthnSessions() error {
-	return common.DB.Delete(&model.WebauthnSession{}, "expires_at < ?", utils.FormatDateForDb(time.Now())).Error
-}
-
-func clearOneTimeAccessTokens() error {
-	return common.DB.Debug().Delete(&model.OneTimeAccessToken{}, "expires_at < ?", utils.FormatDateForDb(time.Now())).Error
-}
-
-func clearOidcAuthorizationCodes() error {
-	return common.DB.Delete(&model.OidcAuthorizationCode{}, "expires_at < ?", utils.FormatDateForDb(time.Now())).Error
-
-}

backend/internal/job/ldap_job.go

@@ -0,0 +1,39 @@
+package job
+
+import (
+	"log"
+
+	"github.com/go-co-op/gocron/v2"
+	"github.com/pocket-id/pocket-id/backend/internal/service"
+)
+
+type LdapJobs struct {
+	ldapService      *service.LdapService
+	appConfigService *service.AppConfigService
+}
+
+func RegisterLdapJobs(ldapService *service.LdapService, appConfigService *service.AppConfigService) {
+	jobs := &LdapJobs{ldapService: ldapService, appConfigService: appConfigService}
+
+	scheduler, err := gocron.NewScheduler()
+	if err != nil {
+		log.Fatalf("Failed to create a new scheduler: %s", err)
+	}
+
+	// Register the job to run every hour
+	registerJob(scheduler, "SyncLdap", "0 * * * *", jobs.syncLdap)
+
+	// Run the job immediately on startup
+	if err := jobs.syncLdap(); err != nil {
+		log.Printf("Failed to sync LDAP: %s", err)
+	}
+
+	scheduler.Start()
+}
+
+func (j *LdapJobs) syncLdap() error {
+	if j.appConfigService.DbConfig.LdapEnabled.Value == "true" {
+		return j.ldapService.SyncAll()
+	}
+	return nil
+}

backend/internal/middleware/cors.go

@@ -0,0 +1,33 @@
+package middleware
+
+import (
+	"github.com/gin-gonic/gin"
+	"github.com/pocket-id/pocket-id/backend/internal/common"
+)
+
+type CorsMiddleware struct{}
+
+func NewCorsMiddleware() *CorsMiddleware {
+	return &CorsMiddleware{}
+}
+
+func (m *CorsMiddleware) Add() gin.HandlerFunc {
+	return func(c *gin.Context) {
+		// Allow all origins for the token endpoint
+		if c.FullPath() == "/api/oidc/token" {
+			c.Writer.Header().Set("Access-Control-Allow-Origin", "*")
+		} else {
+			c.Writer.Header().Set("Access-Control-Allow-Origin", common.EnvConfig.AppURL)
+		}
+
+		c.Writer.Header().Set("Access-Control-Allow-Headers", "*")
+		c.Writer.Header().Set("Access-Control-Allow-Methods", "POST, OPTIONS, GET, PUT")
+
+		if c.Request.Method == "OPTIONS" {
+			c.AbortWithStatus(204)
+			return
+		}
+
+		c.Next()
+	}
+}

backend/internal/middleware/error_handler.go

@@ -0,0 +1,98 @@
+package middleware
+
+import (
+	"errors"
+	"fmt"
+	"net/http"
+	"strings"
+
+	"github.com/gin-gonic/gin"
+	"github.com/gin-gonic/gin/binding"
+	"github.com/go-playground/validator/v10"
+	"github.com/pocket-id/pocket-id/backend/internal/common"
+	"gorm.io/gorm"
+)
+
+type ErrorHandlerMiddleware struct{}
+
+func NewErrorHandlerMiddleware() *ErrorHandlerMiddleware {
+	return &ErrorHandlerMiddleware{}
+}
+
+func (m *ErrorHandlerMiddleware) Add() gin.HandlerFunc {
+	return func(c *gin.Context) {
+		c.Next()
+		for _, err := range c.Errors {
+
+			// Check for record not found errors
+			if errors.Is(err, gorm.ErrRecordNotFound) {
+				errorResponse(c, http.StatusNotFound, "Record not found")
+				return
+			}
+
+			// Check for validation errors
+			var validationErrors validator.ValidationErrors
+			if errors.As(err, &validationErrors) {
+				message := handleValidationError(validationErrors)
+				errorResponse(c, http.StatusBadRequest, message)
+				return
+			}
+
+			// Check for slice validation errors
+			var sliceValidationErrors binding.SliceValidationError
+			if errors.As(err, &sliceValidationErrors) {
+				if errors.As(sliceValidationErrors[0], &validationErrors) {
+					message := handleValidationError(validationErrors)
+					errorResponse(c, http.StatusBadRequest, message)
+					return
+				}
+			}
+
+			var appErr common.AppError
+			if errors.As(err, &appErr) {
+				errorResponse(c, appErr.HttpStatusCode(), appErr.Error())
+				return
+			}
+
+			c.JSON(http.StatusInternalServerError, gin.H{"error": "Something went wrong"})
+		}
+	}
+}
+
+func errorResponse(c *gin.Context, statusCode int, message string) {
+	// Capitalize the first letter of the message
+	message = strings.ToUpper(message[:1]) + message[1:]
+	c.JSON(statusCode, gin.H{"error": message})
+}
+
+func handleValidationError(validationErrors validator.ValidationErrors) string {
+	var errorMessages []string
+
+	for _, ve := range validationErrors {
+		fieldName := ve.Field()
+		var errorMessage string
+		switch ve.Tag() {
+		case "required":
+			errorMessage = fmt.Sprintf("%s is required", fieldName)
+		case "email":
+			errorMessage = fmt.Sprintf("%s must be a valid email address", fieldName)
+		case "username":
+			errorMessage = fmt.Sprintf("%s must only contain lowercase letters, numbers, underscores, dots, hyphens, and '@' symbols and not start or end with a special character", fieldName)
+		case "url":
+			errorMessage = fmt.Sprintf("%s must be a valid URL", fieldName)
+		case "min":
+			errorMessage = fmt.Sprintf("%s must be at least %s characters long", fieldName, ve.Param())
+		case "max":
+			errorMessage = fmt.Sprintf("%s must be at most %s characters long", fieldName, ve.Param())
+		default:
+			errorMessage = fmt.Sprintf("%s is invalid", fieldName)
+		}
+
+		errorMessages = append(errorMessages, errorMessage)
+	}
+
+	// Join all the error messages into a single string
+	combinedErrors := strings.Join(errorMessages, ", ")
+
+	return combinedErrors
+}

backend/internal/middleware/file_size_limit.go

@@ -2,16 +2,24 @@ package middleware
 
 import (
 	"fmt"
-	"github.com/gin-gonic/gin"
-	"golang-rest-api-template/internal/utils"
 	"net/http"
+
+	"github.com/gin-gonic/gin"
+	"github.com/pocket-id/pocket-id/backend/internal/common"
 )
 
-func LimitFileSize(maxSize int64) gin.HandlerFunc {
+type FileSizeLimitMiddleware struct{}
+
+func NewFileSizeLimitMiddleware() *FileSizeLimitMiddleware {
+	return &FileSizeLimitMiddleware{}
+}
+
+func (m *FileSizeLimitMiddleware) Add(maxSize int64) gin.HandlerFunc {
 	return func(c *gin.Context) {
 		c.Request.Body = http.MaxBytesReader(c.Writer, c.Request.Body, maxSize)
 		if err := c.Request.ParseMultipartForm(maxSize); err != nil {
-			utils.HandlerError(c, http.StatusRequestEntityTooLarge, fmt.Sprintf("The file can't be larger than %s bytes", formatFileSize(maxSize)))
+			err = &common.FileTooLargeError{MaxSize: formatFileSize(maxSize)}
+			c.Error(err)
 			c.Abort()
 			return
 		}

backend/internal/middleware/jwt_auth.go

@@ -0,0 +1,60 @@
+package middleware
+
+import (
+	"strings"
+
+	"github.com/gin-gonic/gin"
+	"github.com/pocket-id/pocket-id/backend/internal/common"
+	"github.com/pocket-id/pocket-id/backend/internal/service"
+	"github.com/pocket-id/pocket-id/backend/internal/utils/cookie"
+)
+
+type JwtAuthMiddleware struct {
+	jwtService            *service.JwtService
+	ignoreUnauthenticated bool
+}
+
+func NewJwtAuthMiddleware(jwtService *service.JwtService, ignoreUnauthenticated bool) *JwtAuthMiddleware {
+	return &JwtAuthMiddleware{jwtService: jwtService, ignoreUnauthenticated: ignoreUnauthenticated}
+}
+
+func (m *JwtAuthMiddleware) Add(adminOnly bool) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		// Extract the token from the cookie or the Authorization header
+		token, err := c.Cookie(cookie.AccessTokenCookieName)
+		if err != nil {
+			authorizationHeaderSplitted := strings.Split(c.GetHeader("Authorization"), " ")
+			if len(authorizationHeaderSplitted) == 2 {
+				token = authorizationHeaderSplitted[1]
+			} else if m.ignoreUnauthenticated {
+				c.Next()
+				return
+			} else {
+				c.Error(&common.NotSignedInError{})
+				c.Abort()
+				return
+			}
+		}
+
+		claims, err := m.jwtService.VerifyAccessToken(token)
+		if err != nil && m.ignoreUnauthenticated {
+			c.Next()
+			return
+		} else if err != nil {
+			c.Error(&common.NotSignedInError{})
+			c.Abort()
+			return
+		}
+
+		// Check if the user is an admin
+		if adminOnly && !claims.IsAdmin {
+			c.Error(&common.MissingPermissionError{})
+			c.Abort()
+			return
+		}
+
+		c.Set("userID", claims.Subject)
+		c.Set("userIsAdmin", claims.IsAdmin)
+		c.Next()
+	}
+}

backend/internal/middleware/rate_limit.go

@@ -1,20 +1,28 @@
 package middleware
 
 import (
-	"golang-rest-api-template/internal/common"
-	"golang-rest-api-template/internal/utils"
-	"net/http"
 	"sync"
 	"time"
 
+	"github.com/pocket-id/pocket-id/backend/internal/common"
+
 	"github.com/gin-gonic/gin"
 	"golang.org/x/time/rate"
 )
 
-// RateLimiter is a Gin middleware for rate limiting based on client IP
+type RateLimitMiddleware struct{}
-func RateLimiter(limit rate.Limit, burst int) gin.HandlerFunc {
+
+func NewRateLimitMiddleware() *RateLimitMiddleware {
+	return &RateLimitMiddleware{}
+}
+
+func (m *RateLimitMiddleware) Add(limit rate.Limit, burst int) gin.HandlerFunc {
+	// Map to store the rate limiters per IP
+	var clients = make(map[string]*client)
+	var mu sync.Mutex
+
 	// Start the cleanup routine
-	go cleanupClients()
+	go cleanupClients(&mu, clients)
 
 	return func(c *gin.Context) {
 		ip := c.ClientIP()
@@ -26,9 +34,9 @@ func RateLimiter(limit rate.Limit, burst int) gin.HandlerFunc {
 			return
 		}
 
-		limiter := getLimiter(ip, limit, burst)
+		limiter := getLimiter(ip, limit, burst, &mu, clients)
 		if !limiter.Allow() {
-			utils.HandlerError(c, http.StatusTooManyRequests, "Too many requests. Please wait a while before trying again.")
+			c.Error(&common.TooManyRequestsError{})
 			c.Abort()
 			return
 		}
@@ -42,12 +50,8 @@ type client struct {
 	lastSeen time.Time
 }
 
-// Map to store the rate limiters per IP
-var clients = make(map[string]*client)
-var mu sync.Mutex
-
 // Cleanup routine to remove stale clients that haven't been seen for a while
-func cleanupClients() {
+func cleanupClients(mu *sync.Mutex, clients map[string]*client) {
 	for {
 		time.Sleep(time.Minute)
 		mu.Lock()
@@ -61,7 +65,7 @@ func cleanupClients() {
 }
 
 // getLimiter retrieves the rate limiter for a given IP address, creating one if it doesn't exist
-func getLimiter(ip string, limit rate.Limit, burst int) *rate.Limiter {
+func getLimiter(ip string, limit rate.Limit, burst int, mu *sync.Mutex, clients map[string]*client) *rate.Limiter {
 	mu.Lock()
 	defer mu.Unlock()
 

backend/internal/model/app_config.go

@@ -0,0 +1,51 @@
+package model
+
+type AppConfigVariable struct {
+	Key          string `gorm:"primaryKey;not null"`
+	Type         string
+	IsPublic     bool
+	IsInternal   bool
+	Value        string
+	DefaultValue string
+}
+
+type AppConfig struct {
+	// General
+	AppName             AppConfigVariable
+	SessionDuration     AppConfigVariable
+	EmailsVerified      AppConfigVariable
+	AllowOwnAccountEdit AppConfigVariable
+	// Internal
+	BackgroundImageType AppConfigVariable
+	LogoLightImageType  AppConfigVariable
+	LogoDarkImageType   AppConfigVariable
+	// Email
+	SmtpHost                      AppConfigVariable
+	SmtpPort                      AppConfigVariable
+	SmtpFrom                      AppConfigVariable
+	SmtpUser                      AppConfigVariable
+	SmtpPassword                  AppConfigVariable
+	SmtpTls                       AppConfigVariable
+	SmtpSkipCertVerify            AppConfigVariable
+	EmailLoginNotificationEnabled AppConfigVariable
+	EmailOneTimeAccessEnabled     AppConfigVariable
+	// LDAP
+	LdapEnabled                        AppConfigVariable
+	LdapUrl                            AppConfigVariable
+	LdapBindDn                         AppConfigVariable
+	LdapBindPassword                   AppConfigVariable
+	LdapBase                           AppConfigVariable
+	LdapUserSearchFilter               AppConfigVariable
+	LdapUserGroupSearchFilter          AppConfigVariable
+	LdapSkipCertVerify                 AppConfigVariable
+	LdapAttributeUserUniqueIdentifier  AppConfigVariable
+	LdapAttributeUserUsername          AppConfigVariable
+	LdapAttributeUserEmail             AppConfigVariable
+	LdapAttributeUserFirstName         AppConfigVariable
+	LdapAttributeUserLastName          AppConfigVariable
+	LdapAttributeUserProfilePicture    AppConfigVariable
+	LdapAttributeGroupMember           AppConfigVariable
+	LdapAttributeGroupUniqueIdentifier AppConfigVariable
+	LdapAttributeGroupName             AppConfigVariable
+	LdapAttributeAdminGroup            AppConfigVariable
+}

backend/internal/model/application_configuration.go

@@ -1,20 +0,0 @@
-package model
-
-type ApplicationConfigurationVariable struct {
-	Key        string `gorm:"primaryKey;not null" json:"key"`
-	Type       string `json:"type"`
-	IsPublic   bool   `json:"-"`
-	IsInternal bool   `json:"-"`
-	Value      string `json:"value"`
-}
-
-type ApplicationConfiguration struct {
-	AppName             ApplicationConfigurationVariable
-	BackgroundImageType ApplicationConfigurationVariable
-	LogoImageType       ApplicationConfigurationVariable
-	SessionDuration     ApplicationConfigurationVariable
-}
-
-type ApplicationConfigurationUpdateDto struct {
-	AppName string `json:"appName" binding:"required"`
-}

backend/internal/model/audit_log.go

@@ -0,0 +1,53 @@
+package model
+
+import (
+	"database/sql/driver"
+	"encoding/json"
+	"errors"
+)
+
+type AuditLog struct {
+	Base
+
+	Event     AuditLogEvent `sortable:"true"`
+	IpAddress string        `sortable:"true"`
+	Country   string        `sortable:"true"`
+	City      string        `sortable:"true"`
+	UserAgent string        `sortable:"true"`
+	UserID    string
+	Data      AuditLogData
+}
+
+type AuditLogData map[string]string
+
+type AuditLogEvent string
+
+const (
+	AuditLogEventSignIn                   AuditLogEvent = "SIGN_IN"
+	AuditLogEventOneTimeAccessTokenSignIn AuditLogEvent = "TOKEN_SIGN_IN"
+	AuditLogEventClientAuthorization      AuditLogEvent = "CLIENT_AUTHORIZATION"
+	AuditLogEventNewClientAuthorization   AuditLogEvent = "NEW_CLIENT_AUTHORIZATION"
+)
+
+// Scan and Value methods for GORM to handle the custom type
+
+func (e *AuditLogEvent) Scan(value interface{}) error {
+	*e = AuditLogEvent(value.(string))
+	return nil
+}
+
+func (e AuditLogEvent) Value() (driver.Value, error) {
+	return string(e), nil
+}
+
+func (d *AuditLogData) Scan(value interface{}) error {
+	if v, ok := value.([]byte); ok {
+		return json.Unmarshal(v, d)
+	} else {
+		return errors.New("type assertion to []byte failed")
+	}
+}
+
+func (d AuditLogData) Value() (driver.Value, error) {
+	return json.Marshal(d)
+}

backend/internal/model/base.go

@@ -1,20 +1,23 @@
 package model
 
 import (
-	"github.com/google/uuid"
-	"gorm.io/gorm"
 	"time"
+
+	"github.com/google/uuid"
+	model "github.com/pocket-id/pocket-id/backend/internal/model/types"
+	"gorm.io/gorm"
 )
 
 // Base contains common columns for all tables.
 type Base struct {
-	ID        string    `gorm:"primaryKey;not null" json:"id"`
+	ID        string         `gorm:"primaryKey;not null"`
-	CreatedAt time.Time `json:"createdAt"`
+	CreatedAt model.DateTime `sortable:"true"`
 }
 
-func (b *Base) BeforeCreate(db *gorm.DB) (err error) {
+func (b *Base) BeforeCreate(_ *gorm.DB) (err error) {
 	if b.ID == "" {
 		b.ID = uuid.New().String()
 	}
+	b.CreatedAt = model.DateTime(time.Now())
 	return
 }

backend/internal/model/custom_claim.go

@@ -0,0 +1,11 @@
+package model
+
+type CustomClaim struct {
+	Base
+
+	Key   string
+	Value string
+
+	UserID      *string
+	UserGroupID *string
+}

backend/internal/model/oidc.go

@@ -1,29 +1,54 @@
 package model
 
 import (
+	"database/sql/driver"
+	"encoding/json"
+	"errors"
+
+	datatype "github.com/pocket-id/pocket-id/backend/internal/model/types"
 	"gorm.io/gorm"
-	"time"
 )
 
 type UserAuthorizedOidcClient struct {
 	Scope  string
-	UserID string `json:"userId" gorm:"primary_key;"`
+	UserID string `gorm:"primary_key;"`
+	User   User
 
-	ClientID string `json:"clientId" gorm:"primary_key;"`
+	ClientID string `gorm:"primary_key;"`
 	Client   OidcClient
 }
 
+type OidcAuthorizationCode struct {
+	Base
+
+	Code                      string
+	Scope                     string
+	Nonce                     string
+	CodeChallenge             *string
+	CodeChallengeMethodSha256 *bool
+	ExpiresAt                 datatype.DateTime
+
+	UserID string
+	User   User
+
+	ClientID string
+}
+
 type OidcClient struct {
 	Base
 
-	Name        string  `json:"name"`
+	Name               string `sortable:"true"`
-	Secret      string  `json:"-"`
+	Secret             string
-	CallbackURL string  `json:"callbackURL"`
+	CallbackURLs       UrlList
-	ImageType   *string `json:"-"`
+	LogoutCallbackURLs UrlList
-	HasLogo     bool    `gorm:"-" json:"hasLogo"`
+	ImageType          *string
+	HasLogo            bool `gorm:"-"`
+	IsPublic           bool
+	PkceEnabled        bool
 
-	CreatedByID string
+	AllowedUserGroups []UserGroup `gorm:"many2many:oidc_clients_allowed_user_groups;"`
-	CreatedBy   User
+	CreatedByID       string
+	CreatedBy         User
 }
 
 func (c *OidcClient) AfterFind(_ *gorm.DB) (err error) {
@@ -32,34 +57,16 @@ func (c *OidcClient) AfterFind(_ *gorm.DB) (err error) {
 	return nil
 }
 
-type OidcAuthorizationCode struct {
+type UrlList []string
-	Base
 
-	Code      string
+func (cu *UrlList) Scan(value interface{}) error {
-	Scope     string
+	if v, ok := value.([]byte); ok {
-	Nonce     string
+		return json.Unmarshal(v, cu)
-	ExpiresAt time.Time
+	} else {
-
+		return errors.New("type assertion to []byte failed")
-	UserID string
+	}
-	User   User
-
-	ClientID string
 }
 
-type OidcClientCreateDto struct {
+func (cu UrlList) Value() (driver.Value, error) {
-	Name        string `json:"name" binding:"required"`
+	return json.Marshal(cu)
-	CallbackURL string `json:"callbackURL" binding:"required"`
-}
-
-type AuthorizeNewClientDto struct {
-	ClientID string `json:"clientID" binding:"required"`
-	Scope    string `json:"scope" binding:"required"`
-	Nonce    string `json:"nonce"`
-}
-
-type OidcIdTokenDto struct {
-	GrantType    string `form:"grant_type" binding:"required"`
-	Code         string `form:"code" binding:"required"`
-	ClientID     string `form:"client_id"`
-	ClientSecret string `form:"client_secret"`
 }

backend/internal/model/types/date_time.go

@@ -0,0 +1,53 @@
+package datatype
+
+import (
+	"database/sql/driver"
+	"time"
+
+	"github.com/pocket-id/pocket-id/backend/internal/common"
+)
+
+// DateTime custom type for time.Time to store date as unix timestamp for sqlite and as date for postgres
+type DateTime time.Time
+
+func (date *DateTime) Scan(value interface{}) (err error) {
+	*date = DateTime(value.(time.Time))
+	return
+}
+
+func (date DateTime) Value() (driver.Value, error) {
+	if common.EnvConfig.DbProvider == common.DbProviderSqlite {
+		return time.Time(date).Unix(), nil
+	} else {
+		return time.Time(date), nil
+	}
+}
+
+func (date DateTime) UTC() time.Time {
+	return time.Time(date).UTC()
+}
+
+func (date DateTime) ToTime() time.Time {
+	return time.Time(date)
+}
+
+// GormDataType gorm common data type
+func (date DateTime) GormDataType() string {
+	return "date"
+}
+
+func (date DateTime) GobEncode() ([]byte, error) {
+	return time.Time(date).GobEncode()
+}
+
+func (date *DateTime) GobDecode(b []byte) error {
+	return (*time.Time)(date).GobDecode(b)
+}
+
+func (date DateTime) MarshalJSON() ([]byte, error) {
+	return time.Time(date).MarshalJSON()
+}
+
+func (date *DateTime) UnmarshalJSON(b []byte) error {
+	return (*time.Time)(date).UnmarshalJSON(b)
+}

backend/internal/model/user.go

@@ -3,19 +3,22 @@ package model
 import (
 	"github.com/go-webauthn/webauthn/protocol"
 	"github.com/go-webauthn/webauthn/webauthn"
-	"time"
+	datatype "github.com/pocket-id/pocket-id/backend/internal/model/types"
 )
 
 type User struct {
 	Base
 
-	Username  string `json:"username"`
+	Username  string `sortable:"true"`
-	Email     string `json:"email" `
+	Email     string `sortable:"true"`
-	FirstName string `json:"firstName"`
+	FirstName string `sortable:"true"`
-	LastName  string `json:"lastName"`
+	LastName  string `sortable:"true"`
-	IsAdmin   bool   `json:"isAdmin"`
+	IsAdmin   bool   `sortable:"true"`
+	LdapID    *string
 
-	Credentials []WebauthnCredential `json:"-"`
+	CustomClaims []CustomClaim
+	UserGroups   []UserGroup `gorm:"many2many:user_groups_users;"`
+	Credentials  []WebauthnCredential
 }
 
 func (u User) WebAuthnID() []byte { return []byte(u.ID) }
@@ -31,7 +34,7 @@ func (u User) WebAuthnCredentials() []webauthn.Credential {
 
 	for i, credential := range u.Credentials {
 		credentials[i] = webauthn.Credential{
-			ID:              []byte(credential.CredentialID),
+			ID:              credential.CredentialID,
 			AttestationType: credential.AttestationType,
 			PublicKey:       credential.PublicKey,
 			Transport:       credential.Transport,
@@ -57,21 +60,13 @@ func (u User) WebAuthnCredentialDescriptors() (descriptors []protocol.Credential
 	return descriptors
 }
 
+func (u User) FullName() string { return u.FirstName + " " + u.LastName }
+
 type OneTimeAccessToken struct {
 	Base
-	Token     string    `json:"token"`
+	Token     string
-	ExpiresAt time.Time `json:"expiresAt"`
+	ExpiresAt datatype.DateTime
 
-	UserID string `json:"userId"`
+	UserID string
 	User   User
 }
-
-type OneTimeAccessTokenCreateDto struct {
-	UserID    string    `json:"userId" binding:"required"`
-	ExpiresAt time.Time `json:"expiresAt" binding:"required"`
-}
-
-type LoginUserDto struct {
-	Username string `json:"username" binding:"required"`
-	Password string `json:"password" binding:"required"`
-}

backend/internal/model/user_group.go

@@ -0,0 +1,10 @@
+package model
+
+type UserGroup struct {
+	Base
+	FriendlyName string `sortable:"true"`
+	Name         string `sortable:"true"`
+	LdapID       *string
+	Users        []User `gorm:"many2many:user_groups_users;"`
+	CustomClaims []CustomClaim
+}

backend/internal/model/webauthn.go

@@ -4,26 +4,28 @@ import (
 	"database/sql/driver"
 	"encoding/json"
 	"errors"
-	"github.com/go-webauthn/webauthn/protocol"
 	"time"
+
+	"github.com/go-webauthn/webauthn/protocol"
+	datatype "github.com/pocket-id/pocket-id/backend/internal/model/types"
 )
 
 type WebauthnSession struct {
 	Base
 
 	Challenge        string
-	ExpiresAt        time.Time
+	ExpiresAt        datatype.DateTime
 	UserVerification string
 }
 
 type WebauthnCredential struct {
 	Base
 
-	Name            string                     `json:"name"`
+	Name            string
-	CredentialID    string                     `json:"credentialID"`
+	CredentialID    []byte
-	PublicKey       []byte                     `json:"-"`
+	PublicKey       []byte
-	AttestationType string                     `json:"attestationType"`
+	AttestationType string
-	Transport       AuthenticatorTransportList `json:"-"`
+	Transport       AuthenticatorTransportList
 
 	BackupEligible bool `json:"backupEligible"`
 	BackupState    bool `json:"backupState"`
@@ -31,6 +33,18 @@ type WebauthnCredential struct {
 	UserID string
 }
 
+type PublicKeyCredentialCreationOptions struct {
+	Response  protocol.PublicKeyCredentialCreationOptions
+	SessionID string
+	Timeout   time.Duration
+}
+
+type PublicKeyCredentialRequestOptions struct {
+	Response  protocol.PublicKeyCredentialRequestOptions
+	SessionID string
+	Timeout   time.Duration
+}
+
 type AuthenticatorTransportList []protocol.AuthenticatorTransport
 
 // Scan and Value methods for GORM to handle the custom type

backend/internal/service/app_config_service.go

@@ -0,0 +1,395 @@
+package service
+
+import (
+	"fmt"
+	"log"
+	"mime/multipart"
+	"os"
+	"reflect"
+
+	"github.com/pocket-id/pocket-id/backend/internal/common"
+	"github.com/pocket-id/pocket-id/backend/internal/dto"
+	"github.com/pocket-id/pocket-id/backend/internal/model"
+	"github.com/pocket-id/pocket-id/backend/internal/utils"
+	"gorm.io/gorm"
+)
+
+type AppConfigService struct {
+	DbConfig *model.AppConfig
+	db       *gorm.DB
+}
+
+func NewAppConfigService(db *gorm.DB) *AppConfigService {
+	service := &AppConfigService{
+		DbConfig: &defaultDbConfig,
+		db:       db,
+	}
+	if err := service.InitDbConfig(); err != nil {
+		log.Fatalf("Failed to initialize app config service: %v", err)
+	}
+	return service
+}
+
+var defaultDbConfig = model.AppConfig{
+	// General
+	AppName: model.AppConfigVariable{
+		Key:          "appName",
+		Type:         "string",
+		IsPublic:     true,
+		DefaultValue: "Pocket ID",
+	},
+	SessionDuration: model.AppConfigVariable{
+		Key:          "sessionDuration",
+		Type:         "number",
+		DefaultValue: "60",
+	},
+	EmailsVerified: model.AppConfigVariable{
+		Key:          "emailsVerified",
+		Type:         "bool",
+		DefaultValue: "false",
+	},
+	AllowOwnAccountEdit: model.AppConfigVariable{
+		Key:          "allowOwnAccountEdit",
+		Type:         "bool",
+		IsPublic:     true,
+		DefaultValue: "true",
+	},
+	// Internal
+	BackgroundImageType: model.AppConfigVariable{
+		Key:          "backgroundImageType",
+		Type:         "string",
+		IsInternal:   true,
+		DefaultValue: "jpg",
+	},
+	LogoLightImageType: model.AppConfigVariable{
+		Key:          "logoLightImageType",
+		Type:         "string",
+		IsInternal:   true,
+		DefaultValue: "svg",
+	},
+	LogoDarkImageType: model.AppConfigVariable{
+		Key:          "logoDarkImageType",
+		Type:         "string",
+		IsInternal:   true,
+		DefaultValue: "svg",
+	},
+	// Email
+	SmtpHost: model.AppConfigVariable{
+		Key:  "smtpHost",
+		Type: "string",
+	},
+	SmtpPort: model.AppConfigVariable{
+		Key:  "smtpPort",
+		Type: "number",
+	},
+	SmtpFrom: model.AppConfigVariable{
+		Key:  "smtpFrom",
+		Type: "string",
+	},
+	SmtpUser: model.AppConfigVariable{
+		Key:  "smtpUser",
+		Type: "string",
+	},
+	SmtpPassword: model.AppConfigVariable{
+		Key:  "smtpPassword",
+		Type: "string",
+	},
+	SmtpTls: model.AppConfigVariable{
+		Key:          "smtpTls",
+		Type:         "bool",
+		DefaultValue: "true",
+	},
+	SmtpSkipCertVerify: model.AppConfigVariable{
+		Key:          "smtpSkipCertVerify",
+		Type:         "bool",
+		DefaultValue: "false",
+	},
+	EmailLoginNotificationEnabled: model.AppConfigVariable{
+		Key:          "emailLoginNotificationEnabled",
+		Type:         "bool",
+		DefaultValue: "false",
+	},
+	EmailOneTimeAccessEnabled: model.AppConfigVariable{
+		Key:          "emailOneTimeAccessEnabled",
+		Type:         "bool",
+		IsPublic:     true,
+		DefaultValue: "false",
+	},
+	// LDAP
+	LdapEnabled: model.AppConfigVariable{
+		Key:          "ldapEnabled",
+		Type:         "bool",
+		IsPublic:     true,
+		DefaultValue: "false",
+	},
+	LdapUrl: model.AppConfigVariable{
+		Key:  "ldapUrl",
+		Type: "string",
+	},
+	LdapBindDn: model.AppConfigVariable{
+		Key:  "ldapBindDn",
+		Type: "string",
+	},
+	LdapBindPassword: model.AppConfigVariable{
+		Key:  "ldapBindPassword",
+		Type: "string",
+	},
+	LdapBase: model.AppConfigVariable{
+		Key:  "ldapBase",
+		Type: "string",
+	},
+	LdapUserSearchFilter: model.AppConfigVariable{
+		Key:          "ldapUserSearchFilter",
+		Type:         "string",
+		DefaultValue: "(objectClass=person)",
+	},
+	LdapUserGroupSearchFilter: model.AppConfigVariable{
+		Key:          "ldapUserGroupSearchFilter",
+		Type:         "string",
+		DefaultValue: "(objectClass=groupOfNames)",
+	},
+	LdapSkipCertVerify: model.AppConfigVariable{
+		Key:          "ldapSkipCertVerify",
+		Type:         "bool",
+		DefaultValue: "false",
+	},
+	LdapAttributeUserUniqueIdentifier: model.AppConfigVariable{
+		Key:  "ldapAttributeUserUniqueIdentifier",
+		Type: "string",
+	},
+	LdapAttributeUserUsername: model.AppConfigVariable{
+		Key:  "ldapAttributeUserUsername",
+		Type: "string",
+	},
+	LdapAttributeUserEmail: model.AppConfigVariable{
+		Key:  "ldapAttributeUserEmail",
+		Type: "string",
+	},
+	LdapAttributeUserFirstName: model.AppConfigVariable{
+		Key:  "ldapAttributeUserFirstName",
+		Type: "string",
+	},
+	LdapAttributeUserLastName: model.AppConfigVariable{
+		Key:  "ldapAttributeUserLastName",
+		Type: "string",
+	},
+	LdapAttributeUserProfilePicture: model.AppConfigVariable{
+		Key:  "ldapAttributeUserProfilePicture",
+		Type: "string",
+	},
+	LdapAttributeGroupMember: model.AppConfigVariable{
+		Key:          "ldapAttributeGroupMember",
+		Type:         "string",
+		DefaultValue: "member",
+	},
+	LdapAttributeGroupUniqueIdentifier: model.AppConfigVariable{
+		Key:  "ldapAttributeGroupUniqueIdentifier",
+		Type: "string",
+	},
+	LdapAttributeGroupName: model.AppConfigVariable{
+		Key:  "ldapAttributeGroupName",
+		Type: "string",
+	},
+	LdapAttributeAdminGroup: model.AppConfigVariable{
+		Key:  "ldapAttributeAdminGroup",
+		Type: "string",
+	},
+}
+
+func (s *AppConfigService) UpdateAppConfig(input dto.AppConfigUpdateDto) ([]model.AppConfigVariable, error) {
+	if common.EnvConfig.UiConfigDisabled {
+		return nil, &common.UiConfigDisabledError{}
+	}
+
+	tx := s.db.Begin()
+	rt := reflect.ValueOf(input).Type()
+	rv := reflect.ValueOf(input)
+
+	var savedConfigVariables []model.AppConfigVariable
+	for i := 0; i < rt.NumField(); i++ {
+		field := rt.Field(i)
+		key := field.Tag.Get("json")
+		value := rv.FieldByName(field.Name).String()
+
+		// If the emailEnabled is set to false, disable the emailOneTimeAccessEnabled
+		if key == s.DbConfig.EmailOneTimeAccessEnabled.Key {
+			if rv.FieldByName("EmailEnabled").String() == "false" {
+				value = "false"
+			}
+		}
+
+		var appConfigVariable model.AppConfigVariable
+		if err := tx.First(&appConfigVariable, "key = ? AND is_internal = false", key).Error; err != nil {
+			tx.Rollback()
+			return nil, err
+		}
+
+		appConfigVariable.Value = value
+		if err := tx.Save(&appConfigVariable).Error; err != nil {
+			tx.Rollback()
+			return nil, err
+		}
+
+		savedConfigVariables = append(savedConfigVariables, appConfigVariable)
+	}
+
+	tx.Commit()
+
+	if err := s.LoadDbConfigFromDb(); err != nil {
+		return nil, err
+	}
+
+	return savedConfigVariables, nil
+}
+
+func (s *AppConfigService) UpdateImageType(imageName string, fileType string) error {
+	key := fmt.Sprintf("%sImageType", imageName)
+	err := s.db.Model(&model.AppConfigVariable{}).Where("key = ?", key).Update("value", fileType).Error
+	if err != nil {
+		return err
+	}
+
+	return s.LoadDbConfigFromDb()
+}
+
+func (s *AppConfigService) ListAppConfig(showAll bool) ([]model.AppConfigVariable, error) {
+	var configuration []model.AppConfigVariable
+	var err error
+
+	if showAll {
+		err = s.db.Find(&configuration).Error
+	} else {
+		err = s.db.Find(&configuration, "is_public = true").Error
+	}
+
+	if err != nil {
+		return nil, err
+	}
+
+	for i := range configuration {
+		if common.EnvConfig.UiConfigDisabled {
+			// Set the value to the environment variable if the UI config is disabled
+			configuration[i].Value = s.getConfigVariableFromEnvironmentVariable(configuration[i].Key, configuration[i].DefaultValue)
+
+		} else if configuration[i].Value == "" && configuration[i].DefaultValue != "" {
+			// Set the value to the default value if it is empty
+			configuration[i].Value = configuration[i].DefaultValue
+		}
+	}
+
+	return configuration, nil
+}
+
+func (s *AppConfigService) UpdateImage(uploadedFile *multipart.FileHeader, imageName string, oldImageType string) error {
+	fileType := utils.GetFileExtension(uploadedFile.Filename)
+	mimeType := utils.GetImageMimeType(fileType)
+	if mimeType == "" {
+		return &common.FileTypeNotSupportedError{}
+	}
+
+	// Delete the old image if it has a different file type
+	if fileType != oldImageType {
+		oldImagePath := fmt.Sprintf("%s/application-images/%s.%s", common.EnvConfig.UploadPath, imageName, oldImageType)
+		if err := os.Remove(oldImagePath); err != nil {
+			return err
+		}
+	}
+
+	imagePath := fmt.Sprintf("%s/application-images/%s.%s", common.EnvConfig.UploadPath, imageName, fileType)
+	if err := utils.SaveFile(uploadedFile, imagePath); err != nil {
+		return err
+	}
+
+	// Update the file type in the database
+	if err := s.UpdateImageType(imageName, fileType); err != nil {
+		return err
+	}
+
+	return nil
+}
+
+// InitDbConfig creates the default configuration values in the database if they do not exist,
+// updates existing configurations if they differ from the default, and deletes any configurations
+// that are not in the default configuration.
+func (s *AppConfigService) InitDbConfig() error {
+	// Reflect to get the underlying value of DbConfig and its default configuration
+	defaultConfigReflectValue := reflect.ValueOf(defaultDbConfig)
+	defaultKeys := make(map[string]struct{})
+
+	// Iterate over the fields of DbConfig
+	for i := 0; i < defaultConfigReflectValue.NumField(); i++ {
+		defaultConfigVar := defaultConfigReflectValue.Field(i).Interface().(model.AppConfigVariable)
+
+		defaultKeys[defaultConfigVar.Key] = struct{}{}
+
+		var storedConfigVar model.AppConfigVariable
+		if err := s.db.First(&storedConfigVar, "key = ?", defaultConfigVar.Key).Error; err != nil {
+			// If the configuration does not exist, create it
+			if err := s.db.Create(&defaultConfigVar).Error; err != nil {
+				return err
+			}
+			continue
+		}
+
+		// Update existing configuration if it differs from the default
+		if storedConfigVar.Type != defaultConfigVar.Type || storedConfigVar.IsPublic != defaultConfigVar.IsPublic || storedConfigVar.IsInternal != defaultConfigVar.IsInternal || storedConfigVar.DefaultValue != defaultConfigVar.DefaultValue {
+			storedConfigVar.Type = defaultConfigVar.Type
+			storedConfigVar.IsPublic = defaultConfigVar.IsPublic
+			storedConfigVar.IsInternal = defaultConfigVar.IsInternal
+			storedConfigVar.DefaultValue = defaultConfigVar.DefaultValue
+			if err := s.db.Save(&storedConfigVar).Error; err != nil {
+				return err
+			}
+		}
+	}
+
+	// Delete any configurations not in the default keys
+	var allConfigVars []model.AppConfigVariable
+	if err := s.db.Find(&allConfigVars).Error; err != nil {
+		return err
+	}
+
+	for _, config := range allConfigVars {
+		if _, exists := defaultKeys[config.Key]; !exists {
+			if err := s.db.Delete(&config).Error; err != nil {
+				return err
+			}
+		}
+	}
+	return s.LoadDbConfigFromDb()
+}
+
+// LoadDbConfigFromDb loads the configuration values from the database into the DbConfig struct.
+func (s *AppConfigService) LoadDbConfigFromDb() error {
+	dbConfigReflectValue := reflect.ValueOf(s.DbConfig).Elem()
+
+	for i := 0; i < dbConfigReflectValue.NumField(); i++ {
+		dbConfigField := dbConfigReflectValue.Field(i)
+		currentConfigVar := dbConfigField.Interface().(model.AppConfigVariable)
+		var storedConfigVar model.AppConfigVariable
+		if err := s.db.First(&storedConfigVar, "key = ?", currentConfigVar.Key).Error; err != nil {
+			return err
+		}
+
+		if common.EnvConfig.UiConfigDisabled {
+			storedConfigVar.Value = s.getConfigVariableFromEnvironmentVariable(currentConfigVar.Key, storedConfigVar.DefaultValue)
+		} else if storedConfigVar.Value == "" && storedConfigVar.DefaultValue != "" {
+			storedConfigVar.Value = storedConfigVar.DefaultValue
+		}
+
+		dbConfigField.Set(reflect.ValueOf(storedConfigVar))
+
+	}
+
+	return nil
+}
+
+func (s *AppConfigService) getConfigVariableFromEnvironmentVariable(key, fallbackValue string) string {
+	environmentVariableName := utils.CamelCaseToScreamingSnakeCase(key)
+
+	if value, exists := os.LookupEnv(environmentVariableName); exists {
+		return value
+	}
+
+	return fallbackValue
+}

backend/internal/service/audit_log_service.go

@@ -0,0 +1,99 @@
+package service
+
+import (
+	"log"
+
+	userAgentParser "github.com/mileusna/useragent"
+	"github.com/pocket-id/pocket-id/backend/internal/model"
+	"github.com/pocket-id/pocket-id/backend/internal/utils"
+	"github.com/pocket-id/pocket-id/backend/internal/utils/email"
+	"gorm.io/gorm"
+)
+
+type AuditLogService struct {
+	db               *gorm.DB
+	appConfigService *AppConfigService
+	emailService     *EmailService
+	geoliteService   *GeoLiteService
+}
+
+func NewAuditLogService(db *gorm.DB, appConfigService *AppConfigService, emailService *EmailService, geoliteService *GeoLiteService) *AuditLogService {
+	return &AuditLogService{db: db, appConfigService: appConfigService, emailService: emailService, geoliteService: geoliteService}
+}
+
+// Create creates a new audit log entry in the database
+func (s *AuditLogService) Create(event model.AuditLogEvent, ipAddress, userAgent, userID string, data model.AuditLogData) model.AuditLog {
+	country, city, err := s.geoliteService.GetLocationByIP(ipAddress)
+	if err != nil {
+		log.Printf("Failed to get IP location: %v\n", err)
+	}
+
+	auditLog := model.AuditLog{
+		Event:     event,
+		IpAddress: ipAddress,
+		Country:   country,
+		City:      city,
+		UserAgent: userAgent,
+		UserID:    userID,
+		Data:      data,
+	}
+
+	// Save the audit log in the database
+	if err := s.db.Create(&auditLog).Error; err != nil {
+		log.Printf("Failed to create audit log: %v\n", err)
+		return model.AuditLog{}
+	}
+
+	return auditLog
+}
+
+// CreateNewSignInWithEmail creates a new audit log entry in the database and sends an email if the device hasn't been used before
+func (s *AuditLogService) CreateNewSignInWithEmail(ipAddress, userAgent, userID string) model.AuditLog {
+	createdAuditLog := s.Create(model.AuditLogEventSignIn, ipAddress, userAgent, userID, model.AuditLogData{})
+
+	// Count the number of times the user has logged in from the same device
+	var count int64
+	err := s.db.Model(&model.AuditLog{}).Where("user_id = ? AND ip_address = ? AND user_agent = ?", userID, ipAddress, userAgent).Count(&count).Error
+	if err != nil {
+		log.Printf("Failed to count audit logs: %v\n", err)
+		return createdAuditLog
+	}
+
+	// If the user hasn't logged in from the same device before and email notifications are enabled, send an email
+	if s.appConfigService.DbConfig.EmailLoginNotificationEnabled.Value == "true" && count <= 1 {
+		go func() {
+			var user model.User
+			s.db.Where("id = ?", userID).First(&user)
+
+			err := SendEmail(s.emailService, email.Address{
+				Name:  user.Username,
+				Email: user.Email,
+			}, NewLoginTemplate, &NewLoginTemplateData{
+				IPAddress: ipAddress,
+				Country:   createdAuditLog.Country,
+				City:      createdAuditLog.City,
+				Device:    s.DeviceStringFromUserAgent(userAgent),
+				DateTime:  createdAuditLog.CreatedAt.UTC(),
+			})
+			if err != nil {
+				log.Printf("Failed to send email to '%s': %v\n", user.Email, err)
+			}
+		}()
+	}
+
+	return createdAuditLog
+}
+
+// ListAuditLogsForUser retrieves all audit logs for a given user ID
+func (s *AuditLogService) ListAuditLogsForUser(userID string, sortedPaginationRequest utils.SortedPaginationRequest) ([]model.AuditLog, utils.PaginationResponse, error) {
+	var logs []model.AuditLog
+	query := s.db.Model(&model.AuditLog{}).Where("user_id = ?", userID)
+
+	pagination, err := utils.PaginateAndSort(sortedPaginationRequest, query, &logs)
+	return logs, pagination, err
+}
+
+func (s *AuditLogService) DeviceStringFromUserAgent(userAgent string) string {
+	ua := userAgentParser.Parse(userAgent)
+	return ua.Name + " on " + ua.OS + " " + ua.OSVersion
+}

backend/internal/service/custom_claim_service.go

@@ -0,0 +1,197 @@
+package service
+
+import (
+	"github.com/pocket-id/pocket-id/backend/internal/common"
+	"github.com/pocket-id/pocket-id/backend/internal/dto"
+	"github.com/pocket-id/pocket-id/backend/internal/model"
+	"gorm.io/gorm"
+)
+
+// Reserved claims
+var reservedClaims = map[string]struct{}{
+	"given_name":         {},
+	"family_name":        {},
+	"name":               {},
+	"email":              {},
+	"preferred_username": {},
+	"groups":             {},
+	"sub":                {},
+	"iss":                {},
+	"aud":                {},
+	"exp":                {},
+	"iat":                {},
+	"auth_time":          {},
+	"nonce":              {},
+	"acr":                {},
+	"amr":                {},
+	"azp":                {},
+	"nbf":                {},
+	"jti":                {},
+}
+
+type CustomClaimService struct {
+	db *gorm.DB
+}
+
+func NewCustomClaimService(db *gorm.DB) *CustomClaimService {
+	return &CustomClaimService{db: db}
+}
+
+// isReservedClaim checks if a claim key is reserved e.g. email, preferred_username
+func isReservedClaim(key string) bool {
+	_, ok := reservedClaims[key]
+	return ok
+}
+
+// idType is the type of the id used to identify the user or user group
+type idType string
+
+const (
+	UserID      idType = "user_id"
+	UserGroupID idType = "user_group_id"
+)
+
+// UpdateCustomClaimsForUser updates the custom claims for a user
+func (s *CustomClaimService) UpdateCustomClaimsForUser(userID string, claims []dto.CustomClaimCreateDto) ([]model.CustomClaim, error) {
+	return s.updateCustomClaims(UserID, userID, claims)
+}
+
+// UpdateCustomClaimsForUserGroup updates the custom claims for a user group
+func (s *CustomClaimService) UpdateCustomClaimsForUserGroup(userGroupID string, claims []dto.CustomClaimCreateDto) ([]model.CustomClaim, error) {
+	return s.updateCustomClaims(UserGroupID, userGroupID, claims)
+}
+
+// updateCustomClaims updates the custom claims for a user or user group
+func (s *CustomClaimService) updateCustomClaims(idType idType, value string, claims []dto.CustomClaimCreateDto) ([]model.CustomClaim, error) {
+	// Check for duplicate keys in the claims slice
+	seenKeys := make(map[string]bool)
+	for _, claim := range claims {
+		if seenKeys[claim.Key] {
+			return nil, &common.DuplicateClaimError{Key: claim.Key}
+		}
+		seenKeys[claim.Key] = true
+	}
+
+	var existingClaims []model.CustomClaim
+	err := s.db.Where(string(idType), value).Find(&existingClaims).Error
+	if err != nil {
+		return nil, err
+	}
+
+	// Delete claims that are not in the new list
+	for _, existingClaim := range existingClaims {
+		found := false
+		for _, claim := range claims {
+			if claim.Key == existingClaim.Key {
+				found = true
+				break
+			}
+		}
+		if !found {
+			err = s.db.Delete(&existingClaim).Error
+			if err != nil {
+				return nil, err
+			}
+		}
+	}
+
+	// Add or update claims
+	for _, claim := range claims {
+		if isReservedClaim(claim.Key) {
+			return nil, &common.ReservedClaimError{Key: claim.Key}
+		}
+		customClaim := model.CustomClaim{
+			Key:   claim.Key,
+			Value: claim.Value,
+		}
+
+		if idType == UserID {
+			customClaim.UserID = &value
+		} else if idType == UserGroupID {
+			customClaim.UserGroupID = &value
+		}
+
+		// Update the claim if it already exists or create a new one
+		err = s.db.Where(string(idType)+" = ? AND key = ?", value, claim.Key).Assign(&customClaim).FirstOrCreate(&model.CustomClaim{}).Error
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	// Get the updated claims
+	var updatedClaims []model.CustomClaim
+	err = s.db.Where(string(idType)+" = ?", value).Find(&updatedClaims).Error
+	if err != nil {
+		return nil, err
+	}
+
+	return updatedClaims, nil
+}
+
+func (s *CustomClaimService) GetCustomClaimsForUser(userID string) ([]model.CustomClaim, error) {
+	var customClaims []model.CustomClaim
+	err := s.db.Where("user_id = ?", userID).Find(&customClaims).Error
+	return customClaims, err
+}
+
+func (s *CustomClaimService) GetCustomClaimsForUserGroup(userGroupID string) ([]model.CustomClaim, error) {
+	var customClaims []model.CustomClaim
+	err := s.db.Where("user_group_id = ?", userGroupID).Find(&customClaims).Error
+	return customClaims, err
+}
+
+// GetCustomClaimsForUserWithUserGroups returns the custom claims of a user and all user groups the user is a member of,
+// prioritizing the user's claims over user group claims with the same key.
+func (s *CustomClaimService) GetCustomClaimsForUserWithUserGroups(userID string) ([]model.CustomClaim, error) {
+	// Get the custom claims of the user
+	customClaims, err := s.GetCustomClaimsForUser(userID)
+	if err != nil {
+		return nil, err
+	}
+
+	// Store user's claims in a map to prioritize and prevent duplicates
+	claimsMap := make(map[string]model.CustomClaim)
+	for _, claim := range customClaims {
+		claimsMap[claim.Key] = claim
+	}
+
+	// Get all user groups of the user
+	var userGroupsOfUser []model.UserGroup
+	err = s.db.Preload("CustomClaims").
+		Joins("JOIN user_groups_users ON user_groups_users.user_group_id = user_groups.id").
+		Where("user_groups_users.user_id = ?", userID).
+		Find(&userGroupsOfUser).Error
+	if err != nil {
+		return nil, err
+	}
+
+	// Add only non-duplicate custom claims from user groups
+	for _, userGroup := range userGroupsOfUser {
+		for _, groupClaim := range userGroup.CustomClaims {
+			// Only add claim if it does not exist in the user's claims
+			if _, exists := claimsMap[groupClaim.Key]; !exists {
+				claimsMap[groupClaim.Key] = groupClaim
+			}
+		}
+	}
+
+	// Convert the claimsMap back to a slice
+	finalClaims := make([]model.CustomClaim, 0, len(claimsMap))
+	for _, claim := range claimsMap {
+		finalClaims = append(finalClaims, claim)
+	}
+
+	return finalClaims, nil
+}
+
+// GetSuggestions returns a list of custom claim keys that have been used before
+func (s *CustomClaimService) GetSuggestions() ([]string, error) {
+	var customClaimsKeys []string
+
+	err := s.db.Model(&model.CustomClaim{}).
+		Group("key").
+		Order("COUNT(*) DESC").
+		Pluck("key", &customClaimsKeys).Error
+
+	return customClaimsKeys, err
+}

backend/internal/service/email_service.go

@@ -0,0 +1,287 @@
+package service
+
+import (
+	"bytes"
+	"crypto/tls"
+	"fmt"
+	htemplate "html/template"
+	"mime/multipart"
+	"mime/quotedprintable"
+	"net"
+	"net/smtp"
+	"net/textproto"
+	"os"
+	ttemplate "text/template"
+	"time"
+
+	"github.com/pocket-id/pocket-id/backend/internal/common"
+	"github.com/pocket-id/pocket-id/backend/internal/model"
+	"github.com/pocket-id/pocket-id/backend/internal/utils/email"
+	"gorm.io/gorm"
+)
+
+var netDialer = &net.Dialer{
+	Timeout: 3 * time.Second,
+}
+
+type EmailService struct {
+	appConfigService *AppConfigService
+	db               *gorm.DB
+	htmlTemplates    map[string]*htemplate.Template
+	textTemplates    map[string]*ttemplate.Template
+}
+
+func NewEmailService(appConfigService *AppConfigService, db *gorm.DB) (*EmailService, error) {
+	htmlTemplates, err := email.PrepareHTMLTemplates(emailTemplatesPaths)
+	if err != nil {
+		return nil, fmt.Errorf("prepare html templates: %w", err)
+	}
+
+	textTemplates, err := email.PrepareTextTemplates(emailTemplatesPaths)
+	if err != nil {
+		return nil, fmt.Errorf("prepare html templates: %w", err)
+	}
+
+	return &EmailService{
+		appConfigService: appConfigService,
+		db:               db,
+		htmlTemplates:    htmlTemplates,
+		textTemplates:    textTemplates,
+	}, nil
+}
+
+func (srv *EmailService) SendTestEmail(recipientUserId string) error {
+	var user model.User
+	if err := srv.db.First(&user, "id = ?", recipientUserId).Error; err != nil {
+		return err
+	}
+
+	return SendEmail(srv,
+		email.Address{
+			Email: user.Email,
+			Name:  user.FullName(),
+		}, TestTemplate, nil)
+}
+
+func SendEmail[V any](srv *EmailService, toEmail email.Address, template email.Template[V], tData *V) error {
+	data := &email.TemplateData[V]{
+		AppName: srv.appConfigService.DbConfig.AppName.Value,
+		LogoURL: common.EnvConfig.AppURL + "/api/application-configuration/logo",
+		Data:    tData,
+	}
+
+	body, boundary, err := prepareBody(srv, template, data)
+	if err != nil {
+		return fmt.Errorf("prepare email body for '%s': %w", template.Path, err)
+	}
+
+	// Construct the email message
+	c := email.NewComposer()
+	c.AddHeader("Subject", template.Title(data))
+	c.AddAddressHeader("From", []email.Address{
+		{
+			Email: srv.appConfigService.DbConfig.SmtpFrom.Value,
+			Name:  srv.appConfigService.DbConfig.AppName.Value,
+		},
+	})
+	c.AddAddressHeader("To", []email.Address{toEmail})
+	c.AddHeaderRaw("Content-Type",
+		fmt.Sprintf("multipart/alternative;\n boundary=%s;\n charset=UTF-8", boundary),
+	)
+	c.Body(body)
+
+	// Connect to the SMTP server
+	client, err := srv.getSmtpClient()
+	if err != nil {
+		return fmt.Errorf("failed to connect to SMTP server: %w", err)
+	}
+	defer client.Close()
+
+	// Send the email
+	if err := srv.sendEmailContent(client, toEmail, c); err != nil {
+		return fmt.Errorf("send email content: %w", err)
+	}
+
+	return nil
+}
+
+func (srv *EmailService) getSmtpClient() (client *smtp.Client, err error) {
+	port := srv.appConfigService.DbConfig.SmtpPort.Value
+	smtpAddress := srv.appConfigService.DbConfig.SmtpHost.Value + ":" + port
+
+	tlsConfig := &tls.Config{
+		InsecureSkipVerify: srv.appConfigService.DbConfig.SmtpSkipCertVerify.Value == "true",
+		ServerName:         srv.appConfigService.DbConfig.SmtpHost.Value,
+	}
+
+	// Connect to the SMTP server
+	if srv.appConfigService.DbConfig.SmtpTls.Value == "false" {
+		client, err = srv.connectToSmtpServer(smtpAddress)
+	} else if port == "465" {
+		client, err = srv.connectToSmtpServerUsingImplicitTLS(
+			smtpAddress,
+			tlsConfig,
+		)
+	} else {
+		client, err = srv.connectToSmtpServerUsingStartTLS(
+			smtpAddress,
+			tlsConfig,
+		)
+	}
+	if err != nil {
+		return nil, fmt.Errorf("failed to connect to SMTP server: %w", err)
+	}
+
+	// Set up the authentication if user or password are set
+	smtpUser := srv.appConfigService.DbConfig.SmtpUser.Value
+	smtpPassword := srv.appConfigService.DbConfig.SmtpPassword.Value
+
+	if smtpUser != "" || smtpPassword != "" {
+		auth := smtp.PlainAuth("",
+			srv.appConfigService.DbConfig.SmtpUser.Value,
+			srv.appConfigService.DbConfig.SmtpPassword.Value,
+			srv.appConfigService.DbConfig.SmtpHost.Value,
+		)
+		if err := client.Auth(auth); err != nil {
+			return nil, fmt.Errorf("failed to authenticate SMTP client: %w", err)
+		}
+	}
+
+	return client, err
+}
+
+func (srv *EmailService) connectToSmtpServer(serverAddr string) (*smtp.Client, error) {
+	conn, err := netDialer.Dial("tcp", serverAddr)
+	if err != nil {
+		return nil, fmt.Errorf("failed to connect to SMTP server: %w", err)
+	}
+	client, err := smtp.NewClient(conn, srv.appConfigService.DbConfig.SmtpHost.Value)
+	if err != nil {
+		conn.Close()
+		return nil, fmt.Errorf("failed to create SMTP client: %w", err)
+	}
+
+	if err := srv.sendHelloCommand(client); err != nil {
+		return nil, fmt.Errorf("failed to say hello to SMTP server: %w", err)
+	}
+
+	return client, err
+}
+
+func (srv *EmailService) connectToSmtpServerUsingImplicitTLS(serverAddr string, tlsConfig *tls.Config) (*smtp.Client, error) {
+	tlsDialer := &tls.Dialer{
+		NetDialer: netDialer,
+		Config:    tlsConfig,
+	}
+	conn, err := tlsDialer.Dial("tcp", serverAddr)
+	if err != nil {
+		return nil, fmt.Errorf("failed to connect to SMTP server: %w", err)
+	}
+
+	client, err := smtp.NewClient(conn, srv.appConfigService.DbConfig.SmtpHost.Value)
+	if err != nil {
+		conn.Close()
+		return nil, fmt.Errorf("failed to create SMTP client: %w", err)
+	}
+
+	if err := srv.sendHelloCommand(client); err != nil {
+		return nil, fmt.Errorf("failed to say hello to SMTP server: %w", err)
+	}
+
+	return client, nil
+}
+
+func (srv *EmailService) connectToSmtpServerUsingStartTLS(serverAddr string, tlsConfig *tls.Config) (*smtp.Client, error) {
+	conn, err := netDialer.Dial("tcp", serverAddr)
+	if err != nil {
+		return nil, fmt.Errorf("failed to connect to SMTP server: %w", err)
+	}
+
+	client, err := smtp.NewClient(conn, srv.appConfigService.DbConfig.SmtpHost.Value)
+	if err != nil {
+		conn.Close()
+		return nil, fmt.Errorf("failed to create SMTP client: %w", err)
+	}
+
+	if err := srv.sendHelloCommand(client); err != nil {
+		return nil, fmt.Errorf("failed to say hello to SMTP server: %w", err)
+	}
+
+	if err := client.StartTLS(tlsConfig); err != nil {
+		return nil, fmt.Errorf("failed to start TLS: %w", err)
+	}
+	return client, nil
+}
+
+func (srv *EmailService) sendHelloCommand(client *smtp.Client) error {
+	hostname, err := os.Hostname()
+	if err == nil {
+		if err := client.Hello(hostname); err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+func (srv *EmailService) sendEmailContent(client *smtp.Client, toEmail email.Address, c *email.Composer) error {
+	if err := client.Mail(srv.appConfigService.DbConfig.SmtpFrom.Value); err != nil {
+		return fmt.Errorf("failed to set sender: %w", err)
+	}
+	if err := client.Rcpt(toEmail.Email); err != nil {
+		return fmt.Errorf("failed to set recipient: %w", err)
+	}
+	w, err := client.Data()
+	if err != nil {
+		return fmt.Errorf("failed to start data: %w", err)
+	}
+	_, err = w.Write([]byte(c.String()))
+	if err != nil {
+		return fmt.Errorf("failed to write email data: %w", err)
+	}
+	if err := w.Close(); err != nil {
+		return fmt.Errorf("failed to close data writer: %w", err)
+	}
+	return nil
+}
+
+func prepareBody[V any](srv *EmailService, template email.Template[V], data *email.TemplateData[V]) (string, string, error) {
+	body := bytes.NewBuffer(nil)
+	mpart := multipart.NewWriter(body)
+
+	// prepare text part
+	var textHeader = textproto.MIMEHeader{}
+	textHeader.Add("Content-Type", "text/plain;\n charset=UTF-8")
+	textHeader.Add("Content-Transfer-Encoding", "quoted-printable")
+	textPart, err := mpart.CreatePart(textHeader)
+	if err != nil {
+		return "", "", fmt.Errorf("create text part: %w", err)
+	}
+
+	textQp := quotedprintable.NewWriter(textPart)
+	err = email.GetTemplate(srv.textTemplates, template).ExecuteTemplate(textQp, "root", data)
+	if err != nil {
+		return "", "", fmt.Errorf("execute text template: %w", err)
+	}
+
+	// prepare html part
+	var htmlHeader = textproto.MIMEHeader{}
+	htmlHeader.Add("Content-Type", "text/html;\n charset=UTF-8")
+	htmlHeader.Add("Content-Transfer-Encoding", "quoted-printable")
+	htmlPart, err := mpart.CreatePart(htmlHeader)
+	if err != nil {
+		return "", "", fmt.Errorf("create html part: %w", err)
+	}
+
+	htmlQp := quotedprintable.NewWriter(htmlPart)
+	err = email.GetTemplate(srv.htmlTemplates, template).ExecuteTemplate(htmlQp, "root", data)
+	if err != nil {
+		return "", "", fmt.Errorf("execute html template: %w", err)
+	}
+
+	err = mpart.Close()
+	if err != nil {
+		return "", "", fmt.Errorf("close multipart: %w", err)
+	}
+
+	return body.String(), mpart.Boundary(), nil
+}

backend/internal/service/email_service_templates.go

@@ -0,0 +1,58 @@
+package service
+
+import (
+	"fmt"
+	"time"
+
+	"github.com/pocket-id/pocket-id/backend/internal/utils/email"
+)
+
+/**
+How to add new template:
+- pick unique and descriptive template ${name} (for example "login-with-new-device")
+- in backend/resources/email-templates/ create "${name}_html.tmpl" and "${name}_text.tmpl"
+- create xxxxTemplate and xxxxTemplateData (for example NewLoginTemplate and NewLoginTemplateData)
+  - Path *must* be ${name}
+- add xxxTemplate.Path to "emailTemplatePaths" at the end
+
+Notes:
+- backend app must be restarted to reread all the template files
+- root "." object in templates is `email.TemplateData`
+- xxxxTemplateData structure is visible under .Data in templates
+*/
+
+var NewLoginTemplate = email.Template[NewLoginTemplateData]{
+	Path: "login-with-new-device",
+	Title: func(data *email.TemplateData[NewLoginTemplateData]) string {
+		return fmt.Sprintf("New device login with %s", data.AppName)
+	},
+}
+
+var OneTimeAccessTemplate = email.Template[OneTimeAccessTemplateData]{
+	Path: "one-time-access",
+	Title: func(data *email.TemplateData[OneTimeAccessTemplateData]) string {
+		return "One time access"
+	},
+}
+
+var TestTemplate = email.Template[struct{}]{
+	Path: "test",
+	Title: func(data *email.TemplateData[struct{}]) string {
+		return "Test email"
+	},
+}
+
+type NewLoginTemplateData struct {
+	IPAddress string
+	Country   string
+	City      string
+	Device    string
+	DateTime  time.Time
+}
+
+type OneTimeAccessTemplateData = struct {
+	Link string
+}
+
+// this is list of all template paths used for preloading templates
+var emailTemplatesPaths = []string{NewLoginTemplate.Path, OneTimeAccessTemplate.Path, TestTemplate.Path}

backend/internal/service/geolite_service.go

@@ -0,0 +1,222 @@
+package service
+
+import (
+	"archive/tar"
+	"compress/gzip"
+	"errors"
+	"fmt"
+	"io"
+	"log"
+	"net"
+	"net/http"
+	"net/netip"
+	"os"
+	"path/filepath"
+	"sync"
+	"time"
+
+	"github.com/oschwald/maxminddb-golang/v2"
+
+	"github.com/pocket-id/pocket-id/backend/internal/common"
+)
+
+type GeoLiteService struct {
+	disableUpdater bool
+	mutex          sync.Mutex
+}
+
+var localhostIPNets = []*net.IPNet{
+	{IP: net.IPv4(127, 0, 0, 0), Mask: net.CIDRMask(8, 32)}, // 127.0.0.0/8
+	{IP: net.IPv6loopback, Mask: net.CIDRMask(128, 128)},    // ::1/128
+}
+
+var privateLanIPNets = []*net.IPNet{
+	{IP: net.IPv4(10, 0, 0, 0), Mask: net.CIDRMask(8, 32)},     // 10.0.0.0/8
+	{IP: net.IPv4(172, 16, 0, 0), Mask: net.CIDRMask(12, 32)},  // 172.16.0.0/12
+	{IP: net.IPv4(192, 168, 0, 0), Mask: net.CIDRMask(16, 32)}, // 192.168.0.0/16
+}
+
+var tailscaleIPNets = []*net.IPNet{
+	{IP: net.IPv4(100, 64, 0, 0), Mask: net.CIDRMask(10, 32)}, // 100.64.0.0/10
+}
+
+// NewGeoLiteService initializes a new GeoLiteService instance and starts a goroutine to update the GeoLite2 City database.
+func NewGeoLiteService() *GeoLiteService {
+	service := &GeoLiteService{}
+
+	if common.EnvConfig.MaxMindLicenseKey == "" && common.EnvConfig.GeoLiteDBUrl == common.MaxMindGeoLiteCityUrl {
+		// Warn the user, and disable the updater.
+		log.Println("MAXMIND_LICENSE_KEY environment variable is empty. The GeoLite2 City database won't be updated.")
+		service.disableUpdater = true
+	}
+
+	go func() {
+		if err := service.updateDatabase(); err != nil {
+			log.Printf("Failed to update GeoLite2 City database: %v\n", err)
+		}
+	}()
+
+	return service
+}
+
+// GetLocationByIP returns the country and city of the given IP address.
+func (s *GeoLiteService) GetLocationByIP(ipAddress string) (country, city string, err error) {
+	// Check the IP address against known private IP ranges
+	if ip := net.ParseIP(ipAddress); ip != nil {
+		for _, ipNet := range tailscaleIPNets {
+			if ipNet.Contains(ip) {
+				return "Internal Network", "Tailscale", nil
+			}
+		}
+		for _, ipNet := range privateLanIPNets {
+			if ipNet.Contains(ip) {
+				return "Internal Network", "LAN/Docker/k8s", nil
+			}
+		}
+		for _, ipNet := range localhostIPNets {
+			if ipNet.Contains(ip) {
+				return "Internal Network", "localhost", nil
+			}
+		}
+	}
+
+	// Race condition between reading and writing the database.
+	s.mutex.Lock()
+	defer s.mutex.Unlock()
+
+	db, err := maxminddb.Open(common.EnvConfig.GeoLiteDBPath)
+	if err != nil {
+		return "", "", err
+	}
+	defer db.Close()
+
+	addr := netip.MustParseAddr(ipAddress)
+
+	var record struct {
+		City struct {
+			Names map[string]string `maxminddb:"names"`
+		} `maxminddb:"city"`
+		Country struct {
+			Names map[string]string `maxminddb:"names"`
+		} `maxminddb:"country"`
+	}
+
+	err = db.Lookup(addr).Decode(&record)
+	if err != nil {
+		return "", "", err
+	}
+
+	return record.Country.Names["en"], record.City.Names["en"], nil
+}
+
+// UpdateDatabase checks the age of the database and updates it if it's older than 14 days.
+func (s *GeoLiteService) updateDatabase() error {
+	if s.disableUpdater {
+		// Avoid updating the GeoLite2 City database.
+		return nil
+	}
+
+	if s.isDatabaseUpToDate() {
+		log.Println("GeoLite2 City database is up-to-date.")
+		return nil
+	}
+
+	log.Println("Updating GeoLite2 City database...")
+	downloadUrl := fmt.Sprintf(common.EnvConfig.GeoLiteDBUrl, common.EnvConfig.MaxMindLicenseKey)
+
+	// Download the database tar.gz file
+	resp, err := http.Get(downloadUrl)
+	if err != nil {
+		return fmt.Errorf("failed to download database: %w", err)
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != http.StatusOK {
+		return fmt.Errorf("failed to download database, received HTTP %d", resp.StatusCode)
+	}
+
+	// Extract the database file directly to the target path
+	if err := s.extractDatabase(resp.Body); err != nil {
+		return fmt.Errorf("failed to extract database: %w", err)
+	}
+
+	log.Println("GeoLite2 City database successfully updated.")
+	return nil
+}
+
+// isDatabaseUpToDate checks if the database file is older than 14 days.
+func (s *GeoLiteService) isDatabaseUpToDate() bool {
+	info, err := os.Stat(common.EnvConfig.GeoLiteDBPath)
+	if err != nil {
+		// If the file doesn't exist, treat it as not up-to-date
+		return false
+	}
+	return time.Since(info.ModTime()) < 14*24*time.Hour
+}
+
+// extractDatabase extracts the database file from the tar.gz archive directly to the target location.
+func (s *GeoLiteService) extractDatabase(reader io.Reader) error {
+	gzr, err := gzip.NewReader(reader)
+	if err != nil {
+		return fmt.Errorf("failed to create gzip reader: %w", err)
+	}
+	defer gzr.Close()
+
+	tarReader := tar.NewReader(gzr)
+
+	// Iterate over the files in the tar archive
+	for {
+		header, err := tarReader.Next()
+		if err == io.EOF {
+			break
+		}
+		if err != nil {
+			return fmt.Errorf("failed to read tar archive: %w", err)
+		}
+
+		// Check if the file is the GeoLite2-City.mmdb file
+		if header.Typeflag == tar.TypeReg && filepath.Base(header.Name) == "GeoLite2-City.mmdb" {
+			// extract to a temporary file to avoid having a corrupted db in case of write failure.
+			baseDir := filepath.Dir(common.EnvConfig.GeoLiteDBPath)
+			tmpFile, err := os.CreateTemp(baseDir, "geolite.*.mmdb.tmp")
+			if err != nil {
+				return fmt.Errorf("failed to create temporary database file: %w", err)
+			}
+			tempName := tmpFile.Name()
+
+			// Write the file contents directly to the target location
+			if _, err := io.Copy(tmpFile, tarReader); err != nil {
+				// if fails to write, then cleanup and throw an error
+				tmpFile.Close()
+				os.Remove(tempName)
+				return fmt.Errorf("failed to write database file: %w", err)
+			}
+			tmpFile.Close()
+
+			// ensure the database is not corrupted
+			db, err := maxminddb.Open(tempName)
+			if err != nil {
+				// if fails to write, then cleanup and throw an error
+				os.Remove(tempName)
+				return fmt.Errorf("failed to open downloaded database file: %w", err)
+			}
+			db.Close()
+
+			// ensure we lock the structure before we overwrite the database
+			// to prevent race conditions between reading and writing the mmdb.
+			s.mutex.Lock()
+			// replace the old file with the new file
+			err = os.Rename(tempName, common.EnvConfig.GeoLiteDBPath)
+			s.mutex.Unlock()
+
+			if err != nil {
+				// if cannot overwrite via rename, then cleanup and throw an error
+				os.Remove(tempName)
+				return fmt.Errorf("failed to replace database file: %w", err)
+			}
+			return nil
+		}
+	}
+
+	return errors.New("GeoLite2-City.mmdb not found in archive")
+}

backend/internal/service/jwt_service.go

@@ -0,0 +1,299 @@
+package service
+
+import (
+	"crypto/rand"
+	"crypto/rsa"
+	"crypto/sha256"
+	"crypto/x509"
+	"encoding/base64"
+	"encoding/pem"
+	"errors"
+	"log"
+	"math/big"
+	"os"
+	"path/filepath"
+	"slices"
+	"strconv"
+	"time"
+
+	"github.com/golang-jwt/jwt/v5"
+	"github.com/pocket-id/pocket-id/backend/internal/common"
+	"github.com/pocket-id/pocket-id/backend/internal/model"
+)
+
+const (
+	privateKeyPath = "data/keys/jwt_private_key.pem"
+	publicKeyPath  = "data/keys/jwt_public_key.pem"
+)
+
+type JwtService struct {
+	PublicKey        *rsa.PublicKey
+	PrivateKey       *rsa.PrivateKey
+	appConfigService *AppConfigService
+}
+
+func NewJwtService(appConfigService *AppConfigService) *JwtService {
+	service := &JwtService{
+		appConfigService: appConfigService,
+	}
+
+	// Ensure keys are generated or loaded
+	if err := service.loadOrGenerateKeys(); err != nil {
+		log.Fatalf("Failed to initialize jwt service: %v", err)
+	}
+
+	return service
+}
+
+type AccessTokenJWTClaims struct {
+	jwt.RegisteredClaims
+	IsAdmin bool `json:"isAdmin,omitempty"`
+}
+
+type JWK struct {
+	Kid string `json:"kid"`
+	Kty string `json:"kty"`
+	Use string `json:"use"`
+	Alg string `json:"alg"`
+	N   string `json:"n"`
+	E   string `json:"e"`
+}
+
+// loadOrGenerateKeys loads RSA keys from the given paths or generates them if they do not exist.
+func (s *JwtService) loadOrGenerateKeys() error {
+	if _, err := os.Stat(privateKeyPath); os.IsNotExist(err) {
+		if err := s.generateKeys(); err != nil {
+			return err
+		}
+	}
+
+	privateKeyBytes, err := os.ReadFile(privateKeyPath)
+	if err != nil {
+		return errors.New("can't read jwt private key: " + err.Error())
+	}
+	s.PrivateKey, err = jwt.ParseRSAPrivateKeyFromPEM(privateKeyBytes)
+	if err != nil {
+		return errors.New("can't parse jwt private key: " + err.Error())
+	}
+
+	publicKeyBytes, err := os.ReadFile(publicKeyPath)
+	if err != nil {
+		return errors.New("can't read jwt public key: " + err.Error())
+	}
+	s.PublicKey, err = jwt.ParseRSAPublicKeyFromPEM(publicKeyBytes)
+	if err != nil {
+		return errors.New("can't parse jwt public key: " + err.Error())
+	}
+
+	return nil
+}
+
+func (s *JwtService) GenerateAccessToken(user model.User) (string, error) {
+	sessionDurationInMinutes, _ := strconv.Atoi(s.appConfigService.DbConfig.SessionDuration.Value)
+	claim := AccessTokenJWTClaims{
+		RegisteredClaims: jwt.RegisteredClaims{
+			Subject:   user.ID,
+			ExpiresAt: jwt.NewNumericDate(time.Now().Add(time.Duration(sessionDurationInMinutes) * time.Minute)),
+			IssuedAt:  jwt.NewNumericDate(time.Now()),
+			Audience:  jwt.ClaimStrings{common.EnvConfig.AppURL},
+		},
+		IsAdmin: user.IsAdmin,
+	}
+
+	kid, err := s.generateKeyID(s.PublicKey)
+	if err != nil {
+		return "", errors.New("failed to generate key ID: " + err.Error())
+	}
+
+	token := jwt.NewWithClaims(jwt.SigningMethodRS256, claim)
+	token.Header["kid"] = kid
+
+	return token.SignedString(s.PrivateKey)
+}
+
+func (s *JwtService) VerifyAccessToken(tokenString string) (*AccessTokenJWTClaims, error) {
+	token, err := jwt.ParseWithClaims(tokenString, &AccessTokenJWTClaims{}, func(token *jwt.Token) (interface{}, error) {
+		return s.PublicKey, nil
+	})
+	if err != nil || !token.Valid {
+		return nil, errors.New("couldn't handle this token")
+	}
+
+	claims, isValid := token.Claims.(*AccessTokenJWTClaims)
+	if !isValid {
+		return nil, errors.New("can't parse claims")
+	}
+
+	if !slices.Contains(claims.Audience, common.EnvConfig.AppURL) {
+		return nil, errors.New("audience doesn't match")
+	}
+	return claims, nil
+}
+
+func (s *JwtService) GenerateIDToken(userClaims map[string]interface{}, clientID string, nonce string) (string, error) {
+	claims := jwt.MapClaims{
+		"aud": clientID,
+		"exp": jwt.NewNumericDate(time.Now().Add(1 * time.Hour)),
+		"iat": jwt.NewNumericDate(time.Now()),
+		"iss": common.EnvConfig.AppURL,
+	}
+
+	for k, v := range userClaims {
+		claims[k] = v
+	}
+
+	if nonce != "" {
+		claims["nonce"] = nonce
+	}
+
+	kid, err := s.generateKeyID(s.PublicKey)
+	if err != nil {
+		return "", errors.New("failed to generate key ID: " + err.Error())
+	}
+
+	token := jwt.NewWithClaims(jwt.SigningMethodRS256, claims)
+	token.Header["kid"] = kid
+
+	return token.SignedString(s.PrivateKey)
+}
+
+func (s *JwtService) GenerateOauthAccessToken(user model.User, clientID string) (string, error) {
+	claim := jwt.RegisteredClaims{
+		Subject:   user.ID,
+		ExpiresAt: jwt.NewNumericDate(time.Now().Add(1 * time.Hour)),
+		IssuedAt:  jwt.NewNumericDate(time.Now()),
+		Audience:  jwt.ClaimStrings{clientID},
+		Issuer:    common.EnvConfig.AppURL,
+	}
+
+	kid, err := s.generateKeyID(s.PublicKey)
+	if err != nil {
+		return "", errors.New("failed to generate key ID: " + err.Error())
+	}
+
+	token := jwt.NewWithClaims(jwt.SigningMethodRS256, claim)
+	token.Header["kid"] = kid
+
+	return token.SignedString(s.PrivateKey)
+}
+
+func (s *JwtService) VerifyOauthAccessToken(tokenString string) (*jwt.RegisteredClaims, error) {
+	token, err := jwt.ParseWithClaims(tokenString, &jwt.RegisteredClaims{}, func(token *jwt.Token) (interface{}, error) {
+		return s.PublicKey, nil
+	})
+	if err != nil || !token.Valid {
+		return nil, errors.New("couldn't handle this token")
+	}
+
+	claims, isValid := token.Claims.(*jwt.RegisteredClaims)
+	if !isValid {
+		return nil, errors.New("can't parse claims")
+	}
+
+	return claims, nil
+}
+
+func (s *JwtService) VerifyIdToken(tokenString string) (*jwt.RegisteredClaims, error) {
+	token, err := jwt.ParseWithClaims(tokenString, &jwt.RegisteredClaims{}, func(token *jwt.Token) (interface{}, error) {
+		return s.PublicKey, nil
+	}, jwt.WithIssuer(common.EnvConfig.AppURL))
+
+	if err != nil && !errors.Is(err, jwt.ErrTokenExpired) {
+		return nil, errors.New("couldn't handle this token")
+	}
+
+	claims, isValid := token.Claims.(*jwt.RegisteredClaims)
+	if !isValid {
+		return nil, errors.New("can't parse claims")
+	}
+
+	return claims, nil
+}
+
+// GetJWK returns the JSON Web Key (JWK) for the public key.
+func (s *JwtService) GetJWK() (JWK, error) {
+	if s.PublicKey == nil {
+		return JWK{}, errors.New("public key is not initialized")
+	}
+
+	kid, err := s.generateKeyID(s.PublicKey)
+	if err != nil {
+		return JWK{}, err
+	}
+
+	jwk := JWK{
+		Kid: kid,
+		Kty: "RSA",
+		Use: "sig",
+		Alg: "RS256",
+		N:   base64.RawURLEncoding.EncodeToString(s.PublicKey.N.Bytes()),
+		E:   base64.RawURLEncoding.EncodeToString(big.NewInt(int64(s.PublicKey.E)).Bytes()),
+	}
+
+	return jwk, nil
+}
+
+// GenerateKeyID generates a Key ID for the public key using the first 8 bytes of the SHA-256 hash of the public key.
+func (s *JwtService) generateKeyID(publicKey *rsa.PublicKey) (string, error) {
+	pubASN1, err := x509.MarshalPKIXPublicKey(publicKey)
+	if err != nil {
+		return "", errors.New("failed to marshal public key: " + err.Error())
+	}
+
+	// Compute SHA-256 hash of the public key
+	hash := sha256.New()
+	hash.Write(pubASN1)
+	hashed := hash.Sum(nil)
+
+	// Truncate the hash to the first 8 bytes for a shorter Key ID
+	shortHash := hashed[:8]
+
+	// Return Base64 encoded truncated hash as Key ID
+	return base64.RawURLEncoding.EncodeToString(shortHash), nil
+}
+
+// generateKeys generates a new RSA key pair and saves them to the specified paths.
+func (s *JwtService) generateKeys() error {
+	if err := os.MkdirAll(filepath.Dir(privateKeyPath), 0700); err != nil {
+		return errors.New("failed to create directories for keys: " + err.Error())
+	}
+
+	privateKey, err := rsa.GenerateKey(rand.Reader, 2048)
+	if err != nil {
+		return errors.New("failed to generate private key: " + err.Error())
+	}
+	s.PrivateKey = privateKey
+
+	if err := s.savePEMKey(privateKeyPath, x509.MarshalPKCS1PrivateKey(privateKey), "RSA PRIVATE KEY"); err != nil {
+		return err
+	}
+
+	publicKey := &privateKey.PublicKey
+	s.PublicKey = publicKey
+
+	if err := s.savePEMKey(publicKeyPath, x509.MarshalPKCS1PublicKey(publicKey), "RSA PUBLIC KEY"); err != nil {
+		return err
+	}
+
+	return nil
+}
+
+// savePEMKey saves a PEM encoded key to a file.
+func (s *JwtService) savePEMKey(path string, keyBytes []byte, keyType string) error {
+	keyFile, err := os.Create(path)
+	if err != nil {
+		return errors.New("failed to create key file: " + err.Error())
+	}
+	defer keyFile.Close()
+
+	keyPEM := pem.EncodeToMemory(&pem.Block{
+		Type:  keyType,
+		Bytes: keyBytes,
+	})
+
+	if _, err := keyFile.Write(keyPEM); err != nil {
+		return errors.New("failed to write key file: " + err.Error())
+	}
+
+	return nil
+}

backend/internal/service/ldap_service.go

@@ -0,0 +1,304 @@
+package service
+
+import (
+	"bytes"
+	"crypto/tls"
+	"encoding/base64"
+	"fmt"
+	"io"
+	"log"
+	"net/http"
+	"net/url"
+	"strings"
+
+	"github.com/go-ldap/ldap/v3"
+	"github.com/pocket-id/pocket-id/backend/internal/dto"
+	"github.com/pocket-id/pocket-id/backend/internal/model"
+	"gorm.io/gorm"
+)
+
+type LdapService struct {
+	db               *gorm.DB
+	appConfigService *AppConfigService
+	userService      *UserService
+	groupService     *UserGroupService
+}
+
+func NewLdapService(db *gorm.DB, appConfigService *AppConfigService, userService *UserService, groupService *UserGroupService) *LdapService {
+	return &LdapService{db: db, appConfigService: appConfigService, userService: userService, groupService: groupService}
+}
+
+func (s *LdapService) createClient() (*ldap.Conn, error) {
+	if s.appConfigService.DbConfig.LdapEnabled.Value != "true" {
+		return nil, fmt.Errorf("LDAP is not enabled")
+	}
+	// Setup LDAP connection
+	ldapURL := s.appConfigService.DbConfig.LdapUrl.Value
+	skipTLSVerify := s.appConfigService.DbConfig.LdapSkipCertVerify.Value == "true"
+	client, err := ldap.DialURL(ldapURL, ldap.DialWithTLSConfig(&tls.Config{InsecureSkipVerify: skipTLSVerify}))
+	if err != nil {
+		return nil, fmt.Errorf("failed to connect to LDAP: %w", err)
+	}
+
+	// Bind as service account
+	bindDn := s.appConfigService.DbConfig.LdapBindDn.Value
+	bindPassword := s.appConfigService.DbConfig.LdapBindPassword.Value
+	err = client.Bind(bindDn, bindPassword)
+	if err != nil {
+		return nil, fmt.Errorf("failed to bind to LDAP: %w", err)
+	}
+	return client, nil
+}
+
+func (s *LdapService) SyncAll() error {
+	err := s.SyncUsers()
+	if err != nil {
+		return fmt.Errorf("failed to sync users: %w", err)
+	}
+
+	err = s.SyncGroups()
+	if err != nil {
+		return fmt.Errorf("failed to sync groups: %w", err)
+	}
+
+	return nil
+}
+
+func (s *LdapService) SyncGroups() error {
+	// Setup LDAP connection
+	client, err := s.createClient()
+	if err != nil {
+		return fmt.Errorf("failed to create LDAP client: %w", err)
+	}
+	defer client.Close()
+
+	baseDN := s.appConfigService.DbConfig.LdapBase.Value
+	nameAttribute := s.appConfigService.DbConfig.LdapAttributeGroupName.Value
+	uniqueIdentifierAttribute := s.appConfigService.DbConfig.LdapAttributeGroupUniqueIdentifier.Value
+	groupMemberOfAttribute := s.appConfigService.DbConfig.LdapAttributeGroupMember.Value
+	filter := s.appConfigService.DbConfig.LdapUserGroupSearchFilter.Value
+
+	searchAttrs := []string{
+		nameAttribute,
+		uniqueIdentifierAttribute,
+		groupMemberOfAttribute,
+	}
+
+	searchReq := ldap.NewSearchRequest(baseDN, ldap.ScopeWholeSubtree, 0, 0, 0, false, filter, searchAttrs, []ldap.Control{})
+	result, err := client.Search(searchReq)
+	if err != nil {
+		return fmt.Errorf("failed to query LDAP: %w", err)
+	}
+
+	// Create a mapping for groups that exist
+	ldapGroupIDs := make(map[string]bool)
+
+	for _, value := range result.Entries {
+		var usersToAddDto dto.UserGroupUpdateUsersDto
+		var membersUserId []string
+
+		ldapId := value.GetAttributeValue(uniqueIdentifierAttribute)
+		ldapGroupIDs[ldapId] = true
+
+		// Try to find the group in the database
+		var databaseGroup model.UserGroup
+		s.db.Where("ldap_id = ?", ldapId).First(&databaseGroup)
+
+		// Get group members and add to the correct Group
+		groupMembers := value.GetAttributeValues(groupMemberOfAttribute)
+		for _, member := range groupMembers {
+			// Normal output of this would be CN=username,ou=people,dc=example,dc=com
+			// Splitting at the "=" and "," then just grabbing the username for that string
+			singleMember := strings.Split(strings.Split(member, "=")[1], ",")[0]
+
+			var databaseUser model.User
+			s.db.Where("username = ?", singleMember).Where("ldap_id IS NOT NULL").First(&databaseUser)
+
+			membersUserId = append(membersUserId, databaseUser.ID)
+		}
+
+		syncGroup := dto.UserGroupCreateDto{
+			Name:         value.GetAttributeValue(nameAttribute),
+			FriendlyName: value.GetAttributeValue(nameAttribute),
+			LdapID:       value.GetAttributeValue(uniqueIdentifierAttribute),
+		}
+
+		usersToAddDto = dto.UserGroupUpdateUsersDto{
+			UserIDs: membersUserId,
+		}
+
+		if databaseGroup.ID == "" {
+			newGroup, err := s.groupService.Create(syncGroup)
+			if err != nil {
+				log.Printf("Error syncing group %s: %s", syncGroup.Name, err)
+			} else {
+				if _, err = s.groupService.UpdateUsers(newGroup.ID, usersToAddDto); err != nil {
+					log.Printf("Error syncing group %s: %s", syncGroup.Name, err)
+				}
+			}
+		} else {
+			_, err = s.groupService.Update(databaseGroup.ID, syncGroup, true)
+			_, err = s.groupService.UpdateUsers(databaseGroup.ID, usersToAddDto)
+			if err != nil {
+				log.Printf("Error syncing group %s: %s", syncGroup.Name, err)
+				return err
+			}
+
+		}
+
+	}
+
+	// Get all LDAP groups from the database
+	var ldapGroupsInDb []model.UserGroup
+	if err := s.db.Find(&ldapGroupsInDb, "ldap_id IS NOT NULL").Select("ldap_id").Error; err != nil {
+		fmt.Println(fmt.Errorf("failed to fetch groups from database: %v", err))
+	}
+
+	// Delete groups that no longer exist in LDAP
+	for _, group := range ldapGroupsInDb {
+		if _, exists := ldapGroupIDs[*group.LdapID]; !exists {
+			if err := s.db.Delete(&model.UserGroup{}, "ldap_id = ?", group.LdapID).Error; err != nil {
+				log.Printf("Failed to delete group %s with: %v", group.Name, err)
+			} else {
+				log.Printf("Deleted group %s", group.Name)
+			}
+		}
+	}
+
+	return nil
+}
+
+func (s *LdapService) SyncUsers() error {
+	// Setup LDAP connection
+	client, err := s.createClient()
+	if err != nil {
+		return fmt.Errorf("failed to create LDAP client: %w", err)
+	}
+	defer client.Close()
+
+	baseDN := s.appConfigService.DbConfig.LdapBase.Value
+	uniqueIdentifierAttribute := s.appConfigService.DbConfig.LdapAttributeUserUniqueIdentifier.Value
+	usernameAttribute := s.appConfigService.DbConfig.LdapAttributeUserUsername.Value
+	emailAttribute := s.appConfigService.DbConfig.LdapAttributeUserEmail.Value
+	firstNameAttribute := s.appConfigService.DbConfig.LdapAttributeUserFirstName.Value
+	lastNameAttribute := s.appConfigService.DbConfig.LdapAttributeUserLastName.Value
+	profilePictureAttribute := s.appConfigService.DbConfig.LdapAttributeUserProfilePicture.Value
+	adminGroupAttribute := s.appConfigService.DbConfig.LdapAttributeAdminGroup.Value
+	filter := s.appConfigService.DbConfig.LdapUserSearchFilter.Value
+
+	searchAttrs := []string{
+		"memberOf",
+		"sn",
+		"cn",
+		uniqueIdentifierAttribute,
+		usernameAttribute,
+		emailAttribute,
+		firstNameAttribute,
+		lastNameAttribute,
+		profilePictureAttribute,
+	}
+
+	// Filters must start and finish with ()!
+	searchReq := ldap.NewSearchRequest(baseDN, ldap.ScopeWholeSubtree, 0, 0, 0, false, filter, searchAttrs, []ldap.Control{})
+
+	result, err := client.Search(searchReq)
+	if err != nil {
+		fmt.Println(fmt.Errorf("failed to query LDAP: %w", err))
+	}
+
+	// Create a mapping for users that exist
+	ldapUserIDs := make(map[string]bool)
+
+	for _, value := range result.Entries {
+		ldapId := value.GetAttributeValue(uniqueIdentifierAttribute)
+		ldapUserIDs[ldapId] = true
+
+		// Get the user from the database
+		var databaseUser model.User
+		s.db.Where("ldap_id = ?", ldapId).First(&databaseUser)
+
+		// Check if user is admin by checking if they are in the admin group
+		isAdmin := false
+		for _, group := range value.GetAttributeValues("memberOf") {
+			if strings.Contains(group, adminGroupAttribute) {
+				isAdmin = true
+			}
+		}
+
+		newUser := dto.UserCreateDto{
+			Username:  value.GetAttributeValue(usernameAttribute),
+			Email:     value.GetAttributeValue(emailAttribute),
+			FirstName: value.GetAttributeValue(firstNameAttribute),
+			LastName:  value.GetAttributeValue(lastNameAttribute),
+			IsAdmin:   isAdmin,
+			LdapID:    ldapId,
+		}
+
+		if databaseUser.ID == "" {
+			_, err = s.userService.CreateUser(newUser)
+			if err != nil {
+				log.Printf("Error syncing user %s: %s", newUser.Username, err)
+			}
+		} else {
+			_, err = s.userService.UpdateUser(databaseUser.ID, newUser, false, true)
+			if err != nil {
+				log.Printf("Error syncing user %s: %s", newUser.Username, err)
+			}
+		}
+
+		// Save profile picture
+		if pictureString := value.GetAttributeValue(profilePictureAttribute); pictureString != "" {
+			if err := s.SaveProfilePicture(databaseUser.ID, pictureString); err != nil {
+				log.Printf("Error saving profile picture for user %s: %s", newUser.Username, err)
+			}
+		}
+	}
+
+	// Get all LDAP users from the database
+	var ldapUsersInDb []model.User
+	if err := s.db.Find(&ldapUsersInDb, "ldap_id IS NOT NULL").Select("ldap_id").Error; err != nil {
+		fmt.Println(fmt.Errorf("failed to fetch users from database: %v", err))
+	}
+
+	// Delete users that no longer exist in LDAP
+	for _, user := range ldapUsersInDb {
+		if _, exists := ldapUserIDs[*user.LdapID]; !exists {
+			if err := s.db.Delete(&model.User{}, "ldap_id = ?", user.LdapID).Error; err != nil {
+				log.Printf("Failed to delete user %s with: %v", user.Username, err)
+			} else {
+				log.Printf("Deleted user %s", user.Username)
+			}
+		}
+	}
+	return nil
+}
+
+func (s *LdapService) SaveProfilePicture(userId string, pictureString string) error {
+	var reader io.Reader
+
+	if _, err := url.ParseRequestURI(pictureString); err == nil {
+		// If the photo is a URL, download it
+		response, err := http.Get(pictureString)
+		if err != nil {
+			return fmt.Errorf("failed to download profile picture: %w", err)
+		}
+		defer response.Body.Close()
+
+		reader = response.Body
+
+	} else if decodedPhoto, err := base64.StdEncoding.DecodeString(pictureString); err == nil {
+		// If the photo is a base64 encoded string, decode it
+		reader = bytes.NewReader(decodedPhoto)
+
+	} else {
+		// If the photo is a string, we assume that it's a binary string
+		reader = bytes.NewReader([]byte("pictureString"))
+	}
+
+	// Update the profile picture
+	if err := s.userService.UpdateProfilePicture(userId, reader); err != nil {
+		return fmt.Errorf("failed to update profile picture: %w", err)
+	}
+
+	return nil
+}

backend/internal/service/oidc_service.go

@@ -0,0 +1,569 @@
+package service
+
+import (
+	"crypto/sha256"
+	"encoding/base64"
+	"encoding/json"
+	"errors"
+	"fmt"
+	"mime/multipart"
+	"os"
+	"regexp"
+	"strings"
+	"time"
+
+	"github.com/pocket-id/pocket-id/backend/internal/common"
+	"github.com/pocket-id/pocket-id/backend/internal/dto"
+	"github.com/pocket-id/pocket-id/backend/internal/model"
+	datatype "github.com/pocket-id/pocket-id/backend/internal/model/types"
+	"github.com/pocket-id/pocket-id/backend/internal/utils"
+	"golang.org/x/crypto/bcrypt"
+	"gorm.io/gorm"
+)
+
+type OidcService struct {
+	db                 *gorm.DB
+	jwtService         *JwtService
+	appConfigService   *AppConfigService
+	auditLogService    *AuditLogService
+	customClaimService *CustomClaimService
+}
+
+func NewOidcService(db *gorm.DB, jwtService *JwtService, appConfigService *AppConfigService, auditLogService *AuditLogService, customClaimService *CustomClaimService) *OidcService {
+	return &OidcService{
+		db:                 db,
+		jwtService:         jwtService,
+		appConfigService:   appConfigService,
+		auditLogService:    auditLogService,
+		customClaimService: customClaimService,
+	}
+}
+
+func (s *OidcService) Authorize(input dto.AuthorizeOidcClientRequestDto, userID, ipAddress, userAgent string) (string, string, error) {
+	var client model.OidcClient
+	if err := s.db.Preload("AllowedUserGroups").First(&client, "id = ?", input.ClientID).Error; err != nil {
+		return "", "", err
+	}
+
+	// If the client is not public, the code challenge must be provided
+	if client.IsPublic && input.CodeChallenge == "" {
+		return "", "", &common.OidcMissingCodeChallengeError{}
+	}
+
+	// Get the callback URL of the client. Return an error if the provided callback URL is not allowed
+	callbackURL, err := s.getCallbackURL(client.CallbackURLs, input.CallbackURL)
+	if err != nil {
+		return "", "", err
+	}
+
+	// Check if the user group is allowed to authorize the client
+	var user model.User
+	if err := s.db.Preload("UserGroups").First(&user, "id = ?", userID).Error; err != nil {
+		return "", "", err
+	}
+
+	if !s.IsUserGroupAllowedToAuthorize(user, client) {
+		return "", "", &common.OidcAccessDeniedError{}
+	}
+
+	// Check if the user has already authorized the client with the given scope
+	hasAuthorizedClient, err := s.HasAuthorizedClient(input.ClientID, userID, input.Scope)
+	if err != nil {
+		return "", "", err
+	}
+
+	// If the user has not authorized the client, create a new authorization in the database
+	if !hasAuthorizedClient {
+		userAuthorizedClient := model.UserAuthorizedOidcClient{
+			UserID:   userID,
+			ClientID: input.ClientID,
+			Scope:    input.Scope,
+		}
+
+		if err := s.db.Create(&userAuthorizedClient).Error; err != nil {
+			if errors.Is(err, gorm.ErrDuplicatedKey) {
+				// The client has already been authorized but with a different scope so we need to update the scope
+				if err := s.db.Model(&userAuthorizedClient).Update("scope", input.Scope).Error; err != nil {
+					return "", "", err
+				}
+			} else {
+				return "", "", err
+			}
+		}
+	}
+
+	// Create the authorization code
+	code, err := s.createAuthorizationCode(input.ClientID, userID, input.Scope, input.Nonce, input.CodeChallenge, input.CodeChallengeMethod)
+	if err != nil {
+		return "", "", err
+	}
+
+	// Log the authorization event
+	if hasAuthorizedClient {
+		s.auditLogService.Create(model.AuditLogEventClientAuthorization, ipAddress, userAgent, userID, model.AuditLogData{"clientName": client.Name})
+	} else {
+		s.auditLogService.Create(model.AuditLogEventNewClientAuthorization, ipAddress, userAgent, userID, model.AuditLogData{"clientName": client.Name})
+
+	}
+
+	return code, callbackURL, nil
+}
+
+// HasAuthorizedClient checks if the user has already authorized the client with the given scope
+func (s *OidcService) HasAuthorizedClient(clientID, userID, scope string) (bool, error) {
+	var userAuthorizedOidcClient model.UserAuthorizedOidcClient
+	if err := s.db.First(&userAuthorizedOidcClient, "client_id = ? AND user_id = ?", clientID, userID).Error; err != nil {
+		if errors.Is(err, gorm.ErrRecordNotFound) {
+			return false, nil
+		}
+		return false, err
+	}
+
+	if userAuthorizedOidcClient.Scope != scope {
+		return false, nil
+	}
+
+	return true, nil
+}
+
+// IsUserGroupAllowedToAuthorize checks if the user group of the user is allowed to authorize the client
+func (s *OidcService) IsUserGroupAllowedToAuthorize(user model.User, client model.OidcClient) bool {
+	if len(client.AllowedUserGroups) == 0 {
+		return true
+	}
+
+	isAllowedToAuthorize := false
+	for _, userGroup := range client.AllowedUserGroups {
+		for _, userGroupUser := range user.UserGroups {
+			if userGroup.ID == userGroupUser.ID {
+				isAllowedToAuthorize = true
+				break
+			}
+		}
+	}
+
+	return isAllowedToAuthorize
+}
+
+func (s *OidcService) CreateTokens(code, grantType, clientID, clientSecret, codeVerifier string) (string, string, error) {
+	if grantType != "authorization_code" {
+		return "", "", &common.OidcGrantTypeNotSupportedError{}
+	}
+
+	var client model.OidcClient
+	if err := s.db.First(&client, "id = ?", clientID).Error; err != nil {
+		return "", "", err
+	}
+
+	// Verify the client secret if the client is not public
+	if !client.IsPublic {
+		if clientID == "" || clientSecret == "" {
+			return "", "", &common.OidcMissingClientCredentialsError{}
+		}
+
+		err := bcrypt.CompareHashAndPassword([]byte(client.Secret), []byte(clientSecret))
+		if err != nil {
+			return "", "", &common.OidcClientSecretInvalidError{}
+		}
+	}
+
+	var authorizationCodeMetaData model.OidcAuthorizationCode
+	err := s.db.Preload("User").First(&authorizationCodeMetaData, "code = ?", code).Error
+	if err != nil {
+		return "", "", &common.OidcInvalidAuthorizationCodeError{}
+	}
+
+	// If the client is public or PKCE is enabled, the code verifier must match the code challenge
+	if client.IsPublic || client.PkceEnabled {
+		if !s.validateCodeVerifier(codeVerifier, *authorizationCodeMetaData.CodeChallenge, *authorizationCodeMetaData.CodeChallengeMethodSha256) {
+			return "", "", &common.OidcInvalidCodeVerifierError{}
+		}
+	}
+
+	if authorizationCodeMetaData.ClientID != clientID && authorizationCodeMetaData.ExpiresAt.ToTime().Before(time.Now()) {
+		return "", "", &common.OidcInvalidAuthorizationCodeError{}
+	}
+
+	userClaims, err := s.GetUserClaimsForClient(authorizationCodeMetaData.UserID, clientID)
+	if err != nil {
+		return "", "", err
+	}
+
+	idToken, err := s.jwtService.GenerateIDToken(userClaims, clientID, authorizationCodeMetaData.Nonce)
+	if err != nil {
+		return "", "", err
+	}
+
+	accessToken, err := s.jwtService.GenerateOauthAccessToken(authorizationCodeMetaData.User, clientID)
+
+	s.db.Delete(&authorizationCodeMetaData)
+
+	return idToken, accessToken, nil
+}
+
+func (s *OidcService) GetClient(clientID string) (model.OidcClient, error) {
+	var client model.OidcClient
+	if err := s.db.Preload("CreatedBy").Preload("AllowedUserGroups").First(&client, "id = ?", clientID).Error; err != nil {
+		return model.OidcClient{}, err
+	}
+	return client, nil
+}
+
+func (s *OidcService) ListClients(searchTerm string, sortedPaginationRequest utils.SortedPaginationRequest) ([]model.OidcClient, utils.PaginationResponse, error) {
+	var clients []model.OidcClient
+
+	query := s.db.Preload("CreatedBy").Model(&model.OidcClient{})
+	if searchTerm != "" {
+		searchPattern := "%" + searchTerm + "%"
+		query = query.Where("name LIKE ?", searchPattern)
+	}
+
+	pagination, err := utils.PaginateAndSort(sortedPaginationRequest, query, &clients)
+	if err != nil {
+		return nil, utils.PaginationResponse{}, err
+	}
+
+	return clients, pagination, nil
+}
+
+func (s *OidcService) CreateClient(input dto.OidcClientCreateDto, userID string) (model.OidcClient, error) {
+	client := model.OidcClient{
+		Name:               input.Name,
+		CallbackURLs:       input.CallbackURLs,
+		LogoutCallbackURLs: input.LogoutCallbackURLs,
+		CreatedByID:        userID,
+		IsPublic:           input.IsPublic,
+		PkceEnabled:        input.IsPublic || input.PkceEnabled,
+	}
+
+	if err := s.db.Create(&client).Error; err != nil {
+		return model.OidcClient{}, err
+	}
+
+	return client, nil
+}
+
+func (s *OidcService) UpdateClient(clientID string, input dto.OidcClientCreateDto) (model.OidcClient, error) {
+	var client model.OidcClient
+	if err := s.db.Preload("CreatedBy").First(&client, "id = ?", clientID).Error; err != nil {
+		return model.OidcClient{}, err
+	}
+
+	client.Name = input.Name
+	client.CallbackURLs = input.CallbackURLs
+	client.LogoutCallbackURLs = input.LogoutCallbackURLs
+	client.IsPublic = input.IsPublic
+	client.PkceEnabled = input.IsPublic || input.PkceEnabled
+
+	if err := s.db.Save(&client).Error; err != nil {
+		return model.OidcClient{}, err
+	}
+
+	return client, nil
+}
+
+func (s *OidcService) DeleteClient(clientID string) error {
+	var client model.OidcClient
+	if err := s.db.First(&client, "id = ?", clientID).Error; err != nil {
+		return err
+	}
+
+	if err := s.db.Delete(&client).Error; err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func (s *OidcService) CreateClientSecret(clientID string) (string, error) {
+	var client model.OidcClient
+	if err := s.db.First(&client, "id = ?", clientID).Error; err != nil {
+		return "", err
+	}
+
+	clientSecret, err := utils.GenerateRandomAlphanumericString(32)
+	if err != nil {
+		return "", err
+	}
+
+	hashedSecret, err := bcrypt.GenerateFromPassword([]byte(clientSecret), bcrypt.DefaultCost)
+	if err != nil {
+		return "", err
+	}
+
+	client.Secret = string(hashedSecret)
+	if err := s.db.Save(&client).Error; err != nil {
+		return "", err
+	}
+
+	return clientSecret, nil
+}
+
+func (s *OidcService) GetClientLogo(clientID string) (string, string, error) {
+	var client model.OidcClient
+	if err := s.db.First(&client, "id = ?", clientID).Error; err != nil {
+		return "", "", err
+	}
+
+	if client.ImageType == nil {
+		return "", "", errors.New("image not found")
+	}
+
+	imageType := *client.ImageType
+	imagePath := fmt.Sprintf("%s/oidc-client-images/%s.%s", common.EnvConfig.UploadPath, client.ID, imageType)
+	mimeType := utils.GetImageMimeType(imageType)
+
+	return imagePath, mimeType, nil
+}
+
+func (s *OidcService) UpdateClientLogo(clientID string, file *multipart.FileHeader) error {
+	fileType := utils.GetFileExtension(file.Filename)
+	if mimeType := utils.GetImageMimeType(fileType); mimeType == "" {
+		return &common.FileTypeNotSupportedError{}
+	}
+
+	imagePath := fmt.Sprintf("%s/oidc-client-images/%s.%s", common.EnvConfig.UploadPath, clientID, fileType)
+	if err := utils.SaveFile(file, imagePath); err != nil {
+		return err
+	}
+
+	var client model.OidcClient
+	if err := s.db.First(&client, "id = ?", clientID).Error; err != nil {
+		return err
+	}
+
+	if client.ImageType != nil && fileType != *client.ImageType {
+		oldImagePath := fmt.Sprintf("%s/oidc-client-images/%s.%s", common.EnvConfig.UploadPath, client.ID, *client.ImageType)
+		if err := os.Remove(oldImagePath); err != nil {
+			return err
+		}
+	}
+
+	client.ImageType = &fileType
+	if err := s.db.Save(&client).Error; err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func (s *OidcService) DeleteClientLogo(clientID string) error {
+	var client model.OidcClient
+	if err := s.db.First(&client, "id = ?", clientID).Error; err != nil {
+		return err
+	}
+
+	if client.ImageType == nil {
+		return errors.New("image not found")
+	}
+
+	imagePath := fmt.Sprintf("%s/oidc-client-images/%s.%s", common.EnvConfig.UploadPath, client.ID, *client.ImageType)
+	if err := os.Remove(imagePath); err != nil {
+		return err
+	}
+
+	client.ImageType = nil
+	if err := s.db.Save(&client).Error; err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func (s *OidcService) GetUserClaimsForClient(userID string, clientID string) (map[string]interface{}, error) {
+	var authorizedOidcClient model.UserAuthorizedOidcClient
+	if err := s.db.Preload("User.UserGroups").First(&authorizedOidcClient, "user_id = ? AND client_id = ?", userID, clientID).Error; err != nil {
+		return nil, err
+	}
+
+	user := authorizedOidcClient.User
+	scope := authorizedOidcClient.Scope
+
+	claims := map[string]interface{}{
+		"sub": user.ID,
+	}
+
+	if strings.Contains(scope, "email") {
+		claims["email"] = user.Email
+		claims["email_verified"] = s.appConfigService.DbConfig.EmailsVerified.Value == "true"
+	}
+
+	if strings.Contains(scope, "groups") {
+		userGroups := make([]string, len(user.UserGroups))
+		for i, group := range user.UserGroups {
+			userGroups[i] = group.Name
+		}
+		claims["groups"] = userGroups
+	}
+
+	profileClaims := map[string]interface{}{
+		"given_name":         user.FirstName,
+		"family_name":        user.LastName,
+		"name":               user.FullName(),
+		"preferred_username": user.Username,
+		"picture":            fmt.Sprintf("%s/api/users/%s/profile-picture.png", common.EnvConfig.AppURL, user.ID),
+	}
+
+	if strings.Contains(scope, "profile") {
+		// Add profile claims
+		for k, v := range profileClaims {
+			claims[k] = v
+		}
+
+		// Add custom claims
+		customClaims, err := s.customClaimService.GetCustomClaimsForUserWithUserGroups(userID)
+		if err != nil {
+			return nil, err
+		}
+
+		for _, customClaim := range customClaims {
+			// The value of the custom claim can be a JSON object or a string
+			var jsonValue interface{}
+			json.Unmarshal([]byte(customClaim.Value), &jsonValue)
+			if jsonValue != nil {
+				// It's JSON so we store it as an object
+				claims[customClaim.Key] = jsonValue
+			} else {
+				// Marshalling failed, so we store it as a string
+				claims[customClaim.Key] = customClaim.Value
+			}
+		}
+	}
+	if strings.Contains(scope, "email") {
+		claims["email"] = user.Email
+	}
+
+	return claims, nil
+}
+
+func (s *OidcService) UpdateAllowedUserGroups(id string, input dto.OidcUpdateAllowedUserGroupsDto) (client model.OidcClient, err error) {
+	client, err = s.GetClient(id)
+	if err != nil {
+		return model.OidcClient{}, err
+	}
+
+	// Fetch the user groups based on UserGroupIDs in input
+	var groups []model.UserGroup
+	if len(input.UserGroupIDs) > 0 {
+		if err := s.db.Where("id IN (?)", input.UserGroupIDs).Find(&groups).Error; err != nil {
+			return model.OidcClient{}, err
+		}
+	}
+
+	// Replace the current user groups with the new set of user groups
+	if err := s.db.Model(&client).Association("AllowedUserGroups").Replace(groups); err != nil {
+		return model.OidcClient{}, err
+	}
+
+	// Save the updated client
+	if err := s.db.Save(&client).Error; err != nil {
+		return model.OidcClient{}, err
+	}
+
+	return client, nil
+}
+
+// ValidateEndSession returns the logout callback URL for the client if all the validations pass
+func (s *OidcService) ValidateEndSession(input dto.OidcLogoutDto, userID string) (string, error) {
+	// If no ID token hint is provided, return an error
+	if input.IdTokenHint == "" {
+		return "", &common.TokenInvalidError{}
+	}
+
+	// If the ID token hint is provided, verify the ID token
+	claims, err := s.jwtService.VerifyIdToken(input.IdTokenHint)
+	if err != nil {
+		return "", &common.TokenInvalidError{}
+	}
+
+	// If the client ID is provided check if the client ID in the ID token matches the client ID in the request
+	if input.ClientId != "" && claims.Audience[0] != input.ClientId {
+		return "", &common.OidcClientIdNotMatchingError{}
+	}
+
+	clientId := claims.Audience[0]
+
+	// Check if the user has authorized the client before
+	var userAuthorizedOIDCClient model.UserAuthorizedOidcClient
+	if err := s.db.Preload("Client").First(&userAuthorizedOIDCClient, "client_id = ? AND user_id = ?", clientId, userID).Error; err != nil {
+		return "", &common.OidcMissingAuthorizationError{}
+	}
+
+	// If the client has no logout callback URLs, return an error
+	if len(userAuthorizedOIDCClient.Client.LogoutCallbackURLs) == 0 {
+		return "", &common.OidcNoCallbackURLError{}
+	}
+
+	callbackURL, err := s.getCallbackURL(userAuthorizedOIDCClient.Client.LogoutCallbackURLs, input.PostLogoutRedirectUri)
+	if err != nil {
+		return "", err
+	}
+
+	return callbackURL, nil
+
+}
+
+func (s *OidcService) createAuthorizationCode(clientID string, userID string, scope string, nonce string, codeChallenge string, codeChallengeMethod string) (string, error) {
+	randomString, err := utils.GenerateRandomAlphanumericString(32)
+	if err != nil {
+		return "", err
+	}
+
+	codeChallengeMethodSha256 := strings.ToUpper(codeChallengeMethod) == "S256"
+
+	oidcAuthorizationCode := model.OidcAuthorizationCode{
+		ExpiresAt:                 datatype.DateTime(time.Now().Add(15 * time.Minute)),
+		Code:                      randomString,
+		ClientID:                  clientID,
+		UserID:                    userID,
+		Scope:                     scope,
+		Nonce:                     nonce,
+		CodeChallenge:             &codeChallenge,
+		CodeChallengeMethodSha256: &codeChallengeMethodSha256,
+	}
+
+	if err := s.db.Create(&oidcAuthorizationCode).Error; err != nil {
+		return "", err
+	}
+
+	return randomString, nil
+}
+
+func (s *OidcService) validateCodeVerifier(codeVerifier, codeChallenge string, codeChallengeMethodSha256 bool) bool {
+	if codeVerifier == "" || codeChallenge == "" {
+		return false
+	}
+
+	if !codeChallengeMethodSha256 {
+		return codeVerifier == codeChallenge
+	}
+
+	// Compute SHA-256 hash of the codeVerifier
+	h := sha256.New()
+	h.Write([]byte(codeVerifier))
+	codeVerifierHash := h.Sum(nil)
+
+	// Base64 URL encode the verifier hash
+	encodedVerifierHash := base64.RawURLEncoding.EncodeToString(codeVerifierHash)
+
+	return encodedVerifierHash == codeChallenge
+}
+
+func (s *OidcService) getCallbackURL(urls []string, inputCallbackURL string) (callbackURL string, err error) {
+	if inputCallbackURL == "" {
+		return urls[0], nil
+	}
+
+	for _, callbackPattern := range urls {
+		regexPattern := strings.ReplaceAll(regexp.QuoteMeta(callbackPattern), `\*`, ".*") + "$"
+		matched, err := regexp.MatchString(regexPattern, inputCallbackURL)
+		if err != nil {
+			return "", err
+		}
+		if matched {
+			return inputCallbackURL, nil
+		}
+	}
+
+	return "", &common.OidcInvalidCallbackURLError{}
+}

backend/internal/service/test_service.go

@@ -0,0 +1,361 @@
+package service
+
+import (
+	"crypto/ecdsa"
+	"crypto/x509"
+	"encoding/base64"
+	"encoding/pem"
+	"fmt"
+	"log"
+	"os"
+	"path/filepath"
+	"time"
+
+	"github.com/fxamacker/cbor/v2"
+	datatype "github.com/pocket-id/pocket-id/backend/internal/model/types"
+	"github.com/pocket-id/pocket-id/backend/resources"
+
+	"github.com/go-webauthn/webauthn/protocol"
+	"github.com/pocket-id/pocket-id/backend/internal/common"
+	"github.com/pocket-id/pocket-id/backend/internal/model"
+	"github.com/pocket-id/pocket-id/backend/internal/utils"
+	"gorm.io/gorm"
+)
+
+type TestService struct {
+	db               *gorm.DB
+	jwtService       *JwtService
+	appConfigService *AppConfigService
+}
+
+func NewTestService(db *gorm.DB, appConfigService *AppConfigService, jwtService *JwtService) *TestService {
+	return &TestService{db: db, appConfigService: appConfigService, jwtService: jwtService}
+}
+
+func (s *TestService) SeedDatabase() error {
+	return s.db.Transaction(func(tx *gorm.DB) error {
+		users := []model.User{
+			{
+				Base: model.Base{
+					ID: "f4b89dc2-62fb-46bf-9f5f-c34f4eafe93e",
+				},
+				Username:  "tim",
+				Email:     "tim.cook@test.com",
+				FirstName: "Tim",
+				LastName:  "Cook",
+				IsAdmin:   true,
+			},
+			{
+				Base: model.Base{
+					ID: "1cd19686-f9a6-43f4-a41f-14a0bf5b4036",
+				},
+				Username:  "craig",
+				Email:     "craig.federighi@test.com",
+				FirstName: "Craig",
+				LastName:  "Federighi",
+				IsAdmin:   false,
+			},
+		}
+		for _, user := range users {
+			if err := tx.Create(&user).Error; err != nil {
+				return err
+			}
+		}
+
+		oneTimeAccessTokens := []model.OneTimeAccessToken{{
+			Base: model.Base{
+				ID: "bf877753-4ea4-4c9c-bbbd-e198bb201cb8",
+			},
+			Token:     "HPe6k6uiDRRVuAQV",
+			ExpiresAt: datatype.DateTime(time.Now().Add(1 * time.Hour)),
+			UserID:    users[0].ID,
+		},
+			{
+				Base: model.Base{
+					ID: "d3afae24-fe2d-4a98-abec-cf0b8525096a",
+				},
+				Token:     "YCGDtftvsvYWiXd0",
+				ExpiresAt: datatype.DateTime(time.Now().Add(-1 * time.Second)), // expired
+				UserID:    users[0].ID,
+			},
+		}
+		for _, token := range oneTimeAccessTokens {
+			if err := tx.Create(&token).Error; err != nil {
+				return err
+			}
+		}
+
+		userGroups := []model.UserGroup{
+			{
+				Base: model.Base{
+					ID: "c7ae7c01-28a3-4f3c-9572-1ee734ea8368",
+				},
+				Name:         "developers",
+				FriendlyName: "Developers",
+				Users:        []model.User{users[0], users[1]},
+			},
+			{
+				Base: model.Base{
+					ID: "adab18bf-f89d-4087-9ee1-70ff15b48211",
+				},
+				Name:         "designers",
+				FriendlyName: "Designers",
+				Users:        []model.User{users[0]},
+			},
+		}
+		for _, group := range userGroups {
+			if err := tx.Create(&group).Error; err != nil {
+				return err
+			}
+		}
+
+		oidcClients := []model.OidcClient{
+			{
+				Base: model.Base{
+					ID: "3654a746-35d4-4321-ac61-0bdcff2b4055",
+				},
+				Name:               "Nextcloud",
+				Secret:             "$2a$10$9dypwot8nGuCjT6wQWWpJOckZfRprhe2EkwpKizxS/fpVHrOLEJHC", // w2mUeZISmEvIDMEDvpY0PnxQIpj1m3zY
+				CallbackURLs:       model.UrlList{"http://nextcloud/auth/callback"},
+				LogoutCallbackURLs: model.UrlList{"http://nextcloud/auth/logout/callback"},
+				ImageType:          utils.StringPointer("png"),
+				CreatedByID:        users[0].ID,
+			},
+			{
+				Base: model.Base{
+					ID: "606c7782-f2b1-49e5-8ea9-26eb1b06d018",
+				},
+				Name:         "Immich",
+				Secret:       "$2a$10$Ak.FP8riD1ssy2AGGbG.gOpnp/rBpymd74j0nxNMtW0GG1Lb4gzxe", // PYjrE9u4v9GVqXKi52eur0eb2Ci4kc0x
+				CallbackURLs: model.UrlList{"http://immich/auth/callback"},
+				CreatedByID:  users[1].ID,
+				AllowedUserGroups: []model.UserGroup{
+					userGroups[1],
+				},
+			},
+		}
+		for _, client := range oidcClients {
+			if err := tx.Create(&client).Error; err != nil {
+				return err
+			}
+		}
+
+		authCode := model.OidcAuthorizationCode{
+			Code:      "auth-code",
+			Scope:     "openid profile",
+			Nonce:     "nonce",
+			ExpiresAt: datatype.DateTime(time.Now().Add(1 * time.Hour)),
+			UserID:    users[0].ID,
+			ClientID:  oidcClients[0].ID,
+		}
+		if err := tx.Create(&authCode).Error; err != nil {
+			return err
+		}
+
+		accessToken := model.OneTimeAccessToken{
+			Token:     "one-time-token",
+			ExpiresAt: datatype.DateTime(time.Now().Add(1 * time.Hour)),
+			UserID:    users[0].ID,
+		}
+		if err := tx.Create(&accessToken).Error; err != nil {
+			return err
+		}
+
+		userAuthorizedClient := model.UserAuthorizedOidcClient{
+			Scope:    "openid profile email",
+			UserID:   users[0].ID,
+			ClientID: oidcClients[0].ID,
+		}
+		if err := tx.Create(&userAuthorizedClient).Error; err != nil {
+			return err
+		}
+
+		// To generate a new key pair, run the following command:
+		// openssl genpkey -algorithm EC -pkeyopt ec_paramgen_curve:P-256 | \
+		// openssl pkcs8 -topk8 -nocrypt | tee >(openssl pkey -pubout)
+
+		publicKeyPasskey1, err := s.getCborPublicKey("MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEwcOo5KV169KR67QEHrcYkeXE3CCxv2BgwnSq4VYTQxyLtdmKxegexa8JdwFKhKXa2BMI9xaN15BoL6wSCRFJhg==")
+		publicKeyPasskey2, err := s.getCborPublicKey("MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEj4qA0PrZzg8Co1C27nyUbzrp8Ewjr7eOlGI2LfrzmbL5nPhZRAdJ3hEaqrHMSnJBhfMqtQGKwDYpaLIQFAKLhw==")
+		if err != nil {
+			return err
+		}
+		webauthnCredentials := []model.WebauthnCredential{
+			{
+				Name:            "Passkey 1",
+				CredentialID:    []byte("test-credential-tim"),
+				PublicKey:       publicKeyPasskey1,
+				AttestationType: "none",
+				Transport:       model.AuthenticatorTransportList{protocol.Internal},
+				UserID:          users[0].ID,
+			},
+			{
+				Name:            "Passkey 2",
+				CredentialID:    []byte("test-credential-craig"),
+				PublicKey:       publicKeyPasskey2,
+				AttestationType: "none",
+				Transport:       model.AuthenticatorTransportList{protocol.Internal},
+				UserID:          users[1].ID,
+			},
+		}
+		for _, credential := range webauthnCredentials {
+			if err := tx.Create(&credential).Error; err != nil {
+				return err
+			}
+		}
+
+		webauthnSession := model.WebauthnSession{
+			Challenge:        "challenge",
+			ExpiresAt:        datatype.DateTime(time.Now().Add(1 * time.Hour)),
+			UserVerification: "preferred",
+		}
+		if err := tx.Create(&webauthnSession).Error; err != nil {
+			return err
+		}
+
+		return nil
+	})
+}
+
+func (s *TestService) ResetDatabase() error {
+	err := s.db.Transaction(func(tx *gorm.DB) error {
+		var tables []string
+
+		switch common.EnvConfig.DbProvider {
+		case common.DbProviderSqlite:
+			// Query to get all tables for SQLite
+			if err := tx.Raw("SELECT name FROM sqlite_master WHERE type='table' AND name NOT LIKE 'sqlite_%' AND name != 'schema_migrations';").Scan(&tables).Error; err != nil {
+				return err
+			}
+		case common.DbProviderPostgres:
+			// Query to get all tables for PostgreSQL
+			if err := tx.Raw(`
+                SELECT tablename 
+                FROM pg_tables 
+                WHERE schemaname = 'public' AND tablename != 'schema_migrations';
+            `).Scan(&tables).Error; err != nil {
+				return err
+			}
+		default:
+			return fmt.Errorf("unsupported database provider: %s", common.EnvConfig.DbProvider)
+		}
+
+		// Delete all rows from all tables
+		for _, table := range tables {
+			if err := tx.Exec(fmt.Sprintf("DELETE FROM %s;", table)).Error; err != nil {
+				return err
+			}
+		}
+
+		return nil
+	})
+
+	return err
+}
+
+func (s *TestService) ResetApplicationImages() error {
+	if err := os.RemoveAll(common.EnvConfig.UploadPath); err != nil {
+		log.Printf("Error removing directory: %v", err)
+		return err
+	}
+
+	files, err := resources.FS.ReadDir("images")
+	if err != nil {
+		return err
+	}
+
+	for _, file := range files {
+		srcFilePath := filepath.Join("images", file.Name())
+		destFilePath := filepath.Join(common.EnvConfig.UploadPath, "application-images", file.Name())
+
+		err := utils.CopyEmbeddedFileToDisk(srcFilePath, destFilePath)
+		if err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+func (s *TestService) ResetAppConfig() error {
+	// Reseed the config variables
+	if err := s.appConfigService.InitDbConfig(); err != nil {
+		return err
+	}
+
+	// Reset all app config variables to their default values
+	if err := s.db.Session(&gorm.Session{AllowGlobalUpdate: true}).Model(&model.AppConfigVariable{}).Update("value", "").Error; err != nil {
+		return err
+	}
+
+	// Reload the app config from the database after resetting the values
+	return s.appConfigService.LoadDbConfigFromDb()
+}
+
+func (s *TestService) SetJWTKeys() {
+	privateKeyString := `-----BEGIN RSA PRIVATE KEY-----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+-----END RSA PRIVATE KEY-----
+`
+
+	block, _ := pem.Decode([]byte(privateKeyString))
+	privateKey, _ := x509.ParsePKCS1PrivateKey(block.Bytes)
+
+	s.jwtService.PrivateKey = privateKey
+	s.jwtService.PublicKey = &privateKey.PublicKey
+}
+
+// getCborPublicKey decodes a Base64 encoded public key and returns the CBOR encoded COSE key
+func (s *TestService) getCborPublicKey(base64PublicKey string) ([]byte, error) {
+	decodedKey, err := base64.StdEncoding.DecodeString(base64PublicKey)
+	if err != nil {
+		return nil, fmt.Errorf("failed to decode base64 key: %w", err)
+	}
+	pubKey, err := x509.ParsePKIXPublicKey(decodedKey)
+	if err != nil {
+		return nil, fmt.Errorf("failed to parse public key: %w", err)
+	}
+
+	ecdsaPubKey, ok := pubKey.(*ecdsa.PublicKey)
+	if !ok {
+		return nil, fmt.Errorf("not an ECDSA public key")
+	}
+
+	coseKey := map[int]interface{}{
+		1:  2,                     // Key type: EC2
+		3:  -7,                    // Algorithm: ECDSA with SHA-256
+		-1: 1,                     // Curve: P-256
+		-2: ecdsaPubKey.X.Bytes(), // X coordinate
+		-3: ecdsaPubKey.Y.Bytes(), // Y coordinate
+	}
+
+	cborPublicKey, err := cbor.Marshal(coseKey)
+	if err != nil {
+		return nil, fmt.Errorf("failed to marshal COSE key: %w", err)
+	}
+
+	return cborPublicKey, nil
+}

backend/internal/service/user_group_service.go

@@ -0,0 +1,139 @@
+package service
+
+import (
+	"errors"
+
+	"github.com/pocket-id/pocket-id/backend/internal/common"
+	"github.com/pocket-id/pocket-id/backend/internal/dto"
+	"github.com/pocket-id/pocket-id/backend/internal/model"
+	"github.com/pocket-id/pocket-id/backend/internal/utils"
+	"gorm.io/gorm"
+)
+
+type UserGroupService struct {
+	db               *gorm.DB
+	appConfigService *AppConfigService
+}
+
+func NewUserGroupService(db *gorm.DB, appConfigService *AppConfigService) *UserGroupService {
+	return &UserGroupService{db: db, appConfigService: appConfigService}
+}
+
+func (s *UserGroupService) List(name string, sortedPaginationRequest utils.SortedPaginationRequest) (groups []model.UserGroup, response utils.PaginationResponse, err error) {
+	query := s.db.Preload("CustomClaims").Model(&model.UserGroup{})
+
+	if name != "" {
+		query = query.Where("name LIKE ?", "%"+name+"%")
+	}
+
+	// As userCount is not a column we need to manually sort it
+	isValidSortDirection := sortedPaginationRequest.Sort.Direction == "asc" || sortedPaginationRequest.Sort.Direction == "desc"
+	if sortedPaginationRequest.Sort.Column == "userCount" && isValidSortDirection {
+		query = query.Select("user_groups.*, COUNT(user_groups_users.user_id)").
+			Joins("LEFT JOIN user_groups_users ON user_groups.id = user_groups_users.user_group_id").
+			Group("user_groups.id").
+			Order("COUNT(user_groups_users.user_id) " + sortedPaginationRequest.Sort.Direction)
+
+		response, err := utils.Paginate(sortedPaginationRequest.Pagination.Page, sortedPaginationRequest.Pagination.Limit, query, &groups)
+		return groups, response, err
+	}
+
+	response, err = utils.PaginateAndSort(sortedPaginationRequest, query, &groups)
+	return groups, response, err
+}
+
+func (s *UserGroupService) Get(id string) (group model.UserGroup, err error) {
+	err = s.db.Where("id = ?", id).Preload("CustomClaims").Preload("Users").First(&group).Error
+	return group, err
+}
+
+func (s *UserGroupService) Delete(id string) error {
+	var group model.UserGroup
+	if err := s.db.Where("id = ?", id).First(&group).Error; err != nil {
+		return err
+	}
+
+	// Disallow deleting the group if it is an LDAP group and LDAP is enabled
+	if group.LdapID != nil && s.appConfigService.DbConfig.LdapEnabled.Value == "true" {
+		return &common.LdapUserGroupUpdateError{}
+	}
+
+	return s.db.Delete(&group).Error
+}
+
+func (s *UserGroupService) Create(input dto.UserGroupCreateDto) (group model.UserGroup, err error) {
+	group = model.UserGroup{
+		FriendlyName: input.FriendlyName,
+		Name:         input.Name,
+	}
+
+	if input.LdapID != "" {
+		group.LdapID = &input.LdapID
+	}
+
+	if err := s.db.Preload("Users").Create(&group).Error; err != nil {
+		if errors.Is(err, gorm.ErrDuplicatedKey) {
+			return model.UserGroup{}, &common.AlreadyInUseError{Property: "name"}
+		}
+		return model.UserGroup{}, err
+	}
+	return group, nil
+}
+
+func (s *UserGroupService) Update(id string, input dto.UserGroupCreateDto, allowLdapUpdate bool) (group model.UserGroup, err error) {
+	group, err = s.Get(id)
+	if err != nil {
+		return model.UserGroup{}, err
+	}
+
+	// Disallow updating the group if it is an LDAP group and LDAP is enabled
+	if !allowLdapUpdate && group.LdapID != nil && s.appConfigService.DbConfig.LdapEnabled.Value == "true" {
+		return model.UserGroup{}, &common.LdapUserGroupUpdateError{}
+	}
+
+	group.Name = input.Name
+	group.FriendlyName = input.FriendlyName
+
+	if err := s.db.Preload("Users").Save(&group).Error; err != nil {
+		if errors.Is(err, gorm.ErrDuplicatedKey) {
+			return model.UserGroup{}, &common.AlreadyInUseError{Property: "name"}
+		}
+		return model.UserGroup{}, err
+	}
+	return group, nil
+}
+
+func (s *UserGroupService) UpdateUsers(id string, input dto.UserGroupUpdateUsersDto) (group model.UserGroup, err error) {
+	group, err = s.Get(id)
+	if err != nil {
+		return model.UserGroup{}, err
+	}
+
+	// Fetch the users based on UserIDs in input
+	var users []model.User
+	if len(input.UserIDs) > 0 {
+		if err := s.db.Where("id IN (?)", input.UserIDs).Find(&users).Error; err != nil {
+			return model.UserGroup{}, err
+		}
+	}
+
+	// Replace the current users with the new set of users
+	if err := s.db.Model(&group).Association("Users").Replace(users); err != nil {
+		return model.UserGroup{}, err
+	}
+
+	// Save the updated group
+	if err := s.db.Save(&group).Error; err != nil {
+		return model.UserGroup{}, err
+	}
+
+	return group, nil
+}
+
+func (s *UserGroupService) GetUserCountOfGroup(id string) (int64, error) {
+	var group model.UserGroup
+	if err := s.db.Preload("Users").Where("id = ?", id).First(&group).Error; err != nil {
+		return 0, err
+	}
+	return s.db.Model(&group).Association("Users").Count(), nil
+}

backend/internal/service/user_service.go

@@ -0,0 +1,310 @@
+package service
+
+import (
+	"errors"
+	"fmt"
+	"github.com/google/uuid"
+	"github.com/pocket-id/pocket-id/backend/internal/utils/image"
+	"io"
+	"log"
+	"net/url"
+	"os"
+	"strings"
+	"time"
+
+	"github.com/pocket-id/pocket-id/backend/internal/common"
+	"github.com/pocket-id/pocket-id/backend/internal/dto"
+	"github.com/pocket-id/pocket-id/backend/internal/model"
+	datatype "github.com/pocket-id/pocket-id/backend/internal/model/types"
+	"github.com/pocket-id/pocket-id/backend/internal/utils"
+	"github.com/pocket-id/pocket-id/backend/internal/utils/email"
+	"gorm.io/gorm"
+)
+
+type UserService struct {
+	db               *gorm.DB
+	jwtService       *JwtService
+	auditLogService  *AuditLogService
+	emailService     *EmailService
+	appConfigService *AppConfigService
+}
+
+func NewUserService(db *gorm.DB, jwtService *JwtService, auditLogService *AuditLogService, emailService *EmailService, appConfigService *AppConfigService) *UserService {
+	return &UserService{db: db, jwtService: jwtService, auditLogService: auditLogService, emailService: emailService, appConfigService: appConfigService}
+}
+
+func (s *UserService) ListUsers(searchTerm string, sortedPaginationRequest utils.SortedPaginationRequest) ([]model.User, utils.PaginationResponse, error) {
+	var users []model.User
+	query := s.db.Model(&model.User{})
+
+	if searchTerm != "" {
+		searchPattern := "%" + searchTerm + "%"
+		query = query.Where("email LIKE ? OR first_name LIKE ? OR username LIKE ?", searchPattern, searchPattern, searchPattern)
+	}
+
+	pagination, err := utils.PaginateAndSort(sortedPaginationRequest, query, &users)
+	return users, pagination, err
+}
+
+func (s *UserService) GetUser(userID string) (model.User, error) {
+	var user model.User
+	err := s.db.Preload("CustomClaims").Where("id = ?", userID).First(&user).Error
+	return user, err
+}
+
+func (s *UserService) GetProfilePicture(userID string) (io.Reader, int64, error) {
+	// Validate the user ID to prevent directory traversal
+	if err := uuid.Validate(userID); err != nil {
+		return nil, 0, &common.InvalidUUIDError{}
+	}
+
+	profilePicturePath := fmt.Sprintf("%s/profile-pictures/%s.png", common.EnvConfig.UploadPath, userID)
+	file, err := os.Open(profilePicturePath)
+	if err == nil {
+		// Get the file size
+		fileInfo, err := file.Stat()
+		if err != nil {
+			return nil, 0, err
+		}
+		return file, fileInfo.Size(), nil
+	}
+
+	// If the file does not exist, return the default profile picture
+	user, err := s.GetUser(userID)
+	if err != nil {
+		return nil, 0, err
+	}
+
+	defaultPicture, err := profilepicture.CreateDefaultProfilePicture(user.FirstName, user.LastName)
+	if err != nil {
+		return nil, 0, err
+	}
+
+	return defaultPicture, int64(defaultPicture.Len()), nil
+}
+
+func (s *UserService) UpdateProfilePicture(userID string, file io.Reader) error {
+	// Validate the user ID to prevent directory traversal
+	if err := uuid.Validate(userID); err != nil {
+		return &common.InvalidUUIDError{}
+	}
+
+	// Convert the image to a smaller square image
+	profilePicture, err := profilepicture.CreateProfilePicture(file)
+	if err != nil {
+		return err
+	}
+
+	// Ensure the directory exists
+	profilePictureDir := fmt.Sprintf("%s/profile-pictures", common.EnvConfig.UploadPath)
+	if err := os.MkdirAll(profilePictureDir, os.ModePerm); err != nil {
+		return err
+	}
+
+	// Create the profile picture file
+	createdProfilePicture, err := os.Create(fmt.Sprintf("%s/%s.png", profilePictureDir, userID))
+	if err != nil {
+		return err
+	}
+	defer createdProfilePicture.Close()
+
+	// Copy the image to the file
+	_, err = io.Copy(createdProfilePicture, profilePicture)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func (s *UserService) DeleteUser(userID string) error {
+	var user model.User
+	if err := s.db.Where("id = ?", userID).First(&user).Error; err != nil {
+		return err
+	}
+
+	// Disallow deleting the user if it is an LDAP user and LDAP is enabled
+	if user.LdapID != nil && s.appConfigService.DbConfig.LdapEnabled.Value == "true" {
+		return &common.LdapUserUpdateError{}
+	}
+
+	return s.db.Delete(&user).Error
+}
+
+func (s *UserService) CreateUser(input dto.UserCreateDto) (model.User, error) {
+	user := model.User{
+		FirstName: input.FirstName,
+		LastName:  input.LastName,
+		Email:     input.Email,
+		Username:  input.Username,
+		IsAdmin:   input.IsAdmin,
+	}
+	if input.LdapID != "" {
+		user.LdapID = &input.LdapID
+	}
+
+	if err := s.db.Create(&user).Error; err != nil {
+		if errors.Is(err, gorm.ErrDuplicatedKey) {
+			return model.User{}, s.checkDuplicatedFields(user)
+		}
+		return model.User{}, err
+	}
+	return user, nil
+}
+
+func (s *UserService) UpdateUser(userID string, updatedUser dto.UserCreateDto, updateOwnUser bool, allowLdapUpdate bool) (model.User, error) {
+	var user model.User
+	if err := s.db.Where("id = ?", userID).First(&user).Error; err != nil {
+		return model.User{}, err
+	}
+
+	// Disallow updating the user if it is an LDAP group and LDAP is enabled
+	if !allowLdapUpdate && user.LdapID != nil && s.appConfigService.DbConfig.LdapEnabled.Value == "true" {
+		return model.User{}, &common.LdapUserUpdateError{}
+	}
+
+	user.FirstName = updatedUser.FirstName
+	user.LastName = updatedUser.LastName
+	user.Email = updatedUser.Email
+	user.Username = updatedUser.Username
+	if !updateOwnUser {
+		user.IsAdmin = updatedUser.IsAdmin
+	}
+
+	if err := s.db.Save(&user).Error; err != nil {
+		if errors.Is(err, gorm.ErrDuplicatedKey) {
+			return user, s.checkDuplicatedFields(user)
+		}
+		return user, err
+	}
+
+	return user, nil
+}
+
+func (s *UserService) RequestOneTimeAccessEmail(emailAddress, redirectPath string) error {
+	var user model.User
+	if err := s.db.Where("email = ?", emailAddress).First(&user).Error; err != nil {
+		// Do not return error if user not found to prevent email enumeration
+		if errors.Is(err, gorm.ErrRecordNotFound) {
+			return nil
+		} else {
+			return err
+		}
+	}
+
+	oneTimeAccessToken, err := s.CreateOneTimeAccessToken(user.ID, time.Now().Add(time.Hour))
+	if err != nil {
+		return err
+	}
+
+	link := fmt.Sprintf("%s/login/%s", common.EnvConfig.AppURL, oneTimeAccessToken)
+
+	// Add redirect path to the link
+	if strings.HasPrefix(redirectPath, "/") {
+		encodedRedirectPath := url.QueryEscape(redirectPath)
+		link = fmt.Sprintf("%s?redirect=%s", link, encodedRedirectPath)
+	}
+
+	go func() {
+		err := SendEmail(s.emailService, email.Address{
+			Name:  user.Username,
+			Email: user.Email,
+		}, OneTimeAccessTemplate, &OneTimeAccessTemplateData{
+			Link: link,
+		})
+		if err != nil {
+			log.Printf("Failed to send email to '%s': %v\n", user.Email, err)
+		}
+	}()
+
+	return nil
+}
+
+func (s *UserService) CreateOneTimeAccessToken(userID string, expiresAt time.Time) (string, error) {
+	randomString, err := utils.GenerateRandomAlphanumericString(16)
+	if err != nil {
+		return "", err
+	}
+
+	oneTimeAccessToken := model.OneTimeAccessToken{
+		UserID:    userID,
+		ExpiresAt: datatype.DateTime(expiresAt),
+		Token:     randomString,
+	}
+
+	if err := s.db.Create(&oneTimeAccessToken).Error; err != nil {
+		return "", err
+	}
+
+	return oneTimeAccessToken.Token, nil
+}
+
+func (s *UserService) ExchangeOneTimeAccessToken(token string, ipAddress, userAgent string) (model.User, string, error) {
+	var oneTimeAccessToken model.OneTimeAccessToken
+	if err := s.db.Where("token = ? AND expires_at > ?", token, datatype.DateTime(time.Now())).Preload("User").First(&oneTimeAccessToken).Error; err != nil {
+		if errors.Is(err, gorm.ErrRecordNotFound) {
+			return model.User{}, "", &common.TokenInvalidOrExpiredError{}
+		}
+		return model.User{}, "", err
+	}
+	accessToken, err := s.jwtService.GenerateAccessToken(oneTimeAccessToken.User)
+	if err != nil {
+		return model.User{}, "", err
+	}
+
+	if err := s.db.Delete(&oneTimeAccessToken).Error; err != nil {
+		return model.User{}, "", err
+	}
+
+	if ipAddress != "" && userAgent != "" {
+		s.auditLogService.Create(model.AuditLogEventOneTimeAccessTokenSignIn, ipAddress, userAgent, oneTimeAccessToken.User.ID, model.AuditLogData{})
+	}
+
+	return oneTimeAccessToken.User, accessToken, nil
+}
+
+func (s *UserService) SetupInitialAdmin() (model.User, string, error) {
+	var userCount int64
+	if err := s.db.Model(&model.User{}).Count(&userCount).Error; err != nil {
+		return model.User{}, "", err
+	}
+	if userCount > 1 {
+		return model.User{}, "", &common.SetupAlreadyCompletedError{}
+	}
+
+	user := model.User{
+		FirstName: "Admin",
+		LastName:  "Admin",
+		Username:  "admin",
+		Email:     "admin@admin.com",
+		IsAdmin:   true,
+	}
+
+	if err := s.db.Model(&model.User{}).Preload("Credentials").FirstOrCreate(&user).Error; err != nil {
+		return model.User{}, "", err
+	}
+
+	if len(user.Credentials) > 0 {
+		return model.User{}, "", &common.SetupAlreadyCompletedError{}
+	}
+
+	token, err := s.jwtService.GenerateAccessToken(user)
+	if err != nil {
+		return model.User{}, "", err
+	}
+
+	return user, token, nil
+}
+
+func (s *UserService) checkDuplicatedFields(user model.User) error {
+	var existingUser model.User
+	if s.db.Where("id != ? AND email = ?", user.ID, user.Email).First(&existingUser).Error == nil {
+		return &common.AlreadyInUseError{Property: "email"}
+	}
+
+	if s.db.Where("id != ? AND username = ?", user.ID, user.Username).First(&existingUser).Error == nil {
+		return &common.AlreadyInUseError{Property: "username"}
+	}
+
+	return nil
+}

backend/internal/service/webauthn_service.go

@@ -0,0 +1,210 @@
+package service
+
+import (
+	"net/http"
+	"time"
+
+	"github.com/go-webauthn/webauthn/protocol"
+	"github.com/go-webauthn/webauthn/webauthn"
+	"github.com/pocket-id/pocket-id/backend/internal/common"
+	"github.com/pocket-id/pocket-id/backend/internal/model"
+	datatype "github.com/pocket-id/pocket-id/backend/internal/model/types"
+	"github.com/pocket-id/pocket-id/backend/internal/utils"
+	"gorm.io/gorm"
+)
+
+type WebAuthnService struct {
+	db               *gorm.DB
+	webAuthn         *webauthn.WebAuthn
+	jwtService       *JwtService
+	auditLogService  *AuditLogService
+	appConfigService *AppConfigService
+}
+
+func NewWebAuthnService(db *gorm.DB, jwtService *JwtService, auditLogService *AuditLogService, appConfigService *AppConfigService) *WebAuthnService {
+	webauthnConfig := &webauthn.Config{
+		RPDisplayName: appConfigService.DbConfig.AppName.Value,
+		RPID:          utils.GetHostnameFromURL(common.EnvConfig.AppURL),
+		RPOrigins:     []string{common.EnvConfig.AppURL},
+		Timeouts: webauthn.TimeoutsConfig{
+			Login: webauthn.TimeoutConfig{
+				Enforce:    true,
+				Timeout:    time.Second * 60,
+				TimeoutUVD: time.Second * 60,
+			},
+			Registration: webauthn.TimeoutConfig{
+				Enforce:    true,
+				Timeout:    time.Second * 60,
+				TimeoutUVD: time.Second * 60,
+			},
+		},
+	}
+	wa, _ := webauthn.New(webauthnConfig)
+	return &WebAuthnService{db: db, webAuthn: wa, jwtService: jwtService, auditLogService: auditLogService, appConfigService: appConfigService}
+}
+
+func (s *WebAuthnService) BeginRegistration(userID string) (*model.PublicKeyCredentialCreationOptions, error) {
+	s.updateWebAuthnConfig()
+
+	var user model.User
+	if err := s.db.Preload("Credentials").Find(&user, "id = ?", userID).Error; err != nil {
+		return nil, err
+	}
+
+	options, session, err := s.webAuthn.BeginRegistration(&user, webauthn.WithResidentKeyRequirement(protocol.ResidentKeyRequirementRequired), webauthn.WithExclusions(user.WebAuthnCredentialDescriptors()))
+	if err != nil {
+		return nil, err
+	}
+
+	sessionToStore := &model.WebauthnSession{
+		ExpiresAt:        datatype.DateTime(session.Expires),
+		Challenge:        session.Challenge,
+		UserVerification: string(session.UserVerification),
+	}
+
+	if err := s.db.Create(&sessionToStore).Error; err != nil {
+		return nil, err
+	}
+
+	return &model.PublicKeyCredentialCreationOptions{
+		Response:  options.Response,
+		SessionID: sessionToStore.ID,
+		Timeout:   s.webAuthn.Config.Timeouts.Registration.Timeout,
+	}, nil
+}
+
+func (s *WebAuthnService) VerifyRegistration(sessionID, userID string, r *http.Request) (model.WebauthnCredential, error) {
+	var storedSession model.WebauthnSession
+	if err := s.db.First(&storedSession, "id = ?", sessionID).Error; err != nil {
+		return model.WebauthnCredential{}, err
+	}
+
+	session := webauthn.SessionData{
+		Challenge: storedSession.Challenge,
+		Expires:   storedSession.ExpiresAt.ToTime(),
+		UserID:    []byte(userID),
+	}
+
+	var user model.User
+	if err := s.db.Find(&user, "id = ?", userID).Error; err != nil {
+		return model.WebauthnCredential{}, err
+	}
+
+	credential, err := s.webAuthn.FinishRegistration(&user, session, r)
+	if err != nil {
+		return model.WebauthnCredential{}, err
+	}
+
+	credentialToStore := model.WebauthnCredential{
+		Name:            "New Passkey",
+		CredentialID:    credential.ID,
+		AttestationType: credential.AttestationType,
+		PublicKey:       credential.PublicKey,
+		Transport:       credential.Transport,
+		UserID:          user.ID,
+		BackupEligible:  credential.Flags.BackupEligible,
+		BackupState:     credential.Flags.BackupState,
+	}
+	if err := s.db.Create(&credentialToStore).Error; err != nil {
+		return model.WebauthnCredential{}, err
+	}
+
+	return credentialToStore, nil
+}
+
+func (s *WebAuthnService) BeginLogin() (*model.PublicKeyCredentialRequestOptions, error) {
+	options, session, err := s.webAuthn.BeginDiscoverableLogin()
+	if err != nil {
+		return nil, err
+	}
+
+	sessionToStore := &model.WebauthnSession{
+		ExpiresAt:        datatype.DateTime(session.Expires),
+		Challenge:        session.Challenge,
+		UserVerification: string(session.UserVerification),
+	}
+
+	if err := s.db.Create(&sessionToStore).Error; err != nil {
+		return nil, err
+	}
+
+	return &model.PublicKeyCredentialRequestOptions{
+		Response:  options.Response,
+		SessionID: sessionToStore.ID,
+		Timeout:   s.webAuthn.Config.Timeouts.Registration.Timeout,
+	}, nil
+}
+
+func (s *WebAuthnService) VerifyLogin(sessionID string, credentialAssertionData *protocol.ParsedCredentialAssertionData, ipAddress, userAgent string) (model.User, string, error) {
+	var storedSession model.WebauthnSession
+	if err := s.db.First(&storedSession, "id = ?", sessionID).Error; err != nil {
+		return model.User{}, "", err
+	}
+
+	session := webauthn.SessionData{
+		Challenge: storedSession.Challenge,
+		Expires:   storedSession.ExpiresAt.ToTime(),
+	}
+
+	var user *model.User
+	_, err := s.webAuthn.ValidateDiscoverableLogin(func(_, userHandle []byte) (webauthn.User, error) {
+		if err := s.db.Preload("Credentials").First(&user, "id = ?", string(userHandle)).Error; err != nil {
+			return nil, err
+		}
+		return user, nil
+	}, session, credentialAssertionData)
+
+	if err != nil {
+		return model.User{}, "", err
+	}
+
+	token, err := s.jwtService.GenerateAccessToken(*user)
+	if err != nil {
+		return model.User{}, "", err
+	}
+
+	s.auditLogService.CreateNewSignInWithEmail(ipAddress, userAgent, user.ID)
+
+	return *user, token, nil
+}
+
+func (s *WebAuthnService) ListCredentials(userID string) ([]model.WebauthnCredential, error) {
+	var credentials []model.WebauthnCredential
+	if err := s.db.Find(&credentials, "user_id = ?", userID).Error; err != nil {
+		return nil, err
+	}
+	return credentials, nil
+}
+
+func (s *WebAuthnService) DeleteCredential(userID, credentialID string) error {
+	var credential model.WebauthnCredential
+	if err := s.db.First(&credential, "id = ? AND user_id = ?", credentialID, userID).Error; err != nil {
+		return err
+	}
+
+	if err := s.db.Delete(&credential).Error; err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func (s *WebAuthnService) UpdateCredential(userID, credentialID, name string) (model.WebauthnCredential, error) {
+	var credential model.WebauthnCredential
+	if err := s.db.Where("id = ? AND user_id = ?", credentialID, userID).First(&credential).Error; err != nil {
+		return credential, err
+	}
+
+	credential.Name = name
+
+	if err := s.db.Save(&credential).Error; err != nil {
+		return credential, err
+	}
+
+	return credential, nil
+}
+
+// updateWebAuthnConfig updates the WebAuthn configuration with the app name as it can change during runtime
+func (s *WebAuthnService) updateWebAuthnConfig() {
+	s.webAuthn.Config.RPDisplayName = s.appConfigService.DbConfig.AppName.Value
+}

backend/internal/utils/cookie/add_cookie.go

@@ -0,0 +1,13 @@
+package cookie
+
+import (
+	"github.com/gin-gonic/gin"
+)
+
+func AddAccessTokenCookie(c *gin.Context, maxAgeInSeconds int, token string) {
+	c.SetCookie(AccessTokenCookieName, token, maxAgeInSeconds, "/", "", true, true)
+}
+
+func AddSessionIdCookie(c *gin.Context, maxAgeInSeconds int, sessionID string) {
+	c.SetCookie(SessionIdCookieName, sessionID, maxAgeInSeconds, "/", "", true, true)
+}

backend/internal/utils/cookie/cookie_names.go

@@ -0,0 +1,17 @@
+package cookie
+
+import (
+	"strings"
+
+	"github.com/pocket-id/pocket-id/backend/internal/common"
+)
+
+var AccessTokenCookieName = "__Host-access_token"
+var SessionIdCookieName = "__Host-session"
+
+func init() {
+	if strings.HasPrefix(common.EnvConfig.AppURL, "http://") {
+		AccessTokenCookieName = "access_token"
+		SessionIdCookieName = "session"
+	}
+}

backend/internal/utils/email/composer.go

@@ -0,0 +1,213 @@
+package email
+
+import (
+	"fmt"
+	"strings"
+	"unicode"
+)
+
+const maxLineLength = 78
+const continuePrefix = "    "
+const addressSeparator = ", "
+
+type Composer struct {
+	isClosed bool
+	content  strings.Builder
+}
+
+func NewComposer() *Composer {
+	return &Composer{}
+}
+
+type Address struct {
+	Name  string
+	Email string
+}
+
+func (c *Composer) AddAddressHeader(name string, addresses []Address) {
+	c.content.WriteString(genAddressHeader(name, addresses, maxLineLength))
+	c.content.WriteString("\n")
+}
+
+func genAddressHeader(name string, addresses []Address, maxLength int) string {
+	hl := &headerLine{
+		maxLineLength:  maxLength,
+		continuePrefix: continuePrefix,
+	}
+
+	hl.Write(name)
+	hl.Write(": ")
+
+	for i, addr := range addresses {
+		var email string
+		if i < len(addresses)-1 {
+			email = fmt.Sprintf("<%s>%s", addr.Email, addressSeparator)
+		} else {
+			email = fmt.Sprintf("<%s>", addr.Email)
+		}
+		writeHeaderQ(hl, addr.Name)
+		writeHeaderAtom(hl, " ")
+		writeHeaderAtom(hl, email)
+	}
+	hl.EndLine()
+	return hl.String()
+}
+
+func (c *Composer) AddHeader(name, value string) {
+	if isPrintableASCII(value) && len(value)+len(name)+len(": ") < maxLineLength {
+		c.AddHeaderRaw(name, value)
+		return
+	}
+
+	c.content.WriteString(genHeader(name, value, maxLineLength))
+	c.content.WriteString("\n")
+}
+
+func genHeader(name, value string, maxLength int) string {
+	// add content as raw header when it is printable ASCII and shorter than maxLineLength
+	hl := &headerLine{
+		maxLineLength:  maxLength,
+		continuePrefix: continuePrefix,
+	}
+
+	hl.Write(name)
+	hl.Write(": ")
+	writeHeaderQ(hl, value)
+	hl.EndLine()
+	return hl.String()
+}
+
+const qEncStart = "=?utf-8?q?"
+const qEncEnd = "?="
+
+type headerLine struct {
+	buffer         strings.Builder
+	line           strings.Builder
+	maxLineLength  int
+	continuePrefix string
+}
+
+func (h *headerLine) FitsLine(length int) bool {
+	return h.line.Len()+len(h.continuePrefix)+length+2 < h.maxLineLength
+}
+
+func (h *headerLine) Write(str string) {
+	h.line.WriteString(str)
+}
+
+func (h *headerLine) EndLineWith(str string) {
+	h.line.WriteString(str)
+	h.EndLine()
+}
+
+func (h *headerLine) EndLine() {
+	if h.line.Len() == 0 {
+		return
+	}
+
+	if h.buffer.Len() != 0 {
+		h.buffer.WriteString("\n")
+		h.buffer.WriteString(h.continuePrefix)
+	}
+	h.buffer.WriteString(h.line.String())
+	h.line.Reset()
+}
+
+func (h *headerLine) String() string {
+	return h.buffer.String()
+}
+
+func writeHeaderQ(header *headerLine, value string) {
+
+	// current line does not fit event the first character - do \n
+	if !header.FitsLine(len(qEncStart) + len(convertRunes(value[0:1])[0]) + len(qEncEnd)) {
+		header.EndLineWith("")
+	}
+
+	header.Write(qEncStart)
+
+	for _, token := range convertRunes(value) {
+		if header.FitsLine(len(token) + len(qEncEnd)) {
+			header.Write(token)
+		} else {
+			header.EndLineWith(qEncEnd)
+			header.Write(qEncStart)
+			header.Write(token)
+		}
+	}
+
+	header.Write(qEncEnd)
+}
+
+func writeHeaderAtom(header *headerLine, value string) {
+	if !header.FitsLine(len(value)) {
+		header.EndLine()
+	}
+	header.Write(value)
+}
+
+func (c *Composer) AddHeaderRaw(name, value string) {
+	if c.isClosed {
+		panic("composer had already written body!")
+	}
+	header := fmt.Sprintf("%s: %s\n", name, value)
+	c.content.WriteString(header)
+}
+
+func (c *Composer) Body(body string) {
+	c.content.WriteString("\n")
+	c.content.WriteString(body)
+	c.isClosed = true
+}
+
+func (c *Composer) String() string {
+	return c.content.String()
+}
+
+func convertRunes(str string) []string {
+	var enc = make([]string, 0, len(str))
+	for _, r := range []rune(str) {
+		if r == ' ' {
+			enc = append(enc, "_")
+		} else if isPrintableASCIIRune(r) &&
+			r != '=' &&
+			r != '?' &&
+			r != '_' {
+			enc = append(enc, string(r))
+		} else {
+			enc = append(enc, string(toHex([]byte(string(r)))))
+		}
+	}
+	return enc
+}
+
+func toHex(in []byte) []byte {
+	enc := make([]byte, 0, len(in)*2)
+	for _, b := range in {
+		enc = append(enc, '=')
+		enc = append(enc, hex(b/16))
+		enc = append(enc, hex(b%16))
+	}
+	return enc
+}
+
+func hex(n byte) byte {
+	if n > 9 {
+		return n + (65 - 10)
+	} else {
+		return n + 48
+	}
+}
+
+func isPrintableASCII(str string) bool {
+	for _, r := range []rune(str) {
+		if !unicode.IsPrint(r) || r >= unicode.MaxASCII {
+			return false
+		}
+	}
+	return true
+}
+
+func isPrintableASCIIRune(r rune) bool {
+	return r > 31 && r < 127
+}

backend/internal/utils/email/composer_test.go

@@ -0,0 +1,92 @@
+package email
+
+import (
+	"strings"
+	"testing"
+)
+
+func TestConvertRunes(t *testing.T) {
+	var testData = map[string]string{
+		"=??=_.": "=3D=3F=3F=3D=5F.",
+		"Příšerně žluťoučký kůn úpěl ďábelské ódy 🐎": "P=C5=99=C3=AD=C5=A1ern=C4=9B_=C5=BElu=C5=A5ou=C4=8Dk=C3=BD_k=C5=AFn_=C3=BAp=C4=9Bl_=C4=8F=C3=A1belsk=C3=A9_=C3=B3dy_=F0=9F=90=8E",
+	}
+	for input, expected := range testData {
+		got := strings.Join(convertRunes(input), "")
+		if got != expected {
+			t.Errorf("Input: '%s', expected '%s', got: '%s'", input, expected, got)
+		}
+	}
+}
+
+type genHeaderTestData struct {
+	name     string
+	value    string
+	expected string
+	maxWidth int
+}
+
+func TestGenHeaderQ(t *testing.T) {
+	var testData = []genHeaderTestData{
+		{
+			name:  "Subject",
+			value: "Příšerně žluťoučký kůn úpěl ďábelské ódy 🐎",
+			expected: "Subject: =?utf-8?q?P=C5=99=C3=AD=C5=A1ern=C4=9B_=C5=BElu=C5=A5ou=C4=8Dk?=\n" +
+				"    =?utf-8?q?=C3=BD_k=C5=AFn_=C3=BAp=C4=9Bl_=C4=8F=C3=A1belsk=C3=A9_=C3=B3?=\n" +
+				"    =?utf-8?q?dy_=F0=9F=90=8E?=",
+			maxWidth: 80,
+		},
+	}
+	for _, data := range testData {
+		got := genHeader(data.name, data.value, data.maxWidth)
+		if got != data.expected {
+			t.Errorf("Input: '%s', expected \n===\n%s\n===, got: \n===\n%s\n==='", data.value, data.expected, got)
+		}
+
+	}
+}
+
+type genAddressHeaderTestData struct {
+	name      string
+	addresses []Address
+	expected  string
+	maxLength int
+}
+
+func TestGenAddressHeader(t *testing.T) {
+	var testData = []genAddressHeaderTestData{
+		{
+			name: "To",
+			addresses: []Address{
+				{
+					Name:  "Oldřich Jánský",
+					Email: "olrd@example.com",
+				},
+			},
+			expected:  "To: =?utf-8?q?Old=C5=99ich_J=C3=A1nsk=C3=BD?= <olrd@example.com>",
+			maxLength: 80,
+		},
+		{
+			name: "Subject",
+			addresses: []Address{
+				{
+					Name:  "Oldřich Jánský",
+					Email: "olrd@example.com",
+				},
+				{
+					Name:  "Jan Novák",
+					Email: "novak@example.com",
+				},
+			},
+			expected: "Subject: =?utf-8?q?Old=C5=99ich_J=C3=A1nsk=C3=BD?= <olrd@example.com>, \n" +
+				"    =?utf-8?q?Jan_Nov=C3=A1k?= <novak@example.com>",
+			maxLength: 80,
+		},
+	}
+	for _, data := range testData {
+		got := genAddressHeader(data.name, data.addresses, data.maxLength)
+		if got != data.expected {
+			t.Errorf("Test: '%s', expected \n===\n%s\n===, got: \n===\n%s\n==='", data.name, data.expected, got)
+		}
+
+	}
+}

backend/internal/utils/email/email_service_templates.go

@@ -0,0 +1,98 @@
+package email
+
+import (
+	"fmt"
+	htemplate "html/template"
+	"io/fs"
+	"path"
+	ttemplate "text/template"
+
+	"github.com/pocket-id/pocket-id/backend/resources"
+)
+
+type Template[V any] struct {
+	Path  string
+	Title func(data *TemplateData[V]) string
+}
+
+type TemplateData[V any] struct {
+	AppName string
+	LogoURL string
+	Data    *V
+}
+
+type TemplateMap[V any] map[string]*V
+
+func GetTemplate[U any, V any](templateMap TemplateMap[U], template Template[V]) *U {
+	return templateMap[template.Path]
+}
+
+type clonable[V pareseable[V]] interface {
+	Clone() (V, error)
+}
+
+type pareseable[V any] interface {
+	ParseFS(fs.FS, ...string) (V, error)
+}
+
+func prepareTemplate[V pareseable[V]](templateFS fs.FS, template string, rootTemplate clonable[V], suffix string) (V, error) {
+	tmpl, err := rootTemplate.Clone()
+	if err != nil {
+		return *new(V), fmt.Errorf("clone root template: %w", err)
+	}
+
+	filename := fmt.Sprintf("%s%s", template, suffix)
+	templatePath := path.Join("email-templates", filename)
+	_, err = tmpl.ParseFS(templateFS, templatePath)
+	if err != nil {
+		return *new(V), fmt.Errorf("parsing template '%s': %w", template, err)
+	}
+
+	return tmpl, nil
+}
+
+func PrepareTextTemplates(templates []string) (map[string]*ttemplate.Template, error) {
+	components := path.Join("email-templates", "components", "*_text.tmpl")
+	rootTmpl, err := ttemplate.ParseFS(resources.FS, components)
+	if err != nil {
+		return nil, fmt.Errorf("unable to parse templates '%s': %w", components, err)
+	}
+
+	textTemplates := make(map[string]*ttemplate.Template, len(templates))
+	for _, tmpl := range templates {
+		rootTmplClone, err := rootTmpl.Clone()
+		if err != nil {
+			return nil, fmt.Errorf("clone root template: %w", err)
+		}
+
+		textTemplates[tmpl], err = prepareTemplate[*ttemplate.Template](resources.FS, tmpl, rootTmplClone, "_text.tmpl")
+		if err != nil {
+			return nil, fmt.Errorf("parse '%s': %w", tmpl, err)
+		}
+	}
+
+	return textTemplates, nil
+}
+
+func PrepareHTMLTemplates(templates []string) (map[string]*htemplate.Template, error) {
+	components := path.Join("email-templates", "components", "*_html.tmpl")
+	rootTmpl, err := htemplate.ParseFS(resources.FS, components)
+	if err != nil {
+		return nil, fmt.Errorf("unable to parse templates '%s': %w", components, err)
+	}
+
+	htmlTemplates := make(map[string]*htemplate.Template, len(templates))
+	for _, tmpl := range templates {
+		rootTmplClone, err := rootTmpl.Clone()
+		if err != nil {
+			return nil, fmt.Errorf("clone root template: %w", err)
+		}
+
+		htmlTemplates[tmpl], err = prepareTemplate[*htemplate.Template](resources.FS, tmpl, rootTmplClone, "_html.tmpl")
+		if err != nil {
+			return nil, fmt.Errorf("parse '%s': %w", tmpl, err)
+		}
+	}
+
+	return htmlTemplates, nil
+}

backend/internal/utils/file_util.go

@@ -2,9 +2,12 @@ package utils
 
 import (
 	"io"
+	"mime/multipart"
 	"os"
 	"path/filepath"
 	"strings"
+
+	"github.com/pocket-id/pocket-id/backend/resources"
 )
 
 func GetFileExtension(filename string) string {
@@ -27,27 +30,8 @@ func GetImageMimeType(ext string) string {
 	}
 }
 
-func CopyDirectory(srcDir, destDir string) error {
+func CopyEmbeddedFileToDisk(srcFilePath, destFilePath string) error {
-	files, err := os.ReadDir(srcDir)
+	srcFile, err := resources.FS.Open(srcFilePath)
-	if err != nil {
-		return err
-	}
-
-	for _, file := range files {
-		srcFilePath := filepath.Join(srcDir, file.Name())
-		destFilePath := filepath.Join(destDir, file.Name())
-
-		err := copyFile(srcFilePath, destFilePath)
-		if err != nil {
-			return err
-		}
-	}
-
-	return nil
-}
-
-func copyFile(srcFilePath, destFilePath string) error {
-	srcFile, err := os.Open(srcFilePath)
 	if err != nil {
 		return err
 	}
@@ -71,3 +55,24 @@ func copyFile(srcFilePath, destFilePath string) error {
 
 	return nil
 }
+
+func SaveFile(file *multipart.FileHeader, dst string) error {
+	src, err := file.Open()
+	if err != nil {
+		return err
+	}
+	defer src.Close()
+
+	if err = os.MkdirAll(filepath.Dir(dst), 0o750); err != nil {
+		return err
+	}
+
+	out, err := os.Create(dst)
+	if err != nil {
+		return err
+	}
+	defer out.Close()
+
+	_, err = io.Copy(out, src)
+	return err
+}

backend/internal/utils/handler_error_util.go

@@ -1,19 +0,0 @@
-package utils
-
-import (
-	"github.com/gin-gonic/gin"
-	"log"
-	"net/http"
-	"strings"
-)
-
-func UnknownHandlerError(c *gin.Context, err error) {
-	log.Println(err)
-	c.JSON(http.StatusInternalServerError, gin.H{"error": "Something went wrong"})
-}
-
-func HandlerError(c *gin.Context, statusCode int, message string) {
-	// Capitalize the first letter of the message
-	message = strings.ToUpper(message[:1]) + message[1:]
-	c.JSON(statusCode, gin.H{"error": message})
-}

backend/internal/utils/image/profile_picture.go

@@ -0,0 +1,96 @@
+package profilepicture
+
+import (
+	"bytes"
+	"fmt"
+	"github.com/disintegration/imaging"
+	"github.com/pocket-id/pocket-id/backend/resources"
+	"golang.org/x/image/font"
+	"golang.org/x/image/font/opentype"
+	"golang.org/x/image/math/fixed"
+	"image"
+	"image/color"
+	"io"
+	"strings"
+)
+
+const profilePictureSize = 300
+
+// CreateProfilePicture resizes the profile picture to a square
+func CreateProfilePicture(file io.Reader) (*bytes.Buffer, error) {
+	img, err := imaging.Decode(file)
+	if err != nil {
+		return nil, fmt.Errorf("failed to decode image: %w", err)
+	}
+
+	img = imaging.Fill(img, profilePictureSize, profilePictureSize, imaging.Center, imaging.Lanczos)
+
+	var buf bytes.Buffer
+	err = imaging.Encode(&buf, img, imaging.PNG)
+	if err != nil {
+		return nil, fmt.Errorf("failed to encode image: %v", err)
+	}
+
+	return &buf, nil
+}
+
+// CreateDefaultProfilePicture creates a profile picture with the initials
+func CreateDefaultProfilePicture(firstName, lastName string) (*bytes.Buffer, error) {
+	// Get the initials
+	initials := ""
+	if len(firstName) > 0 {
+		initials += string(firstName[0])
+	}
+	if len(lastName) > 0 {
+		initials += string(lastName[0])
+	}
+	initials = strings.ToUpper(initials)
+
+	// Create a blank image with a white background
+	img := imaging.New(profilePictureSize, profilePictureSize, color.RGBA{R: 255, G: 255, B: 255, A: 255})
+
+	// Load the font
+	fontBytes, err := resources.FS.ReadFile("fonts/PlayfairDisplay-Bold.ttf")
+	if err != nil {
+		return nil, fmt.Errorf("failed to read font file: %w", err)
+	}
+
+	// Parse the font
+	fontFace, err := opentype.Parse(fontBytes)
+	if err != nil {
+		return nil, fmt.Errorf("failed to parse font: %w", err)
+	}
+
+	// Create a font.Face with a specific size
+	fontSize := 160.0
+	face, err := opentype.NewFace(fontFace, &opentype.FaceOptions{
+		Size: fontSize,
+		DPI:  72,
+	})
+	if err != nil {
+		return nil, fmt.Errorf("failed to create font face: %w", err)
+	}
+
+	// Create a drawer for the image
+	drawer := &font.Drawer{
+		Dst:  img,
+		Src:  image.NewUniform(color.RGBA{R: 0, G: 0, B: 0, A: 255}), // Black text color
+		Face: face,
+	}
+
+	// Center the initials
+	x := (profilePictureSize - font.MeasureString(face, initials).Ceil()) / 2
+	y := (profilePictureSize-face.Metrics().Height.Ceil())/2 + face.Metrics().Ascent.Ceil() - 10
+	drawer.Dot = fixed.P(x, y)
+
+	// Draw the initials
+	drawer.DrawString(initials)
+
+	var buf bytes.Buffer
+	err = imaging.Encode(&buf, img, imaging.PNG)
+	if err != nil {
+		return nil, fmt.Errorf("failed to encode image: %v", err)
+	}
+
+	return &buf, nil
+}

backend/internal/utils/paging_util.go

@@ -1,21 +1,47 @@
 package utils
 
 import (
-	"github.com/gin-gonic/gin"
 	"gorm.io/gorm"
-	"strconv"
+	"reflect"
 )
 
 type PaginationResponse struct {
-	TotalPages  int64 `json:"totalPages"`
+	TotalPages   int64 `json:"totalPages"`
-	TotalItems  int64 `json:"totalItems"`
+	TotalItems   int64 `json:"totalItems"`
-	CurrentPage int   `json:"currentPage"`
+	CurrentPage  int   `json:"currentPage"`
+	ItemsPerPage int   `json:"itemsPerPage"`
 }
 
-func Paginate(c *gin.Context, db *gorm.DB, result interface{}) (PaginationResponse, error) {
+type SortedPaginationRequest struct {
-	page, _ := strconv.Atoi(c.DefaultQuery("page", "1"))
+	Pagination struct {
-	pageSize, _ := strconv.Atoi(c.DefaultQuery("limit", "10"))
+		Page  int `form:"pagination[page]"`
+		Limit int `form:"pagination[limit]"`
+	} `form:"pagination"`
+	Sort struct {
+		Column    string `form:"sort[column]"`
+		Direction string `form:"sort[direction]"`
+	} `form:"sort"`
+}
 
+func PaginateAndSort(sortedPaginationRequest SortedPaginationRequest, query *gorm.DB, result interface{}) (PaginationResponse, error) {
+	pagination := sortedPaginationRequest.Pagination
+	sort := sortedPaginationRequest.Sort
+
+	capitalizedSortColumn := CapitalizeFirstLetter(sort.Column)
+
+	sortField, sortFieldFound := reflect.TypeOf(result).Elem().Elem().FieldByName(capitalizedSortColumn)
+	isSortable := sortField.Tag.Get("sortable") == "true"
+	isValidSortOrder := sort.Direction == "asc" || sort.Direction == "desc"
+
+	if sortFieldFound && isSortable && isValidSortOrder {
+		query = query.Order(CamelCaseToSnakeCase(sort.Column) + " " + sort.Direction)
+	}
+
+	return Paginate(pagination.Page, pagination.Limit, query, result)
+
+}
+
+func Paginate(page int, pageSize int, query *gorm.DB, result interface{}) (PaginationResponse, error) {
 	if page < 1 {
 		page = 1
 	}
@@ -29,17 +55,23 @@ func Paginate(c *gin.Context, db *gorm.DB, result interface{}) (PaginationRespon
 	offset := (page - 1) * pageSize
 
 	var totalItems int64
-	if err := db.Count(&totalItems).Error; err != nil {
+	if err := query.Count(&totalItems).Error; err != nil {
 		return PaginationResponse{}, err
 	}
 
-	if err := db.Offset(offset).Limit(pageSize).Find(result).Error; err != nil {
+	if err := query.Offset(offset).Limit(pageSize).Find(result).Error; err != nil {
 		return PaginationResponse{}, err
 	}
 
+	totalPages := (totalItems + int64(pageSize) - 1) / int64(pageSize)
+	if totalItems == 0 {
+		totalPages = 1
+	}
+
 	return PaginationResponse{
-		TotalPages:  (totalItems + int64(pageSize) - 1) / int64(pageSize),
+		TotalPages:   totalPages,
-		TotalItems:  totalItems,
+		TotalItems:   totalItems,
-		CurrentPage: page,
+		CurrentPage:  page,
+		ItemsPerPage: pageSize,
 	}, nil
 }

backend/internal/utils/string_util.go

@@ -5,6 +5,9 @@ import (
 	"fmt"
 	"math/big"
 	"net/url"
+	"regexp"
+	"strings"
+	"unicode"
 )
 
 // GenerateRandomAlphanumericString generates a random alphanumeric string of the given length
@@ -29,15 +32,44 @@ func GenerateRandomAlphanumericString(length int) (string, error) {
 	return string(result), nil
 }
 
-func GetHostFromURL(rawURL string) string {
+func GetHostnameFromURL(rawURL string) string {
 	parsedURL, err := url.Parse(rawURL)
 	if err != nil {
 		return ""
 	}
-	return parsedURL.Host
+	return parsedURL.Hostname()
 }
 
 // StringPointer creates a string pointer from a string value
 func StringPointer(s string) *string {
 	return &s
 }
+
+func CapitalizeFirstLetter(s string) string {
+	if s == "" {
+		return s
+	}
+	runes := []rune(s)
+	runes[0] = unicode.ToUpper(runes[0])
+	return string(runes)
+}
+
+func CamelCaseToSnakeCase(s string) string {
+	var result []rune
+	for i, r := range s {
+		if unicode.IsUpper(r) && i > 0 {
+			result = append(result, '_')
+		}
+		result = append(result, unicode.ToLower(r))
+	}
+	return string(result)
+}
+
+func CamelCaseToScreamingSnakeCase(s string) string {
+	// Insert underscores before uppercase letters (except the first one)
+	re := regexp.MustCompile(`([a-z0-9])([A-Z])`)
+	snake := re.ReplaceAllString(s, `${1}_${2}`)
+
+	// Convert to uppercase
+	return strings.ToUpper(snake)
+}

backend/internal/utils/time_util.go

@@ -1,8 +0,0 @@
-package utils
-
-import "time"
-
-func FormatDateForDb(time time.Time) string {
-	const layout = "2006-01-02 15:04:05.000-07:00"
-	return time.Format(layout)
-}

backend/resources/email-templates/components/email_html.tmpl

@@ -0,0 +1,14 @@
+{{ define "root" }}
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    {{ template "style" . }}
+</head>
+<body>
+    <div class="container">
+        {{ template "base" . }}
+    </div>
+</body>
+</html>
+{{ end }}

backend/resources/email-templates/components/email_text.tmpl

@@ -0,0 +1,7 @@
+{{- define "root" -}}
+{{- template "base" . -}}
+{{- end }}
+
+
+--
+This is automatically sent email from {{.AppName}}.