feat: api key authentication (#291)

Co-authored-by: Elias Schneider <login@eliasschneider.com>
2025-12-16 10:13:05 +03:00 · 2025-03-11 14:16:42 -05:00
parent 74ba8390f4
commit 62915d863a
58 changed files with 2172 additions and 190 deletions
--- a/backend/internal/controller/api_key_controller.go
+++ b/backend/internal/controller/api_key_controller.go
@@ -0,0 +1,125 @@
+package controller
+
+import (
+	"net/http"
+
+	"github.com/pocket-id/pocket-id/backend/internal/utils"
+
+	"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"
+)
+
+// swag init -g cmd/main.go -o ./docs/swagger --parseDependency
+
+// ApiKeyController manages API keys for authenticated users
+type ApiKeyController struct {
+	apiKeyService *service.ApiKeyService
+}
+
+// NewApiKeyController creates a new controller for API key management
+// @Summary API key management controller
+// @Description Initializes API endpoints for managing API keys
+// @Tags API Keys
+func NewApiKeyController(group *gin.RouterGroup, authMiddleware *middleware.AuthMiddleware, apiKeyService *service.ApiKeyService) {
+	uc := &ApiKeyController{apiKeyService: apiKeyService}
+
+	apiKeyGroup := group.Group("/api-keys")
+	apiKeyGroup.Use(authMiddleware.WithAdminNotRequired().Add())
+	{
+		apiKeyGroup.GET("", uc.listApiKeysHandler)
+		apiKeyGroup.POST("", uc.createApiKeyHandler)
+		apiKeyGroup.DELETE("/:id", uc.revokeApiKeyHandler)
+	}
+}
+
+// listApiKeysHandler godoc
+// @Summary List API keys
+// @Description Get a paginated list of API keys belonging to the current user
+// @Tags API Keys
+// @Param page query int false "Page number, starting from 1" default(1)
+// @Param limit query int false "Number of items per page" default(10)
+// @Param sort_column query string false "Column to sort by" default("created_at")
+// @Param sort_direction query string false "Sort direction (asc or desc)" default("desc")
+// @Success 200 {object} dto.Paginated[dto.ApiKeyDto]
+// @Router /api-keys [get]
+func (c *ApiKeyController) listApiKeysHandler(ctx *gin.Context) {
+	userID := ctx.GetString("userID")
+
+	var sortedPaginationRequest utils.SortedPaginationRequest
+	if err := ctx.ShouldBindQuery(&sortedPaginationRequest); err != nil {
+		ctx.Error(err)
+		return
+	}
+
+	apiKeys, pagination, err := c.apiKeyService.ListApiKeys(userID, sortedPaginationRequest)
+	if err != nil {
+		ctx.Error(err)
+		return
+	}
+
+	var apiKeysDto []dto.ApiKeyDto
+	if err := dto.MapStructList(apiKeys, &apiKeysDto); err != nil {
+		ctx.Error(err)
+		return
+	}
+
+	ctx.JSON(http.StatusOK, dto.Paginated[dto.ApiKeyDto]{
+		Data:       apiKeysDto,
+		Pagination: pagination,
+	})
+}
+
+// createApiKeyHandler godoc
+// @Summary Create API key
+// @Description Create a new API key for the current user
+// @Tags API Keys
+// @Param api_key body dto.ApiKeyCreateDto true "API key information"
+// @Success 201 {object} dto.ApiKeyResponseDto "Created API key with token"
+// @Router /api-keys [post]
+func (c *ApiKeyController) createApiKeyHandler(ctx *gin.Context) {
+	userID := ctx.GetString("userID")
+
+	var input dto.ApiKeyCreateDto
+	if err := ctx.ShouldBindJSON(&input); err != nil {
+		ctx.Error(err)
+		return
+	}
+
+	apiKey, token, err := c.apiKeyService.CreateApiKey(userID, input)
+	if err != nil {
+		ctx.Error(err)
+		return
+	}
+
+	var apiKeyDto dto.ApiKeyDto
+	if err := dto.MapStruct(apiKey, &apiKeyDto); err != nil {
+		ctx.Error(err)
+		return
+	}
+
+	ctx.JSON(http.StatusCreated, dto.ApiKeyResponseDto{
+		ApiKey: apiKeyDto,
+		Token:  token,
+	})
+}
+
+// revokeApiKeyHandler godoc
+// @Summary Revoke API key
+// @Description Revoke (delete) an existing API key by ID
+// @Tags API Keys
+// @Param id path string true "API Key ID"
+// @Success 204 "No Content"
+// @Router /api-keys/{id} [delete]
+func (c *ApiKeyController) revokeApiKeyHandler(ctx *gin.Context) {
+	userID := ctx.GetString("userID")
+	apiKeyID := ctx.Param("id")
+
+	if err := c.apiKeyService.RevokeApiKey(userID, apiKeyID); err != nil {
+		ctx.Error(err)
+		return
+	}
+
+	ctx.Status(http.StatusNoContent)
+}
--- a/backend/internal/controller/app_config_controller.go
+++ b/backend/internal/controller/app_config_controller.go
@@ -12,9 +12,13 @@ import (
 	"github.com/pocket-id/pocket-id/backend/internal/utils"
 )

+// NewAppConfigController creates a new controller for application configuration endpoints
+// @Summary Create a new application configuration controller
+// @Description Initialize routes for application configuration
+// @Tags Application Configuration
 func NewAppConfigController(
 	group *gin.RouterGroup,
-	jwtAuthMiddleware *middleware.JwtAuthMiddleware,
+	authMiddleware *middleware.AuthMiddleware,
 	appConfigService *service.AppConfigService,
 	emailService *service.EmailService,
 	ldapService *service.LdapService,
@@ -26,18 +30,18 @@ func NewAppConfigController(
 		ldapService:      ldapService,
 	}
 	group.GET("/application-configuration", acc.listAppConfigHandler)
-	group.GET("/application-configuration/all", jwtAuthMiddleware.Add(true), acc.listAllAppConfigHandler)
-	group.PUT("/application-configuration", jwtAuthMiddleware.Add(true), acc.updateAppConfigHandler)
+	group.GET("/application-configuration/all", authMiddleware.Add(), acc.listAllAppConfigHandler)
+	group.PUT("/application-configuration", authMiddleware.Add(), 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.PUT("/application-configuration/logo", authMiddleware.Add(), acc.updateLogoHandler)
+	group.PUT("/application-configuration/favicon", authMiddleware.Add(), acc.updateFaviconHandler)
+	group.PUT("/application-configuration/background-image", authMiddleware.Add(), acc.updateBackgroundImageHandler)

-	group.POST("/application-configuration/test-email", jwtAuthMiddleware.Add(true), acc.testEmailHandler)
-	group.POST("/application-configuration/sync-ldap", jwtAuthMiddleware.Add(true), acc.syncLdapHandler)
+	group.POST("/application-configuration/test-email", authMiddleware.Add(), acc.testEmailHandler)
+	group.POST("/application-configuration/sync-ldap", authMiddleware.Add(), acc.syncLdapHandler)
 }

 type AppConfigController struct {
@@ -46,6 +50,15 @@ type AppConfigController struct {
 	ldapService      *service.LdapService
 }

+// listAppConfigHandler godoc
+// @Summary List public application configurations
+// @Description Get all public application configurations
+// @Tags Application Configuration
+// @Accept json
+// @Produce json
+// @Success 200 {array} dto.PublicAppConfigVariableDto
+// @Failure 500 {object} object "{"error": "error message"}"
+// @Router /application-configuration [get]
 func (acc *AppConfigController) listAppConfigHandler(c *gin.Context) {
 	configuration, err := acc.appConfigService.ListAppConfig(false)
 	if err != nil {
@@ -62,6 +75,15 @@ func (acc *AppConfigController) listAppConfigHandler(c *gin.Context) {
 	c.JSON(200, configVariablesDto)
 }

+// listAllAppConfigHandler godoc
+// @Summary List all application configurations
+// @Description Get all application configurations including private ones
+// @Tags Application Configuration
+// @Accept json
+// @Produce json
+// @Success 200 {array} dto.AppConfigVariableDto
+// @Security BearerAuth
+// @Router /application-configuration/all [get]
 func (acc *AppConfigController) listAllAppConfigHandler(c *gin.Context) {
 	configuration, err := acc.appConfigService.ListAppConfig(true)
 	if err != nil {
@@ -78,6 +100,16 @@ func (acc *AppConfigController) listAllAppConfigHandler(c *gin.Context) {
 	c.JSON(200, configVariablesDto)
 }

+// updateAppConfigHandler godoc
+// @Summary Update application configurations
+// @Description Update application configuration settings
+// @Tags Application Configuration
+// @Accept json
+// @Produce json
+// @Param body body dto.AppConfigUpdateDto true "Application Configuration"
+// @Success 200 {array} dto.AppConfigVariableDto
+// @Security BearerAuth
+// @Router /application-configuration [put]
 func (acc *AppConfigController) updateAppConfigHandler(c *gin.Context) {
 	var input dto.AppConfigUpdateDto
 	if err := c.ShouldBindJSON(&input); err != nil {
@@ -100,6 +132,16 @@ func (acc *AppConfigController) updateAppConfigHandler(c *gin.Context) {
 	c.JSON(http.StatusOK, configVariablesDto)
 }

+// getLogoHandler godoc
+// @Summary Get logo image
+// @Description Get the logo image for the application
+// @Tags Application Configuration
+// @Param light query boolean false "Light mode logo (true) or dark mode logo (false)"
+// @Produce image/png
+// @Produce image/jpeg
+// @Produce image/svg+xml
+// @Success 200 {file} binary "Logo image"
+// @Router /application-configuration/logo [get]
 func (acc *AppConfigController) getLogoHandler(c *gin.Context) {
 	lightLogo := c.DefaultQuery("light", "true") == "true"

@@ -117,15 +159,42 @@ func (acc *AppConfigController) getLogoHandler(c *gin.Context) {
 	acc.getImage(c, imageName, imageType)
 }

+// getFaviconHandler godoc
+// @Summary Get favicon
+// @Description Get the favicon for the application
+// @Tags Application Configuration
+// @Produce image/x-icon
+// @Success 200 {file} binary "Favicon image"
+// @Failure 404 {object} object "{"error": "File not found"}"
+// @Router /application-configuration/favicon [get]
 func (acc *AppConfigController) getFaviconHandler(c *gin.Context) {
 	acc.getImage(c, "favicon", "ico")
 }

+// getBackgroundImageHandler godoc
+// @Summary Get background image
+// @Description Get the background image for the application
+// @Tags Application Configuration
+// @Produce image/png
+// @Produce image/jpeg
+// @Success 200 {file} binary "Background image"
+// @Failure 404 {object} object "{"error": "File not found"}"
+// @Router /application-configuration/background-image [get]
 func (acc *AppConfigController) getBackgroundImageHandler(c *gin.Context) {
 	imageType := acc.appConfigService.DbConfig.BackgroundImageType.Value
 	acc.getImage(c, "background", imageType)
 }

+// updateLogoHandler godoc
+// @Summary Update logo
+// @Description Update the application logo
+// @Tags Application Configuration
+// @Accept multipart/form-data
+// @Param light query boolean false "Light mode logo (true) or dark mode logo (false)"
+// @Param file formData file true "Logo image file"
+// @Success 204 "No Content"
+// @Security BearerAuth
+// @Router /application-configuration/logo [put]
 func (acc *AppConfigController) updateLogoHandler(c *gin.Context) {
 	lightLogo := c.DefaultQuery("light", "true") == "true"

@@ -143,6 +212,15 @@ func (acc *AppConfigController) updateLogoHandler(c *gin.Context) {
 	acc.updateImage(c, imageName, imageType)
 }

+// updateFaviconHandler godoc
+// @Summary Update favicon
+// @Description Update the application favicon
+// @Tags Application Configuration
+// @Accept multipart/form-data
+// @Param file formData file true "Favicon file (.ico)"
+// @Success 204 "No Content"
+// @Security BearerAuth
+// @Router /application-configuration/favicon [put]
 func (acc *AppConfigController) updateFaviconHandler(c *gin.Context) {
 	file, err := c.FormFile("file")
 	if err != nil {
@@ -158,11 +236,21 @@ func (acc *AppConfigController) updateFaviconHandler(c *gin.Context) {
 	acc.updateImage(c, "favicon", "ico")
 }

+// updateBackgroundImageHandler godoc
+// @Summary Update background image
+// @Description Update the application background image
+// @Tags Application Configuration
+// @Accept multipart/form-data
+// @Param file formData file true "Background image file"
+// @Success 204 "No Content"
+// @Security BearerAuth
+// @Router /application-configuration/background-image [put]
 func (acc *AppConfigController) updateBackgroundImageHandler(c *gin.Context) {
 	imageType := acc.appConfigService.DbConfig.BackgroundImageType.Value
 	acc.updateImage(c, "background", imageType)
 }

+// getImage is a helper function to serve image files
 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)
@@ -171,6 +259,7 @@ func (acc *AppConfigController) getImage(c *gin.Context, name string, imageType
 	c.File(imagePath)
 }

+// updateImage is a helper function to update image files
 func (acc *AppConfigController) updateImage(c *gin.Context, imageName string, oldImageType string) {
 	file, err := c.FormFile("file")
 	if err != nil {
@@ -187,6 +276,13 @@ func (acc *AppConfigController) updateImage(c *gin.Context, imageName string, ol
 	c.Status(http.StatusNoContent)
 }

+// syncLdapHandler godoc
+// @Summary Synchronize LDAP
+// @Description Manually trigger LDAP synchronization
+// @Tags Application Configuration
+// @Success 204 "No Content"
+// @Security BearerAuth
+// @Router /application-configuration/sync-ldap [post]
 func (acc *AppConfigController) syncLdapHandler(c *gin.Context) {
 	err := acc.ldapService.SyncAll()
 	if err != nil {
@@ -196,6 +292,14 @@ func (acc *AppConfigController) syncLdapHandler(c *gin.Context) {

 	c.Status(http.StatusNoContent)
 }
+
+// testEmailHandler godoc
+// @Summary Send test email
+// @Description Send a test email to verify email configuration
+// @Tags Application Configuration
+// @Success 204 "No Content"
+// @Security BearerAuth
+// @Router /application-configuration/test-email [post]
 func (acc *AppConfigController) testEmailHandler(c *gin.Context) {
 	userID := c.GetString("userID")

--- a/backend/internal/controller/audit_log_controller.go
+++ b/backend/internal/controller/audit_log_controller.go
@@ -11,18 +11,32 @@ import (
 	"github.com/pocket-id/pocket-id/backend/internal/service"
 )

-func NewAuditLogController(group *gin.RouterGroup, auditLogService *service.AuditLogService, jwtAuthMiddleware *middleware.JwtAuthMiddleware) {
+// NewAuditLogController creates a new controller for audit log management
+// @Summary Audit log controller
+// @Description Initializes API endpoints for accessing audit logs
+// @Tags Audit Logs
+func NewAuditLogController(group *gin.RouterGroup, auditLogService *service.AuditLogService, authMiddleware *middleware.AuthMiddleware) {
 	alc := AuditLogController{
 		auditLogService: auditLogService,
 	}

-	group.GET("/audit-logs", jwtAuthMiddleware.Add(false), alc.listAuditLogsForUserHandler)
+	group.GET("/audit-logs", authMiddleware.WithAdminNotRequired().Add(), alc.listAuditLogsForUserHandler)
 }

 type AuditLogController struct {
 	auditLogService *service.AuditLogService
 }

+// listAuditLogsForUserHandler godoc
+// @Summary List audit logs
+// @Description Get a paginated list of audit logs for the current user
+// @Tags Audit Logs
+// @Param page query int false "Page number, starting from 1" default(1)
+// @Param limit query int false "Number of items per page" default(10)
+// @Param sort_column query string false "Column to sort by" default("created_at")
+// @Param sort_direction query string false "Sort direction (asc or desc)" default("desc")
+// @Success 200 {object} dto.Paginated[dto.AuditLogDto]
+// @Router /audit-logs [get]
 func (alc *AuditLogController) listAuditLogsForUserHandler(c *gin.Context) {
 	var sortedPaginationRequest utils.SortedPaginationRequest
 	if err := c.ShouldBindQuery(&sortedPaginationRequest); err != nil {
@@ -53,8 +67,8 @@ func (alc *AuditLogController) listAuditLogsForUserHandler(c *gin.Context) {
 		logsDtos[i] = logsDto
 	}

-	c.JSON(http.StatusOK, gin.H{
-		"data":       logsDtos,
-		"pagination": pagination,
+	c.JSON(http.StatusOK, dto.Paginated[dto.AuditLogDto]{
+		Data:       logsDtos,
+		Pagination: pagination,
 	})
 }
--- a/backend/internal/controller/custom_claim_controller.go
+++ b/backend/internal/controller/custom_claim_controller.go
@@ -9,17 +9,37 @@ import (
 	"github.com/pocket-id/pocket-id/backend/internal/service"
 )

-func NewCustomClaimController(group *gin.RouterGroup, jwtAuthMiddleware *middleware.JwtAuthMiddleware, customClaimService *service.CustomClaimService) {
+// NewCustomClaimController creates a new controller for custom claim management
+// @Summary Custom claim management controller
+// @Description Initializes all custom claim-related API endpoints
+// @Tags Custom Claims
+func NewCustomClaimController(group *gin.RouterGroup, authMiddleware *middleware.AuthMiddleware, 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)
+
+	customClaimsGroup := group.Group("/custom-claims")
+	customClaimsGroup.Use(authMiddleware.Add())
+	{
+		customClaimsGroup.GET("/suggestions", wkc.getSuggestionsHandler)
+		customClaimsGroup.PUT("/user/:userId", wkc.UpdateCustomClaimsForUserHandler)
+		customClaimsGroup.PUT("/user-group/:userGroupId", wkc.UpdateCustomClaimsForUserGroupHandler)
+	}
 }

 type CustomClaimController struct {
 	customClaimService *service.CustomClaimService
 }

+// getSuggestionsHandler godoc
+// @Summary Get custom claim suggestions
+// @Description Get a list of suggested custom claim names
+// @Tags Custom Claims
+// @Produce json
+// @Success 200 {array} string "List of suggested custom claim names"
+// @Failure 401 {object} object "Unauthorized"
+// @Failure 403 {object} object "Forbidden"
+// @Failure 500 {object} object "Internal server error"
+// @Security BearerAuth
+// @Router /custom-claims/suggestions [get]
 func (ccc *CustomClaimController) getSuggestionsHandler(c *gin.Context) {
 	claims, err := ccc.customClaimService.GetSuggestions()
 	if err != nil {
@@ -30,6 +50,16 @@ func (ccc *CustomClaimController) getSuggestionsHandler(c *gin.Context) {
 	c.JSON(http.StatusOK, claims)
 }

+// UpdateCustomClaimsForUserHandler godoc
+// @Summary Update custom claims for a user
+// @Description Update or create custom claims for a specific user
+// @Tags Custom Claims
+// @Accept json
+// @Produce json
+// @Param userId path string true "User ID"
+// @Param claims body []dto.CustomClaimCreateDto true "List of custom claims to set for the user"
+// @Success 200 {array} dto.CustomClaimDto "Updated custom claims"
+// @Router /custom-claims/user/{userId} [put]
 func (ccc *CustomClaimController) UpdateCustomClaimsForUserHandler(c *gin.Context) {
 	var input []dto.CustomClaimCreateDto

@@ -54,6 +84,17 @@ func (ccc *CustomClaimController) UpdateCustomClaimsForUserHandler(c *gin.Contex
 	c.JSON(http.StatusOK, customClaimsDto)
 }

+// UpdateCustomClaimsForUserGroupHandler godoc
+// @Summary Update custom claims for a user group
+// @Description Update or create custom claims for a specific user group
+// @Tags Custom Claims
+// @Accept json
+// @Produce json
+// @Param userGroupId path string true "User Group ID"
+// @Param claims body []dto.CustomClaimCreateDto true "List of custom claims to set for the user group"
+// @Success 200 {array} dto.CustomClaimDto "Updated custom claims"
+// @Security BearerAuth
+// @Router /custom-claims/user-group/{userGroupId} [put]
 func (ccc *CustomClaimController) UpdateCustomClaimsForUserGroupHandler(c *gin.Context) {
 	var input []dto.CustomClaimCreateDto

@@ -62,8 +103,8 @@ func (ccc *CustomClaimController) UpdateCustomClaimsForUserGroupHandler(c *gin.C
 		return
 	}

-	userId := c.Param("userGroupId")
-	claims, err := ccc.customClaimService.UpdateCustomClaimsForUserGroup(userId, input)
+	userGroupId := c.Param("userGroupId")
+	claims, err := ccc.customClaimService.UpdateCustomClaimsForUserGroup(userGroupId, input)
 	if err != nil {
 		c.Error(err)
 		return
--- a/backend/internal/controller/oidc_controller.go
+++ b/backend/internal/controller/oidc_controller.go
@@ -1,13 +1,14 @@
 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/pocket-id/pocket-id/backend/internal/common"
+	"github.com/pocket-id/pocket-id/backend/internal/utils/cookie"
+
 	"github.com/gin-gonic/gin"
 	"github.com/pocket-id/pocket-id/backend/internal/dto"
 	"github.com/pocket-id/pocket-id/backend/internal/middleware"
@@ -15,30 +16,35 @@ import (
 	"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) {
+// NewOidcController creates a new controller for OIDC related endpoints
+// @Summary OIDC controller
+// @Description Initializes all OIDC-related API endpoints for authentication and client management
+// @Tags OIDC
+func NewOidcController(group *gin.RouterGroup, authMiddleware *middleware.AuthMiddleware, 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/authorize", authMiddleware.WithAdminNotRequired().Add(), oc.authorizeHandler)
+	group.POST("/oidc/authorization-required", authMiddleware.WithAdminNotRequired().Add(), oc.authorizationConfirmationRequiredHandler)

 	group.POST("/oidc/token", oc.createTokensHandler)
 	group.GET("/oidc/userinfo", oc.userInfoHandler)
 	group.POST("/oidc/userinfo", oc.userInfoHandler)
-	group.POST("/oidc/end-session", oc.EndSessionHandler)
-	group.GET("/oidc/end-session", oc.EndSessionHandler)
+	group.POST("/oidc/end-session", authMiddleware.WithSuccessOptional().Add(), oc.EndSessionHandler)
+	group.GET("/oidc/end-session", authMiddleware.WithSuccessOptional().Add(), 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.GET("/oidc/clients", authMiddleware.Add(), oc.listClientsHandler)
+	group.POST("/oidc/clients", authMiddleware.Add(), oc.createClientHandler)
+	group.GET("/oidc/clients/:id", authMiddleware.Add(), oc.getClientHandler)
+	group.GET("/oidc/clients/:id/meta", oc.getClientMetaDataHandler)
+	group.PUT("/oidc/clients/:id", authMiddleware.Add(), oc.updateClientHandler)
+	group.DELETE("/oidc/clients/:id", authMiddleware.Add(), 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.PUT("/oidc/clients/:id/allowed-user-groups", authMiddleware.Add(), oc.updateAllowedUserGroupsHandler)
+	group.POST("/oidc/clients/:id/secret", authMiddleware.Add(), 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)
+	group.POST("/oidc/clients/:id/logo", authMiddleware.Add(), fileSizeLimitMiddleware.Add(2<<20), oc.updateClientLogoHandler)
 }

 type OidcController struct {
@@ -46,6 +52,16 @@ type OidcController struct {
 	jwtService  *service.JwtService
 }

+// authorizeHandler godoc
+// @Summary Authorize OIDC client
+// @Description Start the OIDC authorization process for a client
+// @Tags OIDC
+// @Accept json
+// @Produce json
+// @Param request body dto.AuthorizeOidcClientRequestDto true "Authorization request parameters"
+// @Success 200 {object} dto.AuthorizeOidcClientResponseDto "Authorization code and callback URL"
+// @Security BearerAuth
+// @Router /oidc/authorize [post]
 func (oc *OidcController) authorizeHandler(c *gin.Context) {
 	var input dto.AuthorizeOidcClientRequestDto
 	if err := c.ShouldBindJSON(&input); err != nil {
@@ -67,6 +83,16 @@ func (oc *OidcController) authorizeHandler(c *gin.Context) {
 	c.JSON(http.StatusOK, response)
 }

+// authorizationConfirmationRequiredHandler godoc
+// @Summary Check if authorization confirmation is required
+// @Description Check if the user needs to confirm authorization for the client
+// @Tags OIDC
+// @Accept json
+// @Produce json
+// @Param request body dto.AuthorizationRequiredDto true "Authorization check parameters"
+// @Success 200 {object} object "{ \"authorizationRequired\": true/false }"
+// @Security BearerAuth
+// @Router /oidc/authorization-required [post]
 func (oc *OidcController) authorizationConfirmationRequiredHandler(c *gin.Context) {
 	var input dto.AuthorizationRequiredDto
 	if err := c.ShouldBindJSON(&input); err != nil {
@@ -83,6 +109,19 @@ func (oc *OidcController) authorizationConfirmationRequiredHandler(c *gin.Contex
 	c.JSON(http.StatusOK, gin.H{"authorizationRequired": !hasAuthorizedClient})
 }

+// createTokensHandler godoc
+// @Summary Create OIDC tokens
+// @Description Exchange authorization code for ID and access tokens
+// @Tags OIDC
+// @Accept application/x-www-form-urlencoded
+// @Produce json
+// @Param client_id formData string false "Client ID (if not using Basic Auth)"
+// @Param client_secret formData string false "Client secret (if not using Basic Auth)"
+// @Param code formData string true "Authorization code"
+// @Param grant_type formData string true "Grant type (must be 'authorization_code')"
+// @Param code_verifier formData string false "PKCE code verifier"
+// @Success 200 {object} object "{ \"id_token\": \"string\", \"access_token\": \"string\", \"token_type\": \"Bearer\" }"
+// @Router /oidc/token [post]
 func (oc *OidcController) createTokensHandler(c *gin.Context) {
 	// Disable cors for this endpoint
 	c.Writer.Header().Set("Access-Control-Allow-Origin", "*")
@@ -111,6 +150,15 @@ func (oc *OidcController) createTokensHandler(c *gin.Context) {
 	c.JSON(http.StatusOK, gin.H{"id_token": idToken, "access_token": accessToken, "token_type": "Bearer"})
 }

+// userInfoHandler godoc
+// @Summary Get user information
+// @Description Get user information based on the access token
+// @Tags OIDC
+// @Accept json
+// @Produce json
+// @Success 200 {object} object "User claims based on requested scopes"
+// @Security OAuth2AccessToken
+// @Router /oidc/userinfo [get]
 func (oc *OidcController) userInfoHandler(c *gin.Context) {
 	authHeaderSplit := strings.Split(c.GetHeader("Authorization"), " ")
 	if len(authHeaderSplit) != 2 {
@@ -136,6 +184,30 @@ func (oc *OidcController) userInfoHandler(c *gin.Context) {
 	c.JSON(http.StatusOK, claims)
 }

+// userInfoHandler godoc (POST method)
+// @Summary Get user information (POST method)
+// @Description Get user information based on the access token using POST
+// @Tags OIDC
+// @Accept json
+// @Produce json
+// @Success 200 {object} object "User claims based on requested scopes"
+// @Security OAuth2AccessToken
+// @Router /oidc/userinfo [post]
+func (oc *OidcController) userInfoHandlerPost(c *gin.Context) {
+	// Implementation is the same as GET
+}
+
+// EndSessionHandler godoc
+// @Summary End OIDC session
+// @Description End user session and handle OIDC logout
+// @Tags OIDC
+// @Accept application/x-www-form-urlencoded
+// @Produce html
+// @Param id_token_hint query string false "ID token"
+// @Param post_logout_redirect_uri query string false "URL to redirect to after logout"
+// @Param state query string false "State parameter to include in the redirect"
+// @Success 302 "Redirect to post-logout URL or application logout page"
+// @Router /oidc/end-session [get]
 func (oc *OidcController) EndSessionHandler(c *gin.Context) {
 	var input dto.OidcLogoutDto

@@ -174,6 +246,56 @@ func (oc *OidcController) EndSessionHandler(c *gin.Context) {
 	c.Redirect(http.StatusFound, logoutCallbackURL.String())
 }

+// EndSessionHandler godoc (POST method)
+// @Summary End OIDC session (POST method)
+// @Description End user session and handle OIDC logout using POST
+// @Tags OIDC
+// @Accept application/x-www-form-urlencoded
+// @Produce html
+// @Param id_token_hint formData string false "ID token"
+// @Param post_logout_redirect_uri formData string false "URL to redirect to after logout"
+// @Param state formData string false "State parameter to include in the redirect"
+// @Success 302 "Redirect to post-logout URL or application logout page"
+// @Router /oidc/end-session [post]
+func (oc *OidcController) EndSessionHandlerPost(c *gin.Context) {
+	// Implementation is the same as GET
+}
+
+// getClientMetaDataHandler godoc
+// @Summary Get client metadata
+// @Description Get OIDC client metadata for discovery and configuration
+// @Tags OIDC
+// @Produce json
+// @Param id path string true "Client ID"
+// @Success 200 {object} dto.OidcClientMetaDataDto "Client metadata"
+// @Router /oidc/clients/{id}/meta [get]
+func (oc *OidcController) getClientMetaDataHandler(c *gin.Context) {
+	clientId := c.Param("id")
+	client, err := oc.oidcService.GetClient(clientId)
+	if err != nil {
+		c.Error(err)
+		return
+	}
+
+	clientDto := dto.OidcClientMetaDataDto{}
+	err = dto.MapStruct(client, &clientDto)
+	if err == nil {
+		c.JSON(http.StatusOK, clientDto)
+		return
+	}
+
+	c.Error(err)
+}
+
+// getClientHandler godoc
+// @Summary Get OIDC client
+// @Description Get detailed information about an OIDC client
+// @Tags OIDC
+// @Produce json
+// @Param id path string true "Client ID"
+// @Success 200 {object} dto.OidcClientWithAllowedUserGroupsDto "Client information"
+// @Security BearerAuth
+// @Router /oidc/clients/{id} [get]
 func (oc *OidcController) getClientHandler(c *gin.Context) {
 	clientId := c.Param("id")
 	client, err := oc.oidcService.GetClient(clientId)
@@ -182,26 +304,28 @@ func (oc *OidcController) getClientHandler(c *gin.Context) {
 		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
-		}
+	clientDto := dto.OidcClientWithAllowedUserGroupsDto{}
+	err = dto.MapStruct(client, &clientDto)
+	if err == nil {
+		c.JSON(http.StatusOK, clientDto)
+		return
 	}

 	c.Error(err)
 }

+// listClientsHandler godoc
+// @Summary List OIDC clients
+// @Description Get a paginated list of OIDC clients with optional search and sorting
+// @Tags OIDC
+// @Param search query string false "Search term to filter clients by name"
+// @Param page query int false "Page number, starting from 1" default(1)
+// @Param limit query int false "Number of items per page" default(10)
+// @Param sort_column query string false "Column to sort by" default("name")
+// @Param sort_direction query string false "Sort direction (asc or desc)" default("asc")
+// @Success 200 {object} dto.Paginated[dto.OidcClientDto]
+// @Security BearerAuth
+// @Router /oidc/clients [get]
 func (oc *OidcController) listClientsHandler(c *gin.Context) {
 	searchTerm := c.Query("search")
 	var sortedPaginationRequest utils.SortedPaginationRequest
@@ -222,12 +346,22 @@ func (oc *OidcController) listClientsHandler(c *gin.Context) {
 		return
 	}

-	c.JSON(http.StatusOK, gin.H{
-		"data":       clientsDto,
-		"pagination": pagination,
+	c.JSON(http.StatusOK, dto.Paginated[dto.OidcClientDto]{
+		Data:       clientsDto,
+		Pagination: pagination,
 	})
 }

+// createClientHandler godoc
+// @Summary Create OIDC client
+// @Description Create a new OIDC client
+// @Tags OIDC
+// @Accept json
+// @Produce json
+// @Param client body dto.OidcClientCreateDto true "Client information"
+// @Success 201 {object} dto.OidcClientWithAllowedUserGroupsDto "Created client"
+// @Security BearerAuth
+// @Router /oidc/clients [post]
 func (oc *OidcController) createClientHandler(c *gin.Context) {
 	var input dto.OidcClientCreateDto
 	if err := c.ShouldBindJSON(&input); err != nil {
@@ -250,6 +384,14 @@ func (oc *OidcController) createClientHandler(c *gin.Context) {
 	c.JSON(http.StatusCreated, clientDto)
 }

+// deleteClientHandler godoc
+// @Summary Delete OIDC client
+// @Description Delete an OIDC client by ID
+// @Tags OIDC
+// @Param id path string true "Client ID"
+// @Success 204 "No Content"
+// @Security BearerAuth
+// @Router /oidc/clients/{id} [delete]
 func (oc *OidcController) deleteClientHandler(c *gin.Context) {
 	err := oc.oidcService.DeleteClient(c.Param("id"))
 	if err != nil {
@@ -260,6 +402,17 @@ func (oc *OidcController) deleteClientHandler(c *gin.Context) {
 	c.Status(http.StatusNoContent)
 }

+// updateClientHandler godoc
+// @Summary Update OIDC client
+// @Description Update an existing OIDC client
+// @Tags OIDC
+// @Accept json
+// @Produce json
+// @Param id path string true "Client ID"
+// @Param client body dto.OidcClientCreateDto true "Client information"
+// @Success 200 {object} dto.OidcClientWithAllowedUserGroupsDto "Updated client"
+// @Security BearerAuth
+// @Router /oidc/clients/{id} [put]
 func (oc *OidcController) updateClientHandler(c *gin.Context) {
 	var input dto.OidcClientCreateDto
 	if err := c.ShouldBindJSON(&input); err != nil {
@@ -282,6 +435,15 @@ func (oc *OidcController) updateClientHandler(c *gin.Context) {
 	c.JSON(http.StatusOK, clientDto)
 }

+// createClientSecretHandler godoc
+// @Summary Create client secret
+// @Description Generate a new secret for an OIDC client
+// @Tags OIDC
+// @Produce json
+// @Param id path string true "Client ID"
+// @Success 200 {object} object "{ \"secret\": \"string\" }"
+// @Security BearerAuth
+// @Router /oidc/clients/{id}/secret [post]
 func (oc *OidcController) createClientSecretHandler(c *gin.Context) {
 	secret, err := oc.oidcService.CreateClientSecret(c.Param("id"))
 	if err != nil {
@@ -292,6 +454,16 @@ func (oc *OidcController) createClientSecretHandler(c *gin.Context) {
 	c.JSON(http.StatusOK, gin.H{"secret": secret})
 }

+// getClientLogoHandler godoc
+// @Summary Get client logo
+// @Description Get the logo image for an OIDC client
+// @Tags OIDC
+// @Produce image/png
+// @Produce image/jpeg
+// @Produce image/svg+xml
+// @Param id path string true "Client ID"
+// @Success 200 {file} binary "Logo image"
+// @Router /oidc/clients/{id}/logo [get]
 func (oc *OidcController) getClientLogoHandler(c *gin.Context) {
 	imagePath, mimeType, err := oc.oidcService.GetClientLogo(c.Param("id"))
 	if err != nil {
@@ -303,6 +475,16 @@ func (oc *OidcController) getClientLogoHandler(c *gin.Context) {
 	c.File(imagePath)
 }

+// updateClientLogoHandler godoc
+// @Summary Update client logo
+// @Description Upload or update the logo for an OIDC client
+// @Tags OIDC
+// @Accept multipart/form-data
+// @Param id path string true "Client ID"
+// @Param file formData file true "Logo image file (PNG, JPG, or SVG, max 2MB)"
+// @Success 204 "No Content"
+// @Security BearerAuth
+// @Router /oidc/clients/{id}/logo [post]
 func (oc *OidcController) updateClientLogoHandler(c *gin.Context) {
 	file, err := c.FormFile("file")
 	if err != nil {
@@ -319,6 +501,14 @@ func (oc *OidcController) updateClientLogoHandler(c *gin.Context) {
 	c.Status(http.StatusNoContent)
 }

+// deleteClientLogoHandler godoc
+// @Summary Delete client logo
+// @Description Delete the logo for an OIDC client
+// @Tags OIDC
+// @Param id path string true "Client ID"
+// @Success 204 "No Content"
+// @Security BearerAuth
+// @Router /oidc/clients/{id}/logo [delete]
 func (oc *OidcController) deleteClientLogoHandler(c *gin.Context) {
 	err := oc.oidcService.DeleteClientLogo(c.Param("id"))
 	if err != nil {
@@ -329,6 +519,17 @@ func (oc *OidcController) deleteClientLogoHandler(c *gin.Context) {
 	c.Status(http.StatusNoContent)
 }

+// updateAllowedUserGroupsHandler godoc
+// @Summary Update allowed user groups
+// @Description Update the user groups allowed to access an OIDC client
+// @Tags OIDC
+// @Accept json
+// @Produce json
+// @Param id path string true "Client ID"
+// @Param groups body dto.OidcUpdateAllowedUserGroupsDto true "User group IDs"
+// @Success 200 {object} dto.OidcClientDto "Updated client"
+// @Security BearerAuth
+// @Router /oidc/clients/{id}/allowed-user-groups [put]
 func (oc *OidcController) updateAllowedUserGroupsHandler(c *gin.Context) {
 	var input dto.OidcUpdateAllowedUserGroupsDto
 	if err := c.ShouldBindJSON(&input); err != nil {
--- a/backend/internal/controller/user_controller.go
+++ b/backend/internal/controller/user_controller.go
@@ -16,30 +16,34 @@ import (
 	"golang.org/x/time/rate"
 )

-func NewUserController(group *gin.RouterGroup, jwtAuthMiddleware *middleware.JwtAuthMiddleware, rateLimitMiddleware *middleware.RateLimitMiddleware, userService *service.UserService, appConfigService *service.AppConfigService) {
+// NewUserController creates a new controller for user management endpoints
+// @Summary User management controller
+// @Description Initializes all user-related API endpoints
+// @Tags Users
+func NewUserController(group *gin.RouterGroup, authMiddleware *middleware.AuthMiddleware, 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.GET("/users/:id/groups", jwtAuthMiddleware.Add(true), uc.getUserGroupsHandler)
-	group.PUT("/users/me", jwtAuthMiddleware.Add(false), uc.updateCurrentUserHandler)
-	group.DELETE("/users/:id", jwtAuthMiddleware.Add(true), uc.deleteUserHandler)
+	group.GET("/users", authMiddleware.Add(), uc.listUsersHandler)
+	group.GET("/users/me", authMiddleware.WithAdminNotRequired().Add(), uc.getCurrentUserHandler)
+	group.GET("/users/:id", authMiddleware.Add(), uc.getUserHandler)
+	group.POST("/users", authMiddleware.Add(), uc.createUserHandler)
+	group.PUT("/users/:id", authMiddleware.Add(), uc.updateUserHandler)
+	group.GET("/users/:id/groups", authMiddleware.Add(), uc.getUserGroupsHandler)
+	group.PUT("/users/me", authMiddleware.WithAdminNotRequired().Add(), uc.updateCurrentUserHandler)
+	group.DELETE("/users/:id", authMiddleware.Add(), uc.deleteUserHandler)

-	group.PUT("/users/:id/user-groups", jwtAuthMiddleware.Add(true), uc.updateUserGroups)
+	group.PUT("/users/:id/user-groups", authMiddleware.Add(), uc.updateUserGroups)

 	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.updateCurrentUserProfilePictureHandler)
+	group.GET("/users/me/profile-picture.png", authMiddleware.WithAdminNotRequired().Add(), uc.getCurrentUserProfilePictureHandler)
+	group.PUT("/users/:id/profile-picture", authMiddleware.Add(), uc.updateUserProfilePictureHandler)
+	group.PUT("/users/me/profile-picture", authMiddleware.WithAdminNotRequired().Add(), uc.updateCurrentUserProfilePictureHandler)

-	group.POST("/users/me/one-time-access-token", jwtAuthMiddleware.Add(false), uc.createOwnOneTimeAccessTokenHandler)
-	group.POST("/users/:id/one-time-access-token", jwtAuthMiddleware.Add(true), uc.createAdminOneTimeAccessTokenHandler)
+	group.POST("/users/me/one-time-access-token", authMiddleware.WithAdminNotRequired().Add(), uc.createOwnOneTimeAccessTokenHandler)
+	group.POST("/users/:id/one-time-access-token", authMiddleware.Add(), uc.createAdminOneTimeAccessTokenHandler)
 	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)
@@ -50,6 +54,13 @@ type UserController struct {
 	appConfigService *service.AppConfigService
 }

+// getUserGroupsHandler godoc
+// @Summary Get user groups
+// @Description Retrieve all groups a specific user belongs to
+// @Tags Users,User Groups
+// @Param id path string true "User ID"
+// @Success 200 {array} dto.UserGroupDtoWithUsers
+// @Router /users/{id}/groups [get]
 func (uc *UserController) getUserGroupsHandler(c *gin.Context) {
 	userID := c.Param("id")
 	groups, err := uc.userService.GetUserGroups(userID)
@@ -67,6 +78,17 @@ func (uc *UserController) getUserGroupsHandler(c *gin.Context) {
 	c.JSON(http.StatusOK, groupsDto)
 }

+// listUsersHandler godoc
+// @Summary List users
+// @Description Get a paginated list of users with optional search and sorting
+// @Tags Users
+// @Param search query string false "Search term to filter users"
+// @Param page query int false "Page number, starting from 1" default(1)
+// @Param limit query int false "Number of items per page" default(10)
+// @Param sort_column query string false "Column to sort by" default("created_at")
+// @Param sort_direction query string false "Sort direction (asc or desc)" default("desc")
+// @Success 200 {object} dto.Paginated[dto.UserDto]
+// @Router /users [get]
 func (uc *UserController) listUsersHandler(c *gin.Context) {
 	searchTerm := c.Query("search")
 	var sortedPaginationRequest utils.SortedPaginationRequest
@@ -87,12 +109,19 @@ func (uc *UserController) listUsersHandler(c *gin.Context) {
 		return
 	}

-	c.JSON(http.StatusOK, gin.H{
-		"data":       usersDto,
-		"pagination": pagination,
+	c.JSON(http.StatusOK, dto.Paginated[dto.UserDto]{
+		Data:       usersDto,
+		Pagination: pagination,
 	})
 }

+// getUserHandler godoc
+// @Summary Get user by ID
+// @Description Retrieve detailed information about a specific user
+// @Tags Users
+// @Param id path string true "User ID"
+// @Success 200 {object} dto.UserDto
+// @Router /users/{id} [get]
 func (uc *UserController) getUserHandler(c *gin.Context) {
 	user, err := uc.userService.GetUser(c.Param("id"))
 	if err != nil {
@@ -109,6 +138,12 @@ func (uc *UserController) getUserHandler(c *gin.Context) {
 	c.JSON(http.StatusOK, userDto)
 }

+// getCurrentUserHandler godoc
+// @Summary Get current user
+// @Description Retrieve information about the currently authenticated user
+// @Tags Users
+// @Success 200 {object} dto.UserDto
+// @Router /users/me [get]
 func (uc *UserController) getCurrentUserHandler(c *gin.Context) {
 	user, err := uc.userService.GetUser(c.GetString("userID"))
 	if err != nil {
@@ -125,6 +160,13 @@ func (uc *UserController) getCurrentUserHandler(c *gin.Context) {
 	c.JSON(http.StatusOK, userDto)
 }

+// deleteUserHandler godoc
+// @Summary Delete user
+// @Description Delete a specific user by ID
+// @Tags Users
+// @Param id path string true "User ID"
+// @Success 204 "No Content"
+// @Router /users/{id} [delete]
 func (uc *UserController) deleteUserHandler(c *gin.Context) {
 	if err := uc.userService.DeleteUser(c.Param("id")); err != nil {
 		c.Error(err)
@@ -134,6 +176,13 @@ func (uc *UserController) deleteUserHandler(c *gin.Context) {
 	c.Status(http.StatusNoContent)
 }

+// createUserHandler godoc
+// @Summary Create user
+// @Description Create a new user
+// @Tags Users
+// @Param user body dto.UserCreateDto true "User information"
+// @Success 201 {object} dto.UserDto
+// @Router /users [post]
 func (uc *UserController) createUserHandler(c *gin.Context) {
 	var input dto.UserCreateDto
 	if err := c.ShouldBindJSON(&input); err != nil {
@@ -156,10 +205,25 @@ func (uc *UserController) createUserHandler(c *gin.Context) {
 	c.JSON(http.StatusCreated, userDto)
 }

+// updateUserHandler godoc
+// @Summary Update user
+// @Description Update an existing user by ID
+// @Tags Users
+// @Param id path string true "User ID"
+// @Param user body dto.UserCreateDto true "User information"
+// @Success 200 {object} dto.UserDto
+// @Router /users/{id} [put]
 func (uc *UserController) updateUserHandler(c *gin.Context) {
 	uc.updateUser(c, false)
 }

+// updateCurrentUserHandler godoc
+// @Summary Update current user
+// @Description Update the currently authenticated user's information
+// @Tags Users
+// @Param user body dto.UserCreateDto true "User information"
+// @Success 200 {object} dto.UserDto
+// @Router /users/me [put]
 func (uc *UserController) updateCurrentUserHandler(c *gin.Context) {
 	if uc.appConfigService.DbConfig.AllowOwnAccountEdit.Value != "true" {
 		c.Error(&common.AccountEditNotAllowedError{})
@@ -168,6 +232,14 @@ func (uc *UserController) updateCurrentUserHandler(c *gin.Context) {
 	uc.updateUser(c, true)
 }

+// getUserProfilePictureHandler godoc
+// @Summary Get user profile picture
+// @Description Retrieve a specific user's profile picture
+// @Tags Users
+// @Produce image/png
+// @Param id path string true "User ID"
+// @Success 200 {file} binary "PNG image"
+// @Router /users/{id}/profile-picture.png [get]
 func (uc *UserController) getUserProfilePictureHandler(c *gin.Context) {
 	userID := c.Param("id")

@@ -180,6 +252,13 @@ func (uc *UserController) getUserProfilePictureHandler(c *gin.Context) {
 	c.DataFromReader(http.StatusOK, size, "image/png", picture, nil)
 }

+// getCurrentUserProfilePictureHandler godoc
+// @Summary Get current user's profile picture
+// @Description Retrieve the currently authenticated user's profile picture
+// @Tags Users
+// @Produce image/png
+// @Success 200 {file} binary "PNG image"
+// @Router /users/me/profile-picture.png [get]
 func (uc *UserController) getCurrentUserProfilePictureHandler(c *gin.Context) {
 	userID := c.GetString("userID")

@@ -192,6 +271,16 @@ func (uc *UserController) getCurrentUserProfilePictureHandler(c *gin.Context) {
 	c.DataFromReader(http.StatusOK, size, "image/png", picture, nil)
 }

+// updateUserProfilePictureHandler godoc
+// @Summary Update user profile picture
+// @Description Update a specific user's profile picture
+// @Tags Users
+// @Accept multipart/form-data
+// @Produce json
+// @Param id path string true "User ID"
+// @Param file formData file true "Profile picture image file (PNG, JPG, or JPEG)"
+// @Success 204 "No Content"
+// @Router /users/{id}/profile-picture [put]
 func (uc *UserController) updateUserProfilePictureHandler(c *gin.Context) {
 	userID := c.Param("id")
 	fileHeader, err := c.FormFile("file")
@@ -214,6 +303,15 @@ func (uc *UserController) updateUserProfilePictureHandler(c *gin.Context) {
 	c.Status(http.StatusNoContent)
 }

+// updateCurrentUserProfilePictureHandler godoc
+// @Summary Update current user's profile picture
+// @Description Update the currently authenticated user's profile picture
+// @Tags Users
+// @Accept multipart/form-data
+// @Produce json
+// @Param file formData file true "Profile picture image file (PNG, JPG, or JPEG)"
+// @Success 204 "No Content"
+// @Router /users/me/profile-picture [put]
 func (uc *UserController) updateCurrentUserProfilePictureHandler(c *gin.Context) {
 	userID := c.GetString("userID")
 	fileHeader, err := c.FormFile("file")
@@ -255,6 +353,14 @@ func (uc *UserController) createOneTimeAccessTokenHandler(c *gin.Context, own bo
 	c.JSON(http.StatusCreated, gin.H{"token": token})
 }

+// createOwnOneTimeAccessTokenHandler godoc
+// @Summary Create one-time access token for current user
+// @Description Generate a one-time access token for the currently authenticated user
+// @Tags Users
+// @Param id path string true "User ID"
+// @Param body body dto.OneTimeAccessTokenCreateDto true "Token options"
+// @Success 201 {object} object "{ \"token\": \"string\" }"
+// @Router /users/{id}/one-time-access-token [post]
 func (uc *UserController) createOwnOneTimeAccessTokenHandler(c *gin.Context) {
 	uc.createOneTimeAccessTokenHandler(c, true)
 }
@@ -279,6 +385,13 @@ func (uc *UserController) requestOneTimeAccessEmailHandler(c *gin.Context) {
 	c.Status(http.StatusNoContent)
 }

+// exchangeOneTimeAccessTokenHandler godoc
+// @Summary Exchange one-time access token
+// @Description Exchange a one-time access token for a session token
+// @Tags Users
+// @Param token path string true "One-time access token"
+// @Success 200 {object} dto.UserDto
+// @Router /one-time-access-token/{token} [post]
 func (uc *UserController) exchangeOneTimeAccessTokenHandler(c *gin.Context) {
 	user, token, err := uc.userService.ExchangeOneTimeAccessToken(c.Param("token"), c.ClientIP(), c.Request.UserAgent())
 	if err != nil {
@@ -299,6 +412,12 @@ func (uc *UserController) exchangeOneTimeAccessTokenHandler(c *gin.Context) {
 	c.JSON(http.StatusOK, userDto)
 }

+// getSetupAccessTokenHandler godoc
+// @Summary Setup initial admin
+// @Description Generate setup access token for initial admin user configuration
+// @Tags Users
+// @Success 200 {object} dto.UserDto
+// @Router /one-time-access-token/setup [post]
 func (uc *UserController) getSetupAccessTokenHandler(c *gin.Context) {
 	user, token, err := uc.userService.SetupInitialAdmin()
 	if err != nil {
@@ -319,6 +438,37 @@ func (uc *UserController) getSetupAccessTokenHandler(c *gin.Context) {
 	c.JSON(http.StatusOK, userDto)
 }

+// updateUserGroups godoc
+// @Summary Update user groups
+// @Description Update the groups a specific user belongs to
+// @Tags Users
+// @Param id path string true "User ID"
+// @Param groups body dto.UserUpdateUserGroupDto true "User group IDs"
+// @Success 200 {object} dto.UserDto
+// @Router /users/{id}/user-groups [put]
+func (uc *UserController) updateUserGroups(c *gin.Context) {
+	var input dto.UserUpdateUserGroupDto
+	if err := c.ShouldBindJSON(&input); err != nil {
+		c.Error(err)
+		return
+	}
+
+	user, err := uc.userService.UpdateUserGroups(c.Param("id"), input.UserGroupIds)
+	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)
+}
+
+// updateUser is an internal helper method, not exposed as an API endpoint
 func (uc *UserController) updateUser(c *gin.Context, updateOwnUser bool) {
 	var input dto.UserCreateDto
 	if err := c.ShouldBindJSON(&input); err != nil {
@@ -347,25 +497,3 @@ func (uc *UserController) updateUser(c *gin.Context, updateOwnUser bool) {

 	c.JSON(http.StatusOK, userDto)
 }
-
-func (uc *UserController) updateUserGroups(c *gin.Context) {
-	var input dto.UserUpdateUserGroupDto
-	if err := c.ShouldBindJSON(&input); err != nil {
-		c.Error(err)
-		return
-	}
-
-	user, err := uc.userService.UpdateUserGroups(c.Param("id"), input.UserGroupIds)
-	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)
-}
--- a/backend/internal/controller/user_group_controller.go
+++ b/backend/internal/controller/user_group_controller.go
@@ -10,23 +10,42 @@ import (
 	"github.com/pocket-id/pocket-id/backend/internal/utils"
 )

-func NewUserGroupController(group *gin.RouterGroup, jwtAuthMiddleware *middleware.JwtAuthMiddleware, userGroupService *service.UserGroupService) {
+// NewUserGroupController creates a new controller for user group management
+// @Summary User group management controller
+// @Description Initializes all user group-related API endpoints
+// @Tags User Groups
+func NewUserGroupController(group *gin.RouterGroup, authMiddleware *middleware.AuthMiddleware, 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)
+	userGroupsGroup := group.Group("/user-groups")
+	userGroupsGroup.Use(authMiddleware.Add())
+	{
+		userGroupsGroup.GET("", ugc.list)
+		userGroupsGroup.GET("/:id", ugc.get)
+		userGroupsGroup.POST("", ugc.create)
+		userGroupsGroup.PUT("/:id", ugc.update)
+		userGroupsGroup.DELETE("/:id", ugc.delete)
+		userGroupsGroup.PUT("/:id/users", ugc.updateUsers)
+	}
 }

 type UserGroupController struct {
 	UserGroupService *service.UserGroupService
 }

+// list godoc
+// @Summary List user groups
+// @Description Get a paginated list of user groups with optional search and sorting
+// @Tags User Groups
+// @Param search query string false "Search term to filter user groups by name"
+// @Param page query int false "Page number, starting from 1" default(1)
+// @Param limit query int false "Number of items per page" default(10)
+// @Param sort_column query string false "Column to sort by" default("name")
+// @Param sort_direction query string false "Sort direction (asc or desc)" default("asc")
+// @Success 200 {object} dto.Paginated[dto.UserGroupDtoWithUserCount]
+// @Router /user-groups [get]
 func (ugc *UserGroupController) list(c *gin.Context) {
 	searchTerm := c.Query("search")
 	var sortedPaginationRequest utils.SortedPaginationRequest
@@ -41,7 +60,7 @@ func (ugc *UserGroupController) list(c *gin.Context) {
 		return
 	}

-	// Map the user groups to DTOs. The user count can't be mapped directly, so we have to do it manually.
+	// Map the user groups to DTOs
 	var groupsDto = make([]dto.UserGroupDtoWithUserCount, len(groups))
 	for i, group := range groups {
 		var groupDto dto.UserGroupDtoWithUserCount
@@ -57,12 +76,22 @@ func (ugc *UserGroupController) list(c *gin.Context) {
 		groupsDto[i] = groupDto
 	}

-	c.JSON(http.StatusOK, gin.H{
-		"data":       groupsDto,
-		"pagination": pagination,
+	c.JSON(http.StatusOK, dto.Paginated[dto.UserGroupDtoWithUserCount]{
+		Data:       groupsDto,
+		Pagination: pagination,
 	})
 }

+// get godoc
+// @Summary Get user group by ID
+// @Description Retrieve detailed information about a specific user group including its users
+// @Tags User Groups
+// @Accept json
+// @Produce json
+// @Param id path string true "User Group ID"
+// @Success 200 {object} dto.UserGroupDtoWithUsers
+// @Security BearerAuth
+// @Router /user-groups/{id} [get]
 func (ugc *UserGroupController) get(c *gin.Context) {
 	group, err := ugc.UserGroupService.Get(c.Param("id"))
 	if err != nil {
@@ -79,6 +108,16 @@ func (ugc *UserGroupController) get(c *gin.Context) {
 	c.JSON(http.StatusOK, groupDto)
 }

+// create godoc
+// @Summary Create user group
+// @Description Create a new user group
+// @Tags User Groups
+// @Accept json
+// @Produce json
+// @Param userGroup body dto.UserGroupCreateDto true "User group information"
+// @Success 201 {object} dto.UserGroupDtoWithUsers "Created user group"
+// @Security BearerAuth
+// @Router /user-groups [post]
 func (ugc *UserGroupController) create(c *gin.Context) {
 	var input dto.UserGroupCreateDto
 	if err := c.ShouldBindJSON(&input); err != nil {
@@ -101,6 +140,17 @@ func (ugc *UserGroupController) create(c *gin.Context) {
 	c.JSON(http.StatusCreated, groupDto)
 }

+// update godoc
+// @Summary Update user group
+// @Description Update an existing user group by ID
+// @Tags User Groups
+// @Accept json
+// @Produce json
+// @Param id path string true "User Group ID"
+// @Param userGroup body dto.UserGroupCreateDto true "User group information"
+// @Success 200 {object} dto.UserGroupDtoWithUsers "Updated user group"
+// @Security BearerAuth
+// @Router /user-groups/{id} [put]
 func (ugc *UserGroupController) update(c *gin.Context) {
 	var input dto.UserGroupCreateDto
 	if err := c.ShouldBindJSON(&input); err != nil {
@@ -123,6 +173,16 @@ func (ugc *UserGroupController) update(c *gin.Context) {
 	c.JSON(http.StatusOK, groupDto)
 }

+// delete godoc
+// @Summary Delete user group
+// @Description Delete a specific user group by ID
+// @Tags User Groups
+// @Accept json
+// @Produce json
+// @Param id path string true "User Group ID"
+// @Success 204 "No Content"
+// @Security BearerAuth
+// @Router /user-groups/{id} [delete]
 func (ugc *UserGroupController) delete(c *gin.Context) {
 	if err := ugc.UserGroupService.Delete(c.Param("id")); err != nil {
 		c.Error(err)
@@ -132,6 +192,17 @@ func (ugc *UserGroupController) delete(c *gin.Context) {
 	c.Status(http.StatusNoContent)
 }

+// updateUsers godoc
+// @Summary Update users in a group
+// @Description Update the list of users belonging to a specific user group
+// @Tags User Groups
+// @Accept json
+// @Produce json
+// @Param id path string true "User Group ID"
+// @Param users body dto.UserGroupUpdateUsersDto true "List of user IDs to assign to this group"
+// @Success 200 {object} dto.UserGroupDtoWithUsers
+// @Security BearerAuth
+// @Router /user-groups/{id}/users [put]
 func (ugc *UserGroupController) updateUsers(c *gin.Context) {
 	var input dto.UserGroupUpdateUsersDto
 	if err := c.ShouldBindJSON(&input); err != nil {
--- a/backend/internal/controller/webauthn_controller.go
+++ b/backend/internal/controller/webauthn_controller.go
@@ -16,19 +16,19 @@ import (
 	"golang.org/x/time/rate"
 )

-func NewWebauthnController(group *gin.RouterGroup, jwtAuthMiddleware *middleware.JwtAuthMiddleware, rateLimitMiddleware *middleware.RateLimitMiddleware, webauthnService *service.WebAuthnService, appConfigService *service.AppConfigService) {
+func NewWebauthnController(group *gin.RouterGroup, authMiddleware *middleware.AuthMiddleware, 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/register/start", authMiddleware.WithAdminNotRequired().Add(), wc.beginRegistrationHandler)
+	group.POST("/webauthn/register/finish", authMiddleware.WithAdminNotRequired().Add(), 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.POST("/webauthn/logout", authMiddleware.WithAdminNotRequired().Add(), 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)
+	group.GET("/webauthn/credentials", authMiddleware.WithAdminNotRequired().Add(), wc.listCredentialsHandler)
+	group.PATCH("/webauthn/credentials/:id", authMiddleware.WithAdminNotRequired().Add(), wc.updateCredentialHandler)
+	group.DELETE("/webauthn/credentials/:id", authMiddleware.WithAdminNotRequired().Add(), wc.deleteCredentialHandler)
 }

 type WebauthnController struct {
--- a/backend/internal/controller/well_known_controller.go
+++ b/backend/internal/controller/well_known_controller.go
@@ -8,6 +8,10 @@ import (
 	"github.com/pocket-id/pocket-id/backend/internal/service"
 )

+// NewWellKnownController creates a new controller for OIDC discovery endpoints
+// @Summary OIDC Discovery controller
+// @Description Initializes OIDC discovery and JWKS endpoints
+// @Tags Well Known
 func NewWellKnownController(group *gin.RouterGroup, jwtService *service.JwtService) {
 	wkc := &WellKnownController{jwtService: jwtService}
 	group.GET("/.well-known/jwks.json", wkc.jwksHandler)
@@ -18,6 +22,13 @@ type WellKnownController struct {
 	jwtService *service.JwtService
 }

+// jwksHandler godoc
+// @Summary Get JSON Web Key Set (JWKS)
+// @Description Returns the JSON Web Key Set used for token verification
+// @Tags Well Known
+// @Produce json
+// @Success 200 {object} object "{ \"keys\": []interface{} }"
+// @Router /.well-known/jwks.json [get]
 func (wkc *WellKnownController) jwksHandler(c *gin.Context) {
 	jwk, err := wkc.jwtService.GetJWK()
 	if err != nil {
@@ -28,6 +39,12 @@ func (wkc *WellKnownController) jwksHandler(c *gin.Context) {
 	c.JSON(http.StatusOK, gin.H{"keys": []interface{}{jwk}})
 }

+// openIDConfigurationHandler godoc
+// @Summary Get OpenID Connect discovery configuration
+// @Description Returns the OpenID Connect discovery document with endpoints and capabilities
+// @Tags Well Known
+// @Success 200 {object} object "OpenID Connect configuration"
+// @Router /.well-known/openid-configuration [get]
 func (wkc *WellKnownController) openIDConfigurationHandler(c *gin.Context) {
 	appUrl := common.EnvConfig.AppURL
 	config := map[string]interface{}{