From 3b8ad261699cbf30c01ffe150b614cd9740beac2 Mon Sep 17 00:00:00 2001
From: Maksim Eltyshev <meltyshev@gmail.com>
Date: Sun, 25 Jan 2026 20:17:13 +0100
Subject: [PATCH] feat: Add ability to pre-fill login credentials in demo mode

---
 .../src/components/common/Login/Content.jsx   | 26 +++++++++++++++----
 server/api/helpers/bootstrap/present-one.js   |  5 ++++
 2 files changed, 26 insertions(+), 5 deletions(-)

diff --git a/client/src/components/common/Login/Content.jsx b/client/src/components/common/Login/Content.jsx
index b73c2460..29d35963 100644
--- a/client/src/components/common/Login/Content.jsx
+++ b/client/src/components/common/Login/Content.jsx
@@ -102,11 +102,27 @@ const Content = React.memo(() => {
   const [t] = useTranslation();
   const wasSubmitting = usePrevious(isSubmitting);
 
-  const [data, handleFieldChange, setData] = useForm(() => ({
-    emailOrUsername: '',
-    password: '',
-    ...defaultData,
-  }));
+  const [data, handleFieldChange, setData] = useForm(() => {
+    const initialData = {
+      emailOrUsername: '',
+      password: '',
+      ...defaultData,
+    };
+
+    if (bootstrap.isDemoMode) {
+      const params = new URLSearchParams(window.location.hash.slice(1));
+
+      Object.keys(initialData).forEach((fieldName) => {
+        const value = params.get(fieldName);
+
+        if (value !== null) {
+          initialData[fieldName] = value;
+        }
+      });
+    }
+
+    return initialData;
+  });
 
   const message = useMemo(() => createMessage(error), [error]);
   const [focusPasswordFieldState, focusPasswordField] = useToggle();
diff --git a/server/api/helpers/bootstrap/present-one.js b/server/api/helpers/bootstrap/present-one.js
index eb75edfd..41b8eda6 100644
--- a/server/api/helpers/bootstrap/present-one.js
+++ b/server/api/helpers/bootstrap/present-one.js
@@ -24,6 +24,7 @@ module.exports = {
       oidc: inputs.oidc,
       version: sails.config.custom.version,
     };
+
     if (inputs.user && inputs.user.role === User.Roles.ADMIN) {
       Object.assign(data, {
         activeUsersLimit: inputs.internalConfig.activeUsersLimit,
@@ -31,6 +32,10 @@ module.exports = {
       });
     }
 
+    if (sails.config.custom.demoMode) {
+      data.isDemoMode = true;
+    }
+
     return data;
   },
 };