📧 feat: email verification (#2344)

* feat: verification email

* chore: email verification invalid; localize: update

* fix: redirect to login when signup: fix: save emailVerified correctly

* docs: update ALLOW_UNVERIFIED_EMAIL_LOGIN; fix: don't accept login only when ALLOW_UNVERIFIED_EMAIL_LOGIN = true

* fix: user needs to be authenticated

* style: update

* fix: registration success message and redirect logic

* refactor: use `isEnabled` in ALLOW_UNVERIFIED_EMAIL_LOGIN

* refactor: move checkEmailConfig to server/utils

* refactor: use req as param for verifyEmail function

* chore: jsdoc

* chore: remove console log

* refactor: rename `createNewUser` to `createSocialUser`

* refactor: update typing and add expiresAt field to userSchema

* refactor: begin use of user methods over direct model access for User

* refactor: initial email verification rewrite

* chore: typing

* refactor: registration flow rewrite

* chore: remove help center text

* refactor: update getUser to getUserById and add findUser methods. general fixes from recent changes

* refactor: Update updateUser method to remove expiresAt field and use $set and $unset operations, createUser now returns Id only

* refactor: Update openidStrategy to use optional chaining for avatar check, move saveBuffer init to buffer condition

* refactor: logout on deleteUser mutatation

* refactor: Update openidStrategy login success message format

* refactor: Add emailVerified field to Discord and Facebook profile details

* refactor: move limiters to separate middleware dir

* refactor: Add limiters for email verification and password reset

* refactor: Remove getUserController and update routes and controllers accordingly

* refactor: Update getUserById method to exclude password and version fields

* refactor: move verification to user route, add resend verification option

* refactor: Improve email verification process and resend option

* refactor: remove more direct model access of User and remove unused code

* refactor: replace user authentication methods and token generation

* fix: add user.id to jwt user

* refactor: Update AuthContext to include setError function, add resend link to Login Form, make registration redirect shorter

* fix(updateUserPluginsService): ensure userPlugins variable is defined

* refactor: Delete all shared links for a specific user

* fix: remove use of direct User.save() in handleExistingUser

* fix(importLibreChatConvo): handle missing createdAt field in messages

---------

Co-authored-by: Danny Avila <danny@librechat.ai>

api/server/controllers/UserController.js

@@ -1,14 +1,16 @@
 const {
-  User,
   Session,
   Balance,
   deleteFiles,
   deleteConvos,
   deletePresets,
   deleteMessages,
+  deleteUserById,
 } = require('~/models');
 const { updateUserPluginAuth, deleteUserPluginAuth } = require('~/server/services/PluginService');
 const { updateUserPluginsService, deleteUserKey } = require('~/server/services/UserService');
+const { verifyEmail, resendVerificationEmail } = require('~/server/services/AuthService');
+const { deleteAllSharedLinks } = require('~/models/Share');
 const { Transaction } = require('~/models/Transaction');
 const { logger } = require('~/config');
 
@@ -59,7 +61,7 @@ const updateUserPluginsController = async (req, res) => {
     res.status(200).send();
   } catch (err) {
     logger.error('[updateUserPluginsController]', err);
-    res.status(500).json({ message: err.message });
+    return res.status(500).json({ message: 'Something went wrong.' });
   }
 };
 
@@ -75,18 +77,50 @@ const deleteUserController = async (req, res) => {
     await deletePresets(user.id); // delete user presets
     await deleteConvos(user.id); // delete user convos
     await deleteUserPluginAuth(user.id, null, true); // delete user plugin auth
-    await User.deleteOne({ _id: user.id }); // delete user
+    await deleteUserById(user.id); // delete user
     await deleteFiles(null, user.id); // delete user files
+    await deleteAllSharedLinks(user.id); // delete user shared links
+    /* TODO: queue job for cleaning actions and assistants of non-existant users */
     logger.info(`User deleted account. Email: ${user.email} ID: ${user.id}`);
     res.status(200).send({ message: 'User deleted' });
   } catch (err) {
     logger.error('[deleteUserController]', err);
-    res.status(500).send({ message: err.message });
+    return res.status(500).json({ message: 'Something went wrong.' });
+  }
+};
+
+const verifyEmailController = async (req, res) => {
+  try {
+    const verifyEmailService = await verifyEmail(req);
+    if (verifyEmailService instanceof Error) {
+      return res.status(400).json(verifyEmailService);
+    } else {
+      return res.status(200).json(verifyEmailService);
+    }
+  } catch (e) {
+    logger.error('[verifyEmailController]', e);
+    return res.status(500).json({ message: 'Something went wrong.' });
+  }
+};
+
+const resendVerificationController = async (req, res) => {
+  try {
+    const result = await resendVerificationEmail(req);
+    if (result instanceof Error) {
+      return res.status(400).json(result);
+    } else {
+      return res.status(200).json(result);
+    }
+  } catch (e) {
+    logger.error('[verifyEmailController]', e);
+    return res.status(500).json({ message: 'Something went wrong.' });
   }
 };
 
 module.exports = {
   getUserController,
-  updateUserPluginsController,
   deleteUserController,
+  verifyEmailController,
+  updateUserPluginsController,
+  resendVerificationController,
 };