fix(local-login): remove automatic plex linking and reduce logout log verbosity (#2225)

Removed redundant Plex user discovery logic that applies to all media servers currently. This is now
handled explicitly via linked accounts settings page. Also changed the successful logout log level
from info to debug since its routine behaviour

Author: fallenbagel

server/routes/auth.ts

@@ -626,76 +626,6 @@ authRoutes.post('/local', async (req, res, next) => {
       });
     }
 
-    const mainUser = await userRepository.findOneOrFail({
-      select: { id: true, plexToken: true, plexId: true },
-      where: { id: 1 },
-    });
-    const mainPlexTv = new PlexTvAPI(mainUser.plexToken ?? '');
-
-    if (!user.plexId) {
-      try {
-        const plexUsersResponse = await mainPlexTv.getUsers();
-        const account = plexUsersResponse.MediaContainer.User.find(
-          (account) =>
-            account.$.email &&
-            account.$.email.toLowerCase() === user.email.toLowerCase()
-        )?.$;
-
-        if (
-          account &&
-          (await mainPlexTv.checkUserAccess(parseInt(account.id)))
-        ) {
-          logger.info(
-            'Found matching Plex user; updating user with Plex data',
-            {
-              label: 'API',
-              ip: req.ip,
-              email: body.email,
-              userId: user.id,
-              plexId: account.id,
-              plexUsername: account.username,
-            }
-          );
-
-          user.plexId = parseInt(account.id);
-          user.avatar = account.thumb;
-          user.email = account.email;
-          user.plexUsername = account.username;
-          user.userType = UserType.PLEX;
-
-          await userRepository.save(user);
-        }
-      } catch (e) {
-        logger.error('Something went wrong fetching Plex users', {
-          label: 'API',
-          errorMessage: e.message,
-        });
-      }
-    }
-
-    if (
-      user.plexId &&
-      user.plexId !== mainUser.plexId &&
-      !(await mainPlexTv.checkUserAccess(user.plexId))
-    ) {
-      logger.warn(
-        'Failed sign-in attempt from Plex user without access to the media server',
-        {
-          label: 'API',
-          account: {
-            ip: req.ip,
-            email: body.email,
-            userId: user.id,
-            plexId: user.plexId,
-          },
-        }
-      );
-      return next({
-        status: 403,
-        message: 'Access denied.',
-      });
-    }
-
     // Set logged in session
     if (user && req.session) {
       req.session.userId = user.id;
@@ -775,7 +705,7 @@ authRoutes.post('/logout', async (req, res, next) => {
         });
         return next({ status: 500, message: 'Failed to destroy session.' });
       }
-      logger.info('Successfully logged out user', {
+      logger.debug('Successfully logged out user', {
         label: 'Auth',
         userId,
       });