prevent infinite loop with an invalid token

app/coffee/app.coffee

@@ -529,7 +529,10 @@ configure = ($routeProvider, $locationProvider, $httpProvider, $provide, $tgEven
                         .search("force_next", search.force_next)
                 else
                     $location.url($navUrls.resolve("login"))
-                        .search("next", nextUrl)
+                        .search({
+                            "unauthorized": true
+                            "next": nextUrl
+                        })
 
             return $q.reject(response)
 

app/coffee/modules/auth.coffee

@@ -32,10 +32,11 @@ class LoginPage
         'tgCurrentUserService',
         '$location',
         '$tgNavUrls',
-        '$routeParams'
+        '$routeParams',
+        '$tgAuth'
     ]
 
-    constructor: (currentUserService, $location, $navUrls, $routeParams) ->
+    constructor: (currentUserService, $location, $navUrls, $routeParams, $auth) ->
         if currentUserService.isAuthenticated()
             if not $routeParams['force_login']
                 url = $navUrls.resolve("home")
@@ -43,7 +44,11 @@ class LoginPage
                     url = decodeURIComponent($routeParams['next'])
                     $location.search('next', null)
 
-                $location.url(url)
+                if $routeParams['unauthorized']
+                    $auth.clear()
+                    $auth.removeToken()
+                else
+                    $location.url(url)
 
 
 module.controller('LoginPage', LoginPage)