catch invalid tokens

Author: thesubtlety

modules/exploits/multi/http/jenkins_script_console.rb

@@ -155,12 +155,15 @@ def exploit
     @crumb = nil
     if res.code != 200
        if datastore['API_TOKEN']
-          print_status('Authenticating and requesting crumb...')
+          print_status('Authenticating with token...')
           res = send_request_cgi({
             'method'    => 'GET',
             'uri'       => normalize_uri(@uri.path, "crumbIssuer/api/json"),
             'authorization' => basic_auth(datastore['USERNAME'], datastore['API_TOKEN'])
           })
+          if (res and res.code == 401)
+            fail_with(Failure::NoAccess, 'Login failed')
+          end
        else
           print_status('Logging in...')
           res = send_request_cgi({