add auth timeout

Gemfile.lock

@@ -22,7 +22,7 @@ GIT
 
 GIT
   remote: git://github.com/travis-ci/travis-api.git
-  revision: 1e903129a31ab7785e17562740d0bfb69486e2f3
+  revision: 1a7a9daf4643abf6c954bf26c63816783ded9bda
   branch: sf-use-services
   specs:
     travis-api (0.0.1)

assets/javascripts/lib/travis/auth.coffee

@@ -30,6 +30,13 @@ $.extend Travis.Auth.prototype,
   trySignIn: ->
     @iframe.attr('src', "#{Travis.config.api_endpoint}/auth/post_message")
 
+  newUser: ->
+    url = "#{Travis.config.api_endpoint}/auth/handshake?redirect_uri=#{window.location}"
+    window.location = url
+
+  checkUser: ->
+    @newUser() unless Travis.config.access_token?
+
   signIn: ->
     @trySignIn()
-    # TODO: timeout for redirect goes here
+    window.setTimeout((=> @checkUser()), 15000)