Add MISFIT_ERROR_REDIRECT setting.

misfitapp/defaults.py

@@ -10,8 +10,12 @@
 # removed.
 MISFIT_LOGOUT_REDIRECT = '/'
 
+# Where to redirect to if there is an error while authenticating a Misfit
+# user.
+MISFIT_ERROR_REDIRECT = None
+
 # The template to use when an unavoidable error occurs during Misfit
-# integration.
+# integration. This setting is ignored if MISFIT_ERROR_REDIRECT is set.
 MISFIT_ERROR_TEMPLATE = 'misfit/error.html'
 
 # The default message used by the misfit_integration_warning decorator to

misfitapp/tests/test_integration.py

@@ -163,6 +163,13 @@ def _get(self, use_token=True, use_verifier=True, use_limiting=False, **kwargs):
         return super(TestCompleteView, self)._get(get_kwargs=get_kwargs,
                                                   **kwargs)
 
+    def test_error_redirect(self):
+        """  Complete view should redirect to MISFIT_ERROR_REDIRECT if set. """
+        url = '/'
+        with patch('celery.app.task.Task.delay') as mock_delay:
+            with self.settings(MISFIT_ERROR_REDIRECT=url):
+                response = self._get(use_limiting=True)
+        self.assertRedirectsNoFollow(response, url)
 
 
     def test_ratelimiting(self):

misfitapp/views.py

@@ -54,7 +54,9 @@ def complete(request):
     After the user authorizes us, Misfit sends a callback to this URL to
     complete authentication.
 
-    If there was an error, the user is redirected again to the `error` view.
+    If there was an error, the user is redirected to the url set in
+    :ref:`MISFIT_ERROR_REDIRECT` if it is set, or to the `error` view
+    otherwise.
 
     If the authorization was successful, the credentials are stored for us to
     use later, and the user is redirected. If 'next_url' is in the request
@@ -74,7 +76,8 @@ def complete(request):
         misfit = utils.create_misfit(access_token)
         profile = misfit.profile()
     except:
-        return redirect(reverse('misfit-error'))
+        next_url = utils.get_setting('MISFIT_ERROR_REDIRECT') or reverse('misfit-error')
+        return redirect(next_url)
 
 
     user_updates = {'access_token': access_token,