allow redirect /accounts/ to an external page (fixes #21770)

New setting is A2_ACCOUNTS_URL.

src/authentic2/app_settings.py

@@ -190,6 +190,7 @@ default_settings = dict(
     A2_SET_RANDOM_PASSWORD_ON_RESET=Setting(
         default=True,
         definition='Set a random password on request to reset the password from the front-office'),
+    A2_ACCOUNTS_URL=Setting(default=None, definition='IdP has no account page, redirect to this one.'),
 )
 
 app_settings = AppSettings(default_settings)

src/authentic2/views.py

@@ -370,6 +370,11 @@ homepage = Homepage.as_view()
 class ProfileView(cbv.TemplateNamesMixin, TemplateView):
     template_names = ['idp/account_management.html', 'authentic2/accounts.html']
 
+    def dispatch(self, request, *args, **kwargs):
+        if app_settings.A2_ACCOUNTS_URL:
+            return utils.redirect(request, app_settings.A2_ACCOUNTS_URL)
+        return super(ProfileView, self).dispatch(request, *args, **kwargs)
+
     def get_context_data(self, **kwargs):
         ctx = super(ProfileView, self).get_context_data(**kwargs)
         frontends = utils.get_backends('AUTH_FRONTENDS')

tests/test_views.py

@@ -35,3 +35,12 @@ def test_account_delete(app, simple_user):
 
 def test_login_invalid_next(app):
     app.get(reverse('auth_login') + '?next=plop')
+
+
+def test_custom_account(settings, app, simple_user):
+    response = login(app, simple_user, path=reverse('account_management'))
+    assert response.status_code == 200
+    settings.A2_ACCOUNTS_URL = 'http://combo/account/'
+    response = app.get(reverse('account_management'))
+    assert response.status_code == 302
+    assert response['Location'] == settings.A2_ACCOUNTS_URL