/web-site bug fix, handle opted out users

fixes https://console.cloud.google.com/errors/detail/CN7a9KGAicelyAE;time=P30D?project=bridgy-federated

tests/test_web.py

@@ -2394,6 +2394,16 @@ http://this/404s
                          get_flashed_messages())
         self.assertEqual(1, Web.query().count())
 
+    def test_check_web_site_opted_out(self, _, __):
+        self.user.manual_opt_out = True
+        self.user.put()
+
+        got = self.post('/web-site', data={'url': 'user.com'})
+        self.assert_equals(400, got.status_code)
+        self.assertEqual(['user.com is not a valid or supported web site'],
+                         get_flashed_messages())
+        self.assertEqual(1, Web.query().count())
+
     def test_check_webfinger_redirects_then_fails(self, mock_get, _):
         redir = 'http://localhost/.well-known/webfinger?resource=acct:orig@orig'
         mock_get.side_effect = (

web.py

@@ -545,6 +545,8 @@ def enter_web_site():
 
 @app.post('/web-site')
 def check_web_site():
+    logger.info(f'Params: {list(request.form.items())}')
+
     url = request.values['url']
     # this normalizes and lower cases domain
     domain = util.domain_from_link(url, minimize=False)
@@ -554,6 +556,9 @@ def check_web_site():
 
     try:
         user = Web.get_or_create(domain, direct=True)
+        if not user:  # opted out
+            flash(f'{url} is not a valid or supported web site')
+            return render_template('enter_web_site.html'), 400
         user = user.verify()
     except BaseException as e:
         code, body = util.interpret_http_exception(e)