Check DeniedInstallOrigin against hostname and not netloc (#18665)

src/olympia/versions/models.py

@@ -1191,7 +1191,7 @@ class DeniedInstallOrigin(ModelBase):
         denied = set()
         denied_install_origins = cls.objects.all()
         for origin in install_origins:
-            hostname = InstallOrigin.punycode(urlparse(origin).netloc)
+            hostname = InstallOrigin.punycode(urlparse(origin).hostname or '')
             for denied_origin in denied_install_origins:
                 if fnmatch(hostname, denied_origin.hostname_pattern) or (
                     denied_origin.include_subdomains

src/olympia/versions/tests/test_models.py

@@ -1987,6 +1987,12 @@ class TestDeniedInstallOrigin(TestCase):
             ['https://foo.com', 'https://examplé.com']
         ) == {'https://examplé.com'}
 
+    def test_find_denied_origins_with_port(self):
+        DeniedInstallOrigin.objects.create(hostname_pattern='example.com')
+        assert DeniedInstallOrigin.find_denied_origins(
+            ['https://foo.com', 'https://example.com:8888']
+        ) == {'https://example.com:8888'}
+
     def test_find_denied_origins_multiple_matches(self):
         DeniedInstallOrigin.objects.create(hostname_pattern='example.com')
         assert DeniedInstallOrigin.find_denied_origins(