Optimized CSP

filter_plugins/csp_filters.py

@@ -120,6 +120,16 @@ class FilterModule(object):
                 ):
                     tokens.append('https://www.google.com')
 
+                # Enable loading via ancestors
+                if (
+                    self.is_feature_enabled(applications, 'portfolio_iframe', application_id)
+                    and directive == 'frame-ancestors'
+                ):
+                    domain = domains.get(application_id)  # e.g. "sub.example.com" or "example.com"
+                    # Extract the second-level + top-level domain and prefix with "*."
+                    sld_tld = ".".join(domain.split(".")[-2:])  # yields "example.com"
+                    tokens.append(f"*.{sld_tld}")               # yields "*.example.com"
+
                 # whitelist
                 tokens += self.get_csp_whitelist(applications, application_id, directive)
 

roles/docker-keycloak/vars/configuration.yml

@@ -6,7 +6,7 @@ import_realm:         True                                # If True realm will b
 credentials:
 features:
   matomo:             true
-  css:                true
+  css:                false
   portfolio_iframe:   true
   ldap:               true
   central_database:   true

roles/docker-peertube/vars/configuration.yml

@@ -1,7 +1,7 @@
 version:              "bookworm"
 features:
   matomo:             true
-  css:                true
+  css:                false
   portfolio_iframe:   false
   central_database:   true
 csp:

roles/docker-pgadmin/vars/configuration.yml

@@ -13,3 +13,12 @@ features:
   portfolio_iframe:     false
   central_database:       true
   oauth2:                 true
+csp:
+  flags:
+    style-src:
+      unsafe-inline: true
+    script-src:
+      unsafe-inline: true
+  whitelist:
+    font-src:
+      - "data:"

roles/docker-phpmyadmin/vars/configuration.yml

@@ -10,3 +10,9 @@ features:
   central_database:   true
   oauth2:             true
 hostname:             central-mariadb
+csp:
+  flags:
+    style-src:
+      unsafe-inline: true
+    script-src:
+      unsafe-inline: true

tests/unit/test_csp_filters.py

@@ -167,5 +167,29 @@ class TestCspFilters(unittest.TestCase):
         )
         self.assertNotIn("https://www.google.com", header_disabled)
 
+    def test_build_csp_header_frame_ancestors(self):
+        """
+        frame-ancestors should include the wildcarded SLD+TLD when
+        'portfolio_iframe' is enabled, and omit it when disabled.
+        """
+        # Ensure feature enabled and domain set
+        self.apps['app1']['features']['portfolio_iframe'] = True
+        # simulate a subdomain for the application
+        self.domains['app1'] = 'sub.domain-example.com'
+        
+        header = self.filter.build_csp_header(self.apps, 'app1', self.domains, web_protocol='https')
+        # Expect '*.domain-example.com' in the frame-ancestors directive
+        self.assertRegex(
+            header,
+            r"frame-ancestors\s+'self'\s+\*\.domain-example\.com;"
+        )
+
+        # Now disable the feature and rebuild
+        self.apps['app1']['features']['portfolio_iframe'] = False
+        header_no = self.filter.build_csp_header(self.apps, 'app1', self.domains, web_protocol='https')
+        # Should no longer contain the wildcarded sld.tld
+        self.assertNotIn("*.domain-example.com", header_no)
+
+
 if __name__ == '__main__':
     unittest.main()