Solved oauth2 proxy configuration bugs

filter_plugins/configuration_filters.py

@@ -1,10 +1,43 @@
-def is_feature_enabled(applications, feature:str, application_id:str)->bool:
+def is_feature_enabled(applications, feature: str, application_id: str) -> bool:
+    """
+    Check if a generic feature is enabled for the given application.
+    """
     app = applications.get(application_id, {})
-    enabled = app.get('features', {}).get(feature, False)
-    return bool(enabled)
+    return bool(app.get('features', {}).get(feature, False))
+
+
+def get_csp_whitelist(applications, application_id: str, directive: str) -> list:
+    """
+    Return the list of extra hosts/URLs to whitelist for a given CSP directive.
+    """
+    app = applications.get(application_id, {})
+    wl = app.get('csp', {}).get('whitelist', {}).get(directive, [])
+    if isinstance(wl, list):
+        return wl
+    if wl:
+        return [wl]
+    return []
+
+
+def get_csp_flags(applications, application_id: str, directive: str) -> list:
+    """
+    Read 'unsafe_eval' and 'unsafe_inline' flags from csp.flags.<directive>.
+    Returns a list of string tokens, e.g. ["'unsafe-eval'", "'unsafe-inline'"].
+    """
+    app = applications.get(application_id, {})
+    flags_config = app.get('csp', {}).get('flags', {}).get(directive, {})
+    tokens = []
+    if flags_config.get('unsafe_eval', False):
+        tokens.append("'unsafe-eval'")
+    if flags_config.get('unsafe_inline', False):
+        tokens.append("'unsafe-inline'")
+    return tokens
+
 
 class FilterModule(object):
     def filters(self):
         return {
             'is_feature_enabled': is_feature_enabled,
+            'get_csp_whitelist':    get_csp_whitelist,
+            'get_csp_flags':        get_csp_flags,
         }

roles/nginx-docker-reverse-proxy/templates/headers/content_security_policy.conf.j2

@@ -1,53 +1,40 @@
+{# Initialize an array to collect each CSP directive line #}
 {%- set csp_parts = [] %}
 
-{# default-src: Fallback for all other directives if not explicitly defined #}
-{%- set csp_parts = csp_parts + ["default-src 'self';"] %}
+{# List of all directives to process dynamically (except img-src) #}
+{%- set directives = [
+     'default-src',
+     'connect-src',
+     'frame-ancestors',
+     'frame-src',
+     'script-src',
+     'style-src',
+     'font-src'
+   ] %}
 
-{# connect-src: Controls where fetch(), XHR, WebSocket etc. can connect to #}
-{%- set connect_src = "connect-src 'self' https://ka-f.fontawesome.com" %}
-{%- if applications | is_feature_enabled('matomo', application_id) | bool %}
-  {%- set connect_src = connect_src + " " + web_protocol + "://" + domains.matomo %}
-{%- endif %}
-{%- set csp_parts = csp_parts + [connect_src + ";"] %}
+{# Loop over each directive and build its value from 'self', any unsafe flags, and whitelisted URLs #}
+{%- for directive in directives %}
+  {# Start with the 'self' source #}
+  {%- set tokens = ["'self'"] %}
 
-{# frame-ancestors: Restricts which origins can embed this site in a frame or iframe #}
-{%- set frame_ancestors = "frame-ancestors 'self'" %}
-{%- if applications | is_feature_enabled('landing_page_iframe', application_id) | bool %}
-  {%- set frame_ancestors = frame_ancestors + " " + web_protocol + "://" + primary_domain %}
-{%- endif %}
-{%- set csp_parts = csp_parts + [frame_ancestors + ";"] %}
+  {# Add any unsafe flags (unsafe-eval, unsafe-inline) from csp.flags.<directive> #}
+  {%- for flag in applications | get_csp_flags(application_id, directive) %}
+    {%- set tokens = tokens + [flag] %}
+  {%- endfor %}
 
-{# frame-src: Controls which URLs can be embedded as iframes #}
-{%- set frame_src = "frame-src 'self'" %}
-{%- if applications | is_feature_enabled('recaptcha', application_id) | bool %}
-  {%- set frame_src = frame_src + " https://www.google.com" %}
-{%- endif %}
-{%- set csp_parts = csp_parts + [frame_src + ";"] %}
+  {# Add any extra hosts/URLs from csp.whitelist.<directive> #}
+  {%- for url in applications | get_csp_whitelist(application_id, directive) %}
+    {%- set tokens = tokens + [url] %}
+  {%- endfor %}
 
-{# img-src: Allow images. Prevent tracking by caching on server and client side. #}
-{%- set img_src = "img-src * data: blob:"%}
-{%- set csp_parts = csp_parts + [img_src + ";"] %}
+  {# Combine into a single directive line and append to csp_parts #}
+  {%- set csp_parts = csp_parts + [(directive ~ " " ~ (tokens | join(' ')) ~ ";")] %}
+{%- endfor %}
 
-{# script-src: Allow JavaScript from self, FontAwesome, jsDelivr, and Matomo if enabled #}
-{# unsafe eval is set for sphinx #}
-{%- set script_src = "script-src 'self' 'unsafe-eval' 'unsafe-inline'" %}
-{%- if applications | is_feature_enabled('matomo', application_id) | bool %}
-  {%- set script_src = script_src + " " + web_protocol + "://" + domains.matomo %}
-{%- endif %}
-{%- if applications | is_feature_enabled('recaptcha', application_id) | bool %}
-  {%- set script_src = script_src + " https://www.google.com" %}
-{%- endif %}
-{%- set script_src = script_src + " https://kit.fontawesome.com https://cdn.jsdelivr.net" %}
-{%- set csp_parts = csp_parts + [script_src + ";"] %}
-
-{# style-src: Allow CSS from self, FontAwesome, jsDelivr and inline styles #}
-{%- set style_src = "style-src 'self' 'unsafe-inline' https://kit.fontawesome.com https://cdn.jsdelivr.net" %}
-{%- set csp_parts = csp_parts + [style_src + ";"] %}
-
-{# font-src: Allow font-src from self, FontAwesome, jsDelivr and inline styles #}
-{%- set font_src = "font-src 'self' https://kit.fontawesome.com https://cdn.jsdelivr.net" %}
-{%- set csp_parts = csp_parts + [font_src + ";"] %}
+{# Preserve original img-src directive logic (do not loop) #}
+{%- set img_src = "img-src * data: blob:" %}
+{%- set csp_parts = csp_parts + [img_src ~ ";"] %}
 
+{# Emit the assembled Content-Security-Policy header and hide any upstream CSP header #}
 add_header Content-Security-Policy "{{ csp_parts | join(' ') }}" always;
-# Oppress header send by proxied application
 proxy_hide_header Content-Security-Policy;