fix(router): add SSL exemption for Tor hidden services

samples/httpaste.it/docker-compose.yml

@@ -38,6 +38,6 @@ services:
             dockerfile: Dockerfile
         volumes:
             - ./tor/etc/tor/torrc:/etc/tor/torrc
-            - ./tor/var/lib/tor/hidden_service:./tor/var/lib/tor/hidden_service
+            - ./tor/var/lib/tor/hidden_service:/tor/var/lib/tor/hidden_service
 volumes:
     system-shared:

src/httpaste/__init__.py

@@ -247,7 +247,7 @@ def get_flask_app(config: Config) -> FlaskApp:
 
             https_url = url_upgrade_to_https(request.url, config.server.ssl_port)
 
-            if https_url != request.url:
+            if https_url != request.url and not url_has_tld(request._view, 'onion'):
 
                 request._view['before_request__ssl_url'] = https_url
 

src/httpaste/helper/url.py

@@ -38,3 +38,17 @@ def url_upgrade_to_https(url: str, port: Optional[int] = 443):
         urlcomps = urlcomps._replace(netloc=netloc)
 
     return urlcomps.geturl()
+
+
+def url_has_tld(url:str, tld:str):
+
+    urlcomps = urlparse(url)
+
+    hostname = urlcomps.netloc.rsplit(':', 1)[0]
+
+    hostname_levels = hostname.rsplit('.', 1)
+
+    if len(hostname_levels) > 1 and hostname_levels[-1:][0] == tld:
+        return True
+
+    return False