block subdomains of blocked hosts

1 files changed, 10 insertions, 3 deletions

diff --git a/qutebrowser/components/hostblock.py b/qutebrowser/components/hostblock.py
index 8a0174584..e19536744 100644
--- a/qutebrowser/components/hostblock.py
+++ b/qutebrowser/components/hostblock.py
@@ -37,6 +37,7 @@ from qutebrowser.api import (
     qtutils,
 )
 from qutebrowser.components.utils import blockutils
+from qutebrowser.config.configutils import _widened_hostnames
 from qutebrowser.utils import version  # FIXME: Move needed parts into api namespace?
 
 
@@ -124,10 +125,16 @@ class HostBlocker:
         if not config.get("content.blocking.enabled", url=first_party_url):
             return False
 
+        if blockutils.is_whitelisted_url(request_url):
+            return False
+
         host = request_url.host()
-        return (
-            host in self._blocked_hosts or host in self._config_blocked_hosts
-        ) and not blockutils.is_whitelisted_url(request_url)
+
+        for hostname in _widened_hostnames(host):
+            if hostname in self._blocked_hosts or hostname in self._config_blocked_hosts:
+                return True
+
+        return False
 
     def filter_request(self, info: interceptor.Request) -> None:
         """Block the given request if necessary."""