Add a domain match filter (~d regex)

libmproxy/filt.py

@@ -182,6 +182,13 @@ class FMethod(_Rex):
         return bool(re.search(self.expr, f.request.method, re.IGNORECASE))
 
 
+class FDomain(_Rex):
+    code = "d"
+    help = "Domain"
+    def __call__(self, f):
+        return bool(re.search(self.expr, f.request.host, re.IGNORECASE))
+
+
 class FUrl(_Rex):
     code = "u"
     help = "URL"
@@ -260,6 +267,7 @@ filt_rex = [
     FBodResponse,
     FBod,
     FMethod,
+    FDomain,
     FUrl,
     FRequestContentType,
     FResponseContentType,

test/test_filt.py

@@ -195,6 +195,12 @@ class TestMatching:
         q.request.method = "oink"
         assert not self.q("~m get", q)
 
+    def test_domain(self):
+        q = self.req()
+        s = self.resp()
+        assert self.q("~d host", q)
+        assert not self.q("~d none", q)
+
     def test_url(self):
         q = self.req()
         s = self.resp()