Fix unclosed socket errors

test/test_http_proxy.py

@@ -59,7 +59,9 @@ class HTTPProxyHandler(BaseHTTPRequestHandler, HTTPProxyAuthMixin):
         super().__init__(*args, **kwargs)
 
     def do_GET(self):
-        self.do_proxy_auth(self.username, self.password)
+        if not self.do_proxy_auth(self.username, self.password):
+            self.server.close_request(self.request)
+            return
         if self.path.endswith('/proxy_info'):
             payload = json.dumps(self.proxy_info or {
                 'client_address': self.client_address,
@@ -75,6 +77,11 @@ class HTTPProxyHandler(BaseHTTPRequestHandler, HTTPProxyAuthMixin):
             self.send_header('Content-Length', str(len(payload)))
             self.end_headers()
             self.wfile.write(payload.encode())
+        else:
+            self.send_response(404)
+            self.end_headers()
+
+        self.server.close_request(self.request)
 
 
 if urllib3:
@@ -135,7 +142,9 @@ class HTTPConnectProxyHandler(BaseHTTPRequestHandler, HTTPProxyAuthMixin):
         super().__init__(*args, **kwargs)
 
     def do_CONNECT(self):
-        self.do_proxy_auth(self.username, self.password)
+        if not self.do_proxy_auth(self.username, self.password):
+            self.server.close_request(self.request)
+            return
         self.send_response(200)
         self.end_headers()
         proxy_info = {
@@ -148,6 +157,7 @@ class HTTPConnectProxyHandler(BaseHTTPRequestHandler, HTTPProxyAuthMixin):
             'proxy': ':'.join(str(y) for y in self.connection.getsockname()),
         }
         self.request_handler(self.request, self.client_address, self.server, proxy_info=proxy_info)
+        self.server.close_request(self.request)
 
 
 class HTTPSConnectProxyHandler(HTTPConnectProxyHandler):
@@ -249,6 +259,7 @@ class TestHTTPProxy:
                 with pytest.raises(HTTPError) as exc_info:
                     ctx.proxy_info_request(rh)
                 assert exc_info.value.response.status == 407
+                exc_info.value.response.close()
 
     def test_http_source_address(self, handler, ctx):
         with ctx.http_server(HTTPProxyHandler) as server_address: