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// Copyright 2025 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef NET_TEST_EMBEDDED_TEST_SERVER_HTTP_CONNECT_PROXY_HANDLER_H_
#define NET_TEST_EMBEDDED_TEST_SERVER_HTTP_CONNECT_PROXY_HANDLER_H_
#include <stdint.h>
#include <memory>
#include <optional>
#include <set>
#include "base/containers/unique_ptr_adapters.h"
#include "net/base/host_port_pair.h"
namespace net::test_server {
class HttpConnection;
struct HttpRequest;
// Helper for use by the EmbeddedTestServer to act as an HTTP proxy. Only
// supports HTTP/1.x CONNECT requests.
class HttpConnectProxyHandler {
public:
// Regardless of the requested destination, all requests are proxied to
// `dest_port` on 127.0.0.1. If provided, connections to destinations other
// than `expected_dest` result in test expectation failures.
HttpConnectProxyHandler(uint16_t dest_port,
std::optional<HostPortPair> expected_dest);
~HttpConnectProxyHandler();
// If `request` is not a CONNECT request, returns false. Otherwise, takes
// ownership of the socket owned by `connection`, validates the destination,
// connects to the real destination location, writes an HTTP success message
// to the original socket, and starts tunnelling data between the two sockets.
//
// Logs on connection failures, but does not fail the test.
//
// Only supports CONNECT requests. Non-CONNECT requests can be simulated
// without a proxy, if needed.
bool HandleProxyRequest(HttpConnection& connection,
const HttpRequest& request);
private:
class ConnectTunnel;
void DeleteTunnel(ConnectTunnel* tunnel);
const uint16_t dest_port_;
const std::optional<HostPortPair> expected_dest_;
std::set<std::unique_ptr<ConnectTunnel>, base::UniquePtrComparator>
connect_tunnels_;
};
} // namespace net::test_server
#endif // NET_TEST_EMBEDDED_TEST_SERVER_HTTP_CONNECT_PROXY_HANDLER_H_
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