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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 COMPONENTS_CRONET_CRONET_PROXY_DELEGATE_H_
#define COMPONENTS_CRONET_CRONET_PROXY_DELEGATE_H_
#include "base/types/expected.h"
#include "components/cronet/cronet_context.h"
#include "components/cronet/proto/request_context_config.pb.h"
#include "net/base/completion_once_callback.h"
#include "net/base/net_errors.h"
#include "net/base/proxy_delegate.h"
namespace cronet {
// Implements org.chromium.net.ProxyOptions by implementing a custom
// net::ProxyDelegate.
class CronetProxyDelegate final : public net::ProxyDelegate {
public:
// `proxy_config` represent the native view of org.chromium.net.ProxyOptions.
// `network_tasks` is used to redirect callbacks to the `CronetContext` that
// created this, it must outlive this class.
CronetProxyDelegate(cronet::proto::ProxyOptions proxy_config,
CronetContext::NetworkTasks* network_tasks);
~CronetProxyDelegate() override;
CronetProxyDelegate(const CronetProxyDelegate&) = delete;
CronetProxyDelegate& operator=(const CronetProxyDelegate&) = delete;
// net::ProxyDelegate implementation:
void OnResolveProxy(
const GURL& url,
const net::NetworkAnonymizationKey& network_anonymization_key,
const std::string& method,
const net::ProxyRetryInfoMap& proxy_retry_info,
net::ProxyInfo* result) override;
void OnFallback(const net::ProxyChain& bad_chain, int net_error) override;
void OnSuccessfulRequestAfterFailures(
const net::ProxyRetryInfoMap& proxy_retry_info) override;
base::expected<net::HttpRequestHeaders, net::Error> OnBeforeTunnelRequest(
const net::ProxyChain& proxy_chain,
size_t chain_index,
OnBeforeTunnelRequestCallback callback) override;
net::Error OnTunnelHeadersReceived(
const net::ProxyChain& proxy_chain,
size_t chain_index,
const net::HttpResponseHeaders& response_headers,
net::CompletionOnceCallback callback) override;
void SetProxyResolutionService(
net::ProxyResolutionService* proxy_resolution_service) override;
bool AliasRequiresProxyOverride(
const std::string scheme,
const std::vector<std::string>& dns_aliases,
const net::NetworkAnonymizationKey& network_anonymization_key) override;
private:
const cronet::proto::ProxyOptions proxy_options_;
const raw_ptr<CronetContext::NetworkTasks> network_tasks_;
};
} // namespace cronet
#endif // COMPONENTS_CRONET_CRONET_PROXY_DELEGATE_H_
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