// Copyright 2020 The Chromium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #ifndef COMPONENTS_WINHTTP_PROXY_CONFIGURATION_H_ #define COMPONENTS_WINHTTP_PROXY_CONFIGURATION_H_ #include #include #include "base/memory/ref_counted.h" #include "components/winhttp/proxy_info.h" #include "components/winhttp/scoped_winttp_proxy_info.h" #include "third_party/abseil-cpp/absl/types/optional.h" class GURL; namespace winhttp { // On Windows 8.1 and above, we can use Auto Proxy mode in WinHTTP and let // the OS configure the proxy. // This is represented by the AutoProxyConfiguration class. // When a proxy related policy is set or when using Windows 8 or below, // we'd set proxy manually using ProxyConfiguration class. // // Default WinHTTP proxy strategy - provide proxy server info to WinHTTP. // Used when policy is set or on Windows 8 and below. // This class can use either provided proxy information from the // IE Config or a policy policy setting or query per request proxy info // with WPAD (Web Proxy Auto Discovery). class ProxyConfiguration : public base::RefCounted { public: ProxyConfiguration() = default; explicit ProxyConfiguration(const ProxyInfo& proxy_info); ProxyConfiguration(const ProxyConfiguration&) = delete; ProxyConfiguration& operator=(const ProxyConfiguration&) = delete; int access_type() const; absl::optional GetProxyForUrl( HINTERNET session_handle, const GURL& url) const; protected: virtual ~ProxyConfiguration() = default; private: friend class base::RefCounted; virtual int DoGetAccessType() const; virtual absl::optional DoGetProxyForUrl( HINTERNET session_handle, const GURL& url) const; ProxyInfo proxy_info_; }; // Auto proxy strategy - let WinHTTP detect proxy settings. // This is only available on Windows 8.1 and above. class AutoProxyConfiguration final : public ProxyConfiguration { protected: ~AutoProxyConfiguration() override = default; private: // Overrides for ProxyConfiguration. int DoGetAccessType() const override; absl::optional DoGetProxyForUrl( HINTERNET session_handle, const GURL& url) const override; }; // Sets proxy info on a request handle, if WINHTTP_PROXY_INFO is provided. void SetProxyForRequest( const HINTERNET request_handle, const absl::optional& winhttp_proxy_info); } // namespace winhttp #endif // COMPONENTS_WINHTTP_PROXY_CONFIGURATION_H_