| // Copyright 2019 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_WINHTTP_SCOPED_HINTERNET_H_ |
| #define COMPONENTS_WINHTTP_SCOPED_HINTERNET_H_ |
| |
| #include <windows.h> |
| #include <winhttp.h> |
| |
| #include "base/memory/ref_counted.h" |
| #include "base/scoped_generic.h" |
| |
| namespace winhttp { |
| |
| namespace internal { |
| |
| struct ScopedHInternetTraits { |
| static HINTERNET InvalidValue() { return nullptr; } |
| static void Free(HINTERNET handle) { |
| if (handle != InvalidValue()) { |
| WinHttpCloseHandle(handle); |
| } |
| } |
| }; |
| |
| } // namespace internal |
| |
| // Manages the lifetime of HINTERNET handles allocated by WinHTTP. |
| using ScopedHInternet = |
| base::ScopedGeneric<HINTERNET, internal::ScopedHInternetTraits>; |
| |
| // Creates a new WinHTTP session using the given user agent and properly |
| // configured for the Windows OS version. |
| ScopedHInternet CreateSessionHandle(const wchar_t* user_agent, |
| int proxy_access_type); |
| |
| // A WinHTTP handle which can be shared. A session handle is typically shared |
| // by network fetchers since the session maintains the authentication state |
| // and user-specific cookies. |
| class SharedHInternet : public base::RefCountedThreadSafe<SharedHInternet> { |
| public: |
| explicit SharedHInternet(ScopedHInternet handle); |
| |
| [[nodiscard]] HINTERNET handle() const { return handle_.get(); } |
| |
| private: |
| friend class base::RefCountedThreadSafe<SharedHInternet>; |
| ~SharedHInternet(); |
| |
| const ScopedHInternet handle_; |
| }; |
| |
| } // namespace winhttp |
| |
| #endif // COMPONENTS_WINHTTP_SCOPED_HINTERNET_H_ |