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- // Copyright 2021 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.
- #include "components/winhttp/scoped_hinternet.h"
- #include <versionhelpers.h>
- #include <windows.h>
- namespace winhttp {
- ScopedHInternet CreateSessionHandle(const wchar_t* user_agent,
- int proxy_access_type) {
- ScopedHInternet session_handle(
- ::WinHttpOpen(user_agent, proxy_access_type, WINHTTP_NO_PROXY_NAME,
- WINHTTP_NO_PROXY_BYPASS, WINHTTP_FLAG_ASYNC));
- // Allow TLS1.2 on Windows 7 and Windows 8. See KB3140245. TLS 1.2 is enabled
- // by default on Windows 8.1 and Windows 10.
- if (session_handle.is_valid() && ::IsWindows7OrGreater() &&
- !::IsWindows8Point1OrGreater()) {
- DWORD protocols = WINHTTP_FLAG_SECURE_PROTOCOL_TLS1 |
- WINHTTP_FLAG_SECURE_PROTOCOL_TLS1_1 |
- WINHTTP_FLAG_SECURE_PROTOCOL_TLS1_2;
- ::WinHttpSetOption(session_handle.get(), WINHTTP_OPTION_SECURE_PROTOCOLS,
- &protocols, sizeof(protocols));
- }
- return session_handle;
- }
- } // namespace winhttp
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