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58 lines
1.4 KiB
C++
58 lines
1.4 KiB
C++
//
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// Copyright (c) 2013-2016 Vinnie Falco (vinnie dot falco at gmail dot com)
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#ifndef BEAST_WEBSOCKET_DETAIL_HYBI13_HPP
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#define BEAST_WEBSOCKET_DETAIL_HYBI13_HPP
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#include <beast/core/detail/base64.hpp>
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#include <beast/core/detail/sha1.hpp>
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#include <boost/utility/string_ref.hpp>
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#include <cstdint>
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#include <string>
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#include <type_traits>
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namespace beast {
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namespace websocket {
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namespace detail {
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template<class Gen>
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std::string
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make_sec_ws_key(Gen& g)
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{
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union U
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{
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std::array<std::uint32_t, 4> a4;
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std::array<std::uint8_t, 16> a16;
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};
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U u;
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for(int i = 0; i < 4; ++i)
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u.a4[i] = g();
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return beast::detail::base64_encode(u.a16.data(), u.a16.size());
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}
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template<class = void>
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std::string
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make_sec_ws_accept(boost::string_ref const& key)
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{
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std::string s(key.data(), key.size());
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s += "258EAFA5-E914-47DA-95CA-C5AB0DC85B11";
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beast::detail::sha1_context ctx;
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beast::detail::init(ctx);
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beast::detail::update(ctx, s.data(), s.size());
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std::array<std::uint8_t,
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beast::detail::sha1_context::digest_size> digest;
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beast::detail::finish(ctx, digest.data());
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return beast::detail::base64_encode(
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digest.data(), digest.size());
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}
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} // detail
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} // websocket
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} // beast
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#endif
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