68 lines
1.8 KiB
C++
68 lines
1.8 KiB
C++
//
|
|
// Copyright (c) 2016-2019 Vinnie Falco (vinnie dot falco at gmail dot com)
|
|
//
|
|
// Distributed under the Boost Software License, Version 1.0. (See accompanying
|
|
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
|
|
//
|
|
// Official repository: https://github.com/boostorg/beast
|
|
//
|
|
|
|
#ifndef BOOST_BEAST_WEBSOCKET_DETAIL_HYBI13_IPP
|
|
#define BOOST_BEAST_WEBSOCKET_DETAIL_HYBI13_IPP
|
|
|
|
#include <boost/beast/websocket/detail/hybi13.hpp>
|
|
#include <boost/beast/core/detail/sha1.hpp>
|
|
#include <boost/beast/websocket/detail/prng.hpp>
|
|
|
|
#include <boost/assert.hpp>
|
|
#include <cstdint>
|
|
#include <string>
|
|
|
|
namespace boost {
|
|
namespace beast {
|
|
namespace websocket {
|
|
namespace detail {
|
|
|
|
void
|
|
make_sec_ws_key(sec_ws_key_type& key)
|
|
{
|
|
auto g = make_prng(true);
|
|
char a[16];
|
|
for(int i = 0; i < 16; i += 4)
|
|
{
|
|
auto const v = g();
|
|
a[i ] = v & 0xff;
|
|
a[i+1] = (v >> 8) & 0xff;
|
|
a[i+2] = (v >> 16) & 0xff;
|
|
a[i+3] = (v >> 24) & 0xff;
|
|
}
|
|
key.resize(key.max_size());
|
|
key.resize(beast::detail::base64::encode(
|
|
key.data(), &a[0], 16));
|
|
}
|
|
|
|
void
|
|
make_sec_ws_accept(
|
|
sec_ws_accept_type& accept,
|
|
string_view key)
|
|
{
|
|
BOOST_ASSERT(key.size() <= sec_ws_key_type::max_size_n);
|
|
static_string<sec_ws_key_type::max_size_n + 36> m(key);
|
|
m.append("258EAFA5-E914-47DA-95CA-C5AB0DC85B11");
|
|
beast::detail::sha1_context ctx;
|
|
beast::detail::init(ctx);
|
|
beast::detail::update(ctx, m.data(), m.size());
|
|
char digest[beast::detail::sha1_context::digest_size];
|
|
beast::detail::finish(ctx, &digest[0]);
|
|
accept.resize(accept.max_size());
|
|
accept.resize(beast::detail::base64::encode(
|
|
accept.data(), &digest[0], sizeof(digest)));
|
|
}
|
|
|
|
} // detail
|
|
} // websocket
|
|
} // beast
|
|
} // boost
|
|
|
|
#endif // BOOST_BEAST_WEBSOCKET_DETAIL_HYBI13_IPP
|