| 1 | // |
|---|---|
| 2 | // Copyright (c) 2016-2019 Vinnie Falco (vinnie dot falco at gmail dot com) |
| 3 | // |
| 4 | // Distributed under the Boost Software License, Version 1.0. (See accompanying |
| 5 | // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
| 6 | // |
| 7 | // Official repository: https://github.com/boostorg/beast |
| 8 | // |
| 9 | |
| 10 | #ifndef BOOST_BEAST_WEBSOCKET_IMPL_RFC6455_HPP |
| 11 | #define BOOST_BEAST_WEBSOCKET_IMPL_RFC6455_HPP |
| 12 | |
| 13 | #include <boost/beast/http/fields.hpp> |
| 14 | #include <boost/beast/http/rfc7230.hpp> |
| 15 | |
| 16 | namespace boost { |
| 17 | namespace beast { |
| 18 | namespace websocket { |
| 19 | |
| 20 | template<class Allocator> |
| 21 | bool |
| 22 | is_upgrade(http::header<true, |
| 23 | http::basic_fields<Allocator>> const& req) |
| 24 | { |
| 25 | if(req.version() < 11) |
| 26 | return false; |
| 27 | if(req.method() != http::verb::get) |
| 28 | return false; |
| 29 | if(! http::token_list{req[http::field::connection]}.exists(s: "upgrade")) |
| 30 | return false; |
| 31 | if(! http::token_list{req[http::field::upgrade]}.exists(s: "websocket")) |
| 32 | return false; |
| 33 | return true; |
| 34 | } |
| 35 | |
| 36 | } // websocket |
| 37 | } // beast |
| 38 | } // boost |
| 39 | |
| 40 | #endif |
| 41 |