| /* |
| * nghttp2 - HTTP/2 C Library |
| * |
| * Copyright (c) 2015 Tatsuhiro Tsujikawa |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining |
| * a copy of this software and associated documentation files (the |
| * "Software"), to deal in the Software without restriction, including |
| * without limitation the rights to use, copy, modify, merge, publish, |
| * distribute, sublicense, and/or sell copies of the Software, and to |
| * permit persons to whom the Software is furnished to do so, subject to |
| * the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be |
| * included in all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE |
| * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
| * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
| * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| */ |
| #include "asio_server_request_handler.h" |
| |
| #include "util.h" |
| #include "http2.h" |
| |
| namespace nghttp2 { |
| namespace asio_http2 { |
| namespace server { |
| |
| namespace { |
| std::string create_html(int status_code) { |
| BlockAllocator balloc(1024, 1024); |
| std::string res; |
| res.reserve(512); |
| auto status_string = ::nghttp2::http2::stringify_status(balloc, status_code); |
| auto reason_phrase = ::nghttp2::http2::get_reason_phrase(status_code); |
| res += R"(<!DOCTYPE html><html lang="en"><title>)"; |
| res += status_string; |
| res += ' '; |
| res += reason_phrase; |
| res += "</title><body><h1>"; |
| res += status_string; |
| res += ' '; |
| res += reason_phrase; |
| res += "</h1></body></html>"; |
| return res; |
| } |
| } // namespace |
| |
| request_cb redirect_handler(int status_code, std::string uri) { |
| return [status_code, uri](const request &req, const response &res) { |
| header_map h; |
| h.emplace("location", header_value{std::move(uri)}); |
| std::string html; |
| if (req.method() == "GET") { |
| html = create_html(status_code); |
| } |
| h.emplace("content-length", header_value{util::utos(html.size())}); |
| |
| res.write_head(status_code, std::move(h)); |
| res.end(std::move(html)); |
| }; |
| } |
| |
| request_cb status_handler(int status_code) { |
| return [status_code](const request &req, const response &res) { |
| if (!::nghttp2::http2::expect_response_body(status_code)) { |
| res.write_head(status_code); |
| res.end(); |
| return; |
| } |
| // we supply content-length for HEAD request, but body will not be |
| // sent. |
| auto html = create_html(status_code); |
| header_map h; |
| h.emplace("content-length", header_value{util::utos(html.size())}); |
| h.emplace("content-type", header_value{"text/html; charset=utf-8"}); |
| |
| res.write_head(status_code, std::move(h)); |
| res.end(std::move(html)); |
| }; |
| } |
| |
| } // namespace server |
| } // namespace asio_http2 |
| } // namespace nghttp2 |
