mirror of
https://github.com/tdlight-team/tdlight-telegram-bot-api.git
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117 lines
4.0 KiB
C++
117 lines
4.0 KiB
C++
//
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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2020
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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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#include "telegram-bot-api/HttpConnection.h"
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#include "telegram-bot-api/Query.h"
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#include "td/net/HttpHeaderCreator.h"
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#include "td/utils/common.h"
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#include "td/utils/JsonBuilder.h"
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#include "td/utils/logging.h"
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#include "td/utils/Parser.h"
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namespace telegram_bot_api {
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void HttpConnection::handle(td::unique_ptr<td::HttpQuery> http_query,
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td::ActorOwn<td::HttpInboundConnection> connection) {
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CHECK(connection_->empty());
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connection_ = std::move(connection);
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LOG(DEBUG) << "Handle " << *http_query;
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td::Parser url_path_parser(http_query->url_path_);
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if (url_path_parser.peek_char() != '/') {
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return send_http_error(404, "Not Found: absolute URI is specified in the Request-Line");
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}
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bool is_login = false;
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bool is_user = false;
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if (url_path_parser.try_skip("/bot")) {
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} else if (url_path_parser.try_skip("/userlogin")) {
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is_user = true;
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is_login = true;
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} else if (url_path_parser.try_skip("/user")) {
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is_user = true;
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} else {
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return send_http_error(404, "Not Found");
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}
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td::MutableSlice token;
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bool is_test_dc = false;
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td::MutableSlice method;
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if (!is_login) {
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token = url_path_parser.read_till('/');
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is_test_dc = false;
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if (url_path_parser.try_skip("/test")) {
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is_test_dc = true;
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}
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url_path_parser.skip('/');
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if (url_path_parser.status().is_error()) {
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return send_http_error(404, "Not Found");
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}
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method = url_path_parser.data();
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}
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auto query = std::make_unique<Query>(std::move(http_query->container_), token, is_user, is_test_dc, method,
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std::move(http_query->args_), std::move(http_query->headers_),
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std::move(http_query->files_), shared_data_, http_query->peer_address_);
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td::PromiseActor<td::unique_ptr<Query>> promise;
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td::FutureActor<td::unique_ptr<Query>> future;
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td::init_promise_future(&promise, &future);
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future.set_event(td::EventCreator::yield(actor_id()));
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auto promised_query = PromisedQueryPtr(query.release(), PromiseDeleter(std::move(promise)));
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if (is_login) {
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send_closure(client_manager_, &ClientManager::user_login, std::move(promised_query));
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} else {
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send_closure(client_manager_, &ClientManager::send, std::move(promised_query));
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}
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result_ = std::move(future);
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}
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void HttpConnection::wakeup() {
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if (result_.empty()) {
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return;
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}
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LOG_CHECK(result_.is_ok()) << result_.move_as_error();
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auto query = result_.move_as_ok();
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send_response(query->http_status_code(), std::move(query->answer()), query->retry_after());
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}
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void HttpConnection::send_response(int http_status_code, td::BufferSlice &&content, int retry_after) {
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td::HttpHeaderCreator hc;
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hc.init_status_line(http_status_code);
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hc.set_keep_alive();
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hc.set_content_type("application/json");
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if (retry_after > 0) {
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hc.add_header("Retry-After", PSLICE() << retry_after);
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}
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hc.set_content_size(content.size());
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auto r_header = hc.finish();
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LOG(DEBUG) << "Response headers: " << r_header.ok();
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if (r_header.is_error()) {
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LOG(ERROR) << "Bad response headers";
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send_closure(std::move(connection_), &td::HttpInboundConnection::write_error, r_header.move_as_error());
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return;
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}
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LOG(DEBUG) << "Send result: " << content;
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send_closure(connection_, &td::HttpInboundConnection::write_next_noflush, td::BufferSlice(r_header.ok()));
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send_closure(connection_, &td::HttpInboundConnection::write_next_noflush, std::move(content));
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send_closure(std::move(connection_), &td::HttpInboundConnection::write_ok);
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}
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void HttpConnection::send_http_error(int http_status_code, td::Slice description) {
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send_response(http_status_code, td::json_encode<td::BufferSlice>(JsonQueryError(http_status_code, description)), 0);
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}
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} // namespace telegram_bot_api
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