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/*
* Copyright (c) 2018-2021, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/ByteBuffer.h>
#include <AK/HashMap.h>
#include <AK/NonnullOwnPtr.h>
#include <AK/Optional.h>
#include <AK/OwnPtr.h>
#include <AK/String.h>
#include <AK/Types.h>
#include <LibHTTP/HttpRequest.h>
#include <RequestServer/ConnectionCache.h>
#include <RequestServer/ConnectionFromClient.h>
#include <RequestServer/Request.h>
namespace RequestServer::Detail {
template<typename TSelf, typename TJob>
void init(TSelf* self, TJob job)
{
job->on_headers_received = [self](auto& headers, auto response_code) {
if (response_code.has_value())
self->set_status_code(response_code.value());
self->set_response_headers(headers);
};
job->on_finish = [self](bool success) {
Core::deferred_invoke([url = self->job().url(), socket = self->job().socket()] {
ConnectionCache::request_did_finish(url, socket);
});
if (auto* response = self->job().response()) {
self->set_status_code(response->code());
self->set_response_headers(response->headers());
self->set_downloaded_size(response->downloaded_size());
}
// if we didn't know the total size, pretend that the request finished successfully
// and set the total size to the downloaded size
if (!self->total_size().has_value())
self->did_progress(self->downloaded_size(), self->downloaded_size());
self->did_finish(success);
};
job->on_progress = [self](Optional<u32> total, u32 current) {
self->did_progress(total, current);
};
if constexpr (requires { job->on_certificate_requested; }) {
job->on_certificate_requested = [job, self] {
self->did_request_certificates();
Core::EventLoop::current().spin_until([&] {
return job->received_client_certificates();
});
return job->take_client_certificates();
};
}
}
template<typename TBadgedProtocol, typename TPipeResult>
OwnPtr<Request> start_request(TBadgedProtocol&& protocol, ConnectionFromClient& client, String const& method, const URL& url, HashMap<String, String> const& headers, ReadonlyBytes body, TPipeResult&& pipe_result)
{
using TJob = typename TBadgedProtocol::Type::JobType;
using TRequest = typename TBadgedProtocol::Type::RequestType;
if (pipe_result.is_error()) {
return {};
}
HTTP::HttpRequest request;
if (method.equals_ignoring_case("post"))
request.set_method(HTTP::HttpRequest::Method::POST);
else
request.set_method(HTTP::HttpRequest::Method::GET);
request.set_url(url);
request.set_headers(headers);
auto allocated_body_result = ByteBuffer::copy(body);
if (allocated_body_result.is_error())
return {};
request.set_body(allocated_body_result.release_value());
auto output_stream = MUST(Core::Stream::File::adopt_fd(pipe_result.value().write_fd, Core::Stream::OpenMode::Write));
auto job = TJob::construct(move(request), *output_stream);
auto protocol_request = TRequest::create_with_job(forward<TBadgedProtocol>(protocol), client, (TJob&)*job, move(output_stream));
protocol_request->set_request_fd(pipe_result.value().read_fd);
if constexpr (IsSame<typename TBadgedProtocol::Type, HttpsProtocol>)
ConnectionCache::get_or_create_connection(ConnectionCache::g_tls_connection_cache, url, *job);
else
ConnectionCache::get_or_create_connection(ConnectionCache::g_tcp_connection_cache, url, *job);
return protocol_request;
}
}
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