mirror of
https://github.com/RGBCube/serenity
synced 2025-05-14 07:44:59 +00:00
6dfb2f9dc8
This keeps the APIs separate as they are wildly different, a future improvement could be to somehow unify the APIs (if possible). Closes #23080.
268 lines
9.5 KiB
C++
268 lines
9.5 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/Badge.h>
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#include <AK/NonnullOwnPtr.h>
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#include <AK/RefCounted.h>
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#include <AK/Weakable.h>
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#include <LibCore/Proxy.h>
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#include <LibCore/Socket.h>
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#include <LibWebSocket/ConnectionInfo.h>
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#include <LibWebSocket/Message.h>
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#include <RequestServer/ConnectionFromClient.h>
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#include <RequestServer/Protocol.h>
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#include <RequestServer/Request.h>
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#include <RequestServer/RequestClientEndpoint.h>
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#include <netdb.h>
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namespace RequestServer {
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static HashMap<int, RefPtr<ConnectionFromClient>> s_connections;
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ConnectionFromClient::ConnectionFromClient(NonnullOwnPtr<Core::LocalSocket> socket)
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: IPC::ConnectionFromClient<RequestClientEndpoint, RequestServerEndpoint>(*this, move(socket), 1)
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{
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s_connections.set(1, *this);
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}
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void ConnectionFromClient::die()
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{
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s_connections.remove(client_id());
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if (s_connections.is_empty())
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Core::EventLoop::current().quit(0);
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}
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Messages::RequestServer::IsSupportedProtocolResponse ConnectionFromClient::is_supported_protocol(ByteString const& protocol)
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{
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bool supported = Protocol::find_by_name(protocol.to_lowercase());
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return supported;
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}
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void ConnectionFromClient::start_request(i32 request_id, ByteString const& method, URL const& url, HashMap<ByteString, ByteString> const& request_headers, ByteBuffer const& request_body, Core::ProxyData const& proxy_data)
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{
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if (!url.is_valid()) {
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dbgln("StartRequest: Invalid URL requested: '{}'", url);
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(void)post_message(Messages::RequestClient::RequestFinished(request_id, false, 0));
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return;
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}
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auto* protocol = Protocol::find_by_name(url.scheme().to_byte_string());
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if (!protocol) {
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dbgln("StartRequest: No protocol handler for URL: '{}'", url);
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(void)post_message(Messages::RequestClient::RequestFinished(request_id, false, 0));
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return;
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}
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auto request = protocol->start_request(request_id, *this, method, url, request_headers, request_body, proxy_data);
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if (!request) {
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dbgln("StartRequest: Protocol handler failed to start request: '{}'", url);
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(void)post_message(Messages::RequestClient::RequestFinished(request_id, false, 0));
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return;
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}
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auto id = request->id();
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auto fd = request->request_fd();
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m_requests.set(id, move(request));
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(void)post_message(Messages::RequestClient::RequestStarted(request_id, IPC::File(fd, IPC::File::CloseAfterSending)));
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}
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Messages::RequestServer::StopRequestResponse ConnectionFromClient::stop_request(i32 request_id)
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{
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auto* request = const_cast<Request*>(m_requests.get(request_id).value_or(nullptr));
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bool success = false;
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if (request) {
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request->stop();
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m_requests.remove(request_id);
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success = true;
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}
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return success;
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}
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void ConnectionFromClient::did_receive_headers(Badge<Request>, Request& request)
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{
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auto response_headers = request.response_headers().clone().release_value_but_fixme_should_propagate_errors();
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async_headers_became_available(request.id(), move(response_headers), request.status_code());
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}
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void ConnectionFromClient::did_finish_request(Badge<Request>, Request& request, bool success)
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{
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if (request.total_size().has_value())
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async_request_finished(request.id(), success, request.total_size().value());
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m_requests.remove(request.id());
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}
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void ConnectionFromClient::did_progress_request(Badge<Request>, Request& request)
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{
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async_request_progress(request.id(), request.total_size(), request.downloaded_size());
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}
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void ConnectionFromClient::did_request_certificates(Badge<Request>, Request& request)
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{
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async_certificate_requested(request.id());
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}
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Messages::RequestServer::SetCertificateResponse ConnectionFromClient::set_certificate(i32 request_id, ByteString const& certificate, ByteString const& key)
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{
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auto* request = const_cast<Request*>(m_requests.get(request_id).value_or(nullptr));
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bool success = false;
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if (request) {
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request->set_certificate(certificate, key);
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success = true;
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}
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return success;
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}
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class Job : public RefCounted<Job>
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, public Weakable<Job> {
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public:
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static NonnullRefPtr<Job> ensure(URL const& url)
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{
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RefPtr<Job> job;
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if (auto it = s_jobs.find(url); it != s_jobs.end())
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job = it->value.strong_ref();
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if (job == nullptr) {
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job = adopt_ref(*new Job(url));
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s_jobs.set(url, job);
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}
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return *job;
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}
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void start(Core::Socket& socket)
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{
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auto is_connected = socket.is_open();
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VERIFY(is_connected);
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ConnectionCache::request_did_finish(m_url, &socket);
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}
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void fail(Core::NetworkJob::Error error)
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{
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dbgln("Pre-connect to {} failed: {}", m_url, Core::to_string(error));
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}
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void will_be_destroyed() const
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{
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s_jobs.remove(m_url);
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}
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private:
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explicit Job(URL url)
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: m_url(move(url))
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{
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}
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URL m_url;
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inline static HashMap<URL, WeakPtr<Job>> s_jobs {};
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};
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void ConnectionFromClient::ensure_connection(URL const& url, ::RequestServer::CacheLevel const& cache_level)
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{
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if (!url.is_valid()) {
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dbgln("EnsureConnection: Invalid URL requested: '{}'", url);
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return;
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}
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if (cache_level == CacheLevel::ResolveOnly) {
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return Core::deferred_invoke([host = url.serialized_host().release_value_but_fixme_should_propagate_errors().to_byte_string()] {
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dbgln("EnsureConnection: DNS-preload for {}", host);
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auto resolved_host = Core::Socket::resolve_host(host, Core::Socket::SocketType::Stream);
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if (resolved_host.is_error())
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dbgln("EnsureConnection: DNS-preload failed for {}", host);
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});
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}
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auto job = Job::ensure(url);
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dbgln("EnsureConnection: Pre-connect to {}", url);
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auto do_preconnect = [&](auto& cache) {
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auto serialized_host = url.serialized_host().release_value_but_fixme_should_propagate_errors().to_byte_string();
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auto it = cache.find({ serialized_host, url.port_or_default() });
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if (it == cache.end() || it->value->is_empty())
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ConnectionCache::get_or_create_connection(cache, url, job);
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};
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if (url.scheme() == "http"sv)
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do_preconnect(ConnectionCache::g_tcp_connection_cache);
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else if (url.scheme() == "https"sv)
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do_preconnect(ConnectionCache::g_tls_connection_cache);
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else
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dbgln("EnsureConnection: Invalid URL scheme: '{}'", url.scheme());
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}
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static i32 s_next_websocket_id = 1;
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Messages::RequestServer::WebsocketConnectResponse ConnectionFromClient::websocket_connect(URL const& url, ByteString const& origin, Vector<ByteString> const& protocols, Vector<ByteString> const& extensions, HashMap<ByteString, ByteString> const& additional_request_headers)
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{
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if (!url.is_valid()) {
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dbgln("WebSocket::Connect: Invalid URL requested: '{}'", url);
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return -1;
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}
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WebSocket::ConnectionInfo connection_info(url);
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connection_info.set_origin(origin);
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connection_info.set_protocols(protocols);
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connection_info.set_extensions(extensions);
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Vector<WebSocket::ConnectionInfo::Header> headers;
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for (auto const& header : additional_request_headers) {
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headers.append({ header.key, header.value });
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}
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connection_info.set_headers(headers);
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auto id = ++s_next_websocket_id;
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auto connection = WebSocket::WebSocket::create(move(connection_info));
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connection->on_open = [this, id]() {
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async_websocket_connected(id);
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};
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connection->on_message = [this, id](auto message) {
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async_websocket_received(id, message.is_text(), message.data());
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};
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connection->on_error = [this, id](auto message) {
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async_websocket_errored(id, (i32)message);
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};
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connection->on_close = [this, id](u16 code, ByteString reason, bool was_clean) {
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async_websocket_closed(id, code, move(reason), was_clean);
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};
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connection->start();
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m_websockets.set(id, move(connection));
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return id;
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}
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Messages::RequestServer::WebsocketReadyStateResponse ConnectionFromClient::websocket_ready_state(i32 connection_id)
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{
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if (auto connection = m_websockets.get(connection_id).value_or({}))
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return (u32)connection->ready_state();
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return (u32)WebSocket::ReadyState::Closed;
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}
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Messages::RequestServer::WebsocketSubprotocolInUseResponse ConnectionFromClient::websocket_subprotocol_in_use(i32 connection_id)
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{
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if (auto connection = m_websockets.get(connection_id).value_or({}))
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return connection->subprotocol_in_use();
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return ByteString::empty();
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}
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void ConnectionFromClient::websocket_send(i32 connection_id, bool is_text, ByteBuffer const& data)
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{
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if (auto connection = m_websockets.get(connection_id).value_or({}); connection && connection->ready_state() == WebSocket::ReadyState::Open)
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connection->send(WebSocket::Message { data, is_text });
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}
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void ConnectionFromClient::websocket_close(i32 connection_id, u16 code, ByteString const& reason)
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{
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if (auto connection = m_websockets.get(connection_id).value_or({}); connection && connection->ready_state() == WebSocket::ReadyState::Open)
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connection->close(code, reason);
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}
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Messages::RequestServer::WebsocketSetCertificateResponse ConnectionFromClient::websocket_set_certificate(i32 connection_id, ByteString const&, ByteString const&)
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{
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auto success = false;
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if (auto connection = m_websockets.get(connection_id).value_or({}); connection) {
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// NO OP here
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// connection->set_certificate(certificate, key);
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success = true;
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}
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return success;
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}
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}
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