ladybird/Userland/Services/WebServer/main.cpp
2022-01-27 09:56:24 +01:00

105 lines
3.5 KiB
C++

/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2021, Max Wipfli <mail@maxwipfli.ch>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibCore/ArgsParser.h>
#include <LibCore/EventLoop.h>
#include <LibCore/File.h>
#include <LibCore/MappedFile.h>
#include <LibCore/System.h>
#include <LibCore/TCPServer.h>
#include <LibHTTP/HttpRequest.h>
#include <LibMain/Main.h>
#include <WebServer/Client.h>
#include <WebServer/Configuration.h>
#include <stdio.h>
#include <unistd.h>
ErrorOr<int> serenity_main(Main::Arguments arguments)
{
String default_listen_address = "0.0.0.0";
u16 default_port = 8000;
String root_path = "/www";
String listen_address = default_listen_address;
int port = default_port;
String username;
String password;
Core::ArgsParser args_parser;
args_parser.add_option(listen_address, "IP address to listen on", "listen-address", 'l', "listen_address");
args_parser.add_option(port, "Port to listen on", "port", 'p', "port");
args_parser.add_option(username, "HTTP basic authentication username", "user", 'U', "username");
args_parser.add_option(password, "HTTP basic authentication password", "pass", 'P', "password");
args_parser.add_positional_argument(root_path, "Path to serve the contents of", "path", Core::ArgsParser::Required::No);
args_parser.parse(arguments);
auto ipv4_address = IPv4Address::from_string(listen_address);
if (!ipv4_address.has_value()) {
warnln("Invalid listen address: {}", listen_address);
return 1;
}
if ((u16)port != port) {
warnln("Invalid port number: {}", port);
return 1;
}
if (username.is_empty() != password.is_empty()) {
warnln("Both username and password are required for HTTP basic authentication.");
return 1;
}
auto real_root_path = Core::File::real_path_for(root_path);
if (!Core::File::exists(real_root_path)) {
warnln("Root path does not exist: '{}'", root_path);
return 1;
}
TRY(Core::System::pledge("stdio accept rpath inet unix"));
WebServer::Configuration configuration(real_root_path);
if (!username.is_empty() && !password.is_empty())
configuration.set_credentials(HTTP::HttpRequest::BasicAuthenticationCredentials { username, password });
Core::EventLoop loop;
auto server = TRY(Core::TCPServer::try_create());
server->on_ready_to_accept = [&] {
auto maybe_client_socket = server->accept();
if (maybe_client_socket.is_error()) {
warnln("Failed to accept the client: {}", maybe_client_socket.error());
return;
}
auto maybe_buffered_socket = Core::Stream::BufferedTCPSocket::create(maybe_client_socket.release_value());
if (maybe_buffered_socket.is_error()) {
warnln("Could not obtain a buffered socket for the client: {}", maybe_buffered_socket.error());
return;
}
// FIXME: Propagate errors
MUST(maybe_buffered_socket.value()->set_blocking(true));
auto client = WebServer::Client::construct(maybe_buffered_socket.release_value(), server);
client->start();
};
TRY(server->listen(ipv4_address.value(), port));
outln("Listening on {}:{}", ipv4_address.value(), port);
TRY(Core::System::unveil("/etc/timezone", "r"));
TRY(Core::System::unveil("/res/icons", "r"));
TRY(Core::System::unveil(real_root_path.characters(), "r"));
TRY(Core::System::unveil(nullptr, nullptr));
TRY(Core::System::pledge("stdio accept rpath"));
return loop.exec();
}