jcs.org
Serenity Operating System
1/*
2 * Copyright (c) 2022, Florent Castelli <florent.castelli@gmail.com>
3 *
4 * SPDX-License-Identifier: BSD-2-Clause
5 */
6
7#include <LibCore/ArgsParser.h>
8#include <LibCore/Directory.h>
9#include <LibCore/EventLoop.h>
10#include <LibCore/StandardPaths.h>
11#include <LibCore/System.h>
12#include <LibCore/TCPServer.h>
13#include <LibMain/Main.h>
14#include <WebDriver/Client.h>
15
16static ErrorOr<pid_t> launch_browser(DeprecatedString const& socket_path)
17{
18 char const* argv[] = {
19 "/bin/Browser",
20 "--webdriver-content-path",
21 socket_path.characters(),
22 nullptr,
23 };
24
25 return Core::System::posix_spawn("/bin/Browser"sv, nullptr, nullptr, const_cast<char**>(argv), environ);
26}
27
28static ErrorOr<pid_t> launch_headless_browser(DeprecatedString const& socket_path)
29{
30 char const* argv[] = {
31 "/bin/headless-browser",
32 "--webdriver-ipc-path",
33 socket_path.characters(),
34 "about:blank",
35 nullptr,
36 };
37
38 return Core::System::posix_spawn("/bin/headless-browser"sv, nullptr, nullptr, const_cast<char**>(argv), environ);
39}
40
41ErrorOr<int> serenity_main(Main::Arguments arguments)
42{
43 DeprecatedString default_listen_address = "0.0.0.0";
44 u16 default_port = 8000;
45
46 DeprecatedString listen_address = default_listen_address;
47 int port = default_port;
48
49 Core::ArgsParser args_parser;
50 args_parser.add_option(listen_address, "IP address to listen on", "listen-address", 'l', "listen_address");
51 args_parser.add_option(port, "Port to listen on", "port", 'p', "port");
52 args_parser.parse(arguments);
53
54 auto ipv4_address = IPv4Address::from_string(listen_address);
55 if (!ipv4_address.has_value()) {
56 warnln("Invalid listen address: {}", listen_address);
57 return 1;
58 }
59
60 if ((u16)port != port) {
61 warnln("Invalid port number: {}", port);
62 return 1;
63 }
64
65 TRY(Core::System::pledge("stdio accept cpath rpath recvfd inet unix proc exec fattr"));
66
67 auto webdriver_socket_path = DeprecatedString::formatted("{}/webdriver", TRY(Core::StandardPaths::runtime_directory()));
68 TRY(Core::Directory::create(webdriver_socket_path, Core::Directory::CreateDirectories::Yes));
69
70 Core::EventLoop loop;
71
72 auto server = TRY(Core::TCPServer::try_create());
73
74 // FIXME: Propagate errors
75 server->on_ready_to_accept = [&] {
76 auto maybe_client_socket = server->accept();
77 if (maybe_client_socket.is_error()) {
78 warnln("Failed to accept the client: {}", maybe_client_socket.error());
79 return;
80 }
81
82 auto maybe_buffered_socket = Core::BufferedTCPSocket::create(maybe_client_socket.release_value());
83 if (maybe_buffered_socket.is_error()) {
84 warnln("Could not obtain a buffered socket for the client: {}", maybe_buffered_socket.error());
85 return;
86 }
87
88 auto maybe_client = WebDriver::Client::try_create(maybe_buffered_socket.release_value(), { launch_browser, launch_headless_browser }, server);
89 if (maybe_client.is_error()) {
90 warnln("Could not create a WebDriver client: {}", maybe_client.error());
91 return;
92 }
93 };
94
95 TRY(server->listen(ipv4_address.value(), port));
96
97 outln("Listening on {}:{}", ipv4_address.value(), port);
98
99 TRY(Core::System::unveil("/bin/Browser", "rx"));
100 TRY(Core::System::unveil("/bin/headless-browser", "rx"));
101 TRY(Core::System::unveil("/etc/timezone", "r"));
102 TRY(Core::System::unveil("/res/icons", "r"));
103 TRY(Core::System::unveil(webdriver_socket_path, "rwc"sv));
104 TRY(Core::System::unveil(nullptr, nullptr));
105
106 TRY(Core::System::pledge("stdio accept cpath rpath recvfd unix proc exec fattr"));
107 return loop.exec();
108}