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/*
* Copyright (c) 2021, Dex♪ <dexes.ttp@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/Base64.h>
#include <AK/Format.h>
#include <AK/URL.h>
#include <LibCore/ArgsParser.h>
#include <LibCore/EventLoop.h>
#include <LibCore/System.h>
#include <LibLine/Editor.h>
#include <LibMain/Main.h>
#include <LibProtocol/WebSocket.h>
#include <LibProtocol/WebSocketClient.h>
ErrorOr<int> serenity_main(Main::Arguments arguments)
{
TRY(Core::System::pledge("stdio unix inet accept rpath wpath cpath fattr tty sigaction"));
Core::ArgsParser args_parser;
String origin;
String url_string;
args_parser.add_positional_argument(url_string, "URL to connect to", "url", Core::ArgsParser::Required::Yes);
args_parser.add_option(origin, "URL to use as origin", "origin", 'o', "origin");
args_parser.parse(arguments);
URL url(url_string);
if (!url.is_valid()) {
warnln("The given URL is not valid");
return 1;
}
Core::EventLoop loop;
auto maybe_websocket_client = Protocol::WebSocketClient::try_create();
if (maybe_websocket_client.is_error()) {
warnln("Failed to connect to the websocket server: {}\n", maybe_websocket_client.error());
return maybe_websocket_client.release_error();
}
auto websocket_client = maybe_websocket_client.release_value();
RefPtr<Line::Editor> editor = Line::Editor::construct();
bool should_quit = false;
auto socket = websocket_client->connect(url, origin);
if (!socket) {
warnln("Failed to start socket for '{}'\n", url);
return 1;
}
socket->on_open = [&]() {
outln("[WebSocket opened]"sv);
};
socket->on_error = [&](auto error) {
outln("[WebSocket Error : {}]", (unsigned)error);
};
socket->on_message = [&](auto message) {
if (!message.is_text) {
outln("[Received binary data : {} bytes]", message.data.size());
return;
}
outln("[Received utf8 text] {}", String(ReadonlyBytes(message.data)));
};
socket->on_close = [&](auto code, auto message, bool was_clean) {
outln("[Server {} closed connection : '{}' (code {})]",
was_clean ? "cleanly" : "dirtily",
message,
code);
should_quit = true;
Core::EventLoop::current().quit(0);
};
TRY(Core::System::pledge("stdio unix inet accept rpath wpath tty sigaction"));
TRY(Core::System::unveil(nullptr, nullptr));
outln("Started server. Commands :");
outln("- '<text>' send the text as message");
outln("- '.text <data>' send the text as message");
outln("- '.base64 <data>' send the binary data from a base64-encoded string as message");
outln("- '.exit' Ask to exit the server");
outln("- '.forceexit' Exit the server");
while (!should_quit) {
auto line_or_error = editor->get_line(">");
if (line_or_error.is_error()) {
continue;
}
auto line = line_or_error.value();
if (line.is_empty())
continue;
if (line.starts_with('.')) {
if (line.starts_with(".text "sv)) {
editor->add_to_history(line);
if (socket->ready_state() != Protocol::WebSocket::ReadyState::Open) {
outln("Could not send message : socket is not open.");
continue;
}
socket->send(line.substring(6));
continue;
}
if (line.starts_with(".base64 "sv)) {
editor->add_to_history(line);
if (socket->ready_state() != Protocol::WebSocket::ReadyState::Open) {
outln("Could not send message : socket is not open.");
continue;
}
auto base64_data = line.substring(8);
auto buffer = decode_base64(base64_data);
if (buffer.is_error()) {
outln("Could not send message : {}", buffer.error().string_literal());
} else {
socket->send(buffer.value(), false);
}
continue;
}
if (line == ".exit") {
editor->add_to_history(line);
if (socket->ready_state() != Protocol::WebSocket::ReadyState::Open) {
outln("Socket is not open. Exiting.");
should_quit = true;
continue;
}
socket->close();
continue;
}
if (line == ".forceexit") {
editor->add_to_history(line);
if (socket->ready_state() == Protocol::WebSocket::ReadyState::Open)
socket->close();
return 1;
}
outln("Unknown command : {}", line);
continue;
}
editor->add_to_history(line);
if (socket->ready_state() != Protocol::WebSocket::ReadyState::Open) {
outln("Could not send message : socket is not open.");
continue;
}
socket->send(line);
}
return 0;
}
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