ladybird/Ladybird/Qt/WebSocketImplQt.cpp

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/*
* Copyright (c) 2021, Dex <dexes.ttp@gmail.com>
* Copyright (c) 2022, Ali Mohammad Pur <mpfard@serenityos.org>
* Copyright (c) 2022, the SerenityOS developers.
* Copyright (c) 2022, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "WebSocketImplQt.h"
#include "StringUtils.h"
#include <LibCore/EventLoop.h>
#include <QSslSocket>
#include <QTcpSocket>
namespace Ladybird {
WebSocketImplQt::~WebSocketImplQt() = default;
WebSocketImplQt::WebSocketImplQt() = default;
bool WebSocketImplQt::can_read_line()
{
return m_socket->canReadLine();
}
bool WebSocketImplQt::send(ReadonlyBytes bytes)
{
auto bytes_written = m_socket->write(reinterpret_cast<char const*>(bytes.data()), bytes.size());
if (bytes_written == -1)
return false;
VERIFY(static_cast<size_t>(bytes_written) == bytes.size());
return true;
}
bool WebSocketImplQt::eof()
{
return m_socket->state() == QTcpSocket::SocketState::UnconnectedState
&& !m_socket->bytesAvailable();
}
void WebSocketImplQt::discard_connection()
{
m_socket = nullptr;
}
void WebSocketImplQt::connect(WebSocket::ConnectionInfo const& connection_info)
{
VERIFY(!m_socket);
VERIFY(on_connected);
VERIFY(on_connection_error);
VERIFY(on_ready_to_read);
if (connection_info.is_secure()) {
auto ssl_socket = make<QSslSocket>();
ssl_socket->connectToHostEncrypted(
qstring_from_ak_string(connection_info.url().serialized_host().release_value_but_fixme_should_propagate_errors()),
connection_info.url().port_or_default());
QObject::connect(ssl_socket.ptr(), &QSslSocket::alertReceived, [this](QSsl::AlertLevel level, QSsl::AlertType, QString const&) {
if (level == QSsl::AlertLevel::Fatal)
on_connection_error();
});
m_socket = move(ssl_socket);
} else {
m_socket = make<QTcpSocket>();
m_socket->connectToHost(
qstring_from_ak_string(connection_info.url().serialized_host().release_value_but_fixme_should_propagate_errors()),
connection_info.url().port_or_default());
}
QObject::connect(m_socket.ptr(), &QTcpSocket::readyRead, [this] {
on_ready_to_read();
});
QObject::connect(m_socket.ptr(), &QTcpSocket::connected, [this] {
on_connected();
});
}
ErrorOr<ByteBuffer> WebSocketImplQt::read(int max_size)
{
auto buffer = TRY(ByteBuffer::create_uninitialized(max_size));
auto bytes_read = m_socket->read(reinterpret_cast<char*>(buffer.data()), buffer.size());
if (bytes_read == -1)
return Error::from_string_literal("WebSocketImplQt::read(): Error reading from socket");
return buffer.slice(0, bytes_read);
}
ErrorOr<DeprecatedString> WebSocketImplQt::read_line(size_t size)
{
auto buffer = TRY(ByteBuffer::create_uninitialized(size));
auto bytes_read = m_socket->readLine(reinterpret_cast<char*>(buffer.data()), buffer.size());
if (bytes_read == -1)
return Error::from_string_literal("WebSocketImplQt::read_line(): Error reading from socket");
return DeprecatedString::copy(buffer.span().slice(0, bytes_read));
}
}