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/*
* Copyright (c) 2020, The SerenityOS developers.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <LibCore/EventLoop.h>
#include <LibGemini/GeminiJob.h>
#include <LibGemini/GeminiResponse.h>
#include <LibTLS/TLSv12.h>
#include <stdio.h>
#include <unistd.h>
//#define GEMINIJOB_DEBUG
namespace Gemini {
void GeminiJob::start()
{
ASSERT(!m_socket);
m_socket = TLS::TLSv12::construct(this);
m_socket->on_tls_connected = [this] {
#ifdef GEMINIJOB_DEBUG
dbg() << "GeminiJob: on_connected callback";
#endif
on_socket_connected();
};
m_socket->on_tls_error = [this](TLS::AlertDescription error) {
if (error == TLS::AlertDescription::HandshakeFailure) {
deferred_invoke([this](auto&) {
return did_fail(Core::NetworkJob::Error::ProtocolFailed);
});
} else if (error == TLS::AlertDescription::DecryptError) {
deferred_invoke([this](auto&) {
return did_fail(Core::NetworkJob::Error::ConnectionFailed);
});
} else {
deferred_invoke([this](auto&) {
return did_fail(Core::NetworkJob::Error::TransmissionFailed);
});
}
};
m_socket->on_tls_finished = [this] {
finish_up();
};
m_socket->on_tls_certificate_request = [this](auto&) {
if (on_certificate_requested)
on_certificate_requested(*this);
};
bool success = ((TLS::TLSv12&)*m_socket).connect(m_request.url().host(), m_request.url().port());
if (!success) {
deferred_invoke([this](auto&) {
return did_fail(Core::NetworkJob::Error::ConnectionFailed);
});
}
}
void GeminiJob::shutdown()
{
if (!m_socket)
return;
m_socket->on_tls_ready_to_read = nullptr;
m_socket->on_tls_connected = nullptr;
remove_child(*m_socket);
m_socket = nullptr;
}
void GeminiJob::read_while_data_available(Function<IterationDecision()> read)
{
while (m_socket->can_read()) {
if (read() == IterationDecision::Break)
break;
}
}
void GeminiJob::set_certificate(String certificate, String private_key)
{
if (!m_socket->add_client_key(
ByteBuffer::wrap(const_cast<char*>(certificate.characters()), certificate.length()),
ByteBuffer::wrap(const_cast<char*>(private_key.characters()), private_key.length()))) {
dbg() << "LibGemini: Failed to set a client certificate";
// FIXME: Do something about this failure
ASSERT_NOT_REACHED();
}
}
void GeminiJob::register_on_ready_to_read(Function<void()> callback)
{
m_socket->on_tls_ready_to_read = [callback = move(callback)](auto&) {
callback();
};
}
void GeminiJob::register_on_ready_to_write(Function<void()> callback)
{
m_socket->on_tls_ready_to_write = [callback = move(callback)](auto&) {
callback();
};
}
bool GeminiJob::can_read_line() const
{
return m_socket->can_read_line();
}
ByteBuffer GeminiJob::read_line(size_t size)
{
return m_socket->read_line(size);
}
ByteBuffer GeminiJob::receive(size_t size)
{
return m_socket->read(size);
}
bool GeminiJob::can_read() const
{
return m_socket->can_read();
}
bool GeminiJob::eof() const
{
return m_socket->eof();
}
bool GeminiJob::write(const ByteBuffer& data)
{
return m_socket->write(data);
}
}
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