ladybird/Userland/Libraries/LibHTTP/Job.h
2021-01-12 12:17:46 +01:00

87 lines
3.2 KiB
C++

/*
* 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.
*/
#pragma once
#include <AK/FileStream.h>
#include <AK/HashMap.h>
#include <AK/Optional.h>
#include <LibCore/NetworkJob.h>
#include <LibCore/TCPSocket.h>
#include <LibHTTP/HttpRequest.h>
#include <LibHTTP/HttpResponse.h>
namespace HTTP {
class Job : public Core::NetworkJob {
public:
explicit Job(const HttpRequest&, OutputStream&);
virtual ~Job() override;
virtual void start() override = 0;
virtual void shutdown() override = 0;
HttpResponse* response() { return static_cast<HttpResponse*>(Core::NetworkJob::response()); }
const HttpResponse* response() const { return static_cast<const HttpResponse*>(Core::NetworkJob::response()); }
protected:
void finish_up();
void on_socket_connected();
void flush_received_buffers();
virtual void register_on_ready_to_read(Function<void()>) = 0;
virtual void register_on_ready_to_write(Function<void()>) = 0;
virtual bool can_read_line() const = 0;
virtual String read_line(size_t) = 0;
virtual bool can_read() const = 0;
virtual ByteBuffer receive(size_t) = 0;
virtual bool eof() const = 0;
virtual bool write(ReadonlyBytes) = 0;
virtual bool is_established() const = 0;
virtual bool should_fail_on_empty_payload() const { return true; }
virtual void read_while_data_available(Function<IterationDecision()> read) { read(); };
enum class State {
InStatus,
InHeaders,
InBody,
Trailers,
Finished,
};
HttpRequest m_request;
State m_state { State::InStatus };
int m_code { -1 };
HashMap<String, String, CaseInsensitiveStringTraits> m_headers;
Vector<ByteBuffer, 2> m_received_buffers;
size_t m_buffered_size { 0 };
size_t m_received_size { 0 };
bool m_sent_data { 0 };
Optional<ssize_t> m_current_chunk_remaining_size;
Optional<size_t> m_current_chunk_total_size;
bool m_can_stream_response { true };
};
}