118 lines
4.4 KiB
C++
118 lines
4.4 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include <AK/Badge.h>
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#include <AK/ByteBuffer.h>
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#include <AK/FileStream.h>
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#include <AK/Function.h>
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#include <AK/MemoryStream.h>
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#include <AK/RefCounted.h>
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#include <AK/String.h>
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#include <AK/WeakPtr.h>
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#include <LibCore/Notifier.h>
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#include <LibIPC/Forward.h>
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namespace Protocol {
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class Client;
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class Download : public RefCounted<Download> {
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public:
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struct CertificateAndKey {
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String certificate;
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String key;
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};
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static NonnullRefPtr<Download> create_from_id(Badge<Client>, Client& client, i32 download_id)
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{
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return adopt(*new Download(client, download_id));
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}
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int id() const { return m_download_id; }
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int fd() const { return m_fd; }
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bool stop();
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void stream_into(OutputStream&);
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bool should_buffer_all_input() const { return m_should_buffer_all_input; }
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/// Note: Will override `on_finish', and `on_headers_received', and expects `on_buffered_download_finish' to be set!
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void set_should_buffer_all_input(bool);
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/// Note: Must be set before `set_should_buffer_all_input(true)`.
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Function<void(bool success, u32 total_size, const HashMap<String, String, CaseInsensitiveStringTraits>& response_headers, Optional<u32> response_code, ReadonlyBytes payload)> on_buffered_download_finish;
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Function<void(bool success, u32 total_size)> on_finish;
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Function<void(Optional<u32> total_size, u32 downloaded_size)> on_progress;
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Function<void(const HashMap<String, String, CaseInsensitiveStringTraits>& response_headers, Optional<u32> response_code)> on_headers_received;
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Function<CertificateAndKey()> on_certificate_requested;
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void did_finish(Badge<Client>, bool success, u32 total_size);
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void did_progress(Badge<Client>, Optional<u32> total_size, u32 downloaded_size);
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void did_receive_headers(Badge<Client>, const HashMap<String, String, CaseInsensitiveStringTraits>& response_headers, Optional<u32> response_code);
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void did_request_certificates(Badge<Client>);
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RefPtr<Core::Notifier>& write_notifier(Badge<Client>) { return m_write_notifier; }
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void set_download_fd(Badge<Client>, int fd) { m_fd = fd; }
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private:
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explicit Download(Client&, i32 download_id);
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WeakPtr<Client> m_client;
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int m_download_id { -1 };
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RefPtr<Core::Notifier> m_write_notifier;
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int m_fd { -1 };
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bool m_should_buffer_all_input { false };
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struct InternalBufferedData {
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InternalBufferedData(int fd)
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: read_stream(fd)
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{
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}
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InputFileStream read_stream;
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DuplexMemoryStream payload_stream;
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HashMap<String, String, CaseInsensitiveStringTraits> response_headers;
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Optional<u32> response_code;
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};
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struct InternalStreamData {
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InternalStreamData(int fd)
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: read_stream(fd)
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{
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}
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InputFileStream read_stream;
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RefPtr<Core::Notifier> read_notifier;
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bool success;
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u32 total_size { 0 };
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bool download_done { false };
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};
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OwnPtr<InternalBufferedData> m_internal_buffered_data;
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OwnPtr<InternalStreamData> m_internal_stream_data;
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};
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}
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