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/*
* Copyright (c) 2021, Kyle Pereira <hey@xylepereira.me>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Function.h>
#include <LibCore/Promise.h>
#include <LibIMAP/Parser.h>
#include <LibTLS/TLSv12.h>
namespace IMAP {
template<typename T>
using Promise = Core::Promise<T>;
class Client {
friend class Parser;
public:
Client(StringView host, unsigned port, bool start_with_tls);
RefPtr<Promise<Empty>> connect();
RefPtr<Promise<Optional<Response>>> send_command(Command&&);
RefPtr<Promise<Optional<Response>>> send_simple_command(CommandType);
void send_raw(StringView data);
RefPtr<Promise<Optional<SolidResponse>>> login(StringView username, StringView password);
RefPtr<Promise<Optional<SolidResponse>>> list(StringView reference_name, StringView mailbox_name);
RefPtr<Promise<Optional<SolidResponse>>> lsub(StringView reference_name, StringView mailbox_name);
RefPtr<Promise<Optional<SolidResponse>>> select(StringView string);
RefPtr<Promise<Optional<SolidResponse>>> examine(StringView string);
RefPtr<Promise<Optional<SolidResponse>>> search(Optional<String> charset, Vector<SearchKey>&& search_keys, bool uid);
RefPtr<Promise<Optional<SolidResponse>>> fetch(FetchCommand request, bool uid);
RefPtr<Promise<Optional<SolidResponse>>> store(StoreMethod, Sequence, bool silent, Vector<String> const& flags, bool uid);
RefPtr<Promise<Optional<SolidResponse>>> copy(Sequence sequence_set, StringView name, bool uid);
RefPtr<Promise<Optional<SolidResponse>>> create_mailbox(StringView name);
RefPtr<Promise<Optional<SolidResponse>>> delete_mailbox(StringView name);
RefPtr<Promise<Optional<SolidResponse>>> subscribe(StringView mailbox);
RefPtr<Promise<Optional<SolidResponse>>> unsubscribe(StringView mailbox);
RefPtr<Promise<Optional<SolidResponse>>> rename(StringView from, StringView to);
RefPtr<Promise<Optional<Response>>> authenticate(StringView method);
RefPtr<Promise<Optional<ContinueRequest>>> idle();
RefPtr<Promise<Optional<SolidResponse>>> finish_idle();
RefPtr<Promise<Optional<SolidResponse>>> status(StringView mailbox, Vector<StatusItemType> const& types);
RefPtr<Promise<Optional<SolidResponse>>> append(StringView mailbox, Message&& message, Optional<Vector<String>> flags = {}, Optional<Core::DateTime> date_time = {});
void close();
Function<void(ResponseData&&)> unrequested_response_callback;
private:
StringView m_host;
unsigned m_port;
RefPtr<Core::Socket> m_socket;
RefPtr<TLS::TLSv12> m_tls_socket;
void on_ready_to_receive();
void on_tls_ready_to_receive();
bool m_tls;
int m_current_command = 1;
bool connect_tls();
bool connect_plaintext();
// Sent but response not received
Vector<RefPtr<Promise<Optional<Response>>>> m_pending_promises;
// Not yet sent
Vector<Command> m_command_queue {};
RefPtr<Promise<Empty>> m_connect_pending {};
ByteBuffer m_buffer;
Parser m_parser;
bool m_expecting_response { false };
void handle_parsed_response(ParseStatus&& parse_status);
void send_next_command();
};
}
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