119 lines
3.2 KiB
C++
119 lines
3.2 KiB
C++
/*
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* Copyright 2003-2020 The Music Player Daemon Project
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* http://www.musicpd.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef QOBUZ_CLIENT_HXX
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#define QOBUZ_CLIENT_HXX
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#include "QobuzSession.hxx"
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#include "QobuzLoginRequest.hxx"
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#include "lib/curl/Init.hxx"
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#include "thread/Mutex.hxx"
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#include "event/DeferEvent.hxx"
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#include <boost/intrusive/list.hpp>
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#include <memory>
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#include <map>
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#include <string>
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class QobuzSessionHandler
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: public boost::intrusive::list_base_hook<boost::intrusive::link_mode<boost::intrusive::safe_link>>
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{
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public:
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virtual void OnQobuzSession() noexcept = 0;
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};
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class QobuzClient final : QobuzLoginHandler {
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const char *const base_url;
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const char *const app_id, *const app_secret;
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const char *const device_manufacturer_id;
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const char *const username, *const email, *const password;
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const char *const format_id;
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CurlInit curl;
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DeferEvent defer_invoke_handlers;
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/**
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* Protects #session, #error, #login_request, #handlers.
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*/
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mutable Mutex mutex;
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QobuzSession session;
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std::exception_ptr error;
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typedef boost::intrusive::list<QobuzSessionHandler,
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boost::intrusive::constant_time_size<false>> LoginHandlerList;
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LoginHandlerList handlers;
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std::unique_ptr<QobuzLoginRequest> login_request;
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public:
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QobuzClient(EventLoop &event_loop,
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const char *_base_url,
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const char *_app_id, const char *_app_secret,
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const char *_device_manufacturer_id,
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const char *_username, const char *_email,
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const char *_password,
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const char *_format_id);
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const char *GetFormatId() const noexcept {
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return format_id;
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}
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gcc_pure
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CurlGlobal &GetCurl() noexcept;
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void AddLoginHandler(QobuzSessionHandler &h) noexcept;
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void RemoveLoginHandler(QobuzSessionHandler &h) noexcept {
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const std::lock_guard<Mutex> protect(mutex);
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if (h.is_linked())
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handlers.erase(handlers.iterator_to(h));
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}
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/**
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* Throws on error.
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*/
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QobuzSession GetSession() const;
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std::string MakeUrl(const char *object, const char *method,
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const std::multimap<std::string, std::string> &query) const noexcept;
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std::string MakeSignedUrl(const char *object, const char *method,
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const std::multimap<std::string, std::string> &query) const noexcept;
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private:
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void StartLogin();
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void InvokeHandlers() noexcept;
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void ScheduleInvokeHandlers() noexcept {
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defer_invoke_handlers.Schedule();
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}
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/* virtual methods from QobuzLoginHandler */
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void OnQobuzLoginSuccess(QobuzSession &&session) noexcept override;
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void OnQobuzLoginError(std::exception_ptr error) noexcept override;
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};
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#endif
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