8c16575035
Dropbox is switching to short-lived access_token OAuth. This commit adapts Cloud::DropboxStorage to use refresh_token similarly to how other Storages do: by introducing a DropboxTokenRefresher. It is used instead of plain CurlJsonRequest. It just checks if received JSON has access_token-related error and tries to refresh it, then repeats the original request transparently for the caller. If no such errors found, it just passes the info to the caller.
113 lines
3.9 KiB
C++
113 lines
3.9 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (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
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#ifndef BACKENDS_CLOUD_DROPBOX_STORAGE_H
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#define BACKENDS_CLOUD_DROPBOX_STORAGE_H
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#include "backends/cloud/basestorage.h"
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#include "common/callback.h"
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#include "backends/networking/curl/curljsonrequest.h"
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namespace Cloud {
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namespace Dropbox {
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class DropboxStorage: public Cloud::BaseStorage {
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/** This private constructor is called from loadFromConfig(). */
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DropboxStorage(Common::String token, Common::String refreshToken, bool enabled);
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protected:
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/**
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* @return "dropbox"
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*/
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virtual Common::String cloudProvider();
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/**
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* @return kStorageDropboxId
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*/
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virtual uint32 storageIndex();
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virtual bool needsRefreshToken();
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virtual bool canReuseRefreshToken();
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public:
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/** This constructor uses OAuth code flow to get tokens. */
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DropboxStorage(Common::String code, Networking::ErrorCallback cb);
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virtual ~DropboxStorage();
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/**
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* Storage methods, which are used by CloudManager to save
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* storage in configuration file.
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*/
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/**
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* Save storage data using ConfMan.
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* @param keyPrefix all saved keys must start with this prefix.
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* @note every Storage must write keyPrefix + "type" key
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* with common value (e.g. "Dropbox").
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*/
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virtual void saveConfig(Common::String keyPrefix);
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/**
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* Return unique storage name.
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* @returns some unique storage name (for example, "Dropbox (user@example.com)")
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*/
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virtual Common::String name() const;
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/** Public Cloud API comes down there. */
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/** Returns ListDirectoryStatus struct with list of files. */
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virtual Networking::Request *listDirectory(Common::String path, ListDirectoryCallback callback, Networking::ErrorCallback errorCallback, bool recursive = false);
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/** Returns UploadStatus struct with info about uploaded file. */
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virtual Networking::Request *upload(Common::String path, Common::SeekableReadStream *contents, UploadCallback callback, Networking::ErrorCallback errorCallback);
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/** Returns pointer to Networking::NetworkReadStream. */
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virtual Networking::Request *streamFileById(Common::String path, Networking::NetworkReadStreamCallback callback, Networking::ErrorCallback errorCallback);
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/** Calls the callback when finished. */
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virtual Networking::Request *createDirectory(Common::String path, BoolCallback callback, Networking::ErrorCallback errorCallback);
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/** Returns the StorageInfo struct. */
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virtual Networking::Request *info(StorageInfoCallback callback, Networking::ErrorCallback errorCallback);
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/** Returns storage's saves directory path with the trailing slash. */
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virtual Common::String savesDirectoryPath();
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/**
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* Load token and user id from configs and return DropboxStorage for those.
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* @return pointer to the newly created DropboxStorage or 0 if some problem occured.
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*/
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static DropboxStorage *loadFromConfig(Common::String keyPrefix);
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/**
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* Remove all DropboxStorage-related data from config.
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*/
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static void removeFromConfig(Common::String keyPrefix);
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Common::String accessToken() const { return _token; }
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};
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} // End of namespace Dropbox
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} // End of namespace Cloud
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#endif
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