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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#define FORBIDDEN_SYMBOL_ALLOW_ALL
#include "backends/cloud/box/boxstorage.h"
#include "backends/cloud/box/boxlistdirectorybyidrequest.h"
#include "backends/cloud/box/boxtokenrefresher.h"
#include "backends/cloud/box/boxuploadrequest.h"
#include "backends/cloud/cloudmanager.h"
#include "backends/networking/curl/connectionmanager.h"
#include "backends/networking/curl/curljsonrequest.h"
#include "backends/networking/curl/networkreadstream.h"
#include "common/config-manager.h"
#include "common/debug.h"
#include "common/json.h"
#include <curl/curl.h>
#ifdef ENABLE_RELEASE
#include "dists/clouds/cloud_keys.h"
#endif
namespace Cloud {
namespace Box {
#define BOX_OAUTH2_TOKEN "https://api.box.com/oauth2/token"
#define BOX_API_FOLDERS "https://api.box.com/2.0/folders"
#define BOX_API_FILES_CONTENT "https://api.box.com/2.0/files/%s/content"
#define BOX_API_USERS_ME "https://api.box.com/2.0/users/me"
char *BoxStorage::KEY = nullptr; //can't use CloudConfig there yet, loading it on instance creation/auth
char *BoxStorage::SECRET = nullptr;
void BoxStorage::loadKeyAndSecret() {
#ifdef ENABLE_RELEASE
KEY = RELEASE_BOX_KEY;
SECRET = RELEASE_BOX_SECRET;
#else
Common::String k = ConfMan.get("BOX_KEY", ConfMan.kCloudDomain);
KEY = new char[k.size() + 1];
memcpy(KEY, k.c_str(), k.size());
KEY[k.size()] = 0;
k = ConfMan.get("BOX_SECRET", ConfMan.kCloudDomain);
SECRET = new char[k.size() + 1];
memcpy(SECRET, k.c_str(), k.size());
SECRET[k.size()] = 0;
#endif
}
BoxStorage::BoxStorage(Common::String accessToken, Common::String refreshToken):
_token(accessToken), _refreshToken(refreshToken) {}
BoxStorage::BoxStorage(Common::String code) {
getAccessToken(
new Common::Callback<BoxStorage, BoolResponse>(this, &BoxStorage::codeFlowComplete),
new Common::Callback<BoxStorage, Networking::ErrorResponse>(this, &BoxStorage::codeFlowFailed),
code
);
}
BoxStorage::~BoxStorage() {}
void BoxStorage::getAccessToken(BoolCallback callback, Networking::ErrorCallback errorCallback, Common::String code) {
if (!KEY || !SECRET)
loadKeyAndSecret();
bool codeFlow = (code != "");
if (!codeFlow && _refreshToken == "") {
warning("BoxStorage: no refresh token available to get new access token.");
if (callback) (*callback)(BoolResponse(nullptr, false));
return;
}
Networking::JsonCallback innerCallback = new Common::CallbackBridge<BoxStorage, BoolResponse, Networking::JsonResponse>(this, &BoxStorage::tokenRefreshed, callback);
if (errorCallback == nullptr)
errorCallback = getErrorPrintingCallback();
Networking::CurlJsonRequest *request = new Networking::CurlJsonRequest(innerCallback, errorCallback, BOX_OAUTH2_TOKEN);
if (codeFlow) {
request->addPostField("grant_type=authorization_code");
request->addPostField("code=" + code);
} else {
request->addPostField("grant_type=refresh_token");
request->addPostField("refresh_token=" + _refreshToken);
}
request->addPostField("client_id=" + Common::String(KEY));
request->addPostField("client_secret=" + Common::String(SECRET));
/*
if (Cloud::CloudManager::couldUseLocalServer()) {
request->addPostField("&redirect_uri=http%3A%2F%2Flocalhost%3A12345");
} else {
request->addPostField("&redirect_uri=https%3A%2F%2Fwww.scummvm.org/c/code");
}
*/
addRequest(request);
}
void BoxStorage::tokenRefreshed(BoolCallback callback, Networking::JsonResponse response) {
Common::JSONValue *json = response.value;
if (!json) {
warning("BoxStorage: got NULL instead of JSON");
if (callback) (*callback)(BoolResponse(nullptr, false));
return;
}
Common::JSONObject result = json->asObject();
if (!result.contains("access_token") || !result.contains("refresh_token")) {
warning("BoxStorage: bad response, no token passed");
debug(9, "%s", json->stringify().c_str());
if (callback)
(*callback)(BoolResponse(nullptr, false));
} else {
_token = result.getVal("access_token")->asString();
_refreshToken = result.getVal("refresh_token")->asString();
CloudMan.save(); //ask CloudManager to save our new refreshToken
if (callback)
(*callback)(BoolResponse(nullptr, true));
}
delete json;
}
void BoxStorage::codeFlowComplete(BoolResponse response) {
if (!response.value) {
warning("BoxStorage: failed to get access token through code flow");
CloudMan.removeStorage(this);
return;
}
CloudMan.replaceStorage(this, kStorageBoxId);
ConfMan.flushToDisk();
}
void BoxStorage::codeFlowFailed(Networking::ErrorResponse error) {
debug(9, "BoxStorage: code flow failed (%s, %ld):", (error.failed ? "failed" : "interrupted"), error.httpResponseCode);
debug(9, "%s", error.response.c_str());
CloudMan.removeStorage(this);
}
void BoxStorage::saveConfig(Common::String keyPrefix) {
ConfMan.set(keyPrefix + "access_token", _token, ConfMan.kCloudDomain);
ConfMan.set(keyPrefix + "refresh_token", _refreshToken, ConfMan.kCloudDomain);
}
Common::String BoxStorage::name() const {
return "Box";
}
void BoxStorage::infoInnerCallback(StorageInfoCallback outerCallback, Networking::JsonResponse response) {
Common::JSONValue *json = response.value;
if (!json) {
warning("BoxStorage::infoInnerCallback: NULL passed instead of JSON");
delete outerCallback;
return;
}
Common::JSONObject info = json->asObject();
Common::String uid, name, email;
uint64 quotaUsed = 0, quotaAllocated = 0;
// can check that "type": "user"
// there is also "max_upload_size", "phone" and "avatar_url"
if (info.contains("id") && info.getVal("id")->isString())
uid = info.getVal("id")->asString();
if (info.contains("name") && info.getVal("name")->isString())
name = info.getVal("name")->asString();
if (info.contains("login") && info.getVal("login")->isString())
email = info.getVal("login")->asString();
if (info.contains("space_amount") && info.getVal("space_amount")->isIntegerNumber())
quotaAllocated = info.getVal("space_amount")->asIntegerNumber();
if (info.contains("space_used") && info.getVal("space_used")->isIntegerNumber())
quotaUsed = info.getVal("space_used")->asIntegerNumber();
Common::String username = email;
if (username == "") username = name;
if (username == "") username = uid;
CloudMan.setStorageUsername(kStorageBoxId, username);
if (outerCallback) {
(*outerCallback)(StorageInfoResponse(nullptr, StorageInfo(uid, name, email, quotaUsed, quotaAllocated)));
delete outerCallback;
}
delete json;
}
Networking::Request *BoxStorage::listDirectoryById(Common::String id, ListDirectoryCallback callback, Networking::ErrorCallback errorCallback) {
if (!errorCallback)
errorCallback = getErrorPrintingCallback();
if (!callback)
callback = getPrintFilesCallback();
return addRequest(new BoxListDirectoryByIdRequest(this, id, callback, errorCallback));
}
void BoxStorage::createDirectoryInnerCallback(BoolCallback outerCallback, Networking::JsonResponse response) {
Common::JSONValue *json = response.value;
if (!json) {
warning("BoxStorage::createDirectoryInnerCallback: NULL passed instead of JSON");
delete outerCallback;
return;
}
if (outerCallback) {
Common::JSONObject info = json->asObject();
(*outerCallback)(BoolResponse(nullptr, info.contains("id")));
delete outerCallback;
}
delete json;
}
Networking::Request *BoxStorage::createDirectoryWithParentId(Common::String parentId, Common::String name, BoolCallback callback, Networking::ErrorCallback errorCallback) {
if (!errorCallback)
errorCallback = getErrorPrintingCallback();
Common::String url = BOX_API_FOLDERS;
Networking::JsonCallback innerCallback = new Common::CallbackBridge<BoxStorage, BoolResponse, Networking::JsonResponse>(this, &BoxStorage::createDirectoryInnerCallback, callback);
Networking::CurlJsonRequest *request = new BoxTokenRefresher(this, innerCallback, errorCallback, url.c_str());
request->addHeader("Authorization: Bearer " + accessToken());
request->addHeader("Content-Type: application/json");
Common::JSONObject parentObject;
parentObject.setVal("id", new Common::JSONValue(parentId));
Common::JSONObject jsonRequestParameters;
jsonRequestParameters.setVal("name", new Common::JSONValue(name));
jsonRequestParameters.setVal("parent", new Common::JSONValue(parentObject));
Common::JSONValue value(jsonRequestParameters);
request->addPostField(Common::JSON::stringify(&value));
return addRequest(request);
}
Networking::Request *BoxStorage::upload(Common::String remotePath, Common::String localPath, UploadCallback callback, Networking::ErrorCallback errorCallback) {
if (!errorCallback)
errorCallback = getErrorPrintingCallback();
return addRequest(new BoxUploadRequest(this, remotePath, localPath, callback, errorCallback));
}
Networking::Request *BoxStorage::upload(Common::String path, Common::SeekableReadStream *contents, UploadCallback callback, Networking::ErrorCallback errorCallback) {
warning("BoxStorage::upload(ReadStream) not implemented");
if (errorCallback)
(*errorCallback)(Networking::ErrorResponse(nullptr, false, true, "BoxStorage::upload(ReadStream) not implemented", -1));
delete callback;
delete errorCallback;
return nullptr;
}
bool BoxStorage::uploadStreamSupported() {
return false;
}
Networking::Request *BoxStorage::streamFileById(Common::String id, Networking::NetworkReadStreamCallback callback, Networking::ErrorCallback errorCallback) {
if (callback) {
Common::String url = Common::String::format(BOX_API_FILES_CONTENT, id.c_str());
Common::String header = "Authorization: Bearer " + _token;
curl_slist *headersList = curl_slist_append(nullptr, header.c_str());
Networking::NetworkReadStream *stream = new Networking::NetworkReadStream(url.c_str(), headersList, "");
(*callback)(Networking::NetworkReadStreamResponse(nullptr, stream));
}
delete callback;
delete errorCallback;
return nullptr;
}
Networking::Request *BoxStorage::info(StorageInfoCallback callback, Networking::ErrorCallback errorCallback) {
Networking::JsonCallback innerCallback = new Common::CallbackBridge<BoxStorage, StorageInfoResponse, Networking::JsonResponse>(this, &BoxStorage::infoInnerCallback, callback);
Networking::CurlJsonRequest *request = new BoxTokenRefresher(this, innerCallback, errorCallback, BOX_API_USERS_ME);
request->addHeader("Authorization: Bearer " + _token);
return addRequest(request);
}
Common::String BoxStorage::savesDirectoryPath() { return "scummvm/saves/"; }
BoxStorage *BoxStorage::loadFromConfig(Common::String keyPrefix) {
loadKeyAndSecret();
if (!ConfMan.hasKey(keyPrefix + "access_token", ConfMan.kCloudDomain)) {
warning("BoxStorage: no access_token found");
return nullptr;
}
if (!ConfMan.hasKey(keyPrefix + "refresh_token", ConfMan.kCloudDomain)) {
warning("BoxStorage: no refresh_token found");
return nullptr;
}
Common::String accessToken = ConfMan.get(keyPrefix + "access_token", ConfMan.kCloudDomain);
Common::String refreshToken = ConfMan.get(keyPrefix + "refresh_token", ConfMan.kCloudDomain);
return new BoxStorage(accessToken, refreshToken);
}
Common::String BoxStorage::getRootDirectoryId() {
return "0";
}
} // End of namespace Box
} // End of namespace Cloud
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