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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.
*
*/
#include "backends/cloud/basestorage.h"
#include "backends/cloud/cloudmanager.h"
#include "backends/networking/curl/connectionmanager.h"
#include "backends/networking/curl/curljsonrequest.h"
#include "common/config-manager.h"
#include "common/debug.h"
#include "common/json.h"
namespace Cloud {
BaseStorage::BaseStorage() {}
BaseStorage::BaseStorage(Common::String token, Common::String refreshToken):
_token(token), _refreshToken(refreshToken) {}
BaseStorage::~BaseStorage() {}
void BaseStorage::getAccessToken(Common::String code) {
Networking::JsonCallback callback = new Common::Callback<BaseStorage, Networking::JsonResponse>(this, &BaseStorage::codeFlowComplete);
Networking::ErrorCallback errorCallback = new Common::Callback<BaseStorage, Networking::ErrorResponse>(this, &BaseStorage::codeFlowFailed);
Common::String url = Common::String::format("https://cloud.scummvm.org/%s/token/%s", cloudProvider().c_str(), code.c_str());
Networking::CurlJsonRequest *request = new Networking::CurlJsonRequest(callback, errorCallback, url);
addRequest(request);
}
void BaseStorage::codeFlowComplete(Networking::JsonResponse response) {
bool success = true;
Common::JSONValue *json = (Common::JSONValue *)response.value;
if (json == nullptr) {
debug(9, "BaseStorage::codeFlowComplete: got NULL instead of JSON!");
success = false;
}
if (success && !json->isObject()) {
debug(9, "BaseStorage::codeFlowComplete: passed JSON is not an object!");
success = false;
}
Common::JSONObject result;
if (success) {
result = json->asObject();
if (!Networking::CurlJsonRequest::jsonContainsAttribute(result, "error", "BaseStorage::codeFlowComplete")) {
warning("BaseStorage: bad response, no 'error' attribute passed");
debug(9, "%s", json->stringify(true).c_str());
success = false;
}
}
if (success && result.getVal("error")->asBool()) {
Common::String errorMessage = "{error: true}, message is missing";
if (Networking::CurlJsonRequest::jsonContainsString(result, "message", "BaseStorage::codeFlowComplete")) {
errorMessage = result.getVal("message")->asString();
}
warning("BaseStorage: response says error occurred: %s", errorMessage.c_str());
success = false;
}
if (success && !Networking::CurlJsonRequest::jsonContainsObject(result, "oauth", "BaseStorage::codeFlowComplete")) {
warning("BaseStorage: bad response, no 'oauth' attribute passed");
debug(9, "%s", json->stringify(true).c_str());
success = false;
}
Common::JSONObject oauth;
bool requiresRefreshToken = needsRefreshToken();
if (success) {
oauth = result.getVal("oauth")->asObject();
if (!Networking::CurlJsonRequest::jsonContainsString(oauth, "access_token", "BaseStorage::codeFlowComplete") ||
!Networking::CurlJsonRequest::jsonContainsString(oauth, "refresh_token", "BaseStorage::codeFlowComplete", !requiresRefreshToken)) {
warning("BaseStorage: bad response, no 'access_token' or 'refresh_token' attribute passed");
debug(9, "%s", json->stringify(true).c_str());
success = false;
}
}
if (success) {
debug(9, "%s", json->stringify(true).c_str()); // TODO: remove when done testing against cloud.scummvm.org
_token = oauth.getVal("access_token")->asString();
if (requiresRefreshToken) {
_refreshToken = oauth.getVal("refresh_token")->asString();
}
CloudMan.replaceStorage(this, storageIndex());
ConfMan.flushToDisk();
}
if (!success)
CloudMan.removeStorage(this);
delete json;
}
void BaseStorage::codeFlowFailed(Networking::ErrorResponse error) {
debug(9, "BaseStorage: code flow failed (%s, %ld):", (error.failed ? "failed" : "interrupted"), error.httpResponseCode);
debug(9, "%s", error.response.c_str());
CloudMan.removeStorage(this);
}
void BaseStorage::refreshAccessToken(BoolCallback callback, Networking::ErrorCallback errorCallback) {
if (_refreshToken == "") {
warning("BaseStorage: no refresh token available to get new access token.");
if (callback) (*callback)(BoolResponse(nullptr, false));
return;
}
Networking::JsonCallback innerCallback = new Common::CallbackBridge<BaseStorage, BoolResponse, Networking::JsonResponse>(this, &BaseStorage::tokenRefreshed, callback);
if (errorCallback == nullptr)
errorCallback = getErrorPrintingCallback();
Common::String url = Common::String::format("https://cloud.scummvm.org/%s/refresh?code=%s", cloudProvider().c_str(), _refreshToken.c_str());
Networking::CurlJsonRequest *request = new Networking::CurlJsonRequest(innerCallback, errorCallback, url);
addRequest(request);
}
void BaseStorage::tokenRefreshed(BoolCallback callback, Networking::JsonResponse response) {
bool success = true;
Common::JSONValue *json = response.value;
if (json == nullptr) {
debug(9, "BaseStorage::tokenRefreshed: got NULL instead of JSON!");
success = false;
}
if (success && !json->isObject()) {
debug(9, "BaseStorage::tokenRefreshed: passed JSON is not an object!");
success = false;
}
Common::JSONObject result;
if (success) {
result = json->asObject();
if (!Networking::CurlJsonRequest::jsonContainsAttribute(result, "error", "BaseStorage::tokenRefreshed")) {
warning("BaseStorage: bad response, no 'error' attribute passed");
debug(9, "%s", json->stringify(true).c_str());
success = false;
}
}
if (success && result.getVal("error")->asBool()) {
Common::String errorMessage = "{error: true}, message is missing";
if (Networking::CurlJsonRequest::jsonContainsString(result, "message", "BaseStorage::tokenRefreshed")) {
errorMessage = result.getVal("message")->asString();
}
warning("BaseStorage: response says error occurred: %s", errorMessage.c_str());
success = false;
}
if (success && !Networking::CurlJsonRequest::jsonContainsObject(result, "oauth", "BaseStorage::tokenRefreshed")) {
warning("BaseStorage: bad response, no 'oauth' attribute passed");
debug(9, "%s", json->stringify(true).c_str());
success = false;
}
Common::JSONObject oauth;
bool requiresRefreshToken = !canReuseRefreshToken();
if (success) {
oauth = result.getVal("oauth")->asObject();
if (!Networking::CurlJsonRequest::jsonContainsString(oauth, "access_token", "BaseStorage::tokenRefreshed") ||
!Networking::CurlJsonRequest::jsonContainsString(oauth, "refresh_token", "BaseStorage::tokenRefreshed", !requiresRefreshToken)) {
warning("BaseStorage: bad response, no 'access_token' or 'refresh_token' attribute passed");
debug(9, "%s", json->stringify(true).c_str());
success = false;
}
}
if (success) {
debug(9, "%s", json->stringify(true).c_str()); // TODO: remove when done testing against cloud.scummvm.org
_token = oauth.getVal("access_token")->asString();
if (requiresRefreshToken) {
_refreshToken = oauth.getVal("refresh_token")->asString();
}
CloudMan.save(); //ask CloudManager to save our new access_token and refresh_token
}
if (callback)
(*callback)(BoolResponse(nullptr, success));
delete json;
delete callback;
}
} // End of namespace Cloud
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