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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/googledrive/googledrivetokenrefresher.h"
#include "backends/cloud/googledrive/googledrivestorage.h"
#include "backends/networking/curl/networkreadstream.h"
#include "common/debug.h"
#include "common/json.h"
#include <curl/curl.h>
namespace Cloud {
namespace GoogleDrive {
GoogleDriveTokenRefresher::GoogleDriveTokenRefresher(GoogleDriveStorage *parent, Networking::JsonCallback callback, Networking::ErrorCallback ecb, const char *url):
CurlJsonRequest(callback, ecb, url), _parentStorage(parent) {}
GoogleDriveTokenRefresher::~GoogleDriveTokenRefresher() {}
void GoogleDriveTokenRefresher::tokenRefreshed(Storage::BoolResponse response) {
if (!response.value) {
//failed to refresh token, notify user with NULL in original callback
warning("GoogleDriveTokenRefresher: failed to refresh token");
finishError(Networking::ErrorResponse(this, false, true, "", -1));
return;
}
//update headers: first change header with token, then pass those to request
for (uint32 i = 0; i < _headers.size(); ++i) {
if (_headers[i].contains("Authorization")) {
_headers[i] = "Authorization: Bearer " + _parentStorage->accessToken();
}
}
setHeaders(_headers);
//successfully received refreshed token, can restart the original request now
retry(0);
}
void GoogleDriveTokenRefresher::finishSuccess(Common::JSONValue *json) {
if (!json) {
//that's probably not an error (200 OK)
CurlJsonRequest::finishSuccess(nullptr);
return;
}
Common::JSONObject result = json->asObject();
if (result.contains("error")) {
//new token needed => request token & then retry original request
if (_stream) {
debug("code %ld", _stream->httpResponseCode());
}
Common::JSONObject error = result.getVal("error")->asObject();
bool irrecoverable = true;
uint32 code = -1;
Common::String message;
if (error.contains("code") && error.getVal("code")->isIntegerNumber()) {
code = error.getVal("code")->asIntegerNumber();
debug("code = %u", code);
}
if (error.contains("message")) {
message = error.getVal("message")->asString();
debug("message = %s", message.c_str());
}
if (code == 401 || message == "Invalid Credentials")
irrecoverable = false;
if (irrecoverable) {
finishError(Networking::ErrorResponse(this, false, true, json->stringify(true), -1)); //TODO: httpCode
delete json;
return;
}
pause();
delete json;
_parentStorage->getAccessToken(new Common::Callback<GoogleDriveTokenRefresher, Storage::BoolResponse>(this, &GoogleDriveTokenRefresher::tokenRefreshed));
return;
}
//notify user of success
CurlJsonRequest::finishSuccess(json);
}
void GoogleDriveTokenRefresher::setHeaders(Common::Array<Common::String> &headers) {
_headers = headers;
curl_slist_free_all(_headersList);
_headersList = 0;
for (uint32 i = 0; i < headers.size(); ++i)
CurlJsonRequest::addHeader(headers[i]);
}
void GoogleDriveTokenRefresher::addHeader(Common::String header) {
_headers.push_back(header);
CurlJsonRequest::addHeader(header);
}
} // End of namespace GoogleDrive
} // End of namespace Cloud
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