scummvm/backends/cloud/dropbox/dropboxtokenrefresher.cpp

125 lines
4.1 KiB
C++

/* 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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
#define FORBIDDEN_SYMBOL_ALLOW_ALL
#include <curl/curl.h>
#include "backends/cloud/dropbox/dropboxtokenrefresher.h"
#include "backends/cloud/dropbox/dropboxstorage.h"
#include "backends/networking/curl/networkreadstream.h"
#include "common/debug.h"
#include "common/formats/json.h"
namespace Cloud {
namespace Dropbox {
DropboxTokenRefresher::DropboxTokenRefresher(DropboxStorage *parent, Networking::JsonCallback callback, Networking::ErrorCallback ecb, const char *url):
CurlJsonRequest(callback, ecb, url), _parentStorage(parent) {}
DropboxTokenRefresher::~DropboxTokenRefresher() {}
void DropboxTokenRefresher::tokenRefreshed(Storage::BoolResponse response) {
if (!response.value) {
//failed to refresh token, notify user with NULL in original callback
warning("DropboxTokenRefresher: failed to refresh token");
finishError(Networking::ErrorResponse(this, false, true, "DropboxTokenRefresher::tokenRefreshed: failed to refresh token", -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 DropboxTokenRefresher::finishJson(Common::JSONValue *json) {
if (!json) {
//that's probably not an error (200 OK)
CurlJsonRequest::finishJson(nullptr);
return;
}
if (jsonIsObject(json, "DropboxTokenRefresher")) {
Common::JSONObject result = json->asObject();
if (result.contains("error") || result.contains("error_summary")) {
long httpCode = -1;
if (_stream) {
httpCode = _stream->httpResponseCode();
debug(9, "DropboxTokenRefresher: code %ld", httpCode);
}
bool irrecoverable = true;
if (jsonContainsString(result, "error_summary", "DropboxTokenRefresher")) {
if (result.getVal("error_summary")->asString().contains("expired_access_token")) {
irrecoverable = false;
}
}
if (irrecoverable) {
finishError(Networking::ErrorResponse(this, false, true, json->stringify(true), httpCode));
delete json;
return;
}
pause();
delete json;
_parentStorage->refreshAccessToken(new Common::Callback<DropboxTokenRefresher, Storage::BoolResponse>(this, &DropboxTokenRefresher::tokenRefreshed));
return;
}
}
//notify user of success
CurlJsonRequest::finishJson(json);
}
void DropboxTokenRefresher::finishError(Networking::ErrorResponse error, Networking::RequestState state) {
if (error.httpResponseCode == 401) {
pause();
_parentStorage->refreshAccessToken(new Common::Callback<DropboxTokenRefresher, Storage::BoolResponse>(this, &DropboxTokenRefresher::tokenRefreshed));
return;
}
Request::finishError(error);
}
void DropboxTokenRefresher::setHeaders(Common::Array<Common::String> &headers) {
_headers = headers;
curl_slist_free_all(_headersList);
_headersList = nullptr;
for (uint32 i = 0; i < headers.size(); ++i)
CurlJsonRequest::addHeader(headers[i]);
}
void DropboxTokenRefresher::addHeader(Common::String header) {
_headers.push_back(header);
CurlJsonRequest::addHeader(header);
}
} // End of namespace Dropbox
} // End of namespace Cloud