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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 <curl/curl.h>
#include "backends/cloud/box/boxtokenrefresher.h"
#include "backends/cloud/box/boxstorage.h"
#include "backends/networking/curl/networkreadstream.h"
#include "common/debug.h"
#include "common/json.h"
namespace Cloud {
namespace Box {
BoxTokenRefresher::BoxTokenRefresher(BoxStorage *parent, Networking::JsonCallback callback, Networking::ErrorCallback ecb, const char *url):
CurlJsonRequest(callback, ecb, url), _parentStorage(parent) {}
BoxTokenRefresher::~BoxTokenRefresher() {}
void BoxTokenRefresher::tokenRefreshed(Storage::BoolResponse response) {
if (!response.value) {
//failed to refresh token, notify user with NULL in original callback
warning("BoxTokenRefresher: 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 BoxTokenRefresher::finishJson(Common::JSONValue *json) {
if (!json) {
//that's probably not an error (200 OK)
CurlJsonRequest::finishJson(nullptr);
return;
}
if (jsonIsObject(json, "BoxTokenRefresher")) {
Common::JSONObject result = json->asObject();
if (result.contains("type") && result.getVal("type")->isString() && result.getVal("type")->asString() == "error") {
//new token needed => request token & then retry original request
long httpCode = -1;
if (_stream) {
httpCode = _stream->httpResponseCode();
debug(9, "BoxTokenRefresher: code %ld", httpCode);
}
bool irrecoverable = true;
Common::String code, message;
if (jsonContainsString(result, "code", "BoxTokenRefresher")) {
code = result.getVal("code")->asString();
debug(9, "BoxTokenRefresher: code = %s", code.c_str());
}
if (jsonContainsString(result, "message", "BoxTokenRefresher")) {
message = result.getVal("message")->asString();
debug(9, "BoxTokenRefresher: message = %s", message.c_str());
}
//TODO: decide when token refreshment will help
//for now refreshment is used only when HTTP 401 is passed in finishError()
//if (code == "unauthenticated") irrecoverable = false;
if (irrecoverable) {
finishError(Networking::ErrorResponse(this, false, true, json->stringify(true), httpCode));
delete json;
return;
}
pause();
delete json;
_parentStorage->getAccessToken(new Common::Callback<BoxTokenRefresher, Storage::BoolResponse>(this, &BoxTokenRefresher::tokenRefreshed));
return;
}
}
//notify user of success
CurlJsonRequest::finishJson(json);
}
void BoxTokenRefresher::finishError(Networking::ErrorResponse error) {
if (error.httpResponseCode == 401) { // invalid_token
pause();
_parentStorage->getAccessToken(new Common::Callback<BoxTokenRefresher, Storage::BoolResponse>(this, &BoxTokenRefresher::tokenRefreshed));
return;
}
// there are also 400 == invalid_request and 403 == insufficient_scope
// but TokenRefresher is there to refresh token when it's invalid only
Request::finishError(error);
}
void BoxTokenRefresher::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 BoxTokenRefresher::addHeader(Common::String header) {
_headers.push_back(header);
CurlJsonRequest::addHeader(header);
}
} // End of namespace Box
} // End of namespace Cloud
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