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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 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/>.
*
*/
#include "backends/cloud/googledrive/googledrivelistdirectorybyidrequest.h"
#include "backends/cloud/googledrive/googledrivestorage.h"
#include "backends/cloud/iso8601.h"
#include "backends/cloud/storage.h"
#include "backends/networking/curl/connectionmanager.h"
#include "backends/networking/curl/curljsonrequest.h"
#include "backends/networking/curl/networkreadstream.h"
#include "common/formats/json.h"
#include "googledrivetokenrefresher.h"
namespace Cloud {
namespace GoogleDrive {
#define GOOGLEDRIVE_API_FILES "https://www.googleapis.com/drive/v3/files?spaces=drive&fields=files%28id,mimeType,modifiedTime,name,size%29,nextPageToken&orderBy=folder,name"
//files(id,mimeType,modifiedTime,name,size),nextPageToken
GoogleDriveListDirectoryByIdRequest::GoogleDriveListDirectoryByIdRequest(GoogleDriveStorage *storage, const Common::String &id, Storage::ListDirectoryCallback cb, Networking::ErrorCallback ecb):
Networking::Request(nullptr, ecb), _requestedId(id), _storage(storage), _listDirectoryCallback(cb),
_workingRequest(nullptr), _ignoreCallback(false) {
start();
}
GoogleDriveListDirectoryByIdRequest::~GoogleDriveListDirectoryByIdRequest() {
_ignoreCallback = true;
if (_workingRequest)
_workingRequest->finish();
delete _listDirectoryCallback;
}
void GoogleDriveListDirectoryByIdRequest::start() {
_ignoreCallback = true;
if (_workingRequest)
_workingRequest->finish();
_files.clear();
_ignoreCallback = false;
makeRequest("");
}
void GoogleDriveListDirectoryByIdRequest::makeRequest(const Common::String &pageToken) {
Common::String url = GOOGLEDRIVE_API_FILES;
if (pageToken != "")
url += "&pageToken=" + pageToken;
url += "&q=%27" + _requestedId + "%27+in+parents";
Networking::JsonCallback callback = new Common::Callback<GoogleDriveListDirectoryByIdRequest, const Networking::JsonResponse &>(this, &GoogleDriveListDirectoryByIdRequest::responseCallback);
Networking::ErrorCallback failureCallback = new Common::Callback<GoogleDriveListDirectoryByIdRequest, const Networking::ErrorResponse &>(this, &GoogleDriveListDirectoryByIdRequest::errorCallback);
Networking::CurlJsonRequest *request = new GoogleDriveTokenRefresher(_storage, callback, failureCallback, url.c_str());
request->addHeader("Authorization: Bearer " + _storage->accessToken());
_workingRequest = ConnMan.addRequest(request);
}
void GoogleDriveListDirectoryByIdRequest::responseCallback(const Networking::JsonResponse &response) {
_workingRequest = nullptr;
if (_ignoreCallback) {
delete response.value;
return;
}
if (response.request)
_date = response.request->date();
Networking::ErrorResponse error(this, "GoogleDriveListDirectoryByIdRequest::responseCallback");
const Networking::CurlJsonRequest *rq = (const Networking::CurlJsonRequest *)response.request;
if (rq && rq->getNetworkReadStream())
error.httpResponseCode = rq->getNetworkReadStream()->httpResponseCode();
const Common::JSONValue *json = response.value;
if (json) {
Common::JSONObject responseObject = json->asObject();
///debug("%s", json->stringify(true).c_str());
if (responseObject.contains("error") || responseObject.contains("error_summary")) {
warning("GoogleDrive returned error: %s", responseObject.getVal("error_summary")->asString().c_str());
error.failed = true;
error.response = json->stringify();
finishError(error);
delete json;
return;
}
//TODO: check that ALL keys exist AND HAVE RIGHT TYPE to avoid segfaults
if (responseObject.contains("files") && responseObject.getVal("files")->isArray()) {
Common::JSONArray items = responseObject.getVal("files")->asArray();
for (uint32 i = 0; i < items.size(); ++i) {
Common::JSONObject item = items[i]->asObject();
Common::String id = item.getVal("id")->asString();
Common::String name = item.getVal("name")->asString();
bool isDirectory = (item.getVal("mimeType")->asString() == "application/vnd.google-apps.folder");
uint32 size = 0, timestamp = 0;
if (item.contains("size") && item.getVal("size")->isString())
size = item.getVal("size")->asString().asUint64();
if (item.contains("modifiedTime") && item.getVal("modifiedTime")->isString())
timestamp = ISO8601::convertToTimestamp(item.getVal("modifiedTime")->asString());
//as we list directory by id, we can't determine full path for the file, so we leave it empty
_files.push_back(StorageFile(id, "", name, size, timestamp, isDirectory));
}
}
bool hasMore = (responseObject.contains("nextPageToken"));
if (hasMore) {
Common::String token = responseObject.getVal("nextPageToken")->asString();
makeRequest(token);
} else {
finishListing(_files);
}
} else {
warning("null, not json");
error.failed = true;
finishError(error);
}
delete json;
}
void GoogleDriveListDirectoryByIdRequest::errorCallback(const Networking::ErrorResponse &error) {
_workingRequest = nullptr;
if (_ignoreCallback)
return;
if (error.request)
_date = error.request->date();
finishError(error);
}
void GoogleDriveListDirectoryByIdRequest::handle() {}
void GoogleDriveListDirectoryByIdRequest::restart() { start(); }
Common::String GoogleDriveListDirectoryByIdRequest::date() const { return _date; }
void GoogleDriveListDirectoryByIdRequest::finishListing(Common::Array<StorageFile> &files) {
Request::finishSuccess();
if (_listDirectoryCallback)
(*_listDirectoryCallback)(Storage::ListDirectoryResponse(this, files));
}
} // End of namespace GoogleDrive
} // End of namespace Cloud
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