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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/dropbox/dropboxuploadrequest.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/json.h"
#include "common/debug.h"
namespace Cloud {
namespace Dropbox {
DropboxUploadRequest::DropboxUploadRequest(Common::String token, Common::String path, Common::SeekableReadStream *contents, Storage::UploadCallback callback, Networking::ErrorCallback ecb):
Networking::Request(nullptr, ecb), _token(token), _savePath(path), _contentsStream(contents), _uploadCallback(callback),
_workingRequest(nullptr), _ignoreCallback(false) {
start();
}
DropboxUploadRequest::~DropboxUploadRequest() {
_ignoreCallback = true;
if (_workingRequest) _workingRequest->finish();
delete _contentsStream;
delete _uploadCallback;
}
void DropboxUploadRequest::start() {
_ignoreCallback = true;
if (_workingRequest) _workingRequest->finish();
if (!_contentsStream) {
warning("DropboxUploadRequest: cannot start because stream is invalid");
finishError(Networking::ErrorResponse(this, false, true, "", -1));
return;
}
if (!_contentsStream->seek(0)) {
warning("DropboxUploadRequest: cannot restart because stream couldn't seek(0)");
finishError(Networking::ErrorResponse(this, false, true, "", -1));
}
_ignoreCallback = false;
uploadNextPart();
}
void DropboxUploadRequest::uploadNextPart() {
const uint32 UPLOAD_PER_ONE_REQUEST = 10 * 1024 * 1024;
Common::String url = "https://content.dropboxapi.com/2/files/upload_session/";
Common::JSONObject jsonRequestParameters;
if (_contentsStream->pos() == 0 || _sessionId == "") {
if (_contentsStream->size() <= UPLOAD_PER_ONE_REQUEST) {
url = "https://content.dropboxapi.com/2/files/upload";
jsonRequestParameters.setVal("path", new Common::JSONValue(_savePath));
jsonRequestParameters.setVal("mode", new Common::JSONValue("overwrite"));
jsonRequestParameters.setVal("autorename", new Common::JSONValue(false));
jsonRequestParameters.setVal("mute", new Common::JSONValue(false));
} else {
url += "start";
jsonRequestParameters.setVal("close", new Common::JSONValue(false));
}
} else {
if (_contentsStream->size() - _contentsStream->pos() <= UPLOAD_PER_ONE_REQUEST) {
url += "finish";
Common::JSONObject jsonCursor, jsonCommit;
jsonCursor.setVal("session_id", new Common::JSONValue(_sessionId));
jsonCursor.setVal("offset", new Common::JSONValue((long long int)_contentsStream->pos()));
jsonCommit.setVal("path", new Common::JSONValue(_savePath));
jsonCommit.setVal("mode", new Common::JSONValue("overwrite"));
jsonCommit.setVal("autorename", new Common::JSONValue(false));
jsonCommit.setVal("mute", new Common::JSONValue(false));
jsonRequestParameters.setVal("cursor", new Common::JSONValue(jsonCursor));
jsonRequestParameters.setVal("commit", new Common::JSONValue(jsonCommit));
} else {
url += "append_v2";
Common::JSONObject jsonCursor;
jsonCursor.setVal("session_id", new Common::JSONValue(_sessionId));
jsonCursor.setVal("offset", new Common::JSONValue((long long int)_contentsStream->pos()));
jsonRequestParameters.setVal("cursor", new Common::JSONValue(jsonCursor));
jsonRequestParameters.setVal("close", new Common::JSONValue(false));
}
}
Common::JSONValue value(jsonRequestParameters);
Networking::JsonCallback callback = new Common::Callback<DropboxUploadRequest, Networking::JsonResponse>(this, &DropboxUploadRequest::partUploadedCallback);
Networking::ErrorCallback failureCallback = new Common::Callback<DropboxUploadRequest, Networking::ErrorResponse>(this, &DropboxUploadRequest::partUploadedErrorCallback);
Networking::CurlJsonRequest *request = new Networking::CurlJsonRequest(callback, failureCallback, url);
request->addHeader("Authorization: Bearer " + _token);
request->addHeader("Content-Type: application/octet-stream");
request->addHeader("Dropbox-API-Arg: " + Common::JSON::stringify(&value));
byte *buffer = new byte[UPLOAD_PER_ONE_REQUEST];
uint32 size = _contentsStream->read(buffer, UPLOAD_PER_ONE_REQUEST);
request->setBuffer(buffer, size);
_workingRequest = ConnMan.addRequest(request);
}
void DropboxUploadRequest::partUploadedCallback(Networking::JsonResponse response) {
debug("partUploadedCallback");
_workingRequest = nullptr;
if (_ignoreCallback) return;
Networking::ErrorResponse error(this, false, true, "", -1);
Networking::CurlJsonRequest *rq = (Networking::CurlJsonRequest *)response.request;
if (rq && rq->getNetworkReadStream())
error.httpResponseCode = rq->getNetworkReadStream()->httpResponseCode();
Common::JSONValue *json = response.value;
if (json) {
bool needsFinishRequest = false;
if (json->isObject()) {
Common::JSONObject object = json->asObject();
//debug("%s", json->stringify(true).c_str());
if (object.contains("error") || object.contains("error_summary")) {
warning("Dropbox returned error: %s", object.getVal("error_summary")->asString().c_str());
delete json;
error.response = json->stringify(true);
finishError(error);
return;
}
if (object.contains("server_modified")) {
//finished
Common::String path = object.getVal("path_lower")->asString();
uint32 size = object.getVal("size")->asIntegerNumber();
uint32 timestamp = ISO8601::convertToTimestamp(object.getVal("server_modified")->asString());
finishSuccess(StorageFile(path, size, timestamp, false));
return;
}
if (_sessionId == "") {
if (object.contains("session_id"))
_sessionId = object.getVal("session_id")->asString();
else
warning("no session_id found in Dropbox's response");
needsFinishRequest = true;
}
}
if (!needsFinishRequest && (_contentsStream->eos() || _contentsStream->pos() >= _contentsStream->size() - 1)) {
warning("no file info to return");
finishSuccess(StorageFile(_savePath, 0, 0, false));
} else {
uploadNextPart();
}
} else {
warning("null, not json");
finishError(error);
}
delete json;
}
void DropboxUploadRequest::partUploadedErrorCallback(Networking::ErrorResponse error) {
debug("partUploadedErrorCallback");
_workingRequest = nullptr;
if (_ignoreCallback) return;
finishError(error);
}
void DropboxUploadRequest::handle() {}
void DropboxUploadRequest::restart() { start(); }
void DropboxUploadRequest::finishSuccess(StorageFile file) {
Request::finishSuccess();
if (_uploadCallback) (*_uploadCallback)(Storage::UploadResponse(this, file));
}
} // End of namespace Dropbox
} // End of namespace Cloud
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