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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/dropboxlistdirectoryrequest.h"
#include "backends/cloud/iso8601.h"
#include "backends/networking/curl/connectionmanager.h"
#include "backends/networking/curl/curljsonrequest.h"
#include "common/json.h"
#include "backends/cloud/storage.h"
namespace Cloud {
namespace Dropbox {
DropboxListDirectoryRequest::DropboxListDirectoryRequest(Common::String token, Common::String path, Storage::FileArrayCallback cb, bool recursive):
Networking::Request(0), _requestedPath(path), _requestedRecursive(recursive), _filesCallback(cb),
_token(token), _complete(false), _requestId(-1) {
startupWork();
}
void DropboxListDirectoryRequest::startupWork() {
_files.clear();
_complete = false;
Networking::JsonCallback innerCallback = new Common::Callback<DropboxListDirectoryRequest, Networking::RequestJsonPair>(this, &DropboxListDirectoryRequest::responseCallback);
Networking::CurlJsonRequest *request = new Networking::CurlJsonRequest(innerCallback, "https://api.dropboxapi.com/2/files/list_folder");
request->addHeader("Authorization: Bearer " + _token);
request->addHeader("Content-Type: application/json");
Common::JSONObject jsonRequestParameters;
jsonRequestParameters.setVal("path", new Common::JSONValue(_requestedPath));
jsonRequestParameters.setVal("recursive", new Common::JSONValue(_requestedRecursive));
jsonRequestParameters.setVal("include_media_info", new Common::JSONValue(false));
jsonRequestParameters.setVal("include_deleted", new Common::JSONValue(false));
Common::JSONValue value(jsonRequestParameters);
request->addPostField(Common::JSON::stringify(&value));
_requestId = ConnMan.addRequest(request);
}
void DropboxListDirectoryRequest::responseCallback(Networking::RequestJsonPair pair) {
Common::JSONValue *json = pair.value;
if (json) {
Common::JSONObject response = json->asObject();
if (response.contains("error") || response.contains("error_summary")) {
warning("Dropbox returned error: %s", response.getVal("error_summary")->asString().c_str());
_complete = true;
delete json;
return;
}
//TODO: check that all keys exist to avoid segfaults
//TODO: get more files in the folder to check "has_more" case
Common::JSONArray items = response.getVal("entries")->asArray();
for (uint32 i = 0; i < items.size(); ++i) {
Common::JSONObject item = items[i]->asObject();
Common::String path = item.getVal("path_lower")->asString();
bool isDirectory = (item.getVal(".tag")->asString() == "folder");
uint32 size = 0, timestamp = 0;
if (!isDirectory) {
size = item.getVal("size")->asNumber();
timestamp = ISO8601::convertToTimestamp(item.getVal("server_modified")->asString());
}
_files.push_back(StorageFile(path, size, timestamp, isDirectory));
}
bool hasMore = response.getVal("has_more")->asBool();
if (hasMore) {
Networking::JsonCallback innerCallback = new Common::Callback<DropboxListDirectoryRequest, Networking::RequestJsonPair>(this, &DropboxListDirectoryRequest::responseCallback);
Networking::CurlJsonRequest *request = new Networking::CurlJsonRequest(innerCallback, "https://api.dropboxapi.com/2/files/list_folder/continue");
request->addHeader("Authorization: Bearer " + _token);
request->addHeader("Content-Type: application/json");
Common::JSONObject jsonRequestParameters;
jsonRequestParameters.setVal("cursor", new Common::JSONValue(response.getVal("cursor")->asString()));
Common::JSONValue value(jsonRequestParameters);
request->addPostField(Common::JSON::stringify(&value));
ConnMan.addRequest(request);
} else {
_complete = true;
}
} else {
warning("null, not json");
_complete = true;
}
delete json;
}
void DropboxListDirectoryRequest::handle() {
if (_complete) {
ConnMan.getRequestInfo(_id).state = Networking::FINISHED;
if (_filesCallback) (*_filesCallback)(Storage::RequestFileArrayPair(_id, _files));
}
}
void DropboxListDirectoryRequest::restart() {
if (_requestId != -1) {
Networking::RequestInfo &info = ConnMan.getRequestInfo(_requestId);
//TODO: I'm really not sure some CurlRequest would handle this (it must stop corresponding CURL transfer)
info.state = Networking::FINISHED; //may be CANCELED or INTERRUPTED or something?
_requestId = -1;
}
startupWork();
}
} //end of namespace Dropbox
} //end of namespace Cloud
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