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Diffstat (limited to 'backends/cloud/dropbox/dropboxlistdirectoryrequest.cpp')
| -rw-r--r-- | backends/cloud/dropbox/dropboxlistdirectoryrequest.cpp | 223 |
1 files changed, 223 insertions, 0 deletions
diff --git a/backends/cloud/dropbox/dropboxlistdirectoryrequest.cpp b/backends/cloud/dropbox/dropboxlistdirectoryrequest.cpp new file mode 100644 index 0000000000..0b90ec6d2c --- /dev/null +++ b/backends/cloud/dropbox/dropboxlistdirectoryrequest.cpp @@ -0,0 +1,223 @@ +/* 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/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 { + +#define DROPBOX_API_LIST_FOLDER "https://api.dropboxapi.com/2/files/list_folder" +#define DROPBOX_API_LIST_FOLDER_CONTINUE "https://api.dropboxapi.com/2/files/list_folder/continue" + +DropboxListDirectoryRequest::DropboxListDirectoryRequest(Common::String token, Common::String path, Storage::ListDirectoryCallback cb, Networking::ErrorCallback ecb, bool recursive): + Networking::Request(nullptr, ecb), _requestedPath(path), _requestedRecursive(recursive), _listDirectoryCallback(cb), + _token(token), _workingRequest(nullptr), _ignoreCallback(false) { + start(); +} + +DropboxListDirectoryRequest::~DropboxListDirectoryRequest() { + _ignoreCallback = true; + if (_workingRequest) + _workingRequest->finish(); + delete _listDirectoryCallback; +} + +void DropboxListDirectoryRequest::start() { + _ignoreCallback = true; + if (_workingRequest) + _workingRequest->finish(); + _files.clear(); + _ignoreCallback = false; + + Networking::JsonCallback callback = new Common::Callback<DropboxListDirectoryRequest, Networking::JsonResponse>(this, &DropboxListDirectoryRequest::responseCallback); + Networking::ErrorCallback failureCallback = new Common::Callback<DropboxListDirectoryRequest, Networking::ErrorResponse>(this, &DropboxListDirectoryRequest::errorCallback); + Networking::CurlJsonRequest *request = new Networking::CurlJsonRequest(callback, failureCallback, DROPBOX_API_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)); + + _workingRequest = ConnMan.addRequest(request); +} + +void DropboxListDirectoryRequest::responseCallback(Networking::JsonResponse response) { + _workingRequest = nullptr; + + if (_ignoreCallback) { + delete response.value; + return; + } + + if (response.request) + _date = response.request->date(); + + Networking::ErrorResponse error(this); + Networking::CurlJsonRequest *rq = (Networking::CurlJsonRequest *)response.request; + if (rq && rq->getNetworkReadStream()) + error.httpResponseCode = rq->getNetworkReadStream()->httpResponseCode(); + + Common::JSONValue *json = response.value; + if (json == nullptr) { + error.response = "Failed to parse JSON, null passed!"; + finishError(error); + return; + } + + if (!json->isObject()) { + error.response = "Passed JSON is not an object!"; + finishError(error); + delete json; + return; + } + + Common::JSONObject responseObject = json->asObject(); + + if (responseObject.contains("error") || responseObject.contains("error_summary")) { + if (responseObject.contains("error_summary") && responseObject.getVal("error_summary")->isString()) { + warning("Dropbox returned error: %s", responseObject.getVal("error_summary")->asString().c_str()); + } + error.failed = true; + error.response = json->stringify(); + finishError(error); + delete json; + return; + } + + //check that ALL keys exist AND HAVE RIGHT TYPE to avoid segfaults + if (responseObject.contains("entries")) { + if (!responseObject.getVal("entries")->isArray()) { + error.response = Common::String::format( + "\"entries\" found, but that's not an array!\n%s", + responseObject.getVal("entries")->stringify(true).c_str() + ); + finishError(error); + delete json; + return; + } + + Common::JSONArray items = responseObject.getVal("entries")->asArray(); + for (uint32 i = 0; i < items.size(); ++i) { + if (!Networking::CurlJsonRequest::jsonIsObject(items[i], "DropboxListDirectoryRequest")) + continue; + + Common::JSONObject item = items[i]->asObject(); + + if (!Networking::CurlJsonRequest::jsonContainsString(item, "path_lower", "DropboxListDirectoryRequest")) + continue; + if (!Networking::CurlJsonRequest::jsonContainsString(item, ".tag", "DropboxListDirectoryRequest")) + continue; + + Common::String path = item.getVal("path_lower")->asString(); + bool isDirectory = (item.getVal(".tag")->asString() == "folder"); + uint32 size = 0, timestamp = 0; + if (!isDirectory) { + if (!Networking::CurlJsonRequest::jsonContainsString(item, "server_modified", "DropboxListDirectoryRequest")) + continue; + if (!Networking::CurlJsonRequest::jsonContainsIntegerNumber(item, "size", "DropboxListDirectoryRequest")) + continue; + + size = item.getVal("size")->asIntegerNumber(); + timestamp = ISO8601::convertToTimestamp(item.getVal("server_modified")->asString()); + } + _files.push_back(StorageFile(path, size, timestamp, isDirectory)); + } + } + + bool hasMore = false; + if (responseObject.contains("has_more")) { + if (!responseObject.getVal("has_more")->isBool()) { + warning("DropboxListDirectoryRequest: \"has_more\" is not a boolean"); + debug(9, "%s", responseObject.getVal("has_more")->stringify(true).c_str()); + error.response = "\"has_more\" is not a boolean!"; + finishError(error); + delete json; + return; + } + + hasMore = responseObject.getVal("has_more")->asBool(); + } + + if (hasMore) { + if (!Networking::CurlJsonRequest::jsonContainsString(responseObject, "cursor", "DropboxListDirectoryRequest")) { + error.response = "\"has_more\" found, but \"cursor\" is not (or it's not a string)!"; + finishError(error); + delete json; + return; + } + + Networking::JsonCallback callback = new Common::Callback<DropboxListDirectoryRequest, Networking::JsonResponse>(this, &DropboxListDirectoryRequest::responseCallback); + Networking::ErrorCallback failureCallback = new Common::Callback<DropboxListDirectoryRequest, Networking::ErrorResponse>(this, &DropboxListDirectoryRequest::errorCallback); + Networking::CurlJsonRequest *request = new Networking::CurlJsonRequest(callback, failureCallback, DROPBOX_API_LIST_FOLDER_CONTINUE); + request->addHeader("Authorization: Bearer " + _token); + request->addHeader("Content-Type: application/json"); + + Common::JSONObject jsonRequestParameters; + jsonRequestParameters.setVal("cursor", new Common::JSONValue(responseObject.getVal("cursor")->asString())); + + Common::JSONValue value(jsonRequestParameters); + request->addPostField(Common::JSON::stringify(&value)); + + _workingRequest = ConnMan.addRequest(request); + } else { + finishListing(_files); + } + + delete json; +} + +void DropboxListDirectoryRequest::errorCallback(Networking::ErrorResponse error) { + _workingRequest = nullptr; + if (_ignoreCallback) + return; + if (error.request) + _date = error.request->date(); + finishError(error); +} + +void DropboxListDirectoryRequest::handle() {} + +void DropboxListDirectoryRequest::restart() { start(); } + +Common::String DropboxListDirectoryRequest::date() const { return _date; } + +void DropboxListDirectoryRequest::finishListing(Common::Array<StorageFile> &files) { + Request::finishSuccess(); + if (_listDirectoryCallback) + (*_listDirectoryCallback)(Storage::ListDirectoryResponse(this, files)); +} + +} // End of namespace Dropbox +} // End of namespace Cloud |