CLOUD: Add BoxUploadRequest

1 files changed, 213 insertions, 0 deletions

diff --git a/backends/cloud/box/boxuploadrequest.cpp b/backends/cloud/box/boxuploadrequest.cpp
new file mode 100644
index 0000000000..c94494efac
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+++ b/backends/cloud/box/boxuploadrequest.cpp
@@ -0,0 +1,213 @@
+/* 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/box/boxuploadrequest.h"
+#include "backends/cloud/box/boxstorage.h"
+#include "backends/cloud/box/boxtokenrefresher.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 Box {
+
+BoxUploadRequest::BoxUploadRequest(BoxStorage *storage, Common::String path, Common::String localPath, Storage::UploadCallback callback, Networking::ErrorCallback ecb):
+	Networking::Request(nullptr, ecb), _storage(storage), _savePath(path), _localPath(localPath), _uploadCallback(callback),
+	_workingRequest(nullptr), _ignoreCallback(false) {
+	start();
+}
+
+BoxUploadRequest::~BoxUploadRequest() {
+	_ignoreCallback = true;
+	if (_workingRequest) _workingRequest->finish();
+	delete _uploadCallback;
+}
+
+void BoxUploadRequest::start() {
+	_ignoreCallback = true;
+	if (_workingRequest) _workingRequest->finish();
+	_resolvedId = ""; //used to update file contents
+	_parentId = ""; //used to create file within parent directory
+	_ignoreCallback = false;
+
+	resolveId();
+}
+
+void BoxUploadRequest::resolveId() {
+	//check whether such file already exists
+	Storage::UploadCallback innerCallback = new Common::Callback<BoxUploadRequest, Storage::UploadResponse>(this, &BoxUploadRequest::idResolvedCallback);
+	Networking::ErrorCallback innerErrorCallback = new Common::Callback<BoxUploadRequest, Networking::ErrorResponse>(this, &BoxUploadRequest::idResolveFailedCallback);
+	_workingRequest = _storage->resolveFileId(_savePath, innerCallback, innerErrorCallback);
+}
+
+void BoxUploadRequest::idResolvedCallback(Storage::UploadResponse response) {
+	_workingRequest = nullptr;
+	if (_ignoreCallback) return;
+	_resolvedId = response.value.id();
+	upload();
+}
+
+void BoxUploadRequest::idResolveFailedCallback(Networking::ErrorResponse error) {
+	_workingRequest = nullptr;
+	if (_ignoreCallback) return;
+
+	//not resolved => error or no such file
+	if (error.response.contains("no such file found in its parent directory")) {
+		//parent's id after the '\n'
+		Common::String parentId = error.response;
+		for (uint32 i = 0; i < parentId.size(); ++i)
+			if (parentId[i] == '\n') {
+				parentId.erase(0, i + 1);
+				break;
+			}
+
+		_parentId = parentId;
+		upload();
+		return;
+	}
+
+	finishError(error);
+}
+
+void BoxUploadRequest::upload() {
+	Common::String name = _savePath;
+	for (uint32 i = name.size(); i > 0; --i) {
+		if (name[i - 1] == '/' || name[i - 1] == '\\') {
+			name.erase(0, i);
+			break;
+		}
+	}
+
+	Common::String url = "https://upload.box.com/api/2.0/files";
+	if (_resolvedId != "") url += "/" + _resolvedId;
+	url += "/content";
+	Networking::JsonCallback callback = new Common::Callback<BoxUploadRequest, Networking::JsonResponse>(this, &BoxUploadRequest::uploadedCallback);
+	Networking::ErrorCallback failureCallback = new Common::Callback<BoxUploadRequest, Networking::ErrorResponse>(this, &BoxUploadRequest::notUploadedCallback);
+	Networking::CurlJsonRequest *request = new BoxTokenRefresher(_storage, callback, failureCallback, url.c_str());
+	request->addHeader("Authorization: Bearer " + _storage->accessToken());
+
+	Common::JSONObject jsonRequestParameters;
+	if (_resolvedId == "") {
+		Common::JSONObject parentObject;
+		parentObject.setVal("id", new Common::JSONValue(_parentId));
+		jsonRequestParameters.setVal("parent", new Common::JSONValue(parentObject));
+		jsonRequestParameters.setVal("name", new Common::JSONValue(name));
+	}
+
+	Common::JSONValue value(jsonRequestParameters);
+	request->addFormField("attributes", Common::JSON::stringify(&value));
+	request->addFormFile("file", _localPath);
+
+	_workingRequest = ConnMan.addRequest(request);
+}
+
+void BoxUploadRequest::uploadedCallback(Networking::JsonResponse response) {	
+	_workingRequest = nullptr;
+	if (_ignoreCallback) return;
+		
+	Networking::ErrorResponse error(this, false, true, "", -1);
+	Networking::CurlJsonRequest *rq = (Networking::CurlJsonRequest *)response.request;	
+	if (rq) {
+		const Networking::NetworkReadStream *stream = rq->getNetworkReadStream();
+		if (stream) {
+			long code = stream->httpResponseCode();
+			error.httpResponseCode = code;
+		}
+	}
+
+	if (error.httpResponseCode != 200 && error.httpResponseCode != 201)
+		warning("looks like an error");
+
+	Common::JSONValue *json = response.value;
+	if (json) {
+		if (json->isObject()) {
+			Common::JSONObject object = json->asObject();
+			if (object.contains("entries") && object.getVal("entries")->isArray()) {
+				Common::JSONArray entries = object.getVal("entries")->asArray();
+				if (entries.size() > 0) {
+					Common::JSONObject entry = entries[0]->asObject();
+
+					//finished
+					Common::String id = entry.getVal("id")->asString();
+					Common::String name = entry.getVal("name")->asString();
+					bool isDirectory = (entry.getVal("type")->asString() == "folder");
+					uint32 size = 0, timestamp = 0;
+					if (entry.contains("size")) {
+						if (entry.getVal("size")->isString())
+							size = entry.getVal("size")->asString().asUint64();
+						else if (entry.getVal("size")->isIntegerNumber())
+							size = entry.getVal("size")->asIntegerNumber();
+						else
+							warning("strange type for field 'size'");
+					}
+					if (entry.contains("modified_at") && entry.getVal("modified_at")->isString())
+						timestamp = ISO8601::convertToTimestamp(entry.getVal("modified_at")->asString());
+
+					//as we list directory by id, we can't determine full path for the file, so we leave it empty
+					finishUpload(StorageFile(id, _savePath, name, size, timestamp, isDirectory));
+					return;
+				}
+			}
+
+			//TODO: check errors
+			/*
+			if (object.contains("error")) {
+				warning("Box returned error: %s", json->stringify(true).c_str());
+				delete json;
+				error.response = json->stringify(true);
+				finishError(error);
+				return;
+			}
+			*/
+		}
+
+		warning("no file info to return");
+		finishUpload(StorageFile(_savePath, 0, 0, false));
+	} else {
+		warning("null, not json");
+		finishError(error);
+	}
+
+	delete json;
+}
+
+void BoxUploadRequest::notUploadedCallback(Networking::ErrorResponse error) {	
+	_workingRequest = nullptr;
+	if (_ignoreCallback) return;
+	finishError(error);
+}
+
+void BoxUploadRequest::handle() {}
+
+void BoxUploadRequest::restart() { start(); }
+
+void BoxUploadRequest::finishUpload(StorageFile file) {
+	Request::finishSuccess();
+	if (_uploadCallback) (*_uploadCallback)(Storage::UploadResponse(this, file));
+}
+
+} // End of namespace Box
+} // End of namespace Cloud