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backends/cloud/box/boxuploadrequest.cpp
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231
backends/cloud/box/boxuploadrequest.cpp
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/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "backends/cloud/box/boxuploadrequest.h"
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#include "backends/cloud/box/boxstorage.h"
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#include "backends/cloud/box/boxtokenrefresher.h"
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#include "backends/cloud/iso8601.h"
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#include "backends/cloud/storage.h"
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#include "backends/networking/http/connectionmanager.h"
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#include "backends/networking/http/httpjsonrequest.h"
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#include "backends/networking/http/networkreadstream.h"
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#include "common/formats/json.h"
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namespace Cloud {
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namespace Box {
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#define BOX_API_FILES "https://upload.box.com/api/2.0/files"
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BoxUploadRequest::BoxUploadRequest(BoxStorage *storage, const Common::String &path, const Common::Path &localPath, Storage::UploadCallback callback, Networking::ErrorCallback ecb):
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Networking::Request(nullptr, ecb), _storage(storage), _savePath(path), _localPath(localPath), _uploadCallback(callback),
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_workingRequest(nullptr), _ignoreCallback(false) {
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start();
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}
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BoxUploadRequest::~BoxUploadRequest() {
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_ignoreCallback = true;
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if (_workingRequest)
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_workingRequest->finish();
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delete _uploadCallback;
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}
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void BoxUploadRequest::start() {
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_ignoreCallback = true;
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if (_workingRequest)
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_workingRequest->finish();
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_resolvedId = ""; //used to update file contents
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_parentId = ""; //used to create file within parent directory
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_ignoreCallback = false;
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resolveId();
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}
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void BoxUploadRequest::resolveId() {
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//check whether such file already exists
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Storage::UploadCallback innerCallback = new Common::Callback<BoxUploadRequest, const Storage::UploadResponse &>(this, &BoxUploadRequest::idResolvedCallback);
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Networking::ErrorCallback innerErrorCallback = new Common::Callback<BoxUploadRequest, const Networking::ErrorResponse &>(this, &BoxUploadRequest::idResolveFailedCallback);
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_workingRequest = _storage->resolveFileId(_savePath, innerCallback, innerErrorCallback);
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}
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void BoxUploadRequest::idResolvedCallback(const Storage::UploadResponse &response) {
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_workingRequest = nullptr;
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if (_ignoreCallback) return;
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_resolvedId = response.value.id();
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upload();
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}
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void BoxUploadRequest::idResolveFailedCallback(const Networking::ErrorResponse &error) {
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_workingRequest = nullptr;
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if (_ignoreCallback) return;
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//not resolved => error or no such file
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if (error.response.contains("no such file found in its parent directory")) {
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//parent's id after the '\n'
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Common::String parentId = error.response;
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for (uint32 i = 0; i < parentId.size(); ++i)
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if (parentId[i] == '\n') {
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parentId.erase(0, i + 1);
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break;
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}
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_parentId = parentId;
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upload();
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return;
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}
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finishError(error);
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}
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void BoxUploadRequest::upload() {
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Common::String name = _savePath;
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for (uint32 i = name.size(); i > 0; --i) {
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if (name[i - 1] == '/' || name[i - 1] == '\\') {
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name.erase(0, i);
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break;
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}
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}
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Common::String url = BOX_API_FILES;
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if (_resolvedId != "")
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url += "/" + _resolvedId;
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url += "/content";
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Networking::JsonCallback callback = new Common::Callback<BoxUploadRequest, const Networking::JsonResponse &>(this, &BoxUploadRequest::uploadedCallback);
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Networking::ErrorCallback failureCallback = new Common::Callback<BoxUploadRequest, const Networking::ErrorResponse &>(this, &BoxUploadRequest::notUploadedCallback);
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Networking::HttpJsonRequest *request = new BoxTokenRefresher(_storage, callback, failureCallback, url.c_str());
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request->addHeader("Authorization: Bearer " + _storage->accessToken());
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Common::JSONObject jsonRequestParameters;
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if (_resolvedId == "") {
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Common::JSONObject parentObject;
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parentObject.setVal("id", new Common::JSONValue(_parentId));
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jsonRequestParameters.setVal("parent", new Common::JSONValue(parentObject));
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jsonRequestParameters.setVal("name", new Common::JSONValue(name));
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}
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Common::JSONValue value(jsonRequestParameters);
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request->addFormField("attributes", Common::JSON::stringify(&value));
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request->addFormFile("file", _localPath);
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_workingRequest = ConnMan.addRequest(request);
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}
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void BoxUploadRequest::uploadedCallback(const Networking::JsonResponse &response) {
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_workingRequest = nullptr;
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if (_ignoreCallback) return;
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Networking::ErrorResponse error(this, false, true, "", -1);
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const Networking::HttpJsonRequest *rq = (const Networking::HttpJsonRequest *)response.request;
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if (rq) {
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const Networking::NetworkReadStream *stream = rq->getNetworkReadStream();
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if (stream) {
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long code = stream->httpResponseCode();
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error.httpResponseCode = code;
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}
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}
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if (error.httpResponseCode != 200 && error.httpResponseCode != 201)
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warning("BoxUploadRequest: looks like an error (bad HTTP code)");
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//check JSON and show warnings if it's malformed
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const Common::JSONValue *json = response.value;
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if (json == nullptr) {
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error.response = "Failed to parse JSON, null passed!";
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finishError(error);
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return;
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}
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if (!json->isObject()) {
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error.response = "Passed JSON is not an object!";
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finishError(error);
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delete json;
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return;
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}
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Common::JSONObject object = json->asObject();
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if (Networking::HttpJsonRequest::jsonContainsArray(object, "entries", "BoxUploadRequest")) {
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Common::JSONArray entries = object.getVal("entries")->asArray();
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if (entries.size() == 0) {
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warning("BoxUploadRequest: 'entries' found, but it's empty");
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} else if (!Networking::HttpJsonRequest::jsonIsObject(entries[0], "BoxUploadRequest")) {
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warning("BoxUploadRequest: 'entries' first item is not an object");
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} else {
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Common::JSONObject item = entries[0]->asObject();
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if (Networking::HttpJsonRequest::jsonContainsString(item, "id", "BoxUploadRequest") &&
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Networking::HttpJsonRequest::jsonContainsString(item, "name", "BoxUploadRequest") &&
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Networking::HttpJsonRequest::jsonContainsString(item, "type", "BoxUploadRequest") &&
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Networking::HttpJsonRequest::jsonContainsString(item, "modified_at", "BoxUploadRequest") &&
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Networking::HttpJsonRequest::jsonContainsStringOrIntegerNumber(item, "size", "BoxUploadRequest")) {
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//finished
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Common::String id = item.getVal("id")->asString();
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Common::String name = item.getVal("name")->asString();
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bool isDirectory = (item.getVal("type")->asString() == "folder");
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uint32 size;
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if (item.getVal("size")->isString()) {
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size = item.getVal("size")->asString().asUint64();
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} else {
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size = item.getVal("size")->asIntegerNumber();
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}
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uint32 timestamp = ISO8601::convertToTimestamp(item.getVal("modified_at")->asString());
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finishUpload(StorageFile(id, _savePath, name, size, timestamp, isDirectory));
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delete json;
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return;
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}
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}
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}
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//TODO: check errors
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/*
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if (object.contains("error")) {
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warning("Box returned error: %s", json->stringify(true).c_str());
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delete json;
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error.response = json->stringify(true);
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finishError(error);
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return;
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}
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*/
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warning("BoxUploadRequest: no file info to return");
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finishUpload(StorageFile(_savePath, 0, 0, false));
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delete json;
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}
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void BoxUploadRequest::notUploadedCallback(const Networking::ErrorResponse &error) {
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_workingRequest = nullptr;
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if (_ignoreCallback) return;
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finishError(error);
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}
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void BoxUploadRequest::handle() {}
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void BoxUploadRequest::restart() { start(); }
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void BoxUploadRequest::finishUpload(const StorageFile &file) {
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Request::finishSuccess();
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if (_uploadCallback)
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(*_uploadCallback)(Storage::UploadResponse(this, file));
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}
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} // End of namespace Box
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} // End of namespace Cloud
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