708 lines
25 KiB
JavaScript
708 lines
25 KiB
JavaScript
define([
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"jquery",
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"core",
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"utils",
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"extensionMgr",
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"classes/AsyncTask"
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], function($, core, utils, extensionMgr, AsyncTask) {
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var connected = false;
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var authenticated = false;
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var googleHelper = {};
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// Try to connect Gdrive by downloading client.js
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function connect(task) {
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task.onRun(function() {
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if(core.isOffline === true) {
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connected = false;
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task.error(new Error("Operation not available in offline mode.|stopPublish"));
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return;
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}
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if(connected === true) {
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task.chain();
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return;
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}
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delayedFunction = function() {
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gapi.load("client,drive-realtime", function() {
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connected = true;
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task.chain();
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});
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};
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$.ajax({
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url: "https://apis.google.com/js/api.js?onload=runDelayedFunction",
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dataType: "script",
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timeout: AJAX_TIMEOUT
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}).fail(function(jqXHR) {
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var error = {
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code: jqXHR.status,
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message: jqXHR.statusText
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};
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handleError(error, task);
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});
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});
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}
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// Try to authenticate with Oauth
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function authenticate(task) {
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task.onRun(function() {
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if(authenticated === true) {
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task.chain();
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return;
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}
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var immediate = true;
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function localAuthenticate() {
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if(immediate === false) {
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extensionMgr.onMessage("Please make sure the Google authorization popup is not blocked by your browser.");
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// If not immediate we add time for user to enter his
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// credentials
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task.timeout = ASYNC_TASK_LONG_TIMEOUT;
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}
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gapi.auth.authorize({
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'client_id': GOOGLE_CLIENT_ID,
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'scope': GOOGLE_SCOPES,
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'immediate': immediate
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}, function(authResult) {
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gapi.client.load('drive', 'v2', function() {
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if(!authResult || authResult.error) {
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// If immediate did not work retry without immediate
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// flag
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if(connected === true && immediate === true) {
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immediate = false;
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task.chain(localAuthenticate);
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return;
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}
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// Error
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task.error(new Error("Access to Google account is not authorized."));
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return;
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}
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// Success
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authenticated = true;
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task.chain();
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});
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});
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}
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task.chain(localAuthenticate);
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});
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}
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googleHelper.forceAuthenticate = function() {
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authenticated = false;
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var task = new AsyncTask();
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connect(task);
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authenticate(task);
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task.enqueue();
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};
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googleHelper.upload = function(fileId, parentId, title, content, etag, callback) {
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var result = undefined;
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var task = new AsyncTask();
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connect(task);
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authenticate(task);
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task.onRun(function() {
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var boundary = '-------314159265358979323846';
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var delimiter = "\r\n--" + boundary + "\r\n";
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var close_delim = "\r\n--" + boundary + "--";
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var contentType = 'text/x-markdown';
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var metadata = {
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title: title,
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mimeType: contentType
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};
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if(parentId !== undefined) {
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// Specify the directory
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metadata.parents = [
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{
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kind: 'drive#fileLink',
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id: parentId
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}
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];
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}
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var path = '/upload/drive/v2/files';
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var method = 'POST';
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if(fileId !== undefined) {
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// If it's an update
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path += "/" + fileId;
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method = 'PUT';
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}
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var headers = {
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'Content-Type': 'multipart/mixed; boundary="' + boundary + '"',
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};
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// Sometimes we have error 412 from Google even with the correct
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// etag
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// if(etag !== undefined) {
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// headers["If-Match"] = etag;
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// }
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var base64Data = utils.encodeBase64(content);
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var multipartRequestBody = [
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delimiter,
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'Content-Type: application/json\r\n\r\n',
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JSON.stringify(metadata),
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delimiter,
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'Content-Type: ',
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contentType,
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'\r\n',
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'Content-Transfer-Encoding: base64\r\n',
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'\r\n',
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base64Data,
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close_delim
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].join("");
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var request = gapi.client.request({
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'path': path,
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'method': method,
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'params': {
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'uploadType': 'multipart',
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},
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'headers': headers,
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'body': multipartRequestBody,
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});
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request.execute(function(response) {
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if(response && response.id) {
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// Upload success
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result = response;
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result.content = content;
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task.chain();
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return;
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}
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var error = response.error;
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// Handle error
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if(error !== undefined && fileId !== undefined) {
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if(error.code === 404) {
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error = 'File ID "' + fileId + '" not found on Google Drive.|removePublish';
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}
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else if(error.code === 412) {
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// We may have missed a file update
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localStorage.removeItem("gdrive.lastChangeId");
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error = 'Conflict on file ID "' + fileId + '". Please restart the synchronization.';
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}
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}
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handleError(error, task);
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});
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});
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task.onSuccess(function() {
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callback(undefined, result);
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});
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task.onError(function(error) {
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callback(error);
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});
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task.enqueue();
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};
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googleHelper.createRealtimeFile = function(parentId, title, callback) {
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var result = undefined;
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var task = new AsyncTask();
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connect(task);
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authenticate(task);
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task.onRun(function() {
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var metadata = {
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title: title,
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mimeType: 'application/vnd.google-apps.drive-sdk',
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};
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if(parentId !== undefined) {
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// Specify the directory
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metadata.parents = [
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{
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kind: 'drive#fileLink',
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id: parentId
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}
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];
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}
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var request = gapi.client.drive.files.insert({
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'resource': metadata
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});
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request.execute(function(response) {
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if(response && response.id) {
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// Upload success
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result = response;
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task.chain();
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return;
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}
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handleError(response.error, task);
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});
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});
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task.onSuccess(function() {
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callback(undefined, result);
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});
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task.onError(function(error) {
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callback(error);
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});
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task.enqueue();
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};
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googleHelper.uploadImg = function(name, content, albumId, callback) {
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var result = undefined;
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var task = new AsyncTask();
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connect(task);
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authenticate(task);
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task.onRun(function() {
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var headers = {
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"Slug": name
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};
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if(name.match(/.jpe?g$/)) {
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headers["Content-Type"] = "image/jpeg";
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}
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else if(name.match(/.png$/)) {
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headers["Content-Type"] = "image/png";
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}
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else if(name.match(/.gif$/)) {
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headers["Content-Type"] = "image/gif";
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}
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var token = gapi.auth.getToken();
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if(token) {
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headers.Authorization = "Bearer " + token.access_token;
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}
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$.ajax({
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url: PICASA_PROXY_URL + "upload/" + albumId,
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headers: headers,
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data: content,
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processData: false,
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dataType: "xml",
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timeout: AJAX_TIMEOUT,
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type: "POST"
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}).done(function(data, textStatus, jqXHR) {
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result = data;
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task.chain();
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}).fail(function(jqXHR) {
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var error = {
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code: jqXHR.status,
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message: jqXHR.statusText
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};
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if(error.code == 200) {
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error.message = jqXHR.responseText;
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}
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handleError(error, task);
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});
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});
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task.onSuccess(function() {
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callback(undefined, result);
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});
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task.onError(function(error) {
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callback(error);
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});
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task.enqueue();
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};
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googleHelper.checkChanges = function(lastChangeId, callback) {
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var changes = [];
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var newChangeId = lastChangeId || 0;
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var task = new AsyncTask();
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connect(task);
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authenticate(task);
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task.onRun(function() {
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var nextPageToken = undefined;
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function retrievePageOfChanges() {
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var request = undefined;
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if(nextPageToken === undefined) {
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request = gapi.client.drive.changes.list({
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'startChangeId': newChangeId + 1
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});
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}
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else {
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request = gapi.client.drive.changes.list({
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'pageToken': nextPageToken
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});
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}
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request.execute(function(response) {
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if(!response || !response.largestChangeId) {
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// Handle error
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handleError(response.error, task);
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return;
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}
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// Retrieve success
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newChangeId = response.largestChangeId;
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nextPageToken = response.nextPageToken;
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if(response.items !== undefined) {
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changes = changes.concat(response.items);
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}
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if(nextPageToken !== undefined) {
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task.chain(retrievePageOfChanges);
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}
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else {
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task.chain();
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}
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});
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}
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task.chain(retrievePageOfChanges);
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});
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task.onSuccess(function() {
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callback(undefined, changes, newChangeId);
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});
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task.onError(function(error) {
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callback(error);
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});
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task.enqueue();
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};
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googleHelper.downloadMetadata = function(ids, callback, skipAuth) {
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var result = [];
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var task = new AsyncTask();
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connect(task);
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if(!skipAuth) {
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authenticate(task);
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}
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task.onRun(function() {
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function recursiveDownloadMetadata() {
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if(ids.length === 0) {
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task.chain();
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return;
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}
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var id = ids[0];
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var headers = {};
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var token = gapi.auth.getToken();
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if(token) {
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headers.Authorization = "Bearer " + token.access_token;
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}
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$.ajax({
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url: "https://www.googleapis.com/drive/v2/files/" + id,
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headers: headers,
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data: {
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key: GOOGLE_API_KEY
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},
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dataType: "json",
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timeout: AJAX_TIMEOUT
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}).done(function(data, textStatus, jqXHR) {
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result.push(data);
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ids.shift();
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task.chain(recursiveDownloadMetadata);
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}).fail(function(jqXHR) {
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var error = {
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code: jqXHR.status,
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message: jqXHR.statusText
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};
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// Handle error
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if(error.code === 404) {
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error = 'File ID "' + id + '" not found on Google Drive.';
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}
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handleError(error, task);
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});
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}
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task.chain(recursiveDownloadMetadata);
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});
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task.onSuccess(function() {
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callback(undefined, result);
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});
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task.onError(function(error) {
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callback(error);
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});
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task.enqueue();
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};
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googleHelper.downloadContent = function(objects, callback, skipAuth) {
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var result = [];
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var task = new AsyncTask();
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// Add some time for user to choose his files
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task.timeout = ASYNC_TASK_LONG_TIMEOUT;
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connect(task);
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if(!skipAuth) {
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authenticate(task);
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}
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task.onRun(function() {
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function recursiveDownloadContent() {
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if(objects.length === 0) {
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task.chain();
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return;
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}
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var object = objects[0];
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result.push(object);
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var file = undefined;
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// object may be a file
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if(object.kind == "drive#file") {
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file = object;
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}
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// object may be a change
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else if(object.kind == "drive#change") {
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file = object.file;
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}
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if(!file) {
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objects.shift();
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task.chain(recursiveDownloadContent);
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return;
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}
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// if file is a real time document
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if(file.mimeType.indexOf("application/vnd.google-apps.drive-sdk") === 0) {
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file.content = "";
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file.isRealtime = true;
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objects.shift();
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task.chain(recursiveDownloadContent);
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return;
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}
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var headers = {};
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var token = gapi.auth.getToken();
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if(token) {
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headers.Authorization = "Bearer " + token.access_token;
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}
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$.ajax({
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url: file.downloadUrl,
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headers: headers,
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data: {
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key: GOOGLE_API_KEY
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},
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dataType: "text",
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timeout: AJAX_TIMEOUT
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}).done(function(data, textStatus, jqXHR) {
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file.content = data;
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objects.shift();
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task.chain(recursiveDownloadContent);
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}).fail(function(jqXHR) {
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var error = {
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code: jqXHR.status,
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message: jqXHR.statusText
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};
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// Handle error
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handleError(error, task);
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});
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}
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task.chain(recursiveDownloadContent);
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});
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task.onSuccess(function() {
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callback(undefined, result);
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});
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task.onError(function(error) {
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callback(error);
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});
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task.enqueue();
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};
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googleHelper.loadRealtime = function(fileId, content, callback, errorCallback) {
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var doc = undefined;
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var task = new AsyncTask();
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connect(task);
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authenticate(task);
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task.onRun(function() {
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gapi.drive.realtime.load(fileId, function(result) {
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// onFileLoaded
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doc = result;
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task.chain();
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}, function(model) {
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// initializeModel
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var string = model.createString(content);
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model.getRoot().set('content', string);
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}, function(err) {
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errorCallback(err);
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task.error(new Error(err.message));
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});
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});
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task.onSuccess(function() {
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callback(undefined, doc);
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});
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task.onError(function(error) {
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callback(error);
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});
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task.enqueue();
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};
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function handleError(error, task) {
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var errorMsg = undefined;
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if(error) {
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logger.error(error);
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// Try to analyze the error
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if(typeof error === "string") {
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errorMsg = error;
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}
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else {
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errorMsg = "Google error (" + error.code + ": " + error.message + ").";
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if(error.code >= 500 && error.code < 600) {
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// Retry as described in Google's best practices
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task.retry(new Error(errorMsg));
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return;
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}
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else if(error.code === 401 || error.code === 403 || error.code == "token_refresh_required") {
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authenticated = false;
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errorMsg = "Access to Google account is not authorized.";
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task.retry(new Error(errorMsg), 1);
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return;
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}
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else if(error.code === 0 || error.code === -1) {
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connected = false;
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authenticated = false;
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core.setOffline();
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errorMsg = "|stopPublish";
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}
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}
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}
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task.error(new Error(errorMsg));
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}
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var pickerLoaded = false;
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function loadPicker(task) {
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task.onRun(function() {
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if(pickerLoaded === true) {
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task.chain();
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return;
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}
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$.ajax({
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url: "//www.google.com/jsapi",
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data: {
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key: GOOGLE_API_KEY
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},
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dataType: "script",
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timeout: AJAX_TIMEOUT
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}).done(function() {
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google.load('picker', '1', {
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callback: function() {
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task.chain();
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}
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});
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pickerLoaded = true;
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}).fail(function(jqXHR) {
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var error = {
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code: jqXHR.status,
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message: jqXHR.statusText
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};
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handleError(error, task);
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});
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});
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}
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googleHelper.picker = function(callback, isImagePicker) {
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var docs = [];
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var picker = undefined;
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function hidePicker() {
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if(picker !== undefined) {
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picker.setVisible(false);
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$(".modal-backdrop, .picker").remove();
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}
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}
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var task = new AsyncTask();
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connect(task);
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loadPicker(task);
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task.onRun(function() {
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var pickerBuilder = new google.picker.PickerBuilder();
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pickerBuilder.setAppId(GOOGLE_DRIVE_APP_ID);
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if(!isImagePicker) {
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var view = new google.picker.View(google.picker.ViewId.DOCS);
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view.setMimeTypes([
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"text/x-markdown",
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"text/plain",
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"application/octet-stream",
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"application/vnd.google-apps.drive-sdk." + GOOGLE_DRIVE_APP_ID
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].join(","));
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pickerBuilder.enableFeature(google.picker.Feature.NAV_HIDDEN);
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pickerBuilder.enableFeature(google.picker.Feature.MULTISELECT_ENABLED);
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|
pickerBuilder.addView(view);
|
|
}
|
|
else {
|
|
pickerBuilder.addView(google.picker.ViewId.PHOTOS);
|
|
pickerBuilder.addView(google.picker.ViewId.PHOTO_UPLOAD);
|
|
}
|
|
pickerBuilder.setCallback(function(data) {
|
|
if(data.action == google.picker.Action.PICKED || data.action == google.picker.Action.CANCEL) {
|
|
if(data.action == google.picker.Action.PICKED) {
|
|
docs = data.docs;
|
|
}
|
|
hidePicker();
|
|
task.chain();
|
|
}
|
|
});
|
|
picker = pickerBuilder.build();
|
|
$("body").append($("<div>").addClass("modal-backdrop").click(function() {
|
|
hidePicker();
|
|
task.chain();
|
|
}));
|
|
picker.setVisible(true);
|
|
});
|
|
task.onSuccess(function() {
|
|
callback(undefined, docs);
|
|
});
|
|
task.onError(function(error) {
|
|
hidePicker();
|
|
callback(error);
|
|
});
|
|
task.enqueue();
|
|
};
|
|
|
|
googleHelper.uploadBlogger = function(blogUrl, blogId, postId, labelList, title, content, callback) {
|
|
var task = new AsyncTask();
|
|
connect(task);
|
|
authenticate(task);
|
|
task.onRun(function() {
|
|
var headers = {};
|
|
var token = gapi.auth.getToken();
|
|
if(token) {
|
|
headers.Authorization = "Bearer " + token.access_token;
|
|
}
|
|
function publish() {
|
|
var url = "https://www.googleapis.com/blogger/v3/blogs/" + blogId + "/posts/";
|
|
var data = {
|
|
kind: "blogger#post",
|
|
blog: {
|
|
id: blogId
|
|
},
|
|
labels: labelList,
|
|
title: title,
|
|
content: content
|
|
};
|
|
var type = "POST";
|
|
// If it's an update
|
|
if(postId !== undefined) {
|
|
url += postId;
|
|
data.id = postId;
|
|
type = "PUT";
|
|
}
|
|
$.ajax({
|
|
url: url,
|
|
data: JSON.stringify(data),
|
|
headers: headers,
|
|
type: type,
|
|
contentType: "application/json",
|
|
dataType: "json",
|
|
timeout: AJAX_TIMEOUT
|
|
}).done(function(post, textStatus, jqXHR) {
|
|
postId = post.id;
|
|
task.chain();
|
|
}).fail(function(jqXHR) {
|
|
var error = {
|
|
code: jqXHR.status,
|
|
message: jqXHR.statusText
|
|
};
|
|
// Handle error
|
|
if(error.code === 404 && postId !== undefined) {
|
|
error = 'Post ' + postId + ' not found on Blogger.|removePublish';
|
|
}
|
|
handleError(error, task);
|
|
});
|
|
}
|
|
function getBlogId() {
|
|
if(blogId !== undefined) {
|
|
task.chain(publish);
|
|
return;
|
|
}
|
|
$.ajax({
|
|
url: "https://www.googleapis.com/blogger/v3/blogs/byurl",
|
|
data: {
|
|
url: blogUrl
|
|
},
|
|
headers: headers,
|
|
dataType: "json",
|
|
timeout: AJAX_TIMEOUT
|
|
}).done(function(blog, textStatus, jqXHR) {
|
|
blogId = blog.id;
|
|
task.chain(publish);
|
|
}).fail(function(jqXHR) {
|
|
var error = {
|
|
code: jqXHR.status,
|
|
message: jqXHR.statusText
|
|
};
|
|
// Handle error
|
|
if(error.code === 404) {
|
|
error = 'Blog "' + blogUrl + '" not found on Blogger.|removePublish';
|
|
}
|
|
handleError(error, task);
|
|
});
|
|
}
|
|
task.chain(getBlogId);
|
|
});
|
|
task.onSuccess(function() {
|
|
callback(undefined, blogId, postId);
|
|
});
|
|
task.onError(function(error) {
|
|
callback(error);
|
|
});
|
|
task.enqueue();
|
|
};
|
|
|
|
return googleHelper;
|
|
});
|