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File: public/js/tinymce/src/core/src/main/js/file/Uploader.js

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File: public/js/tinymce/src/core/src/main/js/file/Uploader.js
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/** * Uploader.js * * Released under LGPL License. * Copyright (c) 1999-2017 Ephox Corp. All rights reserved * * License: http://www.tinymce.com/license * Contributing: http://www.tinymce.com/contributing */ /** * Upload blobs or blob infos to the specified URL or handler. * * @private * @class tinymce.file.Uploader * @example * var uploader = new Uploader({ * url: '/upload.php', * basePath: '/base/path', * credentials: true, * handler: function(data, success, failure) { * ... * } * }); * * uploader.upload(blobInfos).then(function(result) { * ... * }); */ define( 'tinymce.core.file.Uploader', [ 'ephox.sand.api.XMLHttpRequest', 'global!window', 'tinymce.core.util.Fun', 'tinymce.core.util.Promise', 'tinymce.core.util.Tools' ], function (XMLHttpRequest, window, Fun, Promise, Tools) { return function (uploadStatus, settings) { var pendingPromises = {}; var pathJoin = function (path1, path2) { if (path1) { return path1.replace(/\/$/, '') + '/' + path2.replace(/^\//, ''); } return path2; }; var defaultHandler = function (blobInfo, success, failure, progress) { var xhr, formData; xhr = new XMLHttpRequest(); xhr.open('POST', settings.url); xhr.withCredentials = settings.credentials; xhr.upload.onprogress = function (e) { progress(e.loaded / e.total * 100); }; xhr.onerror = function () { failure("Image upload failed due to a XHR Transport error. Code: " + xhr.status); }; xhr.onload = function () { var json; if (xhr.status < 200 || xhr.status >= 300) { failure("HTTP Error: " + xhr.status); return; } json = JSON.parse(xhr.responseText); if (!json || typeof json.location != "string") { failure("Invalid JSON: " + xhr.responseText); return; } success(pathJoin(settings.basePath, json.location)); }; formData = new window.FormData(); // TODO: Stick this in sand formData.append('file', blobInfo.blob(), blobInfo.filename()); xhr.send(formData); }; var noUpload = function () { return new Promise(function (resolve) { resolve([]); }); }; var handlerSuccess = function (blobInfo, url) { return { url: url, blobInfo: blobInfo, status: true }; }; var handlerFailure = function (blobInfo, error) { return { url: '', blobInfo: blobInfo, status: false, error: error }; }; var resolvePending = function (blobUri, result) { Tools.each(pendingPromises[blobUri], function (resolve) { resolve(result); }); delete pendingPromises[blobUri]; }; var uploadBlobInfo = function (blobInfo, handler, openNotification) { uploadStatus.markPending(blobInfo.blobUri()); return new Promise(function (resolve) { var notification, progress; var noop = function () { }; try { var closeNotification = function () { if (notification) { notification.close(); progress = noop; // Once it's closed it's closed } }; var success = function (url) { closeNotification(); uploadStatus.markUploaded(blobInfo.blobUri(), url); resolvePending(blobInfo.blobUri(), handlerSuccess(blobInfo, url)); resolve(handlerSuccess(blobInfo, url)); }; var failure = function (error) { closeNotification(); uploadStatus.removeFailed(blobInfo.blobUri()); resolvePending(blobInfo.blobUri(), handlerFailure(blobInfo, error)); resolve(handlerFailure(blobInfo, error)); }; progress = function (percent) { if (percent < 0 || percent > 100) { return; } if (!notification) { notification = openNotification(); } notification.progressBar.value(percent); }; handler(blobInfo, success, failure, progress); } catch (ex) { resolve(handlerFailure(blobInfo, ex.message)); } }); }; var isDefaultHandler = function (handler) { return handler === defaultHandler; }; var pendingUploadBlobInfo = function (blobInfo) { var blobUri = blobInfo.blobUri(); return new Promise(function (resolve) { pendingPromises[blobUri] = pendingPromises[blobUri] || []; pendingPromises[blobUri].push(resolve); }); }; var uploadBlobs = function (blobInfos, openNotification) { blobInfos = Tools.grep(blobInfos, function (blobInfo) { return !uploadStatus.isUploaded(blobInfo.blobUri()); }); return Promise.all(Tools.map(blobInfos, function (blobInfo) { return uploadStatus.isPending(blobInfo.blobUri()) ? pendingUploadBlobInfo(blobInfo) : uploadBlobInfo(blobInfo, settings.handler, openNotification); })); }; var upload = function (blobInfos, openNotification) { return (!settings.url && isDefaultHandler(settings.handler)) ? noUpload() : uploadBlobs(blobInfos, openNotification); }; settings = Tools.extend({ credentials: false, // We are adding a notify argument to this (at the moment, until it doesn't work) handler: defaultHandler }, settings); return { upload: upload }; }; } );