From 9097ff1e4ecdf42c99585bc9d399590442720052 Mon Sep 17 00:00:00 2001 From: Patrick Simianer Date: Sun, 19 Jun 2016 21:54:57 +0200 Subject: init --- .gitignore | 18 +- Gemfile | 4 - README | 2 + README.md | 7 - config.ru | 3 +- file_upload.rb | 133 +- public/css/style.css | 11 - public/files/.gitignore | 0 public/fine-uploader.css | 241 + public/fine-uploader.js | 11339 +++++++++++++++++++++++++++++++++++++++++++++ public/loading.gif | Bin 0 -> 1688 bytes public/upload.html | 131 + upload/.keep | 0 views/index.haml | 22 + views/index.slim | 15 - views/layout.slim | 8 - 16 files changed, 11843 insertions(+), 91 deletions(-) delete mode 100644 Gemfile create mode 100644 README delete mode 100644 README.md delete mode 100644 public/css/style.css delete mode 100644 public/files/.gitignore create mode 100644 public/fine-uploader.css create mode 100644 public/fine-uploader.js create mode 100644 public/loading.gif create mode 100644 public/upload.html create mode 100644 upload/.keep create mode 100644 views/index.haml delete mode 100644 views/index.slim delete mode 100644 views/layout.slim diff --git a/.gitignore b/.gitignore index d87d4be..8b13789 100644 --- a/.gitignore +++ b/.gitignore @@ -1,17 +1 @@ -*.gem -*.rbc -.bundle -.config -.yardoc -Gemfile.lock -InstalledFiles -_yardoc -coverage -doc/ -lib/bundler/man -pkg -rdoc -spec/reports -test/tmp -test/version_tmp -tmp + diff --git a/Gemfile b/Gemfile deleted file mode 100644 index 975cab0..0000000 --- a/Gemfile +++ /dev/null @@ -1,4 +0,0 @@ -source 'https://rubygems.org' - -gem 'sinatra', '~> 1.3' -gem 'slim', '~> 1.3' diff --git a/README b/README new file mode 100644 index 0000000..51f5daa --- /dev/null +++ b/README @@ -0,0 +1,2 @@ +rackup config.ru + diff --git a/README.md b/README.md deleted file mode 100644 index b42adfb..0000000 --- a/README.md +++ /dev/null @@ -1,7 +0,0 @@ -# A simple Sinatra file upload application - -## Setup using [Bundler](http://gembundler.com/ "Bundler") - $ bundle install - -## Starting - $ bundle exec rackup config.ru diff --git a/config.ru b/config.ru index 7e916a6..0c8b758 100644 --- a/config.ru +++ b/config.ru @@ -1,5 +1,4 @@ -# $LOAD_PATH.unshift(File.dirname(__FILE__)) -require 'bundler/setup' require './file_upload' run FileUpload + diff --git a/file_upload.rb b/file_upload.rb index ce2c65f..5bb1d44 100644 --- a/file_upload.rb +++ b/file_upload.rb @@ -1,7 +1,5 @@ -# encoding: utf-8 - require 'sinatra/base' -require 'slim' +require 'haml' class FileUpload < Sinatra::Base configure do @@ -10,48 +8,129 @@ class FileUpload < Sinatra::Base set :views, File.join(File.dirname(__FILE__), 'views') set :public_folder, File.join(File.dirname(__FILE__), 'public') - set :files, File.join(settings.public_folder, 'files') - set :unallowed_paths, ['.', '..'] end - helpers do - def flash(message = '') - session[:flash] = message - end + not_found do + 'err 404' end - before do - @flash = session.delete(:flash) + error do + "err (#{request.env['sinatra.error']})" end - not_found do - slim 'h1 404' + get '/' do + haml :index end - error do - slim "Error (#{request.env['sinatra.error']})" + def log name, params + STDERR.write "[#{name}] #{params.to_s}\n" end - get '/' do - @files = Dir.entries(settings.files) - settings.unallowed_paths + def check_token dir, token + saved_token = `cat #{dir}/.token`.strip + if token == saved_token + return true + end + return false + end + + def check_dirname dirname + return dirname.match /^[a-zA-Z0-9_-]+$/ + end - slim :index + def get_dir dirname + return "upload/#{dirname}" end - + post '/upload' do - if params[:file] - filename = params[:file][:filename] - file = params[:file][:tempfile] + log '/upload', params + + if params[:qqfile] && params[:dirname] && params[:token] + + dirname = params[:dirname] + dir = get_dir params[:dirname] + token = params[:token] + + allowed = check_dirname(dirname) && check_token(dir, token) + + if allowed + filename = params[:qqfile][:filename] + file = params[:qqfile][:tempfile] + + File.open(File.join(dir, filename), 'wb') do |f| + f.write file.read + end - File.open(File.join(settings.files, filename), 'wb') do |f| - f.write file.read + return '{"success":true}' end - flash 'Upload successful' + end + + return '{"success":false}' + end + + post '/mkdir' do + log '/mkdir', params + + dirname = params[:dirname] + token = params[:token] + + return "err" if !dirname||!token + + dir = get_dir params[:dirname] + + return "err" if !check_dirname(dirname) + + allowed = false + if Dir.exists? dir + if check_token dir, token + allowed = true + end else - flash 'You have to choose a file' + `mkdir -p #{dir}` + `echo #{token} >> #{dir}/.token` + allowed = true end - redirect '/' + if allowed + redirect "upload.html?dirname=#{dirname}&token=#{token}" + else + "Falsches token/Wrong token Zurück/Back" + end end + + get "/list_dir/:dirname/:token" do + log '/list_dir', params + + dirname = params[:dirname] + dir = get_dir dirname + token = params[:token] + + allowed = check_dirname(dirname) && check_token(dir, token) + + if allowed + s = "" + return s + end + + return "" + end + + get '/check/:dirname/:token' do + log '/check', params + + dirname = params[:dirname] + dir = get_dir dirname + token = params[:token] + + if check_dirname(dirname) && check_token(dir, token) + return "true" + end + + return "false" + end + end + diff --git a/public/css/style.css b/public/css/style.css deleted file mode 100644 index 7a1f67e..0000000 --- a/public/css/style.css +++ /dev/null @@ -1,11 +0,0 @@ -body { - background-color: #5CACEE; -} - -a { - color: white; -} - -a:hover { - color: black; -} diff --git a/public/files/.gitignore b/public/files/.gitignore deleted file mode 100644 index e69de29..0000000 diff --git a/public/fine-uploader.css b/public/fine-uploader.css new file mode 100644 index 0000000..162739f --- /dev/null +++ b/public/fine-uploader.css @@ -0,0 +1,241 @@ +/*! +* Fine Uploader +* +* Copyright 2013-present, Widen Enterprises, Inc. +* +* Version: 5.10.0 +* +* Homepage: http://fineuploader.com +* +* Repository: git://github.com/FineUploader/fine-uploader.git +* +* Licensed only under the MIT license (http://fineuploader.com/licensing). +*/ + + +.qq-uploader { + position: relative; + width: 100%; +} +.qq-upload-button { + display: block; + width: 105px; + padding: 7px 0; + text-align: center; + background: #880000; + border-bottom: 1px solid #DDD; + color: #FFF; +} +.qq-upload-button-hover { + background: #CC0000; +} +.qq-upload-button-focus { + outline: 1px dotted #000000; +} +.qq-upload-drop-area, .qq-upload-extra-drop-area { + position: absolute; + top: 0; + left: 0; + width: 100%; + height: 100%; + min-height: 30px; + z-index: 2; + background: #FF9797; + text-align: center; +} +.qq-upload-drop-area span { + display: block; + position: absolute; + top: 50%; + width: 100%; + margin-top: -8px; + font-size: 16px; +} +.qq-upload-extra-drop-area { + position: relative; + margin-top: 50px; + font-size: 16px; + padding-top: 30px; + height: 20px; + min-height: 40px; +} +.qq-upload-drop-area-active { + background: #FF7171; +} +.qq-upload-list { + margin: 0; + padding: 0; + list-style: none; +} +.qq-upload-list li { + margin: 0; + padding: 9px; + line-height: 15px; + font-size: 16px; + background-color: #FFF0BD; +} +.qq-upload-file, .qq-upload-spinner, .qq-upload-size, +.qq-upload-cancel, .qq-upload-retry, .qq-upload-failed-text, +.qq-upload-delete, .qq-upload-pause, .qq-upload-continue { + margin-right: 12px; + display: inline; +} +.qq-upload-file { +} +.qq-upload-spinner { + display: inline-block; + background: url("loading.gif"); + width: 15px; + height: 15px; + vertical-align: text-bottom; +} +.qq-drop-processing { + display: block; +} +.qq-drop-processing-spinner { + display: inline-block; + background: url("processing.gif"); + width: 24px; + height: 24px; + vertical-align: text-bottom; +} + +.qq-upload-delete, .qq-upload-pause, .qq-upload-continue { + display: inline; +} + +.qq-upload-retry, .qq-upload-delete, .qq-upload-cancel, +.qq-upload-pause, .qq-upload-continue { + color: #000000; +} + +.qq-upload-size, .qq-upload-cancel, .qq-upload-retry, +.qq-upload-delete, .qq-upload-pause, .qq-upload-continue { + font-size: 12px; + font-weight: normal; +} +.qq-upload-failed-text { + display: none; + font-style: italic; + font-weight: bold; +} +.qq-upload-failed-icon { + display:none; + width:15px; + height:15px; + vertical-align:text-bottom; +} +.qq-upload-fail .qq-upload-failed-text { + display: inline; +} +.qq-upload-retrying .qq-upload-failed-text { + display: inline; + color: #D60000; +} +.qq-upload-list li.qq-upload-success { + background-color: #5DA30C; + color: #FFFFFF; +} +.qq-upload-list li.qq-upload-fail { + background-color: #D60000; + color: #FFFFFF; +} +.qq-progress-bar { + display: block; + background: -moz-linear-gradient(top, rgba(30,87,153,1) 0%, rgba(41,137,216,1) 50%, rgba(32,124,202,1) 51%, rgba(125,185,232,1) 100%); /* FF3.6+ */ + background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,rgba(30,87,153,1)), color-stop(50%,rgba(41,137,216,1)), color-stop(51%,rgba(32,124,202,1)), color-stop(100%,rgba(125,185,232,1))); /* Chrome,Safari4+ */ + background: -webkit-linear-gradient(top, rgba(30,87,153,1) 0%,rgba(41,137,216,1) 50%,rgba(32,124,202,1) 51%,rgba(125,185,232,1) 100%); /* Chrome10+,Safari5.1+ */ + background: -o-linear-gradient(top, rgba(30,87,153,1) 0%,rgba(41,137,216,1) 50%,rgba(32,124,202,1) 51%,rgba(125,185,232,1) 100%); /* Opera 11.10+ */ + background: -ms-linear-gradient(top, rgba(30,87,153,1) 0%,rgba(41,137,216,1) 50%,rgba(32,124,202,1) 51%,rgba(125,185,232,1) 100%); /* IE10+ */ + background: linear-gradient(to bottom, rgba(30,87,153,1) 0%,rgba(41,137,216,1) 50%,rgba(32,124,202,1) 51%,rgba(125,185,232,1) 100%); /* W3C */ + width: 0%; + height: 15px; + border-radius: 6px; + margin-bottom: 3px; +} + +.qq-total-progress-bar { + height: 25px; + border-radius: 9px; +} + +.qq-total-progress-bar-container { + margin: 9px; +} + +INPUT.qq-edit-filename { + position: absolute; + opacity: 0; + filter: alpha(opacity=0); + z-index: -1; + -ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=0)"; +} + +.qq-upload-file.qq-editable { + cursor: pointer; +} + +.qq-edit-filename-icon.qq-editable { + display: inline-block; + cursor: pointer; +} + +INPUT.qq-edit-filename.qq-editing { + position: static; + margin-top: -5px; + margin-right: 10px; + margin-bottom: -5px; + + opacity: 1; + filter: alpha(opacity=100); + -ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=100)"; +} + +.qq-edit-filename-icon { + display: none; + background: url("edit.gif"); + width: 15px; + height: 15px; + vertical-align: text-bottom; + margin-right: 5px; +} + +.qq-hide { + display: none; +} + +/* element styles */ +.qq-uploader DIALOG { + display: none; +} + +.qq-uploader DIALOG[open] { + display: block; +} + +.qq-uploader DIALOG { + display: none; +} + +.qq-uploader DIALOG[open] { + display: block; +} + +.qq-uploader DIALOG .qq-dialog-buttons { + text-align: center; + padding-top: 10px; +} + +.qq-uploader DIALOG .qq-dialog-buttons BUTTON { + margin-left: 5px; + margin-right: 5px; +} + +.qq-uploader DIALOG .qq-dialog-message-selector { + padding-bottom: 10px; +} + +.qq-uploader DIALOG::backdrop { + background-color: rgba(0, 0, 0, 0.7); +} +/*! 2016-06-16 */ diff --git a/public/fine-uploader.js b/public/fine-uploader.js new file mode 100644 index 0000000..ee464b6 --- /dev/null +++ b/public/fine-uploader.js @@ -0,0 +1,11339 @@ +/*! +* Fine Uploader +* +* Copyright 2013-present, Widen Enterprises, Inc. +* +* Version: 5.10.0 +* +* Homepage: http://fineuploader.com +* +* Repository: git://github.com/FineUploader/fine-uploader.git +* +* Licensed only under the MIT license (http://fineuploader.com/licensing). +*/ + + +(function(global) { +/*globals window, navigator, document, FormData, File, HTMLInputElement, XMLHttpRequest, Blob, Storage, ActiveXObject */ +/* jshint -W079 */ +var qq = function(element) { + "use strict"; + + return { + hide: function() { + element.style.display = "none"; + return this; + }, + + /** Returns the function which detaches attached event */ + attach: function(type, fn) { + if (element.addEventListener) { + element.addEventListener(type, fn, false); + } else if (element.attachEvent) { + element.attachEvent("on" + type, fn); + } + return function() { + qq(element).detach(type, fn); + }; + }, + + detach: function(type, fn) { + if (element.removeEventListener) { + element.removeEventListener(type, fn, false); + } else if (element.attachEvent) { + element.detachEvent("on" + type, fn); + } + return this; + }, + + contains: function(descendant) { + // The [W3C spec](http://www.w3.org/TR/domcore/#dom-node-contains) + // says a `null` (or ostensibly `undefined`) parameter + // passed into `Node.contains` should result in a false return value. + // IE7 throws an exception if the parameter is `undefined` though. + if (!descendant) { + return false; + } + + // compareposition returns false in this case + if (element === descendant) { + return true; + } + + if (element.contains) { + return element.contains(descendant); + } else { + /*jslint bitwise: true*/ + return !!(descendant.compareDocumentPosition(element) & 8); + } + }, + + /** + * Insert this element before elementB. + */ + insertBefore: function(elementB) { + elementB.parentNode.insertBefore(element, elementB); + return this; + }, + + remove: function() { + element.parentNode.removeChild(element); + return this; + }, + + /** + * Sets styles for an element. + * Fixes opacity in IE6-8. + */ + css: function(styles) { + /*jshint eqnull: true*/ + if (element.style == null) { + throw new qq.Error("Can't apply style to node as it is not on the HTMLElement prototype chain!"); + } + + /*jshint -W116*/ + if (styles.opacity != null) { + if (typeof element.style.opacity !== "string" && typeof (element.filters) !== "undefined") { + styles.filter = "alpha(opacity=" + Math.round(100 * styles.opacity) + ")"; + } + } + qq.extend(element.style, styles); + + return this; + }, + + hasClass: function(name, considerParent) { + var re = new RegExp("(^| )" + name + "( |$)"); + return re.test(element.className) || !!(considerParent && re.test(element.parentNode.className)); + }, + + addClass: function(name) { + if (!qq(element).hasClass(name)) { + element.className += " " + name; + } + return this; + }, + + removeClass: function(name) { + var re = new RegExp("(^| )" + name + "( |$)"); + element.className = element.className.replace(re, " ").replace(/^\s+|\s+$/g, ""); + return this; + }, + + getByClass: function(className, first) { + var candidates, + result = []; + + if (first && element.querySelector) { + return element.querySelector("." + className); + } + else if (element.querySelectorAll) { + return element.querySelectorAll("." + className); + } + + candidates = element.getElementsByTagName("*"); + + qq.each(candidates, function(idx, val) { + if (qq(val).hasClass(className)) { + result.push(val); + } + }); + return first ? result[0] : result; + }, + + getFirstByClass: function(className) { + return qq(element).getByClass(className, true); + }, + + children: function() { + var children = [], + child = element.firstChild; + + while (child) { + if (child.nodeType === 1) { + children.push(child); + } + child = child.nextSibling; + } + + return children; + }, + + setText: function(text) { + element.innerText = text; + element.textContent = text; + return this; + }, + + clearText: function() { + return qq(element).setText(""); + }, + + // Returns true if the attribute exists on the element + // AND the value of the attribute is NOT "false" (case-insensitive) + hasAttribute: function(attrName) { + var attrVal; + + if (element.hasAttribute) { + + if (!element.hasAttribute(attrName)) { + return false; + } + + /*jshint -W116*/ + return (/^false$/i).exec(element.getAttribute(attrName)) == null; + } + else { + attrVal = element[attrName]; + + if (attrVal === undefined) { + return false; + } + + /*jshint -W116*/ + return (/^false$/i).exec(attrVal) == null; + } + } + }; +}; + +(function() { + "use strict"; + + qq.canvasToBlob = function(canvas, mime, quality) { + return qq.dataUriToBlob(canvas.toDataURL(mime, quality)); + }; + + qq.dataUriToBlob = function(dataUri) { + var arrayBuffer, byteString, + createBlob = function(data, mime) { + var BlobBuilder = window.BlobBuilder || + window.WebKitBlobBuilder || + window.MozBlobBuilder || + window.MSBlobBuilder, + blobBuilder = BlobBuilder && new BlobBuilder(); + + if (blobBuilder) { + blobBuilder.append(data); + return blobBuilder.getBlob(mime); + } + else { + return new Blob([data], {type: mime}); + } + }, + intArray, mimeString; + + // convert base64 to raw binary data held in a string + if (dataUri.split(",")[0].indexOf("base64") >= 0) { + byteString = atob(dataUri.split(",")[1]); + } + else { + byteString = decodeURI(dataUri.split(",")[1]); + } + + // extract the MIME + mimeString = dataUri.split(",")[0] + .split(":")[1] + .split(";")[0]; + + // write the bytes of the binary string to an ArrayBuffer + arrayBuffer = new ArrayBuffer(byteString.length); + intArray = new Uint8Array(arrayBuffer); + qq.each(byteString, function(idx, character) { + intArray[idx] = character.charCodeAt(0); + }); + + return createBlob(arrayBuffer, mimeString); + }; + + qq.log = function(message, level) { + if (window.console) { + if (!level || level === "info") { + window.console.log(message); + } + else + { + if (window.console[level]) { + window.console[level](message); + } + else { + window.console.log("<" + level + "> " + message); + } + } + } + }; + + qq.isObject = function(variable) { + return variable && !variable.nodeType && Object.prototype.toString.call(variable) === "[object Object]"; + }; + + qq.isFunction = function(variable) { + return typeof (variable) === "function"; + }; + + /** + * Check the type of a value. Is it an "array"? + * + * @param value value to test. + * @returns true if the value is an array or associated with an `ArrayBuffer` + */ + qq.isArray = function(value) { + return Object.prototype.toString.call(value) === "[object Array]" || + (value && window.ArrayBuffer && value.buffer && value.buffer.constructor === ArrayBuffer); + }; + + // Looks for an object on a `DataTransfer` object that is associated with drop events when utilizing the Filesystem API. + qq.isItemList = function(maybeItemList) { + return Object.prototype.toString.call(maybeItemList) === "[object DataTransferItemList]"; + }; + + // Looks for an object on a `NodeList` or an `HTMLCollection`|`HTMLFormElement`|`HTMLSelectElement` + // object that is associated with collections of Nodes. + qq.isNodeList = function(maybeNodeList) { + return Object.prototype.toString.call(maybeNodeList) === "[object NodeList]" || + // If `HTMLCollection` is the actual type of the object, we must determine this + // by checking for expected properties/methods on the object + (maybeNodeList.item && maybeNodeList.namedItem); + }; + + qq.isString = function(maybeString) { + return Object.prototype.toString.call(maybeString) === "[object String]"; + }; + + qq.trimStr = function(string) { + if (String.prototype.trim) { + return string.trim(); + } + + return string.replace(/^\s+|\s+$/g, ""); + }; + + /** + * @param str String to format. + * @returns {string} A string, swapping argument values with the associated occurrence of {} in the passed string. + */ + qq.format = function(str) { + + var args = Array.prototype.slice.call(arguments, 1), + newStr = str, + nextIdxToReplace = newStr.indexOf("{}"); + + qq.each(args, function(idx, val) { + var strBefore = newStr.substring(0, nextIdxToReplace), + strAfter = newStr.substring(nextIdxToReplace + 2); + + newStr = strBefore + val + strAfter; + nextIdxToReplace = newStr.indexOf("{}", nextIdxToReplace + val.length); + + // End the loop if we have run out of tokens (when the arguments exceed the # of tokens) + if (nextIdxToReplace < 0) { + return false; + } + }); + + return newStr; + }; + + qq.isFile = function(maybeFile) { + return window.File && Object.prototype.toString.call(maybeFile) === "[object File]"; + }; + + qq.isFileList = function(maybeFileList) { + return window.FileList && Object.prototype.toString.call(maybeFileList) === "[object FileList]"; + }; + + qq.isFileOrInput = function(maybeFileOrInput) { + return qq.isFile(maybeFileOrInput) || qq.isInput(maybeFileOrInput); + }; + + qq.isInput = function(maybeInput, notFile) { + var evaluateType = function(type) { + var normalizedType = type.toLowerCase(); + + if (notFile) { + return normalizedType !== "file"; + } + + return normalizedType === "file"; + }; + + if (window.HTMLInputElement) { + if (Object.prototype.toString.call(maybeInput) === "[object HTMLInputElement]") { + if (maybeInput.type && evaluateType(maybeInput.type)) { + return true; + } + } + } + if (maybeInput.tagName) { + if (maybeInput.tagName.toLowerCase() === "input") { + if (maybeInput.type && evaluateType(maybeInput.type)) { + return true; + } + } + } + + return false; + }; + + qq.isBlob = function(maybeBlob) { + if (window.Blob && Object.prototype.toString.call(maybeBlob) === "[object Blob]") { + return true; + } + }; + + qq.isXhrUploadSupported = function() { + var input = document.createElement("input"); + input.type = "file"; + + return ( + input.multiple !== undefined && + typeof File !== "undefined" && + typeof FormData !== "undefined" && + typeof (qq.createXhrInstance()).upload !== "undefined"); + }; + + // Fall back to ActiveX is native XHR is disabled (possible in any version of IE). + qq.createXhrInstance = function() { + if (window.XMLHttpRequest) { + return new XMLHttpRequest(); + } + + try { + return new ActiveXObject("MSXML2.XMLHTTP.3.0"); + } + catch (error) { + qq.log("Neither XHR or ActiveX are supported!", "error"); + return null; + } + }; + + qq.isFolderDropSupported = function(dataTransfer) { + return dataTransfer.items && + dataTransfer.items.length > 0 && + dataTransfer.items[0].webkitGetAsEntry; + }; + + qq.isFileChunkingSupported = function() { + return !qq.androidStock() && //Android's stock browser cannot upload Blobs correctly + qq.isXhrUploadSupported() && + (File.prototype.slice !== undefined || File.prototype.webkitSlice !== undefined || File.prototype.mozSlice !== undefined); + }; + + qq.sliceBlob = function(fileOrBlob, start, end) { + var slicer = fileOrBlob.slice || fileOrBlob.mozSlice || fileOrBlob.webkitSlice; + + return slicer.call(fileOrBlob, start, end); + }; + + qq.arrayBufferToHex = function(buffer) { + var bytesAsHex = "", + bytes = new Uint8Array(buffer); + + qq.each(bytes, function(idx, byt) { + var byteAsHexStr = byt.toString(16); + + if (byteAsHexStr.length < 2) { + byteAsHexStr = "0" + byteAsHexStr; + } + + bytesAsHex += byteAsHexStr; + }); + + return bytesAsHex; + }; + + qq.readBlobToHex = function(blob, startOffset, length) { + var initialBlob = qq.sliceBlob(blob, startOffset, startOffset + length), + fileReader = new FileReader(), + promise = new qq.Promise(); + + fileReader.onload = function() { + promise.success(qq.arrayBufferToHex(fileReader.result)); + }; + + fileReader.onerror = promise.failure; + + fileReader.readAsArrayBuffer(initialBlob); + + return promise; + }; + + qq.extend = function(first, second, extendNested) { + qq.each(second, function(prop, val) { + if (extendNested && qq.isObject(val)) { + if (first[prop] === undefined) { + first[prop] = {}; + } + qq.extend(first[prop], val, true); + } + else { + first[prop] = val; + } + }); + + return first; + }; + + /** + * Allow properties in one object to override properties in another, + * keeping track of the original values from the target object. + * + * Note that the pre-overriden properties to be overriden by the source will be passed into the `sourceFn` when it is invoked. + * + * @param target Update properties in this object from some source + * @param sourceFn A function that, when invoked, will return properties that will replace properties with the same name in the target. + * @returns {object} The target object + */ + qq.override = function(target, sourceFn) { + var super_ = {}, + source = sourceFn(super_); + + qq.each(source, function(srcPropName, srcPropVal) { + if (target[srcPropName] !== undefined) { + super_[srcPropName] = target[srcPropName]; + } + + target[srcPropName] = srcPropVal; + }); + + return target; + }; + + /** + * Searches for a given element (elt) in the array, returns -1 if it is not present. + */ + qq.indexOf = function(arr, elt, from) { + if (arr.indexOf) { + return arr.indexOf(elt, from); + } + + from = from || 0; + var len = arr.length; + + if (from < 0) { + from += len; + } + + for (; from < len; from += 1) { + if (arr.hasOwnProperty(from) && arr[from] === elt) { + return from; + } + } + return -1; + }; + + //this is a version 4 UUID + qq.getUniqueId = function() { + return "xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx".replace(/[xy]/g, function(c) { + /*jslint eqeq: true, bitwise: true*/ + var r = Math.random() * 16 | 0, v = c == "x" ? r : (r & 0x3 | 0x8); + return v.toString(16); + }); + }; + + // + // Browsers and platforms detection + qq.ie = function() { + return navigator.userAgent.indexOf("MSIE") !== -1 || + navigator.userAgent.indexOf("Trident") !== -1; + }; + + qq.ie7 = function() { + return navigator.userAgent.indexOf("MSIE 7") !== -1; + }; + + qq.ie8 = function() { + return navigator.userAgent.indexOf("MSIE 8") !== -1; + }; + + qq.ie10 = function() { + return navigator.userAgent.indexOf("MSIE 10") !== -1; + }; + + qq.ie11 = function() { + return qq.ie() && navigator.userAgent.indexOf("rv:11") !== -1; + }; + + qq.edge = function() { + return navigator.userAgent.indexOf("Edge") >= 0; + }; + + qq.safari = function() { + return navigator.vendor !== undefined && navigator.vendor.indexOf("Apple") !== -1; + }; + + qq.chrome = function() { + return navigator.vendor !== undefined && navigator.vendor.indexOf("Google") !== -1; + }; + + qq.opera = function() { + return navigator.vendor !== undefined && navigator.vendor.indexOf("Opera") !== -1; + }; + + qq.firefox = function() { + return (!qq.edge() && !qq.ie11() && navigator.userAgent.indexOf("Mozilla") !== -1 && navigator.vendor !== undefined && navigator.vendor === ""); + }; + + qq.windows = function() { + return navigator.platform === "Win32"; + }; + + qq.android = function() { + return navigator.userAgent.toLowerCase().indexOf("android") !== -1; + }; + + // We need to identify the Android stock browser via the UA string to work around various bugs in this browser, + // such as the one that prevents a `Blob` from being uploaded. + qq.androidStock = function() { + return qq.android() && navigator.userAgent.toLowerCase().indexOf("chrome") < 0; + }; + + qq.ios6 = function() { + return qq.ios() && navigator.userAgent.indexOf(" OS 6_") !== -1; + }; + + qq.ios7 = function() { + return qq.ios() && navigator.userAgent.indexOf(" OS 7_") !== -1; + }; + + qq.ios8 = function() { + return qq.ios() && navigator.userAgent.indexOf(" OS 8_") !== -1; + }; + + // iOS 8.0.0 + qq.ios800 = function() { + return qq.ios() && navigator.userAgent.indexOf(" OS 8_0 ") !== -1; + }; + + qq.ios = function() { + /*jshint -W014 */ + return navigator.userAgent.indexOf("iPad") !== -1 + || navigator.userAgent.indexOf("iPod") !== -1 + || navigator.userAgent.indexOf("iPhone") !== -1; + }; + + qq.iosChrome = function() { + return qq.ios() && navigator.userAgent.indexOf("CriOS") !== -1; + }; + + qq.iosSafari = function() { + return qq.ios() && !qq.iosChrome() && navigator.userAgent.indexOf("Safari") !== -1; + }; + + qq.iosSafariWebView = function() { + return qq.ios() && !qq.iosChrome() && !qq.iosSafari(); + }; + + // + // Events + + qq.preventDefault = function(e) { + if (e.preventDefault) { + e.preventDefault(); + } else { + e.returnValue = false; + } + }; + + /** + * Creates and returns element from html string + * Uses innerHTML to create an element + */ + qq.toElement = (function() { + var div = document.createElement("div"); + return function(html) { + div.innerHTML = html; + var element = div.firstChild; + div.removeChild(element); + return element; + }; + }()); + + //key and value are passed to callback for each entry in the iterable item + qq.each = function(iterableItem, callback) { + var keyOrIndex, retVal; + + if (iterableItem) { + // Iterate through [`Storage`](http://www.w3.org/TR/webstorage/#the-storage-interface) items + if (window.Storage && iterableItem.constructor === window.Storage) { + for (keyOrIndex = 0; keyOrIndex < iterableItem.length; keyOrIndex++) { + retVal = callback(iterableItem.key(keyOrIndex), iterableItem.getItem(iterableItem.key(keyOrIndex))); + if (retVal === false) { + break; + } + } + } + // `DataTransferItemList` & `NodeList` objects are array-like and should be treated as arrays + // when iterating over items inside the object. + else if (qq.isArray(iterableItem) || qq.isItemList(iterableItem) || qq.isNodeList(iterableItem)) { + for (keyOrIndex = 0; keyOrIndex < iterableItem.length; keyOrIndex++) { + retVal = callback(keyOrIndex, iterableItem[keyOrIndex]); + if (retVal === false) { + break; + } + } + } + else if (qq.isString(iterableItem)) { + for (keyOrIndex = 0; keyOrIndex < iterableItem.length; keyOrIndex++) { + retVal = callback(keyOrIndex, iterableItem.charAt(keyOrIndex)); + if (retVal === false) { + break; + } + } + } + else { + for (keyOrIndex in iterableItem) { + if (Object.prototype.hasOwnProperty.call(iterableItem, keyOrIndex)) { + retVal = callback(keyOrIndex, iterableItem[keyOrIndex]); + if (retVal === false) { + break; + } + } + } + } + } + }; + + //include any args that should be passed to the new function after the context arg + qq.bind = function(oldFunc, context) { + if (qq.isFunction(oldFunc)) { + var args = Array.prototype.slice.call(arguments, 2); + + return function() { + var newArgs = qq.extend([], args); + if (arguments.length) { + newArgs = newArgs.concat(Array.prototype.slice.call(arguments)); + } + return oldFunc.apply(context, newArgs); + }; + } + + throw new Error("first parameter must be a function!"); + }; + + /** + * obj2url() takes a json-object as argument and generates + * a querystring. pretty much like jQuery.param() + * + * how to use: + * + * `qq.obj2url({a:'b',c:'d'},'http://any.url/upload?otherParam=value');` + * + * will result in: + * + * `http://any.url/upload?otherParam=value&a=b&c=d` + * + * @param Object JSON-Object + * @param String current querystring-part + * @return String encoded querystring + */ + qq.obj2url = function(obj, temp, prefixDone) { + /*jshint laxbreak: true*/ + var uristrings = [], + prefix = "&", + add = function(nextObj, i) { + var nextTemp = temp + ? (/\[\]$/.test(temp)) // prevent double-encoding + ? temp + : temp + "[" + i + "]" + : i; + if ((nextTemp !== "undefined") && (i !== "undefined")) { + uristrings.push( + (typeof nextObj === "object") + ? qq.obj2url(nextObj, nextTemp, true) + : (Object.prototype.toString.call(nextObj) === "[object Function]") + ? encodeURIComponent(nextTemp) + "=" + encodeURIComponent(nextObj()) + : encodeURIComponent(nextTemp) + "=" + encodeURIComponent(nextObj) + ); + } + }; + + if (!prefixDone && temp) { + prefix = (/\?/.test(temp)) ? (/\?$/.test(temp)) ? "" : "&" : "?"; + uristrings.push(temp); + uristrings.push(qq.obj2url(obj)); + } else if ((Object.prototype.toString.call(obj) === "[object Array]") && (typeof obj !== "undefined")) { + qq.each(obj, function(idx, val) { + add(val, idx); + }); + } else if ((typeof obj !== "undefined") && (obj !== null) && (typeof obj === "object")) { + qq.each(obj, function(prop, val) { + add(val, prop); + }); + } else { + uristrings.push(encodeURIComponent(temp) + "=" + encodeURIComponent(obj)); + } + + if (temp) { + return uristrings.join(prefix); + } else { + return uristrings.join(prefix) + .replace(/^&/, "") + .replace(/%20/g, "+"); + } + }; + + qq.obj2FormData = function(obj, formData, arrayKeyName) { + if (!formData) { + formData = new FormData(); + } + + qq.each(obj, function(key, val) { + key = arrayKeyName ? arrayKeyName + "[" + key + "]" : key; + + if (qq.isObject(val)) { + qq.obj2FormData(val, formData, key); + } + else if (qq.isFunction(val)) { + formData.append(key, val()); + } + else { + formData.append(key, val); + } + }); + + return formData; + }; + + qq.obj2Inputs = function(obj, form) { + var input; + + if (!form) { + form = document.createElement("form"); + } + + qq.obj2FormData(obj, { + append: function(key, val) { + input = document.createElement("input"); + input.setAttribute("name", key); + input.setAttribute("value", val); + form.appendChild(input); + } + }); + + return form; + }; + + /** + * Not recommended for use outside of Fine Uploader since this falls back to an unchecked eval if JSON.parse is not + * implemented. For a more secure JSON.parse polyfill, use Douglas Crockford's json2.js. + */ + qq.parseJson = function(json) { + /*jshint evil: true*/ + if (window.JSON && qq.isFunction(JSON.parse)) { + return JSON.parse(json); + } else { + return eval("(" + json + ")"); + } + }; + + /** + * Retrieve the extension of a file, if it exists. + * + * @param filename + * @returns {string || undefined} + */ + qq.getExtension = function(filename) { + var extIdx = filename.lastIndexOf(".") + 1; + + if (extIdx > 0) { + return filename.substr(extIdx, filename.length - extIdx); + } + }; + + qq.getFilename = function(blobOrFileInput) { + /*jslint regexp: true*/ + + if (qq.isInput(blobOrFileInput)) { + // get input value and remove path to normalize + return blobOrFileInput.value.replace(/.*(\/|\\)/, ""); + } + else if (qq.isFile(blobOrFileInput)) { + if (blobOrFileInput.fileName !== null && blobOrFileInput.fileName !== undefined) { + return blobOrFileInput.fileName; + } + } + + return blobOrFileInput.name; + }; + + /** + * A generic module which supports object disposing in dispose() method. + * */ + qq.DisposeSupport = function() { + var disposers = []; + + return { + /** Run all registered disposers */ + dispose: function() { + var disposer; + do { + disposer = disposers.shift(); + if (disposer) { + disposer(); + } + } + while (disposer); + }, + + /** Attach event handler and register de-attacher as a disposer */ + attach: function() { + var args = arguments; + /*jslint undef:true*/ + this.addDisposer(qq(args[0]).attach.apply(this, Array.prototype.slice.call(arguments, 1))); + }, + + /** Add disposer to the collection */ + addDisposer: function(disposeFunction) { + disposers.push(disposeFunction); + } + }; + }; +}()); + +/* globals qq */ +/** + * Fine Uploader top-level Error container. Inherits from `Error`. + */ +(function() { + "use strict"; + + qq.Error = function(message) { + this.message = "[Fine Uploader " + qq.version + "] " + message; + }; + + qq.Error.prototype = new Error(); +}()); + +/*global qq */ +qq.version = "5.10.0"; + +/* globals qq */ +qq.supportedFeatures = (function() { + "use strict"; + + var supportsUploading, + supportsUploadingBlobs, + supportsFileDrop, + supportsAjaxFileUploading, + supportsFolderDrop, + supportsChunking, + supportsResume, + supportsUploadViaPaste, + supportsUploadCors, + supportsDeleteFileXdr, + supportsDeleteFileCorsXhr, + supportsDeleteFileCors, + supportsFolderSelection, + supportsImagePreviews, + supportsUploadProgress; + + function testSupportsFileInputElement() { + var supported = true, + tempInput; + + try { + tempInput = document.createElement("input"); + tempInput.type = "file"; + qq(tempInput).hide(); + + if (tempInput.disabled) { + supported = false; + } + } + catch (ex) { + supported = false; + } + + return supported; + } + + //only way to test for Filesystem API support since webkit does not expose the DataTransfer interface + function isChrome21OrHigher() { + return (qq.chrome() || qq.opera()) && + navigator.userAgent.match(/Chrome\/[2][1-9]|Chrome\/[3-9][0-9]/) !== undefined; + } + + //only way to test for complete Clipboard API support at this time + function isChrome14OrHigher() { + return (qq.chrome() || qq.opera()) && + navigator.userAgent.match(/Chrome\/[1][4-9]|Chrome\/[2-9][0-9]/) !== undefined; + } + + //Ensure we can send cross-origin `XMLHttpRequest`s + function isCrossOriginXhrSupported() { + if (window.XMLHttpRequest) { + var xhr = qq.createXhrInstance(); + + //Commonly accepted test for XHR CORS support. + return xhr.withCredentials !== undefined; + } + + return false; + } + + //Test for (terrible) cross-origin ajax transport fallback for IE9 and IE8 + function isXdrSupported() { + return window.XDomainRequest !== undefined; + } + + // CORS Ajax requests are supported if it is either possible to send credentialed `XMLHttpRequest`s, + // or if `XDomainRequest` is an available alternative. + function isCrossOriginAjaxSupported() { + if (isCrossOriginXhrSupported()) { + return true; + } + + return isXdrSupported(); + } + + function isFolderSelectionSupported() { + // We know that folder selection is only supported in Chrome via this proprietary attribute for now + return document.createElement("input").webkitdirectory !== undefined; + } + + function isLocalStorageSupported() { + try { + return !!window.localStorage && + // unpatched versions of IE10/11 have buggy impls of localStorage where setItem is a string + qq.isFunction(window.localStorage.setItem); + } + catch (error) { + // probably caught a security exception, so no localStorage for you + return false; + } + } + + function isDragAndDropSupported() { + var span = document.createElement("span"); + + return ("draggable" in span || ("ondragstart" in span && "ondrop" in span)) && + !qq.android() && !qq.ios(); + } + + supportsUploading = testSupportsFileInputElement(); + + supportsAjaxFileUploading = supportsUploading && qq.isXhrUploadSupported(); + + supportsUploadingBlobs = supportsAjaxFileUploading && !qq.androidStock(); + + supportsFileDrop = supportsAjaxFileUploading && isDragAndDropSupported(); + + supportsFolderDrop = supportsFileDrop && isChrome21OrHigher(); + + supportsChunking = supportsAjaxFileUploading && qq.isFileChunkingSupported(); + + supportsResume = supportsAjaxFileUploading && supportsChunking && isLocalStorageSupported(); + + supportsUploadViaPaste = supportsAjaxFileUploading && isChrome14OrHigher(); + + supportsUploadCors = supportsUploading && (window.postMessage !== undefined || supportsAjaxFileUploading); + + supportsDeleteFileCorsXhr = isCrossOriginXhrSupported(); + + supportsDeleteFileXdr = isXdrSupported(); + + supportsDeleteFileCors = isCrossOriginAjaxSupported(); + + supportsFolderSelection = isFolderSelectionSupported(); + + supportsImagePreviews = supportsAjaxFileUploading && window.FileReader !== undefined; + + supportsUploadProgress = (function() { + if (supportsAjaxFileUploading) { + return !qq.androidStock() && !qq.iosChrome(); + } + return false; + }()); + + return { + ajaxUploading: supportsAjaxFileUploading, + blobUploading: supportsUploadingBlobs, + canDetermineSize: supportsAjaxFileUploading, + chunking: supportsChunking, + deleteFileCors: supportsDeleteFileCors, + deleteFileCorsXdr: supportsDeleteFileXdr, //NOTE: will also return true in IE10, where XDR is also supported + deleteFileCorsXhr: supportsDeleteFileCorsXhr, + dialogElement: !!window.HTMLDialogElement, + fileDrop: supportsFileDrop, + folderDrop: supportsFolderDrop, + folderSelection: supportsFolderSelection, + imagePreviews: supportsImagePreviews, + imageValidation: supportsImagePreviews, + itemSizeValidation: supportsAjaxFileUploading, + pause: supportsChunking, + progressBar: supportsUploadProgress, + resume: supportsResume, + scaling: supportsImagePreviews && supportsUploadingBlobs, + tiffPreviews: qq.safari(), // Not the best solution, but simple and probably accurate enough (for now) + unlimitedScaledImageSize: !qq.ios(), // false simply indicates that there is some known limit + uploading: supportsUploading, + uploadCors: supportsUploadCors, + uploadCustomHeaders: supportsAjaxFileUploading, + uploadNonMultipart: supportsAjaxFileUploading, + uploadViaPaste: supportsUploadViaPaste + }; + +}()); + +/*globals qq*/ + +// Is the passed object a promise instance? +qq.isGenericPromise = function(maybePromise) { + "use strict"; + return !!(maybePromise && maybePromise.then && qq.isFunction(maybePromise.then)); +}; + +qq.Promise = function() { + "use strict"; + + var successArgs, failureArgs, + successCallbacks = [], + failureCallbacks = [], + doneCallbacks = [], + state = 0; + + qq.extend(this, { + then: function(onSuccess, onFailure) { + if (state === 0) { + if (onSuccess) { + successCallbacks.push(onSuccess); + } + if (onFailure) { + failureCallbacks.push(onFailure); + } + } + else if (state === -1) { + onFailure && onFailure.apply(null, failureArgs); + } + else if (onSuccess) { + onSuccess.apply(null, successArgs); + } + + return this; + }, + + done: function(callback) { + if (state === 0) { + doneCallbacks.push(callback); + } + else { + callback.apply(null, failureArgs === undefined ? successArgs : failureArgs); + } + + return this; + }, + + success: function() { + state = 1; + successArgs = arguments; + + if (successCallbacks.length) { + qq.each(successCallbacks, function(idx, callback) { + callback.apply(null, successArgs); + }); + } + + if (doneCallbacks.length) { + qq.each(doneCallbacks, function(idx, callback) { + callback.apply(null, successArgs); + }); + } + + return this; + }, + + failure: function() { + state = -1; + failureArgs = arguments; + + if (failureCallbacks.length) { + qq.each(failureCallbacks, function(idx, callback) { + callback.apply(null, failureArgs); + }); + } + + if (doneCallbacks.length) { + qq.each(doneCallbacks, function(idx, callback) { + callback.apply(null, failureArgs); + }); + } + + return this; + } + }); +}; + +/* globals qq */ +/** + * Placeholder for a Blob that will be generated on-demand. + * + * @param referenceBlob Parent of the generated blob + * @param onCreate Function to invoke when the blob must be created. Must be promissory. + * @constructor + */ +qq.BlobProxy = function(referenceBlob, onCreate) { + "use strict"; + + qq.extend(this, { + referenceBlob: referenceBlob, + + create: function() { + return onCreate(referenceBlob); + } + }); +}; + +/*globals qq*/ + +/** + * This module represents an upload or "Select File(s)" button. It's job is to embed an opaque `` + * element as a child of a provided "container" element. This "container" element (`options.element`) is used to provide + * a custom style for the `` element. The ability to change the style of the container element is also + * provided here by adding CSS classes to the container on hover/focus. + * + * TODO Eliminate the mouseover and mouseout event handlers since the :hover CSS pseudo-class should now be + * available on all supported browsers. + * + * @param o Options to override the default values + */ +qq.UploadButton = function(o) { + "use strict"; + + var self = this, + + disposeSupport = new qq.DisposeSupport(), + + options = { + // Corresponds to the `accept` attribute on the associated `` + acceptFiles: null, + + // "Container" element + element: null, + + focusClass: "qq-upload-button-focus", + + // A true value allows folders to be selected, if supported by the UA + folders: false, + + // **This option will be removed** in the future as the :hover CSS pseudo-class is available on all supported browsers + hoverClass: "qq-upload-button-hover", + + ios8BrowserCrashWorkaround: false, + + // If true adds `multiple` attribute to `` + multiple: false, + + // `name` attribute of `` + name: "qqfile", + + // Called when the browser invokes the onchange handler on the `` + onChange: function(input) {}, + + title: null + }, + input, buttonId; + + // Overrides any of the default option values with any option values passed in during construction. + qq.extend(options, o); + + buttonId = qq.getUniqueId(); + + // Embed an opaque `` element as a child of `options.element`. + function createInput() { + var input = document.createElement("input"); + + input.setAttribute(qq.UploadButton.BUTTON_ID_ATTR_NAME, buttonId); + input.setAttribute("title", options.title); + + self.setMultiple(options.multiple, input); + + if (options.folders && qq.supportedFeatures.folderSelection) { + // selecting directories is only possible in Chrome now, via a vendor-specific prefixed attribute + input.setAttribute("webkitdirectory", ""); + } + + if (options.acceptFiles) { + input.setAttribute("accept", options.acceptFiles); + } + + input.setAttribute("type", "file"); + input.setAttribute("name", options.name); + + qq(input).css({ + position: "absolute", + // in Opera only 'browse' button + // is clickable and it is located at + // the right side of the input + right: 0, + top: 0, + fontFamily: "Arial", + // It's especially important to make this an arbitrarily large value + // to ensure the rendered input button in IE takes up the entire + // space of the container element. Otherwise, the left side of the + // button will require a double-click to invoke the file chooser. + // In other browsers, this might cause other issues, so a large font-size + // is only used in IE. There is a bug in IE8 where the opacity style is ignored + // in some cases when the font-size is large. So, this workaround is not applied + // to IE8. + fontSize: qq.ie() && !qq.ie8() ? "3500px" : "118px", + margin: 0, + padding: 0, + cursor: "pointer", + opacity: 0 + }); + + // Setting the file input's height to 100% in IE7 causes + // most of the visible button to be unclickable. + !qq.ie7() && qq(input).css({height: "100%"}); + + options.element.appendChild(input); + + disposeSupport.attach(input, "change", function() { + options.onChange(input); + }); + + // **These event handlers will be removed** in the future as the :hover CSS pseudo-class is available on all supported browsers + disposeSupport.attach(input, "mouseover", function() { + qq(options.element).addClass(options.hoverClass); + }); + disposeSupport.attach(input, "mouseout", function() { + qq(options.element).removeClass(options.hoverClass); + }); + + disposeSupport.attach(input, "focus", function() { + qq(options.element).addClass(options.focusClass); + }); + disposeSupport.attach(input, "blur", function() { + qq(options.element).removeClass(options.focusClass); + }); + + return input; + } + + // Make button suitable container for input + qq(options.element).css({ + position: "relative", + overflow: "hidden", + // Make sure browse button is in the right side in Internet Explorer + direction: "ltr" + }); + + // Exposed API + qq.extend(this, { + getInput: function() { + return input; + }, + + getButtonId: function() { + return buttonId; + }, + + setMultiple: function(isMultiple, optInput) { + var input = optInput || this.getInput(); + + // Temporary workaround for bug in in iOS8 UIWebView that causes the browser to crash + // before the file chooser appears if the file input doesn't contain a multiple attribute. + // See #1283. + if (options.ios8BrowserCrashWorkaround && qq.ios8() && (qq.iosChrome() || qq.iosSafariWebView())) { + input.setAttribute("multiple", ""); + } + + else { + if (isMultiple) { + input.setAttribute("multiple", ""); + } + else { + input.removeAttribute("multiple"); + } + } + }, + + setAcceptFiles: function(acceptFiles) { + if (acceptFiles !== options.acceptFiles) { + input.setAttribute("accept", acceptFiles); + } + }, + + reset: function() { + if (input.parentNode) { + qq(input).remove(); + } + + qq(options.element).removeClass(options.focusClass); + input = null; + input = createInput(); + } + }); + + input = createInput(); +}; + +qq.UploadButton.BUTTON_ID_ATTR_NAME = "qq-button-id"; + +/*globals qq */ +qq.UploadData = function(uploaderProxy) { + "use strict"; + + var data = [], + byUuid = {}, + byStatus = {}, + byProxyGroupId = {}, + byBatchId = {}; + + function getDataByIds(idOrIds) { + if (qq.isArray(idOrIds)) { + var entries = []; + + qq.each(idOrIds, function(idx, id) { + entries.push(data[id]); + }); + + return entries; + } + + return data[idOrIds]; + } + + function getDataByUuids(uuids) { + if (qq.isArray(uuids)) { + var entries = []; + + qq.each(uuids, function(idx, uuid) { + entries.push(data[byUuid[uuid]]); + }); + + return entries; + } + + return data[byUuid[uuids]]; + } + + function getDataByStatus(status) { + var statusResults = [], + statuses = [].concat(status); + + qq.each(statuses, function(index, statusEnum) { + var statusResultIndexes = byStatus[statusEnum]; + + if (statusResultIndexes !== undefined) { + qq.each(statusResultIndexes, function(i, dataIndex) { + statusResults.push(data[dataIndex]); + }); + } + }); + + return statusResults; + } + + qq.extend(this, { + /** + * Adds a new file to the data cache for tracking purposes. + * + * @param spec Data that describes this file. Possible properties are: + * + * - uuid: Initial UUID for this file. + * - name: Initial name of this file. + * - size: Size of this file, omit if this cannot be determined + * - status: Initial `qq.status` for this file. Omit for `qq.status.SUBMITTING`. + * - batchId: ID of the batch this file belongs to + * - proxyGroupId: ID of the proxy group associated with this file + * + * @returns {number} Internal ID for this file. + */ + addFile: function(spec) { + var status = spec.status || qq.status.SUBMITTING, + id = data.push({ + name: spec.name, + originalName: spec.name, + uuid: spec.uuid, + size: spec.size == null ? -1 : spec.size, + status: status + }) - 1; + + if (spec.batchId) { + data[id].batchId = spec.batchId; + + if (byBatchId[spec.batchId] === undefined) { + byBatchId[spec.batchId] = []; + } + byBatchId[spec.batchId].push(id); + } + + if (spec.proxyGroupId) { + data[id].proxyGroupId = spec.proxyGroupId; + + if (byProxyGroupId[spec.proxyGroupId] === undefined) { + byProxyGroupId[spec.proxyGroupId] = []; + } + byProxyGroupId[spec.proxyGroupId].push(id); + } + + data[id].id = id; + byUuid[spec.uuid] = id; + + if (byStatus[status] === undefined) { + byStatus[status] = []; + } + byStatus[status].push(id); + + uploaderProxy.onStatusChange(id, null, status); + + return id; + }, + + retrieve: function(optionalFilter) { + if (qq.isObject(optionalFilter) && data.length) { + if (optionalFilter.id !== undefined) { + return getDataByIds(optionalFilter.id); + } + + else if (optionalFilter.uuid !== undefined) { + return getDataByUuids(optionalFilter.uuid); + } + + else if (optionalFilter.status) { + return getDataByStatus(optionalFilter.status); + } + } + else { + return qq.extend([], data, true); + } + }, + + reset: function() { + data = []; + byUuid = {}; + byStatus = {}; + byBatchId = {}; + }, + + setStatus: function(id, newStatus) { + var oldStatus = data[id].status, + byStatusOldStatusIndex = qq.indexOf(byStatus[oldStatus], id); + + byStatus[oldStatus].splice(byStatusOldStatusIndex, 1); + + data[id].status = newStatus; + + if (byStatus[newStatus] === undefined) { + byStatus[newStatus] = []; + } + byStatus[newStatus].push(id); + + uploaderProxy.onStatusChange(id, oldStatus, newStatus); + }, + + uuidChanged: function(id, newUuid) { + var oldUuid = data[id].uuid; + + data[id].uuid = newUuid; + byUuid[newUuid] = id; + delete byUuid[oldUuid]; + }, + + updateName: function(id, newName) { + data[id].name = newName; + }, + + updateSize: function(id, newSize) { + data[id].size = newSize; + }, + + // Only applicable if this file has a parent that we may want to reference later. + setParentId: function(targetId, parentId) { + data[targetId].parentId = parentId; + }, + + getIdsInProxyGroup: function(id) { + var proxyGroupId = data[id].proxyGroupId; + + if (proxyGroupId) { + return byProxyGroupId[proxyGroupId]; + } + return []; + }, + + getIdsInBatch: function(id) { + var batchId = data[id].batchId; + + return byBatchId[batchId]; + } + }); +}; + +qq.status = { + SUBMITTING: "submitting", + SUBMITTED: "submitted", + REJECTED: "rejected", + QUEUED: "queued", + CANCELED: "canceled", + PAUSED: "paused", + UPLOADING: "uploading", + UPLOAD_RETRYING: "retrying upload", + UPLOAD_SUCCESSFUL: "upload successful", + UPLOAD_FAILED: "upload failed", + DELETE_FAILED: "delete failed", + DELETING: "deleting", + DELETED: "deleted" +}; + +/*globals qq*/ +/** + * Defines the public API for FineUploaderBasic mode. + */ +(function() { + "use strict"; + + qq.basePublicApi = { + // DEPRECATED - TODO REMOVE IN NEXT MAJOR RELEASE (replaced by addFiles) + addBlobs: function(blobDataOrArray, params, endpoint) { + this.addFiles(blobDataOrArray, params, endpoint); + }, + + addInitialFiles: function(cannedFileList) { + var self = this; + + qq.each(cannedFileList, function(index, cannedFile) { + self._addCannedFile(cannedFile); + }); + }, + + addFiles: function(data, params, endpoint) { + this._maybeHandleIos8SafariWorkaround(); + + var batchId = this._storedIds.length === 0 ? qq.getUniqueId() : this._currentBatchId, + + processBlob = qq.bind(function(blob) { + this._handleNewFile({ + blob: blob, + name: this._options.blobs.defaultName + }, batchId, verifiedFiles); + }, this), + + processBlobData = qq.bind(function(blobData) { + this._handleNewFile(blobData, batchId, verifiedFiles); + }, this), + + processCanvas = qq.bind(function(canvas) { + var blob = qq.canvasToBlob(canvas); + + this._handleNewFile({ + blob: blob, + name: this._options.blobs.defaultName + ".png" + }, batchId, verifiedFiles); + }, this), + + processCanvasData = qq.bind(function(canvasData) { + var normalizedQuality = canvasData.quality && canvasData.quality / 100, + blob = qq.canvasToBlob(canvasData.canvas, canvasData.type, normalizedQuality); + + this._handleNewFile({ + blob: blob, + name: canvasData.name + }, batchId, verifiedFiles); + }, this), + + processFileOrInput = qq.bind(function(fileOrInput) { + if (qq.isInput(fileOrInput) && qq.supportedFeatures.ajaxUploading) { + var files = Array.prototype.slice.call(fileOrInput.files), + self = this; + + qq.each(files, function(idx, file) { + self._handleNewFile(file, batchId, verifiedFiles); + }); + } + else { + this._handleNewFile(fileOrInput, batchId, verifiedFiles); + } + }, this), + + normalizeData = function() { + if (qq.isFileList(data)) { + data = Array.prototype.slice.call(data); + } + data = [].concat(data); + }, + + self = this, + verifiedFiles = []; + + this._currentBatchId = batchId; + + if (data) { + normalizeData(); + + qq.each(data, function(idx, fileContainer) { + if (qq.isFileOrInput(fileContainer)) { + processFileOrInput(fileContainer); + } + else if (qq.isBlob(fileContainer)) { + processBlob(fileContainer); + } + else if (qq.isObject(fileContainer)) { + if (fileContainer.blob && fileContainer.name) { + processBlobData(fileContainer); + } + else if (fileContainer.canvas && fileContainer.name) { + processCanvasData(fileContainer); + } + } + else if (fileContainer.tagName && fileContainer.tagName.toLowerCase() === "canvas") { + processCanvas(fileContainer); + } + else { + self.log(fileContainer + " is not a valid file container! Ignoring!", "warn"); + } + }); + + this.log("Received " + verifiedFiles.length + " files."); + this._prepareItemsForUpload(verifiedFiles, params, endpoint); + } + }, + + cancel: function(id) { + this._handler.cancel(id); + }, + + cancelAll: function() { + var storedIdsCopy = [], + self = this; + + qq.extend(storedIdsCopy, this._storedIds); + qq.each(storedIdsCopy, function(idx, storedFileId) { + self.cancel(storedFileId); + }); + + this._handler.cancelAll(); + }, + + clearStoredFiles: function() { + this._storedIds = []; + }, + + continueUpload: function(id) { + var uploadData = this._uploadData.retrieve({id: id}); + + if (!qq.supportedFeatures.pause || !this._options.chunking.enabled) { + return false; + } + + if (uploadData.status === qq.status.PAUSED) { + this.log(qq.format("Paused file ID {} ({}) will be continued. Not paused.", id, this.getName(id))); + this._uploadFile(id); + return true; + } + else { + this.log(qq.format("Ignoring continue for file ID {} ({}). Not paused.", id, this.getName(id)), "error"); + } + + return false; + }, + + deleteFile: function(id) { + return this._onSubmitDelete(id); + }, + + // TODO document? + doesExist: function(fileOrBlobId) { + return this._handler.isValid(fileOrBlobId); + }, + + // Generate a variable size thumbnail on an img or canvas, + // returning a promise that is fulfilled when the attempt completes. + // Thumbnail can either be based off of a URL for an image returned + // by the server in the upload response, or the associated `Blob`. + drawThumbnail: function(fileId, imgOrCanvas, maxSize, fromServer, customResizeFunction) { + var promiseToReturn = new qq.Promise(), + fileOrUrl, options; + + if (this._imageGenerator) { + fileOrUrl = this._thumbnailUrls[fileId]; + options = { + customResizeFunction: customResizeFunction, + maxSize: maxSize > 0 ? maxSize : null, + scale: maxSize > 0 + }; + + // If client-side preview generation is possible + // and we are not specifically looking for the image URl returned by the server... + if (!fromServer && qq.supportedFeatures.imagePreviews) { + fileOrUrl = this.getFile(fileId); + } + + /* jshint eqeqeq:false,eqnull:true */ + if (fileOrUrl == null) { + promiseToReturn.failure({container: imgOrCanvas, error: "File or URL not found."}); + } + else { + this._imageGenerator.generate(fileOrUrl, imgOrCanvas, options).then( + function success(modifiedContainer) { + promiseToReturn.success(modifiedContainer); + }, + + function failure(container, reason) { + promiseToReturn.failure({container: container, error: reason || "Problem generating thumbnail"}); + } + ); + } + } + else { + promiseToReturn.failure({container: imgOrCanvas, error: "Missing image generator module"}); + } + + return promiseToReturn; + }, + + getButton: function(fileId) { + return this._getButton(this._buttonIdsForFileIds[fileId]); + }, + + getEndpoint: function(fileId) { + return this._endpointStore.get(fileId); + }, + + getFile: function(fileOrBlobId) { + return this._handler.getFile(fileOrBlobId) || null; + }, + + getInProgress: function() { + return this._uploadData.retrieve({ + status: [ + qq.status.UPLOADING, + qq.status.UPLOAD_RETRYING, + qq.status.QUEUED + ] + }).length; + }, + + getName: function(id) { + return this._uploadData.retrieve({id: id}).name; + }, + + // Parent ID for a specific file, or null if this is the parent, or if it has no parent. + getParentId: function(id) { + var uploadDataEntry = this.getUploads({id: id}), + parentId = null; + + if (uploadDataEntry) { + if (uploadDataEntry.parentId !== undefined) { + parentId = uploadDataEntry.parentId; + } + } + + return parentId; + }, + + getResumableFilesData: function() { + return this._handler.getResumableFilesData(); + }, + + getSize: function(id) { + return this._uploadData.retrieve({id: id}).size; + }, + + getNetUploads: function() { + return this._netUploaded; + }, + + getRemainingAllowedItems: function() { + var allowedItems = this._currentItemLimit; + + if (allowedItems > 0) { + return allowedItems - this._netUploadedOrQueued; + } + + return null; + }, + + getUploads: function(optionalFilter) { + return this._uploadData.retrieve(optionalFilter); + }, + + getUuid: function(id) { + return this._uploadData.retrieve({id: id}).uuid; + }, + + log: function(str, level) { + if (this._options.debug && (!level || level === "info")) { + qq.log("[Fine Uploader " + qq.version + "] " + str); + } + else if (level && level !== "info") { + qq.log("[Fine Uploader " + qq.version + "] " + str, level); + + } + }, + + pauseUpload: function(id) { + var uploadData = this._uploadData.retrieve({id: id}); + + if (!qq.supportedFeatures.pause || !this._options.chunking.enabled) { + return false; + } + + // Pause only really makes sense if the file is uploading or retrying + if (qq.indexOf([qq.status.UPLOADING, qq.status.UPLOAD_RETRYING], uploadData.status) >= 0) { + if (this._handler.pause(id)) { + this._uploadData.setStatus(id, qq.status.PAUSED); + return true; + } + else { + this.log(qq.format("Unable to pause file ID {} ({}).", id, this.getName(id)), "error"); + } + } + else { + this.log(qq.format("Ignoring pause for file ID {} ({}). Not in progress.", id, this.getName(id)), "error"); + } + + return false; + }, + + reset: function() { + this.log("Resetting uploader..."); + + this._handler.reset(); + this._storedIds = []; + this._autoRetries = []; + this._retryTimeouts = []; + this._preventRetries = []; + this._thumbnailUrls = []; + + qq.each(this._buttons, function(idx, button) { + button.reset(); + }); + + this._paramsStore.reset(); + this._endpointStore.reset(); + this._netUploadedOrQueued = 0; + this._netUploaded = 0; + this._uploadData.reset(); + this._buttonIdsForFileIds = []; + + this._pasteHandler && this._pasteHandler.reset(); + this._options.session.refreshOnReset && this._refreshSessionData(); + + this._succeededSinceLastAllComplete = []; + this._failedSinceLastAllComplete = []; + + this._totalProgress && this._totalProgress.reset(); + }, + + retry: function(id) { + return this._manualRetry(id); + }, + + scaleImage: function(id, specs) { + var self = this; + + return qq.Scaler.prototype.scaleImage(id, specs, { + log: qq.bind(self.log, self), + getFile: qq.bind(self.getFile, self), + uploadData: self._uploadData + }); + }, + + setCustomHeaders: function(headers, id) { + this._customHeadersStore.set(headers, id); + }, + + setDeleteFileCustomHeaders: function(headers, id) { + this._deleteFileCustomHeadersStore.set(headers, id); + }, + + setDeleteFileEndpoint: function(endpoint, id) { + this._deleteFileEndpointStore.set(endpoint, id); + }, + + setDeleteFileParams: function(params, id) { + this._deleteFileParamsStore.set(params, id); + }, + + // Re-sets the default endpoint, an endpoint for a specific file, or an endpoint for a specific button + setEndpoint: function(endpoint, id) { + this._endpointStore.set(endpoint, id); + }, + + setForm: function(elementOrId) { + this._updateFormSupportAndParams(elementOrId); + }, + + setItemLimit: function(newItemLimit) { + this._currentItemLimit = newItemLimit; + }, + + setName: function(id, newName) { + this._uploadData.updateName(id, newName); + }, + + setParams: function(params, id) { + this._paramsStore.set(params, id); + }, + + setUuid: function(id, newUuid) { + return this._uploadData.uuidChanged(id, newUuid); + }, + + uploadStoredFiles: function() { + if (this._storedIds.length === 0) { + this._itemError("noFilesError"); + } + else { + this._uploadStoredFiles(); + } + } + }; + + /** + * Defines the private (internal) API for FineUploaderBasic mode. + */ + qq.basePrivateApi = { + // Updates internal state with a file record (not backed by a live file). Returns the assigned ID. + _addCannedFile: function(sessionData) { + var id = this._uploadData.addFile({ + uuid: sessionData.uuid, + name: sessionData.name, + size: sessionData.size, + status: qq.status.UPLOAD_SUCCESSFUL + }); + + sessionData.deleteFileEndpoint && this.setDeleteFileEndpoint(sessionData.deleteFileEndpoint, id); + sessionData.deleteFileParams && this.setDeleteFileParams(sessionData.deleteFileParams, id); + + if (sessionData.thumbnailUrl) { + this._thumbnailUrls[id] = sessionData.thumbnailUrl; + } + + this._netUploaded++; + this._netUploadedOrQueued++; + + return id; + }, + + _annotateWithButtonId: function(file, associatedInput) { + if (qq.isFile(file)) { + file.qqButtonId = this._getButtonId(associatedInput); + } + }, + + _batchError: function(message) { + this._options.callbacks.onError(null, null, message, undefined); + }, + + _createDeleteHandler: function() { + var self = this; + + return new qq.DeleteFileAjaxRequester({ + method: this._options.deleteFile.method.toUpperCase(), + maxConnections: this._options.maxConnections, + uuidParamName: this._options.request.uuidName, + customHeaders: this._deleteFileCustomHeadersStore, + paramsStore: this._deleteFileParamsStore, + endpointStore: this._deleteFileEndpointStore, + cors: this._options.cors, + log: qq.bind(self.log, self), + onDelete: function(id) { + self._onDelete(id); + self._options.callbacks.onDelete(id); + }, + onDeleteComplete: function(id, xhrOrXdr, isError) { + self._onDeleteComplete(id, xhrOrXdr, isError); + self._options.callbacks.onDeleteComplete(id, xhrOrXdr, isError); + } + + }); + }, + + _createPasteHandler: function() { + var self = this; + + return new qq.PasteSupport({ + targetElement: this._options.paste.targetElement, + callbacks: { + log: qq.bind(self.log, self), + pasteReceived: function(blob) { + self._handleCheckedCallback({ + name: "onPasteReceived", + callback: qq.bind(self._options.callbacks.onPasteReceived, self, blob), + onSuccess: qq.bind(self._handlePasteSuccess, self, blob), + identifier: "pasted image" + }); + } + } + }); + }, + + _createStore: function(initialValue, _readOnlyValues_) { + var store = {}, + catchall = initialValue, + perIdReadOnlyValues = {}, + readOnlyValues = _readOnlyValues_, + copy = function(orig) { + if (qq.isObject(orig)) { + return qq.extend({}, orig); + } + return orig; + }, + getReadOnlyValues = function() { + if (qq.isFunction(readOnlyValues)) { + return readOnlyValues(); + } + return readOnlyValues; + }, + includeReadOnlyValues = function(id, existing) { + if (readOnlyValues && qq.isObject(existing)) { + qq.extend(existing, getReadOnlyValues()); + } + + if (perIdReadOnlyValues[id]) { + qq.extend(existing, perIdReadOnlyValues[id]); + } + }; + + return { + set: function(val, id) { + /*jshint eqeqeq: true, eqnull: true*/ + if (id == null) { + store = {}; + catchall = copy(val); + } + else { + store[id] = copy(val); + } + }, + + get: function(id) { + var values; + + /*jshint eqeqeq: true, eqnull: true*/ + if (id != null && store[id]) { + values = store[id]; + } + else { + values = copy(catchall); + } + + includeReadOnlyValues(id, values); + + return copy(values); + }, + + addReadOnly: function(id, values) { + // Only applicable to Object stores + if (qq.isObject(store)) { + // If null ID, apply readonly values to all files + if (id === null) { + if (qq.isFunction(values)) { + readOnlyValues = values; + } + else { + readOnlyValues = readOnlyValues || {}; + qq.extend(readOnlyValues, values); + } + } + else { + perIdReadOnlyValues[id] = perIdReadOnlyValues[id] || {}; + qq.extend(perIdReadOnlyValues[id], values); + } + } + }, + + remove: function(fileId) { + return delete store[fileId]; + }, + + reset: function() { + store = {}; + perIdReadOnlyValues = {}; + catchall = initialValue; + } + }; + }, + + _createUploadDataTracker: function() { + var self = this; + + return new qq.UploadData({ + getName: function(id) { + return self.getName(id); + }, + getUuid: function(id) { + return self.getUuid(id); + }, + getSize: function(id) { + return self.getSize(id); + }, + onStatusChange: function(id, oldStatus, newStatus) { + self._onUploadStatusChange(id, oldStatus, newStatus); + self._options.callbacks.onStatusChange(id, oldStatus, newStatus); + self._maybeAllComplete(id, newStatus); + + if (self._totalProgress) { + setTimeout(function() { + self._totalProgress.onStatusChange(id, oldStatus, newStatus); + }, 0); + } + } + }); + }, + + /** + * Generate a tracked upload button. + * + * @param spec Object containing a required `element` property + * along with optional `multiple`, `accept`, and `folders`. + * @returns {qq.UploadButton} + * @private + */ + _createUploadButton: function(spec) { + var self = this, + acceptFiles = spec.accept || this._options.validation.acceptFiles, + allowedExtensions = spec.allowedExtensions || this._options.validation.allowedExtensions, + button; + + function allowMultiple() { + if (qq.supportedFeatures.ajaxUploading) { + // Workaround for bug in iOS7+ (see #1039) + if (self._options.workarounds.iosEmptyVideos && + qq.ios() && + !qq.ios6() && + self._isAllowedExtension(allowedExtensions, ".mov")) { + + return false; + } + + if (spec.multiple === undefined) { + return self._options.multiple; + } + + return spec.multiple; + } + + return false; + } + + button = new qq.UploadButton({ + acceptFiles: acceptFiles, + element: spec.element, + focusClass: this._options.classes.buttonFocus, + folders: spec.folders, + hoverClass: this._options.classes.buttonHover, + ios8BrowserCrashWorkaround: this._options.workarounds.ios8BrowserCrash, + multiple: allowMultiple(), + name: this._options.request.inputName, + onChange: function(input) { + self._onInputChange(input); + }, + title: spec.title == null ? this._options.text.fileInputTitle : spec.title + }); + + this._disposeSupport.addDisposer(function() { + button.dispose(); + }); + + self._buttons.push(button); + + return button; + }, + + _createUploadHandler: function(additionalOptions, namespace) { + var self = this, + lastOnProgress = {}, + options = { + debug: this._options.debug, + maxConnections: this._options.maxConnections, + cors: this._options.cors, + paramsStore: this._paramsStore, + endpointStore: this._endpointStore, + chunking: this._options.chunking, + resume: this._options.resume, + blobs: this._options.blobs, + log: qq.bind(self.log, self), + preventRetryParam: this._options.retry.preventRetryResponseProperty, + onProgress: function(id, name, loaded, total) { + if (loaded < 0 || total < 0) { + return; + } + + if (lastOnProgress[id]) { + if (lastOnProgress[id].loaded !== loaded || lastOnProgress[id].total !== total) { + self._onProgress(id, name, loaded, total); + self._options.callbacks.onProgress(id, name, loaded, total); + } + } + else { + self._onProgress(id, name, loaded, total); + self._options.callbacks.onProgress(id, name, loaded, total); + } + + lastOnProgress[id] = {loaded: loaded, total: total}; + + }, + onComplete: function(id, name, result, xhr) { + delete lastOnProgress[id]; + + var status = self.getUploads({id: id}).status, + retVal; + + // This is to deal with some observed cases where the XHR readyStateChange handler is + // invoked by the browser multiple times for the same XHR instance with the same state + // readyState value. Higher level: don't invoke complete-related code if we've already + // done this. + if (status === qq.status.UPLOAD_SUCCESSFUL || status === qq.status.UPLOAD_FAILED) { + return; + } + + retVal = self._onComplete(id, name, result, xhr); + + // If the internal `_onComplete` handler returns a promise, don't invoke the `onComplete` callback + // until the promise has been fulfilled. + if (retVal instanceof qq.Promise) { + retVal.done(function() { + self._options.callbacks.onComplete(id, name, result, xhr); + }); + } + else { + self._options.callbacks.onComplete(id, name, result, xhr); + } + }, + onCancel: function(id, name, cancelFinalizationEffort) { + var promise = new qq.Promise(); + + self._handleCheckedCallback({ + name: "onCancel", + callback: qq.bind(self._options.callbacks.onCancel, self, id, name), + onFailure: promise.failure, + onSuccess: function() { + cancelFinalizationEffort.then(function() { + self._onCancel(id, name); + }); + + promise.success(); + }, + identifier: id + }); + + return promise; + }, + onUploadPrep: qq.bind(this._onUploadPrep, this), + onUpload: function(id, name) { + self._onUpload(id, name); + self._options.callbacks.onUpload(id, name); + }, + onUploadChunk: function(id, name, chunkData) { + self._onUploadChunk(id, chunkData); + self._options.callbacks.onUploadChunk(id, name, chunkData); + }, + onUploadChunkSuccess: function(id, chunkData, result, xhr) { + self._options.callbacks.onUploadChunkSuccess.apply(self, arguments); + }, + onResume: function(id, name, chunkData) { + return self._options.callbacks.onResume(id, name, chunkData); + }, + onAutoRetry: function(id, name, responseJSON, xhr) { + return self._onAutoRetry.apply(self, arguments); + }, + onUuidChanged: function(id, newUuid) { + self.log("Server requested UUID change from '" + self.getUuid(id) + "' to '" + newUuid + "'"); + self.setUuid(id, newUuid); + }, + getName: qq.bind(self.getName, self), + getUuid: qq.bind(self.getUuid, self), + getSize: qq.bind(self.getSize, self), + setSize: qq.bind(self._setSize, self), + getDataByUuid: function(uuid) { + return self.getUploads({uuid: uuid}); + }, + isQueued: function(id) { + var status = self.getUploads({id: id}).status; + return status === qq.status.QUEUED || + status === qq.status.SUBMITTED || + status === qq.status.UPLOAD_RETRYING || + status === qq.status.PAUSED; + }, + getIdsInProxyGroup: self._uploadData.getIdsInProxyGroup, + getIdsInBatch: self._uploadData.getIdsInBatch + }; + + qq.each(this._options.request, function(prop, val) { + options[prop] = val; + }); + + options.customHeaders = this._customHeadersStore; + + if (additionalOptions) { + qq.each(additionalOptions, function(key, val) { + options[key] = val; + }); + } + + return new qq.UploadHandlerController(options, namespace); + }, + + _fileOrBlobRejected: function(id) { + this._netUploadedOrQueued--; + this._uploadData.setStatus(id, qq.status.REJECTED); + }, + + _formatSize: function(bytes) { + var i = -1; + do { + bytes = bytes / 1000; + i++; + } while (bytes > 999); + + return Math.max(bytes, 0.1).toFixed(1) + this._options.text.sizeSymbols[i]; + }, + + // Creates an internal object that tracks various properties of each extra button, + // and then actually creates the extra button. + _generateExtraButtonSpecs: function() { + var self = this; + + this._extraButtonSpecs = {}; + + qq.each(this._options.extraButtons, function(idx, extraButtonOptionEntry) { + var multiple = extraButtonOptionEntry.multiple, + validation = qq.extend({}, self._options.validation, true), + extraButtonSpec = qq.extend({}, extraButtonOptionEntry); + + if (multiple === undefined) { + multiple = self._options.multiple; + } + + if (extraButtonSpec.validation) { + qq.extend(validation, extraButtonOptionEntry.validation, true); + } + + qq.extend(extraButtonSpec, { + multiple: multiple, + validation: validation + }, true); + + self._initExtraButton(extraButtonSpec); + }); + }, + + _getButton: function(buttonId) { + var extraButtonsSpec = this._extraButtonSpecs[buttonId]; + + if (extraButtonsSpec) { + return extraButtonsSpec.element; + } + else if (buttonId === this._defaultButtonId) { + return this._options.button; + } + }, + + /** + * Gets the internally used tracking ID for a button. + * + * @param buttonOrFileInputOrFile `File`, ``, or a button container element + * @returns {*} The button's ID, or undefined if no ID is recoverable + * @private + */ + _getButtonId: function(buttonOrFileInputOrFile) { + var inputs, fileInput, + fileBlobOrInput = buttonOrFileInputOrFile; + + // We want the reference file/blob here if this is a proxy (a file that will be generated on-demand later) + if (fileBlobOrInput instanceof qq.BlobProxy) { + fileBlobOrInput = fileBlobOrInput.referenceBlob; + } + + // If the item is a `Blob` it will never be associated with a button or drop zone. + if (fileBlobOrInput && !qq.isBlob(fileBlobOrInput)) { + if (qq.isFile(fileBlobOrInput)) { + return fileBlobOrInput.qqButtonId; + } + else if (fileBlobOrInput.tagName.toLowerCase() === "input" && + fileBlobOrInput.type.toLowerCase() === "file") { + + return fileBlobOrInput.getAttribute(qq.UploadButton.BUTTON_ID_ATTR_NAME); + } + + inputs = fileBlobOrInput.getElementsByTagName("input"); + + qq.each(inputs, function(idx, input) { + if (input.getAttribute("type") === "file") { + fileInput = input; + return false; + } + }); + + if (fileInput) { + return fileInput.getAttribute(qq.UploadButton.BUTTON_ID_ATTR_NAME); + } + } + }, + + _getNotFinished: function() { + return this._uploadData.retrieve({ + status: [ + qq.status.UPLOADING, + qq.status.UPLOAD_RETRYING, + qq.status.QUEUED, + qq.status.SUBMITTING, + qq.status.SUBMITTED, + qq.status.PAUSED + ] + }).length; + }, + + // Get the validation options for this button. Could be the default validation option + // or a specific one assigned to this particular button. + _getValidationBase: function(buttonId) { + var extraButtonSpec = this._extraButtonSpecs[buttonId]; + + return extraButtonSpec ? extraButtonSpec.validation : this._options.validation; + }, + + _getValidationDescriptor: function(fileWrapper) { + if (fileWrapper.file instanceof qq.BlobProxy) { + return { + name: qq.getFilename(fileWrapper.file.referenceBlob), + size: fileWrapper.file.referenceBlob.size + }; + } + + return { + name: this.getUploads({id: fileWrapper.id}).name, + size: this.getUploads({id: fileWrapper.id}).size + }; + }, + + _getValidationDescriptors: function(fileWrappers) { + var self = this, + fileDescriptors = []; + + qq.each(fileWrappers, function(idx, fileWrapper) { + fileDescriptors.push(self._getValidationDescriptor(fileWrapper)); + }); + + return fileDescriptors; + }, + + // Allows camera access on either the default or an extra button for iOS devices. + _handleCameraAccess: function() { + if (this._options.camera.ios && qq.ios()) { + var acceptIosCamera = "image/*;capture=camera", + button = this._options.camera.button, + buttonId = button ? this._getButtonId(button) : this._defaultButtonId, + optionRoot = this._options; + + // If we are not targeting the default button, it is an "extra" button + if (buttonId && buttonId !== this._defaultButtonId) { + optionRoot = this._extraButtonSpecs[buttonId]; + } + + // Camera access won't work in iOS if the `multiple` attribute is present on the file input + optionRoot.multiple = false; + + // update the options + if (optionRoot.validation.acceptFiles === null) { + optionRoot.validation.acceptFiles = acceptIosCamera; + } + else { + optionRoot.validation.acceptFiles += "," + acceptIosCamera; + } + + // update the already-created button + qq.each(this._buttons, function(idx, button) { + if (button.getButtonId() === buttonId) { + button.setMultiple(optionRoot.multiple); + button.setAcceptFiles(optionRoot.acceptFiles); + + return false; + } + }); + } + }, + + _handleCheckedCallback: function(details) { + var self = this, + callbackRetVal = details.callback(); + + if (qq.isGenericPromise(callbackRetVal)) { + this.log(details.name + " - waiting for " + details.name + " promise to be fulfilled for " + details.identifier); + return callbackRetVal.then( + function(successParam) { + self.log(details.name + " promise success for " + details.identifier); + details.onSuccess(successParam); + }, + function() { + if (details.onFailure) { + self.log(details.name + " promise failure for " + details.identifier); + details.onFailure(); + } + else { + self.log(details.name + " promise failure for " + details.identifier); + } + }); + } + + if (callbackRetVal !== false) { + details.onSuccess(callbackRetVal); + } + else { + if (details.onFailure) { + this.log(details.name + " - return value was 'false' for " + details.identifier + ". Invoking failure callback."); + details.onFailure(); + } + else { + this.log(details.name + " - return value was 'false' for " + details.identifier + ". Will not proceed."); + } + } + + return callbackRetVal; + }, + + // Updates internal state when a new file has been received, and adds it along with its ID to a passed array. + _handleNewFile: function(file, batchId, newFileWrapperList) { + var self = this, + uuid = qq.getUniqueId(), + size = -1, + name = qq.getFilename(file), + actualFile = file.blob || file, + handler = this._customNewFileHandler ? + this._customNewFileHandler : + qq.bind(self._handleNewFileGeneric, self); + + if (!qq.isInput(actualFile) && actualFile.size >= 0) { + size = actualFile.size; + } + + handler(actualFile, name, uuid, size, newFileWrapperList, batchId, this._options.request.uuidName, { + uploadData: self._uploadData, + paramsStore: self._paramsStore, + addFileToHandler: function(id, file) { + self._handler.add(id, file); + self._netUploadedOrQueued++; + self._trackButton(id); + } + }); + }, + + _handleNewFileGeneric: function(file, name, uuid, size, fileList, batchId) { + var id = this._uploadData.addFile({uuid: uuid, name: name, size: size, batchId: batchId}); + + this._handler.add(id, file); + this._trackButton(id); + + this._netUploadedOrQueued++; + + fileList.push({id: id, file: file}); + }, + + _handlePasteSuccess: function(blob, extSuppliedName) { + var extension = blob.type.split("/")[1], + name = extSuppliedName; + + /*jshint eqeqeq: true, eqnull: true*/ + if (name == null) { + name = this._options.paste.defaultName; + } + + name += "." + extension; + + this.addFiles({ + name: name, + blob: blob + }); + }, + + // Creates an extra button element + _initExtraButton: function(spec) { + var button = this._createUploadButton({ + accept: spec.validation.acceptFiles, + allowedExtensions: spec.validation.allowedExtensions, + element: spec.element, + folders: spec.folders, + multiple: spec.multiple, + title: spec.fileInputTitle + }); + + this._extraButtonSpecs[button.getButtonId()] = spec; + }, + + _initFormSupportAndParams: function() { + this._formSupport = qq.FormSupport && new qq.FormSupport( + this._options.form, qq.bind(this.uploadStoredFiles, this), qq.bind(this.log, this) + ); + + if (this._formSupport && this._formSupport.attachedToForm) { + this._paramsStore = this._createStore( + this._options.request.params, this._formSupport.getFormInputsAsObject + ); + + this._options.autoUpload = this._formSupport.newAutoUpload; + if (this._formSupport.newEndpoint) { + this._options.request.endpoint = this._formSupport.newEndpoint; + } + } + else { + this._paramsStore = this._createStore(this._options.request.params); + } + }, + + _isDeletePossible: function() { + if (!qq.DeleteFileAjaxRequester || !this._options.deleteFile.enabled) { + return false; + } + + if (this._options.cors.expected) { + if (qq.supportedFeatures.deleteFileCorsXhr) { + return true; + } + + if (qq.supportedFeatures.deleteFileCorsXdr && this._options.cors.allowXdr) { + return true; + } + + return false; + } + + return true; + }, + + _isAllowedExtension: function(allowed, fileName) { + var valid = false; + + if (!allowed.length) { + return true; + } + + qq.each(allowed, function(idx, allowedExt) { + /** + * If an argument is not a string, ignore it. Added when a possible issue with MooTools hijacking the + * `allowedExtensions` array was discovered. See case #735 in the issue tracker for more details. + */ + if (qq.isString(allowedExt)) { + /*jshint eqeqeq: true, eqnull: true*/ + var extRegex = new RegExp("\\." + allowedExt + "$", "i"); + + if (fileName.match(extRegex) != null) { + valid = true; + return false; + } + } + }); + + return valid; + }, + + /** + * Constructs and returns a message that describes an item/file error. Also calls `onError` callback. + * + * @param code REQUIRED - a code that corresponds to a stock message describing this type of error + * @param maybeNameOrNames names of the items that have failed, if applicable + * @param item `File`, `Blob`, or `` + * @private + */ + _itemError: function(code, maybeNameOrNames, item) { + var message = this._options.messages[code], + allowedExtensions = [], + names = [].concat(maybeNameOrNames), + name = names[0], + buttonId = this._getButtonId(item), + validationBase = this._getValidationBase(buttonId), + extensionsForMessage, placeholderMatch; + + function r(name, replacement) { message = message.replace(name, replacement); } + + qq.each(validationBase.allowedExtensions, function(idx, allowedExtension) { + /** + * If an argument is not a string, ignore it. Added when a possible issue with MooTools hijacking the + * `allowedExtensions` array was discovered. See case #735 in the issue tracker for more details. + */ + if (qq.isString(allowedExtension)) { + allowedExtensions.push(allowedExtension); + } + }); + + extensionsForMessage = allowedExtensions.join(", ").toLowerCase(); + + r("{file}", this._options.formatFileName(name)); + r("{extensions}", extensionsForMessage); + r("{sizeLimit}", this._formatSize(validationBase.sizeLimit)); + r("{minSizeLimit}", this._formatSize(validationBase.minSizeLimit)); + + placeholderMatch = message.match(/(\{\w+\})/g); + if (placeholderMatch !== null) { + qq.each(placeholderMatch, function(idx, placeholder) { + r(placeholder, names[idx]); + }); + } + + this._options.callbacks.onError(null, name, message, undefined); + + return message; + }, + + /** + * Conditionally orders a manual retry of a failed upload. + * + * @param id File ID of the failed upload + * @param callback Optional callback to invoke if a retry is prudent. + * In lieu of asking the upload handler to retry. + * @returns {boolean} true if a manual retry will occur + * @private + */ + _manualRetry: function(id, callback) { + if (this._onBeforeManualRetry(id)) { + this._netUploadedOrQueued++; + this._uploadData.setStatus(id, qq.status.UPLOAD_RETRYING); + + if (callback) { + callback(id); + } + else { + this._handler.retry(id); + } + + return true; + } + }, + + _maybeAllComplete: function(id, status) { + var self = this, + notFinished = this._getNotFinished(); + + if (status === qq.status.UPLOAD_SUCCESSFUL) { + this._succeededSinceLastAllComplete.push(id); + } + else if (status === qq.status.UPLOAD_FAILED) { + this._failedSinceLastAllComplete.push(id); + } + + if (notFinished === 0 && + (this._succeededSinceLastAllComplete.length || this._failedSinceLastAllComplete.length)) { + // Attempt to ensure onAllComplete is not invoked before other callbacks, such as onCancel & onComplete + setTimeout(function() { + self._onAllComplete(self._succeededSinceLastAllComplete, self._failedSinceLastAllComplete); + }, 0); + } + }, + + _maybeHandleIos8SafariWorkaround: function() { + var self = this; + + if (this._options.workarounds.ios8SafariUploads && qq.ios800() && qq.iosSafari()) { + setTimeout(function() { + window.alert(self._options.messages.unsupportedBrowserIos8Safari); + }, 0); + throw new qq.Error(this._options.messages.unsupportedBrowserIos8Safari); + } + }, + + _maybeParseAndSendUploadError: function(id, name, response, xhr) { + // Assuming no one will actually set the response code to something other than 200 + // and still set 'success' to true... + if (!response.success) { + if (xhr && xhr.status !== 200 && !response.error) { + this._options.callbacks.onError(id, name, "XHR returned response code " + xhr.status, xhr); + } + else { + var errorReason = response.error ? response.error : this._options.text.defaultResponseError; + this._options.callbacks.onError(id, name, errorReason, xhr); + } + } + }, + + _maybeProcessNextItemAfterOnValidateCallback: function(validItem, items, index, params, endpoint) { + var self = this; + + if (items.length > index) { + if (validItem || !this._options.validation.stopOnFirstInvalidFile) { + //use setTimeout to prevent a stack overflow with a large number of files in the batch & non-promissory callbacks + setTimeout(function() { + var validationDescriptor = self._getValidationDescriptor(items[index]), + buttonId = self._getButtonId(items[index].file), + button = self._getButton(buttonId); + + self._handleCheckedCallback({ + name: "onValidate", + callback: qq.bind(self._options.callbacks.onValidate, self, validationDescriptor, button), + onSuccess: qq.bind(self._onValidateCallbackSuccess, self, items, index, params, endpoint), + onFailure: qq.bind(self._onValidateCallbackFailure, self, items, index, params, endpoint), + identifier: "Item '" + validationDescriptor.name + "', size: " + validationDescriptor.size + }); + }, 0); + } + else if (!validItem) { + for (; index < items.length; index++) { + self._fileOrBlobRejected(items[index].id); + } + } + } + }, + + _onAllComplete: function(successful, failed) { + this._totalProgress && this._totalProgress.onAllComplete(successful, failed, this._preventRetries); + + this._options.callbacks.onAllComplete(qq.extend([], successful), qq.extend([], failed)); + + this._succeededSinceLastAllComplete = []; + this._failedSinceLastAllComplete = []; + }, + + /** + * Attempt to automatically retry a failed upload. + * + * @param id The file ID of the failed upload + * @param name The name of the file associated with the failed upload + * @param responseJSON Response from the server, parsed into a javascript object + * @param xhr Ajax transport used to send the failed request + * @param callback Optional callback to be invoked if a retry is prudent. + * Invoked in lieu of asking the upload handler to retry. + * @returns {boolean} true if an auto-retry will occur + * @private + */ + _onAutoRetry: function(id, name, responseJSON, xhr, callback) { + var self = this; + + self._preventRetries[id] = responseJSON[self._options.retry.preventRetryResponseProperty]; + + if (self._shouldAutoRetry(id, name, responseJSON)) { + self._maybeParseAndSendUploadError.apply(self, arguments); + self._options.callbacks.onAutoRetry(id, name, self._autoRetries[id]); + self._onBeforeAutoRetry(id, name); + + self._retryTimeouts[id] = setTimeout(function() { + self.log("Retrying " + name + "..."); + self._uploadData.setStatus(id, qq.status.UPLOAD_RETRYING); + + if (callback) { + callback(id); + } + else { + self._handler.retry(id); + } + }, self._options.retry.autoAttemptDelay * 1000); + + return true; + } + }, + + _onBeforeAutoRetry: function(id, name) { + this.log("Waiting " + this._options.retry.autoAttemptDelay + " seconds before retrying " + name + "..."); + }, + + //return false if we should not attempt the requested retry + _onBeforeManualRetry: function(id) { + var itemLimit = this._currentItemLimit, + fileName; + + if (this._preventRetries[id]) { + this.log("Retries are forbidden for id " + id, "warn"); + return false; + } + else if (this._handler.isValid(id)) { + fileName = this.getName(id); + + if (this._options.callbacks.onManualRetry(id, fileName) === false) { + return false; + } + + if (itemLimit > 0 && this._netUploadedOrQueued + 1 > itemLimit) { + this._itemError("retryFailTooManyItems"); + return false; + } + + this.log("Retrying upload for '" + fileName + "' (id: " + id + ")..."); + return true; + } + else { + this.log("'" + id + "' is not a valid file ID", "error"); + return false; + } + }, + + _onCancel: function(id, name) { + this._netUploadedOrQueued--; + + clearTimeout(this._retryTimeouts[id]); + + var storedItemIndex = qq.indexOf(this._storedIds, id); + if (!this._options.autoUpload && storedItemIndex >= 0) { + this._storedIds.splice(storedItemIndex, 1); + } + + this._uploadData.setStatus(id, qq.status.CANCELED); + }, + + _onComplete: function(id, name, result, xhr) { + if (!result.success) { + this._netUploadedOrQueued--; + this._uploadData.setStatus(id, qq.status.UPLOAD_FAILED); + + if (result[this._options.retry.preventRetryResponseProperty] === true) { + this._preventRetries[id] = true; + } + } + else { + if (result.thumbnailUrl) { + this._thumbnailUrls[id] = result.thumbnailUrl; + } + + this._netUploaded++; + this._uploadData.setStatus(id, qq.status.UPLOAD_SUCCESSFUL); + } + + this._maybeParseAndSendUploadError(id, name, result, xhr); + + return result.success ? true : false; + }, + + _onDelete: function(id) { + this._uploadData.setStatus(id, qq.status.DELETING); + }, + + _onDeleteComplete: function(id, xhrOrXdr, isError) { + var name = this.getName(id); + + if (isError) { + this._uploadData.setStatus(id, qq.status.DELETE_FAILED); + this.log("Delete request for '" + name + "' has failed.", "error"); + + // For error reporting, we only have access to the response status if this is not + // an `XDomainRequest`. + if (xhrOrXdr.withCredentials === undefined) { + this._options.callbacks.onError(id, name, "Delete request failed", xhrOrXdr); + } + else { + this._options.callbacks.onError(id, name, "Delete request failed with response code " + xhrOrXdr.status, xhrOrXdr); + } + } + else { + this._netUploadedOrQueued--; + this._netUploaded--; + this._handler.expunge(id); + this._uploadData.setStatus(id, qq.status.DELETED); + this.log("Delete request for '" + name + "' has succeeded."); + } + }, + + _onInputChange: function(input) { + var fileIndex; + + if (qq.supportedFeatures.ajaxUploading) { + for (fileIndex = 0; fileIndex < input.files.length; fileIndex++) { + this._annotateWithButtonId(input.files[fileIndex], input); + } + + this.addFiles(input.files); + } + // Android 2.3.x will fire `onchange` even if no file has been selected + else if (input.value.length > 0) { + this.addFiles(input); + } + + qq.each(this._buttons, function(idx, button) { + button.reset(); + }); + }, + + _onProgress: function(id, name, loaded, total) { + this._totalProgress && this._totalProgress.onIndividualProgress(id, loaded, total); + }, + + _onSubmit: function(id, name) { + //nothing to do yet in core uploader + }, + + _onSubmitCallbackSuccess: function(id, name) { + this._onSubmit.apply(this, arguments); + this._uploadData.setStatus(id, qq.status.SUBMITTED); + this._onSubmitted.apply(this, arguments); + + if (this._options.autoUpload) { + this._options.callbacks.onSubmitted.apply(this, arguments); + this._uploadFile(id); + } + else { + this._storeForLater(id); + this._options.callbacks.onSubmitted.apply(this, arguments); + } + }, + + _onSubmitDelete: function(id, onSuccessCallback, additionalMandatedParams) { + var uuid = this.getUuid(id), + adjustedOnSuccessCallback; + + if (onSuccessCallback) { + adjustedOnSuccessCallback = qq.bind(onSuccessCallback, this, id, uuid, additionalMandatedParams); + } + + if (this._isDeletePossible()) { + this._handleCheckedCallback({ + name: "onSubmitDelete", + callback: qq.bind(this._options.callbacks.onSubmitDelete, this, id), + onSuccess: adjustedOnSuccessCallback || + qq.bind(this._deleteHandler.sendDelete, this, id, uuid, additionalMandatedParams), + identifier: id + }); + return true; + } + else { + this.log("Delete request ignored for ID " + id + ", delete feature is disabled or request not possible " + + "due to CORS on a user agent that does not support pre-flighting.", "warn"); + return false; + } + }, + + _onSubmitted: function(id) { + //nothing to do in the base uploader + }, + + _onTotalProgress: function(loaded, total) { + this._options.callbacks.onTotalProgress(loaded, total); + }, + + _onUploadPrep: function(id) { + // nothing to do in the core uploader for now + }, + + _onUpload: function(id, name) { + this._uploadData.setStatus(id, qq.status.UPLOADING); + }, + + _onUploadChunk: function(id, chunkData) { + //nothing to do in the base uploader + }, + + _onUploadStatusChange: function(id, oldStatus, newStatus) { + // Make sure a "queued" retry attempt is canceled if the upload has been paused + if (newStatus === qq.status.PAUSED) { + clearTimeout(this._retryTimeouts[id]); + } + }, + + _onValidateBatchCallbackFailure: function(fileWrappers) { + var self = this; + + qq.each(fileWrappers, function(idx, fileWrapper) { + self._fileOrBlobRejected(fileWrapper.id); + }); + }, + + _onValidateBatchCallbackSuccess: function(validationDescriptors, items, params, endpoint, button) { + var errorMessage, + itemLimit = this._currentItemLimit, + proposedNetFilesUploadedOrQueued = this._netUploadedOrQueued; + + if (itemLimit === 0 || proposedNetFilesUploadedOrQueued <= itemLimit) { + if (items.length > 0) { + this._handleCheckedCallback({ + name: "onValidate", + callback: qq.bind(this._options.callbacks.onValidate, this, validationDescriptors[0], button), + onSuccess: qq.bind(this._onValidateCallbackSuccess, this, items, 0, params, endpoint), + onFailure: qq.bind(this._onValidateCallbackFailure, this, items, 0, params, endpoint), + identifier: "Item '" + items[0].file.name + "', size: " + items[0].file.size + }); + } + else { + this._itemError("noFilesError"); + } + } + else { + this._onValidateBatchCallbackFailure(items); + errorMessage = this._options.messages.tooManyItemsError + .replace(/\{netItems\}/g, proposedNetFilesUploadedOrQueued) + .replace(/\{itemLimit\}/g, itemLimit); + this._batchError(errorMessage); + } + }, + + _onValidateCallbackFailure: function(items, index, params, endpoint) { + var nextIndex = index + 1; + + this._fileOrBlobRejected(items[index].id, items[index].file.name); + + this._maybeProcessNextItemAfterOnValidateCallback(false, items, nextIndex, params, endpoint); + }, + + _onValidateCallbackSuccess: function(items, index, params, endpoint) { + var self = this, + nextIndex = index + 1, + validationDescriptor = this._getValidationDescriptor(items[index]); + + this._validateFileOrBlobData(items[index], validationDescriptor) + .then( + function() { + self._upload(items[index].id, params, endpoint); + self._maybeProcessNextItemAfterOnValidateCallback(true, items, nextIndex, params, endpoint); + }, + function() { + self._maybeProcessNextItemAfterOnValidateCallback(false, items, nextIndex, params, endpoint); + } + ); + }, + + _prepareItemsForUpload: function(items, params, endpoint) { + if (items.length === 0) { + this._itemError("noFilesError"); + return; + } + + var validationDescriptors = this._getValidationDescriptors(items), + buttonId = this._getButtonId(items[0].file), + button = this._getButton(buttonId); + + this._handleCheckedCallback({ + name: "onValidateBatch", + callback: qq.bind(this._options.callbacks.onValidateBatch, this, validationDescriptors, button), + onSuccess: qq.bind(this._onValidateBatchCallbackSuccess, this, validationDescriptors, items, params, endpoint, button), + onFailure: qq.bind(this._onValidateBatchCallbackFailure, this, items), + identifier: "batch validation" + }); + }, + + _preventLeaveInProgress: function() { + var self = this; + + this._disposeSupport.attach(window, "beforeunload", function(e) { + if (self.getInProgress()) { + e = e || window.event; + // for ie, ff + e.returnValue = self._options.messages.onLeave; + // for webkit + return self._options.messages.onLeave; + } + }); + }, + + // Attempts to refresh session data only if the `qq.Session` module exists + // and a session endpoint has been specified. The `onSessionRequestComplete` + // callback will be invoked once the refresh is complete. + _refreshSessionData: function() { + var self = this, + options = this._options.session; + + /* jshint eqnull:true */ + if (qq.Session && this._options.session.endpoint != null) { + if (!this._session) { + qq.extend(options, this._options.cors); + + options.log = qq.bind(this.log, this); + options.addFileRecord = qq.bind(this._addCannedFile, this); + + this._session = new qq.Session(options); + } + + setTimeout(function() { + self._session.refresh().then(function(response, xhrOrXdr) { + self._sessionRequestComplete(); + self._options.callbacks.onSessionRequestComplete(response, true, xhrOrXdr); + + }, function(response, xhrOrXdr) { + + self._options.callbacks.onSessionRequestComplete(response, false, xhrOrXdr); + }); + }, 0); + } + }, + + _sessionRequestComplete: function() {}, + + _setSize: function(id, newSize) { + this._uploadData.updateSize(id, newSize); + this._totalProgress && this._totalProgress.onNewSize(id); + }, + + _shouldAutoRetry: function(id, name, responseJSON) { + var uploadData = this._uploadData.retrieve({id: id}); + + /*jshint laxbreak: true */ + if (!this._preventRetries[id] + && this._options.retry.enableAuto + && uploadData.status !== qq.status.PAUSED) { + + if (this._autoRetries[id] === undefined) { + this._autoRetries[id] = 0; + } + + if (this._autoRetries[id] < this._options.retry.maxAutoAttempts) { + this._autoRetries[id] += 1; + return true; + } + } + + return false; + }, + + _storeForLater: function(id) { + this._storedIds.push(id); + }, + + // Maps a file with the button that was used to select it. + _trackButton: function(id) { + var buttonId; + + if (qq.supportedFeatures.ajaxUploading) { + buttonId = this._handler.getFile(id).qqButtonId; + } + else { + buttonId = this._getButtonId(this._handler.getInput(id)); + } + + if (buttonId) { + this._buttonIdsForFileIds[id] = buttonId; + } + }, + + _updateFormSupportAndParams: function(formElementOrId) { + this._options.form.element = formElementOrId; + + this._formSupport = qq.FormSupport && new qq.FormSupport( + this._options.form, qq.bind(this.uploadStoredFiles, this), qq.bind(this.log, this) + ); + + if (this._formSupport && this._formSupport.attachedToForm) { + this._paramsStore.addReadOnly(null, this._formSupport.getFormInputsAsObject); + + this._options.autoUpload = this._formSupport.newAutoUpload; + if (this._formSupport.newEndpoint) { + this.setEndpoint(this._formSupport.newEndpoint); + } + } + }, + + _upload: function(id, params, endpoint) { + var name = this.getName(id); + + if (params) { + this.setParams(params, id); + } + + if (endpoint) { + this.setEndpoint(endpoint, id); + } + + this._handleCheckedCallback({ + name: "onSubmit", + callback: qq.bind(this._options.callbacks.onSubmit, this, id, name), + onSuccess: qq.bind(this._onSubmitCallbackSuccess, this, id, name), + onFailure: qq.bind(this._fileOrBlobRejected, this, id, name), + identifier: id + }); + }, + + _uploadFile: function(id) { + if (!this._handler.upload(id)) { + this._uploadData.setStatus(id, qq.status.QUEUED); + } + }, + + _uploadStoredFiles: function() { + var idToUpload, stillSubmitting, + self = this; + + while (this._storedIds.length) { + idToUpload = this._storedIds.shift(); + this._uploadFile(idToUpload); + } + + // If we are still waiting for some files to clear validation, attempt to upload these again in a bit + stillSubmitting = this.getUploads({status: qq.status.SUBMITTING}).length; + if (stillSubmitting) { + qq.log("Still waiting for " + stillSubmitting + " files to clear submit queue. Will re-parse stored IDs array shortly."); + setTimeout(function() { + self._uploadStoredFiles(); + }, 1000); + } + }, + + /** + * Performs some internal validation checks on an item, defined in the `validation` option. + * + * @param fileWrapper Wrapper containing a `file` along with an `id` + * @param validationDescriptor Normalized information about the item (`size`, `name`). + * @returns qq.Promise with appropriate callbacks invoked depending on the validity of the file + * @private + */ + _validateFileOrBlobData: function(fileWrapper, validationDescriptor) { + var self = this, + file = (function() { + if (fileWrapper.file instanceof qq.BlobProxy) { + return fileWrapper.file.referenceBlob; + } + return fileWrapper.file; + }()), + name = validationDescriptor.name, + size = validationDescriptor.size, + buttonId = this._getButtonId(fileWrapper.file), + validationBase = this._getValidationBase(buttonId), + validityChecker = new qq.Promise(); + + validityChecker.then( + function() {}, + function() { + self._fileOrBlobRejected(fileWrapper.id, name); + }); + + if (qq.isFileOrInput(file) && !this._isAllowedExtension(validationBase.allowedExtensions, name)) { + this._itemError("typeError", name, file); + return validityChecker.failure(); + } + + if (size === 0) { + this._itemError("emptyError", name, file); + return validityChecker.failure(); + } + + if (size > 0 && validationBase.sizeLimit && size > validationBase.sizeLimit) { + this._itemError("sizeError", name, file); + return validityChecker.failure(); + } + + if (size > 0 && size < validationBase.minSizeLimit) { + this._itemError("minSizeError", name, file); + return validityChecker.failure(); + } + + if (qq.ImageValidation && qq.supportedFeatures.imagePreviews && qq.isFile(file)) { + new qq.ImageValidation(file, qq.bind(self.log, self)).validate(validationBase.image).then( + validityChecker.success, + function(errorCode) { + self._itemError(errorCode + "ImageError", name, file); + validityChecker.failure(); + } + ); + } + else { + validityChecker.success(); + } + + return validityChecker; + }, + + _wrapCallbacks: function() { + var self, safeCallback, prop; + + self = this; + + safeCallback = function(name, callback, args) { + var errorMsg; + + try { + return callback.apply(self, args); + } + catch (exception) { + errorMsg = exception.message || exception.toString(); + self.log("Caught exception in '" + name + "' callback - " + errorMsg, "error"); + } + }; + + /* jshint forin: false, loopfunc: true */ + for (prop in this._options.callbacks) { + (function() { + var callbackName, callbackFunc; + callbackName = prop; + callbackFunc = self._options.callbacks[callbackName]; + self._options.callbacks[callbackName] = function() { + return safeCallback(callbackName, callbackFunc, arguments); + }; + }()); + } + } + }; +}()); + +/*globals qq*/ +(function() { + "use strict"; + + qq.FineUploaderBasic = function(o) { + var self = this; + + // These options define FineUploaderBasic mode. + this._options = { + debug: false, + button: null, + multiple: true, + maxConnections: 3, + disableCancelForFormUploads: false, + autoUpload: true, + + request: { + customHeaders: {}, + endpoint: "/server/upload", + filenameParam: "qqfilename", + forceMultipart: true, + inputName: "qqfile", + method: "POST", + params: {}, + paramsInBody: true, + totalFileSizeName: "qqtotalfilesize", + uuidName: "qquuid" + }, + + validation: { + allowedExtensions: [], + sizeLimit: 0, + minSizeLimit: 0, + itemLimit: 0, + stopOnFirstInvalidFile: true, + acceptFiles: null, + image: { + maxHeight: 0, + maxWidth: 0, + minHeight: 0, + minWidth: 0 + } + }, + + callbacks: { + onSubmit: function(id, name) {}, + onSubmitted: function(id, name) {}, + onComplete: function(id, name, responseJSON, maybeXhr) {}, + onAllComplete: function(successful, failed) {}, + onCancel: function(id, name) {}, + onUpload: function(id, name) {}, + onUploadChunk: function(id, name, chunkData) {}, + onUploadChunkSuccess: function(id, chunkData, responseJSON, xhr) {}, + onResume: function(id, fileName, chunkData) {}, + onProgress: function(id, name, loaded, total) {}, + onTotalProgress: function(loaded, total) {}, + onError: function(id, name, reason, maybeXhrOrXdr) {}, + onAutoRetry: function(id, name, attemptNumber) {}, + onManualRetry: function(id, name) {}, + onValidateBatch: function(fileOrBlobData) {}, + onValidate: function(fileOrBlobData) {}, + onSubmitDelete: function(id) {}, + onDelete: function(id) {}, + onDeleteComplete: function(id, xhrOrXdr, isError) {}, + onPasteReceived: function(blob) {}, + onStatusChange: function(id, oldStatus, newStatus) {}, + onSessionRequestComplete: function(response, success, xhrOrXdr) {} + }, + + messages: { + typeError: "{file} has an invalid extension. Valid extension(s): {extensions}.", + sizeError: "{file} is too large, maximum file size is {sizeLimit}.", + minSizeError: "{file} is too small, minimum file size is {minSizeLimit}.", + emptyError: "{file} is empty, please select files again without it.", + noFilesError: "No files to upload.", + tooManyItemsError: "Too many items ({netItems}) would be uploaded. Item limit is {itemLimit}.", + maxHeightImageError: "Image is too tall.", + maxWidthImageError: "Image is too wide.", + minHeightImageError: "Image is not tall enough.", + minWidthImageError: "Image is not wide enough.", + retryFailTooManyItems: "Retry failed - you have reached your file limit.", + onLeave: "The files are being uploaded, if you leave now the upload will be canceled.", + unsupportedBrowserIos8Safari: "Unrecoverable error - this browser does not permit file uploading of any kind due to serious bugs in iOS8 Safari. Please use iOS8 Chrome until Apple fixes these issues." + }, + + retry: { + enableAuto: false, + maxAutoAttempts: 3, + autoAttemptDelay: 5, + preventRetryResponseProperty: "preventRetry" + }, + + classes: { + buttonHover: "qq-upload-button-hover", + buttonFocus: "qq-upload-button-focus" + }, + + chunking: { + enabled: false, + concurrent: { + enabled: false + }, + mandatory: false, + paramNames: { + partIndex: "qqpartindex", + partByteOffset: "qqpartbyteoffset", + chunkSize: "qqchunksize", + totalFileSize: "qqtotalfilesize", + totalParts: "qqtotalparts" + }, + partSize: 2000000, + // only relevant for traditional endpoints, only required when concurrent.enabled === true + success: { + endpoint: null + } + }, + + resume: { + enabled: false, + recordsExpireIn: 7, //days + paramNames: { + resuming: "qqresume" + } + }, + + formatFileName: function(fileOrBlobName) { + return fileOrBlobName; + }, + + text: { + defaultResponseError: "Upload failure reason unknown", + fileInputTitle: "file input", + sizeSymbols: ["kB", "MB", "GB", "TB", "PB", "EB"] + }, + + deleteFile: { + enabled: false, + method: "DELETE", + endpoint: "/server/upload", + customHeaders: {}, + params: {} + }, + + cors: { + expected: false, + sendCredentials: false, + allowXdr: false + }, + + blobs: { + defaultName: "misc_data" + }, + + paste: { + targetElement: null, + defaultName: "pasted_image" + }, + + camera: { + ios: false, + + // if ios is true: button is null means target the default button, otherwise target the button specified + button: null + }, + + // This refers to additional upload buttons to be handled by Fine Uploader. + // Each element is an object, containing `element` as the only required + // property. The `element` must be a container that will ultimately + // contain an invisible `` created by Fine Uploader. + // Optional properties of each object include `multiple`, `validation`, + // and `folders`. + extraButtons: [], + + // Depends on the session module. Used to query the server for an initial file list + // during initialization and optionally after a `reset`. + session: { + endpoint: null, + params: {}, + customHeaders: {}, + refreshOnReset: true + }, + + // Send parameters associated with an existing form along with the files + form: { + // Element ID, HTMLElement, or null + element: "qq-form", + + // Overrides the base `autoUpload`, unless `element` is null. + autoUpload: false, + + // true = upload files on form submission (and squelch submit event) + interceptSubmit: true + }, + + // scale images client side, upload a new file for each scaled version + scaling: { + customResizer: null, + + // send the original file as well + sendOriginal: true, + + // fox orientation for scaled images + orient: true, + + // If null, scaled image type will match reference image type. This value will be referred to + // for any size record that does not specific a type. + defaultType: null, + + defaultQuality: 80, + + failureText: "Failed to scale", + + includeExif: false, + + // metadata about each requested scaled version + sizes: [] + }, + + workarounds: { + iosEmptyVideos: true, + ios8SafariUploads: true, + ios8BrowserCrash: false + } + }; + + // Replace any default options with user defined ones + qq.extend(this._options, o, true); + + this._buttons = []; + this._extraButtonSpecs = {}; + this._buttonIdsForFileIds = []; + + this._wrapCallbacks(); + this._disposeSupport = new qq.DisposeSupport(); + + this._storedIds = []; + this._autoRetries = []; + this._retryTimeouts = []; + this._preventRetries = []; + this._thumbnailUrls = []; + + this._netUploadedOrQueued = 0; + this._netUploaded = 0; + this._uploadData = this._createUploadDataTracker(); + + this._initFormSupportAndParams(); + + this._customHeadersStore = this._createStore(this._options.request.customHeaders); + this._deleteFileCustomHeadersStore = this._createStore(this._options.deleteFile.customHeaders); + + this._deleteFileParamsStore = this._createStore(this._options.deleteFile.params); + + this._endpointStore = this._createStore(this._options.request.endpoint); + this._deleteFileEndpointStore = this._createStore(this._options.deleteFile.endpoint); + + this._handler = this._createUploadHandler(); + + this._deleteHandler = qq.DeleteFileAjaxRequester && this._createDeleteHandler(); + + if (this._options.button) { + this._defaultButtonId = this._createUploadButton({ + element: this._options.button, + title: this._options.text.fileInputTitle + }).getButtonId(); + } + + this._generateExtraButtonSpecs(); + + this._handleCameraAccess(); + + if (this._options.paste.targetElement) { + if (qq.PasteSupport) { + this._pasteHandler = this._createPasteHandler(); + } + else { + this.log("Paste support module not found", "error"); + } + } + + this._preventLeaveInProgress(); + + this._imageGenerator = qq.ImageGenerator && new qq.ImageGenerator(qq.bind(this.log, this)); + this._refreshSessionData(); + + this._succeededSinceLastAllComplete = []; + this._failedSinceLastAllComplete = []; + + this._scaler = (qq.Scaler && new qq.Scaler(this._options.scaling, qq.bind(this.log, this))) || {}; + if (this._scaler.enabled) { + this._customNewFileHandler = qq.bind(this._scaler.handleNewFile, this._scaler); + } + + if (qq.TotalProgress && qq.supportedFeatures.progressBar) { + this._totalProgress = new qq.TotalProgress( + qq.bind(this._onTotalProgress, this), + + function(id) { + var entry = self._uploadData.retrieve({id: id}); + return (entry && entry.size) || 0; + } + ); + } + + this._currentItemLimit = this._options.validation.itemLimit; + }; + + // Define the private & public API methods. + qq.FineUploaderBasic.prototype = qq.basePublicApi; + qq.extend(qq.FineUploaderBasic.prototype, qq.basePrivateApi); +}()); + +/*globals qq, XDomainRequest*/ +/** Generic class for sending non-upload ajax requests and handling the associated responses **/ +qq.AjaxRequester = function(o) { + "use strict"; + + var log, shouldParamsBeInQueryString, + queue = [], + requestData = {}, + options = { + acceptHeader: null, + validMethods: ["PATCH", "POST", "PUT"], + method: "POST", + contentType: "application/x-www-form-urlencoded", + maxConnections: 3, + customHeaders: {}, + endpointStore: {}, + paramsStore: {}, + mandatedParams: {}, + allowXRequestedWithAndCacheControl: true, + successfulResponseCodes: { + DELETE: [200, 202, 204], + PATCH: [200, 201, 202, 203, 204], + POST: [200, 201, 202, 203, 204], + PUT: [200, 201, 202, 203, 204], + GET: [200] + }, + cors: { + expected: false, + sendCredentials: false + }, + log: function(str, level) {}, + onSend: function(id) {}, + onComplete: function(id, xhrOrXdr, isError) {}, + onProgress: null + }; + + qq.extend(options, o); + log = options.log; + + if (qq.indexOf(options.validMethods, options.method) < 0) { + throw new Error("'" + options.method + "' is not a supported method for this type of request!"); + } + + // [Simple methods](http://www.w3.org/TR/cors/#simple-method) + // are defined by the W3C in the CORS spec as a list of methods that, in part, + // make a CORS request eligible to be exempt from preflighting. + function isSimpleMethod() { + return qq.indexOf(["GET", "POST", "HEAD"], options.method) >= 0; + } + + // [Simple headers](http://www.w3.org/TR/cors/#simple-header) + // are defined by the W3C in the CORS spec as a list of headers that, in part, + // make a CORS request eligible to be exempt from preflighting. + function containsNonSimpleHeaders(headers) { + var containsNonSimple = false; + + qq.each(containsNonSimple, function(idx, header) { + if (qq.indexOf(["Accept", "Accept-Language", "Content-Language", "Content-Type"], header) < 0) { + containsNonSimple = true; + return false; + } + }); + + return containsNonSimple; + } + + function isXdr(xhr) { + //The `withCredentials` test is a commonly accepted way to determine if XHR supports CORS. + return options.cors.expected && xhr.withCredentials === undefined; + } + + // Returns either a new `XMLHttpRequest` or `XDomainRequest` instance. + function getCorsAjaxTransport() { + var xhrOrXdr; + + if (window.XMLHttpRequest || window.ActiveXObject) { + xhrOrXdr = qq.createXhrInstance(); + + if (xhrOrXdr.withCredentials === undefined) { + xhrOrXdr = new XDomainRequest(); + // Workaround for XDR bug in IE9 - https://social.msdn.microsoft.com/Forums/ie/en-US/30ef3add-767c-4436-b8a9-f1ca19b4812e/ie9-rtm-xdomainrequest-issued-requests-may-abort-if-all-event-handlers-not-specified?forum=iewebdevelopment + xhrOrXdr.onload = function() {}; + xhrOrXdr.onerror = function() {}; + xhrOrXdr.ontimeout = function() {}; + xhrOrXdr.onprogress = function() {}; + } + } + + return xhrOrXdr; + } + + // Returns either a new XHR/XDR instance, or an existing one for the associated `File` or `Blob`. + function getXhrOrXdr(id, suppliedXhr) { + var xhrOrXdr = requestData[id].xhr; + + if (!xhrOrXdr) { + if (suppliedXhr) { + xhrOrXdr = suppliedXhr; + } + else { + if (options.cors.expected) { + xhrOrXdr = getCorsAjaxTransport(); + } + else { + xhrOrXdr = qq.createXhrInstance(); + } + } + + requestData[id].xhr = xhrOrXdr; + } + + return xhrOrXdr; + } + + // Removes element from queue, sends next request + function dequeue(id) { + var i = qq.indexOf(queue, id), + max = options.maxConnections, + nextId; + + delete requestData[id]; + queue.splice(i, 1); + + if (queue.length >= max && i < max) { + nextId = queue[max - 1]; + sendRequest(nextId); + } + } + + function onComplete(id, xdrError) { + var xhr = getXhrOrXdr(id), + method = options.method, + isError = xdrError === true; + + dequeue(id); + + if (isError) { + log(method + " request for " + id + " has failed", "error"); + } + else if (!isXdr(xhr) && !isResponseSuccessful(xhr.status)) { + isError = true; + log(method + " request for " + id + " has failed - response code " + xhr.status, "error"); + } + + options.onComplete(id, xhr, isError); + } + + function getParams(id) { + var onDemandParams = requestData[id].additionalParams, + mandatedParams = options.mandatedParams, + params; + + if (options.paramsStore.get) { + params = options.paramsStore.get(id); + } + + if (onDemandParams) { + qq.each(onDemandParams, function(name, val) { + params = params || {}; + params[name] = val; + }); + } + + if (mandatedParams) { + qq.each(mandatedParams, function(name, val) { + params = params || {}; + params[name] = val; + }); + } + + return params; + } + + function sendRequest(id, optXhr) { + var xhr = getXhrOrXdr(id, optXhr), + method = options.method, + params = getParams(id), + payload = requestData[id].payload, + url; + + options.onSend(id); + + url = createUrl(id, params, requestData[id].additionalQueryParams); + + // XDR and XHR status detection APIs differ a bit. + if (isXdr(xhr)) { + xhr.onload = getXdrLoadHandler(id); + xhr.onerror = getXdrErrorHandler(id); + } + else { + xhr.onreadystatechange = getXhrReadyStateChangeHandler(id); + } + + registerForUploadProgress(id); + + // The last parameter is assumed to be ignored if we are actually using `XDomainRequest`. + xhr.open(method, url, true); + + // Instruct the transport to send cookies along with the CORS request, + // unless we are using `XDomainRequest`, which is not capable of this. + if (options.cors.expected && options.cors.sendCredentials && !isXdr(xhr)) { + xhr.withCredentials = true; + } + + setHeaders(id); + + log("Sending " + method + " request for " + id); + + if (payload) { + xhr.send(payload); + } + else if (shouldParamsBeInQueryString || !params) { + xhr.send(); + } + else if (params && options.contentType && options.contentType.toLowerCase().indexOf("application/x-www-form-urlencoded") >= 0) { + xhr.send(qq.obj2url(params, "")); + } + else if (params && options.contentType && options.contentType.toLowerCase().indexOf("application/json") >= 0) { + xhr.send(JSON.stringify(params)); + } + else { + xhr.send(params); + } + + return xhr; + } + + function createUrl(id, params, additionalQueryParams) { + var endpoint = options.endpointStore.get(id), + addToPath = requestData[id].addToPath; + + /*jshint -W116,-W041 */ + if (addToPath != undefined) { + endpoint += "/" + addToPath; + } + + if (shouldParamsBeInQueryString && params) { + endpoint = qq.obj2url(params, endpoint); + } + + if (additionalQueryParams) { + endpoint = qq.obj2url(additionalQueryParams, endpoint); + } + + return endpoint; + } + + // Invoked by the UA to indicate a number of possible states that describe + // a live `XMLHttpRequest` transport. + function getXhrReadyStateChangeHandler(id) { + return function() { + if (getXhrOrXdr(id).readyState === 4) { + onComplete(id); + } + }; + } + + function registerForUploadProgress(id) { + var onProgress = options.onProgress; + + if (onProgress) { + getXhrOrXdr(id).upload.onprogress = function(e) { + if (e.lengthComputable) { + onProgress(id, e.loaded, e.total); + } + }; + } + } + + // This will be called by IE to indicate **success** for an associated + // `XDomainRequest` transported request. + function getXdrLoadHandler(id) { + return function() { + onComplete(id); + }; + } + + // This will be called by IE to indicate **failure** for an associated + // `XDomainRequest` transported request. + function getXdrErrorHandler(id) { + return function() { + onComplete(id, true); + }; + } + + function setHeaders(id) { + var xhr = getXhrOrXdr(id), + customHeaders = options.customHeaders, + onDemandHeaders = requestData[id].additionalHeaders || {}, + method = options.method, + allHeaders = {}; + + // If XDomainRequest is being used, we can't set headers, so just ignore this block. + if (!isXdr(xhr)) { + options.acceptHeader && xhr.setRequestHeader("Accept", options.acceptHeader); + + // Only attempt to add X-Requested-With & Cache-Control if permitted + if (options.allowXRequestedWithAndCacheControl) { + // Do not add X-Requested-With & Cache-Control if this is a cross-origin request + // OR the cross-origin request contains a non-simple method or header. + // This is done to ensure a preflight is not triggered exclusively based on the + // addition of these 2 non-simple headers. + if (!options.cors.expected || (!isSimpleMethod() || containsNonSimpleHeaders(customHeaders))) { + xhr.setRequestHeader("X-Requested-With", "XMLHttpRequest"); + xhr.setRequestHeader("Cache-Control", "no-cache"); + } + } + + if (options.contentType && (method === "POST" || method === "PUT")) { + xhr.setRequestHeader("Content-Type", options.contentType); + } + + qq.extend(allHeaders, qq.isFunction(customHeaders) ? customHeaders(id) : customHeaders); + qq.extend(allHeaders, onDemandHeaders); + + qq.each(allHeaders, function(name, val) { + xhr.setRequestHeader(name, val); + }); + } + } + + function isResponseSuccessful(responseCode) { + return qq.indexOf(options.successfulResponseCodes[options.method], responseCode) >= 0; + } + + function prepareToSend(id, optXhr, addToPath, additionalParams, additionalQueryParams, additionalHeaders, payload) { + requestData[id] = { + addToPath: addToPath, + additionalParams: additionalParams, + additionalQueryParams: additionalQueryParams, + additionalHeaders: additionalHeaders, + payload: payload + }; + + var len = queue.push(id); + + // if too many active connections, wait... + if (len <= options.maxConnections) { + return sendRequest(id, optXhr); + } + } + + shouldParamsBeInQueryString = options.method === "GET" || options.method === "DELETE"; + + qq.extend(this, { + // Start the process of sending the request. The ID refers to the file associated with the request. + initTransport: function(id) { + var path, params, headers, payload, cacheBuster, additionalQueryParams; + + return { + // Optionally specify the end of the endpoint path for the request. + withPath: function(appendToPath) { + path = appendToPath; + return this; + }, + + // Optionally specify additional parameters to send along with the request. + // These will be added to the query string for GET/DELETE requests or the payload + // for POST/PUT requests. The Content-Type of the request will be used to determine + // how these parameters should be formatted as well. + withParams: function(additionalParams) { + params = additionalParams; + return this; + }, + + withQueryParams: function(_additionalQueryParams_) { + additionalQueryParams = _additionalQueryParams_; + return this; + }, + + // Optionally specify additional headers to send along with the request. + withHeaders: function(additionalHeaders) { + headers = additionalHeaders; + return this; + }, + + // Optionally specify a payload/body for the request. + withPayload: function(thePayload) { + payload = thePayload; + return this; + }, + + // Appends a cache buster (timestamp) to the request URL as a query parameter (only if GET or DELETE) + withCacheBuster: function() { + cacheBuster = true; + return this; + }, + + // Send the constructed request. + send: function(optXhr) { + if (cacheBuster && qq.indexOf(["GET", "DELETE"], options.method) >= 0) { + params.qqtimestamp = new Date().getTime(); + } + + return prepareToSend(id, optXhr, path, params, additionalQueryParams, headers, payload); + } + }; + }, + + canceled: function(id) { + dequeue(id); + } + }); +}; + +/* globals qq */ +/** + * Common upload handler functions. + * + * @constructor + */ +qq.UploadHandler = function(spec) { + "use strict"; + + var proxy = spec.proxy, + fileState = {}, + onCancel = proxy.onCancel, + getName = proxy.getName; + + qq.extend(this, { + add: function(id, fileItem) { + fileState[id] = fileItem; + fileState[id].temp = {}; + }, + + cancel: function(id) { + var self = this, + cancelFinalizationEffort = new qq.Promise(), + onCancelRetVal = onCancel(id, getName(id), cancelFinalizationEffort); + + onCancelRetVal.then(function() { + if (self.isValid(id)) { + fileState[id].canceled = true; + self.expunge(id); + } + cancelFinalizationEffort.success(); + }); + }, + + expunge: function(id) { + delete fileState[id]; + }, + + getThirdPartyFileId: function(id) { + return fileState[id].key; + }, + + isValid: function(id) { + return fileState[id] !== undefined; + }, + + reset: function() { + fileState = {}; + }, + + _getFileState: function(id) { + return fileState[id]; + }, + + _setThirdPartyFileId: function(id, thirdPartyFileId) { + fileState[id].key = thirdPartyFileId; + }, + + _wasCanceled: function(id) { + return !!fileState[id].canceled; + } + }); +}; + +/*globals qq*/ +/** + * Base upload handler module. Controls more specific handlers. + * + * @param o Options. Passed along to the specific handler submodule as well. + * @param namespace [optional] Namespace for the specific handler. + */ +qq.UploadHandlerController = function(o, namespace) { + "use strict"; + + var controller = this, + chunkingPossible = false, + concurrentChunkingPossible = false, + chunking, preventRetryResponse, log, handler, + + options = { + paramsStore: {}, + maxConnections: 3, // maximum number of concurrent uploads + chunking: { + enabled: false, + multiple: { + enabled: false + } + }, + log: function(str, level) {}, + onProgress: function(id, fileName, loaded, total) {}, + onComplete: function(id, fileName, response, xhr) {}, + onCancel: function(id, fileName) {}, + onUploadPrep: function(id) {}, // Called if non-trivial operations will be performed before onUpload + onUpload: function(id, fileName) {}, + onUploadChunk: function(id, fileName, chunkData) {}, + onUploadChunkSuccess: function(id, chunkData, response, xhr) {}, + onAutoRetry: function(id, fileName, response, xhr) {}, + onResume: function(id, fileName, chunkData) {}, + onUuidChanged: function(id, newUuid) {}, + getName: function(id) {}, + setSize: function(id, newSize) {}, + isQueued: function(id) {}, + getIdsInProxyGroup: function(id) {}, + getIdsInBatch: function(id) {} + }, + + chunked = { + // Called when each chunk has uploaded successfully + done: function(id, chunkIdx, response, xhr) { + var chunkData = handler._getChunkData(id, chunkIdx); + + handler._getFileState(id).attemptingResume = false; + + delete handler._getFileState(id).temp.chunkProgress[chunkIdx]; + handler._getFileState(id).loaded += chunkData.size; + + options.onUploadChunkSuccess(id, handler._getChunkDataForCallback(chunkData), response, xhr); + }, + + // Called when all chunks have been successfully uploaded and we want to ask the handler to perform any + // logic associated with closing out the file, such as combining the chunks. + finalize: function(id) { + var size = options.getSize(id), + name = options.getName(id); + + log("All chunks have been uploaded for " + id + " - finalizing...."); + handler.finalizeChunks(id).then( + function(response, xhr) { + log("Finalize successful for " + id); + + var normaizedResponse = upload.normalizeResponse(response, true); + + options.onProgress(id, name, size, size); + handler._maybeDeletePersistedChunkData(id); + upload.cleanup(id, normaizedResponse, xhr); + }, + function(response, xhr) { + var normaizedResponse = upload.normalizeResponse(response, false); + + log("Problem finalizing chunks for file ID " + id + " - " + normaizedResponse.error, "error"); + + if (normaizedResponse.reset) { + chunked.reset(id); + } + + if (!options.onAutoRetry(id, name, normaizedResponse, xhr)) { + upload.cleanup(id, normaizedResponse, xhr); + } + } + ); + }, + + hasMoreParts: function(id) { + return !!handler._getFileState(id).chunking.remaining.length; + }, + + nextPart: function(id) { + var nextIdx = handler._getFileState(id).chunking.remaining.shift(); + + if (nextIdx >= handler._getTotalChunks(id)) { + nextIdx = null; + } + + return nextIdx; + }, + + reset: function(id) { + log("Server or callback has ordered chunking effort to be restarted on next attempt for item ID " + id, "error"); + + handler._maybeDeletePersistedChunkData(id); + handler.reevaluateChunking(id); + handler._getFileState(id).loaded = 0; + }, + + sendNext: function(id) { + var size = options.getSize(id), + name = options.getName(id), + chunkIdx = chunked.nextPart(id), + chunkData = handler._getChunkData(id, chunkIdx), + resuming = handler._getFileState(id).attemptingResume, + inProgressChunks = handler._getFileState(id).chunking.inProgress || []; + + if (handler._getFileState(id).loaded == null) { + handler._getFileState(id).loaded = 0; + } + + // Don't follow-through with the resume attempt if the integrator returns false from onResume + if (resuming && options.onResume(id, name, chunkData) === false) { + chunked.reset(id); + chunkIdx = chunked.nextPart(id); + chunkData = handler._getChunkData(id, chunkIdx); + resuming = false; + } + + // If all chunks have already uploaded successfully, we must be re-attempting the finalize step. + if (chunkIdx == null && inProgressChunks.length === 0) { + chunked.finalize(id); + } + + // Send the next chunk + else { + log(qq.format("Sending chunked upload request for item {}.{}, bytes {}-{} of {}.", id, chunkIdx, chunkData.start + 1, chunkData.end, size)); + options.onUploadChunk(id, name, handler._getChunkDataForCallback(chunkData)); + inProgressChunks.push(chunkIdx); + handler._getFileState(id).chunking.inProgress = inProgressChunks; + + if (concurrentChunkingPossible) { + connectionManager.open(id, chunkIdx); + } + + if (concurrentChunkingPossible && connectionManager.available() && handler._getFileState(id).chunking.remaining.length) { + chunked.sendNext(id); + } + + handler.uploadChunk(id, chunkIdx, resuming).then( + // upload chunk success + function success(response, xhr) { + log("Chunked upload request succeeded for " + id + ", chunk " + chunkIdx); + + handler.clearCachedChunk(id, chunkIdx); + + var inProgressChunks = handler._getFileState(id).chunking.inProgress || [], + responseToReport = upload.normalizeResponse(response, true), + inProgressChunkIdx = qq.indexOf(inProgressChunks, chunkIdx); + + log(qq.format("Chunk {} for file {} uploaded successfully.", chunkIdx, id)); + + chunked.done(id, chunkIdx, responseToReport, xhr); + + if (inProgressChunkIdx >= 0) { + inProgressChunks.splice(inProgressChunkIdx, 1); + } + + handler._maybePersistChunkedState(id); + + if (!chunked.hasMoreParts(id) && inProgressChunks.length === 0) { + chunked.finalize(id); + } + else if (chunked.hasMoreParts(id)) { + chunked.sendNext(id); + } + else { + log(qq.format("File ID {} has no more chunks to send and these chunk indexes are still marked as in-progress: {}", id, JSON.stringify(inProgressChunks))); + } + }, + + // upload chunk failure + function failure(response, xhr) { + log("Chunked upload request failed for " + id + ", chunk " + chunkIdx); + + handler.clearCachedChunk(id, chunkIdx); + + var responseToReport = upload.normalizeResponse(response, false), + inProgressIdx; + + if (responseToReport.reset) { + chunked.reset(id); + } + else { + inProgressIdx = qq.indexOf(handler._getFileState(id).chunking.inProgress, chunkIdx); + if (inProgressIdx >= 0) { + handler._getFileState(id).chunking.inProgress.splice(inProgressIdx, 1); + handler._getFileState(id).chunking.remaining.unshift(chunkIdx); + } + } + + // We may have aborted all other in-progress chunks for this file due to a failure. + // If so, ignore the failures associated with those aborts. + if (!handler._getFileState(id).temp.ignoreFailure) { + // If this chunk has failed, we want to ignore all other failures of currently in-progress + // chunks since they will be explicitly aborted + if (concurrentChunkingPossible) { + handler._getFileState(id).temp.ignoreFailure = true; + + log(qq.format("Going to attempt to abort these chunks: {}. These are currently in-progress: {}.", JSON.stringify(Object.keys(handler._getXhrs(id))), JSON.stringify(handler._getFileState(id).chunking.inProgress))); + qq.each(handler._getXhrs(id), function(ckid, ckXhr) { + log(qq.format("Attempting to abort file {}.{}. XHR readyState {}. ", id, ckid, ckXhr.readyState)); + ckXhr.abort(); + // Flag the transport, in case we are waiting for some other async operation + // to complete before attempting to upload the chunk + ckXhr._cancelled = true; + }); + + // We must indicate that all aborted chunks are no longer in progress + handler.moveInProgressToRemaining(id); + + // Free up any connections used by these chunks, but don't allow any + // other files to take up the connections (until we have exhausted all auto-retries) + connectionManager.free(id, true); + } + + if (!options.onAutoRetry(id, name, responseToReport, xhr)) { + // If one chunk fails, abort all of the others to avoid odd race conditions that occur + // if a chunk succeeds immediately after one fails before we have determined if the upload + // is a failure or not. + upload.cleanup(id, responseToReport, xhr); + } + } + } + ) + .done(function() { + handler.clearXhr(id, chunkIdx); + }) ; + } + } + }, + + connectionManager = { + _open: [], + _openChunks: {}, + _waiting: [], + + available: function() { + var max = options.maxConnections, + openChunkEntriesCount = 0, + openChunksCount = 0; + + qq.each(connectionManager._openChunks, function(fileId, openChunkIndexes) { + openChunkEntriesCount++; + openChunksCount += openChunkIndexes.length; + }); + + return max - (connectionManager._open.length - openChunkEntriesCount + openChunksCount); + }, + + /** + * Removes element from queue, starts upload of next + */ + free: function(id, dontAllowNext) { + var allowNext = !dontAllowNext, + waitingIndex = qq.indexOf(connectionManager._waiting, id), + connectionsIndex = qq.indexOf(connectionManager._open, id), + nextId; + + delete connectionManager._openChunks[id]; + + if (upload.getProxyOrBlob(id) instanceof qq.BlobProxy) { + log("Generated blob upload has ended for " + id + ", disposing generated blob."); + delete handler._getFileState(id).file; + } + + // If this file was not consuming a connection, it was just waiting, so remove it from the waiting array + if (waitingIndex >= 0) { + connectionManager._waiting.splice(waitingIndex, 1); + } + // If this file was consuming a connection, allow the next file to be uploaded + else if (allowNext && connectionsIndex >= 0) { + connectionManager._open.splice(connectionsIndex, 1); + + nextId = connectionManager._waiting.shift(); + if (nextId >= 0) { + connectionManager._open.push(nextId); + upload.start(nextId); + } + } + }, + + getWaitingOrConnected: function() { + var waitingOrConnected = []; + + // Chunked files may have multiple connections open per chunk (if concurrent chunking is enabled) + // We need to grab the file ID of any file that has at least one chunk consuming a connection. + qq.each(connectionManager._openChunks, function(fileId, chunks) { + if (chunks && chunks.length) { + waitingOrConnected.push(parseInt(fileId)); + } + }); + + // For non-chunked files, only one connection will be consumed per file. + // This is where we aggregate those file IDs. + qq.each(connectionManager._open, function(idx, fileId) { + if (!connectionManager._openChunks[fileId]) { + waitingOrConnected.push(parseInt(fileId)); + } + }); + + // There may be files waiting for a connection. + waitingOrConnected = waitingOrConnected.concat(connectionManager._waiting); + + return waitingOrConnected; + }, + + isUsingConnection: function(id) { + return qq.indexOf(connectionManager._open, id) >= 0; + }, + + open: function(id, chunkIdx) { + if (chunkIdx == null) { + connectionManager._waiting.push(id); + } + + if (connectionManager.available()) { + if (chunkIdx == null) { + connectionManager._waiting.pop(); + connectionManager._open.push(id); + } + else { + (function() { + var openChunksEntry = connectionManager._openChunks[id] || []; + openChunksEntry.push(chunkIdx); + connectionManager._openChunks[id] = openChunksEntry; + }()); + } + + return true; + } + + return false; + }, + + reset: function() { + connectionManager._waiting = []; + connectionManager._open = []; + } + }, + + simple = { + send: function(id, name) { + handler._getFileState(id).loaded = 0; + + log("Sending simple upload request for " + id); + handler.uploadFile(id).then( + function(response, optXhr) { + log("Simple upload request succeeded for " + id); + + var responseToReport = upload.normalizeResponse(response, true), + size = options.getSize(id); + + options.onProgress(id, name, size, size); + upload.maybeNewUuid(id, responseToReport); + upload.cleanup(id, responseToReport, optXhr); + }, + + function(response, optXhr) { + log("Simple upload request failed for " + id); + + var responseToReport = upload.normalizeResponse(response, false); + + if (!options.onAutoRetry(id, name, responseToReport, optXhr)) { + upload.cleanup(id, responseToReport, optXhr); + } + } + ); + } + }, + + upload = { + cancel: function(id) { + log("Cancelling " + id); + options.paramsStore.remove(id); + connectionManager.free(id); + }, + + cleanup: function(id, response, optXhr) { + var name = options.getName(id); + + options.onComplete(id, name, response, optXhr); + + if (handler._getFileState(id)) { + handler._clearXhrs && handler._clearXhrs(id); + } + + connectionManager.free(id); + }, + + // Returns a qq.BlobProxy, or an actual File/Blob if no proxy is involved, or undefined + // if none of these are available for the ID + getProxyOrBlob: function(id) { + return (handler.getProxy && handler.getProxy(id)) || + (handler.getFile && handler.getFile(id)); + }, + + initHandler: function() { + var handlerType = namespace ? qq[namespace] : qq.traditional, + handlerModuleSubtype = qq.supportedFeatures.ajaxUploading ? "Xhr" : "Form"; + + handler = new handlerType[handlerModuleSubtype + "UploadHandler"]( + options, + { + getDataByUuid: options.getDataByUuid, + getName: options.getName, + getSize: options.getSize, + getUuid: options.getUuid, + log: log, + onCancel: options.onCancel, + onProgress: options.onProgress, + onUuidChanged: options.onUuidChanged + } + ); + + if (handler._removeExpiredChunkingRecords) { + handler._removeExpiredChunkingRecords(); + } + }, + + isDeferredEligibleForUpload: function(id) { + return options.isQueued(id); + }, + + // For Blobs that are part of a group of generated images, along with a reference image, + // this will ensure the blobs in the group are uploaded in the order they were triggered, + // even if some async processing must be completed on one or more Blobs first. + maybeDefer: function(id, blob) { + // If we don't have a file/blob yet & no file/blob exists for this item, request it, + // and then submit the upload to the specific handler once the blob is available. + // ASSUMPTION: This condition will only ever be true if XHR uploading is supported. + if (blob && !handler.getFile(id) && blob instanceof qq.BlobProxy) { + + // Blob creation may take some time, so the caller may want to update the + // UI to indicate that an operation is in progress, even before the actual + // upload begins and an onUpload callback is invoked. + options.onUploadPrep(id); + + log("Attempting to generate a blob on-demand for " + id); + blob.create().then(function(generatedBlob) { + log("Generated an on-demand blob for " + id); + + // Update record associated with this file by providing the generated Blob + handler.updateBlob(id, generatedBlob); + + // Propagate the size for this generated Blob + options.setSize(id, generatedBlob.size); + + // Order handler to recalculate chunking possibility, if applicable + handler.reevaluateChunking(id); + + upload.maybeSendDeferredFiles(id); + }, + + // Blob could not be generated. Fail the upload & attempt to prevent retries. Also bubble error message. + function(errorMessage) { + var errorResponse = {}; + + if (errorMessage) { + errorResponse.error = errorMessage; + } + + log(qq.format("Failed to generate blob for ID {}. Error message: {}.", id, errorMessage), "error"); + + options.onComplete(id, options.getName(id), qq.extend(errorResponse, preventRetryResponse), null); + upload.maybeSendDeferredFiles(id); + connectionManager.free(id); + }); + } + else { + return upload.maybeSendDeferredFiles(id); + } + + return false; + }, + + // Upload any grouped blobs, in the proper order, that are ready to be uploaded + maybeSendDeferredFiles: function(id) { + var idsInGroup = options.getIdsInProxyGroup(id), + uploadedThisId = false; + + if (idsInGroup && idsInGroup.length) { + log("Maybe ready to upload proxy group file " + id); + + qq.each(idsInGroup, function(idx, idInGroup) { + if (upload.isDeferredEligibleForUpload(idInGroup) && !!handler.getFile(idInGroup)) { + uploadedThisId = idInGroup === id; + upload.now(idInGroup); + } + else if (upload.isDeferredEligibleForUpload(idInGroup)) { + return false; + } + }); + } + else { + uploadedThisId = true; + upload.now(id); + } + + return uploadedThisId; + }, + + maybeNewUuid: function(id, response) { + if (response.newUuid !== undefined) { + options.onUuidChanged(id, response.newUuid); + } + }, + + // The response coming from handler implementations may be in various formats. + // Instead of hoping a promise nested 5 levels deep will always return an object + // as its first param, let's just normalize the response here. + normalizeResponse: function(originalResponse, successful) { + var response = originalResponse; + + // The passed "response" param may not be a response at all. + // It could be a string, detailing the error, for example. + if (!qq.isObject(originalResponse)) { + response = {}; + + if (qq.isString(originalResponse) && !successful) { + response.error = originalResponse; + } + } + + response.success = successful; + + return response; + }, + + now: function(id) { + var name = options.getName(id); + + if (!controller.isValid(id)) { + throw new qq.Error(id + " is not a valid file ID to upload!"); + } + + options.onUpload(id, name); + + if (chunkingPossible && handler._shouldChunkThisFile(id)) { + chunked.sendNext(id); + } + else { + simple.send(id, name); + } + }, + + start: function(id) { + var blobToUpload = upload.getProxyOrBlob(id); + + if (blobToUpload) { + return upload.maybeDefer(id, blobToUpload); + } + else { + upload.now(id); + return true; + } + } + }; + + qq.extend(this, { + /** + * Adds file or file input to the queue + **/ + add: function(id, file) { + handler.add.apply(this, arguments); + }, + + /** + * Sends the file identified by id + */ + upload: function(id) { + if (connectionManager.open(id)) { + return upload.start(id); + } + return false; + }, + + retry: function(id) { + // On retry, if concurrent chunking has been enabled, we may have aborted all other in-progress chunks + // for a file when encountering a failed chunk upload. We then signaled the controller to ignore + // all failures associated with these aborts. We are now retrying, so we don't want to ignore + // any more failures at this point. + if (concurrentChunkingPossible) { + handler._getFileState(id).temp.ignoreFailure = false; + } + + // If we are attempting to retry a file that is already consuming a connection, this is likely an auto-retry. + // Just go ahead and ask the handler to upload again. + if (connectionManager.isUsingConnection(id)) { + return upload.start(id); + } + + // If we are attempting to retry a file that is not currently consuming a connection, + // this is likely a manual retry attempt. We will need to ensure a connection is available + // before the retry commences. + else { + return controller.upload(id); + } + }, + + /** + * Cancels file upload by id + */ + cancel: function(id) { + var cancelRetVal = handler.cancel(id); + + if (qq.isGenericPromise(cancelRetVal)) { + cancelRetVal.then(function() { + upload.cancel(id); + }); + } + else if (cancelRetVal !== false) { + upload.cancel(id); + } + }, + + /** + * Cancels all queued or in-progress uploads + */ + cancelAll: function() { + var waitingOrConnected = connectionManager.getWaitingOrConnected(), + i; + + // ensure files are cancelled in reverse order which they were added + // to avoid a flash of time where a queued file begins to upload before it is canceled + if (waitingOrConnected.length) { + for (i = waitingOrConnected.length - 1; i >= 0; i--) { + controller.cancel(waitingOrConnected[i]); + } + } + + connectionManager.reset(); + }, + + // Returns a File, Blob, or the Blob/File for the reference/parent file if the targeted blob is a proxy. + // Undefined if no file record is available. + getFile: function(id) { + if (handler.getProxy && handler.getProxy(id)) { + return handler.getProxy(id).referenceBlob; + } + + return handler.getFile && handler.getFile(id); + }, + + // Returns true if the Blob associated with the ID is related to a proxy s + isProxied: function(id) { + return !!(handler.getProxy && handler.getProxy(id)); + }, + + getInput: function(id) { + if (handler.getInput) { + return handler.getInput(id); + } + }, + + reset: function() { + log("Resetting upload handler"); + controller.cancelAll(); + connectionManager.reset(); + handler.reset(); + }, + + expunge: function(id) { + if (controller.isValid(id)) { + return handler.expunge(id); + } + }, + + /** + * Determine if the file exists. + */ + isValid: function(id) { + return handler.isValid(id); + }, + + getResumableFilesData: function() { + if (handler.getResumableFilesData) { + return handler.getResumableFilesData(); + } + return []; + }, + + /** + * This may or may not be implemented, depending on the handler. For handlers where a third-party ID is + * available (such as the "key" for Amazon S3), this will return that value. Otherwise, the return value + * will be undefined. + * + * @param id Internal file ID + * @returns {*} Some identifier used by a 3rd-party service involved in the upload process + */ + getThirdPartyFileId: function(id) { + if (controller.isValid(id)) { + return handler.getThirdPartyFileId(id); + } + }, + + /** + * Attempts to pause the associated upload if the specific handler supports this and the file is "valid". + * @param id ID of the upload/file to pause + * @returns {boolean} true if the upload was paused + */ + pause: function(id) { + if (controller.isResumable(id) && handler.pause && controller.isValid(id) && handler.pause(id)) { + connectionManager.free(id); + handler.moveInProgressToRemaining(id); + return true; + } + return false; + }, + + // True if the file is eligible for pause/resume. + isResumable: function(id) { + return !!handler.isResumable && handler.isResumable(id); + } + }); + + qq.extend(options, o); + log = options.log; + chunkingPossible = options.chunking.enabled && qq.supportedFeatures.chunking; + concurrentChunkingPossible = chunkingPossible && options.chunking.concurrent.enabled; + + preventRetryResponse = (function() { + var response = {}; + + response[options.preventRetryParam] = true; + + return response; + }()); + + upload.initHandler(); +}; + +/* globals qq */ +/** + * Common APIs exposed to creators of upload via form/iframe handlers. This is reused and possibly overridden + * in some cases by specific form upload handlers. + * + * @constructor + */ +qq.FormUploadHandler = function(spec) { + "use strict"; + + var options = spec.options, + handler = this, + proxy = spec.proxy, + formHandlerInstanceId = qq.getUniqueId(), + onloadCallbacks = {}, + detachLoadEvents = {}, + postMessageCallbackTimers = {}, + isCors = options.isCors, + inputName = options.inputName, + getUuid = proxy.getUuid, + log = proxy.log, + corsMessageReceiver = new qq.WindowReceiveMessage({log: log}); + + /** + * Remove any trace of the file from the handler. + * + * @param id ID of the associated file + */ + function expungeFile(id) { + delete detachLoadEvents[id]; + + // If we are dealing with CORS, we might still be waiting for a response from a loaded iframe. + // In that case, terminate the timer waiting for a message from the loaded iframe + // and stop listening for any more messages coming from this iframe. + if (isCors) { + clearTimeout(postMessageCallbackTimers[id]); + delete postMessageCallbackTimers[id]; + corsMessageReceiver.stopReceivingMessages(id); + } + + var iframe = document.getElementById(handler._getIframeName(id)); + if (iframe) { + // To cancel request set src to something else. We use src="javascript:false;" + // because it doesn't trigger ie6 prompt on https + /* jshint scripturl:true */ + iframe.setAttribute("src", "javascript:false;"); + + qq(iframe).remove(); + } + } + + /** + * @param iframeName `document`-unique Name of the associated iframe + * @returns {*} ID of the associated file + */ + function getFileIdForIframeName(iframeName) { + return iframeName.split("_")[0]; + } + + /** + * Generates an iframe to be used as a target for upload-related form submits. This also adds the iframe + * to the current `document`. Note that the iframe is hidden from view. + * + * @param name Name of the iframe. + * @returns {HTMLIFrameElement} The created iframe + */ + function initIframeForUpload(name) { + var iframe = qq.toElement("