Add a FormData polyfill for Edge comptaibility

Fixes #1220

CHANGES.md

 # Changelog
 
-## 4.0.2 (2018-??-??)
+## 4.0.2 (Unreleased)
 
 - M4A and WEBM files when sent as XEP-0066 Out of Band Data, are now playable directly in chat
+- #1220 Converse not working in Edge
 
 ## 4.0.1 (2018-09-19)
 

dist/converse.js

@@ -7685,6 +7685,407 @@ return Promise$2;
 
 /* WEBPACK VAR INJECTION */}.call(this, __webpack_require__(/*! ./../../webpack/buildin/global.js */ "./node_modules/webpack/buildin/global.js")))
 
+/***/ }),
+
+/***/ "./node_modules/formdata-polyfill/FormData.js":
+/*!****************************************************!*\
+  !*** ./node_modules/formdata-polyfill/FormData.js ***!
+  \****************************************************/
+/*! no static exports found */
+/***/ (function(module, exports) {
+
+if (typeof FormData === 'undefined' || !FormData.prototype.keys) {
+  const global = typeof window === 'object'
+    ? window : typeof self === 'object'
+    ? self : this
+
+  // keep a reference to native implementation
+  const _FormData = global.FormData
+
+  // To be monkey patched
+  const _send = global.XMLHttpRequest && global.XMLHttpRequest.prototype.send
+  const _fetch = global.Request && global.fetch
+
+  // Unable to patch Request constructor correctly
+  // const _Request = global.Request
+  // only way is to use ES6 class extend
+  // https://github.com/babel/babel/issues/1966
+
+  const stringTag = global.Symbol && Symbol.toStringTag
+  const map = new WeakMap
+  const wm = o => map.get(o)
+  const arrayFrom = Array.from || (obj => [].slice.call(obj))
+
+  // Add missing stringTags to blob and files
+  if (stringTag) {
+    if (!Blob.prototype[stringTag]) {
+      Blob.prototype[stringTag] = 'Blob'
+    }
+
+    if ('File' in global && !File.prototype[stringTag]) {
+      File.prototype[stringTag] = 'File'
+    }
+  }
+
+  // Fix so you can construct your own File
+  try {
+    new File([], '')
+  } catch (a) {
+    global.File = function(b, d, c) {
+      const blob = new Blob(b, c)
+      const t = c && void 0 !== c.lastModified ? new Date(c.lastModified) : new Date
+
+      Object.defineProperties(blob, {
+        name: {
+          value: d
+        },
+        lastModifiedDate: {
+          value: t
+        },
+        lastModified: {
+          value: +t
+        },
+        toString: {
+          value() {
+            return '[object File]'
+          }
+        }
+      })
+
+      if (stringTag) {
+        Object.defineProperty(blob, stringTag, {
+          value: 'File'
+        })
+      }
+
+      return blob
+    }
+  }
+
+  function normalizeValue([value, filename]) {
+    if (value instanceof Blob)
+      // Should always returns a new File instance
+      // console.assert(fd.get(x) !== fd.get(x))
+      value = new File([value], filename, {
+        type: value.type,
+        lastModified: value.lastModified
+      })
+
+    return value
+  }
+
+  function stringify(name) {
+    if (!arguments.length)
+      throw new TypeError('1 argument required, but only 0 present.')
+
+    return [name + '']
+  }
+
+  function normalizeArgs(name, value, filename) {
+    if (arguments.length < 2)
+      throw new TypeError(
+        `2 arguments required, but only ${arguments.length} present.`
+      )
+
+    return value instanceof Blob
+      // normalize name and filename if adding an attachment
+      ? [name + '', value, filename !== undefined
+        ? filename + '' // Cast filename to string if 3th arg isn't undefined
+        : typeof value.name === 'string' // if name prop exist
+          ? value.name // Use File.name
+          : 'blob'] // otherwise fallback to Blob
+
+      // If no attachment, just cast the args to strings
+      : [name + '', value + '']
+  }
+
+  /**
+   * @implements {Iterable}
+   */
+  class FormDataPolyfill {
+
+    /**
+     * FormData class
+     *
+     * @param {HTMLElement=} form
+     */
+    constructor(form) {
+      map.set(this, Object.create(null))
+
+      if (!form)
+        return this
+
+      for (let elm of arrayFrom(form.elements)) {
+        if (!elm.name || elm.disabled) continue
+
+        if (elm.type === 'file')
+          for (let file of arrayFrom(elm.files || []))
+            this.append(elm.name, file)
+        else if (elm.type === 'select-multiple' || elm.type === 'select-one')
+          for (let opt of arrayFrom(elm.options))
+            !opt.disabled && opt.selected && this.append(elm.name, opt.value)
+        else if (elm.type === 'checkbox' || elm.type === 'radio') {
+          if (elm.checked) this.append(elm.name, elm.value)
+        } else
+          this.append(elm.name, elm.value)
+      }
+    }
+
+
+    /**
+     * Append a field
+     *
+     * @param   {String}           name      field name
+     * @param   {String|Blob|File} value     string / blob / file
+     * @param   {String=}          filename  filename to use with blob
+     * @return  {Undefined}
+     */
+    append(name, value, filename) {
+      const map = wm(this)
+
+      if (!map[name])
+        map[name] = []
+
+      map[name].push([value, filename])
+    }
+
+
+    /**
+     * Delete all fields values given name
+     *
+     * @param   {String}  name  Field name
+     * @return  {Undefined}
+     */
+    delete(name) {
+      delete wm(this)[name]
+    }
+
+
+    /**
+     * Iterate over all fields as [name, value]
+     *
+     * @return {Iterator}
+     */
+    *entries() {
+      const map = wm(this)
+
+      for (let name in map)
+        for (let value of map[name])
+          yield [name, normalizeValue(value)]
+    }
+
+    /**
+     * Iterate over all fields
+     *
+     * @param   {Function}  callback  Executed for each item with parameters (value, name, thisArg)
+     * @param   {Object=}   thisArg   `this` context for callback function
+     * @return  {Undefined}
+     */
+    forEach(callback, thisArg) {
+      for (let [name, value] of this)
+        callback.call(thisArg, value, name, this)
+    }
+
+
+    /**
+     * Return first field value given name
+     * or null if non existen
+     *
+     * @param   {String}  name      Field name
+     * @return  {String|File|null}  value Fields value
+     */
+    get(name) {
+      const map = wm(this)
+      return map[name] ? normalizeValue(map[name][0]) : null
+    }
+
+
+    /**
+     * Return all fields values given name
+     *
+     * @param   {String}  name  Fields name
+     * @return  {Array}         [{String|File}]
+     */
+    getAll(name) {
+      return (wm(this)[name] || []).map(normalizeValue)
+    }
+
+
+    /**
+     * Check for field name existence
+     *
+     * @param   {String}   name  Field name
+     * @return  {boolean}
+     */
+    has(name) {
+      return name in wm(this)
+    }
+
+
+    /**
+     * Iterate over all fields name
+     *
+     * @return {Iterator}
+     */
+    *keys() {
+      for (let [name] of this)
+        yield name
+    }
+
+
+    /**
+     * Overwrite all values given name
+     *
+     * @param   {String}    name      Filed name
+     * @param   {String}    value     Field value
+     * @param   {String=}   filename  Filename (optional)
+     * @return  {Undefined}
+     */
+    set(name, value, filename) {
+      wm(this)[name] = [[value, filename]]
+    }
+
+
+    /**
+     * Iterate over all fields
+     *
+     * @return {Iterator}
+     */
+    *values() {
+      for (let [name, value] of this)
+        yield value
+    }
+
+
+    /**
+     * Return a native (perhaps degraded) FormData with only a `append` method
+     * Can throw if it's not supported
+     *
+     * @return {FormData}
+     */
+    ['_asNative']() {
+      const fd = new _FormData
+
+      for (let [name, value] of this)
+        fd.append(name, value)
+
+      return fd
+    }
+
+
+    /**
+     * [_blob description]
+     *
+     * @return {Blob} [description]
+     */
+    ['_blob']() {
+      const boundary = '----formdata-polyfill-' + Math.random()
+      const chunks = []
+
+      for (let [name, value] of this) {
+        chunks.push(`--${boundary}\r\n`)
+
+        if (value instanceof Blob) {
+          chunks.push(
+            `Content-Disposition: form-data; name="${name}"; filename="${value.name}"\r\n`,
+            `Content-Type: ${value.type || 'application/octet-stream'}\r\n\r\n`,
+            value,
+            '\r\n'
+          )
+        } else {
+          chunks.push(
+            `Content-Disposition: form-data; name="${name}"\r\n\r\n${value}\r\n`
+          )
+        }
+      }
+
+      chunks.push(`--${boundary}--`)
+
+      return new Blob(chunks, {type: 'multipart/form-data; boundary=' + boundary})
+    }
+
+
+    /**
+     * The class itself is iterable
+     * alias for formdata.entries()
+     *
+     * @return  {Iterator}
+     */
+    [Symbol.iterator]() {
+      return this.entries()
+    }
+
+
+    /**
+     * Create the default string description.
+     *
+     * @return  {String} [object FormData]
+     */
+    toString() {
+      return '[object FormData]'
+    }
+  }
+
+
+  if (stringTag) {
+    /**
+     * Create the default string description.
+     * It is accessed internally by the Object.prototype.toString().
+     *
+     * @return {String} FormData
+     */
+    FormDataPolyfill.prototype[stringTag] = 'FormData'
+  }
+
+  const decorations = [
+    ['append', normalizeArgs],
+    ['delete', stringify],
+    ['get',    stringify],
+    ['getAll', stringify],
+    ['has',    stringify],
+    ['set',    normalizeArgs]
+  ]
+
+  decorations.forEach(arr => {
+    const orig = FormDataPolyfill.prototype[arr[0]]
+    FormDataPolyfill.prototype[arr[0]] = function() {
+      return orig.apply(this, arr[1].apply(this, arrayFrom(arguments)))
+    }
+  })
+
+  // Patch xhr's send method to call _blob transparently
+  if (_send) {
+      XMLHttpRequest.prototype.send = function(data) {
+      // I would check if Content-Type isn't already set
+      // But xhr lacks getRequestHeaders functionallity
+      // https://github.com/jimmywarting/FormData/issues/44
+      if (data instanceof FormDataPolyfill) {
+        const blob = data['_blob']()
+        this.setRequestHeader('Content-Type', blob.type)
+        _send.call(this, blob)
+      } else {
+        _send.call(this, data)
+      }
+    }
+  }
+
+  // Patch fetch's function to call _blob transparently
+  if (_fetch) {
+    const _fetch = global.fetch
+
+    global.fetch = function(input, init) {
+      if (init && init.body && init.body instanceof FormDataPolyfill) {
+        init.body = init.body['_blob']()
+      }
+
+      return _fetch(input, init)
+    }
+  }
+
+  global['FormData'] = FormDataPolyfill
+}
+
+
 /***/ }),
 
 /***/ "./node_modules/jed/jed.js":
@@ -62203,11 +62604,11 @@ var __WEBPACK_AMD_DEFINE_FACTORY__, __WEBPACK_AMD_DEFINE_ARRAY__, __WEBPACK_AMD_
 
 /*global define */
 (function (root, factory) {
-  !(__WEBPACK_AMD_DEFINE_ARRAY__ = [__webpack_require__(/*! converse-core */ "./src/converse-core.js"), __webpack_require__(/*! bootstrap */ "./node_modules/bootstrap.native/dist/bootstrap-native-v4.js"), __webpack_require__(/*! lodash.fp */ "./src/lodash.fp.js"), __webpack_require__(/*! templates/converse_brand_heading.html */ "./src/templates/converse_brand_heading.html"), __webpack_require__(/*! templates/controlbox.html */ "./src/templates/controlbox.html"), __webpack_require__(/*! templates/controlbox_toggle.html */ "./src/templates/controlbox_toggle.html"), __webpack_require__(/*! templates/login_panel.html */ "./src/templates/login_panel.html"), __webpack_require__(/*! converse-chatview */ "./src/converse-chatview.js"), __webpack_require__(/*! converse-rosterview */ "./src/converse-rosterview.js"), __webpack_require__(/*! converse-profile */ "./src/converse-profile.js")], __WEBPACK_AMD_DEFINE_FACTORY__ = (factory),
+  !(__WEBPACK_AMD_DEFINE_ARRAY__ = [__webpack_require__(/*! converse-core */ "./src/converse-core.js"), __webpack_require__(/*! bootstrap */ "./node_modules/bootstrap.native/dist/bootstrap-native-v4.js"), __webpack_require__(/*! formdata-polyfill */ "./node_modules/formdata-polyfill/FormData.js"), __webpack_require__(/*! lodash.fp */ "./src/lodash.fp.js"), __webpack_require__(/*! templates/converse_brand_heading.html */ "./src/templates/converse_brand_heading.html"), __webpack_require__(/*! templates/controlbox.html */ "./src/templates/controlbox.html"), __webpack_require__(/*! templates/controlbox_toggle.html */ "./src/templates/controlbox_toggle.html"), __webpack_require__(/*! templates/login_panel.html */ "./src/templates/login_panel.html"), __webpack_require__(/*! converse-chatview */ "./src/converse-chatview.js"), __webpack_require__(/*! converse-rosterview */ "./src/converse-rosterview.js"), __webpack_require__(/*! converse-profile */ "./src/converse-profile.js")], __WEBPACK_AMD_DEFINE_FACTORY__ = (factory),
 				__WEBPACK_AMD_DEFINE_RESULT__ = (typeof __WEBPACK_AMD_DEFINE_FACTORY__ === 'function' ?
 				(__WEBPACK_AMD_DEFINE_FACTORY__.apply(exports, __WEBPACK_AMD_DEFINE_ARRAY__)) : __WEBPACK_AMD_DEFINE_FACTORY__),
 				__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));
-})(void 0, function (converse, bootstrap, fp, tpl_brand_heading, tpl_controlbox, tpl_controlbox_toggle, tpl_login_panel) {
+})(void 0, function (converse, bootstrap, _FormData, fp, tpl_brand_heading, tpl_controlbox, tpl_controlbox_toggle, tpl_login_panel) {
   "use strict";
 
   const CHATBOX_TYPE = 'chatbox';
@@ -67879,11 +68280,11 @@ var __WEBPACK_AMD_DEFINE_FACTORY__, __WEBPACK_AMD_DEFINE_ARRAY__, __WEBPACK_AMD_
 // Copyright (c) 2013-2018, the Converse.js developers
 // Licensed under the Mozilla Public License (MPLv2)
 (function (root, factory) {
-  !(__WEBPACK_AMD_DEFINE_ARRAY__ = [__webpack_require__(/*! converse-core */ "./src/converse-core.js"), __webpack_require__(/*! utils/muc */ "./src/utils/muc.js"), __webpack_require__(/*! xss */ "./node_modules/xss/dist/xss.js"), __webpack_require__(/*! templates/add_chatroom_modal.html */ "./src/templates/add_chatroom_modal.html"), __webpack_require__(/*! templates/chatarea.html */ "./src/templates/chatarea.html"), __webpack_require__(/*! templates/chatroom.html */ "./src/templates/chatroom.html"), __webpack_require__(/*! templates/chatroom_details_modal.html */ "./src/templates/chatroom_details_modal.html"), __webpack_require__(/*! templates/chatroom_disconnect.html */ "./src/templates/chatroom_disconnect.html"), __webpack_require__(/*! templates/chatroom_features.html */ "./src/templates/chatroom_features.html"), __webpack_require__(/*! templates/chatroom_form.html */ "./src/templates/chatroom_form.html"), __webpack_require__(/*! templates/chatroom_head.html */ "./src/templates/chatroom_head.html"), __webpack_require__(/*! templates/chatroom_invite.html */ "./src/templates/chatroom_invite.html"), __webpack_require__(/*! templates/chatroom_nickname_form.html */ "./src/templates/chatroom_nickname_form.html"), __webpack_require__(/*! templates/chatroom_password_form.html */ "./src/templates/chatroom_password_form.html"), __webpack_require__(/*! templates/chatroom_sidebar.html */ "./src/templates/chatroom_sidebar.html"), __webpack_require__(/*! templates/info.html */ "./src/templates/info.html"), __webpack_require__(/*! templates/list_chatrooms_modal.html */ "./src/templates/list_chatrooms_modal.html"), __webpack_require__(/*! templates/occupant.html */ "./src/templates/occupant.html"), __webpack_require__(/*! templates/room_description.html */ "./src/templates/room_description.html"), __webpack_require__(/*! templates/room_item.html */ "./src/templates/room_item.html"), __webpack_require__(/*! templates/room_panel.html */ "./src/templates/room_panel.html"), __webpack_require__(/*! templates/rooms_results.html */ "./src/templates/rooms_results.html"), __webpack_require__(/*! templates/spinner.html */ "./src/templates/spinner.html"), __webpack_require__(/*! awesomplete */ "./node_modules/awesomplete-avoid-xss/awesomplete.js"), __webpack_require__(/*! converse-modal */ "./src/converse-modal.js")], __WEBPACK_AMD_DEFINE_FACTORY__ = (factory),
+  !(__WEBPACK_AMD_DEFINE_ARRAY__ = [__webpack_require__(/*! converse-core */ "./src/converse-core.js"), __webpack_require__(/*! formdata-polyfill */ "./node_modules/formdata-polyfill/FormData.js"), __webpack_require__(/*! utils/muc */ "./src/utils/muc.js"), __webpack_require__(/*! xss */ "./node_modules/xss/dist/xss.js"), __webpack_require__(/*! templates/add_chatroom_modal.html */ "./src/templates/add_chatroom_modal.html"), __webpack_require__(/*! templates/chatarea.html */ "./src/templates/chatarea.html"), __webpack_require__(/*! templates/chatroom.html */ "./src/templates/chatroom.html"), __webpack_require__(/*! templates/chatroom_details_modal.html */ "./src/templates/chatroom_details_modal.html"), __webpack_require__(/*! templates/chatroom_disconnect.html */ "./src/templates/chatroom_disconnect.html"), __webpack_require__(/*! templates/chatroom_features.html */ "./src/templates/chatroom_features.html"), __webpack_require__(/*! templates/chatroom_form.html */ "./src/templates/chatroom_form.html"), __webpack_require__(/*! templates/chatroom_head.html */ "./src/templates/chatroom_head.html"), __webpack_require__(/*! templates/chatroom_invite.html */ "./src/templates/chatroom_invite.html"), __webpack_require__(/*! templates/chatroom_nickname_form.html */ "./src/templates/chatroom_nickname_form.html"), __webpack_require__(/*! templates/chatroom_password_form.html */ "./src/templates/chatroom_password_form.html"), __webpack_require__(/*! templates/chatroom_sidebar.html */ "./src/templates/chatroom_sidebar.html"), __webpack_require__(/*! templates/info.html */ "./src/templates/info.html"), __webpack_require__(/*! templates/list_chatrooms_modal.html */ "./src/templates/list_chatrooms_modal.html"), __webpack_require__(/*! templates/occupant.html */ "./src/templates/occupant.html"), __webpack_require__(/*! templates/room_description.html */ "./src/templates/room_description.html"), __webpack_require__(/*! templates/room_item.html */ "./src/templates/room_item.html"), __webpack_require__(/*! templates/room_panel.html */ "./src/templates/room_panel.html"), __webpack_require__(/*! templates/rooms_results.html */ "./src/templates/rooms_results.html"), __webpack_require__(/*! templates/spinner.html */ "./src/templates/spinner.html"), __webpack_require__(/*! awesomplete */ "./node_modules/awesomplete-avoid-xss/awesomplete.js"), __webpack_require__(/*! converse-modal */ "./src/converse-modal.js")], __WEBPACK_AMD_DEFINE_FACTORY__ = (factory),
 				__WEBPACK_AMD_DEFINE_RESULT__ = (typeof __WEBPACK_AMD_DEFINE_FACTORY__ === 'function' ?
 				(__WEBPACK_AMD_DEFINE_FACTORY__.apply(exports, __WEBPACK_AMD_DEFINE_ARRAY__)) : __WEBPACK_AMD_DEFINE_FACTORY__),
 				__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));
-})(void 0, function (converse, muc_utils, xss, tpl_add_chatroom_modal, tpl_chatarea, tpl_chatroom, tpl_chatroom_details_modal, tpl_chatroom_disconnect, tpl_chatroom_features, tpl_chatroom_form, tpl_chatroom_head, tpl_chatroom_invite, tpl_chatroom_nickname_form, tpl_chatroom_password_form, tpl_chatroom_sidebar, tpl_info, tpl_list_chatrooms_modal, tpl_occupant, tpl_room_description, tpl_room_item, tpl_room_panel, tpl_rooms_results, tpl_spinner, Awesomplete) {
+})(void 0, function (converse, _FormData, muc_utils, xss, tpl_add_chatroom_modal, tpl_chatarea, tpl_chatroom, tpl_chatroom_details_modal, tpl_chatroom_disconnect, tpl_chatroom_features, tpl_chatroom_form, tpl_chatroom_head, tpl_chatroom_invite, tpl_chatroom_nickname_form, tpl_chatroom_password_form, tpl_chatroom_sidebar, tpl_info, tpl_list_chatrooms_modal, tpl_occupant, tpl_room_description, tpl_room_item, tpl_room_panel, tpl_rooms_results, tpl_spinner, Awesomplete) {
   "use strict";
 
   const _converse$env = converse.env,
@@ -73362,11 +73763,11 @@ var __WEBPACK_AMD_DEFINE_FACTORY__, __WEBPACK_AMD_DEFINE_ARRAY__, __WEBPACK_AMD_
 
 /*global define */
 (function (root, factory) {
-  !(__WEBPACK_AMD_DEFINE_ARRAY__ = [__webpack_require__(/*! converse-core */ "./src/converse-core.js"), __webpack_require__(/*! bootstrap */ "./node_modules/bootstrap.native/dist/bootstrap-native-v4.js"), __webpack_require__(/*! templates/alert.html */ "./src/templates/alert.html"), __webpack_require__(/*! templates/chat_status_modal.html */ "./src/templates/chat_status_modal.html"), __webpack_require__(/*! templates/profile_modal.html */ "./src/templates/profile_modal.html"), __webpack_require__(/*! templates/profile_view.html */ "./src/templates/profile_view.html"), __webpack_require__(/*! templates/status_option.html */ "./src/templates/status_option.html"), __webpack_require__(/*! converse-vcard */ "./src/converse-vcard.js"), __webpack_require__(/*! converse-modal */ "./src/converse-modal.js")], __WEBPACK_AMD_DEFINE_FACTORY__ = (factory),
+  !(__WEBPACK_AMD_DEFINE_ARRAY__ = [__webpack_require__(/*! converse-core */ "./src/converse-core.js"), __webpack_require__(/*! bootstrap */ "./node_modules/bootstrap.native/dist/bootstrap-native-v4.js"), __webpack_require__(/*! formdata-polyfill */ "./node_modules/formdata-polyfill/FormData.js"), __webpack_require__(/*! templates/alert.html */ "./src/templates/alert.html"), __webpack_require__(/*! templates/chat_status_modal.html */ "./src/templates/chat_status_modal.html"), __webpack_require__(/*! templates/profile_modal.html */ "./src/templates/profile_modal.html"), __webpack_require__(/*! templates/profile_view.html */ "./src/templates/profile_view.html"), __webpack_require__(/*! templates/status_option.html */ "./src/templates/status_option.html"), __webpack_require__(/*! converse-vcard */ "./src/converse-vcard.js"), __webpack_require__(/*! converse-modal */ "./src/converse-modal.js")], __WEBPACK_AMD_DEFINE_FACTORY__ = (factory),
 				__WEBPACK_AMD_DEFINE_RESULT__ = (typeof __WEBPACK_AMD_DEFINE_FACTORY__ === 'function' ?
 				(__WEBPACK_AMD_DEFINE_FACTORY__.apply(exports, __WEBPACK_AMD_DEFINE_ARRAY__)) : __WEBPACK_AMD_DEFINE_FACTORY__),
 				__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));
-})(void 0, function (converse, bootstrap, tpl_alert, tpl_chat_status_modal, tpl_profile_modal, tpl_profile_view, tpl_status_option) {
+})(void 0, function (converse, bootstrap, _FormData, tpl_alert, tpl_chat_status_modal, tpl_profile_modal, tpl_profile_view, tpl_status_option) {
   "use strict";
 
   const _converse$env = converse.env,
@@ -75980,11 +76381,11 @@ var __WEBPACK_AMD_DEFINE_FACTORY__, __WEBPACK_AMD_DEFINE_ARRAY__, __WEBPACK_AMD_
 // Copyright (c) 2012-2018, the Converse.js developers
 // Licensed under the Mozilla Public License (MPLv2)
 (function (root, factory) {
-  !(__WEBPACK_AMD_DEFINE_ARRAY__ = [__webpack_require__(/*! converse-core */ "./src/converse-core.js"), __webpack_require__(/*! templates/add_contact_modal.html */ "./src/templates/add_contact_modal.html"), __webpack_require__(/*! templates/group_header.html */ "./src/templates/group_header.html"), __webpack_require__(/*! templates/pending_contact.html */ "./src/templates/pending_contact.html"), __webpack_require__(/*! templates/requesting_contact.html */ "./src/templates/requesting_contact.html"), __webpack_require__(/*! templates/roster.html */ "./src/templates/roster.html"), __webpack_require__(/*! templates/roster_filter.html */ "./src/templates/roster_filter.html"), __webpack_require__(/*! templates/roster_item.html */ "./src/templates/roster_item.html"), __webpack_require__(/*! templates/search_contact.html */ "./src/templates/search_contact.html"), __webpack_require__(/*! awesomplete */ "./node_modules/awesomplete-avoid-xss/awesomplete.js"), __webpack_require__(/*! converse-chatboxes */ "./src/converse-chatboxes.js"), __webpack_require__(/*! converse-modal */ "./src/converse-modal.js")], __WEBPACK_AMD_DEFINE_FACTORY__ = (factory),
+  !(__WEBPACK_AMD_DEFINE_ARRAY__ = [__webpack_require__(/*! converse-core */ "./src/converse-core.js"), __webpack_require__(/*! formdata-polyfill */ "./node_modules/formdata-polyfill/FormData.js"), __webpack_require__(/*! templates/add_contact_modal.html */ "./src/templates/add_contact_modal.html"), __webpack_require__(/*! templates/group_header.html */ "./src/templates/group_header.html"), __webpack_require__(/*! templates/pending_contact.html */ "./src/templates/pending_contact.html"), __webpack_require__(/*! templates/requesting_contact.html */ "./src/templates/requesting_contact.html"), __webpack_require__(/*! templates/roster.html */ "./src/templates/roster.html"), __webpack_require__(/*! templates/roster_filter.html */ "./src/templates/roster_filter.html"), __webpack_require__(/*! templates/roster_item.html */ "./src/templates/roster_item.html"), __webpack_require__(/*! templates/search_contact.html */ "./src/templates/search_contact.html"), __webpack_require__(/*! awesomplete */ "./node_modules/awesomplete-avoid-xss/awesomplete.js"), __webpack_require__(/*! converse-chatboxes */ "./src/converse-chatboxes.js"), __webpack_require__(/*! converse-modal */ "./src/converse-modal.js")], __WEBPACK_AMD_DEFINE_FACTORY__ = (factory),
 				__WEBPACK_AMD_DEFINE_RESULT__ = (typeof __WEBPACK_AMD_DEFINE_FACTORY__ === 'function' ?
 				(__WEBPACK_AMD_DEFINE_FACTORY__.apply(exports, __WEBPACK_AMD_DEFINE_ARRAY__)) : __WEBPACK_AMD_DEFINE_FACTORY__),
 				__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));
-})(void 0, function (converse, tpl_add_contact_modal, tpl_group_header, tpl_pending_contact, tpl_requesting_contact, tpl_roster, tpl_roster_filter, tpl_roster_item, tpl_search_contact, Awesomplete) {
+})(void 0, function (converse, _FormData, tpl_add_contact_modal, tpl_group_header, tpl_pending_contact, tpl_requesting_contact, tpl_roster, tpl_roster_filter, tpl_roster_item, tpl_search_contact, Awesomplete) {
   "use strict";
 
   const _converse$env = converse.env,
@@ -81311,7 +81712,7 @@ var __WEBPACK_AMD_DEFINE_FACTORY__, __WEBPACK_AMD_DEFINE_ARRAY__, __WEBPACK_AMD_
           filename = uri.filename(),
           lower_filename = filename.toLowerCase();
 
-    if (!_.includes(["https", "http"], uri.protocol().toLowerCase()) || lower_filename.endsWith('mp3') || lower_filename.endsWith('mp4') || lower_filename.endsWith('jpg') || lower_filename.endsWith('jpeg') || lower_filename.endsWith('png') || lower_filename.endsWith('gif') || lower_filename.endsWith('svg')) {
+    if (!_.includes(["https", "http"], uri.protocol().toLowerCase()) || lower_filename.endsWith('mp3') || lower_filename.endsWith('mp4') || lower_filename.endsWith('jpg') || lower_filename.endsWith('jpeg') || lower_filename.endsWith('png') || lower_filename.endsWith('gif') || lower_filename.endsWith('m4a') || lower_filename.endsWith('webm') || lower_filename.endsWith('svg')) {
       return url;
     }
 
@@ -81338,7 +81739,7 @@ var __WEBPACK_AMD_DEFINE_FACTORY__, __WEBPACK_AMD_DEFINE_ARRAY__, __WEBPACK_AMD_
   u.renderMovieURL = function (_converse, url) {
     const __ = _converse.__;
 
-    if (url.endsWith('mp4')) {
+    if (url.endsWith('mp4') || url.endsWith('webm')) {
       return tpl_video({
         'url': url,
         'label_download': __('Download video file')
@@ -81351,7 +81752,7 @@ var __WEBPACK_AMD_DEFINE_FACTORY__, __WEBPACK_AMD_DEFINE_ARRAY__, __WEBPACK_AMD_
   u.renderAudioURL = function (_converse, url) {
     const __ = _converse.__;
 
-    if (url.endsWith('mp3')) {
+    if (url.endsWith('mp3') || url.endsWith('m4a')) {
       return tpl_audio({
         'url': url,
         'label_download': __('Download audio file')

package-lock.json

@@ -4225,6 +4225,12 @@
         "samsam": "1.3.0"
       }
     },
+    "formdata-polyfill": {
+      "version": "3.0.12",
+      "resolved": "https://registry.npmjs.org/formdata-polyfill/-/formdata-polyfill-3.0.12.tgz",
+      "integrity": "sha512-y5V1Y4e2VSJ29+CAHozJwN9BqvsigYicZp/MqeYP00X/UMah3cLb2ix7/58fLcaAjwr8HfztD7Ih/IQCW1BGfw==",
+      "dev": true
+    },
     "fragment-cache": {
       "version": "0.2.1",
       "resolved": "https://registry.npmjs.org/fragment-cache/-/fragment-cache-0.2.1.tgz",

package.json

@@ -36,6 +36,7 @@
     "@babel/core": "^7.0.0-beta.48",
     "@babel/preset-env": "^7.0.0-beta.48",
     "@babel/preset-es2015": "^7.0.0-beta.49",
+    "@fortawesome/fontawesome-free": "5.3.1",
     "awesomplete-avoid-xss": "^1.1.2",
     "babel-loader": "^8.0.0-beta.3",
     "backbone": "1.3.3",
@@ -53,7 +54,7 @@
     "eslint-plugin-lodash": "^2.3.3",
     "exports-loader": "^0.7.0",
     "filesize": "^3.6.1",
-    "@fortawesome/fontawesome-free": "5.3.1",
+    "formdata-polyfill": "^3.0.12",
     "hellojs": "^1.16.1",
     "http-server": "^0.10.0",
     "imports-loader": "^0.8.0",

src/converse-controlbox.js

@@ -9,6 +9,7 @@
 (function (root, factory) {
     define(["converse-core",
             "bootstrap",
+            "formdata-polyfill",
             "lodash.fp",
             "templates/converse_brand_heading.html",
             "templates/controlbox.html",
@@ -21,6 +22,7 @@
 }(this, function (
             converse,
             bootstrap,
+            _FormData,
             fp,
             tpl_brand_heading,
             tpl_controlbox,

src/converse-muc-views.js

@@ -7,6 +7,7 @@
 (function (root, factory) {
     define([
         "converse-core",
+        "formdata-polyfill",
         "utils/muc",
         "xss",
         "templates/add_chatroom_modal.html",
@@ -34,6 +35,7 @@
     ], factory);
 }(this, function (
     converse,
+    _FormData,
     muc_utils,
     xss,
     tpl_add_chatroom_modal,

src/converse-profile.js

@@ -9,6 +9,7 @@
 (function (root, factory) {
     define(["converse-core",
             "bootstrap",
+            "formdata-polyfill",
             "templates/alert.html",
             "templates/chat_status_modal.html",
             "templates/profile_modal.html",
@@ -20,6 +21,7 @@
 }(this, function (
             converse,
             bootstrap,
+            _FormData,
             tpl_alert,
             tpl_chat_status_modal,
             tpl_profile_modal,

src/converse-rosterview.js

@@ -6,6 +6,7 @@
 
 (function (root, factory) {
     define(["converse-core",
+            "formdata-polyfill",
             "templates/add_contact_modal.html",
             "templates/group_header.html",
             "templates/pending_contact.html",
@@ -20,6 +21,7 @@
     ], factory);
 }(this, function (
             converse, 
+            _FormData,
             tpl_add_contact_modal,
             tpl_group_header,
             tpl_pending_contact,

webpack.config.js

@@ -80,6 +80,7 @@ const config = {
             "IPv6":                     path.resolve(__dirname, "node_modules/urijs/src/IPv6"),
             "SecondLevelDomains":       path.resolve(__dirname, "node_modules/urijs/src/SecondLevelDomains"),
             "awesomplete":              path.resolve(__dirname, "node_modules/awesomplete-avoid-xss/awesomplete"),
+            "formdata-polyfill":        path.resolve(__dirname, "node_modules/formdata-polyfill/FormData"),
             "backbone":                 path.resolve(__dirname, "node_modules/backbone/backbone"),
             "backbone.browserStorage":  path.resolve(__dirname, "node_modules/backbone.browserStorage/backbone.browserStorage"),
             "backbone.nativeview":      path.resolve(__dirname, "node_modules/backbone.nativeview/backbone.nativeview"),