"use strict"; Object.defineProperty(exports, "__esModule", { value: true }); exports.WidgetParser = void 0; var _Widget = require("./Widget"); var _url = require("./validation/url"); function _typeof(obj) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { return typeof obj; } : function (obj) { return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }, _typeof(obj); } function _createForOfIteratorHelper(o, allowArrayLike) { var it = typeof Symbol !== "undefined" && o[Symbol.iterator] || o["@@iterator"]; if (!it) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e) { throw _e; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = it.call(o); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e2) { didErr = true; err = _e2; }, f: function f() { try { if (!normalCompletion && it["return"] != null) it["return"](); } finally { if (didErr) throw err; } } }; } function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); } function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i]; return arr2; } function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, _toPropertyKey(descriptor.key), descriptor); } } function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); Object.defineProperty(Constructor, "prototype", { writable: false }); return Constructor; } function _toPropertyKey(arg) { var key = _toPrimitive(arg, "string"); return _typeof(key) === "symbol" ? key : String(key); } function _toPrimitive(input, hint) { if (_typeof(input) !== "object" || input === null) return input; var prim = input[Symbol.toPrimitive]; if (prim !== undefined) { var res = prim.call(input, hint || "default"); if (_typeof(res) !== "object") return res; throw new TypeError("@@toPrimitive must return a primitive value."); } return (hint === "string" ? String : Number)(input); } /* * Copyright 2020 The Matrix.org Foundation C.I.C. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ var WidgetParser = /*#__PURE__*/function () { function WidgetParser() { _classCallCheck(this, WidgetParser); } // private constructor because this is a util class /** * Parses widgets from the "m.widgets" account data event. This will always * return an array, though may be empty if no valid widgets were found. * @param {IAccountDataWidgets} content The content of the "m.widgets" account data. * @returns {Widget[]} The widgets in account data, or an empty array. */ _createClass(WidgetParser, null, [{ key: "parseAccountData", value: function parseAccountData(content) { if (!content) return []; var result = []; for (var _i = 0, _Object$keys = Object.keys(content); _i < _Object$keys.length; _i++) { var _widgetId = _Object$keys[_i]; var roughWidget = content[_widgetId]; if (!roughWidget) continue; if (roughWidget.type !== "m.widget" && roughWidget.type !== "im.vector.modular.widgets") continue; if (!roughWidget.sender) continue; var probableWidgetId = roughWidget.state_key || roughWidget.id; if (probableWidgetId !== _widgetId) continue; var asStateEvent = { content: roughWidget.content, sender: roughWidget.sender, type: "m.widget", state_key: _widgetId, event_id: "$example", room_id: "!example", origin_server_ts: 1 }; var widget = WidgetParser.parseRoomWidget(asStateEvent); if (widget) result.push(widget); } return result; } /** * Parses all the widgets possible in the given array. This will always return * an array, though may be empty if no widgets could be parsed. * @param {IStateEvent[]} currentState The room state to parse. * @returns {Widget[]} The widgets in the state, or an empty array. */ }, { key: "parseWidgetsFromRoomState", value: function parseWidgetsFromRoomState(currentState) { if (!currentState) return []; var result = []; var _iterator = _createForOfIteratorHelper(currentState), _step; try { for (_iterator.s(); !(_step = _iterator.n()).done;) { var state = _step.value; var widget = WidgetParser.parseRoomWidget(state); if (widget) result.push(widget); } } catch (err) { _iterator.e(err); } finally { _iterator.f(); } return result; } /** * Parses a state event into a widget. If the state event does not represent * a widget (wrong event type, invalid widget, etc) then null is returned. * @param {IStateEvent} stateEvent The state event. * @returns {Widget|null} The widget, or null if invalid */ }, { key: "parseRoomWidget", value: function parseRoomWidget(stateEvent) { if (!stateEvent) return null; // TODO: [Legacy] Remove legacy support if (stateEvent.type !== "m.widget" && stateEvent.type !== "im.vector.modular.widgets") { return null; } // Dev note: Throughout this function we have null safety to ensure that // if the caller did not supply something useful that we don't error. This // is done against the requirements of the interface because not everyone // will have an interface to validate against. var content = stateEvent.content || {}; // Form our best approximation of a widget with the information we have var estimatedWidget = { id: stateEvent.state_key, creatorUserId: content['creatorUserId'] || stateEvent.sender, name: content['name'], type: content['type'], url: content['url'], waitForIframeLoad: content['waitForIframeLoad'], data: content['data'] }; // Finally, process that widget return WidgetParser.processEstimatedWidget(estimatedWidget); } }, { key: "processEstimatedWidget", value: function processEstimatedWidget(widget) { // Validate that the widget has the best chance of passing as a widget if (!widget.id || !widget.creatorUserId || !widget.type) { return null; } if (!(0, _url.isValidUrl)(widget.url)) { return null; } // TODO: Validate data for known widget types return new _Widget.Widget(widget); } }]); return WidgetParser; }(); exports.WidgetParser = WidgetParser; //# sourceMappingURL=WidgetParser.js.map