258 lines
14 KiB
JavaScript
258 lines
14 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.WidgetEventCapability = exports.EventKind = exports.EventDirection = void 0;
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function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }
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function _createForOfIteratorHelper(r, e) { var t = "undefined" != typeof Symbol && r[Symbol.iterator] || r["@@iterator"]; if (!t) { if (Array.isArray(r) || (t = _unsupportedIterableToArray(r)) || e && r && "number" == typeof r.length) { t && (r = t); var _n = 0, F = function F() {}; return { s: F, n: function n() { return _n >= r.length ? { done: !0 } : { done: !1, value: r[_n++] }; }, e: function e(r) { throw r; }, 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 o, a = !0, u = !1; return { s: function s() { t = t.call(r); }, n: function n() { var r = t.next(); return a = r.done, r; }, e: function e(r) { u = !0, o = r; }, f: function f() { try { a || null == t["return"] || t["return"](); } finally { if (u) throw o; } } }; }
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function _unsupportedIterableToArray(r, a) { if (r) { if ("string" == typeof r) return _arrayLikeToArray(r, a); var t = {}.toString.call(r).slice(8, -1); return "Object" === t && r.constructor && (t = r.constructor.name), "Map" === t || "Set" === t ? Array.from(r) : "Arguments" === t || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(t) ? _arrayLikeToArray(r, a) : void 0; } }
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function _arrayLikeToArray(r, a) { (null == a || a > r.length) && (a = r.length); for (var e = 0, n = Array(a); e < a; e++) n[e] = r[e]; return n; }
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function _classCallCheck(a, n) { if (!(a instanceof n)) throw new TypeError("Cannot call a class as a function"); }
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function _defineProperties(e, r) { for (var t = 0; t < r.length; t++) { var o = r[t]; o.enumerable = o.enumerable || !1, o.configurable = !0, "value" in o && (o.writable = !0), Object.defineProperty(e, _toPropertyKey(o.key), o); } }
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function _createClass(e, r, t) { return r && _defineProperties(e.prototype, r), t && _defineProperties(e, t), Object.defineProperty(e, "prototype", { writable: !1 }), e; }
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function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == _typeof(i) ? i : i + ""; }
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function _toPrimitive(t, r) { if ("object" != _typeof(t) || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != _typeof(i)) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); }
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/*
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* Copyright 2020 The Matrix.org Foundation C.I.C.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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var EventKind = /*#__PURE__*/function (EventKind) {
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EventKind["Event"] = "event";
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EventKind["State"] = "state_event";
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EventKind["ToDevice"] = "to_device";
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EventKind["RoomAccount"] = "room_account";
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return EventKind;
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}({});
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exports.EventKind = EventKind;
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var EventDirection = /*#__PURE__*/function (EventDirection) {
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EventDirection["Send"] = "send";
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EventDirection["Receive"] = "receive";
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return EventDirection;
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}({});
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exports.EventDirection = EventDirection;
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var WidgetEventCapability = /*#__PURE__*/function () {
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function WidgetEventCapability(direction, eventType, kind, keyStr, raw) {
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_classCallCheck(this, WidgetEventCapability);
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this.direction = direction;
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this.eventType = eventType;
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this.kind = kind;
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this.keyStr = keyStr;
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this.raw = raw;
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}
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_createClass(WidgetEventCapability, [{
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key: "matchesAsStateEvent",
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value: function matchesAsStateEvent(direction, eventType, stateKey) {
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if (this.kind !== EventKind.State) return false; // not a state event
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if (this.direction !== direction) return false; // direction mismatch
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if (this.eventType !== eventType) return false; // event type mismatch
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if (this.keyStr === null) return true; // all state keys are allowed
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if (this.keyStr === stateKey) return true; // this state key is allowed
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// Default not allowed
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return false;
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}
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}, {
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key: "matchesAsToDeviceEvent",
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value: function matchesAsToDeviceEvent(direction, eventType) {
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if (this.kind !== EventKind.ToDevice) return false; // not a to-device event
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if (this.direction !== direction) return false; // direction mismatch
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if (this.eventType !== eventType) return false; // event type mismatch
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// Checks passed, the event is allowed
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return true;
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}
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}, {
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key: "matchesAsRoomEvent",
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value: function matchesAsRoomEvent(direction, eventType) {
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var msgtype = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : null;
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if (this.kind !== EventKind.Event) return false; // not a room event
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if (this.direction !== direction) return false; // direction mismatch
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if (this.eventType !== eventType) return false; // event type mismatch
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if (this.eventType === "m.room.message") {
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if (this.keyStr === null) return true; // all message types are allowed
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if (this.keyStr === msgtype) return true; // this message type is allowed
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} else {
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return true; // already passed the check for if the event is allowed
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}
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// Default not allowed
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return false;
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}
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}, {
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key: "matchesAsRoomAccountData",
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value: function matchesAsRoomAccountData(direction, eventType) {
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if (this.kind !== EventKind.RoomAccount) return false; // not room account data
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if (this.direction !== direction) return false; // direction mismatch
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if (this.eventType !== eventType) return false; // event type mismatch
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// Checks passed, the event is allowed
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return true;
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}
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}], [{
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key: "forStateEvent",
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value: function forStateEvent(direction, eventType, stateKey) {
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// TODO: Enable support for m.* namespace once the MSC lands.
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// https://github.com/matrix-org/matrix-widget-api/issues/22
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eventType = eventType.replace(/#/g, "\\#");
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stateKey = stateKey !== null && stateKey !== undefined ? "#".concat(stateKey) : "";
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var str = "org.matrix.msc2762.".concat(direction, ".state_event:").concat(eventType).concat(stateKey);
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// cheat by sending it through the processor
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return WidgetEventCapability.findEventCapabilities([str])[0];
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}
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}, {
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key: "forToDeviceEvent",
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value: function forToDeviceEvent(direction, eventType) {
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// TODO: Enable support for m.* namespace once the MSC lands.
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// https://github.com/matrix-org/matrix-widget-api/issues/56
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var str = "org.matrix.msc3819.".concat(direction, ".to_device:").concat(eventType);
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// cheat by sending it through the processor
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return WidgetEventCapability.findEventCapabilities([str])[0];
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}
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}, {
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key: "forRoomEvent",
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value: function forRoomEvent(direction, eventType) {
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// TODO: Enable support for m.* namespace once the MSC lands.
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// https://github.com/matrix-org/matrix-widget-api/issues/22
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var str = "org.matrix.msc2762.".concat(direction, ".event:").concat(eventType);
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// cheat by sending it through the processor
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return WidgetEventCapability.findEventCapabilities([str])[0];
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}
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}, {
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key: "forRoomMessageEvent",
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value: function forRoomMessageEvent(direction, msgtype) {
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// TODO: Enable support for m.* namespace once the MSC lands.
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// https://github.com/matrix-org/matrix-widget-api/issues/22
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msgtype = msgtype === null || msgtype === undefined ? "" : msgtype;
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var str = "org.matrix.msc2762.".concat(direction, ".event:m.room.message#").concat(msgtype);
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// cheat by sending it through the processor
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return WidgetEventCapability.findEventCapabilities([str])[0];
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}
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}, {
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key: "forRoomAccountData",
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value: function forRoomAccountData(direction, eventType) {
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var str = "com.beeper.capabilities.".concat(direction, ".room_account_data:").concat(eventType);
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return WidgetEventCapability.findEventCapabilities([str])[0];
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}
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/**
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* Parses a capabilities request to find all the event capability requests.
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* @param {Iterable<Capability>} capabilities The capabilities requested/to parse.
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* @returns {WidgetEventCapability[]} An array of event capability requests. May be empty, but never null.
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*/
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}, {
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key: "findEventCapabilities",
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value: function findEventCapabilities(capabilities) {
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var parsed = [];
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var _iterator = _createForOfIteratorHelper(capabilities),
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_step;
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try {
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for (_iterator.s(); !(_step = _iterator.n()).done;) {
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var cap = _step.value;
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var _direction = null;
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var eventSegment = void 0;
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var _kind = null;
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// TODO: Enable support for m.* namespace once the MSCs land.
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// https://github.com/matrix-org/matrix-widget-api/issues/22
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// https://github.com/matrix-org/matrix-widget-api/issues/56
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if (cap.startsWith("org.matrix.msc2762.send.event:")) {
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_direction = EventDirection.Send;
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_kind = EventKind.Event;
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eventSegment = cap.substring("org.matrix.msc2762.send.event:".length);
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} else if (cap.startsWith("org.matrix.msc2762.send.state_event:")) {
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_direction = EventDirection.Send;
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_kind = EventKind.State;
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eventSegment = cap.substring("org.matrix.msc2762.send.state_event:".length);
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} else if (cap.startsWith("org.matrix.msc3819.send.to_device:")) {
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_direction = EventDirection.Send;
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_kind = EventKind.ToDevice;
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eventSegment = cap.substring("org.matrix.msc3819.send.to_device:".length);
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} else if (cap.startsWith("org.matrix.msc2762.receive.event:")) {
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_direction = EventDirection.Receive;
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_kind = EventKind.Event;
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eventSegment = cap.substring("org.matrix.msc2762.receive.event:".length);
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} else if (cap.startsWith("org.matrix.msc2762.receive.state_event:")) {
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_direction = EventDirection.Receive;
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_kind = EventKind.State;
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eventSegment = cap.substring("org.matrix.msc2762.receive.state_event:".length);
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} else if (cap.startsWith("org.matrix.msc3819.receive.to_device:")) {
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_direction = EventDirection.Receive;
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_kind = EventKind.ToDevice;
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eventSegment = cap.substring("org.matrix.msc3819.receive.to_device:".length);
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} else if (cap.startsWith("com.beeper.capabilities.receive.room_account_data:")) {
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_direction = EventDirection.Receive;
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_kind = EventKind.RoomAccount;
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eventSegment = cap.substring("com.beeper.capabilities.receive.room_account_data:".length);
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}
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if (_direction === null || _kind === null || eventSegment === undefined) continue;
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// The capability uses `#` as a separator between event type and state key/msgtype,
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// so we split on that. However, a # is also valid in either one of those so we
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// join accordingly.
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// Eg: `m.room.message##m.text` is "m.room.message" event with msgtype "#m.text".
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var expectingKeyStr = eventSegment.startsWith("m.room.message#") || _kind === EventKind.State;
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var _keyStr = null;
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if (eventSegment.includes("#") && expectingKeyStr) {
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// Dev note: regex is difficult to write, so instead the rules are manually written
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// out. This is probably just as understandable as a boring regex though, so win-win?
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// Test cases:
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// str eventSegment keyStr
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// -------------------------------------------------------------
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// m.room.message# m.room.message <empty string>
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// m.room.message#test m.room.message test
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// m.room.message\# m.room.message# test
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// m.room.message##test m.room.message #test
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// m.room.message\##test m.room.message# test
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// m.room.message\\##test m.room.message\# test
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// m.room.message\\###test m.room.message\# #test
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// First step: explode the string
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var parts = eventSegment.split("#");
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// To form the eventSegment, we'll keep finding parts of the exploded string until
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// there's one that doesn't end with the escape character (\). We'll then join those
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// segments together with the exploding character. We have to remember to consume the
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// escape character as well.
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var idx = parts.findIndex(function (p) {
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return !p.endsWith("\\");
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});
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eventSegment = parts.slice(0, idx + 1).map(function (p) {
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return p.endsWith("\\") ? p.substring(0, p.length - 1) : p;
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}).join("#");
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// The keyStr is whatever is left over.
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_keyStr = parts.slice(idx + 1).join("#");
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}
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parsed.push(new WidgetEventCapability(_direction, eventSegment, _kind, _keyStr, cap));
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}
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} catch (err) {
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_iterator.e(err);
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} finally {
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_iterator.f();
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}
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return parsed;
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}
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}]);
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return WidgetEventCapability;
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}();
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exports.WidgetEventCapability = WidgetEventCapability;
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//# sourceMappingURL=WidgetEventCapability.js.map
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