element-portable/src/stores/widgets/StopGapWidget.ts
2020-09-30 20:49:31 -06:00

266 lines
10 KiB
TypeScript

/*
* 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.
*/
import { Room } from "matrix-js-sdk/src/models/room";
import {
ClientWidgetApi,
IStickerActionRequest,
IStickyActionRequest,
IWidget,
IWidgetApiRequest,
IWidgetApiRequestEmptyData,
IWidgetData,
MatrixCapabilities,
Widget,
WidgetApiFromWidgetAction,
} from "matrix-widget-api";
import { StopGapWidgetDriver } from "./StopGapWidgetDriver";
import { EventEmitter } from "events";
import { WidgetMessagingStore } from "./WidgetMessagingStore";
import RoomViewStore from "../RoomViewStore";
import { MatrixClientPeg } from "../../MatrixClientPeg";
import { OwnProfileStore } from "../OwnProfileStore";
import WidgetUtils from '../../utils/WidgetUtils';
import { IntegrationManagers } from "../../integrations/IntegrationManagers";
import SettingsStore from "../../settings/SettingsStore";
import { WidgetType } from "../../widgets/WidgetType";
import ActiveWidgetStore from "../ActiveWidgetStore";
import { objectShallowClone } from "../../utils/objects";
import defaultDispatcher from "../../dispatcher/dispatcher";
import { ElementWidgetActions } from "./ElementWidgetActions";
// TODO: Destroy all of this code
interface IAppTileProps {
// Note: these are only the props we care about
app: IWidget;
room: Room;
userId: string;
creatorUserId: string;
waitForIframeLoad: boolean;
whitelistCapabilities: string[];
userWidget: boolean;
}
// TODO: Don't use this because it's wrong
class ElementWidget extends Widget {
constructor(w) {
super(w);
}
public get templateUrl(): string {
if (WidgetType.JITSI.matches(this.type)) {
return WidgetUtils.getLocalJitsiWrapperUrl({
forLocalRender: true,
auth: this.rawData?.auth,
});
}
return super.templateUrl;
}
public get rawData(): IWidgetData {
let conferenceId = super.rawData['conferenceId'];
if (conferenceId === undefined) {
// we'll need to parse the conference ID out of the URL for v1 Jitsi widgets
const parsedUrl = new URL(this.templateUrl);
conferenceId = parsedUrl.searchParams.get("confId");
}
return {
...super.rawData,
theme: SettingsStore.getValue("theme"),
conferenceId,
};
}
}
export class StopGapWidget extends EventEmitter {
private messaging: ClientWidgetApi;
private mockWidget: Widget;
private scalarToken: string;
constructor(private appTileProps: IAppTileProps) {
super();
let app = appTileProps.app;
// Backwards compatibility: not all old widgets have a creatorUserId
if (!app.creatorUserId) {
app = objectShallowClone(app); // clone to prevent accidental mutation
app.creatorUserId = MatrixClientPeg.get().getUserId();
}
this.mockWidget = new ElementWidget(app);
}
public get widgetApi(): ClientWidgetApi {
return this.messaging;
}
/**
* The URL to use in the iframe
*/
public get embedUrl(): string {
const templated = this.mockWidget.getCompleteUrl({
currentRoomId: RoomViewStore.getRoomId(),
currentUserId: MatrixClientPeg.get().getUserId(),
userDisplayName: OwnProfileStore.instance.displayName,
userHttpAvatarUrl: OwnProfileStore.instance.getHttpAvatarUrl(),
});
// Add in some legacy support sprinkles
// TODO: Replace these with proper widget params
// See https://github.com/matrix-org/matrix-doc/pull/1958/files#r405714833
const parsed = new URL(templated);
parsed.searchParams.set('widgetId', this.mockWidget.id);
parsed.searchParams.set('parentUrl', window.location.href.split('#', 2)[0]);
// Give the widget a scalar token if we're supposed to (more legacy)
// TODO: Stop doing this
if (this.scalarToken) {
parsed.searchParams.set('scalar_token', this.scalarToken);
}
// Replace the encoded dollar signs back to dollar signs. They have no special meaning
// in HTTP, but URL parsers encode them anyways.
return parsed.toString().replace(/%24/g, '$');
}
/**
* The URL to use in the popout
*/
public get popoutUrl(): string {
if (WidgetType.JITSI.matches(this.mockWidget.type)) {
return WidgetUtils.getLocalJitsiWrapperUrl({
forLocalRender: false,
auth: this.mockWidget.rawData?.auth,
});
}
return this.embedUrl;
}
public get isManagedByManager(): boolean {
return !!this.scalarToken;
}
public get started(): boolean {
return !!this.messaging;
}
public start(iframe: HTMLIFrameElement) {
if (this.started) return;
const driver = new StopGapWidgetDriver( this.appTileProps.whitelistCapabilities || []);
this.messaging = new ClientWidgetApi(this.mockWidget, iframe, driver);
this.messaging.addEventListener("ready", () => this.emit("ready"));
WidgetMessagingStore.instance.storeMessaging(this.mockWidget, this.messaging);
if (!this.appTileProps.userWidget && this.appTileProps.room) {
ActiveWidgetStore.setRoomId(this.mockWidget.id, this.appTileProps.room.roomId);
}
if (WidgetType.JITSI.matches(this.mockWidget.type)) {
this.messaging.addEventListener("action:set_always_on_screen",
(ev: CustomEvent<IStickyActionRequest>) => {
if (this.messaging.hasCapability(MatrixCapabilities.AlwaysOnScreen)) {
ActiveWidgetStore.setWidgetPersistence(this.mockWidget.id, ev.detail.data.value);
ev.preventDefault();
this.messaging.transport.reply(ev.detail, <IWidgetApiRequestEmptyData>{}); // ack
}
},
);
} else if (WidgetType.STICKERPICKER.matches(this.mockWidget.type)) {
this.messaging.addEventListener(`action:${ElementWidgetActions.OpenIntegrationManager}`,
(ev: CustomEvent<IWidgetApiRequest>) => {
// Acknowledge first
ev.preventDefault();
this.messaging.transport.reply(ev.detail, <IWidgetApiRequestEmptyData>{});
// First close the stickerpicker
defaultDispatcher.dispatch({action: "stickerpicker_close"});
// Now open the integration manager
// TODO: Spec this interaction.
const data = ev.detail.data;
const integType = data?.integType
const integId = <string>data?.integId;
// TODO: Open the right integration manager for the widget
if (SettingsStore.getValue("feature_many_integration_managers")) {
IntegrationManagers.sharedInstance().openAll(
MatrixClientPeg.get().getRoom(RoomViewStore.getRoomId()),
`type_${integType}`,
integId,
);
} else {
IntegrationManagers.sharedInstance().getPrimaryManager().open(
MatrixClientPeg.get().getRoom(RoomViewStore.getRoomId()),
`type_${integType}`,
integId,
);
}
},
);
// TODO: Replace this event listener with appropriate driver functionality once the API
// establishes a sane way to send events back and forth.
this.messaging.addEventListener(`action:${WidgetApiFromWidgetAction.SendSticker}`,
(ev: CustomEvent<IStickerActionRequest>) => {
// Acknowledge first
ev.preventDefault();
this.messaging.transport.reply(ev.detail, <IWidgetApiRequestEmptyData>{});
// Send the sticker
defaultDispatcher.dispatch({
action: 'm.sticker',
data: ev.detail.data,
widgetId: this.mockWidget.id,
});
},
);
}
}
public async prepare(): Promise<void> {
if (this.scalarToken) return;
const existingMessaging = WidgetMessagingStore.instance.getMessaging(this.mockWidget);
if (existingMessaging) this.messaging = existingMessaging;
try {
if (WidgetUtils.isScalarUrl(this.mockWidget.templateUrl)) {
const managers = IntegrationManagers.sharedInstance();
if (managers.hasManager()) {
// TODO: Pick the right manager for the widget
const defaultManager = managers.getPrimaryManager();
if (WidgetUtils.isScalarUrl(defaultManager.apiUrl)) {
const scalar = defaultManager.getScalarClient();
this.scalarToken = await scalar.getScalarToken();
}
}
}
} catch (e) {
// All errors are non-fatal
console.error("Error preparing widget communications: ", e);
}
}
public stop() {
if (ActiveWidgetStore.getPersistentWidgetId() === this.mockWidget.id) {
console.log("Skipping destroy - persistent widget");
return;
}
if (!this.started) return;
WidgetMessagingStore.instance.stopMessaging(this.mockWidget);
ActiveWidgetStore.delRoomId(this.mockWidget.id);
}
}