element-portable/src/stores/widgets/StopGapWidget.ts

426 lines
17 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,
IGetOpenIDActionRequest,
IGetOpenIDActionResponseData,
IStickerActionRequest,
IStickyActionRequest,
ITemplateParams,
IWidget,
IWidgetApiRequest,
IWidgetApiRequestEmptyData,
IWidgetData,
MatrixCapabilities,
OpenIDRequestState,
runTemplate,
Widget,
WidgetApiToWidgetAction,
WidgetApiFromWidgetAction,
IModalWidgetOpenRequest, IWidgetApiErrorResponseData,
} 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, IViewRoomApiRequest } from "./ElementWidgetActions";
import Modal from "../../Modal";
import WidgetOpenIDPermissionsDialog from "../../components/views/dialogs/WidgetOpenIDPermissionsDialog";
import {ModalWidgetStore} from "../ModalWidgetStore";
import ThemeWatcher from "../../settings/watchers/ThemeWatcher";
import {getCustomTheme} from "../../theme";
import CountlyAnalytics from "../../CountlyAnalytics";
import { ElementWidgetCapabilities } from "./ElementWidgetCapabilities";
// 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: super.rawData?.auth as string, // this.rawData can call templateUrl, do this to prevent looping
});
}
return super.templateUrl;
}
public get popoutTemplateUrl(): string {
if (WidgetType.JITSI.matches(this.type)) {
return WidgetUtils.getLocalJitsiWrapperUrl({
forLocalRender: false, // The only important difference between this and templateUrl()
auth: super.rawData?.auth as string,
});
}
return this.templateUrl; // use this instead of super to ensure we get appropriate templating
}
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(super.templateUrl); // use super to get the raw widget URL
conferenceId = parsedUrl.searchParams.get("confId");
}
let domain = super.rawData['domain'];
if (domain === undefined) {
// v1 widgets default to jitsi.riot.im regardless of user settings
domain = "jitsi.riot.im";
}
let theme = new ThemeWatcher().getEffectiveTheme();
if (theme.startsWith("custom-")) {
const customTheme = getCustomTheme(theme.substr(7));
// Jitsi only understands light/dark
theme = customTheme.is_dark ? "dark" : "light";
}
// only allow light/dark through, defaulting to dark as that was previously the only state
// accounts for legacy-light/legacy-dark themes too
if (theme.includes("light")) {
theme = "light";
} else {
theme = "dark";
}
return {
...super.rawData,
theme,
conferenceId,
domain,
};
}
public getCompleteUrl(params: ITemplateParams, asPopout=false): string {
return runTemplate(asPopout ? this.popoutTemplateUrl : this.templateUrl, {
// we need to supply a whole widget to the template, but don't have
// easy access to the definition the superclass is using, so be sad
// and gutwrench it.
// This isn't a problem when the widget architecture is fixed and this
// subclass gets deleted.
...super['definition'], // XXX: Private member access
data: this.rawData,
}, params);
}
}
export class StopGapWidget extends EventEmitter {
private messaging: ClientWidgetApi;
private mockWidget: ElementWidget;
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 {
return this.runUrlTemplate({asPopout: false});
}
/**
* The URL to use in the popout
*/
public get popoutUrl(): string {
return this.runUrlTemplate({asPopout: true});
}
private runUrlTemplate(opts = {asPopout: false}): string {
const templated = this.mockWidget.getCompleteUrl({
currentRoomId: RoomViewStore.getRoomId(),
currentUserId: MatrixClientPeg.get().getUserId(),
userDisplayName: OwnProfileStore.instance.displayName,
userHttpAvatarUrl: OwnProfileStore.instance.getHttpAvatarUrl(),
}, opts?.asPopout);
const parsed = new URL(templated);
// Add in some legacy support sprinkles (for non-popout widgets)
// TODO: Replace these with proper widget params
// See https://github.com/matrix-org/matrix-doc/pull/1958/files#r405714833
if (!opts?.asPopout) {
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, '$');
}
public get isManagedByManager(): boolean {
return !!this.scalarToken;
}
public get started(): boolean {
return !!this.messaging;
}
private get widgetId() {
return this.messaging.widget.id;
}
private onOpenIdReq = async (ev: CustomEvent<IGetOpenIDActionRequest>) => {
ev.preventDefault();
const rawUrl = this.appTileProps.app.url;
const widgetSecurityKey = WidgetUtils.getWidgetSecurityKey(this.widgetId, rawUrl, this.appTileProps.userWidget);
const settings = SettingsStore.getValue("widgetOpenIDPermissions");
if (settings.deny && settings.deny.includes(widgetSecurityKey)) {
this.messaging.transport.reply(ev.detail, <IGetOpenIDActionResponseData>{
state: OpenIDRequestState.Blocked,
});
return;
}
if (settings.allow && settings.allow.includes(widgetSecurityKey)) {
const credentials = await MatrixClientPeg.get().getOpenIdToken();
this.messaging.transport.reply(ev.detail, <IGetOpenIDActionResponseData>{
state: OpenIDRequestState.Allowed,
...credentials,
});
return;
}
// Confirm that we received the request
this.messaging.transport.reply(ev.detail, <IGetOpenIDActionResponseData>{
state: OpenIDRequestState.PendingUserConfirmation,
});
// Actually ask for permission to send the user's data
Modal.createTrackedDialog("OpenID widget permissions", '', WidgetOpenIDPermissionsDialog, {
widgetUrl: rawUrl,
widgetId: this.widgetId,
isUserWidget: this.appTileProps.userWidget,
onFinished: async (confirm) => {
const responseBody: IGetOpenIDActionResponseData = {
state: confirm ? OpenIDRequestState.Allowed : OpenIDRequestState.Blocked,
original_request_id: ev.detail.requestId, // eslint-disable-line camelcase
};
if (confirm) {
const credentials = await MatrixClientPeg.get().getOpenIdToken();
Object.assign(responseBody, credentials);
}
this.messaging.transport.send(WidgetApiToWidgetAction.OpenIDCredentials, responseBody).catch(error => {
console.error("Failed to send OpenID credentials: ", error);
});
},
});
};
private onOpenModal = async (ev: CustomEvent<IModalWidgetOpenRequest>) => {
ev.preventDefault();
if (ModalWidgetStore.instance.canOpenModalWidget()) {
ModalWidgetStore.instance.openModalWidget(ev.detail.data, this.mockWidget);
this.messaging.transport.reply(ev.detail, {}); // ack
} else {
this.messaging.transport.reply(ev.detail, {
error: {
message: "Unable to open modal at this time",
},
})
}
};
public start(iframe: HTMLIFrameElement) {
if (this.started) return;
const allowedCapabilities = this.appTileProps.whitelistCapabilities || [];
const driver = new StopGapWidgetDriver( allowedCapabilities, this.mockWidget.type);
this.messaging = new ClientWidgetApi(this.mockWidget, iframe, driver);
this.messaging.on("preparing", () => this.emit("preparing"));
this.messaging.on("ready", () => this.emit("ready"));
this.messaging.on(`action:${WidgetApiFromWidgetAction.GetOpenIDCredentials}`, this.onOpenIdReq);
this.messaging.on(`action:${WidgetApiFromWidgetAction.OpenModalWidget}`, this.onOpenModal);
WidgetMessagingStore.instance.storeMessaging(this.mockWidget, this.messaging);
if (!this.appTileProps.userWidget && this.appTileProps.room) {
ActiveWidgetStore.setRoomId(this.mockWidget.id, this.appTileProps.room.roomId);
}
// Always attach a handler for ViewRoom, but permission check it internally
this.messaging.on(`action:${ElementWidgetActions.ViewRoom}`, (ev: CustomEvent<IViewRoomApiRequest>) => {
ev.preventDefault(); // stop the widget API from auto-rejecting this
// Check up front if this is even a valid request
const targetRoomId = (ev.detail.data || {}).room_id;
if (!targetRoomId) {
return this.messaging.transport.reply(ev.detail, <IWidgetApiErrorResponseData>{
error: {message: "Invalid room ID."},
});
}
// Check the widget's permission
if (!this.messaging.hasCapability(ElementWidgetCapabilities.CanChangeViewedRoom)) {
return this.messaging.transport.reply(ev.detail, <IWidgetApiErrorResponseData>{
error: {message: "This widget does not have permission for this action (denied)."},
});
}
// at this point we can change rooms, so do that
defaultDispatcher.dispatch({
action: 'view_room',
room_id: targetRoomId,
});
// acknowledge so the widget doesn't freak out
this.messaging.transport.reply(ev.detail, <IWidgetApiRequestEmptyData>{});
});
if (WidgetType.JITSI.matches(this.mockWidget.type)) {
this.messaging.on("action:set_always_on_screen",
(ev: CustomEvent<IStickyActionRequest>) => {
if (this.messaging.hasCapability(MatrixCapabilities.AlwaysOnScreen)) {
CountlyAnalytics.instance.trackJoinCall(this.appTileProps.room.roomId, true, true);
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.on(`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_${integType}`,
integId,
);
}
},
);
// TODO: Replace this event listener with appropriate driver functionality once the API
// establishes a sane way to send events back and forth.
this.messaging.on(`action:${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(opts = {forceDestroy: false}) {
if (!opts?.forceDestroy && 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);
}
}