@hsaadawy/ngx-chat
Version:
110 lines • 19.3 kB
JavaScript
import { __awaiter } from "tslib";
import { xml } from '@xmpp/client';
import { BehaviorSubject } from 'rxjs';
import { AbstractXmppPlugin } from './abstract-xmpp-plugin';
export const MUC_SUB_FEATURE_ID = 'urn:xmpp:mucsub:0';
export var MUC_SUB_EVENT_TYPE;
(function (MUC_SUB_EVENT_TYPE) {
MUC_SUB_EVENT_TYPE["presence"] = "urn:xmpp:mucsub:nodes:presence";
MUC_SUB_EVENT_TYPE["messages"] = "urn:xmpp:mucsub:nodes:messages";
MUC_SUB_EVENT_TYPE["affiliations"] = "urn:xmpp:mucsub:nodes:affiliations";
MUC_SUB_EVENT_TYPE["subscribers"] = "urn:xmpp:mucsub:nodes:subscribers";
MUC_SUB_EVENT_TYPE["config"] = "urn:xmpp:mucsub:nodes:config";
MUC_SUB_EVENT_TYPE["subject"] = "urn:xmpp:mucsub:nodes:subject";
MUC_SUB_EVENT_TYPE["system"] = "urn:xmpp:mucsub:nodes:system";
})(MUC_SUB_EVENT_TYPE || (MUC_SUB_EVENT_TYPE = {}));
/**
* support for https://docs.ejabberd.im/developer/xmpp-clients-bots/extensions/muc-sub/
*/
export class MucSubPlugin extends AbstractXmppPlugin {
constructor(xmppChatAdapter, serviceDiscoveryPlugin) {
super();
this.xmppChatAdapter = xmppChatAdapter;
this.serviceDiscoveryPlugin = serviceDiscoveryPlugin;
this.supportsMucSub$ = new BehaviorSubject('unknown');
}
onBeforeOnline() {
return this.determineSupportForMucSub();
}
determineSupportForMucSub() {
return __awaiter(this, void 0, void 0, function* () {
let isSupported;
try {
const service = yield this.serviceDiscoveryPlugin.findService('conference', 'text');
isSupported = service.features.includes(MUC_SUB_FEATURE_ID);
}
catch (e) {
isSupported = false;
}
this.supportsMucSub$.next(isSupported);
});
}
onOffline() {
this.supportsMucSub$.next('unknown');
}
subscribeRoom(roomJid, nodes = []) {
return __awaiter(this, void 0, void 0, function* () {
const nick = this.xmppChatAdapter.chatConnectionService.userJid.local;
yield this.xmppChatAdapter.chatConnectionService.sendIq(makeSubscribeRoomStanza(roomJid, nick, nodes));
});
}
unsubscribeRoom(roomJid) {
return __awaiter(this, void 0, void 0, function* () {
yield this.xmppChatAdapter.chatConnectionService.sendIq(makeUnsubscribeRoomStanza(roomJid));
});
}
/**
* A room moderator can unsubscribe others providing the their jid as attribute to the information query (iq)
* see: https://docs.ejabberd.im/developer/xmpp-clients-bots/extensions/muc-sub/#unsubscribing-from-a-muc-room
* @param roomJid for the room to be unsubscribed from
* @param jid user id to be unsubscribed
*/
unsubscribeJidFromRoom(roomJid, jid) {
this.xmppChatAdapter.chatConnectionService.sendIq(xml('iq', { type: 'set', to: roomJid }, xml('unsubscribe', { xmlns: 'urn:xmpp:mucsub:0', jid })));
}
/**
* A user can query the MUC service to get their list of subscriptions.
* see: https://docs.ejabberd.im/developer/xmpp-clients-bots/extensions/muc-sub/#g dd ddetting-list-of-subscribed-rooms
*/
getSubscribedRooms() {
return __awaiter(this, void 0, void 0, function* () {
const { local, domain } = this.xmppChatAdapter.chatConnectionService.userJid;
const from = `${local}@${domain}`;
const subscriptions = yield this.xmppChatAdapter.chatConnectionService.sendIq(xml('iq', { type: 'get', from, to: 'muc.' + domain }, xml('subscriptions', { xmlns: 'urn:xmpp:mucsub:0' })));
return subscriptions.getChildren('subscription').map(sub => sub.getAttr('jid'));
});
}
/**
* A subscriber or room moderator can get the list of subscribers by sending <subscriptions/> request directly to the room JID.
* see: https://docs.ejabberd.im/developer/xmpp-clients-bots/extensions/muc-sub/#getting-list-of-subscribers-of-a-room
* @param roomJid of the room the get a subscriber list from
*/
getSubscribers(roomJid) {
this.xmppChatAdapter.chatConnectionService.sendIq(xml('iq', { type: 'get', to: roomJid }, xml('subscriptions', { xmlns: 'urn:xmpp:mucsub:0' })));
}
retrieveSubscriptions() {
var _a, _b;
return __awaiter(this, void 0, void 0, function* () {
const service = yield this.serviceDiscoveryPlugin.findService('conference', 'text');
const result = yield this.xmppChatAdapter.chatConnectionService.sendIq(makeRetrieveSubscriptionsStanza(service.jid));
const subscriptions = (_b = (_a = result
.getChild('subscriptions', MUC_SUB_FEATURE_ID)) === null || _a === void 0 ? void 0 : _a.getChildren('subscription')) === null || _b === void 0 ? void 0 : _b.map(subscriptionElement => {
var _a, _b;
const subscribedEvents = (_b = (_a = subscriptionElement
.getChildren('event')) === null || _a === void 0 ? void 0 : _a.map(eventElement => eventElement.attrs.node)) !== null && _b !== void 0 ? _b : [];
return [subscriptionElement.attrs.jid, subscribedEvents];
});
return new Map(subscriptions);
});
}
}
function makeSubscribeRoomStanza(roomJid, nick, nodes) {
return xml('iq', { type: 'set', to: roomJid }, xml('subscribe', { xmlns: MUC_SUB_FEATURE_ID, nick }, nodes.map(node => xml('event', { node }))));
}
function makeUnsubscribeRoomStanza(roomJid) {
return xml('iq', { type: 'set', to: roomJid }, xml('unsubscribe', { xmlns: MUC_SUB_FEATURE_ID }));
}
function makeRetrieveSubscriptionsStanza(conferenceServiceJid) {
return xml('iq', { type: 'get', to: conferenceServiceJid }, xml('subscriptions', { xmlns: MUC_SUB_FEATURE_ID }));
}
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{ xml } from '@xmpp/client';\r\nimport { BehaviorSubject } from 'rxjs';\r\nimport { XmppChatAdapter } from '../xmpp-chat-adapter.service';\r\nimport { AbstractXmppPlugin } from './abstract-xmpp-plugin';\r\nimport { ServiceDiscoveryPlugin } from './service-discovery.plugin';\r\nimport { Stanza } from '../../../../core/stanza';\r\n\r\nexport const MUC_SUB_FEATURE_ID = 'urn:xmpp:mucsub:0';\r\n\r\nexport enum MUC_SUB_EVENT_TYPE {\r\n    presence = 'urn:xmpp:mucsub:nodes:presence',\r\n    messages = 'urn:xmpp:mucsub:nodes:messages',\r\n    affiliations = 'urn:xmpp:mucsub:nodes:affiliations',\r\n    subscribers = 'urn:xmpp:mucsub:nodes:subscribers',\r\n    config = 'urn:xmpp:mucsub:nodes:config',\r\n    subject = 'urn:xmpp:mucsub:nodes:subject',\r\n    system = 'urn:xmpp:mucsub:nodes:system',\r\n}\r\n\r\n/**\r\n * support for https://docs.ejabberd.im/developer/xmpp-clients-bots/extensions/muc-sub/\r\n */\r\nexport class MucSubPlugin extends AbstractXmppPlugin {\r\n    private readonly supportsMucSub$ = new BehaviorSubject<boolean | 'unknown'>('unknown');\r\n\r\n    constructor(\r\n        private readonly xmppChatAdapter: XmppChatAdapter,\r\n        private readonly serviceDiscoveryPlugin: ServiceDiscoveryPlugin,\r\n    ) {\r\n        super();\r\n    }\r\n\r\n    onBeforeOnline(): PromiseLike<void> {\r\n        return this.determineSupportForMucSub();\r\n    }\r\n\r\n    private async determineSupportForMucSub() {\r\n        let isSupported: boolean;\r\n        try {\r\n            const service = await this.serviceDiscoveryPlugin.findService('conference', 'text');\r\n            isSupported = service.features.includes(MUC_SUB_FEATURE_ID);\r\n        } catch (e) {\r\n            isSupported = false;\r\n        }\r\n        this.supportsMucSub$.next(isSupported);\r\n    }\r\n\r\n    onOffline() {\r\n        this.supportsMucSub$.next('unknown');\r\n    }\r\n\r\n    async subscribeRoom(roomJid: string, nodes: string[] = []): Promise<void> {\r\n        const nick = this.xmppChatAdapter.chatConnectionService.userJid.local;\r\n        await this.xmppChatAdapter.chatConnectionService.sendIq(\r\n            makeSubscribeRoomStanza(roomJid, nick, nodes)\r\n        );\r\n    }\r\n\r\n    async unsubscribeRoom(roomJid: string): Promise<void> {\r\n        await this.xmppChatAdapter.chatConnectionService.sendIq(\r\n            makeUnsubscribeRoomStanza(roomJid)\r\n        );\r\n    }\r\n\r\n    /**\r\n     * A room moderator can unsubscribe others providing the their jid as attribute to the information query (iq)\r\n     * see: https://docs.ejabberd.im/developer/xmpp-clients-bots/extensions/muc-sub/#unsubscribing-from-a-muc-room\r\n     * @param roomJid for the room to be unsubscribed from\r\n     * @param jid user id to be unsubscribed\r\n     */\r\n    unsubscribeJidFromRoom(roomJid: string, jid: string) {\r\n        this.xmppChatAdapter.chatConnectionService.sendIq(\r\n            xml('iq', {type: 'set', to: roomJid},\r\n                xml('unsubscribe', {xmlns: 'urn:xmpp:mucsub:0', jid}),\r\n            ),\r\n        );\r\n    }\r\n\r\n    /**\r\n     * A user can query the MUC service to get their list of subscriptions.\r\n     * see: https://docs.ejabberd.im/developer/xmpp-clients-bots/extensions/muc-sub/#g dd ddetting-list-of-subscribed-rooms\r\n     */\r\n    async getSubscribedRooms() {\r\n        const {local, domain} = this.xmppChatAdapter.chatConnectionService.userJid;\r\n        const from = `${local}@${domain}`;\r\n        const subscriptions = await this.xmppChatAdapter.chatConnectionService.sendIq(\r\n            xml('iq', {type: 'get', from, to: 'muc.' + domain},\r\n                xml('subscriptions', {xmlns: 'urn:xmpp:mucsub:0'}),\r\n            ),\r\n        );\r\n        return subscriptions.getChildren('subscription').map(sub => sub.getAttr('jid'));\r\n    }\r\n\r\n    /**\r\n     * A subscriber or room moderator can get the list of subscribers by sending <subscriptions/> request directly to the room JID.\r\n     * see: https://docs.ejabberd.im/developer/xmpp-clients-bots/extensions/muc-sub/#getting-list-of-subscribers-of-a-room\r\n     * @param roomJid of the room the get a subscriber list from\r\n     */\r\n    getSubscribers(roomJid: string) {\r\n        this.xmppChatAdapter.chatConnectionService.sendIq(\r\n            xml('iq', {type: 'get', to: roomJid},\r\n                xml('subscriptions', {xmlns: 'urn:xmpp:mucsub:0'}),\r\n            ),\r\n        );\r\n    }\r\n\r\n    async retrieveSubscriptions(): Promise<Map<string, string[]>> {\r\n        const service = await this.serviceDiscoveryPlugin.findService('conference', 'text');\r\n\r\n        const result = await this.xmppChatAdapter.chatConnectionService.sendIq(\r\n            makeRetrieveSubscriptionsStanza(service.jid)\r\n        );\r\n\r\n        const subscriptions = result\r\n            .getChild('subscriptions', MUC_SUB_FEATURE_ID)\r\n            ?.getChildren('subscription')\r\n            ?.map(subscriptionElement => {\r\n                const subscribedEvents: string[] = subscriptionElement\r\n                    .getChildren('event')\r\n                    ?.map(eventElement => eventElement.attrs.node) ?? [];\r\n                return [subscriptionElement.attrs.jid as string, subscribedEvents] as const;\r\n            });\r\n\r\n        return new Map(subscriptions);\r\n    }\r\n}\r\n\r\nfunction makeSubscribeRoomStanza(roomJid: string, nick: string, nodes: readonly string[]): Stanza {\r\n    return xml('iq', {type: 'set', to: roomJid},\r\n        xml('subscribe', {xmlns: MUC_SUB_FEATURE_ID, nick},\r\n            nodes.map(node => xml('event', {node}))\r\n        )\r\n    );\r\n}\r\n\r\nfunction makeUnsubscribeRoomStanza(roomJid: string): Stanza {\r\n    return xml('iq', {type: 'set', to: roomJid},\r\n        xml('unsubscribe', {xmlns: MUC_SUB_FEATURE_ID})\r\n    );\r\n}\r\n\r\nfunction makeRetrieveSubscriptionsStanza(conferenceServiceJid: string): Stanza {\r\n    return xml('iq', {type: 'get', to: conferenceServiceJid},\r\n        xml('subscriptions', {xmlns: MUC_SUB_FEATURE_ID})\r\n    );\r\n}\r\n"]}