xmppjs-chat-bot/lib/stanza.js

Server-side XMPP chat bot

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.PresenceStanza = exports.IqStanza = exports.MessageStanza = exports.Stanza = void 0;
const jid_1 = require("@xmpp/jid");
class Stanza {
    constructor(xml) {
        this.xml = xml;
        this.from = xml.attrs.from ? (0, jid_1.parse)(xml.attrs.from) : null;
        this.to = xml.attrs.to ? (0, jid_1.parse)(xml.attrs.to) : null;
        this.type = xml.attrs.type ?? null;
    }
    static parseIncoming(xml) {
        switch (xml.name) {
            case 'message': return new MessageStanza(xml);
            case 'iq': return new IqStanza(xml);
            case 'presence': return new PresenceStanza(xml);
        }
        return null;
    }
    toString() {
        return JSON.stringify(this.dump());
    }
    dump() {
        return {
            stanzaType: this.stanzaType,
            from: this.from?.toString(),
            to: this.to?.toString(),
            xml: this.xml.toString()
        };
    }
}
exports.Stanza = Stanza;
class MessageStanza extends Stanza {
    constructor() {
        super(...arguments);
        this.stanzaType = 'message';
    }
    isDelayed() {
        return !!this.xml.getChild('delay');
    }
    uniqueAndStableStanzaID() {
        return this.xml.getChild('stanza-id')?.attrs.id ?? null;
    }
    occupantId() {
        return this.xml.getChild('occupant-id')?.attrs.id ?? null;
    }
    body() {
        return this.xml.getChild('body')?.text() ?? null;
    }
    isMentionned(jids) {
        if (!jids) {
            return false;
        }
        if (!Array.isArray(jids)) {
            jids = [jids];
        }
        const jidsStrings = jids.map(jid => 'xmpp:' + jid.toString());
        const references = this.xml.getChildren('reference');
        for (const reference of references) {
            if (reference.attrs.type !== 'mention') {
                continue;
            }
            if (jidsStrings.includes(reference.attrs.uri)) {
                return true;
            }
            if (jidsStrings.includes(decodeURI(reference.attrs.uri))) {
                return true;
            }
        }
        return false;
    }
}
exports.MessageStanza = MessageStanza;
class IqStanza extends Stanza {
    constructor() {
        super(...arguments);
        this.stanzaType = 'iq';
    }
}
exports.IqStanza = IqStanza;
class PresenceStanza extends Stanza {
    constructor(xml) {
        super(xml);
        this.stanzaType = 'presence';
        this._IsNickNameChange = false;
        const xElems = this.xml.getChildren('x');
        for (const x of xElems) {
            const statusElems = x.getChildren('status');
            for (const status of statusElems) {
                if (status.attrs.code === '110') {
                    this._isMe = true;
                }
                if (status.attrs.code === '303') {
                    this._IsNickNameChange = true;
                }
            }
            const itemsElems = x.getChildren('item');
            for (const item of itemsElems) {
                if (item.attrs.role) {
                    this._Role = item.attrs.role;
                }
                if (item.attrs.affiliation) {
                    this._Affiliation = item.attrs.affiliation;
                }
                if (this._IsNickNameChange && item.attrs.nick) {
                    this._NewNickname = item.attrs.nick;
                }
            }
        }
        this._isMe ?? (this._isMe = false);
    }
    isMe() {
        return this._isMe;
    }
    role() {
        return this._Role;
    }
    affiliation() {
        return this._Affiliation;
    }
    isNickNameChange() {
        if (!this._IsNickNameChange || this._NewNickname === undefined) {
            return false;
        }
        return this._NewNickname;
    }
}
exports.PresenceStanza = PresenceStanza;
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