@periskope/baileys/lib/Socket/mex.js

WhatsApp API

import { Boom } from '@hapi/boom';
import { getBinaryNodeChild, S_WHATSAPP_NET } from '../WABinary/index.js';
const wMexQuery = (variables, queryId, query, generateMessageTag) => {
    return query({
        tag: 'iq',
        attrs: {
            id: generateMessageTag(),
            type: 'get',
            to: S_WHATSAPP_NET,
            xmlns: 'w:mex'
        },
        content: [
            {
                tag: 'query',
                attrs: { query_id: queryId },
                content: Buffer.from(JSON.stringify({ variables }), 'utf-8')
            }
        ]
    });
};
export const executeWMexQuery = async (variables, queryId, dataPath, query, generateMessageTag) => {
    const result = await wMexQuery(variables, queryId, query, generateMessageTag);
    const child = getBinaryNodeChild(result, 'result');
    if (child?.content) {
        const data = JSON.parse(child.content.toString());
        if (data.errors && data.errors.length > 0) {
            const errorMessages = data.errors.map((err) => err.message || 'Unknown error').join(', ');
            const firstError = data.errors[0];
            const errorCode = firstError.extensions?.error_code || 400;
            throw new Boom(`GraphQL server error: ${errorMessages}`, { statusCode: errorCode, data: firstError });
        }
        const response = dataPath ? data?.data?.[dataPath] : data?.data;
        if (typeof response !== 'undefined') {
            return response;
        }
    }
    const action = (dataPath || '').startsWith('xwa2_')
        ? dataPath.substring(5).replace(/_/g, ' ')
        : dataPath?.replace(/_/g, ' ');
    throw new Boom(`Failed to ${action}, unexpected response structure.`, { statusCode: 400, data: result });
};
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