@hyperbytes/wappler-imap-manager/server_connect/modules/imapsubscribedlist.js

IMAP eMail Management for Wappler

const Imap = require('imap');

exports.imapsubscribedlist = async function (options) {
    const IMAP_HOST = this.parseOptional(options.imap_host, '*', process.env.IMAP_HOST);
    const IMAP_PASSWORD = this.parseOptional(options.imap_password, '*', process.env.IMAP_PASSWORD);
    const IMAP_USER = this.parseOptional(options.imap_usesr, '*', process.env.IMAP_USER);
    const IMAP_PORT = this.parseOptional(options.imap_port, '*', process.env.IMAP_PORT);
    const imap_tlsstring = this.parseOptional(options.imap_tls, '*', process.env.IMAP_TLS).toLowerCase();
    const IMAP_TLS = (imap_tlsstring == 'true');

    return new Promise((resolve, reject) => {
        const imap = new Imap({
            user: IMAP_USER,
            password: IMAP_PASSWORD,
            host: IMAP_HOST,
            port: IMAP_PORT,
            tls: IMAP_TLS,
            tlsOptions: {
                rejectUnauthorized: process.env.IMAP_CERTIFICATE_OVERRIDE === '1' ? false : true
            }

        });

        imap.once('ready', () => {
            imap.getSubscribedBoxes((err, boxes) => {
                if (err) {
                    imap.end();
                    return reject({ code: 400, error: `Error retrieving mailboxes: ${err.message}` });
                }

                const mailboxList = [];

                // Function to recursively extract subfolders
                function extractMailboxes(boxes, prefix = '') {
                    for (let name in boxes) {
                        const fullName = prefix ? `${prefix}/${name}` : name;
                        mailboxList.push(fullName);
                        if (boxes[name].children) {
                            extractMailboxes(boxes[name].children, fullName);
                        }
                    }
                }

                extractMailboxes(boxes);

                imap.end();
                resolve({ mailboxes: mailboxList });
            });
        });

        imap.once('error', (err) => {
            reject({ code: 401, error: `Connection error: ${err.message}` });
        });

        imap.once('end', () => {
            console.log('IMAP connection closed.');
        });

        imap.connect();
    });
};