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

IMAP eMail Management for Wappler

const Imap = require('imap');

exports.imapdelete = async function (options, name) {
    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');

    const uid = this.parseRequired(options.uid, '*', "No message UID specified");
    const uidvalidity = Number(this.parseRequired(options.uidvalidity, '*', "No UIDVALIDITY specified"));
    const mailbox = this.parseRequired(options.mailbox, '*', "No Mailbox specified");
    const flagonly = this.parseOptional(options.flagonly, '*', false);

    function deleteEmail(config, emailUID, uidvalidity) {
        return new Promise((resolve) => {
            const imap = new Imap(config);

            function openMailbox(cb) {
                imap.openBox(mailbox, false, cb);
            }

            imap.once('ready', function () {
                openMailbox(function (err, box) {
                    if (err) {
                        imap.end();
                        return resolve({ uid: null, mailbox: mailbox, status: 401 });
                    }

                    if (box.uidvalidity !== uidvalidity) {
                        imap.end();
                        return resolve({ uid: null, mailbox: mailbox, status: 401 });
                    }

                    imap.addFlags(emailUID, ['\\Deleted'], function (err) {
                        if (err) {
                            imap.end();
                            return resolve({ uid: emailUID, mailbox: mailbox, status: 401 });
                        }

                        console.log(`Email UID ${emailUID} marked for deletion.`);


                        imap.end();
                        resolve({ uid: emailUID, mailbox: mailbox, expunged: !flagonly, status: 200 });
                    });
                });
            });

            imap.once('error', function () {
                resolve({ uid: null, mailbox: mailbox, status: 401 });
            });

            imap.once('end', function () {
                console.log('IMAP Connection ended');
            });

            imap.connect();
        });
    }

    // Config setup
    const config = {
        user: IMAP_USER,
        password: IMAP_PASSWORD,
        host: IMAP_HOST,
        port: IMAP_PORT,
        tls: IMAP_TLS
    };

    return deleteEmail(config, uid, uidvalidity);
};