(Node.js) Send Signed and Encrypted EDI Email (EDIFACT)

Demonstrates how to send a signed and encrypted EDI email (EDIFACT email).

Install Chilkat for Node.js and Electron using npm at Chilkat npm packages for Node.js Chilkat npm packages for Electron on Windows, Linux, MacOSX, and ARM

var os = require('os');
if (os.platform() == 'win32') {  
    if (os.arch() == 'ia32') {
        var chilkat = require('@chilkat/ck-node21-win-ia32');
    } else {
        var chilkat = require('@chilkat/ck-node21-win64'); 
    }
} else if (os.platform() == 'linux') {
    if (os.arch() == 'arm') {
        var chilkat = require('@chilkat/ck-node21-arm');
    } else if (os.arch() == 'x86') {
        var chilkat = require('@chilkat/ck-node21-linux32');
    } else {
        var chilkat = require('@chilkat/ck-node21-linux64');
    }
} else if (os.platform() == 'darwin') {
    if (os.arch() == 'arm64') {
        var chilkat = require('@chilkat/ck-node21-mac-m1');
    } else {
        var chilkat = require('@chilkat/ck-node21-macosx');
    }
}

function chilkatExample() {

    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    //  The mailman object is used for sending and receiving email.
    var mailman = new chilkat.MailMan();

    //  Create a new email object
    // email: Email
    var email;

    //  Build the basic EDI email where the body is the EDIFACT message:
    var ediMsg = "UNB+IATB:1+6XPPC ...";
    var name = "something";
    var filename = "something";
    var charset = "iso-8859-1";
    email.SetEdifactBody(ediMsg,name,filename,charset);

    email.Subject = "This is the subject";
    email.From = "Chilkat Admin <admin@chilkatsoft.com>";
    var success = email.AddTo("Chilkat Support","support@chilkatsoft.com");

    //  Indicate that the email should be sent signed.
    email.SendSigned = true;

    //  Tell the mailman to use a PFX file as a source for locating
    //  the certificate and private key required for signing.
    //  The certificate chosen for signing will be the one that
    //  matches the sender's email address, which also has
    //  a private key.  All intermediate certs in the chain of
    //  authentication, up to and including the root, will
    //  be included in the signature.
    success = mailman.AddPfxSourceFile("/pfx_files/myCertAndPrivateKey.pfx","secret");
    if (success !== true) {
        console.log(mailman.LastErrorText);
        return;
    }

    //  Load the .cer file into a certificate object.
    //  When sending S/MIME encrypted email, it is the recipient's
    //  certificate that is used for encryption.  Only the public key
    //  is needed to encrypt.  The recipient is the only
    //  one possessing the private key, and therefore is the only
    //  one able to decrypt.
    // cert: Cert
    var cert;
    success = cert.LoadFromFile("/certs/recipientCert.cer");
    if (success !== true) {
        console.log(cert.LastErrorText);
        return;
    }

    //  Indicate that the email is to be sent encrypted.
    email.SendEncrypted = true;

    //  Indicate that we want 192-bit 3DES encryption:
    email.Pkcs7CryptAlg = "3des";
    email.Pkcs7KeyLength = 192;

    //  Specify the certificate to be used for encryption.
    success = email.SetEncryptCert(cert);

    //  Tell the mailman to use an opaque signature (as opposed to a detached signature)
    mailman.OpaqueSigning = true;

    //  SMTP server (use your settings and refer to the online
    //  reference  documentation for more options)
    mailman.SmtpHost = "smtp.mymailserver.com";
    mailman.SmtpUsername = "myLogin";
    mailman.SmtpPassword = "myPassword";
    mailman.SmtpPort = 587;
    mailman.StartTLS = true;

    //  Send the signed/encrypted EDI email
    success = mailman.SendEmail(email);
    if (success !== true) {
        console.log(mailman.LastErrorText);
    }
    else {
        console.log("Mail Sent!");
    }


}

chilkatExample();