(Node.js) Add Email Attachment from FTP

Downloads (into memory) a file from an FTP server and adds it as an attachment to an email.

Note: This example requires Chilkat v9.5.0.63 or later.

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() {

    // Note: This example requires Chilkat v9.5.0.63 or later.

    // This example assumes Chilkat Ftp2 to have been previously unlocked.
    // See Unlock Ftp2 for sample code.

    var ftp = new chilkat.Ftp2();

    ftp.Hostname = "www.my-ftp-server.com";
    ftp.Username = "mFtpLogin";
    ftp.Password = "myFtpPassword";

    // Connect to the FTP server.
    var success = ftp.ConnectOnly();
    if (success !== true) {
        console.log(ftp.LastErrorText);
        return;
    }

    // Authenticate with the FTP server.
    success = ftp.LoginAfterConnectOnly();
    if (success !== true) {
        console.log(ftp.LastErrorText);
        return;
    }

    // Move to the remove directory where our file is located.
    success = ftp.ChangeRemoteDir("qa_data");
    if (success == true) {
        success = ftp.ChangeRemoteDir("pdf");
    }

    if (success !== true) {
        console.log(ftp.LastErrorText);
        return;
    }

    // Download...
    var pdfData = new chilkat.BinData();
    success = ftp.GetFileBd("fishing.pdf",pdfData);
    if (success !== true) {
        console.log(ftp.LastErrorText);
        return;
    }

    ftp.Disconnect();

    // Create an email object, and add the PDF as an attachment.
    var email = new chilkat.Email();
    email.Subject = "Test with PDF attachment.";
    email.Body = "This is a plain-text body..";

    // Add the PDF attachment.  (This method call requires Chilkat v9.5.0.63 or later)
    success = email.AddAttachmentBd("fishing.pdf",pdfData,"application/pdf");
    if (success !== true) {
        console.log(email.LastErrorText);
        return;
    }

    // Save the email and examine with a text editor to see the PDF attachment is present..
    email.SaveEml("qa_output/out.eml");

    console.log("Success.");

}

chilkatExample();