(JavaScript) FTP Upload / Download to a BinData Object

Demonstrates how to FTP upload the contents of a BinData object, and FTP downloads to the a BinData object.

Note

This example is intended for running within a Chilkat.Js embedded JavaScript engine. All Chilkat JavaScript examples require Chilkat v11.4.0 or greater.

var success = false;

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

var ftp = new CkFtp2();

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

// Connect to the FTP server.
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;
}

var bdA = new CkBinData();
bdA.LoadFile("qa_data/jpg/penguins.jpg");

// Upload the contents of bdA to the FTP server.
var remoteFilename = "penguins.jpg";
success = ftp.PutFileBd(bdA,remoteFilename);
if (success !== true) {
    console.log(ftp.LastErrorText);
    return;
}

// Download...
var bdB = new CkBinData();
success = ftp.GetFileBd(remoteFilename,bdB);
if (success !== true) {
    console.log(ftp.LastErrorText);
    return;
}

// Verify that bdA and bdB have the exact same contents.
console.log("size of bdA: " + bdA.NumBytes);
if (bdA.ContentsEqual(bdB) == true) {
    console.log("Contents are equal. Success.");
}
else {
    console.log("Contents are NOT equal.  Failed.");
}

ftp.Disconnect();