PHP Extension

Co:Z SFTP Binary File Download (from z/OS IBM Mainframe)

See more SFTP Examples

Demonstrates how to download a binary file, such as a .zip, from a Co:Z SFTP server on a z/OS IBM Mainframe. PHP Extension

<?php

include("chilkat.php");

$success = false;

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

$sftp = new CkSFtp();

// Connect to the SSH server.  
$hostname = 'sftp.example.com';
$port = 22;
$success = $sftp->Connect($hostname,$port);
if ($success == false) {
    print $sftp->lastErrorText() . "\n";
    exit;
}

$success = $sftp->AuthenticatePw('myLogin','myPassword');
if ($success == false) {
    print $sftp->lastErrorText() . "\n";
    exit;
}

$success = $sftp->InitializeSftp();
if ($success == false) {
    print $sftp->lastErrorText() . "\n";
    exit;
}

// To download a binary file from the Co:Z SFTP server, 
// we must switch to binary mode in the following unconventional way.
// We pretend to fetch a directory listing for "/+mode=binary"
// This has the effect of putting the server in binary mode for transfers.
$handle = $sftp->openDir('/+mode=binary');
if ($sftp->get_LastMethodSuccess() == false) {
    print $sftp->lastErrorText() . "\n";
    exit;
}

// Download the "directory listing" (but it's not actually a directory listing, and we'll just discard it.)

$dirListing = new CkSFtpDir();
$success = $sftp->ReadDirListing($handle,$dirListing);
if ($success == false) {
    print $sftp->lastErrorText() . "\n";
    exit;
}

// Close the directory handle:
$success = $sftp->CloseHandle($handle);
if ($success == false) {
    print $sftp->lastErrorText() . "\n";
    exit;
}

// Download the binary file:
$localFilePath = 'c:/temp/test.zip';
$remoteFilePath = 'test.zip';
$success = $sftp->DownloadFileByName($remoteFilePath,$localFilePath);
if ($success == false) {
    print $sftp->lastErrorText() . "\n";
    exit;
}

print 'Success.' . "\n";

?>