(PowerShell) Upload to Tumbleweed SecureTransport FTPS Server

Demonstrates how to connect, authenticate, and upload file to a Tumbleweed Secure Transport SSL FTP Server. Instead of providing a login name and password, you pass the string "site-auth" for the username, and an empty string for the password. You must also provide a client-side digital certificate -- as the certificate's credentials and validity are used to authenticate.

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Add-Type -Path "C:\chilkat\ChilkatDotNet47-9.5.0-x64\ChilkatDotNet47.dll"

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

$ftp = New-Object Chilkat.Ftp2

# This code has been tested with the Tumbleweed server
# at sft.wellsfargo.com
$ftp.Hostname = "sft.wellsfargo.com"

# Use these exact strings for the username and password:
$ftp.Username = "site-auth"
$ftp.Password = ""

# Establish an AUTH SSL secure channel after connecting.
# Your client-side certificate is used for authentication when
# the SSL channel is established.
$ftp.AuthSsl = $true

# The Ssl property is for establishing an implicit SSL connection
# on port 990.  Do not set it.
$ftp.Ssl = $false

# Load a certificate from a .pfx
# A PFX may contain several certs, including the certificates
# in a chain of authority.
$certStore = New-Object Chilkat.CertStore
$password = "***"
# Load the certs from a PFX into an in-memory certificate store:
$success = $certStore.LoadPfxFile("my.pfx",$password)
if ($success -ne $true) {
    $($certStore.LastErrorText)
    exit
}

# Find the exact cert we'll use:
$cert = $certStore.FindCertBySubject("My Certificate 123 ABC")
if ($certStore.LastMethodSuccess -eq $false) {
    $("Certificate not found!")
    exit
}

# Tell the Chilkat FTP2 component to use the client-side
# cert for the SSL connection:
$success = $ftp.SetSslClientCert($cert)

# Connect and authenticate with the FTP server.
$success = $ftp.Connect()
if ($success -ne $true) {
    $($ftp.LastErrorText)
    exit
}
else {
    # LastErrorText contains information even when
    # successful. This allows you to visually verify
    # that the secure connection actually occurred.
    $($ftp.LastErrorText)
}

$("Secure FTP Channel Established!")

# Change to the remote directory where the file will be
# uploaded.  If your file is to be uploaded to the FTP user 
# account's home directory, this is not necessary.
$success = $ftp.ChangeRemoteDir("someSubDir")
if ($success -ne $true) {
    $($ftp.LastErrorText)
    exit
}

# You may include an absolute or relative path with the 
# local filename.  If no path is included, the file should 
# be present in the current working directory of the calling
# process.
$localFilename = "someFile.dat"
$remoteFilename = "someFile.dat"

# Upload the file.
$success = $ftp.PutFile($localFilename,$remoteFilename)
if ($success -ne $true) {
    $($ftp.LastErrorText)
    exit
}

$success = $ftp.Disconnect()