Tcl

AWS Transfer for SFTP (Amazon S3)

See more SFTP Examples

Once you've setup your AWS Transfer for SFTP in the AWS Console, interacting with it is no different than any other SSH/SFTP server. AWS will provide a private key in PEM format. It is used for authentication (instead of a password). Tcl

load ./chilkat.dll

set success 0

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

set sftp [new_CkSFtp]

# Connect to the AWS SFTP server.
# Change the domain to your value.
set domain "s-123456df999999fab.server.transfer.eu-west-2.amazonaws.com"
set port 22
set success [CkSFtp_Connect $sftp $domain $port]
if {$success == 0} then {
    puts [CkSFtp_lastErrorText $sftp]
    delete_CkSFtp $sftp
    exit
}

# Load your AWS SFTP private key PEM file..
set sshKey [new_CkSshKey]

set keyText [CkSshKey_loadText $sshKey "qa_data/pem/s3_sftp_privateKey.pem"]
if {[CkSshKey_get_LastMethodSuccess $sshKey] != 1} then {
    puts [CkSshKey_lastErrorText $sshKey]
    delete_CkSFtp $sftp
    delete_CkSshKey $sshKey
    exit
}

set success [CkSshKey_FromOpenSshPrivateKey $sshKey $keyText]
if {$success == 0} then {
    puts [CkSshKey_lastErrorText $sshKey]
    delete_CkSFtp $sftp
    delete_CkSshKey $sshKey
    exit
}

# Authenticate with the SSH server using the private key.
set success [CkSFtp_AuthenticatePk $sftp "myUsername" $sshKey]
if {$success == 0} then {
    puts [CkSFtp_lastErrorText $sftp]
    delete_CkSFtp $sftp
    delete_CkSshKey $sshKey
    exit
}

# After authenticating, the SFTP subsystem must be initialized:
set success [CkSFtp_InitializeSftp $sftp]
if {$success == 0} then {
    puts [CkSFtp_lastErrorText $sftp]
    delete_CkSFtp $sftp
    delete_CkSshKey $sshKey
    exit
}

# Upload from the local file to the SSH server.
# Important -- the remote filepath is the 1st argument,
# the local filepath is the 2nd argument;
set remoteFilePath "hamlet.xml"
set localFilePath "c:/temp/hamlet.xml"

set success [CkSFtp_UploadFileByName $sftp $remoteFilePath $localFilePath]
if {$success == 0} then {
    puts [CkSFtp_lastErrorText $sftp]
    delete_CkSFtp $sftp
    delete_CkSshKey $sshKey
    exit
}

puts "Success."

delete_CkSFtp $sftp
delete_CkSshKey $sshKey