(Tcl) FTP through HTTP Tunnel (FTP over HTTP Proxy)

Note: This example requires Chilkat v9.5.0.51 or greater.

FTP through an HTTP tunnel (via an HTTP proxy server that supports HTTP tunneling).

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load ./chilkat.dll

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

set ftp [new_CkFtp2]

CkFtp2_put_Hostname $ftp "ftp.example.com"
CkFtp2_put_Username $ftp "login"
CkFtp2_put_Password $ftp "password"

# Set the HTTP proxy server properties.
# This is to connect via HTTP/1.1 using CONNECT method
CkFtp2_put_HttpProxyHostname $ftp "192.168.1.127"
CkFtp2_put_HttpProxyPort $ftp 8080

# If the proxy server requires authentication...
CkFtp2_put_HttpProxyUsername $ftp "myProxyUsername"
CkFtp2_put_HttpProxyPassword $ftp "myProxyPassword"

# FTP over an HTTP proxy requires that FTP Passive mode be used
# for data transfers. It is not possible to use non-passive (active) mode
# for FTP over HTTP.
CkFtp2_put_Passive $ftp 1

# Connect and login to the FTP server.
set success [CkFtp2_Connect $ftp]
if {$success != 1} then {
    puts [CkFtp2_lastErrorText $ftp]
    delete_CkFtp2 $ftp
    exit
}

# Change to the remote directory where the file will be uploaded.
set success [CkFtp2_ChangeRemoteDir $ftp "junk"]
if {$success != 1} then {
    puts [CkFtp2_lastErrorText $ftp]
    delete_CkFtp2 $ftp
    exit
}

# Upload a file.
set localFilename "c:/temp/hamlet.xml"
set remoteFilename "hamlet.xml"

set success [CkFtp2_PutFile $ftp $localFilename $remoteFilename]
if {$success != 1} then {
    puts [CkFtp2_lastErrorText $ftp]
    delete_CkFtp2 $ftp
    exit
}

set success [CkFtp2_Disconnect $ftp]

puts "File Uploaded!"

delete_CkFtp2 $ftp