(DataFlex) 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).

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

Use ChilkatAx-9.5.0-win32.pkg

Procedure Test
    Handle hoFtp
    Boolean iSuccess
    String sLocalFilename
    String sRemoteFilename
    String sTemp1

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

    Get Create (RefClass(cComChilkatFtp2)) To hoFtp
    If (Not(IsComObjectCreated(hoFtp))) Begin
        Send CreateComObject of hoFtp
    End

    Set ComHostname Of hoFtp To "ftp.example.com"
    Set ComUsername Of hoFtp To "login"
    Set ComPassword Of hoFtp To "password"

    // Set the HTTP proxy server properties.
    // This is to connect via HTTP/1.1 using CONNECT method
    Set ComHttpProxyHostname Of hoFtp To "192.168.1.127"
    Set ComHttpProxyPort Of hoFtp To 8080

    // If the proxy server requires authentication...
    Set ComHttpProxyUsername Of hoFtp To "myProxyUsername"
    Set ComHttpProxyPassword Of hoFtp To "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.
    Set ComPassive Of hoFtp To True

    // Connect and login to the FTP server.
    Get ComConnect Of hoFtp To iSuccess
    If (iSuccess <> True) Begin
        Get ComLastErrorText Of hoFtp To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // Change to the remote directory where the file will be uploaded.
    Get ComChangeRemoteDir Of hoFtp "junk" To iSuccess
    If (iSuccess <> True) Begin
        Get ComLastErrorText Of hoFtp To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // Upload a file.
    Move "c:/temp/hamlet.xml" To sLocalFilename
    Move "hamlet.xml" To sRemoteFilename

    Get ComPutFile Of hoFtp sLocalFilename sRemoteFilename To iSuccess
    If (iSuccess <> True) Begin
        Get ComLastErrorText Of hoFtp To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    Get ComDisconnect Of hoFtp To iSuccess

    Showln "File Uploaded!"


End_Procedure