Xbase++

SCP Download/Upload Binary Files as Encoded Strings

See more SCP Examples

Demonstrates how to upload and download binary files as encoded strings (base64, hex, etc.) using the SCP protocol (Secure Copy Protocol over SSH). Xbase++

LOCAL nSuccess
LOCAL oSsh
LOCAL cHostname
LOCAL nPort
LOCAL oScp
LOCAL cRemotePath
LOCAL cEncodedJpg

nSuccess := 0

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

oSsh := CreateObject("Chilkat.Ssh")

//  Hostname may be an IP address or hostname:
cHostname := "www.some-ssh-server.com"
nPort := 22

//  Connect to an SSH server:
nSuccess := oSsh:Connect(cHostname, nPort)
IF (nSuccess != 1)
    ? oSsh:LastErrorText
    oSsh:destroy()
    RETURN
ENDIF

//  Wait a max of 5 seconds when reading responses..
oSsh:IdleTimeoutMs := 5000

//  Authenticate using login/password:
nSuccess := oSsh:AuthenticatePw("myLogin", "myPassword")
IF (nSuccess != 1)
    ? oSsh:LastErrorText
    oSsh:destroy()
    RETURN
ENDIF

//  Once the SSH object is connected and authenticated, we use it
//  in our SCP object.
oScp := CreateObject("Chilkat.Scp")

nSuccess := oScp:UseSsh(oSsh)
IF (nSuccess != 1)
    ? oScp:LastErrorText
    oSsh:destroy()
    oScp:destroy()
    RETURN
ENDIF

cRemotePath := "images/starfish.jpg"

//  Download the binary file and return as a base64 string.
//  See <a href="http://www.cknotes.com/chilkat-binary-encoding-list/">List of Encodings</a> for a list of possible encodings.
cEncodedJpg := oScp:DownloadBinaryEncoded(cRemotePath, "base64")
IF (oScp:LastMethodSuccess != 1)
    ? oScp:LastErrorText
    oSsh:destroy()
    oScp:destroy()
    RETURN
ENDIF

cRemotePath := "images/starfish2.jpg"

//  Now upload from the base64 string to the SSH server.
//  Insided the call to UploadBinaryEncoded, the base64 string is decoded,
//  and the decoded bytes are uploaded.  The resulting starfish2.jpg on the
//  server will be identical to the original starfish.jpg
nSuccess := oScp:UploadBinaryEncoded(cRemotePath, cEncodedJpg, "base64")
IF (nSuccess != 1)
    ? oScp:LastErrorText
    oSsh:destroy()
    oScp:destroy()
    RETURN
ENDIF

? "SCP download/upload binary encoded success."

//  Disconnect
oSsh:Disconnect()

oSsh:destroy()
oScp:destroy()