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(Xojo Plugin) SCP Upload Contents of String to Remote File

Demonstrates how to upload the contents of a string variable using the SCP protocol (Secure Copy Protocol over SSH). The text is uploaded to a file in specific remote directory. If the file did not already exist, it is created. If it already existed, it is overwritten.

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Xojo Plugin for Windows, Linux, Mac OS X, and ARM

//  Important: It is helpful to send the contents of the
//  LastErrorText property when requesting support.

Dim ssh As New Chilkat.Ssh

//  Any string automatically begins a fully-functional 30-day trial.
Dim success As Boolean
success = ssh.UnlockComponent("30-day trial")
If (success <> True) Then
    System.DebugLog(ssh.LastErrorText)
    Return
End If

//  Connect to an SSH server:
Dim hostname As String
Dim port As Int32

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

success = ssh.Connect(hostname,port)
If (success <> True) Then
    System.DebugLog(ssh.LastErrorText)
    Return
End If

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

//  Authenticate using login/password:
success = ssh.AuthenticatePw("myLogin","myPassword")
If (success <> True) Then
    System.DebugLog(ssh.LastErrorText)
    Return
End If

//  Once the SSH object is connected and authenticated, we use it
//  as the underlying transport in our SCP object.
Dim scp As New Chilkat.Scp

//  There is no UnlockComponent method for the SCP object because it uses the SSH object
//  (which must've been unlocked to establish the connection).
success = scp.UseSsh(ssh)
If (success <> True) Then
    System.DebugLog(scp.LastErrorText)
    Return
End If

Dim content As String
content = "This string will be the contents of the remote file."
Dim remotePath As String
remotePath = "uploads/text/testUtf8.txt"

//  The utf-8 byte representation of the string will be uploaded.
//  See https://www.chilkatsoft.com/p/p_463.asp for a list of valid charsets.
Dim charset As String
charset = "utf-8"

//  This uploads to the "uploads/text" directory relative to the HOME
//  directory of the SSH user account.
//  Note: The remote target directory must already exist on the SSH server.
success = scp.UploadString(remotePath,content,charset)
If (success <> True) Then
    System.DebugLog(scp.LastErrorText)
    Return
End If

remotePath = "uploads/text/testUtf8_withBOM.txt"

//  To include the utf-8 preamble (also known as the BOM),
//  prefix the charset name with "bom:".  Any charset that can
//  optionally include a BOM can be specified in this way.
charset = "bom:utf-8"

//  Uploads to a remote file that contains text in the
//  utf-8 representation, including the BOM at the start of the file.
success = scp.UploadString(remotePath,content,charset)
If (success <> True) Then
    System.DebugLog(scp.LastErrorText)
    Return
End If

System.DebugLog("SCP upload string success.")

//  Disconnect
ssh.Disconnect 

 

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