(Visual Basic 6.0) REST through SSH Tunnel

Demonstrates how to connect through an SSH Tunnel (via port-forwarding) to make REST API calls.

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

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

Dim tunnel As New ChilkatSocket

Dim sshHostname As String
sshHostname = "sftp.example.com"
Dim sshPort As Long
sshPort = 22

' Connect to an SSH server and establish the SSH tunnel:
Dim success As Long
success = tunnel.SshOpenTunnel(sshHostname,sshPort)
If (success <> 1) Then
    Debug.Print tunnel.LastErrorText
    Exit Sub
End If

' Authenticate with the SSH server via a login/password
' or with a public key.
' This example demonstrates SSH password authentication.
success = tunnel.SshAuthenticatePw("mySshLogin","mySshPassword")
If (success <> 1) Then
    Debug.Print tunnel.LastErrorText
    Exit Sub
End If

'  OK, the SSH tunnel is setup.  Now open a channel within the tunnel.
'  (Any number of channels may be created from the same SSH tunnel.
'  Multiple channels may coexist at the same time.)

' This example connects to a REST server through the SSH tunnel.
' It will connect to the Amazon AWS service for this example.
Dim rest As New ChilkatRest
Dim channel As ChilkatSocket

Dim bTls As Long
bTls = 1
Dim port As Long
port = 443
Dim maxWaitMs As Long
maxWaitMs = 5000

' This returns a socket object that is a single channel within the SSH tunnel.
Set channel = tunnel.SshOpenChannel("s3.amazonaws.com",port,bTls,maxWaitMs)
If (tunnel.LastMethodSuccess <> 1) Then
    Debug.Print tunnel.LastErrorText
    Exit Sub
End If

' Use the connection.  (This connection is a TLS running on an SSH channel through an SSH tunnel.
' In other words, TLS is wrapped within the SSH tunnel.)
success = rest.UseConnection(channel,1)
If (success <> 1) Then
    Debug.Print rest.LastErrorText

    Exit Sub
End If

' Provide AWS credentials for the REST call.
Dim authAws As New ChilkatAuthAws
authAws.AccessKey = "AWS_ACCESS_KEY"
authAws.SecretKey = "AWS_SECRET_KEY"
authAws.ServiceName = "s3"
success = rest.SetAuthAws(authAws)

' List all buckets for the account...
Dim responseXml As String
responseXml = rest.FullRequestNoBody("GET","/")
If (rest.LastMethodSuccess <> 1) Then
    Debug.Print rest.LastErrorText

    Exit Sub
End If

Dim xml As New ChilkatXml
success = xml.LoadXml(responseXml)

' Show the full XML returned.
Debug.Print xml.GetXml()

' Iterate over the buckets, showing each bucket name.
success = xml.FindChild2("Buckets")
If (xml.FirstChild2() = 1) Then
    Debug.Print xml.GetChildContent("Name")
    Do While (xml.NextSibling2() = 1)
        Debug.Print xml.GetChildContent("Name")
    Loop
End If

' Move the internal pointer back to the root node.
xml.GetRoot2