(DataFlex) Client Certificate in REST (USB Token or Smartcard)

See more REST Examples

Demonstrates how to use a client certificate with a REST connection where the certificate and private key are located on a USB token or smart card.

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

Use ChilkatAx-win32.pkg

Procedure Test
    Handle hoRest
    Variant vSocket
    Handle hoSocket
    Variant vCert
    Handle hoCert
    Boolean iSuccess
    Boolean iBTls
    Integer iPort
    Integer iMaxWaitMs
    Boolean iBAutoReconnect
    String sResponseJson
    String sTemp1
    Integer iTemp1
    Boolean bTemp1

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

    // This example shows how to use the Chilkat socket object's connection.
    Get Create (RefClass(cComChilkatRest)) To hoRest
    If (Not(IsComObjectCreated(hoRest))) Begin
        Send CreateComObject of hoRest
    End
    Get Create (RefClass(cComChilkatSocket)) To hoSocket
    If (Not(IsComObjectCreated(hoSocket))) Begin
        Send CreateComObject of hoSocket
    End

    // Set the certificate to be used for mutual TLS authentication
    Get Create (RefClass(cComChilkatCert)) To hoCert
    If (Not(IsComObjectCreated(hoCert))) Begin
        Send CreateComObject of hoCert
    End

    // If the smartcard or token requires a PIN...
    Set ComSmartCardPin Of hoCert To "000000"

    Get ComLoadFromSmartcard Of hoCert "" To iSuccess
    If (iSuccess <> True) Begin
        Get ComLastErrorText Of hoCert To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    Get pvComObject of hoCert to vCert
    Get ComSetSslClientCert Of hoSocket vCert To iSuccess
    If (iSuccess <> True) Begin
        Get ComLastErrorText Of hoSocket To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // Establish the connection using the socket object (with client certificate authentication).
    Move True To iBTls
    Move 443 To iPort
    Move 5000 To iMaxWaitMs
    Get ComConnect Of hoSocket "www.example.com" iPort iBTls iMaxWaitMs To iSuccess
    If (iSuccess <> True) Begin
        Get ComConnectFailReason Of hoSocket To iTemp1
        Showln "Connect Failure Error Code: " iTemp1
        Get ComLastErrorText Of hoSocket To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    Move True To iBAutoReconnect

    // Use the connection:
    Get pvComObject of hoSocket to vSocket
    Get ComUseConnection Of hoRest vSocket iBAutoReconnect To iSuccess
    If (iSuccess <> True) Begin
        Get ComLastErrorText Of hoRest To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // At this point we are connected and can make REST calls...
    // For example..
    Get ComFullRequestNoBody Of hoRest "GET" "/someQuery" To sResponseJson
    Get ComLastMethodSuccess Of hoRest To bTemp1
    If (bTemp1 <> True) Begin
        Get ComLastErrorText Of hoRest To sTemp1
        Showln sTemp1
        Procedure_Return
    End



End_Procedure