(DataFlex) HTTPS Windows Integrated Authentication

This example pertains to running on the Windows operating system only.

It provides guidance on how to send HTTP requests using the current logged-on Windows user credentials. This is where NTLM/Negotiate authentication is used, but the login/password credentials are not explicitly provided by the application, but are implicitly provided based on the Windows logged-on user (i.e. the Windows account for the running process).

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

Use ChilkatAx-9.5.0-win32.pkg

Procedure Test
    Handle hoHttp
    String sResponseStr
    String sTemp1
    Integer iTemp1
    Boolean bTemp1

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

    Get Create (RefClass(cComChilkatHttp)) To hoHttp
    If (Not(IsComObjectCreated(hoHttp))) Begin
        Send CreateComObject of hoHttp
    End

    // Chilkat implements the NTLM protocol directly, which is how it can be used on non-Windows systems.
    // However, Chilkat can also optionally use Microsoft's SSPI (see https://docs.microsoft.com/en-us/windows/desktop/secauthn/ssp-packages-provided-by-microsoft) 
    // to allow for Windows Integrated Authentication.

    // Setting the HTTP Login equal to the empty string, and the Password equal to the keyword "default"
    // will cause Chilkat to use the Microsoft SSPI w/ integrated authentication.
    Set ComLogin Of hoHttp To ""
    Set ComPassword Of hoHttp To "default"

    // We can also explicitly indicate that NTLM or Negotiate authentication is to be used:
    Set ComNegotiateAuth Of hoHttp To True

    // Set various properties unrelated to authentication..
    // Automatically follow redirects.
    Set ComFollowRedirects Of hoHttp To True
    // Give verbose logging in the LastErrorText (in case there are errors)
    Set ComVerboseLogging Of hoHttp To True
    // Optionally log the exact session to a file (for debugging)
    Set ComSessionLogFilename Of hoHttp To "c:/someDir/session.txt"
    // Perhaps you wish to be seen as a browser on Mac OS X..
    Set ComUserAgent Of hoHttp To "Mozilla/5.0 (Windows NT; Windows NT 6.1; en-GB) AppleWebKit/534.6 (KHTML, like Gecko) Chrome/7.0.500.0 Safari/534.6"

    // Note: If the result of authentication is to set Cookies that are used in subsequent requests,
    // then make sure Chilkat both saves and sends cookies: 
    Set ComSaveCookies Of hoHttp To True
    Set ComSendCookies Of hoHttp To True
    Set ComCookieDir Of hoHttp To "memory"

    // Send a GET request to a URL, using Windows Integrated Authentication...
    Get ComQuickGetStr Of hoHttp "https://somewhere.net/api/user" To sResponseStr
    Get ComLastMethodSuccess Of hoHttp To bTemp1
    If (bTemp1 <> True) Begin
        Get ComLastErrorText Of hoHttp To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    Get ComLastStatus Of hoHttp To iTemp1
    Showln "response status code = " iTemp1
    Showln "response header:"
    Get ComLastHeader Of hoHttp To sTemp1
    Showln sTemp1
    Showln "----"
    Showln sResponseStr


End_Procedure