DataFlex

Load a CSR and Get the SANs (Subject Alternative Names)

See more CSR Examples

Demonstrates how to load a Certificate Signing Request (CSR) and get the Subject Alternative Names (if any).

Note: This example requires Chilkat v9.5.0.91 or greater.

DataFlex

Use ChilkatAx-win32.pkg

Procedure Test
    Boolean iSuccess
    Handle hoCsr
    Handle hoFac
    String sCsrPem
    Variant vSt
    Handle hoSt
    Integer i
    Integer iNumSans
    String sTemp1

    Move False To iSuccess

    // Note: Requires Chilkat v9.5.0.91 or greater.

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

    Get Create (RefClass(cComChilkatCsr)) To hoCsr
    If (Not(IsComObjectCreated(hoCsr))) Begin
        Send CreateComObject of hoCsr
    End

    // Load a CSR PEM file.  The file should contain content that looks like this:
    // 
    // -----BEGIN CERTIFICATE REQUEST-----
    // MIIDnzCCAocCAQAwgZ4xFDASBgNVBAMMC2V4YW1wbGUuY29tMRQwEgYDVQQHDAtM
    // b3MgQW5nZWxlczETMBEGA1UECAwKQ2FsaWZvcm5pYTEUMBIGA1UECgwLRXhhbXBs
    // ZSBJbmMxFDASBgNVBAsMC1NTTCBTdXBwb3J0MSIwIAYJKoZIhvcNAQkBFhNleGFt
    // cGxlQGV4YW1wbGUuY29tMQswCQYDVQQGEwJVUzCCASIwDQYJKoZIhvcNAQEBBQAD
    // ggEPADCCAQoCggEBALhIT/q7y1xwpYaR0Coplktwn7RGaJpEBCgbJWxOVPTGL540
    // erlhc6MrSEr6fo/HNtAbn6MNWm5F0MwjEU7H1Jxc7DYav+ps3hyhGaK9jalE99Sm
    // yFOzKMLDPyWTPpxfT4QBO4rpWxMT2lgixDkZlaNqmC6pUGXArfH+H1F3C0gtH4ZU
    // XN/Ipyk6r6ozWnJvIefdMe1JmeMD3RSoVcXd9bNWSpiD4uJnV+2pewkkNzhcGzBH
    // MGi4ZjIbpPiYLlri/79fPb6u7wYkYLzCWRKzq6EaJkqY6OQgE33SC1GQKjC/fFRx
    // wogub1s9cRjfL6vdqWbTJ5xhOkPeBO3UzHBHIksCAwEAAaCBujCBtwYJKoZIhvcN
    // AQkOMYGpMIGmMAkGA1UdEwQCMAAwCwYDVR0PBAQDAgWgMB0GA1UdJQQWMBQGCCsG
    // AQUFBwMBBggrBgEFBQcDAjBtBgNVHREEZjBkggtleGFtcGxlLmNvbYIPd3d3LmV4
    // YW1wbGUuY29tgg9mdHAuZXhhbXBsZS5jb22CD3N2bi5leGFtcGxlLmNvbYIQc210
    // cC5leGFtcGxlLmNvbYIQaW1hcC5leGFtcGxlLmNvbTANBgkqhkiG9w0BAQsFAAOC
    // AQEAsIEDMlZViEVtuQWpfa6vUl5RfqQrop+hh9l4UmEOnERLEzyVO+9Kn7jNxyOR
    // Gg7O9H4BYTfet6YwfpawbnQ1HBexduRZaUnET8RiYgKch0vWr/HbP7jvc23XUz2P
    // NOAiet/tyTU6U5xJn0H4q1VFIbHjntpBSL+n+aiv8glIUepG8BwTu+vBe2/kVzKG
    // ro2tudhbpEJYOwurlHCoubhCah9ryIkDeYEnycsrB6VnaxeGK0/5S2JBQo22/F9s
    // T+q0Gee936ISvypLwNoIX+YFAjw2KnqucUM3RKHAAheJin5WNIQXdHHKGsImapun
    // VqmPwLN6Kgm+kFVS0H5eyULSnA==
    // -----END CERTIFICATE REQUEST-----

    Get Create (RefClass(cComCkFileAccess)) To hoFac
    If (Not(IsComObjectCreated(hoFac))) Begin
        Send CreateComObject of hoFac
    End
    Get ComReadEntireTextFile Of hoFac "qa_data/csr/myCsr.pem" "utf-8" To sCsrPem

    Get ComLoadCsrPem Of hoCsr sCsrPem To iSuccess
    If (iSuccess <> True) Begin
        Get ComLastErrorText Of hoCsr To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // Get the SANs
    Get Create (RefClass(cComChilkatStringTable)) To hoSt
    If (Not(IsComObjectCreated(hoSt))) Begin
        Send CreateComObject of hoSt
    End

    Get pvComObject of hoSt to vSt
    Get ComGetSans Of hoCsr vSt To iSuccess
    If (iSuccess <> True) Begin
        Get ComLastErrorText Of hoCsr To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    Move 0 To i
    Get ComCount Of hoSt To iNumSans
    While (i < iNumSans)
        Get ComStringAt Of hoSt i To sTemp1
        Showln sTemp1
        Move (i + 1) To i
    Loop



End_Procedure