(PureBasic) Load a CSR and Examine the Contents

Demonstrates how to load a Certificate Signing Request (CSR) and examine the contents.

Note: This example requires Chilkat v9.5.0.65 or greater.

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IncludeFile "CkCsr.pb"
IncludeFile "CkFileAccess.pb"

Procedure ChilkatExample()

    ; Note: Requires Chilkat v9.5.0.65 or greater.

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

    csr.i = CkCsr::ckCreate()
    If csr.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    ; Load a CSR PEM file.  The file should contain content that looks like this:
    ; 
    ; 	-----BEGIN CERTIFICATE REQUEST-----
    ; 	MIIC6jCCAdICAQAwgaQxITAfBgNVBAMMGG15c3ViZG9tYWluLm15ZG9tYWluLmNv
    ; 	bTELMAkGA1UEBhMCR0IxDjAMBgNVBAgMBVlvcmtzMQ0wCwYDVQQHDARZb3JrMSEw
    ; 	HwYDVQQKDBhJbnRlcm5ldCBXaWRnaXRzIFB0eSBMdGQxCzAJBgNVBAsMAklUMSMw
    ; 	IQYJKoZIhvcNAQkBFhRzdXBwb3J0QG15ZG9tYWluLmNvbTCCASIwDQYJKoZIhvcN
    ; 	AQEBBQADggEPADCCAQoCggEBALnQ0un/wF8whk+gPuiAlf3qvx14jgAOV6Erm6EB
    ; 	H7WACPCpnKcm/8KP+7uoPiwRQaENhMeCgf45vcivl2p6aAn/spLXyEkXyw2d8wFb
    ; 	YYAGRkiz4Xf7ASJiKuwcOtORz+sSDzgtdfokHfXU1cYeFE2yQhSdLUY5fMn425+g
    ; 	KoEEsRSjSDe6AKru4+4iGNrLKd8pB9IA5/jOE139IkWlB9r5fEPD5bUTsgqXk9eb
    ; 	68O0gc712V2eZK07N24lDmFC4bIMTD4csDWocR5hFHXj7NX7c8sOBDcpEb9mPIk4
    ; 	elxubnhkfnjhOi4J3lDHcT/0ALnbLhf9LnaiKqs+5VcVZvECAwEAAaAAMA0GCSqG
    ; 	SIb3DQEBBQUAA4IBAQC0AETLIcP3foh5nbu2hVFS8uCUNZ5hEIR1eXmYZmZoBQq2
    ; 	26ZAoT4CZwixlggC+n7WvAXJ5Pzxpl4wLV4loTiQzaKPX1w0ERo5ZRwLy0n56oG2
    ; 	6QG+WTViT1C8rlgtVwkCFNOXr0kSSRs8FdaPllqKxK1hxYSL7zwNpumsk39F2cDt
    ; 	vhcekvH0V3BuGrQFm3dKN/0azW6GOod9+Vq4VzSyOe3kp15oxLBsZOFOu/REujcw
    ; 	Tzu2jt1asQKUm60CZ9wNHpYepR0Ww40uP1slbehEaFDa6V8b60/tlHHmBbJ4/fy5
    ; 	hJnYCvjzFz4O9VtT+JtP9ldRHWV3KpZ8ne3AjD+F
    ; 	-----END CERTIFICATE REQUEST-----

    fac.i = CkFileAccess::ckCreate()
    If fac.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    csrPem.s = CkFileAccess::ckReadEntireTextFile(fac,"qa_data/csr/csr1.pem","utf-8")

    success.i = CkCsr::ckLoadCsrPem(csr,csrPem)
    If success <> 1
        Debug CkCsr::ckLastErrorText(csr)
        CkCsr::ckDispose(csr)
        CkFileAccess::ckDispose(fac)
        ProcedureReturn
    EndIf

    ; Examine the contents.
    ; If the CSR does not contain a field, the property will
    ; contain an empty string.

    Debug "Common Name: " + CkCsr::ckCommonName(csr)

    ; Country Name (2 letter code)
    Debug "Country: " + CkCsr::ckCountry(csr)

    ; State or Province Name (full name)
    Debug "State: " + CkCsr::ckState(csr)

    ; Locality Name (eg, city)
    Debug "Locality: " + CkCsr::ckLocality(csr)

    ; Organization Name (eg, company)
    Debug "Company: " + CkCsr::ckCompany(csr)

    ; Organizational Unit Name (eg, secion/division)
    Debug "Company Division: " + CkCsr::ckCompanyDivision(csr)

    Debug "Email Address: " + CkCsr::ckEmailAddress(csr)


    CkCsr::ckDispose(csr)
    CkFileAccess::ckDispose(fac)


    ProcedureReturn
EndProcedure