(PowerBuilder) Get the Server Certificate, Certificate Chain, and Root CA Certificate

Demonstrates how to get the HTTP server certificate, its certificate chain, and the root CA certificate.

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

integer li_rc
oleobject loo_Http
oleobject loo_SslCert
oleobject loo_CertChain
integer i
integer li_NumCerts
oleobject loo_Cert
oleobject loo_CaCert

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

loo_Http = create oleobject
// Use "Chilkat_9_5_0.Http" for versions of Chilkat < 10.0.0
li_rc = loo_Http.ConnectToNewObject("Chilkat.Http")
if li_rc < 0 then
    destroy loo_Http
    MessageBox("Error","Connecting to COM object failed")
    return
end if

// We're getting the SSL/TLS certificate, so make sure to connect to the SSL/TLS port (443).
loo_SslCert = loo_Http.GetServerSslCert("nationalgeographic.com",443)
if loo_Http.LastMethodSuccess = 0 then
    Write-Debug loo_Http.LastErrorText
    destroy loo_Http
    return
end if

// Note: Prior to v9.5.0.50, this method would fail if the certificate chain could not 
// be completed to the root.  Starting in v9.5.0.50, the incomplete certificate chain 
// will be returned.  The certificate chain's ReachesRoot property can be examined to 
// see if the chain was completed to the root.
loo_CertChain = loo_SslCert.GetCertChain()
if loo_SslCert.LastMethodSuccess = 0 then
    Write-Debug loo_SslCert.LastErrorText
    destroy loo_SslCert
    destroy loo_Http
    return
end if

i = 0
li_NumCerts = loo_CertChain.NumCerts
do while i < li_NumCerts
    loo_Cert = loo_CertChain.GetCert(i)
    Write-Debug "SubjectDN " + string(i) + ": " + loo_Cert.SubjectDN
    Write-Debug "IssuerDN " + string(i) + ": " + loo_Cert.IssuerDN
    destroy loo_Cert
    i = i + 1
loop

// If the certificate chain reaches the root CA cert, then the last cert in the chain
// is the root CA cert.
if loo_CertChain.ReachesRoot = 1 then
    loo_CaCert = loo_CertChain.GetCert(li_NumCerts - 1)
    Write-Debug "CA Root Cert: " + loo_CaCert.SubjectDN
    destroy loo_CaCert
end if

destroy loo_SslCert
destroy loo_CertChain


destroy loo_Http