Get SSL Server Certificate

Demonstrates how to retrieve the SSL server certificate for a site. This method establishes an SSL/TLS connection with a web server for the purpose of retrieving the SSL certificate, which may then be examined via the Chilkat certificate API.

 Chilkat Perl Module Downloads for Windows, Linux, and MAC OS X

use chilkat();

$http = new chilkat::CkHttp();

#  Any string unlocks the component for the 1st 30-days.
$success = $http->UnlockComponent("Anything for 30-day trial");
if ($success != 1) {
    print $http->lastErrorText() . "\n";
    exit;
}

#  Notice:  The GetServerSslCert method is available in any
#  release dated after 7-April-2009

#  Get the SSL cert for paypal.com

# cert is a CkCert
$cert = $http->GetServerSslCert("paypal.com",443);
if ($cert eq null ) {
    print $http->lastErrorText() . "\n";
}
else {
    print $cert->subjectDN() . "\n";

}