AutoIt

HTTP - Verify Server is a Trusted Root CA

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Demonstrates how to only allow connections to an HTTP server having a certificate with a root that is in our list of trusted CA root certificates. AutoIt

Local $bSuccess = False

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

$bSuccess = False

;   On my particular system, the root CA cert for this URL is not pre-installed.
;   Note: This may be different for you.
;   Also, this example was written on 29-May-2015.  This URL was valid at the time,
;   but may not be valid at a future date.
Local $sUrl = "https://animals.nationalgeographic.com/animals/invertebrates/starfish/"

$oHttp = ObjCreate("Chilkat.Http")

;   Require that the SSL/TLS server certificate is not expired,
;   and that the certificate signature is valid.
;   This does not ensure that it has a chain of authentication to
;   a trusted root.  To ensure that, the TrustedRoots object (below) is required.
$oHttp.RequireSslCertVerify = True

;   Do the HTTPS page fetch (through the SSH tunnel)
Local $sHtml = $oHttp.QuickGetStr($sUrl)
If ($oHttp.LastMethodSuccess <> True) Then
    ConsoleWrite($oHttp.LastErrorText & @CRLF)
    Exit
EndIf

ConsoleWrite("The HTTP GET was successful." & @CRLF)

;   Now let's require that HTTP requests to SSL/TLS servers that don't have trusted CA roots
;   should fail.
$oTrustedRoots = ObjCreate("Chilkat.TrustedRoots")

;   Indicate that we will trust any pre-installed certificates on this system.
;   (The meaning of pre-installed certificates depends on the operating system, and in
;   some environments there is no such thing as pre-installed certificates.  See the reference
;   documentation for the TrustedRoots class.)
$oTrustedRoots.TrustSystemCaRoots = True

;   Activate the trusted roots globally for all Chilkat objects.
;   This call really shouldn't fail, so we're not checking the return value.
$bSuccess = $oTrustedRoots.Activate()

;   Given that our previous HTTP GET likely kept the connection open,
;   make sure that all HTTP connections are closed before re-trying.
;   Otherwise, we'll simply be re-using the pre-existing connection.
$bSuccess = $oHttp.CloseAllConnections()

;   Now let's try fetching the URL again.  It should fail this time because
;   there is a requirement that the SSL/TLS server certificate must have a trusted root,
;   and the trusted root for this URL is not installed on my system (but may be different for you..)
$sHtml = $oHttp.QuickGetStr($sUrl)
If ($oHttp.LastMethodSuccess <> True) Then
    ConsoleWrite($oHttp.LastErrorText & @CRLF)
    ConsoleWrite("Good, the HTTP request failed as expected." & @CRLF)
Else
    ConsoleWrite($oHttp.LastErrorText & @CRLF)
    ConsoleWrite("Hmmm... we did not fail as expected?" & @CRLF)
EndIf