Chilkat HOME .NET Core C# Android™ AutoIt C C# C++ Chilkat2-Python CkPython Classic ASP DataFlex Delphi ActiveX Delphi DLL Go Java Lianja Mono C# Node.js Objective-C PHP ActiveX PHP Extension Perl PowerBuilder PowerShell PureBasic Ruby SQL Server Swift 2 Swift 3,4,5... Tcl Unicode C Unicode C++ VB.NET VBScript Visual Basic 6.0 Visual FoxPro Xojo Plugin
(Visual FoxPro) HTTP - Verify Server is a Trusted Root CADemonstrates 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.
LOCAL loChilkatGlob LOCAL lnSuccess LOCAL lcUrl LOCAL loHttp LOCAL lcHtml LOCAL loTrustedRoots * Starting in v9.5.0.49, all Chilkat classes can be unlocked at once at the beginning of a program * by calling UnlockBundle. It requires a Bundle unlock code. * For versions of Chilkat < 10.0.0, use CreateObject('Chilkat_9_5_0.Global') loChilkatGlob = CreateObject('Chilkat.Global') lnSuccess = loChilkatGlob.UnlockBundle("Anything for 30-day trial.") IF (lnSuccess <> 1) THEN ? loChilkatGlob.LastErrorText RELEASE loChilkatGlob CANCEL ENDIF * 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. lcUrl = "https://animals.nationalgeographic.com/animals/invertebrates/starfish/" * For versions of Chilkat < 10.0.0, use CreateObject('Chilkat_9_5_0.Http') loHttp = CreateObject('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. loHttp.RequireSslCertVerify = 1 * Do the HTTPS page fetch (through the SSH tunnel) lcHtml = loHttp.QuickGetStr(lcUrl) IF (loHttp.LastMethodSuccess <> 1) THEN ? loHttp.LastErrorText RELEASE loChilkatGlob RELEASE loHttp CANCEL ENDIF ? "The HTTP GET was successful." * Now let's require that HTTP requests to SSL/TLS servers that don't have trusted CA roots * should fail. * For versions of Chilkat < 10.0.0, use CreateObject('Chilkat_9_5_0.TrustedRoots') loTrustedRoots = CreateObject('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.) loTrustedRoots.TrustSystemCaRoots = 1 * Activate the trusted roots globally for all Chilkat objects. * This call really shouldn't fail, so we're not checking the return value. lnSuccess = loTrustedRoots.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. lnSuccess = loHttp.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..) lcHtml = loHttp.QuickGetStr(lcUrl) IF (loHttp.LastMethodSuccess <> 1) THEN ? loHttp.LastErrorText ? "Good, the HTTP request failed as expected." ELSE ? loHttp.LastErrorText ? "Hmmm... we did not fail as expected?" ENDIF RELEASE loChilkatGlob RELEASE loHttp RELEASE loTrustedRoots |
© 2000-2024 Chilkat Software, Inc. All Rights Reserved.