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May be some of you know the problem with xml http calls, vbscript and secured websites with certificate problems. Better known as error 80072F0D in msxml3.dll: “The certificate authority is invalid or incorrect”.
When opening such a page in Internet Explorer you will see that the browser wants to prevent you from opening that page. But you can go on by selecting “Continue to the website…”. In vbscript this is also possible. Here you’ll need to add an option to your xml http request like this:
Set objXmlHttp = CreateObject("Msxml2.ServerXMLHTTP")
objXmlHttp.setOption 2, 13056
objXmlHttp.open "GET", "https://urlwithcertificateerror", False
objXmlHttp.send
wscript.echo objXmlHttp.responseText
Set objXmlHttp = Nothing
The second line tells the xmlhttp object to ignore any certificate errors and to continue downloading the page. There are some more options you can set using the setoption function, e.g. overriding the codepage or change the handling of % characters.
Please note that the value of 13056 means that ALL errors regarding certificates are ignored. There are some more values you can set to get more control on what will be ignored and what won’t, e.g.:
SXH_SERVER_CERT_IGNORE_UNKNOWN_CA = 256
Unknown certificate authority
SXH_SERVER_CERT_IGNORE_WRONG_USAGE = 512
Malformed certificate such as a certificate with no subject name.
SXH_SERVER_CERT_IGNORE_CERT_CN_INVALID = 4096
Mismatch between the visited hostname and the certificate name being used on the server.
SXH_SERVER_CERT_IGNORE_CERT_DATE_INVALID = 8192
The date in the certificate is invalid or has expired.
SXH_SERVER_CERT_IGNORE_ALL_SERVER_ERRORS = 13056
All certificate errors.
More information about setting and getting options, about these values and options not mentioned here can be found at http://msdn.microsoft.com/en-us/library/ms753798(v=vs.85).aspx
