How can I pass windows authentication to webservice using jQuery?

Question

I'm using jQuery to call a .Net web service like this:

var service_url = "https://example.com/myservice.asmx" $.ajax({     type: "GET",     url: service_url,     dataType: "xml",     data: "ParamId=" + FormId.value,     processData: false,     error: function(XMLHttpRequest, textStatus, errorThrown) { ajaxError(XMLHttpRequest, textStatus, errorThrown); },     success: function(xml) { DoSomething(xml); } }); 

Now I want to wrap "https://example.com/myservice.asmx" in Windows Authentication. How can I pass credentials to the service using jQuery/javascript?

Ideally I'd like to use the current user's credentials but if needed I can use 1 master credential for all service calls.

Answer 1

I think nowadays you can just set the withCredentials property of the request object to true, e.g.:

$.ajax({     type: "GET",     url: service_url,     dataType: "xml",     data: "ParamId=" + FormId.value,     processData: false,     xhrFields: {         withCredentials: true     },     error: function(XMLHttpRequest, textStatus, errorThrown) { ajaxError(XMLHttpRequest, textStatus, errorThrown); },     success: function(xml) { DoSomething(xml); } }); 

That causes existing authentication headers/cookies to be passed along in the AJAX request, works for me. No need to do your own Base encoding, etc.