Tips for avoiding the Basic Authentication popup

I am working on a Java application using JSF that requires JavaScript to connect to a website with Basic authentication. My goal is to replicate the experience of manually entering a username and password in the popup form.

Despite trying various methods found online, none have been successful so far. Interestingly, while the Ajax calls do return a response, I still encounter the Windows security popup. Is there a need to cache the credentials somehow?

For instance, neither of the code snippets below have produced the desired outcome. The first one uses base64 encoding:

$.ajax(
                {
                  'password' : password,
                  'username' : username,
                  'url'      : url,
                  'type'     : 'GET',
                  'success'  : function(){ alert("success");  },
                  'error'    : function(err){ alert('Bad Login Details' + err);},
                }
              );

$.ajax({
            url : url,
            method : 'GET',
            beforeSend : function(req) {
                req.setRequestHeader('Authorization', auth);
            },
            error : function(xhr, ajaxOptions, thrownError) {

                alert('Invalid username or password. Please try again. thrownError:' + thrownError + 'xhr:' + xhr + 'ajaxOptions:'+ajaxOptions);

            },
            success: function(result) {
                alert('done');
            }
        });

Answer №2

If you're able to modify the server-side code, you have the option to create a custom Authenticate header in order to prevent the standard Basic Challenge from appearing in the browser. For instance, if your header reads:

WWW-Authenticate: Basic realm="realm here"

The browser will trigger the challenge prompt. However, by using a different header like:

WWW-Authenticate: my-basic realm="insert realm"

The browser will refrain from displaying a 401 challenge.

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