Patch for JBoss 6.1.0.Final (or rather its JBossWeb 3.0.0.CR2) to return a crippled WWW-Authenticate header for XMLHttpRequests

JBossCrippleForXHRs.patch

Index: org/apache/catalina/authenticator/BasicAuthenticator.java
<+>UTF-8
===================================================================
--- org/apache/catalina/authenticator/BasicAuthenticator.java	(revision )
+++ org/apache/catalina/authenticator/BasicAuthenticator.java	(revision )
@@ -191,6 +191,11 @@
             request.getResponse().getCoyoteResponse().getMimeHeaders()
             .addValue(AUTHENTICATE_BYTES, 0, AUTHENTICATE_BYTES.length);
         CharChunk authenticateCC = authenticate.getCharChunk();
+        MessageBytes xRequestedWith =
+                request.getCoyoteRequest().getMimeHeaders().getValue("x-requested-with");
+        if(xRequestedWith != null && xRequestedWith.equals("XMLHttpRequest")) {
+            authenticateCC.append('x');
+        }
         authenticateCC.append("Basic realm=\"");
         if (config.getRealmName() == null) {
             authenticateCC.append("Realm");