Revert "AMBARI-12153. Ambari Web should automatically log the user in if valid HTTP authorization header is present (Single Sign On). (yusaku)"

This reverts commit 0d5cb02de893bf27f1ada92e21f15b06131c759f.

ambari-web/app/router.js

@@ -132,48 +132,27 @@ App.Router = Em.Router.extend({
     var dfd = $.Deferred();
     var self = this;
     var auth = App.db.getAuthenticated();
-    App.ajax.send({
-      name: 'router.login.clusters',
-      sender: this,
-      success: 'onAuthenticationSuccess',
-      error: 'onAuthenticationError'
-    }).complete(function (xhr) {
-      if (xhr.isResolved()) {
-        // if server knows the user and user authenticated by UI
-        if (auth && auth === true) {
+    var authResp = (auth && auth === true);
+    if (authResp) {
+      App.ajax.send({
+        name: 'router.login.clusters',
+        sender: this,
+        success: 'onAuthenticationSuccess',
+        error: 'onAuthenticationError'
+      }).complete(function () {
           dfd.resolve(self.get('loggedIn'));
-          // if server knows the user but UI don't, check the response header
-          // and try to authorize
-        } else if (xhr.getResponseHeader('User')) {
-          var user = xhr.getResponseHeader('User');
-          App.ajax.send({
-            name: 'router.login',
-            sender: self,
-            data: {
-              usr: user,
-              loginName: encodeURIComponent(user)
-            },
-            success: 'loginSuccessCallback',
-            error: 'loginErrorCallback'
-          });
-        } else {
-          self.setAuthenticated(false);
-          dfd.resolve(false);
-        }
-      } else {
-        self.setAuthenticated(false);
-        dfd.resolve(false);
-      }
-    });
+        });
+    } else {
+      this.set('loggedIn', false);
+      dfd.resolve(false);
+    }
     return dfd.promise();
   },
 
   onAuthenticationSuccess: function (data) {
-    if (App.db.getAuthenticated() === true) {
-      this.setAuthenticated(true);
-      if (data.items.length) {
-        this.setClusterInstalled(data);
-      }
+    this.setAuthenticated(true);
+    if (data.items.length) {
+      this.setClusterInstalled(data);
     }
   },