--- a/includes/clientside/static/ajax.js	Sun Mar 15 11:15:16 2009 -0400
+++ b/includes/clientside/static/ajax.js	Wed Mar 18 11:35:28 2009 -0400
@@ -1379,7 +1379,7 @@
     });
 }
 
-window.ajaxPluginAction = function(action, plugin_filename, btnobj)
+window.ajaxPluginAction = function(action, plugin_filename, btnobj, send_confirm)
 {
   // if installing, uninstalling, or re-importing, confirm
   if ( action == 'install' || action == 'uninstall' || action == 'reimport' )
@@ -1420,12 +1420,12 @@
           ajaxPluginAction(this._action + '_confirm', this._filename, this._button);
           miniPromptDestroy(this);
           return false;
-        }
+        };
         btn_cancel.onclick = function()
         {
           miniPromptDestroy(this);
           return false;
-        }
+        };
       });
     return true;
   }
@@ -1436,10 +1436,15 @@
     var td = btnobj.parentNode.parentNode.parentNode.parentNode;
     var blackbox = whiteOutElement(td);
   }
-  var request = toJSONString({
+  var request = {
       mode: action,
       plugin: plugin_filename
-    });
+    };
+  if ( send_confirm )
+  {
+    request.install_confirmed = true;
+  }
+  request = toJSONString(request);
   ajaxPost(makeUrlNS('Admin', 'PluginManager/action.json'), 'r=' + ajaxEscape(request), function(ajax)
     {
       if ( ajax.readyState == 4 && ajax.status == 200 )
@@ -1451,15 +1456,43 @@
           return false;
         }
         response = parseJSON(response);
+        if ( blackbox )
+        {
+          blackbox.parentNode.removeChild(blackbox);
+        }
         if ( response.success )
         {
-          if ( blackbox )
-          {
-            blackbox.parentNode.removeChild(blackbox);
-          }
           ajaxPage( namespace_list['Admin'] + 'PluginManager' );
           return true;
-        } 
+        }
+        if ( response.need_confirm )
+        {
+          miniPromptMessage({
+              title: $lang.get(response.confirm_title),
+              message: $lang.get(response.confirm_body),
+              buttons: [
+                {
+                  text: $lang.get('acppl_btn_install'),
+                  color: 'red',
+                  style: {
+                    fontWeight: 'bold',
+                  },
+                  onclick: function() {
+                    ajaxPluginAction(action + '_confirm', plugin_filename, btnobj, true);
+                    miniPromptDestroy(this);
+                  }
+                },
+                {
+                  text: $lang.get('etc_cancel'),
+                  color: 'blue',
+                  onclick: function() {
+                    miniPromptDestroy(this);
+                  }
+                }
+              ]
+            });
+          return true;
+        }
         // wait for fade effect to finish its run
         setTimeout(function()
           {

--- a/includes/clientside/static/fadefilter.js	Sun Mar 15 11:15:16 2009 -0400
+++ b/includes/clientside/static/fadefilter.js	Wed Mar 18 11:35:28 2009 -0400
@@ -14,7 +14,7 @@
   if ( !opacVal )
     opacVal = 70;
   darkener_index[layerid] = ( typeof(darkener_index[layerid]) == 'number' ) ? darkener_index[layerid] + 1 : 1;
-  if(document.getElementById(layerid))
+  if(document.getElementById(layerid) && !document.getElementById(layerid).destroying)
   {
     document.getElementById(layerid).style.zIndex = getHighestZ() + 1;
     if(nofade)
@@ -38,7 +38,18 @@
         opacity(layerid, 0, opacVal, 1000);
       }
     }
-  } else {
+  }
+  else if(document.getElementById(layerid) && document.getElementById(layerid).destroying)
+  {
+    // fade in progress - abort
+    console.warn('Aborting fade');
+    abortFades();
+    changeOpac(opacVal, layerid);
+    document.getElementById(layerid).destroying = false;
+    return document.getElementById(layerid);
+  }
+  else
+  {
     w = getWidth();
     h = getHeight();
     var thediv = document.createElement('div');
@@ -103,9 +114,10 @@
     }
     else
     {
+      document.getElementById(layerid).destroying = true;
       var from = document.getElementById(layerid).myOpacVal;
       opacity(layerid, from, 0, 1000);
-      setTimeout("document.getElementById('" + layerid + "').style.display = 'none';", 1000);
+      setTimeout("if ( document.getElementById('" + layerid + "').destroying ) { document.getElementById('" + layerid + "').destroying = false; document.getElementById('" + layerid + "').style.display = 'none'; }", 1000);
     }
   }
   return document.getElementById(layerid);

--- a/includes/clientside/static/functions.js	Sun Mar 15 11:15:16 2009 -0400
+++ b/includes/clientside/static/functions.js	Wed Mar 18 11:35:28 2009 -0400
@@ -598,7 +598,7 @@
     domOpacity(object, opacStart, opacEnd, millisec);
 }
 
-var opacityDOMCache = new Object();
+var opacityDOMCache = {};
 function domOpacity(obj, opacStart, opacEnd, millisec) {
     //speed for each frame
     var speed = Math.round(millisec / 100);
@@ -611,19 +611,24 @@
     //determine the direction for the blending, if start and end are the same nothing happens
     if(opacStart > opacEnd) {
         for(i = opacStart; i >= opacEnd; i--) {
-            setTimeout("var obj = opacityDOMCache["+uniqid+"]; domObjChangeOpac(" + i + ",obj)",(timer * speed));
+            setTimeout("if ( opacityDOMCache["+uniqid+"] ) { var obj = opacityDOMCache["+uniqid+"]; domObjChangeOpac(" + i + ",obj) }",(timer * speed));
             timer++;
         }
     } else if(opacStart < opacEnd) {
         for(i = opacStart; i <= opacEnd; i++)
             {
-            setTimeout("var obj = opacityDOMCache["+uniqid+"]; domObjChangeOpac(" + i + ",obj)",(timer * speed));
+            setTimeout("if ( opacityDOMCache["+uniqid+"] ) { var obj = opacityDOMCache["+uniqid+"]; domObjChangeOpac(" + i + ",obj); }",(timer * speed));
             timer++;
         }
     }
     setTimeout("delete(opacityDOMCache["+uniqid+"]);",(timer * speed));
 }
 
+function abortFades()
+{
+  opacityDOMCache = {};
+}
+
 // change the opacity for different browsers
 function changeOpac(opacity, id)
 {

--- a/includes/plugins.php	Sun Mar 15 11:15:16 2009 -0400
+++ b/includes/plugins.php	Wed Mar 18 11:35:28 2009 -0400
@@ -513,6 +513,29 @@
   }
   
   /**
+   * Determines if a file is an authentication extension by looking at the file contents.
+   * @param string Plugin filename
+   * @return bool
+   */
+  
+  function is_file_auth_plugin($filename)
+  {
+    $filename = ENANO_ROOT . '/plugins/' . $filename;
+    if ( !file_exists($filename) )
+      return false;
+    
+    $info = $this->get_plugin_info($filename);
+    if ( isset($info['auth plugin']) )
+      return true;
+    
+    $contents = @file_get_contents($filename);
+    if ( strstr($contents, 'login_process_userdata_json') )
+      return true;
+    
+    return false;
+  }
+  
+  /**
    * Installs a plugin.
    * @param string Filename of plugin.
    * @param array The list of plugins as output by pluginLoader::get_plugin_list(). If not passed, the function is called, possibly wasting time.

--- a/language/english/admin.json	Sun Mar 15 11:15:16 2009 -0400
+++ b/language/english/admin.json	Wed Mar 18 11:35:28 2009 -0400
@@ -1,6 +1,6 @@
 /*
  * Enano - an open-source CMS capable of wiki functions, Drupal-like sidebar blocks, and everything in between
- * Version 1.1.1
+ * Version 1.1.6 (Caoineag beta 1)
  * Copyright (C) 2006-2007 Dan Fuhry
  *
  * This program is Free Software; you can redistribute and/or modify it under the terms of the GNU General Public License
@@ -493,6 +493,9 @@
       msg_confirm_install: 'Plugins are not supported by the Enano project and could harm your site if malicious. You should only install plugins from sources that you trust.',
       msg_confirm_reimport: 'Re-importing strings will reload all language data from the plugin file. This should fix missing messages, but any customizations you have made to the plugin\'s language strings will be lost.',
       
+      msg_confirm_authext_title: 'This plugin is an authentication extension.',
+      msg_confirm_authext_body: 'This plugin hooks into Enano\'s login system. It might be used to allow non-password-based authentication. If there is a security vulnerability in this plugin, it might open your site up to attack. Only continue if you trust the author of this plugin.',
+      
       err_upgrade_not_supported: 'This plugin doesn\'t support automatic upgrades. The version number has been updated so the plugin will be re-enabled, but you should check the plugin file to see if the author provided instructions for finishing the upgrade.',
       err_upgrade_bad_version: 'This plugin cannot be upgraded because you are running a version of the plugin that is not listed in the plugin\'s version list.',
       err_upgrade_bad_target_version: 'This plugin cannot be upgraded because it does not support its own version. Please contact the author and ask them to fix this.',

--- a/plugins/admin/PluginManager.php	Sun Mar 15 11:15:16 2009 -0400
+++ b/plugins/admin/PluginManager.php	Wed Mar 18 11:35:28 2009 -0400
@@ -151,6 +151,19 @@
                 );
                 break;
               }
+              if ( !isset($request['install_confirmed']) )
+              {
+                if ( $plugins->is_file_auth_plugin($request['plugin']) )
+                {
+                  $return = array(
+                    'confirm_title' => 'acppl_msg_confirm_authext_title',
+                    'confirm_body' => 'acppl_msg_confirm_authext_body',
+                    'need_confirm' => true,
+                    'success' => false
+                  );
+                  break;
+                }
+              }
               
               $return = $plugins->install_plugin($request['plugin'], $plugin_list);
               break;