includes/update.inc

 <?php
-// $Id: update.inc,v 1.78 2010/10/22 15:41:45 webchick Exp $
 
 /**
  * @file
@@ -62,8 +61,7 @@ function update_check_incompatibility($name, $type = 'module') {
   if (!isset($file)
       || !isset($file->info['core'])
       || $file->info['core'] != DRUPAL_CORE_COMPATIBILITY
-      || version_compare(phpversion(), $file->info['php']) < 0
-      || ($type == 'module' && empty($file->info['files']))) {
+      || version_compare(phpversion(), $file->info['php']) < 0) {
     return TRUE;
   }
   return FALSE;
@@ -85,6 +83,8 @@ function update_prepare_d7_bootstrap() {
   // still being used.
   include_once DRUPAL_ROOT . '/includes/install.inc';
   drupal_bootstrap(DRUPAL_BOOTSTRAP_CONFIGURATION);
+  require_once DRUPAL_ROOT . '/includes/unl_bootstrap.inc';
+  unl_bootstrap_update();
   global $databases, $db_url, $db_prefix, $update_rewrite_settings;
   if (empty($databases) && !empty($db_url)) {
     $databases = update_parse_db_url($db_url, $db_prefix);
@@ -156,7 +156,38 @@ function update_prepare_d7_bootstrap() {
         'description' => $has_required_schema ? '' : 'Please update your Drupal 6 installation to the most recent version before attempting to upgrade to Drupal 7',
       ),
     );
+
+    // Make sure that the database environment is properly set up.
+    try {
+      db_run_tasks(db_driver());
+    }
+    catch (DatabaseTaskException $e) {
+      $requirements['database tasks'] = array(
+        'title' => 'Database environment',
+        'value' => 'There is a problem with your database environment',
+        'severity' => REQUIREMENT_ERROR,
+        'description' => $e->getMessage(),
+      );
+    }
+
     update_extra_requirements($requirements);
+
+    // Allow a D6 session to work, since the upgrade has not been performed yet.
+    $d6_session_name = update_get_d6_session_name();
+    if (!empty($_COOKIE[$d6_session_name])) {
+      // Set the current sid to the one found in the D6 cookie.
+      $sid = $_COOKIE[$d6_session_name];
+      $_COOKIE[session_name()] = $sid;
+      session_id($sid);
+    }
+
+    // Upgrading from D6 to D7.{0,1,2,3,4,8,...} is different than upgrading
+    // from D6 to D7.{5,6,7} which should be considered broken. To be able to
+    // properly handle this difference in node_update_7012 we need to keep track
+    // of whether a D6 > D7 upgrade or a D7 > D7 update is running.
+    // Since variable_set() is not available here, the D6 status is being saved
+    // in a local variable to be able to store it later.
+    $update_d6 = TRUE;
   }
 
   // Create the registry tables.
@@ -281,6 +312,11 @@ function update_prepare_d7_bootstrap() {
     // Set the timezone for this request only.
     $GLOBALS['conf']['date_default_timezone'] = 'UTC';
   }
+
+  // This allows update functions to tell if an upgrade from D6 is running.
+  if (!empty($update_d6)) {
+    variable_set('update_d6', TRUE);
+  }
 }
 
 /**
@@ -334,6 +370,12 @@ function update_fix_d7_block_deltas(&$sandbox, $renamed_deltas, $moved_deltas) {
             ))
             ->fetchField();
           if ($block_exists) {
+            // Delete any existing blocks with the new module+delta.
+            db_delete($table)
+              ->condition('module', $module)
+              ->condition('delta', $new_delta)
+              ->execute();
+            // Rename the old block to the new module+delta.
             db_update($table)
               ->fields(array('delta' => $new_delta))
               ->condition('module', $module)
@@ -351,6 +393,12 @@ function update_fix_d7_block_deltas(&$sandbox, $renamed_deltas, $moved_deltas) {
             ))
             ->fetchField();
           if ($block_exists) {
+            // Delete any existing blocks with the new module+delta.
+            db_delete($table)
+              ->condition('module', $new_module)
+              ->condition('delta', $delta)
+              ->execute();
+            // Rename the old block to the new module+delta.
             db_update($table)
               ->fields(array('module' => $new_module))
               ->condition('module', $old_module)
@@ -467,6 +515,9 @@ function update_fix_d7_requirements() {
     db_add_index('system', 'system_list', array('weight', 'name'));
 
     // Add the cache_path table.
+    if (db_table_exists('cache_path')) {
+      db_drop_table('cache_path');
+    }
     require_once('./modules/system/system.install');
     $schema['cache_path'] = system_schema_cache_7054();
     $schema['cache_path']['description'] = 'Cache table used for path alias lookups.';
@@ -694,15 +745,22 @@ function update_fix_d7_requirements() {
       db_add_field('locales_source', 'context', array('type' => 'varchar', 'length' => 255, 'not null' => TRUE, 'default' => '', 'description' => 'The context this string applies to.'));
     }
 
-    // Rename 'site_offline_message' variable to 'maintenance_mode_message'.
+    // Rename 'site_offline_message' variable to 'maintenance_mode_message'
+    // and 'site_offline' variable to 'maintenance_mode'.
     // Old variable is removed in update for system.module, see
-    // system_update_7036().
+    // system_update_7072().
     if ($message = variable_get('site_offline_message', NULL)) {
       variable_set('maintenance_mode_message', $message);
     }
+    // Old variable is removed in update for system.module, see
+    // system_update_7069().
+    $site_offline = variable_get('site_offline', -1);
+    if ($site_offline != -1) {
+      variable_set('maintenance_mode', $site_offline);
+    }
 
     // Add ssid column and index.
-    db_add_field('sessions', 'ssid', array('description' => "Secure session ID. The value is generated by PHP's Session API.", 'type' => 'varchar', 'length' => 128, 'not null' => TRUE, 'default' => ''));
+    db_add_field('sessions', 'ssid', array('description' => "Secure session ID. The value is generated by Drupal's session handlers.", 'type' => 'varchar', 'length' => 128, 'not null' => TRUE, 'default' => ''));
     db_add_index('sessions', 'ssid', array('ssid'));
     // Drop existing primary key.
     db_drop_primary_key('sessions');
@@ -819,6 +877,37 @@ function update_parse_db_url($db_url, $db_prefix) {
   return $databases;
 }
 
+/**
+ * Constructs a session name compatible with a D6 environment.
+ *
+ * @return
+ *   D6-compatible session name string.
+ *
+ * @see drupal_settings_initialize()
+ */
+function update_get_d6_session_name() {
+  global $base_url, $cookie_domain;
+  $cookie_secure = ini_get('session.cookie_secure');
+
+  // If a custom cookie domain is set in settings.php, that variable forms
+  // the basis of the session name. Re-compute the D7 hashing method to find
+  // out if $cookie_domain was used as the session name.
+  if (($cookie_secure ? 'SSESS' : 'SESS') . substr(hash('sha256', $cookie_domain), 0, 32) == session_name()) {
+    $session_name = $cookie_domain;
+  }
+  else {
+    // Otherwise use $base_url as session name, without the protocol
+    // to use the same session identifiers across http and https.
+    list( , $session_name) = explode('://', $base_url, 2);
+  }
+
+  if ($cookie_secure) {
+    $session_name .= 'SSL';
+  }
+
+  return 'SESS' . md5($session_name);
+}
+
 /**
  * Perform one update and store the results for display on finished page.
  *
@@ -883,7 +972,8 @@ function update_do_one($module, $number, $dependency_map, &$context) {
 
       require_once DRUPAL_ROOT . '/includes/errors.inc';
       $variables = _drupal_decode_exception($e);
-      $ret['#abort'] = array('success' => FALSE, 'query' => t('%type: %message in %function (line %line of %file).', $variables));
+      // The exception message is run through check_plain() by _drupal_decode_exception().
+      $ret['#abort'] = array('success' => FALSE, 'query' => t('%type: !message in %function (line %line of %file).', $variables));
     }
   }
 
@@ -1006,6 +1096,10 @@ function update_batch($start, $redirect = NULL, $url = NULL, $batch = array(), $
  * @see update_batch()
  */
 function update_finished($success, $results, $operations) {
+  // Remove the D6 upgrade flag variable so that subsequent update runs do not
+  // get the wrong context.
+  variable_del('update_d6');
+
   // Clear the caches in case the data has been updated.
   drupal_flush_all_caches();
 
@@ -1334,7 +1428,7 @@ function update_retrieve_dependencies() {
   $return = array();
   // Get a list of installed modules, arranged so that we invoke their hooks in
   // the same order that module_invoke_all() does.
-  $modules = db_query("SELECT name FROM {system} WHERE type = 'module' AND schema_version != :schema ORDER BY weight ASC, name ASC", array(':schema' => SCHEMA_UNINSTALLED))->fetchCol();
+  $modules = db_query("SELECT name FROM {system} WHERE type = 'module' AND schema_version <> :schema ORDER BY weight ASC, name ASC", array(':schema' => SCHEMA_UNINSTALLED))->fetchCol();
   foreach ($modules as $module) {
     $function = $module . '_update_dependencies';
     if (function_exists($function)) {
@@ -1384,7 +1478,7 @@ function update_retrieve_dependencies() {
 }
 
 /**
- * @defgroup update-api-6.x-to-7.x Update versions of API functions.
+ * @defgroup update-api-6.x-to-7.x Update versions of API functions
  * @{
  * Functions similar to normal API function but not firing hooks.
  *

includes/updater.inc

 <?php
-// $Id: updater.inc,v 1.7 2010/09/01 20:08:17 dries Exp $
 
 /**
  * @file
@@ -137,12 +136,12 @@ class Updater {
    *   Path to the info file.
    */
   public static function findInfoFile($directory) {
-    $info_files = file_scan_directory($directory, '/.*\.info/');
+    $info_files = file_scan_directory($directory, '/.*\.info$/');
     if (!$info_files) {
       return FALSE;
     }
     foreach ($info_files as $info_file) {
-      if (drupal_substr($info_file->filename, 0, -5) == basename($directory)) {
+      if (drupal_substr($info_file->filename, 0, -5) == drupal_basename($directory)) {
         // Info file Has the same name as the directory, return it.
         return $info_file->uri;
       }
@@ -164,7 +163,7 @@ class Updater {
    *   The name of the project.
    */
   public static function getProjectName($directory) {
-    return basename($directory);
+    return drupal_basename($directory);
   }
 
   /**
@@ -179,8 +178,11 @@ class Updater {
   public static function getProjectTitle($directory) {
     $info_file = self::findInfoFile($directory);
     $info = drupal_parse_info_file($info_file);
-    if (!$info) {
-      throw new UpdaterException(t('Unable to parse info file.'));
+    if (empty($info)) {
+      throw new UpdaterException(t('Unable to parse info file: %info_file.', array('%info_file' => $info_file)));
+    }
+    if (empty($info['name'])) {
+      throw new UpdaterException(t("The info file (%info_file) does not define a 'name' attribute.", array('%info_file' => $info_file)));
     }
     return $info['name'];
   }

includes/utility.inc

 <?php
-// $Id: utility.inc,v 1.2 2010/07/24 17:28:25 dries Exp $
 
 /**
  * @file
@@ -12,7 +11,7 @@
  * @param $var
  *   The variable to export.
  * @param $prefix
- *   A prefix that will be added at the begining of every lines of the output.
+ *   A prefix that will be added at the beginning of every lines of the output.
  * @return
  *   The variable exported in a way compatible to Drupal's coding standards.
  */
@@ -47,6 +46,13 @@ function drupal_var_export($var, $prefix = '') {
       $output = "'" . $var . "'";
     }
   }
+  elseif (is_object($var) && get_class($var) === 'stdClass') {
+    // var_export() will export stdClass objects using an undefined
+    // magic method __set_state() leaving the export broken. This
+    // workaround avoids this by casting the object as an array for
+    // export and casting it back to an object when evaluated.
+    $output .= '(object) ' . drupal_var_export((array) $var, $prefix);
+  }
   else {
     $output = var_export($var, TRUE);
   }

includes/xmlrpc.inc

 <?php
-// $Id: xmlrpc.inc,v 1.69 2010/08/14 03:15:01 dries Exp $
 
 /**
  * @file
@@ -623,4 +622,3 @@ function xmlrpc_error_msg() {
 function xmlrpc_clear_error() {
   xmlrpc_error(NULL, NULL, TRUE);
 }
-

includes/xmlrpcs.inc

 <?php
-// $Id: xmlrpcs.inc,v 1.42 2010/10/02 01:22:41 dries Exp $
 
 /**
  * @file
@@ -337,7 +336,7 @@ function xmlrpc_server_get_capabilities() {
 }
 
 /**
- * Returns the method signature of a function.
+ * Returns one method signature for a function.
  *
  * This is the function mapped to the XML-RPC method system.methodSignature.
  *
@@ -349,8 +348,8 @@ function xmlrpc_server_get_capabilities() {
  *   Name of method to return a method signature for.
  *
  * @return array
- *   An array of types representing the method signature of the function that
- *   $methodname maps to.
+ *   An array of arrays of types, each of the arrays representing one method
+ *   signature of the function that $methodname maps to.
  */
 function xmlrpc_server_method_signature($methodname) {
   $xmlrpc_server = xmlrpc_server_get();
@@ -365,7 +364,7 @@ function xmlrpc_server_method_signature($methodname) {
   foreach ($xmlrpc_server->signatures[$methodname] as $type) {
     $return[] = $type;
   }
-  return $return;
+  return array($return);
 }
 
 /**
@@ -383,4 +382,3 @@ function xmlrpc_server_method_help($method) {
   $xmlrpc_server = xmlrpc_server_get();
   return $xmlrpc_server->help[$method];
 }
-

index.php

 <?php
-// $Id: index.php,v 1.99 2009/10/15 14:07:25 dries Exp $
 
 /**
  * @file

install.php

 <?php
-// $Id: install.php,v 1.238 2010/10/22 02:53:19 webchick Exp $
 
 /**
  * @file

misc/ajax.js

-// $Id: ajax.js,v 1.25 2010/10/21 19:31:39 dries Exp $
 (function ($) {
 
 /**
- * Provides AJAX page updating via jQuery $.ajax (Asynchronous JavaScript and XML).
+ * Provides Ajax page updating via jQuery $.ajax (Asynchronous JavaScript and XML).
  *
- * AJAX is a method of making a request via Javascript while viewing an HTML
+ * Ajax is a method of making a request via JavaScript while viewing an HTML
  * page. The request returns an array of commands encoded in JSON, which is
  * then executed to make any changes that are necessary to the page.
  *
  * Drupal uses this file to enhance form elements with #ajax['path'] and
  * #ajax['wrapper'] properties. If set, this file will automatically be included
- * to provide AJAX capabilities.
+ * to provide Ajax capabilities.
  */
 
 Drupal.ajax = Drupal.ajax || {};
 
 /**
- * Attaches the AJAX behavior to each AJAX form element.
+ * Attaches the Ajax behavior to each Ajax form element.
  */
 Drupal.behaviors.AJAX = {
   attach: function (context, settings) {
-    // Load all AJAX behaviors specified in the settings.
+    // Load all Ajax behaviors specified in the settings.
     for (var base in settings.ajax) {
       if (!$('#' + base + '.ajax-processed').length) {
         var element_settings = settings.ajax[base];
 
+        if (typeof element_settings.selector == 'undefined') {
+          element_settings.selector = '#' + base;
+        }
         $(element_settings.selector).each(function () {
           element_settings.element = this;
           Drupal.ajax[base] = new Drupal.ajax(base, this, element_settings);
@@ -34,9 +36,11 @@ Drupal.behaviors.AJAX = {
       }
     }
 
-    // Bind AJAX behaviors to all items showing the class.
+    // Bind Ajax behaviors to all items showing the class.
     $('.use-ajax:not(.ajax-processed)').addClass('ajax-processed').each(function () {
       var element_settings = {};
+      // Clicked links look better with the throbber than the progress bar.
+      element_settings.progress = { 'type': 'throbber' };
 
       // For anchor tags, these will go to the target of the anchor rather
       // than the usual location.
@@ -48,11 +52,11 @@ Drupal.behaviors.AJAX = {
       Drupal.ajax[base] = new Drupal.ajax(base, this, element_settings);
     });
 
-    // This class means to submit the form to the action using AJAX.
+    // This class means to submit the form to the action using Ajax.
     $('.use-ajax-submit:not(.ajax-processed)').addClass('ajax-processed').each(function () {
       var element_settings = {};
 
-      // AJAX submits specified in this manner automatically submit to the
+      // Ajax submits specified in this manner automatically submit to the
       // normal form action.
       element_settings.url = $(this.form).attr('action');
       // Form submit button clicks need to tell the form what was clicked so
@@ -70,13 +74,13 @@ Drupal.behaviors.AJAX = {
 };
 
 /**
- * AJAX object.
+ * Ajax object.
  *
- * All AJAX objects on a page are accessible through the global Drupal.ajax
+ * All Ajax objects on a page are accessible through the global Drupal.ajax
  * object and are keyed by the submit button's ID. You can access them from
  * your module's JavaScript file to override properties or functions.
  *
- * For example, if your AJAX enabled button has the ID 'edit-submit', you can
+ * For example, if your Ajax enabled button has the ID 'edit-submit', you can
  * redefine the function that is called to insert the new content like this
  * (inside a Drupal.behaviors attach block):
  * @code
@@ -98,11 +102,11 @@ Drupal.ajax = function (base, element, element_settings) {
     keypress: true,
     selector: '#' + base,
     effect: 'none',
-    speed: 'slow',
+    speed: 'none',
     method: 'replaceWith',
     progress: {
-      type: 'bar',
-      message: 'Please wait...'
+      type: 'throbber',
+      message: Drupal.t('Please wait...')
     },
     submit: {
       'js': true
@@ -112,14 +116,24 @@ Drupal.ajax = function (base, element, element_settings) {
   $.extend(this, defaults, element_settings);
 
   this.element = element;
+  this.element_settings = element_settings;
 
   // Replacing 'nojs' with 'ajax' in the URL allows for an easy method to let
   // the server detect when it needs to degrade gracefully.
-  this.url = element_settings.url.replace(/\/nojs(\/|$)/g, '/ajax$1');
+  // There are five scenarios to check for:
+  // 1. /nojs/
+  // 2. /nojs$ - The end of a URL string.
+  // 3. /nojs? - Followed by a query (with clean URLs enabled).
+  //      E.g.: path/nojs?destination=foobar
+  // 4. /nojs& - Followed by a query (without clean URLs enabled).
+  //      E.g.: ?q=path/nojs&destination=foobar
+  // 5. /nojs# - Followed by a fragment.
+  //      E.g.: path/nojs#myfragment
+  this.url = element_settings.url.replace(/\/nojs(\/|$|\?|&|#)/g, '/ajax$1');
   this.wrapper = '#' + element_settings.wrapper;
 
   // If there isn't a form, jQuery.ajax() will be used instead, allowing us to
-  // bind AJAX to links as well.
+  // bind Ajax to links as well.
   if (this.element.form) {
     this.form = $(this.element.form);
   }
@@ -137,6 +151,10 @@ Drupal.ajax = function (base, element, element_settings) {
       ajax.ajaxing = true;
       return ajax.beforeSubmit(form_values, element_settings, options);
     },
+    beforeSend: function (xmlhttprequest, options) {
+      ajax.ajaxing = true;
+      return ajax.beforeSend(xmlhttprequest, options);
+    },
     success: function (response, status) {
       // Sanity check for browser support (object expected).
       // When using iFrame uploads, responses must be returned as a string.
@@ -156,7 +174,64 @@ Drupal.ajax = function (base, element, element_settings) {
   };
 
   // Bind the ajaxSubmit function to the element event.
-  $(this.element).bind(element_settings.event, function () {
+  $(ajax.element).bind(element_settings.event, function (event) {
+    return ajax.eventResponse(this, event);
+  });
+
+  // If necessary, enable keyboard submission so that Ajax behaviors
+  // can be triggered through keyboard input as well as e.g. a mousedown
+  // action.
+  if (element_settings.keypress) {
+    $(ajax.element).keypress(function (event) {
+      return ajax.keypressResponse(this, event);
+    });
+  }
+
+  // If necessary, prevent the browser default action of an additional event.
+  // For example, prevent the browser default action of a click, even if the
+  // AJAX behavior binds to mousedown.
+  if (element_settings.prevent) {
+    $(ajax.element).bind(element_settings.prevent, false);
+  }
+};
+
+/**
+ * Handle a key press.
+ *
+ * The Ajax object will, if instructed, bind to a key press response. This
+ * will test to see if the key press is valid to trigger this event and
+ * if it is, trigger it for us and prevent other keypresses from triggering.
+ * In this case we're handling RETURN and SPACEBAR keypresses (event codes 13
+ * and 32. RETURN is often used to submit a form when in a textfield, and 
+ * SPACE is often used to activate an element without submitting. 
+ */
+Drupal.ajax.prototype.keypressResponse = function (element, event) {
+  // Create a synonym for this to reduce code confusion.
+  var ajax = this;
+
+  // Detect enter key and space bar and allow the standard response for them,
+  // except for form elements of type 'text' and 'textarea', where the 
+  // spacebar activation causes inappropriate activation if #ajax['keypress'] is 
+  // TRUE. On a text-type widget a space should always be a space.
+  if (event.which == 13 || (event.which == 32 && element.type != 'text' && element.type != 'textarea')) {
+    $(ajax.element_settings.element).trigger(ajax.element_settings.event);
+    return false;
+  }
+};
+
+/**
+ * Handle an event that triggers an Ajax response.
+ *
+ * When an event that triggers an Ajax response happens, this method will
+ * perform the actual Ajax call. It is bound to the event using
+ * bind() in the constructor, and it uses the options specified on the
+ * ajax object.
+ */
+Drupal.ajax.prototype.eventResponse = function (element, event) {
+  // Create a synonym for this to reduce code confusion.
+  var ajax = this;
+
+  // Do not perform another ajax command if one is already in progress.
   if (ajax.ajaxing) {
     return false;
   }
@@ -170,7 +245,7 @@ Drupal.ajax = function (base, element, element_settings) {
         // ajaxSubmit that tells the system which element got clicked to
         // trigger the submit. Without it there would be no 'op' or
         // equivalent.
-          this.form.clk = this;
+        element.form.clk = element;
       }
 
       ajax.form.ajaxSubmit(ajax.options);
@@ -181,30 +256,27 @@ Drupal.ajax = function (base, element, element_settings) {
     }
   }
   catch (e) {
+    // Unset the ajax.ajaxing flag here because it won't be unset during
+    // the complete response.
+    ajax.ajaxing = false;
     alert("An error occurred while attempting to process " + ajax.options.url + ": " + e.message);
   }
 
-    return false;
-  });
-
-  // If necessary, enable keyboard submission so that AJAX behaviors
-  // can be triggered through keyboard input as well as e.g. a mousedown
-  // action.
-  if (element_settings.keypress) {
-    $(element_settings.element).keypress(function (event) {
-      // Detect enter key.
-      if (event.keyCode == 13) {
-        $(element_settings.element).trigger(element_settings.event);
-        return false;
+  // For radio/checkbox, allow the default event. On IE, this means letting
+  // it actually check the box.
+  if (typeof element.type != 'undefined' && (element.type == 'checkbox' || element.type == 'radio')) {
+    return true;
   }
-    });
+  else {
+    return false;
   }
+
 };
 
 /**
  * Handler for the form serialization.
  *
- * Runs before the beforeSubmit() handler (see below), and unlike that one, runs
+ * Runs before the beforeSend() handler (see below), and unlike that one, runs
  * before field data is collected.
  */
 Drupal.ajax.prototype.beforeSerialize = function (element, options) {
@@ -241,10 +313,49 @@ Drupal.ajax.prototype.beforeSerialize = function (element, options) {
 };
 
 /**
- * Handler for the form redirection submission.
+ * Modify form values prior to form submission.
  */
 Drupal.ajax.prototype.beforeSubmit = function (form_values, element, options) {
-  // Disable the element that received the change.
+  // This function is left empty to make it simple to override for modules
+  // that wish to add functionality here.
+};
+
+/**
+ * Prepare the Ajax request before it is sent.
+ */
+Drupal.ajax.prototype.beforeSend = function (xmlhttprequest, options) {
+  // For forms without file inputs, the jQuery Form plugin serializes the form
+  // values, and then calls jQuery's $.ajax() function, which invokes this
+  // handler. In this circumstance, options.extraData is never used. For forms
+  // with file inputs, the jQuery Form plugin uses the browser's normal form
+  // submission mechanism, but captures the response in a hidden IFRAME. In this
+  // circumstance, it calls this handler first, and then appends hidden fields
+  // to the form to submit the values in options.extraData. There is no simple
+  // way to know which submission mechanism will be used, so we add to extraData
+  // regardless, and allow it to be ignored in the former case.
+  if (this.form) {
+    options.extraData = options.extraData || {};
+
+    // Let the server know when the IFRAME submission mechanism is used. The
+    // server can use this information to wrap the JSON response in a TEXTAREA,
+    // as per http://jquery.malsup.com/form/#file-upload.
+    options.extraData.ajax_iframe_upload = '1';
+
+    // The triggering element is about to be disabled (see below), but if it
+    // contains a value (e.g., a checkbox, textfield, select, etc.), ensure that
+    // value is included in the submission. As per above, submissions that use
+    // $.ajax() are already serialized prior to the element being disabled, so
+    // this is only needed for IFRAME submissions.
+    var v = $.fieldValue(this.element);
+    if (v !== null) {
+      options.extraData[this.element.name] = v;
+    }
+  }
+
+  // Disable the element that received the change to prevent user interface
+  // interaction while the Ajax request is in progress. ajax.ajaxing prevents
+  // the element from triggering a new request, but does not prevent the user
+  // from changing its value.
   $(this.element).addClass('progress-disabled').attr('disabled', true);
 
   // Insert progressbar or throbber.
@@ -280,7 +391,7 @@ Drupal.ajax.prototype.success = function (response, status) {
   if (this.progress.object) {
     this.progress.object.stopMonitoring();
   }
-  $(this.element).removeClass('progress-disabled').attr('disabled', false);
+  $(this.element).removeClass('progress-disabled').removeAttr('disabled');
 
   Drupal.freezeHeight();
 
@@ -348,7 +459,7 @@ Drupal.ajax.prototype.error = function (response, uri) {
   // Undo hide.
   $(this.wrapper).show();
   // Re-enable the element.
-  $(this.element).removeClass('progress-disabled').attr('disabled', false);
+  $(this.element).removeClass('progress-disabled').removeAttr('disabled');
   // Reattach behaviors, if they were detached in beforeSerialize().
   if (this.form) {
     var settings = response.settings || this.settings || Drupal.settings;
@@ -383,7 +494,7 @@ Drupal.ajax.prototype.commands = {
     // sufficiently tested whether attachBehaviors() can be successfully called
     // with a context object that includes top-level text nodes. However, to
     // give developers full control of the HTML appearing in the page, and to
-    // enable AJAX content to be inserted in places where DIV elements are not
+    // enable Ajax content to be inserted in places where DIV elements are not
     // allowed (e.g., within TABLE, TR, and SPAN parents), we check if the new
     // content satisfies the requirement of a single top-level element, and
     // only use the container DIV created above when it doesn't. For more
@@ -486,6 +597,14 @@ Drupal.ajax.prototype.commands = {
     $(response.selector).data(response.name, response.value);
   },
 
+  /**
+   * Command to apply a jQuery method.
+   */
+  invoke: function (ajax, response, status) {
+    var $element = $(response.selector);
+    $element[response.method].apply($element, response.arguments);
+  },
+
   /**
    * Command to restripe a table.
    */

misc/authorize.js

-// $Id: authorize.js,v 1.3 2010/01/04 16:08:52 webchick Exp $
 
 /**
  * @file
@@ -17,7 +16,6 @@ Drupal.behaviors.authorizeFileTransferForm = {
 
     // Removes the float on the select box (used for non-JS interface).
     if ($('.connection-settings-update-filetransfer-default-wrapper').length > 0) {
-      console.log($('.connection-settings-update-filetransfer-default-wrapper'));
       $('.connection-settings-update-filetransfer-default-wrapper').css('float', 'none');
     }
     // Hides the submit button for non-js users.

misc/autocomplete.js

-// $Id: autocomplete.js,v 1.37 2010/06/13 05:31:02 dries Exp $
 (function ($) {
 
 /**
@@ -12,10 +11,16 @@ Drupal.behaviors.autocomplete = {
       if (!acdb[uri]) {
         acdb[uri] = new Drupal.ACDB(uri);
       }
-      var input = $('#' + this.id.substr(0, this.id.length - 13))
-        .attr('autocomplete', 'OFF')[0];
-      $(input.form).submit(Drupal.autocompleteSubmit);
-      new Drupal.jsAC(input, acdb[uri]);
+      var $input = $('#' + this.id.substr(0, this.id.length - 13))
+        .attr('autocomplete', 'OFF')
+        .attr('aria-autocomplete', 'list');
+      $($input[0].form).submit(Drupal.autocompleteSubmit);
+      $input.parent()
+        .attr('role', 'application')
+        .append($('<span class="element-invisible" aria-live="assertive"></span>')
+          .attr('id', $input.attr('id') + '-autocomplete-aria-live')
+        );
+      new Drupal.jsAC($input, acdb[uri]);
     });
   }
 };
@@ -33,12 +38,13 @@ Drupal.autocompleteSubmit = function () {
 /**
  * An AutoComplete object.
  */
-Drupal.jsAC = function (input, db) {
+Drupal.jsAC = function ($input, db) {
   var ac = this;
-  this.input = input;
+  this.input = $input[0];
+  this.ariaLive = $('#' + this.input.id + '-autocomplete-aria-live');
   this.db = db;
 
-  $(this.input)
+  $input
     .keydown(function (event) { return ac.onkeydown(this, event); })
     .keyup(function (event) { ac.onkeyup(this, event); })
     .blur(function () { ac.hidePopup(); ac.db.cancel(); });
@@ -141,6 +147,7 @@ Drupal.jsAC.prototype.highlight = function (node) {
   }
   $(node).addClass('selected');
   this.selected = node;
+  $(this.ariaLive).html($(this.selected).html());
 };
 
 /**
@@ -149,6 +156,7 @@ Drupal.jsAC.prototype.highlight = function (node) {
 Drupal.jsAC.prototype.unhighlight = function (node) {
   $(node).removeClass('selected');
   this.selected = false;
+  $(this.ariaLive).empty();
 };
 
 /**
@@ -166,12 +174,15 @@ Drupal.jsAC.prototype.hidePopup = function (keycode) {
     $(popup).fadeOut('fast', function () { $(popup).remove(); });
   }
   this.selected = false;
+  $(this.ariaLive).empty();
 };
 
 /**
  * Positions the suggestions popup and starts a search.
  */
 Drupal.jsAC.prototype.populatePopup = function () {
+  var $input = $(this.input);
+  var position = $input.position();
   // Show popup.
   if (this.popup) {
     $(this.popup).remove();
@@ -180,11 +191,12 @@ Drupal.jsAC.prototype.populatePopup = function () {
   this.popup = $('<div id="autocomplete"></div>')[0];
   this.popup.owner = this;
   $(this.popup).css({
-    marginTop: this.input.offsetHeight + 'px',
-    width: (this.input.offsetWidth - 4) + 'px',
+    top: parseInt(position.top + this.input.offsetHeight, 10) + 'px',
+    left: parseInt(position.left, 10) + 'px',
+    width: $input.innerWidth() + 'px',
     display: 'none'
   });
-  $(this.input).before(this.popup);
+  $input.before(this.popup);
 
   // Do search.
   this.db.owner = this;
@@ -217,6 +229,7 @@ Drupal.jsAC.prototype.found = function (matches) {
   if (this.popup) {
     if (ul.children().size()) {
       $(this.popup).empty().append(ul).show();
+      $(this.ariaLive).html(Drupal.t('Autocomplete popup'));
     }
     else {
       $(this.popup).css({ visibility: 'hidden' });
@@ -229,6 +242,7 @@ Drupal.jsAC.prototype.setStatus = function (status) {
   switch (status) {
     case 'begin':
       $(this.input).addClass('throbbing');
+      $(this.ariaLive).html(Drupal.t('Searching for matches...'));
       break;
     case 'cancel':
     case 'error':

misc/batch.js

-// $Id: batch.js,v 1.10 2009/08/31 05:51:07 dries Exp $
 (function ($) {
 
 /**

misc/collapse.js

-// $Id: collapse.js,v 1.32 2010/05/14 16:45:56 dries Exp $
 (function ($) {
 
 /**

misc/drupal.js

-// $Id: drupal.js,v 1.69 2010/07/28 01:38:28 dries Exp $
 
 var Drupal = Drupal || { 'settings': {}, 'behaviors': {}, 'locale': {} };
 
@@ -11,7 +10,7 @@ jQuery.noConflict();
  * Attach all registered behaviors to a page element.
  *
  * Behaviors are event-triggered actions that attach to page elements, enhancing
- * default non-Javascript UIs. Behaviors are registered in the Drupal.behaviors
+ * default non-JavaScript UIs. Behaviors are registered in the Drupal.behaviors
  * object using the method 'attach' and optionally also 'detach' as follows:
  * @code
  *    Drupal.behaviors.behaviorName = {
@@ -25,7 +24,7 @@ jQuery.noConflict();
  * @endcode
  *
  * Drupal.attachBehaviors is added below to the jQuery ready event and so
- * runs on initial page load. Developers implementing AHAH/AJAX in their
+ * runs on initial page load. Developers implementing AHAH/Ajax in their
  * solutions should also call this function after new page content has been
  * loaded, feeding in an element to be processed, in order to attach all
  * behaviors to the new content.
@@ -61,7 +60,7 @@ Drupal.attachBehaviors = function (context, settings) {
 /**
  * Detach registered behaviors from a page element.
  *
- * Developers implementing AHAH/AJAX in their solutions should call this
+ * Developers implementing AHAH/Ajax in their solutions should call this
  * function before page content is about to be removed, feeding in an element
  * to be processed, in order to allow special behaviors to detach from the
  * content.
@@ -89,7 +88,7 @@ Drupal.attachBehaviors = function (context, settings) {
  *     IFRAME elements reload their "src" when being moved within the DOM,
  *     behaviors bound to IFRAME elements (like WYSIWYG editors) may need to
  *     take some action.
- *   - serialize: When an AJAX form is submitted, this is called with the
+ *   - serialize: When an Ajax form is submitted, this is called with the
  *     form as the context. This provides every behavior within the form an
  *     opportunity to ensure that the field elements have correct content
  *     in them before the form is serialized. The canonical use-case is so
@@ -112,42 +111,40 @@ Drupal.detachBehaviors = function (context, settings, trigger) {
 
 /**
  * Encode special characters in a plain-text string for display as HTML.
+ *
+ * @ingroup sanitization
  */
 Drupal.checkPlain = function (str) {
+  var character, regex,
+      replace = { '&': '&amp;', '"': '&quot;', '<': '&lt;', '>': '&gt;' };
   str = String(str);
-  var replace = { '&': '&amp;', '"': '&quot;', '<': '&lt;', '>': '&gt;' };
-  for (var character in replace) {
-    var regex = new RegExp(character, 'g');
+  for (character in replace) {
+    if (replace.hasOwnProperty(character)) {
+      regex = new RegExp(character, 'g');
       str = str.replace(regex, replace[character]);
     }
+  }
   return str;
 };
 
 /**
- * Translate strings to the page language or a given language.
- *
- * See the documentation of the server-side t() function for further details.
+ * Replace placeholders with sanitized values in a string.
  *
  * @param str
- *   A string containing the English string to translate.
+ *   A string with placeholders.
  * @param args
- *   An object of replacements pairs to make after translation. Incidences
- *   of any key in this array are replaced with the corresponding value.
- *   Based on the first character of the key, the value is escaped and/or themed:
+ *   An object of replacements pairs to make. Incidences of any key in this
+ *   array are replaced with the corresponding value. Based on the first
+ *   character of the key, the value is escaped and/or themed:
  *    - !variable: inserted as is
  *    - @variable: escape plain text to HTML (Drupal.checkPlain)
  *    - %variable: escape text and theme as a placeholder for user-submitted
  *      content (checkPlain + Drupal.theme('placeholder'))
- * @return
- *   The translated string.
+ *
+ * @see Drupal.t()
+ * @ingroup sanitization
  */
-Drupal.t = function (str, args) {
-  // Fetch the localized version of the string.
-  if (Drupal.locale.strings && Drupal.locale.strings[str]) {
-    str = Drupal.locale.strings[str];
-  }
-
-  if (args) {
+Drupal.formatString = function(str, args) {
   // Transform arguments before inserting them.
   for (var key in args) {
     switch (key.charAt(0)) {
@@ -166,6 +163,39 @@ Drupal.t = function (str, args) {
     }
     str = str.replace(key, args[key]);
   }
+  return str;
+};
+
+/**
+ * Translate strings to the page language or a given language.
+ *
+ * See the documentation of the server-side t() function for further details.
+ *
+ * @param str
+ *   A string containing the English string to translate.
+ * @param args
+ *   An object of replacements pairs to make after translation. Incidences
+ *   of any key in this array are replaced with the corresponding value.
+ *   See Drupal.formatString().
+ *
+ * @param options
+ *   - 'context' (defaults to the empty context): The context the source string
+ *     belongs to.
+ *
+ * @return
+ *   The translated string.
+ */
+Drupal.t = function (str, args, options) {
+  options = options || {};
+  options.context = options.context || '';
+
+  // Fetch the localized version of the string.
+  if (Drupal.locale.strings && Drupal.locale.strings[options.context] && Drupal.locale.strings[options.context][str]) {
+    str = Drupal.locale.strings[options.context][str];
+  }
+
+  if (args) {
+    str = Drupal.formatString(str, args);
   }
   return str;
 };
@@ -191,32 +221,30 @@ Drupal.t = function (str, args) {
  * @param args
  *   An object of replacements pairs to make after translation. Incidences
  *   of any key in this array are replaced with the corresponding value.
- *   Based on the first character of the key, the value is escaped and/or themed:
- *    - !variable: inserted as is
- *    - @variable: escape plain text to HTML (Drupal.checkPlain)
- *    - %variable: escape text and theme as a placeholder for user-submitted
- *      content (checkPlain + Drupal.theme('placeholder'))
+ *   See Drupal.formatString().
  *   Note that you do not need to include @count in this array.
  *   This replacement is done automatically for the plural case.
+ * @param options
+ *   The options to pass to the Drupal.t() function.
  * @return
  *   A translated string.
  */
-Drupal.formatPlural = function (count, singular, plural, args) {
+Drupal.formatPlural = function (count, singular, plural, args, options) {
   var args = args || {};
   args['@count'] = count;
   // Determine the index of the plural form.
   var index = Drupal.locale.pluralFormula ? Drupal.locale.pluralFormula(args['@count']) : ((args['@count'] == 1) ? 0 : 1);
 
   if (index == 0) {
-    return Drupal.t(singular, args);
+    return Drupal.t(singular, args, options);
   }
   else if (index == 1) {
-    return Drupal.t(plural, args);
+    return Drupal.t(plural, args, options);
   }
   else {
     args['@count[' + index + ']'] = args['@count'];
     delete args['@count'];
-    return Drupal.t(plural.replace('@count', '@count[' + index + ']'), args);
+    return Drupal.t(plural.replace('@count', '@count[' + index + ']'), args, options);
   }
 };
 
@@ -228,8 +256,9 @@ Drupal.formatPlural = function (count, singular, plural, args) {
  * theme does not provide an override function, the generic theme function is
  * called.
  *
- * For example, to retrieve the HTML that is output by theme_placeholder(text),
- * call Drupal.theme('placeholder', text).
+ * For example, to retrieve the HTML for text that should be emphasized and
+ * displayed as a placeholder inside a sentence, call
+ * Drupal.theme('placeholder', text).
  *
  * @param func
  *   The name of the theme function to call.
@@ -240,9 +269,7 @@ Drupal.formatPlural = function (count, singular, plural, args) {
  *   but also a complex object.
  */
 Drupal.theme = function (func) {
-  for (var i = 1, args = []; i < arguments.length; i++) {
-    args.push(arguments[i]);
-  }
+  var args = Array.prototype.slice.apply(arguments, [1]);
 
   return (Drupal.theme[func] || Drupal.theme.prototype[func]).apply(this, args);
 };
@@ -300,7 +327,7 @@ Drupal.getSelection = function (element) {
 };
 
 /**
- * Build an error message from an AJAX response.
+ * Build an error message from an Ajax response.
  */
 Drupal.ajaxError = function (xmlhttp, uri) {
   var statusCode, statusText, pathText, responseText, readyStateText, message;
@@ -312,8 +339,22 @@ Drupal.ajaxError = function (xmlhttp, uri) {
   }
   statusCode += "\n" + Drupal.t("Debugging information follows.");
   pathText = "\n" + Drupal.t("Path: !uri", {'!uri': uri} );
-  statusText = xmlhttp.statusText ? ("\n" + Drupal.t("StatusText: !statusText", {'!statusText': $.trim(xmlhttp.statusText)})) : "";
-  responseText = xmlhttp.responseText ? ("\n" + Drupal.t("ResponseText: !responseText", {'!responseText': $.trim(xmlhttp.responseText)})) : "";
+  statusText = '';
+  // In some cases, when statusCode == 0, xmlhttp.statusText may not be defined.
+  // Unfortunately, testing for it with typeof, etc, doesn't seem to catch that
+  // and the test causes an exception. So we need to catch the exception here.
+  try {
+    statusText = "\n" + Drupal.t("StatusText: !statusText", {'!statusText': $.trim(xmlhttp.statusText)});
+  }
+  catch (e) {}
+
+  responseText = '';
+  // Again, we don't have a way to know for sure whether accessing
+  // xmlhttp.responseText is going to throw an exception. So we'll catch it.
+  try {
+    responseText = "\n" + Drupal.t("ResponseText: !responseText", {'!responseText': $.trim(xmlhttp.responseText) } );
+  } catch (e) {}
+
   // Make the responseText more readable by stripping HTML tags and newlines.
   responseText = responseText.replace(/<("[^"]*"|'[^']*'|[^'">])*>/gi,"");
   responseText = responseText.replace(/[\n]+\s+/g,"\n");
@@ -364,7 +405,7 @@ Drupal.theme.prototype = {
    *   The formatted text (html).
    */
   placeholder: function (str) {
-    return '<em>' + Drupal.checkPlain(str) + '</em>';
+    return '<em class="placeholder">' + Drupal.checkPlain(str) + '</em>';
   }
 };
 

misc/farbtastic/farbtastic.css

-/* $Id: farbtastic.css,v 1.4 2010/04/28 20:08:38 dries Exp $ */
 
 .farbtastic {
   position: relative;

misc/farbtastic/farbtastic.js

-// $Id: farbtastic.js,v 1.8 2010/01/25 17:02:47 dries Exp $
 (function(e){e.fn.farbtastic=function(f){e.farbtastic(this,f);return this};e.farbtastic=function(f,l){f=e(f).get(0);return f.farbtastic||(f.farbtastic=new e._farbtastic(f,l))};e._farbtastic=function(f,l){var a=this;e(f).html('<div class="farbtastic"><div class="color"></div><div class="wheel"></div><div class="overlay"></div><div class="h-marker marker"></div><div class="sl-marker marker"></div></div>');var k=e(".farbtastic",f);a.wheel=e(".wheel",f).get(0);a.radius=84;a.square=100;a.width=194;navigator.appVersion.match(/MSIE [0-6]\./)&&
 e("*",k).each(function(){if(this.currentStyle.backgroundImage!="none"){var b=this.currentStyle.backgroundImage;b=this.currentStyle.backgroundImage.substring(5,b.length-2);e(this).css({backgroundImage:"none",filter:"progid:DXImageTransform.Microsoft.AlphaImageLoader(enabled=true, sizingMethod=crop, src='"+b+"')"})}});a.linkTo=function(b){typeof a.callback=="object"&&e(a.callback).unbind("keyup",a.updateValue);a.color=null;if(typeof b=="function")a.callback=b;else if(typeof b=="object"||typeof b=="string"){a.callback=
 e(b);a.callback.bind("keyup",a.updateValue);a.callback.get(0).value&&a.setColor(a.callback.get(0).value)}return this};a.updateValue=function(){this.value&&this.value!=a.color&&a.setColor(this.value)};a.setColor=function(b){var c=a.unpack(b);if(a.color!=b&&c){a.color=b;a.rgb=c;a.hsl=a.RGBToHSL(a.rgb);a.updateDisplay()}return this};a.setHSL=function(b){a.hsl=b;a.rgb=a.HSLToRGB(b);a.color=a.pack(a.rgb);a.updateDisplay();return this};a.widgetCoords=function(b){var c=e(a.wheel).offset();return{x:b.pageX-

misc/form.js

-// $Id: form.js,v 1.15 2010/04/09 12:24:53 dries Exp $
 (function ($) {
 
 /**