Wordpress 3.7

[autoinstalls/wordpress.git] / wp-admin / admin.php

diff --git a/wp-admin/admin.php b/wp-admin/admin.php
index f8405f9a09406c3ba940eeddaa9b84425bd54e49..85979327011b8f06f83b882d7a7bb7d6d78c84b7 100644 (file)
--- a/wp-admin/admin.php
+++ b/wp-admin/admin.php
@@ -7,69 +7,154 @@
  */
 
 /**
  */
 
 /**

- * In WordPress Administration Panels
+ * In WordPress Administration Screens

  *
  *

- * @since unknown
+ * @since 2.3.2

  */
  */

-if ( !defined('WP_ADMIN') )
-       define('WP_ADMIN', TRUE);
+if ( ! defined('WP_ADMIN') )
+       define('WP_ADMIN', true);

 
 

-if ( defined('ABSPATH') )
-       require_once(ABSPATH . 'wp-load.php');
-else
-       require_once('../wp-load.php');
+if ( ! defined('WP_NETWORK_ADMIN') )
+       define('WP_NETWORK_ADMIN', false);
+
+if ( ! defined('WP_USER_ADMIN') )
+       define('WP_USER_ADMIN', false);
+
+if ( ! WP_NETWORK_ADMIN && ! WP_USER_ADMIN ) {
+       define('WP_BLOG_ADMIN', true);
+}
+
+if ( isset($_GET['import']) && !defined('WP_LOAD_IMPORTERS') )
+       define('WP_LOAD_IMPORTERS', true);
+
+require_once(dirname(dirname(__FILE__)) . '/wp-load.php');
+
+nocache_headers();

 
 if ( get_option('db_upgraded') ) {
 
 if ( get_option('db_upgraded') ) {

-       $wp_rewrite->flush_rules();
+       flush_rewrite_rules();

        update_option( 'db_upgraded',  false );
 
        /**
        update_option( 'db_upgraded',  false );
 
        /**

-        * Runs on the next page load after successful upgrade
+        * Fires on the next page load after a successful DB upgrade.
+        *
+        * @since 2.8.0
+        */
+       do_action( 'after_db_upgrade' );
+} elseif ( get_option('db_version') != $wp_db_version && empty($_POST) ) {
+       if ( !is_multisite() ) {
+               wp_redirect( admin_url( 'upgrade.php?_wp_http_referer=' . urlencode( wp_unslash( $_SERVER['REQUEST_URI'] ) ) ) );
+               exit;
+
+       /**
+        * Filter whether to attempt to perform the multisite DB upgrade routine.
+        *
+        * In single site, the user would be redirected to wp-admin/upgrade.php.
+        * In multisite, it is automatically fired, but only when this filter
+        * returns true.
+        *
+        * If the network is 50 sites or less, it will run every time. Otherwise,
+        * it will throttle itself to reduce load.

         *
         *

-        * @since 2.8
+        * @since 3.0.0
+        *
+        * @param bool true Whether to perform the Multisite upgrade routine. Default true.

         */
         */

-       do_action('after_db_upgrade');
-} elseif ( get_option('db_version') != $wp_db_version ) {
-       wp_redirect(admin_url('upgrade.php?_wp_http_referer=' . urlencode(stripslashes($_SERVER['REQUEST_URI']))));
-       exit;
+       } elseif ( apply_filters( 'do_mu_upgrade', true ) ) {
+               $c = get_blog_count();
+               // If 50 or fewer sites, run every time. Else, run "about ten percent" of the time. Shh, don't check that math.
+               if ( $c <= 50 || ( $c > 50 && mt_rand( 0, (int)( $c / 50 ) ) == 1 ) ) {
+                       require_once( ABSPATH . WPINC . '/http.php' );
+                       $response = wp_remote_get( admin_url( 'upgrade.php?step=1' ), array( 'timeout' => 120, 'httpversion' => '1.1' ) );
+                       /**
+                        * Fires after the multisite DB upgrade is complete.
+                        *
+                        * @since 3.0.0
+                        *
+                        * @param array|WP_Error $response The upgrade response array or WP_Error on failure.
+                        */
+                       do_action( 'after_mu_upgrade', $response );
+                       unset($response);
+               }
+               unset($c);
+       }

 }
 
 require_once(ABSPATH . 'wp-admin/includes/admin.php');
 
 auth_redirect();
 
 }
 
 require_once(ABSPATH . 'wp-admin/includes/admin.php');
 
 auth_redirect();
 

-nocache_headers();
-
-update_category_cache();
+// Schedule trash collection
+if ( !wp_next_scheduled('wp_scheduled_delete') && !defined('WP_INSTALLING') )
+       wp_schedule_event(time(), 'daily', 'wp_scheduled_delete');

 
 set_screen_options();
 
 
 set_screen_options();
 

-$posts_per_page = get_option('posts_per_page');

 $date_format = get_option('date_format');
 $time_format = get_option('time_format');
 
 $date_format = get_option('date_format');
 $time_format = get_option('time_format');
 

-wp_reset_vars(array('profile', 'redirect', 'redirect_url', 'a', 'popuptitle', 'popupurl', 'text', 'trackback', 'pingback'));
-
-wp_admin_css_color('classic', __('Blue'), admin_url("css/colors-classic.css"), array('#073447', '#21759B', '#EAF3FA', '#BBD8E7'));
-wp_admin_css_color('fresh', __('Gray'), admin_url("css/colors-fresh.css"), array('#464646', '#6D6D6D', '#F1F1F1', '#DFDFDF'));
-

 wp_enqueue_script( 'common' );
 wp_enqueue_script( 'common' );

-wp_enqueue_script( 'jquery-color' );

 
 $editing = false;
 
 
 $editing = false;
 

-if (isset($_GET['page'])) {
-       $plugin_page = stripslashes($_GET['page']);
+if ( isset($_GET['page']) ) {
+       $plugin_page = wp_unslash( $_GET['page'] );

        $plugin_page = plugin_basename($plugin_page);
 }
 
        $plugin_page = plugin_basename($plugin_page);
 }
 

-require(ABSPATH . 'wp-admin/menu.php');
+if ( isset( $_REQUEST['post_type'] ) && post_type_exists( $_REQUEST['post_type'] ) )
+       $typenow = $_REQUEST['post_type'];
+else
+       $typenow = '';

 
 

-do_action('admin_init');
+if ( isset( $_REQUEST['taxonomy'] ) && taxonomy_exists( $_REQUEST['taxonomy'] ) )
+       $taxnow = $_REQUEST['taxonomy'];
+else
+       $taxnow = '';

 
 

-// Handle plugin admin pages.
-if (isset($plugin_page)) {
-       if( ! $page_hook = get_plugin_page_hook($plugin_page, $pagenow) ) {
+if ( WP_NETWORK_ADMIN )
+       require(ABSPATH . 'wp-admin/network/menu.php');
+elseif ( WP_USER_ADMIN )
+       require(ABSPATH . 'wp-admin/user/menu.php');
+else
+       require(ABSPATH . 'wp-admin/menu.php');
+
+if ( current_user_can( 'manage_options' ) ) {
+       /**
+        * Filter the maximum memory limit available for administration screens.
+        *
+        * This only applies to administrators, who may require more memory for tasks like updates.
+        * Memory limits when processing images (uploaded or edited by users of any role) are
+        * handled separately.
+        *
+        * The WP_MAX_MEMORY_LIMIT constant specifically defines the maximum memory limit available
+        * when in the administration back-end. The default is 256M, or 256 megabytes of memory.
+        *
+        * @since 3.0.0
+        *
+        * @param string 'WP_MAX_MEMORY_LIMIT' The maximum WordPress memory limit. Default 256M.
+        */
+       @ini_set( 'memory_limit', apply_filters( 'admin_memory_limit', WP_MAX_MEMORY_LIMIT ) );
+}
+
+/**
+ * Fires as an admin screen or script is being initialized.
+ *
+ * Note, this does not just run on user-facing admin screens.
+ * It runs on admin-ajax.php and admin-post.php as well.
+ *
+ * This is roughly analgous to the more general 'init' hook, which fires earlier.
+ *
+ * @since 2.5.0
+ */
+do_action( 'admin_init' );
+
+if ( isset($plugin_page) ) {
+       if ( !empty($typenow) )
+               $the_parent = $pagenow . '?post_type=' . $typenow;
+       else
+               $the_parent = $pagenow;
+       if ( ! $page_hook = get_plugin_page_hook($plugin_page, $the_parent) ) {

                $page_hook = get_plugin_page_hook($plugin_page, $plugin_page);
                // backwards compatibility for plugins using add_management_page
                if ( empty( $page_hook ) && 'edit.php' == $pagenow && '' != get_plugin_page_hook($plugin_page, 'tools.php') ) {
                $page_hook = get_plugin_page_hook($plugin_page, $plugin_page);
                // backwards compatibility for plugins using add_management_page
                if ( empty( $page_hook ) && 'edit.php' == $pagenow && '' != get_plugin_page_hook($plugin_page, 'tools.php') ) {


@@ -78,31 +163,86 @@ if (isset($plugin_page)) {
                                $query_string = $_SERVER[ 'QUERY_STRING' ];
                        else
                                $query_string = 'page=' . $plugin_page;
                                $query_string = $_SERVER[ 'QUERY_STRING' ];
                        else
                                $query_string = 'page=' . $plugin_page;

-                       wp_redirect( 'tools.php?' . $query_string );
+                       wp_redirect( admin_url('tools.php?' . $query_string) );

                        exit;
                }
        }
                        exit;
                }
        }

+       unset($the_parent);
+}

 
 

+$hook_suffix = '';
+if ( isset($page_hook) )
+       $hook_suffix = $page_hook;
+else if ( isset($plugin_page) )
+       $hook_suffix = $plugin_page;
+else if ( isset($pagenow) )
+       $hook_suffix = $pagenow;
+
+set_current_screen();
+
+// Handle plugin admin pages.
+if ( isset($plugin_page) ) {

        if ( $page_hook ) {
        if ( $page_hook ) {

-               do_action('load-' . $page_hook);
+               /**
+                * Fires before a particular screen is loaded.
+                *
+                * The load-* hook fires in a number of contexts. This hook is for plugin screens
+                * where a callback is provided when the screen is registered.
+                *
+                * The dynamic portion of the hook name, $page_hook, refers to a mixture of plugin
+                * page information including:
+                * 1. The page type. If the plugin page is registered as a submenu page, such as for
+                *    Settings, the page type would be 'settings'. Otherwise the type is 'toplevel'.
+                * 2. A separator of '_page_'.
+                * 3. The plugin basename minus the file extension.
+                *
+                * Together, the three parts form the $page_hook. Citing the example above,
+                * the hook name used would be 'load-settings_page_pluginbasename'.
+                *
+                * @see get_plugin_page_hook()
+                *
+                * @since 2.1.0
+                */
+               do_action( 'load-' . $page_hook );

                if (! isset($_GET['noheader']))
                        require_once(ABSPATH . 'wp-admin/admin-header.php');
 
                if (! isset($_GET['noheader']))
                        require_once(ABSPATH . 'wp-admin/admin-header.php');
 

-               do_action($page_hook);
+               /**
+                * Used to call the registered callback for a plugin screen.
+                *
+                * @access private
+                *
+                * @since 1.5.0
+                */
+               do_action( $page_hook );

        } else {
        } else {

-               if ( validate_file($plugin_page) ) {
+               if ( validate_file($plugin_page) )

                        wp_die(__('Invalid plugin page'));
                        wp_die(__('Invalid plugin page'));

-               }

 
 

-               if (! ( file_exists(WP_PLUGIN_DIR . "/$plugin_page") && is_file(WP_PLUGIN_DIR . "/$plugin_page") ) )
+               if ( !( file_exists(WP_PLUGIN_DIR . "/$plugin_page") && is_file(WP_PLUGIN_DIR . "/$plugin_page") ) && !( file_exists(WPMU_PLUGIN_DIR . "/$plugin_page") && is_file(WPMU_PLUGIN_DIR . "/$plugin_page") ) )

                        wp_die(sprintf(__('Cannot load %s.'), htmlentities($plugin_page)));
 
                        wp_die(sprintf(__('Cannot load %s.'), htmlentities($plugin_page)));
 

-               do_action('load-' . $plugin_page);
-
-               if (! isset($_GET['noheader']))
+               /**
+                * Fires before a particular screen is loaded.
+                *
+                * The load-* hook fires in a number of contexts. This hook is for plugin screens
+                * where the file to load is directly included, rather than the use of a function.
+                *
+                * The dynamic portion of the hook name, $plugin_page, refers to the plugin basename.
+                *
+                * @see plugin_basename()
+                *
+                * @since 1.5.0
+                */
+               do_action( 'load-' . $plugin_page );
+
+               if ( !isset($_GET['noheader']))

                        require_once(ABSPATH . 'wp-admin/admin-header.php');
 
                        require_once(ABSPATH . 'wp-admin/admin-header.php');
 

-               include(WP_PLUGIN_DIR . "/$plugin_page");
+               if ( file_exists(WPMU_PLUGIN_DIR . "/$plugin_page") )
+                       include(WPMU_PLUGIN_DIR . "/$plugin_page");
+               else
+                       include(WP_PLUGIN_DIR . "/$plugin_page");

        }
 
        include(ABSPATH . 'wp-admin/admin-footer.php');
        }
 
        include(ABSPATH . 'wp-admin/admin-footer.php');


@@ -116,19 +256,24 @@ if (isset($plugin_page)) {
                wp_die(__('You are not allowed to import.'));
 
        if ( validate_file($importer) ) {
                wp_die(__('You are not allowed to import.'));
 
        if ( validate_file($importer) ) {

-               wp_die(__('Invalid importer.'));
+               wp_redirect( admin_url( 'import.php?invalid=' . $importer ) );
+               exit;

        }
 
        }
 

-       // Allow plugins to define importers as well
-       if ( !isset($wp_importers) || !isset($wp_importers[$importer]) || ! is_callable($wp_importers[$importer][2]))
-       {
-               if (! file_exists(ABSPATH . "wp-admin/import/$importer.php"))
-               {
-                       wp_die(__('Cannot load importer.'));
-               }
-               include(ABSPATH . "wp-admin/import/$importer.php");
+       if ( ! isset($wp_importers[$importer]) || ! is_callable($wp_importers[$importer][2]) ) {
+               wp_redirect( admin_url( 'import.php?invalid=' . $importer ) );
+               exit;

        }
 
        }
 

+       /**
+        * Fires before an importer screen is loaded.
+        *
+        * The dynamic portion of the hook name, $importer, refers to the importer slug.
+        *
+        * @since 3.5.0
+        */
+       do_action( 'load-importer-' . $importer );
+

        $parent_file = 'tools.php';
        $submenu_file = 'import.php';
        $title = __('Import');
        $parent_file = 'tools.php';
        $submenu_file = 'import.php';
        $title = __('Import');


@@ -140,20 +285,63 @@ if (isset($plugin_page)) {
 
        define('WP_IMPORTING', true);
 
 
        define('WP_IMPORTING', true);
 

+       /**
+        * Whether to filter imported data through kses on import.
+        *
+        * Multisite uses this hook to filter all data through kses by default,
+        * as a super administrator may be assisting an untrusted user.
+        *
+        * @since 3.1.0
+        *
+        * @param bool false Whether to force data to be filtered through kses. Default false.
+        */
+       if ( apply_filters( 'force_filtered_html_on_import', false ) )
+               kses_init_filters();  // Always filter imported data with kses on multisite.
+

        call_user_func($wp_importers[$importer][2]);
 
        include(ABSPATH . 'wp-admin/admin-footer.php');
 
        // Make sure rules are flushed
        call_user_func($wp_importers[$importer][2]);
 
        include(ABSPATH . 'wp-admin/admin-footer.php');
 
        // Make sure rules are flushed

-       global $wp_rewrite;
-       $wp_rewrite->flush_rules(false);
+       flush_rewrite_rules(false);

 
        exit();
 } else {
 
        exit();
 } else {

-       do_action("load-$pagenow");
+       /**
+        * Fires before a particular screen is loaded.
+        *
+        * The load-* hook fires in a number of contexts. This hook is for core screens.
+        *
+        * The dynamic portion of the hook name, $pagenow, is a global variable
+        * referring to the filename of the current page, such as 'admin.php',
+        * 'post-new.php' etc. A complete hook for the latter would be 'load-post-new.php'.
+        *
+        * @since 2.1.0
+        */
+       do_action( 'load-' . $pagenow );
+       // Backwards compatibility with old load-page-new.php, load-page.php,
+       // and load-categories.php actions.
+       if ( $typenow == 'page' ) {
+               if ( $pagenow == 'post-new.php' )
+                       do_action( 'load-page-new.php' );
+               elseif ( $pagenow == 'post.php' )
+                       do_action( 'load-page.php' );
+       }  elseif ( $pagenow == 'edit-tags.php' ) {
+               if ( $taxnow == 'category' )
+                       do_action( 'load-categories.php' );
+               elseif ( $taxnow == 'link_category' )
+                       do_action( 'load-edit-link-categories.php' );
+       }

 }
 
 }
 

-if ( !empty($_REQUEST['action']) )
-       do_action('admin_action_' . $_REQUEST['action']);
-
-?>
+if ( ! empty( $_REQUEST['action'] ) ) {
+       /**
+        * Fires when an 'action' request variable is sent.
+        *
+        * The dynamic portion of the hook name, $_REQUEST['action'],
+        * refers to the action derived from the GET or POST request.
+        *
+        * @since 2.6.0
+        */
+       do_action( 'admin_action_' . $_REQUEST['action'] );
+}