wp/wp-admin/admin.php
changeset 0 d970ebf37754
child 5 5e2f62d02dcd
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/wp/wp-admin/admin.php	Wed Nov 06 03:21:17 2013 +0000
@@ -0,0 +1,347 @@
+<?php
+/**
+ * WordPress Administration Bootstrap
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+/**
+ * In WordPress Administration Screens
+ *
+ * @since 2.3.2
+ */
+if ( ! defined('WP_ADMIN') )
+	define('WP_ADMIN', true);
+
+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') ) {
+	flush_rewrite_rules();
+	update_option( 'db_upgraded',  false );
+
+	/**
+	 * 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 3.0.0
+	 *
+	 * @param bool true Whether to perform the Multisite upgrade routine. Default true.
+	 */
+	} 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($c);
+	}
+}
+
+require_once(ABSPATH . 'wp-admin/includes/admin.php');
+
+auth_redirect();
+
+// Schedule trash collection
+if ( !wp_next_scheduled('wp_scheduled_delete') && !defined('WP_INSTALLING') )
+	wp_schedule_event(time(), 'daily', 'wp_scheduled_delete');
+
+set_screen_options();
+
+$date_format = get_option('date_format');
+$time_format = get_option('time_format');
+
+wp_enqueue_script( 'common' );
+
+$editing = false;
+
+if ( isset($_GET['page']) ) {
+	$plugin_page = wp_unslash( $_GET['page'] );
+	$plugin_page = plugin_basename($plugin_page);
+}
+
+if ( isset( $_REQUEST['post_type'] ) && post_type_exists( $_REQUEST['post_type'] ) )
+	$typenow = $_REQUEST['post_type'];
+else
+	$typenow = '';
+
+if ( isset( $_REQUEST['taxonomy'] ) && taxonomy_exists( $_REQUEST['taxonomy'] ) )
+	$taxnow = $_REQUEST['taxonomy'];
+else
+	$taxnow = '';
+
+if ( WP_NETWORK_ADMIN )
+	require(ABSPATH . 'wp-admin/network/menu.php');
+elseif ( WP_USER_ADMIN )
+	require(ABSPATH . 'wp-admin/user/menu.php');
+else
+	require(ABSPATH . 'wp-admin/menu.php');
+
+if ( current_user_can( 'manage_options' ) ) {
+	/**
+	 * Filter the maximum memory limit available for administration screens.
+	 *
+	 * This only applies to administrators, who may require more memory for tasks like updates.
+	 * Memory limits when processing images (uploaded or edited by users of any role) are
+	 * handled separately.
+	 *
+	 * The WP_MAX_MEMORY_LIMIT constant specifically defines the maximum memory limit available
+	 * when in the administration back-end. The default is 256M, or 256 megabytes of memory.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param string 'WP_MAX_MEMORY_LIMIT' The maximum WordPress memory limit. Default 256M.
+	 */
+	@ini_set( 'memory_limit', apply_filters( 'admin_memory_limit', WP_MAX_MEMORY_LIMIT ) );
+}
+
+/**
+ * Fires as an admin screen or script is being initialized.
+ *
+ * Note, this does not just run on user-facing admin screens.
+ * It runs on admin-ajax.php and admin-post.php as well.
+ *
+ * This is roughly analgous to the more general 'init' hook, which fires earlier.
+ *
+ * @since 2.5.0
+ */
+do_action( 'admin_init' );
+
+if ( isset($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') ) {
+			// There could be plugin specific params on the URL, so we need the whole query string
+			if ( !empty($_SERVER[ 'QUERY_STRING' ]) )
+				$query_string = $_SERVER[ 'QUERY_STRING' ];
+			else
+				$query_string = 'page=' . $plugin_page;
+			wp_redirect( admin_url('tools.php?' . $query_string) );
+			exit;
+		}
+	}
+	unset($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 ) {
+		/**
+		 * 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');
+
+		/**
+		 * Used to call the registered callback for a plugin screen.
+		 *
+		 * @access private
+		 *
+		 * @since 1.5.0
+		 */
+		do_action( $page_hook );
+	} else {
+		if ( validate_file($plugin_page) )
+			wp_die(__('Invalid 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)));
+
+		/**
+		 * 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');
+
+		if ( file_exists(WPMU_PLUGIN_DIR . "/$plugin_page") )
+			include(WPMU_PLUGIN_DIR . "/$plugin_page");
+		else
+			include(WP_PLUGIN_DIR . "/$plugin_page");
+	}
+
+	include(ABSPATH . 'wp-admin/admin-footer.php');
+
+	exit();
+} else if (isset($_GET['import'])) {
+
+	$importer = $_GET['import'];
+
+	if ( ! current_user_can('import') )
+		wp_die(__('You are not allowed to import.'));
+
+	if ( validate_file($importer) ) {
+		wp_redirect( admin_url( 'import.php?invalid=' . $importer ) );
+		exit;
+	}
+
+	if ( ! isset($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';
+	$title = __('Import');
+
+	if (! isset($_GET['noheader']))
+		require_once(ABSPATH . 'wp-admin/admin-header.php');
+
+	require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
+
+	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
+	flush_rewrite_rules(false);
+
+	exit();
+} else {
+	/**
+	 * 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'] ) ) {
+	/**
+	 * 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'] );
+}