wp/wp-admin/admin.php
changeset 0 d970ebf37754
child 5 5e2f62d02dcd
equal deleted inserted replaced
-1:000000000000 0:d970ebf37754
       
     1 <?php
       
     2 /**
       
     3  * WordPress Administration Bootstrap
       
     4  *
       
     5  * @package WordPress
       
     6  * @subpackage Administration
       
     7  */
       
     8 
       
     9 /**
       
    10  * In WordPress Administration Screens
       
    11  *
       
    12  * @since 2.3.2
       
    13  */
       
    14 if ( ! defined('WP_ADMIN') )
       
    15 	define('WP_ADMIN', true);
       
    16 
       
    17 if ( ! defined('WP_NETWORK_ADMIN') )
       
    18 	define('WP_NETWORK_ADMIN', false);
       
    19 
       
    20 if ( ! defined('WP_USER_ADMIN') )
       
    21 	define('WP_USER_ADMIN', false);
       
    22 
       
    23 if ( ! WP_NETWORK_ADMIN && ! WP_USER_ADMIN ) {
       
    24 	define('WP_BLOG_ADMIN', true);
       
    25 }
       
    26 
       
    27 if ( isset($_GET['import']) && !defined('WP_LOAD_IMPORTERS') )
       
    28 	define('WP_LOAD_IMPORTERS', true);
       
    29 
       
    30 require_once(dirname(dirname(__FILE__)) . '/wp-load.php');
       
    31 
       
    32 nocache_headers();
       
    33 
       
    34 if ( get_option('db_upgraded') ) {
       
    35 	flush_rewrite_rules();
       
    36 	update_option( 'db_upgraded',  false );
       
    37 
       
    38 	/**
       
    39 	 * Fires on the next page load after a successful DB upgrade.
       
    40 	 *
       
    41 	 * @since 2.8.0
       
    42 	 */
       
    43 	do_action( 'after_db_upgrade' );
       
    44 } elseif ( get_option('db_version') != $wp_db_version && empty($_POST) ) {
       
    45 	if ( !is_multisite() ) {
       
    46 		wp_redirect( admin_url( 'upgrade.php?_wp_http_referer=' . urlencode( wp_unslash( $_SERVER['REQUEST_URI'] ) ) ) );
       
    47 		exit;
       
    48 
       
    49 	/**
       
    50 	 * Filter whether to attempt to perform the multisite DB upgrade routine.
       
    51 	 *
       
    52 	 * In single site, the user would be redirected to wp-admin/upgrade.php.
       
    53 	 * In multisite, it is automatically fired, but only when this filter
       
    54 	 * returns true.
       
    55 	 *
       
    56 	 * If the network is 50 sites or less, it will run every time. Otherwise,
       
    57 	 * it will throttle itself to reduce load.
       
    58 	 *
       
    59 	 * @since 3.0.0
       
    60 	 *
       
    61 	 * @param bool true Whether to perform the Multisite upgrade routine. Default true.
       
    62 	 */
       
    63 	} elseif ( apply_filters( 'do_mu_upgrade', true ) ) {
       
    64 		$c = get_blog_count();
       
    65 		// If 50 or fewer sites, run every time. Else, run "about ten percent" of the time. Shh, don't check that math.
       
    66 		if ( $c <= 50 || ( $c > 50 && mt_rand( 0, (int)( $c / 50 ) ) == 1 ) ) {
       
    67 			require_once( ABSPATH . WPINC . '/http.php' );
       
    68 			$response = wp_remote_get( admin_url( 'upgrade.php?step=1' ), array( 'timeout' => 120, 'httpversion' => '1.1' ) );
       
    69 			/**
       
    70 			 * Fires after the multisite DB upgrade is complete.
       
    71 			 *
       
    72 			 * @since 3.0.0
       
    73 			 *
       
    74 			 * @param array|WP_Error $response The upgrade response array or WP_Error on failure.
       
    75 			 */
       
    76 			do_action( 'after_mu_upgrade', $response );
       
    77 			unset($response);
       
    78 		}
       
    79 		unset($c);
       
    80 	}
       
    81 }
       
    82 
       
    83 require_once(ABSPATH . 'wp-admin/includes/admin.php');
       
    84 
       
    85 auth_redirect();
       
    86 
       
    87 // Schedule trash collection
       
    88 if ( !wp_next_scheduled('wp_scheduled_delete') && !defined('WP_INSTALLING') )
       
    89 	wp_schedule_event(time(), 'daily', 'wp_scheduled_delete');
       
    90 
       
    91 set_screen_options();
       
    92 
       
    93 $date_format = get_option('date_format');
       
    94 $time_format = get_option('time_format');
       
    95 
       
    96 wp_enqueue_script( 'common' );
       
    97 
       
    98 $editing = false;
       
    99 
       
   100 if ( isset($_GET['page']) ) {
       
   101 	$plugin_page = wp_unslash( $_GET['page'] );
       
   102 	$plugin_page = plugin_basename($plugin_page);
       
   103 }
       
   104 
       
   105 if ( isset( $_REQUEST['post_type'] ) && post_type_exists( $_REQUEST['post_type'] ) )
       
   106 	$typenow = $_REQUEST['post_type'];
       
   107 else
       
   108 	$typenow = '';
       
   109 
       
   110 if ( isset( $_REQUEST['taxonomy'] ) && taxonomy_exists( $_REQUEST['taxonomy'] ) )
       
   111 	$taxnow = $_REQUEST['taxonomy'];
       
   112 else
       
   113 	$taxnow = '';
       
   114 
       
   115 if ( WP_NETWORK_ADMIN )
       
   116 	require(ABSPATH . 'wp-admin/network/menu.php');
       
   117 elseif ( WP_USER_ADMIN )
       
   118 	require(ABSPATH . 'wp-admin/user/menu.php');
       
   119 else
       
   120 	require(ABSPATH . 'wp-admin/menu.php');
       
   121 
       
   122 if ( current_user_can( 'manage_options' ) ) {
       
   123 	/**
       
   124 	 * Filter the maximum memory limit available for administration screens.
       
   125 	 *
       
   126 	 * This only applies to administrators, who may require more memory for tasks like updates.
       
   127 	 * Memory limits when processing images (uploaded or edited by users of any role) are
       
   128 	 * handled separately.
       
   129 	 *
       
   130 	 * The WP_MAX_MEMORY_LIMIT constant specifically defines the maximum memory limit available
       
   131 	 * when in the administration back-end. The default is 256M, or 256 megabytes of memory.
       
   132 	 *
       
   133 	 * @since 3.0.0
       
   134 	 *
       
   135 	 * @param string 'WP_MAX_MEMORY_LIMIT' The maximum WordPress memory limit. Default 256M.
       
   136 	 */
       
   137 	@ini_set( 'memory_limit', apply_filters( 'admin_memory_limit', WP_MAX_MEMORY_LIMIT ) );
       
   138 }
       
   139 
       
   140 /**
       
   141  * Fires as an admin screen or script is being initialized.
       
   142  *
       
   143  * Note, this does not just run on user-facing admin screens.
       
   144  * It runs on admin-ajax.php and admin-post.php as well.
       
   145  *
       
   146  * This is roughly analgous to the more general 'init' hook, which fires earlier.
       
   147  *
       
   148  * @since 2.5.0
       
   149  */
       
   150 do_action( 'admin_init' );
       
   151 
       
   152 if ( isset($plugin_page) ) {
       
   153 	if ( !empty($typenow) )
       
   154 		$the_parent = $pagenow . '?post_type=' . $typenow;
       
   155 	else
       
   156 		$the_parent = $pagenow;
       
   157 	if ( ! $page_hook = get_plugin_page_hook($plugin_page, $the_parent) ) {
       
   158 		$page_hook = get_plugin_page_hook($plugin_page, $plugin_page);
       
   159 		// backwards compatibility for plugins using add_management_page
       
   160 		if ( empty( $page_hook ) && 'edit.php' == $pagenow && '' != get_plugin_page_hook($plugin_page, 'tools.php') ) {
       
   161 			// There could be plugin specific params on the URL, so we need the whole query string
       
   162 			if ( !empty($_SERVER[ 'QUERY_STRING' ]) )
       
   163 				$query_string = $_SERVER[ 'QUERY_STRING' ];
       
   164 			else
       
   165 				$query_string = 'page=' . $plugin_page;
       
   166 			wp_redirect( admin_url('tools.php?' . $query_string) );
       
   167 			exit;
       
   168 		}
       
   169 	}
       
   170 	unset($the_parent);
       
   171 }
       
   172 
       
   173 $hook_suffix = '';
       
   174 if ( isset($page_hook) )
       
   175 	$hook_suffix = $page_hook;
       
   176 else if ( isset($plugin_page) )
       
   177 	$hook_suffix = $plugin_page;
       
   178 else if ( isset($pagenow) )
       
   179 	$hook_suffix = $pagenow;
       
   180 
       
   181 set_current_screen();
       
   182 
       
   183 // Handle plugin admin pages.
       
   184 if ( isset($plugin_page) ) {
       
   185 	if ( $page_hook ) {
       
   186 		/**
       
   187 		 * Fires before a particular screen is loaded.
       
   188 		 *
       
   189 		 * The load-* hook fires in a number of contexts. This hook is for plugin screens
       
   190 		 * where a callback is provided when the screen is registered.
       
   191 		 *
       
   192 		 * The dynamic portion of the hook name, $page_hook, refers to a mixture of plugin
       
   193 		 * page information including:
       
   194 		 * 1. The page type. If the plugin page is registered as a submenu page, such as for
       
   195 		 *    Settings, the page type would be 'settings'. Otherwise the type is 'toplevel'.
       
   196 		 * 2. A separator of '_page_'.
       
   197 		 * 3. The plugin basename minus the file extension.
       
   198 		 *
       
   199 		 * Together, the three parts form the $page_hook. Citing the example above,
       
   200 		 * the hook name used would be 'load-settings_page_pluginbasename'.
       
   201 		 *
       
   202 		 * @see get_plugin_page_hook()
       
   203 		 *
       
   204 		 * @since 2.1.0
       
   205 		 */
       
   206 		do_action( 'load-' . $page_hook );
       
   207 		if (! isset($_GET['noheader']))
       
   208 			require_once(ABSPATH . 'wp-admin/admin-header.php');
       
   209 
       
   210 		/**
       
   211 		 * Used to call the registered callback for a plugin screen.
       
   212 		 *
       
   213 		 * @access private
       
   214 		 *
       
   215 		 * @since 1.5.0
       
   216 		 */
       
   217 		do_action( $page_hook );
       
   218 	} else {
       
   219 		if ( validate_file($plugin_page) )
       
   220 			wp_die(__('Invalid plugin page'));
       
   221 
       
   222 		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") ) )
       
   223 			wp_die(sprintf(__('Cannot load %s.'), htmlentities($plugin_page)));
       
   224 
       
   225 		/**
       
   226 		 * Fires before a particular screen is loaded.
       
   227 		 *
       
   228 		 * The load-* hook fires in a number of contexts. This hook is for plugin screens
       
   229 		 * where the file to load is directly included, rather than the use of a function.
       
   230 		 *
       
   231 		 * The dynamic portion of the hook name, $plugin_page, refers to the plugin basename.
       
   232 		 *
       
   233 		 * @see plugin_basename()
       
   234 		 *
       
   235 		 * @since 1.5.0
       
   236 		 */
       
   237 		do_action( 'load-' . $plugin_page );
       
   238 
       
   239 		if ( !isset($_GET['noheader']))
       
   240 			require_once(ABSPATH . 'wp-admin/admin-header.php');
       
   241 
       
   242 		if ( file_exists(WPMU_PLUGIN_DIR . "/$plugin_page") )
       
   243 			include(WPMU_PLUGIN_DIR . "/$plugin_page");
       
   244 		else
       
   245 			include(WP_PLUGIN_DIR . "/$plugin_page");
       
   246 	}
       
   247 
       
   248 	include(ABSPATH . 'wp-admin/admin-footer.php');
       
   249 
       
   250 	exit();
       
   251 } else if (isset($_GET['import'])) {
       
   252 
       
   253 	$importer = $_GET['import'];
       
   254 
       
   255 	if ( ! current_user_can('import') )
       
   256 		wp_die(__('You are not allowed to import.'));
       
   257 
       
   258 	if ( validate_file($importer) ) {
       
   259 		wp_redirect( admin_url( 'import.php?invalid=' . $importer ) );
       
   260 		exit;
       
   261 	}
       
   262 
       
   263 	if ( ! isset($wp_importers[$importer]) || ! is_callable($wp_importers[$importer][2]) ) {
       
   264 		wp_redirect( admin_url( 'import.php?invalid=' . $importer ) );
       
   265 		exit;
       
   266 	}
       
   267 
       
   268 	/**
       
   269 	 * Fires before an importer screen is loaded.
       
   270 	 *
       
   271 	 * The dynamic portion of the hook name, $importer, refers to the importer slug.
       
   272 	 *
       
   273 	 * @since 3.5.0
       
   274 	 */
       
   275 	do_action( 'load-importer-' . $importer );
       
   276 
       
   277 	$parent_file = 'tools.php';
       
   278 	$submenu_file = 'import.php';
       
   279 	$title = __('Import');
       
   280 
       
   281 	if (! isset($_GET['noheader']))
       
   282 		require_once(ABSPATH . 'wp-admin/admin-header.php');
       
   283 
       
   284 	require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
       
   285 
       
   286 	define('WP_IMPORTING', true);
       
   287 
       
   288 	/**
       
   289 	 * Whether to filter imported data through kses on import.
       
   290 	 *
       
   291 	 * Multisite uses this hook to filter all data through kses by default,
       
   292 	 * as a super administrator may be assisting an untrusted user.
       
   293 	 *
       
   294 	 * @since 3.1.0
       
   295 	 *
       
   296 	 * @param bool false Whether to force data to be filtered through kses. Default false.
       
   297 	 */
       
   298 	if ( apply_filters( 'force_filtered_html_on_import', false ) )
       
   299 		kses_init_filters();  // Always filter imported data with kses on multisite.
       
   300 
       
   301 	call_user_func($wp_importers[$importer][2]);
       
   302 
       
   303 	include(ABSPATH . 'wp-admin/admin-footer.php');
       
   304 
       
   305 	// Make sure rules are flushed
       
   306 	flush_rewrite_rules(false);
       
   307 
       
   308 	exit();
       
   309 } else {
       
   310 	/**
       
   311 	 * Fires before a particular screen is loaded.
       
   312 	 *
       
   313 	 * The load-* hook fires in a number of contexts. This hook is for core screens.
       
   314 	 *
       
   315 	 * The dynamic portion of the hook name, $pagenow, is a global variable
       
   316 	 * referring to the filename of the current page, such as 'admin.php',
       
   317 	 * 'post-new.php' etc. A complete hook for the latter would be 'load-post-new.php'.
       
   318 	 *
       
   319 	 * @since 2.1.0
       
   320 	 */
       
   321 	do_action( 'load-' . $pagenow );
       
   322 	// Backwards compatibility with old load-page-new.php, load-page.php,
       
   323 	// and load-categories.php actions.
       
   324 	if ( $typenow == 'page' ) {
       
   325 		if ( $pagenow == 'post-new.php' )
       
   326 			do_action( 'load-page-new.php' );
       
   327 		elseif ( $pagenow == 'post.php' )
       
   328 			do_action( 'load-page.php' );
       
   329 	}  elseif ( $pagenow == 'edit-tags.php' ) {
       
   330 		if ( $taxnow == 'category' )
       
   331 			do_action( 'load-categories.php' );
       
   332 		elseif ( $taxnow == 'link_category' )
       
   333 			do_action( 'load-edit-link-categories.php' );
       
   334 	}
       
   335 }
       
   336 
       
   337 if ( ! empty( $_REQUEST['action'] ) ) {
       
   338 	/**
       
   339 	 * Fires when an 'action' request variable is sent.
       
   340 	 *
       
   341 	 * The dynamic portion of the hook name, $_REQUEST['action'],
       
   342 	 * refers to the action derived from the GET or POST request.
       
   343 	 *
       
   344 	 * @since 2.6.0
       
   345 	 */
       
   346 	do_action( 'admin_action_' . $_REQUEST['action'] );
       
   347 }