/tags/Doduo/WebKitSite/blog/wp-admin/includes/plugin.php
PHP | 382 lines | 304 code | 67 blank | 11 comment | 119 complexity | 14def1545ceeeed1ed577eb19824eb2a MD5 | raw file
- <?php
- function get_plugin_data( $plugin_file ) {
- $plugin_data = implode( '', file( $plugin_file ));
- preg_match( '|Plugin Name:(.*)$|mi', $plugin_data, $plugin_name );
- preg_match( '|Plugin URI:(.*)$|mi', $plugin_data, $plugin_uri );
- preg_match( '|Description:(.*)$|mi', $plugin_data, $description );
- preg_match( '|Author:(.*)$|mi', $plugin_data, $author_name );
- preg_match( '|Author URI:(.*)$|mi', $plugin_data, $author_uri );
- if ( preg_match( "|Version:(.*)|i", $plugin_data, $version ))
- $version = trim( $version[1] );
- else
- $version = '';
- $description = wptexturize( trim( $description[1] ));
- $name = $plugin_name[1];
- $name = trim( $name );
- $plugin = $name;
- if ('' != trim($plugin_uri[1]) && '' != $name ) {
- $plugin = '<a href="' . trim( $plugin_uri[1] ) . '" title="'.__( 'Visit plugin homepage' ).'">'.$plugin.'</a>';
- }
- if ('' == $author_uri[1] ) {
- $author = trim( $author_name[1] );
- } else {
- $author = '<a href="' . trim( $author_uri[1] ) . '" title="'.__( 'Visit author homepage' ).'">' . trim( $author_name[1] ) . '</a>';
- }
- return array('Name' => $name, 'Title' => $plugin, 'Description' => $description, 'Author' => $author, 'Version' => $version);
- }
- function get_plugins() {
- global $wp_plugins;
- if ( isset( $wp_plugins ) ) {
- return $wp_plugins;
- }
- $wp_plugins = array ();
- $plugin_root = ABSPATH . PLUGINDIR;
- // Files in wp-content/plugins directory
- $plugins_dir = @ opendir( $plugin_root);
- if ( $plugins_dir ) {
- while (($file = readdir( $plugins_dir ) ) !== false ) {
- if ( substr($file, 0, 1) == '.' )
- continue;
- if ( is_dir( $plugin_root.'/'.$file ) ) {
- $plugins_subdir = @ opendir( $plugin_root.'/'.$file );
- if ( $plugins_subdir ) {
- while (($subfile = readdir( $plugins_subdir ) ) !== false ) {
- if ( substr($subfile, 0, 1) == '.' )
- continue;
- if ( substr($subfile, -4) == '.php' )
- $plugin_files[] = "$file/$subfile";
- }
- }
- } else {
- if ( substr($file, -4) == '.php' )
- $plugin_files[] = $file;
- }
- }
- }
- @closedir( $plugins_dir );
- @closedir( $plugins_subdir );
- if ( !$plugins_dir || !$plugin_files )
- return $wp_plugins;
- foreach ( $plugin_files as $plugin_file ) {
- if ( !is_readable( "$plugin_root/$plugin_file" ) )
- continue;
- $plugin_data = get_plugin_data( "$plugin_root/$plugin_file" );
- if ( empty ( $plugin_data['Name'] ) )
- continue;
- $wp_plugins[plugin_basename( $plugin_file )] = $plugin_data;
- }
- uasort( $wp_plugins, create_function( '$a, $b', 'return strnatcasecmp( $a["Name"], $b["Name"] );' ));
- return $wp_plugins;
- }
- //
- // Menu
- //
- function add_menu_page( $page_title, $menu_title, $access_level, $file, $function = '' ) {
- global $menu, $admin_page_hooks;
- $file = plugin_basename( $file );
- $menu[] = array ( $menu_title, $access_level, $file, $page_title );
- $admin_page_hooks[$file] = sanitize_title( $menu_title );
- $hookname = get_plugin_page_hookname( $file, '' );
- if (!empty ( $function ) && !empty ( $hookname ))
- add_action( $hookname, $function );
- return $hookname;
- }
- function add_submenu_page( $parent, $page_title, $menu_title, $access_level, $file, $function = '' ) {
- global $submenu;
- global $menu;
- global $_wp_real_parent_file;
- global $_wp_submenu_nopriv;
- global $_wp_menu_nopriv;
- $file = plugin_basename( $file );
- $parent = plugin_basename( $parent);
- if ( isset( $_wp_real_parent_file[$parent] ) )
- $parent = $_wp_real_parent_file[$parent];
- if ( !current_user_can( $access_level ) ) {
- $_wp_submenu_nopriv[$parent][$file] = true;
- return false;
- }
- // If the parent doesn't already have a submenu, add a link to the parent
- // as the first item in the submenu. If the submenu file is the same as the
- // parent file someone is trying to link back to the parent manually. In
- // this case, don't automatically add a link back to avoid duplication.
- if (!isset( $submenu[$parent] ) && $file != $parent ) {
- foreach ( $menu as $parent_menu ) {
- if ( $parent_menu[2] == $parent && current_user_can( $parent_menu[1] ) )
- $submenu[$parent][] = $parent_menu;
- }
- }
- $submenu[$parent][] = array ( $menu_title, $access_level, $file, $page_title );
- $hookname = get_plugin_page_hookname( $file, $parent);
- if (!empty ( $function ) && !empty ( $hookname ))
- add_action( $hookname, $function );
- return $hookname;
- }
- function add_management_page( $page_title, $menu_title, $access_level, $file, $function = '' ) {
- return add_submenu_page( 'edit.php', $page_title, $menu_title, $access_level, $file, $function );
- }
- function add_options_page( $page_title, $menu_title, $access_level, $file, $function = '' ) {
- return add_submenu_page( 'options-general.php', $page_title, $menu_title, $access_level, $file, $function );
- }
- function add_theme_page( $page_title, $menu_title, $access_level, $file, $function = '' ) {
- return add_submenu_page( 'themes.php', $page_title, $menu_title, $access_level, $file, $function );
- }
- function add_users_page( $page_title, $menu_title, $access_level, $file, $function = '' ) {
- if ( current_user_can('edit_users') )
- $parent = 'users.php';
- else
- $parent = 'profile.php';
- return add_submenu_page( $parent, $page_title, $menu_title, $access_level, $file, $function );
- }
- //
- // Pluggable Menu Support -- Private
- //
- function get_admin_page_parent() {
- global $parent_file;
- global $menu;
- global $submenu;
- global $pagenow;
- global $plugin_page;
- global $_wp_real_parent_file;
- global $_wp_menu_nopriv;
- global $_wp_submenu_nopriv;
- if ( !empty ( $parent_file ) ) {
- if ( isset( $_wp_real_parent_file[$parent_file] ) )
- $parent_file = $_wp_real_parent_file[$parent_file];
- return $parent_file;
- }
- if ( $pagenow == 'admin.php' && isset( $plugin_page ) ) {
- foreach ( $menu as $parent_menu ) {
- if ( $parent_menu[2] == $plugin_page ) {
- $parent_file = $plugin_page;
- if ( isset( $_wp_real_parent_file[$parent_file] ) )
- $parent_file = $_wp_real_parent_file[$parent_file];
- return $parent_file;
- }
- }
- if ( isset( $_wp_menu_nopriv[$plugin_page] ) ) {
- $parent_file = $plugin_page;
- if ( isset( $_wp_real_parent_file[$parent_file] ) )
- $parent_file = $_wp_real_parent_file[$parent_file];
- return $parent_file;
- }
- }
- if ( isset( $plugin_page ) && isset( $_wp_submenu_nopriv[$pagenow][$plugin_page] ) ) {
- $parent_file = $pagenow;
- if ( isset( $_wp_real_parent_file[$parent_file] ) )
- $parent_file = $_wp_real_parent_file[$parent_file];
- return $parent_file;
- }
- foreach (array_keys( $submenu ) as $parent) {
- foreach ( $submenu[$parent] as $submenu_array ) {
- if ( isset( $_wp_real_parent_file[$parent] ) )
- $parent = $_wp_real_parent_file[$parent];
- if ( $submenu_array[2] == $pagenow ) {
- $parent_file = $parent;
- return $parent;
- } else
- if ( isset( $plugin_page ) && ($plugin_page == $submenu_array[2] ) ) {
- $parent_file = $parent;
- return $parent;
- }
- }
- }
- $parent_file = '';
- return '';
- }
- function get_admin_page_title() {
- global $title;
- global $menu;
- global $submenu;
- global $pagenow;
- global $plugin_page;
- if ( isset( $title ) && !empty ( $title ) ) {
- return $title;
- }
- $hook = get_plugin_page_hook( $plugin_page, $pagenow );
- $parent = $parent1 = get_admin_page_parent();
- if ( empty ( $parent) ) {
- foreach ( $menu as $menu_array ) {
- if ( isset( $menu_array[3] ) ) {
- if ( $menu_array[2] == $pagenow ) {
- $title = $menu_array[3];
- return $menu_array[3];
- } else
- if ( isset( $plugin_page ) && ($plugin_page == $menu_array[2] ) && ($hook == $menu_array[3] ) ) {
- $title = $menu_array[3];
- return $menu_array[3];
- }
- } else {
- $title = $menu_array[0];
- return $title;
- }
- }
- } else {
- foreach (array_keys( $submenu ) as $parent) {
- foreach ( $submenu[$parent] as $submenu_array ) {
- if ( isset( $plugin_page ) &&
- ($plugin_page == $submenu_array[2] ) &&
- (($parent == $pagenow ) || ($parent == $plugin_page ) || ($plugin_page == $hook ) || (($pagenow == 'admin.php' ) && ($parent1 != $submenu_array[2] ) ) )
- ) {
- $title = $submenu_array[3];
- return $submenu_array[3];
- }
- if ( $submenu_array[2] != $pagenow || isset( $_GET['page'] ) ) // not the current page
- continue;
- if ( isset( $submenu_array[3] ) ) {
- $title = $submenu_array[3];
- return $submenu_array[3];
- } else {
- $title = $submenu_array[0];
- return $title;
- }
- }
- }
- }
- return $title;
- }
- function get_plugin_page_hook( $plugin_page, $parent_page ) {
- global $wp_filter;
- $hook = get_plugin_page_hookname( $plugin_page, $parent_page );
- if ( isset( $wp_filter[$hook] ))
- return $hook;
- else
- return null;
- }
- function get_plugin_page_hookname( $plugin_page, $parent_page ) {
- global $admin_page_hooks;
- $parent = get_admin_page_parent();
- if ( empty ( $parent_page ) || 'admin.php' == $parent_page ) {
- if ( isset( $admin_page_hooks[$plugin_page] ))
- $page_type = 'toplevel';
- else
- if ( isset( $admin_page_hooks[$parent] ))
- $page_type = $admin_page_hooks[$parent];
- } else
- if ( isset( $admin_page_hooks[$parent_page] ) ) {
- $page_type = $admin_page_hooks[$parent_page];
- } else {
- $page_type = 'admin';
- }
- $plugin_name = preg_replace( '!\.php!', '', $plugin_page );
- return $page_type.'_page_'.$plugin_name;
- }
- function user_can_access_admin_page() {
- global $pagenow;
- global $menu;
- global $submenu;
- global $_wp_menu_nopriv;
- global $_wp_submenu_nopriv;
- global $plugin_page;
- $parent = get_admin_page_parent();
- if ( isset( $_wp_submenu_nopriv[$parent][$pagenow] ) )
- return false;
- if ( isset( $plugin_page ) && isset( $_wp_submenu_nopriv[$parent][$plugin_page] ) )
- return false;
- if ( empty( $parent) ) {
- if ( isset( $_wp_menu_nopriv[$pagenow] ) )
- return false;
- if ( isset( $_wp_submenu_nopriv[$pagenow][$pagenow] ) )
- return false;
- if ( isset( $plugin_page ) && isset( $_wp_submenu_nopriv[$pagenow][$plugin_page] ) )
- return false;
- foreach (array_keys( $_wp_submenu_nopriv ) as $key ) {
- if ( isset( $_wp_submenu_nopriv[$key][$pagenow] ) )
- return false;
- if ( isset( $plugin_page ) && isset( $_wp_submenu_nopriv[$key][$plugin_page] ) )
- return false;
- }
- return true;
- }
- if ( isset( $submenu[$parent] ) ) {
- foreach ( $submenu[$parent] as $submenu_array ) {
- if ( isset( $plugin_page ) && ( $submenu_array[2] == $plugin_page ) ) {
- if ( current_user_can( $submenu_array[1] ))
- return true;
- else
- return false;
- } else if ( $submenu_array[2] == $pagenow ) {
- if ( current_user_can( $submenu_array[1] ))
- return true;
- else
- return false;
- }
- }
- }
- foreach ( $menu as $menu_array ) {
- if ( $menu_array[2] == $parent) {
- if ( current_user_can( $menu_array[1] ))
- return true;
- else
- return false;
- }
- }
- return true;
- }
- ?>