WordPress 4.5
[autoinstalls/wordpress.git] / wp-admin / plugins.php
index b9e6e7b252e1c00bcadae6b056c9cd6285232af7..4530831bc824c1bd38c370d9419e735f03ccdc9a 100644 (file)
 <?php
 <?php
-require_once('admin.php');
-
-if ( isset($_GET['action']) ) {
-       if ('activate' == $_GET['action']) {
-               check_admin_referer('activate-plugin_' . $_GET['plugin']);
-               $current = get_option('active_plugins');
-               $plugin = trim($_GET['plugin']);
-               if ( validate_file($plugin) )
-                       wp_die(__('Invalid plugin.'));
-               if ( ! file_exists(ABSPATH . PLUGINDIR . '/' . $plugin) )
-                       wp_die(__('Plugin file does not exist.'));
-               if (!in_array($plugin, $current)) {
-                       wp_redirect(add_query_arg('_error_nonce', wp_create_nonce('plugin-activation-error_' . $plugin), 'plugins.php?error=true&plugin=' . $plugin)); // we'll override this later if the plugin can be included without fatal error
-                       ob_start();
-                       @include(ABSPATH . PLUGINDIR . '/' . $plugin);
-                       $current[] = $plugin;
-                       sort($current);
-                       update_option('active_plugins', $current);
-                       do_action('activate_' . $plugin);
-                       ob_end_clean();
-               }
-               wp_redirect('plugins.php?activate=true'); // overrides the ?error=true one above
-       } elseif ('error_scrape' == $_GET['action']) {
-               $plugin = trim($_GET['plugin']);
-               check_admin_referer('plugin-activation-error_' . $plugin);
-               if ( validate_file($plugin) )
-                       wp_die(__('Invalid plugin.'));
-               if ( ! file_exists(ABSPATH . PLUGINDIR . '/' . $plugin) )
-                       wp_die(__('Plugin file does not exist.'));
-               include(ABSPATH . PLUGINDIR . '/' . $plugin);
-       } elseif ('deactivate' == $_GET['action']) {
-               check_admin_referer('deactivate-plugin_' . $_GET['plugin']);
-               $current = get_option('active_plugins');
-               array_splice($current, array_search( $_GET['plugin'], $current), 1 ); // Array-fu!
-               update_option('active_plugins', $current);
-               do_action('deactivate_' . trim( $_GET['plugin'] ));
-               wp_redirect('plugins.php?deactivate=true');
-       } elseif ($_GET['action'] == 'deactivate-all') {
-               check_admin_referer('deactivate-all');
-               $current = get_option('active_plugins');
-
-               foreach ($current as $plugin) {
-                       array_splice($current, array_search($plugin, $current), 1);
-                       do_action('deactivate_' . $plugin);
-               }
+/**
+ * Plugins administration panel.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+/** WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+if ( ! current_user_can('activate_plugins') )
+       wp_die( __( 'You do not have sufficient permissions to manage plugins for this site.' ) );
+
+$wp_list_table = _get_list_table('WP_Plugins_List_Table');
+$pagenum = $wp_list_table->get_pagenum();
+
+$action = $wp_list_table->current_action();
+
+$plugin = isset($_REQUEST['plugin']) ? $_REQUEST['plugin'] : '';
+$s = isset($_REQUEST['s']) ? urlencode( wp_unslash( $_REQUEST['s'] ) ) : '';
+
+// Clean up request URI from temporary args for screen options/paging uri's to work as expected.
+$_SERVER['REQUEST_URI'] = remove_query_arg(array('error', 'deleted', 'activate', 'activate-multi', 'deactivate', 'deactivate-multi', '_error_nonce'), $_SERVER['REQUEST_URI']);
+
+wp_enqueue_script( 'updates' );
+
+if ( $action ) {
+
+       switch ( $action ) {
+               case 'activate':
+                       if ( ! current_user_can('activate_plugins') )
+                               wp_die(__('You do not have sufficient permissions to activate plugins for this site.'));
+
+                       if ( is_multisite() && ! is_network_admin() && is_network_only_plugin( $plugin ) ) {
+                               wp_redirect( self_admin_url("plugins.php?plugin_status=$status&paged=$page&s=$s") );
+                               exit;
+                       }
+
+                       check_admin_referer('activate-plugin_' . $plugin);
+
+                       $result = activate_plugin($plugin, self_admin_url('plugins.php?error=true&plugin=' . $plugin), is_network_admin() );
+                       if ( is_wp_error( $result ) ) {
+                               if ( 'unexpected_output' == $result->get_error_code() ) {
+                                       $redirect = self_admin_url('plugins.php?error=true&charsout=' . strlen($result->get_error_data()) . '&plugin=' . $plugin . "&plugin_status=$status&paged=$page&s=$s");
+                                       wp_redirect(add_query_arg('_error_nonce', wp_create_nonce('plugin-activation-error_' . $plugin), $redirect));
+                                       exit;
+                               } else {
+                                       wp_die($result);
+                               }
+                       }
+
+                       if ( ! is_network_admin() ) {
+                               $recent = (array) get_option( 'recently_activated' );
+                               unset( $recent[ $plugin ] );
+                               update_option( 'recently_activated', $recent );
+                       } else {
+                               $recent = (array) get_site_option( 'recently_activated' );
+                               unset( $recent[ $plugin ] );
+                               update_site_option( 'recently_activated', $recent );
+                       }
+
+                       if ( isset($_GET['from']) && 'import' == $_GET['from'] ) {
+                               wp_redirect( self_admin_url("import.php?import=" . str_replace('-importer', '', dirname($plugin))) ); // overrides the ?error=true one above and redirects to the Imports page, stripping the -importer suffix
+                       } else {
+                               wp_redirect( self_admin_url("plugins.php?activate=true&plugin_status=$status&paged=$page&s=$s") ); // overrides the ?error=true one above
+                       }
+                       exit;
+
+               case 'activate-selected':
+                       if ( ! current_user_can('activate_plugins') )
+                               wp_die(__('You do not have sufficient permissions to activate plugins for this site.'));
+
+                       check_admin_referer('bulk-plugins');
+
+                       $plugins = isset( $_POST['checked'] ) ? (array) $_POST['checked'] : array();
+
+                       if ( is_network_admin() ) {
+                               foreach ( $plugins as $i => $plugin ) {
+                                       // Only activate plugins which are not already network activated.
+                                       if ( is_plugin_active_for_network( $plugin ) ) {
+                                               unset( $plugins[ $i ] );
+                                       }
+                               }
+                       } else {
+                               foreach ( $plugins as $i => $plugin ) {
+                                       // Only activate plugins which are not already active and are not network-only when on Multisite.
+                                       if ( is_plugin_active( $plugin ) || ( is_multisite() && is_network_only_plugin( $plugin ) ) ) {
+                                               unset( $plugins[ $i ] );
+                                       }
+                               }
+                       }
+
+                       if ( empty($plugins) ) {
+                               wp_redirect( self_admin_url("plugins.php?plugin_status=$status&paged=$page&s=$s") );
+                               exit;
+                       }
+
+                       activate_plugins($plugins, self_admin_url('plugins.php?error=true'), is_network_admin() );
+
+                       if ( ! is_network_admin() ) {
+                               $recent = (array) get_option('recently_activated' );
+                       } else {
+                               $recent = (array) get_site_option('recently_activated' );
+                       }
+
+                       foreach ( $plugins as $plugin ) {
+                               unset( $recent[ $plugin ] );
+                       }
+
+                       if ( ! is_network_admin() ) {
+                               update_option( 'recently_activated', $recent );
+                       } else {
+                               update_site_option( 'recently_activated', $recent );
+                       }
+
+                       wp_redirect( self_admin_url("plugins.php?activate-multi=true&plugin_status=$status&paged=$page&s=$s") );
+                       exit;
+
+               case 'update-selected' :
+
+                       check_admin_referer( 'bulk-plugins' );
+
+                       if ( isset( $_GET['plugins'] ) )
+                               $plugins = explode( ',', $_GET['plugins'] );
+                       elseif ( isset( $_POST['checked'] ) )
+                               $plugins = (array) $_POST['checked'];
+                       else
+                               $plugins = array();
+
+                       $title = __( 'Update Plugins' );
+                       $parent_file = 'plugins.php';
+
+                       wp_enqueue_script( 'updates' );
+                       require_once(ABSPATH . 'wp-admin/admin-header.php');
+
+                       echo '<div class="wrap">';
+                       echo '<h1>' . esc_html( $title ) . '</h1>';
+
+                       $url = self_admin_url('update.php?action=update-selected&amp;plugins=' . urlencode( join(',', $plugins) ));
+                       $url = wp_nonce_url($url, 'bulk-update-plugins');
+
+                       echo "<iframe src='$url' style='width: 100%; height:100%; min-height:850px;'></iframe>";
+                       echo '</div>';
+                       require_once(ABSPATH . 'wp-admin/admin-footer.php');
+                       exit;
+
+               case 'error_scrape':
+                       if ( ! current_user_can('activate_plugins') )
+                               wp_die(__('You do not have sufficient permissions to activate plugins for this site.'));
+
+                       check_admin_referer('plugin-activation-error_' . $plugin);
+
+                       $valid = validate_plugin($plugin);
+                       if ( is_wp_error($valid) )
+                               wp_die($valid);
+
+                       if ( ! WP_DEBUG ) {
+                               error_reporting( E_CORE_ERROR | E_CORE_WARNING | E_COMPILE_ERROR | E_ERROR | E_WARNING | E_PARSE | E_USER_ERROR | E_USER_WARNING | E_RECOVERABLE_ERROR );
+                       }
+
+                       @ini_set('display_errors', true); //Ensure that Fatal errors are displayed.
+                       // Go back to "sandbox" scope so we get the same errors as before
+                       plugin_sandbox_scrape( $plugin );
+                       /** This action is documented in wp-admin/includes/plugin.php */
+                       do_action( "activate_{$plugin}" );
+                       exit;
+
+               case 'deactivate':
+                       if ( ! current_user_can('activate_plugins') )
+                               wp_die(__('You do not have sufficient permissions to deactivate plugins for this site.'));
+
+                       check_admin_referer('deactivate-plugin_' . $plugin);
+
+                       if ( ! is_network_admin() && is_plugin_active_for_network( $plugin ) ) {
+                               wp_redirect( self_admin_url("plugins.php?plugin_status=$status&paged=$page&s=$s") );
+                               exit;
+                       }
+
+                       deactivate_plugins( $plugin, false, is_network_admin() );
 
 
-               update_option('active_plugins', array());
-               wp_redirect('plugins.php?deactivate-all=true');
+                       if ( ! is_network_admin() ) {
+                               update_option( 'recently_activated', array( $plugin => time() ) + (array) get_option( 'recently_activated' ) );
+                       } else {
+                               update_site_option( 'recently_activated', array( $plugin => time() ) + (array) get_site_option( 'recently_activated' ) );
+                       }
+
+                       if ( headers_sent() )
+                               echo "<meta http-equiv='refresh' content='" . esc_attr( "0;url=plugins.php?deactivate=true&plugin_status=$status&paged=$page&s=$s" ) . "' />";
+                       else
+                               wp_redirect( self_admin_url("plugins.php?deactivate=true&plugin_status=$status&paged=$page&s=$s") );
+                       exit;
+
+               case 'deactivate-selected':
+                       if ( ! current_user_can('activate_plugins') )
+                               wp_die(__('You do not have sufficient permissions to deactivate plugins for this site.'));
+
+                       check_admin_referer('bulk-plugins');
+
+                       $plugins = isset( $_POST['checked'] ) ? (array) $_POST['checked'] : array();
+                       // Do not deactivate plugins which are already deactivated.
+                       if ( is_network_admin() ) {
+                               $plugins = array_filter( $plugins, 'is_plugin_active_for_network' );
+                       } else {
+                               $plugins = array_filter( $plugins, 'is_plugin_active' );
+                               $plugins = array_diff( $plugins, array_filter( $plugins, 'is_plugin_active_for_network' ) );
+                       }
+                       if ( empty($plugins) ) {
+                               wp_redirect( self_admin_url("plugins.php?plugin_status=$status&paged=$page&s=$s") );
+                               exit;
+                       }
+
+                       deactivate_plugins( $plugins, false, is_network_admin() );
+
+                       $deactivated = array();
+                       foreach ( $plugins as $plugin ) {
+                               $deactivated[ $plugin ] = time();
+                       }
+
+                       if ( ! is_network_admin() ) {
+                               update_option( 'recently_activated', $deactivated + (array) get_option( 'recently_activated' ) );
+                       } else {
+                               update_site_option( 'recently_activated', $deactivated + (array) get_site_option( 'recently_activated' ) );
+                       }
+
+                       wp_redirect( self_admin_url("plugins.php?deactivate-multi=true&plugin_status=$status&paged=$page&s=$s") );
+                       exit;
+
+               case 'delete-selected':
+                       if ( ! current_user_can('delete_plugins') ) {
+                               wp_die(__('You do not have sufficient permissions to delete plugins for this site.'));
+                       }
+
+                       check_admin_referer('bulk-plugins');
+
+                       //$_POST = from the plugin form; $_GET = from the FTP details screen.
+                       $plugins = isset( $_REQUEST['checked'] ) ? (array) $_REQUEST['checked'] : array();
+                       if ( empty( $plugins ) ) {
+                               wp_redirect( self_admin_url("plugins.php?plugin_status=$status&paged=$page&s=$s") );
+                               exit;
+                       }
+
+                       $plugins = array_filter($plugins, 'is_plugin_inactive'); // Do not allow to delete Activated plugins.
+                       if ( empty( $plugins ) ) {
+                               wp_redirect( self_admin_url( "plugins.php?error=true&main=true&plugin_status=$status&paged=$page&s=$s" ) );
+                               exit;
+                       }
+
+                       include(ABSPATH . 'wp-admin/update.php');
+
+                       $parent_file = 'plugins.php';
+
+                       if ( ! isset($_REQUEST['verify-delete']) ) {
+                               wp_enqueue_script('jquery');
+                               require_once(ABSPATH . 'wp-admin/admin-header.php');
+                               ?>
+                       <div class="wrap">
+                               <?php
+                                       $plugin_info = array();
+                                       $have_non_network_plugins = false;
+                                       foreach ( (array) $plugins as $plugin ) {
+                                               $plugin_slug = dirname( $plugin );
+
+                                               if ( '.' == $plugin_slug ) {
+                                                       if ( $data = get_plugin_data( WP_PLUGIN_DIR . '/' . $plugin ) ) {
+                                                               $plugin_info[ $plugin ] = $data;
+                                                               $plugin_info[ $plugin ]['is_uninstallable'] = is_uninstallable_plugin( $plugin );
+                                                               if ( ! $plugin_info[ $plugin ]['Network'] ) {
+                                                                       $have_non_network_plugins = true;
+                                                               }
+                                                       }
+                                               } else {
+                                                       // Get plugins list from that folder.
+                                                       if ( $folder_plugins = get_plugins( '/' . $plugin_slug ) ) {
+                                                               foreach ( $folder_plugins as $plugin_file => $data ) {
+                                                                       $plugin_info[ $plugin_file ] = _get_plugin_data_markup_translate( $plugin_file, $data );
+                                                                       $plugin_info[ $plugin_file ]['is_uninstallable'] = is_uninstallable_plugin( $plugin );
+                                                                       if ( ! $plugin_info[ $plugin_file ]['Network'] ) {
+                                                                               $have_non_network_plugins = true;
+                                                                       }
+                                                               }
+                                                       }
+                                               }
+                                       }
+                                       $plugins_to_delete = count( $plugin_info );
+                               ?>
+                               <?php if ( 1 == $plugins_to_delete ) : ?>
+                                       <h1><?php _e( 'Delete Plugin' ); ?></h1>
+                                       <?php if ( $have_non_network_plugins && is_network_admin() ) : ?>
+                                               <div class="error"><p><strong><?php _e( 'Caution:' ); ?></strong> <?php _e( 'This plugin may be active on other sites in the network.' ); ?></p></div>
+                                       <?php endif; ?>
+                                       <p><?php _e( 'You are about to remove the following plugin:' ); ?></p>
+                               <?php else: ?>
+                                       <h1><?php _e( 'Delete Plugins' ); ?></h1>
+                                       <?php if ( $have_non_network_plugins && is_network_admin() ) : ?>
+                                               <div class="error"><p><strong><?php _e( 'Caution:' ); ?></strong> <?php _e( 'These plugins may be active on other sites in the network.' ); ?></p></div>
+                                       <?php endif; ?>
+                                       <p><?php _e( 'You are about to remove the following plugins:' ); ?></p>
+                               <?php endif; ?>
+                                       <ul class="ul-disc">
+                                               <?php
+                                               $data_to_delete = false;
+                                               foreach ( $plugin_info as $plugin ) {
+                                                       if ( $plugin['is_uninstallable'] ) {
+                                                               /* translators: 1: plugin name, 2: plugin author */
+                                                               echo '<li>', sprintf( __( '%1$s by %2$s (will also <strong>delete its data</strong>)' ), '<strong>' . $plugin['Name'] . '</strong>', '<em>' . $plugin['AuthorName'] . '</em>' ), '</li>';
+                                                               $data_to_delete = true;
+                                                       } else {
+                                                               /* translators: 1: plugin name, 2: plugin author */
+                                                               echo '<li>', sprintf( _x('%1$s by %2$s', 'plugin' ), '<strong>' . $plugin['Name'] . '</strong>', '<em>' . $plugin['AuthorName'] ) . '</em>', '</li>';
+                                                       }
+                                               }
+                                               ?>
+                                       </ul>
+                               <p><?php
+                               if ( $data_to_delete )
+                                       _e('Are you sure you wish to delete these files and data?');
+                               else
+                                       _e('Are you sure you wish to delete these files?');
+                               ?></p>
+                               <form method="post" action="<?php echo esc_url($_SERVER['REQUEST_URI']); ?>" style="display:inline;">
+                                       <input type="hidden" name="verify-delete" value="1" />
+                                       <input type="hidden" name="action" value="delete-selected" />
+                                       <?php
+                                               foreach ( (array) $plugins as $plugin ) {
+                                                       echo '<input type="hidden" name="checked[]" value="' . esc_attr( $plugin ) . '" />';
+                                               }
+                                       ?>
+                                       <?php wp_nonce_field('bulk-plugins') ?>
+                                       <?php submit_button( $data_to_delete ? __( 'Yes, delete these files and data' ) : __( 'Yes, delete these files' ), 'button', 'submit', false ); ?>
+                               </form>
+                               <?php
+                               $referer = wp_get_referer();
+                               ?>
+                               <form method="post" action="<?php echo $referer ? esc_url( $referer ) : ''; ?>" style="display:inline;">
+                                       <?php submit_button( __( 'No, return me to the plugin list' ), 'button', 'submit', false ); ?>
+                               </form>
+                       </div>
+                               <?php
+                               require_once(ABSPATH . 'wp-admin/admin-footer.php');
+                               exit;
+                       } else {
+                               $plugins_to_delete = count( $plugins );
+                       } // endif verify-delete
+
+                       $delete_result = delete_plugins( $plugins );
+
+                       set_transient('plugins_delete_result_' . $user_ID, $delete_result); //Store the result in a cache rather than a URL param due to object type & length
+                       wp_redirect( self_admin_url("plugins.php?deleted=$plugins_to_delete&plugin_status=$status&paged=$page&s=$s") );
+                       exit;
+
+               case 'clear-recent-list':
+                       if ( ! is_network_admin() ) {
+                               update_option( 'recently_activated', array() );
+                       } else {
+                               update_site_option( 'recently_activated', array() );
+                       }
+                       break;
        }
        }
-       exit;
 }
 
 }
 
-$title = __('Manage Plugins');
-require_once('admin-header.php');
+$wp_list_table->prepare_items();
 
 
-// Clean up options
-// If any plugins don't exist, axe 'em
+wp_enqueue_script('plugin-install');
+add_thickbox();
 
 
-$check_plugins = get_option('active_plugins');
+add_screen_option( 'per_page', array( 'default' => 999 ) );
 
 
-// Sanity check.  If the active plugin list is not an array, make it an
-// empty array.
-if ( !is_array($check_plugins) ) {
-       $check_plugins = array();
-       update_option('active_plugins', $check_plugins);
-}
+get_current_screen()->add_help_tab( array(
+'id'           => 'overview',
+'title'                => __('Overview'),
+'content'      =>
+       '<p>' . __('Plugins extend and expand the functionality of WordPress. Once a plugin is installed, you may activate it or deactivate it here.') . '</p>' .
+       '<p>' . sprintf(
+               /* translators: 1: Plugin Browser/Installer URL, 2: WordPress Plugin Directory URL 3: local plugin directory */
+               __( 'You can find additional plugins for your site by using the <a href="%1$s">Plugin Browser/Installer</a> functionality or by browsing the <a href="%2$s" target="_blank">WordPress Plugin Directory</a> directly and installing new plugins manually. To manually install a plugin you generally just need to upload the plugin file into your %3$s directory. Once a plugin has been installed, you can activate it here.' ),
+               'plugin-install.php',
+               'https://wordpress.org/plugins/',
+               '<code>/wp-content/plugins</code>'
+       ) . '</p>'
+) );
+get_current_screen()->add_help_tab( array(
+'id'           => 'compatibility-problems',
+'title'                => __('Troubleshooting'),
+'content'      =>
+       '<p>' . __('Most of the time, plugins play nicely with the core of WordPress and with other plugins. Sometimes, though, a plugin&#8217;s code will get in the way of another plugin, causing compatibility issues. If your site starts doing strange things, this may be the problem. Try deactivating all your plugins and re-activating them in various combinations until you isolate which one(s) caused the issue.') . '</p>' .
+       '<p>' . sprintf(
+               /* translators: WP_PLUGIN_DIR constant value */
+               __( 'If something goes wrong with a plugin and you can&#8217;t use WordPress, delete or rename that file in the %s directory and it will be automatically deactivated.' ),
+               '<code>' . WP_PLUGIN_DIR . '</code>'
+       ) . '</p>'
+) );
 
 
-// If a plugin file does not exist, remove it from the list of active
-// plugins.
-foreach ($check_plugins as $check_plugin) {
-       if (!file_exists(ABSPATH . PLUGINDIR . '/' . $check_plugin)) {
-                       $current = get_option('active_plugins');
-                       $key = array_search($check_plugin, $current);
-                       if ( false !== $key && NULL !== $key ) {
-                               unset($current[$key]);
-                               update_option('active_plugins', $current);
-                       }
+get_current_screen()->set_help_sidebar(
+       '<p><strong>' . __('For more information:') . '</strong></p>' .
+       '<p>' . __('<a href="https://codex.wordpress.org/Managing_Plugins#Plugin_Management" target="_blank">Documentation on Managing Plugins</a>') . '</p>' .
+       '<p>' . __('<a href="https://wordpress.org/support/" target="_blank">Support Forums</a>') . '</p>'
+);
+
+get_current_screen()->set_screen_reader_content( array(
+       'heading_views'      => __( 'Filter plugins list' ),
+       'heading_pagination' => __( 'Plugins list navigation' ),
+       'heading_list'       => __( 'Plugins list' ),
+) );
+
+$title = __('Plugins');
+$parent_file = 'plugins.php';
+
+require_once(ABSPATH . 'wp-admin/admin-header.php');
+
+$invalid = validate_active_plugins();
+if ( ! empty( $invalid ) ) {
+       foreach ( $invalid as $plugin_file => $error ) {
+               echo '<div id="message" class="error"><p>';
+               printf(
+                       /* translators: 1: plugin file 2: error message */
+                       __( 'The plugin %1$s has been <strong>deactivated</strong> due to an error: %2$s' ),
+                       '<code>' . esc_html( $plugin_file ) . '</code>',
+                       $error->get_error_message() );
+               echo '</p></div>';
        }
 }
 ?>
 
        }
 }
 ?>
 
-<?php if ( isset($_GET['error']) ) : ?>
-       <div id="message" class="updated fade"><p><?php _e('Plugin could not be activated because it triggered a <strong>fatal error</strong>.') ?></p>
+<?php if ( isset($_GET['error']) ) :
+
+       if ( isset( $_GET['main'] ) )
+               $errmsg = __( 'You cannot delete a plugin while it is active on the main site.' );
+       elseif ( isset($_GET['charsout']) )
+               $errmsg = sprintf(__('The plugin generated %d characters of <strong>unexpected output</strong> during activation. If you notice &#8220;headers already sent&#8221; messages, problems with syndication feeds or other issues, try deactivating or removing this plugin.'), $_GET['charsout']);
+       else
+               $errmsg = __('Plugin could not be activated because it triggered a <strong>fatal error</strong>.');
+       ?>
+       <div id="message" class="error"><p><?php echo $errmsg; ?></p>
        <?php
        <?php
-               $plugin = trim($_GET['plugin']);
-               if ( wp_verify_nonce($_GET['_error_nonce'], 'plugin-activation-error_' . $plugin) && 1 == strtolower(ini_get('display_errors'))) { ?>
-       <iframe style="border:0" width="100%" height="70px" src="<?php bloginfo('wpurl'); ?>/wp-admin/plugins.php?action=error_scrape&amp;plugin=<?php echo attribute_escape($plugin); ?>&amp;_wpnonce=<?php echo attribute_escape($_GET['_error_nonce']); ?>"></iframe>
+               if ( ! isset( $_GET['main'] ) && ! isset( $_GET['charsout'] ) && wp_verify_nonce( $_GET['_error_nonce'], 'plugin-activation-error_' . $plugin ) ) {
+                       $iframe_url = add_query_arg( array(
+                               'action'   => 'error_scrape',
+                               'plugin'   => urlencode( $plugin ),
+                               '_wpnonce' => urlencode( $_GET['_error_nonce'] ),
+                       ), admin_url( 'plugins.php' ) );
+               ?>
+               <iframe style="border:0" width="100%" height="70px" src="<?php echo esc_url( $iframe_url ); ?>"></iframe>
        <?php
                }
        ?>
        </div>
        <?php
                }
        ?>
        </div>
+<?php elseif ( isset($_GET['deleted']) ) :
+               $delete_result = get_transient( 'plugins_delete_result_' . $user_ID );
+               // Delete it once we're done.
+               delete_transient( 'plugins_delete_result_' . $user_ID );
+
+               if ( is_wp_error($delete_result) ) : ?>
+               <div id="message" class="error notice is-dismissible"><p><?php printf( __('Plugin could not be deleted due to an error: %s'), $delete_result->get_error_message() ); ?></p></div>
+               <?php else : ?>
+               <div id="message" class="updated notice is-dismissible">
+                       <p>
+                               <?php
+                               if ( 1 == (int) $_GET['deleted'] ) {
+                                       _e( 'The selected plugin has been <strong>deleted</strong>.' );
+                               } else {
+                                       _e( 'The selected plugins have been <strong>deleted</strong>.' );
+                               }
+                               ?>
+                       </p>
+               </div>
+               <?php endif; ?>
 <?php elseif ( isset($_GET['activate']) ) : ?>
 <?php elseif ( isset($_GET['activate']) ) : ?>
-       <div id="message" class="updated fade"><p><?php _e('Plugin <strong>activated</strong>.') ?></p></div>
+       <div id="message" class="updated notice is-dismissible"><p><?php _e('Plugin <strong>activated</strong>.') ?></p></div>
+<?php elseif (isset($_GET['activate-multi'])) : ?>
+       <div id="message" class="updated notice is-dismissible"><p><?php _e('Selected plugins <strong>activated</strong>.'); ?></p></div>
 <?php elseif ( isset($_GET['deactivate']) ) : ?>
 <?php elseif ( isset($_GET['deactivate']) ) : ?>
-       <div id="message" class="updated fade"><p><?php _e('Plugin <strong>deactivated</strong>.') ?></p></div>
-<?php elseif (isset($_GET['deactivate-all'])) : ?>
-       <div id="message" class="updated fade"><p><?php _e('All plugins <strong>deactivated</strong>.'); ?></p></div>
+       <div id="message" class="updated notice is-dismissible"><p><?php _e('Plugin <strong>deactivated</strong>.') ?></p></div>
+<?php elseif (isset($_GET['deactivate-multi'])) : ?>
+       <div id="message" class="updated notice is-dismissible"><p><?php _e('Selected plugins <strong>deactivated</strong>.'); ?></p></div>
+<?php elseif ( 'update-selected' == $action ) : ?>
+       <div id="message" class="updated notice is-dismissible"><p><?php _e('All selected plugins are up to date.'); ?></p></div>
 <?php endif; ?>
 
 <div class="wrap">
 <?php endif; ?>
 
 <div class="wrap">
-<h2><?php _e('Plugin Management'); ?></h2>
-<p><?php _e('Plugins extend and expand the functionality of WordPress. Once a plugin is installed, you may activate it or deactivate it here.'); ?></p>
+<h1><?php echo esc_html( $title );
+if ( ( ! is_multisite() || is_network_admin() ) && current_user_can('install_plugins') ) { ?>
+ <a href="<?php echo self_admin_url( 'plugin-install.php' ); ?>" class="page-title-action"><?php echo esc_html_x('Add New', 'plugin'); ?></a>
 <?php
 <?php
+}
 
 
-if ( get_option('active_plugins') )
-       $current_plugins = get_option('active_plugins');
-
-$plugins = get_plugins();
-
-if (empty($plugins)) {
-       echo '<p>';
-       _e("Couldn&#8217;t open plugins directory or there are no plugins available."); // TODO: make more helpful
-       echo '</p>';
-} else {
+if ( strlen( $s ) ) {
+       /* translators: %s: search keywords */
+       printf( '<span class="subtitle">' . __( 'Search results for &#8220;%s&#8221;' ) . '</span>', esc_html( urldecode( $s ) ) );
+}
 ?>
 ?>
-<table class="widefat plugins">
-       <thead>
-       <tr>
-               <th><?php _e('Plugin'); ?></th>
-               <th style="text-align: center"><?php _e('Version'); ?></th>
-               <th><?php _e('Description'); ?></th>
-               <th style="text-align: center"<?php if ( current_user_can('edit_plugins') ) echo ' colspan="2"'; ?>><?php _e('Action'); ?></th>
-       </tr>
-       </thead>
-<?php
-       $style = '';
+</h1>
 
 
-       foreach($plugins as $plugin_file => $plugin_data) {
-               $style = ('class="alternate"' == $style|| 'class="alternate active"' == $style) ? '' : 'alternate';
-
-               if (!empty($current_plugins) && in_array($plugin_file, $current_plugins)) {
-                       $toggle = "<a href='" . wp_nonce_url("plugins.php?action=deactivate&amp;plugin=$plugin_file", 'deactivate-plugin_' . $plugin_file) . "' title='".__('Deactivate this plugin')."' class='delete'>".__('Deactivate')."</a>";
-                       $plugin_data['Title'] = "<strong>{$plugin_data['Title']}</strong>";
-                       $style .= $style == 'alternate' ? ' active' : 'active';
-               } else {
-                       $toggle = "<a href='" . wp_nonce_url("plugins.php?action=activate&amp;plugin=$plugin_file", 'activate-plugin_' . $plugin_file) . "' title='".__('Activate this plugin')."' class='edit'>".__('Activate')."</a>";
-               }
-
-               $plugins_allowedtags = array('a' => array('href' => array(),'title' => array()),'abbr' => array('title' => array()),'acronym' => array('title' => array()),'code' => array(),'em' => array(),'strong' => array());
-
-               // Sanitize all displayed data
-               $plugin_data['Title']       = wp_kses($plugin_data['Title'], $plugins_allowedtags);
-               $plugin_data['Version']     = wp_kses($plugin_data['Version'], $plugins_allowedtags);
-               $plugin_data['Description'] = wp_kses($plugin_data['Description'], $plugins_allowedtags);
-               $plugin_data['Author']      = wp_kses($plugin_data['Author'], $plugins_allowedtags);
-
-               if ( $style != '' )
-                       $style = 'class="' . $style . '"';
-               if ( is_writable(ABSPATH . PLUGINDIR . '/' . $plugin_file) )
-                       $edit = "<a href='plugin-editor.php?file=$plugin_file' title='".__('Open this file in the Plugin Editor')."' class='edit'>".__('Edit')."</a>";
-               else
-                       $edit = '';
-
-               $author = ( empty($plugin_data['Author']) ) ? '' :  ' <cite>' . sprintf( __('By %s'), $plugin_data['Author'] ) . '.</cite>';
-
-               echo "
-       <tr $style>
-               <td class='name'>{$plugin_data['Title']}</td>
-               <td class='vers'>{$plugin_data['Version']}</td>
-               <td class='desc'><p>{$plugin_data['Description']}$author</p></td>
-               <td class='togl'>$toggle</td>";
-               if ( current_user_can('edit_plugins') )
-               echo "
-               <td>$edit</td>";
-               echo"
-       </tr>";
-       do_action( 'after_plugin_row', $plugin_file );
-       }
+<?php
+/**
+ * Fires before the plugins list table is rendered.
+ *
+ * This hook also fires before the plugins list table is rendered in the Network Admin.
+ *
+ * Please note: The 'active' portion of the hook name does not refer to whether the current
+ * view is for active plugins, but rather all plugins actively-installed.
+ *
+ * @since 3.0.0
+ *
+ * @param array $plugins_all An array containing all installed plugins.
+ */
+do_action( 'pre_current_active_plugins', $plugins['all'] );
 ?>
 
 ?>
 
-<tr>
-       <td colspan="3">&nbsp;</td>
-       <td colspan="2" style="width:12em;"><a href="<?php echo wp_nonce_url('plugins.php?action=deactivate-all', 'deactivate-all'); ?>" class="delete"><?php _e('Deactivate All Plugins'); ?></a></td>
-</tr>
+<?php $wp_list_table->views(); ?>
 
 
-</table>
-<?php
-}
-?>
+<form method="get">
+<?php $wp_list_table->search_box( __( 'Search Installed Plugins' ), 'plugin' ); ?>
+</form>
 
 
-<p><?php printf(__('If something goes wrong with a plugin and you can&#8217;t use WordPress, delete or rename that file in the <code>%s</code> directory and it will be automatically deactivated.'), PLUGINDIR); ?></p>
+<form method="post" id="bulk-action-form">
 
 
-<h2><?php _e('Get More Plugins'); ?></h2>
-<p><?php _e('You can find additional plugins for your site in the <a href="http://wordpress.org/extend/plugins/">WordPress plugin directory</a>.'); ?></p>
-<p><?php printf(__('To install a plugin you generally just need to upload the plugin file into your <code>%s</code> directory. Once a plugin is uploaded, you may activate it here.'), PLUGINDIR); ?></p>
+<input type="hidden" name="plugin_status" value="<?php echo esc_attr($status) ?>" />
+<input type="hidden" name="paged" value="<?php echo esc_attr($page) ?>" />
+
+<?php $wp_list_table->display(); ?>
+</form>
 
 </div>
 
 <?php
 
 </div>
 
 <?php
-include('admin-footer.php');
-?>
+wp_print_request_filesystem_credentials_modal();
+
+include(ABSPATH . 'wp-admin/admin-footer.php');