Wordpress 4.6
[autoinstalls/wordpress.git] / wp-admin / plugins.php
index 21db39d01954e56b263ac62c41d23cdad082c392..1d462381935d360336bf9bc84c7e90548b89a0fc 100644 (file)
 <?php
-require_once('admin.php');
-
-if ( isset($_GET['action']) ) {
-       if ('activate' == $_GET['action']) {
-               check_admin_referer('activate-plugin_' . $_GET['plugin']);
-               $current = get_settings('active_plugins');
-               if (!in_array($_GET['plugin'], $current)) {
-                       $current[] = trim( $_GET['plugin'] );
-                       sort($current);
-                       update_option('active_plugins', $current);
-                       include(ABSPATH . 'wp-content/plugins/' . trim( $_GET['plugin'] ));
-                       do_action('activate_' . trim( $_GET['plugin'] ));
-               }
-               wp_redirect('plugins.php?activate=true');
-       } else if ('deactivate' == $_GET['action']) {
-               check_admin_referer('deactivate-plugin_' . $_GET['plugin']);
-               $current = get_settings('active_plugins');
-               array_splice($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');
-       }
-       exit;
-}
+/**
+ * Plugins administration panel.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
 
-$title = __('Manage Plugins');
-require_once('admin-header.php');
+/** WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
-// Clean up options
-// If any plugins don't exist, axe 'em
+if ( ! current_user_can('activate_plugins') )
+       wp_die( __( 'Sorry, you are not allowed to manage plugins for this site.' ) );
 
-$check_plugins = get_settings('active_plugins');
+$wp_list_table = _get_list_table('WP_Plugins_List_Table');
+$pagenum = $wp_list_table->get_pagenum();
 
-// 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', $check_plugins);        
-}
+$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(__('Sorry, you are not allowed 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(__('Sorry, you are not allowed 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(__('Sorry, you are not allowed 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(__('Sorry, you are not allowed 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() );
+
+                       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 a plugin file does not exist, remove it from the list of active
-// plugins.
-foreach ($check_plugins as $check_plugin) {
-       if (!file_exists(ABSPATH . 'wp-content/plugins/' . $check_plugin)) {
-                       $current = get_settings('active_plugins');
-                       $key = array_search($check_plugin, $current);
-                       if ( false !== $key && NULL !== $key ) {
-                               unset($current[$key]);
-                               update_option('active_plugins', $current);
+                       if ( headers_sent() )
+                               echo "<meta http-equiv='refresh' content='" . esc_attr( "0;url=plugins.php?deactivate=true&plugin_status=$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(__('Sorry, you are not allowed 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(__('Sorry, you are not allowed 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;
        }
 }
-?>
 
-<?php if (isset($_GET['activate'])) : ?>
-<div id="message" class="updated fade"><p><?php _e('Plugin <strong>activated</strong>.') ?></p>
-</div>
-<?php endif; ?>
-<?php if (isset($_GET['deactivate'])) : ?>
-<div id="message" class="updated fade"><p><?php _e('Plugin <strong>deactivated</strong>.') ?></p>
-</div>
-<?php endif; ?>
+$wp_list_table->prepare_items();
 
-<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>
-<?php
+wp_enqueue_script('plugin-install');
+add_thickbox();
 
-if ( get_settings('active_plugins') )
-       $current_plugins = get_settings('active_plugins');
+add_screen_option( 'per_page', array( 'default' => 999 ) );
 
-$plugins = get_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>' . __( 'The search for installed plugins will search for terms in their name, description, or author.' ) . ' <span id="live-search-desc" class="hide-if-no-js">' . __( 'The search results will be updated as you type.' ) . '</span></p>' .
+       '<p>' . sprintf(
+               /* translators: %s: WordPress Plugin Directory URL */
+               __( 'If you would like to see more plugins to choose from, click on the &#8220;Add New&#8221; button and you will be able to browse or search for additional plugins from the <a href="%s" target="_blank">WordPress Plugin Directory</a>. Plugins in the WordPress Plugin Directory are designed and developed by third parties, and are compatible with the license WordPress uses. Oh, and they&#8217;re free!' ),
+               'https://wordpress.org/plugins/'
+       ) . '</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 (empty($plugins)) {
-       echo '<p>';
-       _e("Couldn't open plugins directory or there are no plugins available."); // TODO: make more helpful
-       echo '</p>';
-} else {
-?>
-<table width="100%" cellpadding="3" cellspacing="3">
-       <tr>
-               <th><?php _e('Plugin'); ?></th>
-               <th><?php _e('Version'); ?></th>
-               <th><?php _e('Description'); ?></th>
-               <th><?php _e('Action'); ?></th>
-       </tr>
-<?php
-       $style = '';
+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>'
+);
 
-       foreach($plugins as $plugin_file => $plugin_data) {
-               $style = ('class="alternate"' == $style|| 'class="alternate active"' == $style) ? '' : 'alternate';
+get_current_screen()->set_screen_reader_content( array(
+       'heading_views'      => __( 'Filter plugins list' ),
+       'heading_pagination' => __( 'Plugins list navigation' ),
+       'heading_list'       => __( 'Plugins list' ),
+) );
 
-               if (!empty($current_plugins) && in_array($plugin_file, $current_plugins)) {
-                       $action = "<a href='" . wp_nonce_url("plugins.php?action=deactivate&amp;plugin=$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 {
-                       $action = "<a href='" . wp_nonce_url("plugins.php?action=activate&amp;plugin=$plugin_file", 'activate-plugin_' . $plugin_file) . "' title='".__('Activate this plugin')."' class='edit'>".__('Activate')."</a>";
-               }
-               $plugin_data['Description'] = wp_kses($plugin_data['Description'], array('a' => array('href' => array(),'title' => array()),'abbr' => array('title' => array()),'acronym' => array('title' => array()),'code' => array(),'em' => array(),'strong' => array()) ); ;
-               if ($style != '') $style = 'class="' . $style . '"';
-               echo "
-       <tr $style>
-               <td class='name'>{$plugin_data['Title']}</td>
-               <td class='vers'>{$plugin_data['Version']}</td>
-               <td class='desc'>{$plugin_data['Description']} <cite>".sprintf(__('By %s'), $plugin_data['Author']).".</cite></td>
-               <td class='togl'>$action</td>
-       </tr>";
+$title = __('Plugins');
+$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>';
        }
+}
 ?>
 
-</table>
+<?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
+               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( $iframe_url ); ?>"></iframe>
+       <?php
+               }
+       ?>
+       </div>
+<?php elseif ( isset($_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']) ) : ?>
+       <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']) ) : ?>
+       <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">
+<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
 }
+
+if ( strlen( $s ) ) {
+       /* translators: %s: search keywords */
+       printf( '<span class="subtitle">' . __( 'Search results for &#8220;%s&#8221;' ) . '</span>', esc_html( urldecode( $s ) ) );
+}
 ?>
+</h1>
 
-<p><?php _e('If something goes wrong with a plugin and you can&#8217;t use WordPress, delete or rename that file in the <code>wp-content/plugins</code> directory and it will be automatically deactivated.'); ?></p>
+<?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'] );
+?>
 
-<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>. To install a plugin you generally just need to upload the plugin file into your <code>wp-content/plugins</code> directory. Once a plugin is uploaded, you may activate it here.'); ?></p>
+<?php $wp_list_table->views(); ?>
 
+<form class="search-form search-plugins" method="get">
+<?php $wp_list_table->search_box( __( 'Search Installed Plugins' ), 'plugin' ); ?>
+</form>
+
+<form method="post" id="bulk-action-form">
+
+<input type="hidden" name="plugin_status" value="<?php echo esc_attr($status) ?>" />
+<input type="hidden" name="paged" value="<?php echo esc_attr($page) ?>" />
+
+<?php $wp_list_table->display(); ?>
+</form>
+
+       <span class="spinner"></span>
 </div>
 
 <?php
-include('admin-footer.php');
-?>
+wp_print_request_filesystem_credentials_modal();
+wp_print_admin_notice_templates();
+wp_print_update_row_templates();
+
+include(ABSPATH . 'wp-admin/admin-footer.php');