<?php

/**

 * 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($_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']);

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 );

			}

			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 ) {

						unset( $plugins[ $i ] );

				}

			} else {

				foreach ( $plugins as $i => $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' );

				foreach ( $plugins as $plugin )

					unset( $recent[ $plugin ] );

				update_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';

			require_once(ABSPATH . 'wp-admin/admin-header.php');

			echo '<div class="wrap">';

			echo '<h2>' . esc_html( $title ) . '</h2>';

			$url = self_admin_url('update.php?action=update-selected&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

			function plugin_sandbox_scrape( $plugin ) {

				include( WP_PLUGIN_DIR . '/' . $plugin );

			}

			plugin_sandbox_scrape( $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() );

			if ( ! is_network_admin() )

				update_option( 'recently_activated', array( $plugin => time() ) + (array) get_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() );

			if ( ! is_network_admin() ) {

				$deactivated = array();

				foreach ( $plugins as $plugin )

					$deactivated[ $plugin ] = time();

				update_option( 'recently_activated', $deactivated + (array) get_option( 'recently_activated' ) );

			}

			wp_redirect( self_admin_url("plugins.php?deactivate-multi=true&plugin_status=$status&paged=$page&s=$s") );

			exit;

		case 'delete-selected':

				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

					$files_to_delete = $plugin_info = array();

					$have_non_network_plugins = false;

					foreach ( (array) $plugins as $plugin ) {

							$files_to_delete[] = WP_PLUGIN_DIR . '/' . $plugin;

								$plugin_info[ $plugin ] = $data;

								$plugin_info[ $plugin ]['is_uninstallable'] = is_uninstallable_plugin( $plugin );

									$have_non_network_plugins = true;

							}

						} else {

							if ( $files ) {

							}

								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 );

										$have_non_network_plugins = true;

								}

							}

						}

					}

					$plugins_to_delete = count( $plugin_info );

				?>

				<?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( __( '<strong>%1$s</strong> by <em>%2$s</em> (will also <strong>delete its data</strong>)' ), esc_html($plugin['Name']), esc_html($plugin['AuthorName']) ), '</li>';

								$data_to_delete = true;

							} else {

								/* translators: 1: plugin name, 2: plugin author */

								echo '<li>', sprintf( __('<strong>%1$s</strong> by <em>%2$s</em>' ), esc_html($plugin['Name']), esc_html($plugin['AuthorName']) ), '</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

					?>

					<?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 submit_button( __( 'No, Return me to the plugin list' ), 'button', 'submit', false ); ?>

				</form>

				<p><a href="#" onclick="jQuery('#files-list').toggle(); return false;"><?php _e('Click to view entire list of files which will be deleted'); ?></a></p>

				<div id="files-list" style="display:none;">

					<ul class="code">

					<?php

					?>

					</ul>

				</div>

			</div>

				<?php

				require_once(ABSPATH . 'wp-admin/admin-footer.php');

				exit;

			} //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=true&plugin_status=$status&paged=$page&s=$s") );

			exit;

		case 'clear-recent-list':

			if ( ! is_network_admin() )

				update_option( 'recently_activated', array() );

			break;

	}

}

$wp_list_table->prepare_items();

wp_enqueue_script('plugin-install');

add_thickbox();

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>' .

) );

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( __('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.'), WP_PLUGIN_DIR) . '</p>'

) );