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/wp-admin/ -> update.php (source)

   1  <?php
   2  /**
   3   * Update/Install Plugin/Theme administration panel.
   4   *
   5   * @package WordPress
   6   * @subpackage Administration
   7   */
   8  
   9  if ( ! defined( 'IFRAME_REQUEST' )
  10      && isset( $_GET['action'] ) && in_array( $_GET['action'], array( 'update-selected', 'activate-plugin', 'update-selected-themes' ), true )
  11  ) {
  12      define( 'IFRAME_REQUEST', true );
  13  }
  14  
  15  /** WordPress Administration Bootstrap */
  16  require_once  __DIR__ . '/admin.php';
  17  
  18  require_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
  19  
  20  wp_enqueue_script( 'wp-a11y' );
  21  
  22  if ( isset( $_GET['action'] ) ) {
  23      $plugin = isset( $_REQUEST['plugin'] ) ? trim( $_REQUEST['plugin'] ) : '';
  24      $theme  = isset( $_REQUEST['theme'] ) ? urldecode( $_REQUEST['theme'] ) : '';
  25      $action = isset( $_REQUEST['action'] ) ? $_REQUEST['action'] : '';
  26  
  27      if ( 'update-selected' === $action ) {
  28          if ( ! current_user_can( 'update_plugins' ) ) {
  29              wp_die( __( 'Sorry, you are not allowed to update plugins for this site.' ) );
  30          }
  31  
  32          check_admin_referer( 'bulk-update-plugins' );
  33  
  34          if ( isset( $_GET['plugins'] ) ) {
  35              $plugins = explode( ',', stripslashes( $_GET['plugins'] ) );
  36          } elseif ( isset( $_POST['checked'] ) ) {
  37              $plugins = (array) $_POST['checked'];
  38          } else {
  39              $plugins = array();
  40          }
  41  
  42          $plugins = array_map( 'urldecode', $plugins );
  43  
  44          $url   = 'update.php?action=update-selected&amp;plugins=' . urlencode( implode( ',', $plugins ) );
  45          $nonce = 'bulk-update-plugins';
  46  
  47          wp_enqueue_script( 'updates' );
  48          iframe_header();
  49  
  50          $upgrader = new Plugin_Upgrader( new Bulk_Plugin_Upgrader_Skin( compact( 'nonce', 'url' ) ) );
  51          $upgrader->bulk_upgrade( $plugins );
  52  
  53          iframe_footer();
  54  
  55      } elseif ( 'upgrade-plugin' === $action ) {
  56          if ( ! current_user_can( 'update_plugins' ) ) {
  57              wp_die( __( 'Sorry, you are not allowed to update plugins for this site.' ) );
  58          }
  59  
  60          check_admin_referer( 'upgrade-plugin_' . $plugin );
  61  
  62          // Used in the HTML title tag.
  63          $title        = __( 'Update Plugin' );
  64          $parent_file  = 'plugins.php';
  65          $submenu_file = 'plugins.php';
  66  
  67          wp_enqueue_script( 'updates' );
  68          require_once ABSPATH . 'wp-admin/admin-header.php';
  69  
  70          $nonce = 'upgrade-plugin_' . $plugin;
  71          $url   = 'update.php?action=upgrade-plugin&plugin=' . urlencode( $plugin );
  72  
  73          $upgrader = new Plugin_Upgrader( new Plugin_Upgrader_Skin( compact( 'title', 'nonce', 'url', 'plugin' ) ) );
  74          $upgrader->upgrade( $plugin );
  75  
  76          require_once ABSPATH . 'wp-admin/admin-footer.php';
  77  
  78      } elseif ( 'activate-plugin' === $action ) {
  79          if ( ! current_user_can( 'update_plugins' ) ) {
  80              wp_die( __( 'Sorry, you are not allowed to update plugins for this site.' ) );
  81          }
  82  
  83          check_admin_referer( 'activate-plugin_' . $plugin );
  84          if ( ! isset( $_GET['failure'] ) && ! isset( $_GET['success'] ) ) {
  85              wp_redirect( admin_url( 'update.php?action=activate-plugin&failure=true&plugin=' . urlencode( $plugin ) . '&_wpnonce=' . $_GET['_wpnonce'] ) );
  86              activate_plugin( $plugin, '', ! empty( $_GET['networkwide'] ), true );
  87              wp_redirect( admin_url( 'update.php?action=activate-plugin&success=true&plugin=' . urlencode( $plugin ) . '&_wpnonce=' . $_GET['_wpnonce'] ) );
  88              die();
  89          }
  90          iframe_header( __( 'Plugin Reactivation' ), true );
  91          if ( isset( $_GET['success'] ) ) {
  92              echo '<p>' . __( 'Plugin reactivated successfully.' ) . '</p>';
  93          }
  94  
  95          if ( isset( $_GET['failure'] ) ) {
  96              echo '<p>' . __( 'Plugin failed to reactivate due to a fatal error.' ) . '</p>';
  97  
  98              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 );
  99              ini_set( 'display_errors', true ); // Ensure that fatal errors are displayed.
 100              wp_register_plugin_realpath( WP_PLUGIN_DIR . '/' . $plugin );
 101              include WP_PLUGIN_DIR . '/' . $plugin;
 102          }
 103          iframe_footer();
 104      } elseif ( 'install-plugin' === $action ) {
 105  
 106          if ( ! current_user_can( 'install_plugins' ) ) {
 107              wp_die( __( 'Sorry, you are not allowed to install plugins on this site.' ) );
 108          }
 109  
 110          include_once ABSPATH . 'wp-admin/includes/plugin-install.php'; // For plugins_api().
 111  
 112          check_admin_referer( 'install-plugin_' . $plugin );
 113          $api = plugins_api(
 114              'plugin_information',
 115              array(
 116                  'slug'   => $plugin,
 117                  'fields' => array(
 118                      'sections' => false,
 119                  ),
 120              )
 121          );
 122  
 123          if ( is_wp_error( $api ) ) {
 124              wp_die( $api );
 125          }
 126  
 127          // Used in the HTML title tag.
 128          $title        = __( 'Plugin Installation' );
 129          $parent_file  = 'plugins.php';
 130          $submenu_file = 'plugin-install.php';
 131  
 132          require_once ABSPATH . 'wp-admin/admin-header.php';
 133  
 134          /* translators: %s: Plugin name and version. */
 135          $title = sprintf( __( 'Installing Plugin: %s' ), $api->name . ' ' . $api->version );
 136          $nonce = 'install-plugin_' . $plugin;
 137          $url   = 'update.php?action=install-plugin&plugin=' . urlencode( $plugin );
 138          if ( isset( $_GET['from'] ) ) {
 139              $url .= '&from=' . urlencode( stripslashes( $_GET['from'] ) );
 140          }
 141  
 142          $type = 'web'; // Install plugin type, From Web or an Upload.
 143  
 144          $upgrader = new Plugin_Upgrader( new Plugin_Installer_Skin( compact( 'title', 'url', 'nonce', 'plugin', 'api' ) ) );
 145          $upgrader->install( $api->download_link );
 146  
 147          require_once ABSPATH . 'wp-admin/admin-footer.php';
 148  
 149      } elseif ( 'upload-plugin' === $action ) {
 150  
 151          if ( ! current_user_can( 'upload_plugins' ) ) {
 152              wp_die( __( 'Sorry, you are not allowed to install plugins on this site.' ) );
 153          }
 154  
 155          check_admin_referer( 'plugin-upload' );
 156  
 157          $file_upload = new File_Upload_Upgrader( 'pluginzip', 'package' );
 158  
 159          // Used in the HTML title tag.
 160          $title        = __( 'Upload Plugin' );
 161          $parent_file  = 'plugins.php';
 162          $submenu_file = 'plugin-install.php';
 163  
 164          require_once ABSPATH . 'wp-admin/admin-header.php';
 165  
 166          /* translators: %s: File name. */
 167          $title = sprintf( __( 'Installing plugin from uploaded file: %s' ), esc_html( basename( $file_upload->filename ) ) );
 168          $nonce = 'plugin-upload';
 169          $url   = add_query_arg( array( 'package' => $file_upload->id ), 'update.php?action=upload-plugin' );
 170          $type  = 'upload'; // Install plugin type, From Web or an Upload.
 171  
 172          $overwrite = isset( $_GET['overwrite'] ) ? sanitize_text_field( $_GET['overwrite'] ) : '';
 173          $overwrite = in_array( $overwrite, array( 'update-plugin', 'downgrade-plugin' ), true ) ? $overwrite : '';
 174  
 175          $upgrader = new Plugin_Upgrader( new Plugin_Installer_Skin( compact( 'type', 'title', 'nonce', 'url', 'overwrite' ) ) );
 176          $result   = $upgrader->install( $file_upload->package, array( 'overwrite_package' => $overwrite ) );
 177  
 178          if ( $result || is_wp_error( $result ) ) {
 179              $file_upload->cleanup();
 180          }
 181  
 182          require_once ABSPATH . 'wp-admin/admin-footer.php';
 183  
 184      } elseif ( 'upload-plugin-cancel-overwrite' === $action ) {
 185          if ( ! current_user_can( 'upload_plugins' ) ) {
 186              wp_die( __( 'Sorry, you are not allowed to install plugins on this site.' ) );
 187          }
 188  
 189          check_admin_referer( 'plugin-upload-cancel-overwrite' );
 190  
 191          // Make sure the attachment still exists, or File_Upload_Upgrader will call wp_die()
 192          // that shows a generic "Please select a file" error.
 193          if ( ! empty( $_GET['package'] ) ) {
 194              $attachment_id = (int) $_GET['package'];
 195  
 196              if ( get_post( $attachment_id ) ) {
 197                  $file_upload = new File_Upload_Upgrader( 'pluginzip', 'package' );
 198                  $file_upload->cleanup();
 199              }
 200          }
 201  
 202          wp_redirect( self_admin_url( 'plugin-install.php' ) );
 203          exit;
 204      } elseif ( 'upgrade-theme' === $action ) {
 205  
 206          if ( ! current_user_can( 'update_themes' ) ) {
 207              wp_die( __( 'Sorry, you are not allowed to update themes for this site.' ) );
 208          }
 209  
 210          check_admin_referer( 'upgrade-theme_' . $theme );
 211  
 212          wp_enqueue_script( 'updates' );
 213  
 214          // Used in the HTML title tag.
 215          $title        = __( 'Update Theme' );
 216          $parent_file  = 'themes.php';
 217          $submenu_file = 'themes.php';
 218  
 219          require_once ABSPATH . 'wp-admin/admin-header.php';
 220  
 221          $nonce = 'upgrade-theme_' . $theme;
 222          $url   = 'update.php?action=upgrade-theme&theme=' . urlencode( $theme );
 223  
 224          $upgrader = new Theme_Upgrader( new Theme_Upgrader_Skin( compact( 'title', 'nonce', 'url', 'theme' ) ) );
 225          $upgrader->upgrade( $theme );
 226  
 227          require_once ABSPATH . 'wp-admin/admin-footer.php';
 228      } elseif ( 'update-selected-themes' === $action ) {
 229          if ( ! current_user_can( 'update_themes' ) ) {
 230              wp_die( __( 'Sorry, you are not allowed to update themes for this site.' ) );
 231          }
 232  
 233          check_admin_referer( 'bulk-update-themes' );
 234  
 235          if ( isset( $_GET['themes'] ) ) {
 236              $themes = explode( ',', stripslashes( $_GET['themes'] ) );
 237          } elseif ( isset( $_POST['checked'] ) ) {
 238              $themes = (array) $_POST['checked'];
 239          } else {
 240              $themes = array();
 241          }
 242  
 243          $themes = array_map( 'urldecode', $themes );
 244  
 245          $url   = 'update.php?action=update-selected-themes&amp;themes=' . urlencode( implode( ',', $themes ) );
 246          $nonce = 'bulk-update-themes';
 247  
 248          wp_enqueue_script( 'updates' );
 249          iframe_header();
 250  
 251          $upgrader = new Theme_Upgrader( new Bulk_Theme_Upgrader_Skin( compact( 'nonce', 'url' ) ) );
 252          $upgrader->bulk_upgrade( $themes );
 253  
 254          iframe_footer();
 255      } elseif ( 'install-theme' === $action ) {
 256  
 257          if ( ! current_user_can( 'install_themes' ) ) {
 258              wp_die( __( 'Sorry, you are not allowed to install themes on this site.' ) );
 259          }
 260  
 261          include_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php'; // For themes_api().
 262  
 263          check_admin_referer( 'install-theme_' . $theme );
 264          $api = themes_api(
 265              'theme_information',
 266              array(
 267                  'slug'   => $theme,
 268                  'fields' => array(
 269                      'sections' => false,
 270                      'tags'     => false,
 271                  ),
 272              )
 273          ); // Save on a bit of bandwidth.
 274  
 275          if ( is_wp_error( $api ) ) {
 276              wp_die( $api );
 277          }
 278  
 279          // Used in the HTML title tag.
 280          $title        = __( 'Install Themes' );
 281          $parent_file  = 'themes.php';
 282          $submenu_file = 'themes.php';
 283  
 284          require_once ABSPATH . 'wp-admin/admin-header.php';
 285  
 286          /* translators: %s: Theme name and version. */
 287          $title = sprintf( __( 'Installing Theme: %s' ), $api->name . ' ' . $api->version );
 288          $nonce = 'install-theme_' . $theme;
 289          $url   = 'update.php?action=install-theme&theme=' . urlencode( $theme );
 290          $type  = 'web'; // Install theme type, From Web or an Upload.
 291  
 292          $upgrader = new Theme_Upgrader( new Theme_Installer_Skin( compact( 'title', 'url', 'nonce', 'plugin', 'api' ) ) );
 293          $upgrader->install( $api->download_link );
 294  
 295          require_once ABSPATH . 'wp-admin/admin-footer.php';
 296  
 297      } elseif ( 'upload-theme' === $action ) {
 298  
 299          if ( ! current_user_can( 'upload_themes' ) ) {
 300              wp_die( __( 'Sorry, you are not allowed to install themes on this site.' ) );
 301          }
 302  
 303          check_admin_referer( 'theme-upload' );
 304  
 305          $file_upload = new File_Upload_Upgrader( 'themezip', 'package' );
 306  
 307          // Used in the HTML title tag.
 308          $title        = __( 'Upload Theme' );
 309          $parent_file  = 'themes.php';
 310          $submenu_file = 'theme-install.php';
 311  
 312          require_once ABSPATH . 'wp-admin/admin-header.php';
 313  
 314          /* translators: %s: File name. */
 315          $title = sprintf( __( 'Installing theme from uploaded file: %s' ), esc_html( basename( $file_upload->filename ) ) );
 316          $nonce = 'theme-upload';
 317          $url   = add_query_arg( array( 'package' => $file_upload->id ), 'update.php?action=upload-theme' );
 318          $type  = 'upload'; // Install theme type, From Web or an Upload.
 319  
 320          $overwrite = isset( $_GET['overwrite'] ) ? sanitize_text_field( $_GET['overwrite'] ) : '';
 321          $overwrite = in_array( $overwrite, array( 'update-theme', 'downgrade-theme' ), true ) ? $overwrite : '';
 322  
 323          $upgrader = new Theme_Upgrader( new Theme_Installer_Skin( compact( 'type', 'title', 'nonce', 'url', 'overwrite' ) ) );
 324          $result   = $upgrader->install( $file_upload->package, array( 'overwrite_package' => $overwrite ) );
 325  
 326          if ( $result || is_wp_error( $result ) ) {
 327              $file_upload->cleanup();
 328          }
 329  
 330          require_once ABSPATH . 'wp-admin/admin-footer.php';
 331  
 332      } elseif ( 'upload-theme-cancel-overwrite' === $action ) {
 333          if ( ! current_user_can( 'upload_themes' ) ) {
 334              wp_die( __( 'Sorry, you are not allowed to install themes on this site.' ) );
 335          }
 336  
 337          check_admin_referer( 'theme-upload-cancel-overwrite' );
 338  
 339          // Make sure the attachment still exists, or File_Upload_Upgrader will call wp_die()
 340          // that shows a generic "Please select a file" error.
 341          if ( ! empty( $_GET['package'] ) ) {
 342              $attachment_id = (int) $_GET['package'];
 343  
 344              if ( get_post( $attachment_id ) ) {
 345                  $file_upload = new File_Upload_Upgrader( 'themezip', 'package' );
 346                  $file_upload->cleanup();
 347              }
 348          }
 349  
 350          wp_redirect( self_admin_url( 'theme-install.php' ) );
 351          exit;
 352      } else {
 353          /**
 354           * Fires when a custom plugin or theme update request is received.
 355           *
 356           * The dynamic portion of the hook name, `$action`, refers to the action
 357           * provided in the request for wp-admin/update.php. Can be used to
 358           * provide custom update functionality for themes and plugins.
 359           *
 360           * @since 2.8.0
 361           */
 362          do_action( "update-custom_{$action}" ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
 363      }
 364  }


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