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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          require_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          if ( isset( $_FILES['pluginzip']['name'] ) && ! str_ends_with( strtolower( $_FILES['pluginzip']['name'] ), '.zip' ) ) {
 158              wp_die( __( 'Only .zip archives may be uploaded.' ) );
 159          }
 160  
 161          $file_upload = new File_Upload_Upgrader( 'pluginzip', 'package' );
 162  
 163          // Used in the HTML title tag.
 164          $title        = __( 'Upload Plugin' );
 165          $parent_file  = 'plugins.php';
 166          $submenu_file = 'plugin-install.php';
 167  
 168          require_once  ABSPATH . 'wp-admin/admin-header.php';
 169  
 170          /* translators: %s: File name. */
 171          $title = sprintf( __( 'Installing plugin from uploaded file: %s' ), esc_html( basename( $file_upload->filename ) ) );
 172          $nonce = 'plugin-upload';
 173          $url   = add_query_arg( array( 'package' => $file_upload->id ), 'update.php?action=upload-plugin' );
 174          $type  = 'upload'; // Install plugin type, From Web or an Upload.
 175  
 176          $overwrite = isset( $_GET['overwrite'] ) ? sanitize_text_field( $_GET['overwrite'] ) : '';
 177          $overwrite = in_array( $overwrite, array( 'update-plugin', 'downgrade-plugin' ), true ) ? $overwrite : '';
 178  
 179          $upgrader = new Plugin_Upgrader( new Plugin_Installer_Skin( compact( 'type', 'title', 'nonce', 'url', 'overwrite' ) ) );
 180          $result   = $upgrader->install( $file_upload->package, array( 'overwrite_package' => $overwrite ) );
 181  
 182          if ( $result || is_wp_error( $result ) ) {
 183              $file_upload->cleanup();
 184          }
 185  
 186          require_once  ABSPATH . 'wp-admin/admin-footer.php';
 187  
 188      } elseif ( 'upload-plugin-cancel-overwrite' === $action ) {
 189          if ( ! current_user_can( 'upload_plugins' ) ) {
 190              wp_die( __( 'Sorry, you are not allowed to install plugins on this site.' ) );
 191          }
 192  
 193          check_admin_referer( 'plugin-upload-cancel-overwrite' );
 194  
 195          // Make sure the attachment still exists, or File_Upload_Upgrader will call wp_die()
 196          // that shows a generic "Please select a file" error.
 197          if ( ! empty( $_GET['package'] ) ) {
 198              $attachment_id = (int) $_GET['package'];
 199  
 200              if ( get_post( $attachment_id ) ) {
 201                  $file_upload = new File_Upload_Upgrader( 'pluginzip', 'package' );
 202                  $file_upload->cleanup();
 203              }
 204          }
 205  
 206          wp_redirect( self_admin_url( 'plugin-install.php' ) );
 207          exit;
 208      } elseif ( 'upgrade-theme' === $action ) {
 209  
 210          if ( ! current_user_can( 'update_themes' ) ) {
 211              wp_die( __( 'Sorry, you are not allowed to update themes for this site.' ) );
 212          }
 213  
 214          check_admin_referer( 'upgrade-theme_' . $theme );
 215  
 216          wp_enqueue_script( 'updates' );
 217  
 218          // Used in the HTML title tag.
 219          $title        = __( 'Update Theme' );
 220          $parent_file  = 'themes.php';
 221          $submenu_file = 'themes.php';
 222  
 223          require_once  ABSPATH . 'wp-admin/admin-header.php';
 224  
 225          $nonce = 'upgrade-theme_' . $theme;
 226          $url   = 'update.php?action=upgrade-theme&theme=' . urlencode( $theme );
 227  
 228          $upgrader = new Theme_Upgrader( new Theme_Upgrader_Skin( compact( 'title', 'nonce', 'url', 'theme' ) ) );
 229          $upgrader->upgrade( $theme );
 230  
 231          require_once  ABSPATH . 'wp-admin/admin-footer.php';
 232      } elseif ( 'update-selected-themes' === $action ) {
 233          if ( ! current_user_can( 'update_themes' ) ) {
 234              wp_die( __( 'Sorry, you are not allowed to update themes for this site.' ) );
 235          }
 236  
 237          check_admin_referer( 'bulk-update-themes' );
 238  
 239          if ( isset( $_GET['themes'] ) ) {
 240              $themes = explode( ',', stripslashes( $_GET['themes'] ) );
 241          } elseif ( isset( $_POST['checked'] ) ) {
 242              $themes = (array) $_POST['checked'];
 243          } else {
 244              $themes = array();
 245          }
 246  
 247          $themes = array_map( 'urldecode', $themes );
 248  
 249          $url   = 'update.php?action=update-selected-themes&amp;themes=' . urlencode( implode( ',', $themes ) );
 250          $nonce = 'bulk-update-themes';
 251  
 252          wp_enqueue_script( 'updates' );
 253          iframe_header();
 254  
 255          $upgrader = new Theme_Upgrader( new Bulk_Theme_Upgrader_Skin( compact( 'nonce', 'url' ) ) );
 256          $upgrader->bulk_upgrade( $themes );
 257  
 258          iframe_footer();
 259      } elseif ( 'install-theme' === $action ) {
 260  
 261          if ( ! current_user_can( 'install_themes' ) ) {
 262              wp_die( __( 'Sorry, you are not allowed to install themes on this site.' ) );
 263          }
 264  
 265          require_once  ABSPATH . 'wp-admin/includes/class-wp-upgrader.php'; // For themes_api().
 266  
 267          check_admin_referer( 'install-theme_' . $theme );
 268          $api = themes_api(
 269              'theme_information',
 270              array(
 271                  'slug'   => $theme,
 272                  'fields' => array(
 273                      'sections' => false,
 274                      'tags'     => false,
 275                  ),
 276              )
 277          ); // Save on a bit of bandwidth.
 278  
 279          if ( is_wp_error( $api ) ) {
 280              wp_die( $api );
 281          }
 282  
 283          // Used in the HTML title tag.
 284          $title        = __( 'Install Themes' );
 285          $parent_file  = 'themes.php';
 286          $submenu_file = 'themes.php';
 287  
 288          require_once  ABSPATH . 'wp-admin/admin-header.php';
 289  
 290          /* translators: %s: Theme name and version. */
 291          $title = sprintf( __( 'Installing Theme: %s' ), $api->name . ' ' . $api->version );
 292          $nonce = 'install-theme_' . $theme;
 293          $url   = 'update.php?action=install-theme&theme=' . urlencode( $theme );
 294          $type  = 'web'; // Install theme type, From Web or an Upload.
 295  
 296          $upgrader = new Theme_Upgrader( new Theme_Installer_Skin( compact( 'title', 'url', 'nonce', 'plugin', 'api' ) ) );
 297          $upgrader->install( $api->download_link );
 298  
 299          require_once  ABSPATH . 'wp-admin/admin-footer.php';
 300  
 301      } elseif ( 'upload-theme' === $action ) {
 302  
 303          if ( ! current_user_can( 'upload_themes' ) ) {
 304              wp_die( __( 'Sorry, you are not allowed to install themes on this site.' ) );
 305          }
 306  
 307          check_admin_referer( 'theme-upload' );
 308  
 309          if ( isset( $_FILES['themezip']['name'] ) && ! str_ends_with( strtolower( $_FILES['themezip']['name'] ), '.zip' ) ) {
 310              wp_die( __( 'Only .zip archives may be uploaded.' ) );
 311          }
 312  
 313          $file_upload = new File_Upload_Upgrader( 'themezip', 'package' );
 314  
 315          // Used in the HTML title tag.
 316          $title        = __( 'Upload Theme' );
 317          $parent_file  = 'themes.php';
 318          $submenu_file = 'theme-install.php';
 319  
 320          require_once  ABSPATH . 'wp-admin/admin-header.php';
 321  
 322          /* translators: %s: File name. */
 323          $title = sprintf( __( 'Installing theme from uploaded file: %s' ), esc_html( basename( $file_upload->filename ) ) );
 324          $nonce = 'theme-upload';
 325          $url   = add_query_arg( array( 'package' => $file_upload->id ), 'update.php?action=upload-theme' );
 326          $type  = 'upload'; // Install theme type, From Web or an Upload.
 327  
 328          $overwrite = isset( $_GET['overwrite'] ) ? sanitize_text_field( $_GET['overwrite'] ) : '';
 329          $overwrite = in_array( $overwrite, array( 'update-theme', 'downgrade-theme' ), true ) ? $overwrite : '';
 330  
 331          $upgrader = new Theme_Upgrader( new Theme_Installer_Skin( compact( 'type', 'title', 'nonce', 'url', 'overwrite' ) ) );
 332          $result   = $upgrader->install( $file_upload->package, array( 'overwrite_package' => $overwrite ) );
 333  
 334          if ( $result || is_wp_error( $result ) ) {
 335              $file_upload->cleanup();
 336          }
 337  
 338          require_once  ABSPATH . 'wp-admin/admin-footer.php';
 339  
 340      } elseif ( 'upload-theme-cancel-overwrite' === $action ) {
 341          if ( ! current_user_can( 'upload_themes' ) ) {
 342              wp_die( __( 'Sorry, you are not allowed to install themes on this site.' ) );
 343          }
 344  
 345          check_admin_referer( 'theme-upload-cancel-overwrite' );
 346  
 347          // Make sure the attachment still exists, or File_Upload_Upgrader will call wp_die()
 348          // that shows a generic "Please select a file" error.
 349          if ( ! empty( $_GET['package'] ) ) {
 350              $attachment_id = (int) $_GET['package'];
 351  
 352              if ( get_post( $attachment_id ) ) {
 353                  $file_upload = new File_Upload_Upgrader( 'themezip', 'package' );
 354                  $file_upload->cleanup();
 355              }
 356          }
 357  
 358          wp_redirect( self_admin_url( 'theme-install.php' ) );
 359          exit;
 360      } else {
 361          /**
 362           * Fires when a custom plugin or theme update request is received.
 363           *
 364           * The dynamic portion of the hook name, `$action`, refers to the action
 365           * provided in the request for wp-admin/update.php. Can be used to
 366           * provide custom update functionality for themes and plugins.
 367           *
 368           * @since 2.8.0
 369           */
 370          do_action( "update-custom_{$action}" ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
 371      }
 372  }


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