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   1  <?php
   2  /**
   3   * Options Management Administration Screen.
   4   *
   5   * If accessed directly in a browser this page shows a list of all saved options
   6   * along with editable fields for their values. Serialized data is not supported
   7   * and there is no way to remove options via this page. It is not linked to from
   8   * anywhere else in the admin.
   9   *
  10   * This file is also the target of the forms in core and custom options pages
  11   * that use the Settings API. In this case it saves the new option values
  12   * and returns the user to their page of origin.
  13   *
  14   * @package WordPress
  15   * @subpackage Administration
  16   */
  17  
  18  /** WordPress Administration Bootstrap */
  19  require_once  __DIR__ . '/admin.php';
  20  
  21  $title       = __( 'Settings' );
  22  $this_file   = 'options.php';
  23  $parent_file = 'options-general.php';
  24  
  25  wp_reset_vars( array( 'action', 'option_page' ) );
  26  
  27  $capability = 'manage_options';
  28  
  29  // This is for back compat and will eventually be removed.
  30  if ( empty( $option_page ) ) {
  31      $option_page = 'options';
  32  } else {
  33  
  34      /**
  35       * Filters the capability required when using the Settings API.
  36       *
  37       * By default, the options groups for all registered settings require the manage_options capability.
  38       * This filter is required to change the capability required for a certain options page.
  39       *
  40       * @since 3.2.0
  41       *
  42       * @param string $capability The capability used for the page, which is manage_options by default.
  43       */
  44      $capability = apply_filters( "option_page_capability_{$option_page}", $capability );
  45  }
  46  
  47  if ( ! current_user_can( $capability ) ) {
  48      wp_die(
  49          '<h1>' . __( 'You need a higher level of permission.' ) . '</h1>' .
  50          '<p>' . __( 'Sorry, you are not allowed to manage options for this site.' ) . '</p>',
  51          403
  52      );
  53  }
  54  
  55  // Handle admin email change requests.
  56  if ( ! empty( $_GET['adminhash'] ) ) {
  57      $new_admin_details = get_option( 'adminhash' );
  58      $redirect          = 'options-general.php?updated=false';
  59      if ( is_array( $new_admin_details ) && hash_equals( $new_admin_details['hash'], $_GET['adminhash'] ) && ! empty( $new_admin_details['newemail'] ) ) {
  60          update_option( 'admin_email', $new_admin_details['newemail'] );
  61          delete_option( 'adminhash' );
  62          delete_option( 'new_admin_email' );
  63          $redirect = 'options-general.php?updated=true';
  64      }
  65      wp_redirect( admin_url( $redirect ) );
  66      exit;
  67  } elseif ( ! empty( $_GET['dismiss'] ) && 'new_admin_email' === $_GET['dismiss'] ) {
  68      check_admin_referer( 'dismiss-' . get_current_blog_id() . '-new_admin_email' );
  69      delete_option( 'adminhash' );
  70      delete_option( 'new_admin_email' );
  71      wp_redirect( admin_url( 'options-general.php?updated=true' ) );
  72      exit;
  73  }
  74  
  75  if ( is_multisite() && ! current_user_can( 'manage_network_options' ) && 'update' != $action ) {
  76      wp_die(
  77          '<h1>' . __( 'You need a higher level of permission.' ) . '</h1>' .
  78          '<p>' . __( 'Sorry, you are not allowed to delete these items.' ) . '</p>',
  79          403
  80      );
  81  }
  82  
  83  $allowed_options            = array(
  84      'general'    => array(
  85          'blogname',
  86          'blogdescription',
  87          'gmt_offset',
  88          'date_format',
  89          'time_format',
  90          'start_of_week',
  91          'timezone_string',
  92          'WPLANG',
  93          'new_admin_email',
  94      ),
  95      'discussion' => array(
  96          'default_pingback_flag',
  97          'default_ping_status',
  98          'default_comment_status',
  99          'comments_notify',
 100          'moderation_notify',
 101          'comment_moderation',
 102          'require_name_email',
 103          'comment_previously_approved',
 104          'comment_max_links',
 105          'moderation_keys',
 106          'disallowed_keys',
 107          'show_avatars',
 108          'avatar_rating',
 109          'avatar_default',
 110          'close_comments_for_old_posts',
 111          'close_comments_days_old',
 112          'thread_comments',
 113          'thread_comments_depth',
 114          'page_comments',
 115          'comments_per_page',
 116          'default_comments_page',
 117          'comment_order',
 118          'comment_registration',
 119          'show_comments_cookies_opt_in',
 120      ),
 121      'media'      => array(
 122          'thumbnail_size_w',
 123          'thumbnail_size_h',
 124          'thumbnail_crop',
 125          'medium_size_w',
 126          'medium_size_h',
 127          'large_size_w',
 128          'large_size_h',
 129          'image_default_size',
 130          'image_default_align',
 131          'image_default_link_type',
 132      ),
 133      'reading'    => array(
 134          'posts_per_page',
 135          'posts_per_rss',
 136          'rss_use_excerpt',
 137          'show_on_front',
 138          'page_on_front',
 139          'page_for_posts',
 140          'blog_public',
 141      ),
 142      'writing'    => array(
 143          'default_category',
 144          'default_email_category',
 145          'default_link_category',
 146          'default_post_format',
 147      ),
 148  );
 149  $allowed_options['misc']    = array();
 150  $allowed_options['options'] = array();
 151  $allowed_options['privacy'] = array();
 152  
 153  $mail_options = array( 'mailserver_url', 'mailserver_port', 'mailserver_login', 'mailserver_pass' );
 154  
 155  if ( ! in_array( get_option( 'blog_charset' ), array( 'utf8', 'utf-8', 'UTF8', 'UTF-8' ), true ) ) {
 156      $allowed_options['reading'][] = 'blog_charset';
 157  }
 158  
 159  if ( get_site_option( 'initial_db_version' ) < 32453 ) {
 160      $allowed_options['writing'][] = 'use_smilies';
 161      $allowed_options['writing'][] = 'use_balanceTags';
 162  }
 163  
 164  if ( ! is_multisite() ) {
 165      if ( ! defined( 'WP_SITEURL' ) ) {
 166          $allowed_options['general'][] = 'siteurl';
 167      }
 168      if ( ! defined( 'WP_HOME' ) ) {
 169          $allowed_options['general'][] = 'home';
 170      }
 171  
 172      $allowed_options['general'][] = 'users_can_register';
 173      $allowed_options['general'][] = 'default_role';
 174  
 175      $allowed_options['writing']   = array_merge( $allowed_options['writing'], $mail_options );
 176      $allowed_options['writing'][] = 'ping_sites';
 177  
 178      $allowed_options['media'][] = 'uploads_use_yearmonth_folders';
 179  
 180      /*
 181       * If upload_url_path is not the default (empty),
 182       * or upload_path is not the default ('wp-content/uploads' or empty),
 183       * they can be edited, otherwise they're locked.
 184       */
 185      if ( get_option( 'upload_url_path' ) || ( get_option( 'upload_path' ) != 'wp-content/uploads' && get_option( 'upload_path' ) ) ) {
 186          $allowed_options['media'][] = 'upload_path';
 187          $allowed_options['media'][] = 'upload_url_path';
 188      }
 189  } else {
 190      /**
 191       * Filters whether the post-by-email functionality is enabled.
 192       *
 193       * @since 3.0.0
 194       *
 195       * @param bool $enabled Whether post-by-email configuration is enabled. Default true.
 196       */
 197      if ( apply_filters( 'enable_post_by_email_configuration', true ) ) {
 198          $allowed_options['writing'] = array_merge( $allowed_options['writing'], $mail_options );
 199      }
 200  }
 201  
 202  /**
 203   * Filters the allowed options list.
 204   *
 205   * @since 2.7.0
 206   * @deprecated 5.5.0 Use {@see 'allowed_options'} instead.
 207   *
 208   * @param array $allowed_options The allowed options list.
 209   */
 210  $allowed_options = apply_filters_deprecated(
 211      'whitelist_options',
 212      array( $allowed_options ),
 213      '5.5.0',
 214      'allowed_options',
 215      __( 'Please consider writing more inclusive code.' )
 216  );
 217  
 218  /**
 219   * Filters the allowed options list.
 220   *
 221   * @since 5.5.0
 222   *
 223   * @param array $allowed_options The allowed options list.
 224   */
 225  $allowed_options = apply_filters( 'allowed_options', $allowed_options );
 226  
 227  if ( 'update' === $action ) { // We are saving settings sent from a settings page.
 228      if ( 'options' === $option_page && ! isset( $_POST['option_page'] ) ) { // This is for back compat and will eventually be removed.
 229          $unregistered = true;
 230          check_admin_referer( 'update-options' );
 231      } else {
 232          $unregistered = false;
 233          check_admin_referer( $option_page . '-options' );
 234      }
 235  
 236      if ( ! isset( $allowed_options[ $option_page ] ) ) {
 237          wp_die(
 238              sprintf(
 239                  /* translators: %s: The options page name. */
 240                  __( '<strong>Error</strong>: Options page %s not found in the allowed options list.' ),
 241                  '<code>' . esc_html( $option_page ) . '</code>'
 242              )
 243          );
 244      }
 245  
 246      if ( 'options' === $option_page ) {
 247          if ( is_multisite() && ! current_user_can( 'manage_network_options' ) ) {
 248              wp_die( __( 'Sorry, you are not allowed to modify unregistered settings for this site.' ) );
 249          }
 250          $options = explode( ',', wp_unslash( $_POST['page_options'] ) );
 251      } else {
 252          $options = $allowed_options[ $option_page ];
 253      }
 254  
 255      if ( 'general' === $option_page ) {
 256          // Handle custom date/time formats.
 257          if ( ! empty( $_POST['date_format'] ) && isset( $_POST['date_format_custom'] )
 258              && '\c\u\s\t\o\m' === wp_unslash( $_POST['date_format'] )
 259          ) {
 260              $_POST['date_format'] = $_POST['date_format_custom'];
 261          }
 262  
 263          if ( ! empty( $_POST['time_format'] ) && isset( $_POST['time_format_custom'] )
 264              && '\c\u\s\t\o\m' === wp_unslash( $_POST['time_format'] )
 265          ) {
 266              $_POST['time_format'] = $_POST['time_format_custom'];
 267          }
 268  
 269          // Map UTC+- timezones to gmt_offsets and set timezone_string to empty.
 270          if ( ! empty( $_POST['timezone_string'] ) && preg_match( '/^UTC[+-]/', $_POST['timezone_string'] ) ) {
 271              $_POST['gmt_offset']      = $_POST['timezone_string'];
 272              $_POST['gmt_offset']      = preg_replace( '/UTC\+?/', '', $_POST['gmt_offset'] );
 273              $_POST['timezone_string'] = '';
 274          }
 275  
 276          // Handle translation installation.
 277          if ( ! empty( $_POST['WPLANG'] ) && current_user_can( 'install_languages' ) ) {
 278              require_once ABSPATH . 'wp-admin/includes/translation-install.php';
 279  
 280              if ( wp_can_install_language_pack() ) {
 281                  $language = wp_download_language_pack( $_POST['WPLANG'] );
 282                  if ( $language ) {
 283                      $_POST['WPLANG'] = $language;
 284                  }
 285              }
 286          }
 287      }
 288  
 289      if ( $options ) {
 290          $user_language_old = get_user_locale();
 291  
 292          foreach ( $options as $option ) {
 293              if ( $unregistered ) {
 294                  _deprecated_argument(
 295                      'options.php',
 296                      '2.7.0',
 297                      sprintf(
 298                          /* translators: %s: The option/setting. */
 299                          __( 'The %s setting is unregistered. Unregistered settings are deprecated. See https://developer.wordpress.org/plugins/settings/settings-api/' ),
 300                          '<code>' . esc_html( $option ) . '</code>'
 301                      )
 302                  );
 303              }
 304  
 305              $option = trim( $option );
 306              $value  = null;
 307              if ( isset( $_POST[ $option ] ) ) {
 308                  $value = $_POST[ $option ];
 309                  if ( ! is_array( $value ) ) {
 310                      $value = trim( $value );
 311                  }
 312                  $value = wp_unslash( $value );
 313              }
 314              update_option( $option, $value );
 315          }
 316  
 317          /*
 318           * Switch translation in case WPLANG was changed.
 319           * The global $locale is used in get_locale() which is
 320           * used as a fallback in get_user_locale().
 321           */
 322          unset( $GLOBALS['locale'] );
 323          $user_language_new = get_user_locale();
 324          if ( $user_language_old !== $user_language_new ) {
 325              load_default_textdomain( $user_language_new );
 326          }
 327      }
 328  
 329      /*
 330       * Handle settings errors and return to options page.
 331       */
 332  
 333      // If no settings errors were registered add a general 'updated' message.
 334      if ( ! count( get_settings_errors() ) ) {
 335          add_settings_error( 'general', 'settings_updated', __( 'Settings saved.' ), 'success' );
 336      }
 337      set_transient( 'settings_errors', get_settings_errors(), 30 );
 338  
 339      // Redirect back to the settings page that was submitted.
 340      $goback = add_query_arg( 'settings-updated', 'true', wp_get_referer() );
 341      wp_redirect( $goback );
 342      exit;
 343  }
 344  
 345  require_once ABSPATH . 'wp-admin/admin-header.php'; ?>
 346  
 347  <div class="wrap">
 348      <h1><?php esc_html_e( 'All Settings' ); ?></h1>
 349  
 350      <div class="notice notice-warning">
 351          <p><strong><?php _e( 'Warning:' ); ?></strong> <?php _e( 'This page allows direct access to your site settings. You can break things here. Please be cautious!' ); ?></p>
 352      </div>
 353  
 354      <form name="form" action="options.php" method="post" id="all-options">
 355          <?php wp_nonce_field( 'options-options' ); ?>
 356          <input type="hidden" name="action" value="update" />
 357          <input type="hidden" name="option_page" value="options" />
 358          <table class="form-table" role="presentation">
 359  <?php
 360  $options = $wpdb->get_results( "SELECT * FROM $wpdb->options ORDER BY option_name" );
 361  
 362  foreach ( (array) $options as $option ) :
 363      $disabled = false;
 364  
 365      if ( '' === $option->option_name ) {
 366          continue;
 367      }
 368  
 369      if ( is_serialized( $option->option_value ) ) {
 370          if ( is_serialized_string( $option->option_value ) ) {
 371              // This is a serialized string, so we should display it.
 372              $value               = maybe_unserialize( $option->option_value );
 373              $options_to_update[] = $option->option_name;
 374              $class               = 'all-options';
 375          } else {
 376              $value    = 'SERIALIZED DATA';
 377              $disabled = true;
 378              $class    = 'all-options disabled';
 379          }
 380      } else {
 381          $value               = $option->option_value;
 382          $options_to_update[] = $option->option_name;
 383          $class               = 'all-options';
 384      }
 385  
 386      $name = esc_attr( $option->option_name );
 387      ?>
 388  <tr>
 389      <th scope="row"><label for="<?php echo $name; ?>"><?php echo esc_html( $option->option_name ); ?></label></th>
 390  <td>
 391      <?php if ( strpos( $value, "\n" ) !== false ) : ?>
 392          <textarea class="<?php echo $class; ?>" name="<?php echo $name; ?>" id="<?php echo $name; ?>" cols="30" rows="5"><?php echo esc_textarea( $value ); ?></textarea>
 393      <?php else : ?>
 394          <input class="regular-text <?php echo $class; ?>" type="text" name="<?php echo $name; ?>" id="<?php echo $name; ?>" value="<?php echo esc_attr( $value ); ?>"<?php disabled( $disabled, true ); ?> />
 395      <?php endif; ?></td>
 396  </tr>
 397  <?php endforeach; ?>
 398  </table>
 399  
 400  <input type="hidden" name="page_options" value="<?php echo esc_attr( implode( ',', $options_to_update ) ); ?>" />
 401  
 402  <?php submit_button( __( 'Save Changes' ), 'primary', 'Update' ); ?>
 403  
 404  </form>
 405  </div>
 406  
 407  <?php
 408  require_once ABSPATH . 'wp-admin/admin-footer.php';