' . __( 'Sorry, you are not allowed to manage these items.' ) . '
', + 403 + ); +} + +// Handle admin email change requests +if ( is_multisite() ) { + if ( ! empty($_GET[ 'adminhash' ] ) ) { + $new_admin_details = get_option( 'adminhash' ); + $redirect = 'options-general.php?updated=false'; + if ( is_array( $new_admin_details ) && hash_equals( $new_admin_details[ 'hash' ], $_GET[ 'adminhash' ] ) && !empty($new_admin_details[ 'newemail' ]) ) { + update_option( 'admin_email', $new_admin_details[ 'newemail' ] ); + delete_option( 'adminhash' ); + delete_option( 'new_admin_email' ); + $redirect = 'options-general.php?updated=true'; } + wp_redirect( admin_url( $redirect ) ); + exit; + } elseif ( ! empty( $_GET['dismiss'] ) && 'new_admin_email' == $_GET['dismiss'] ) { + check_admin_referer( 'dismiss-' . get_current_blog_id() . '-new_admin_email' ); + delete_option( 'adminhash' ); + delete_option( 'new_admin_email' ); + wp_redirect( admin_url( 'options-general.php?updated=true' ) ); + exit; } } -if ( !current_user_can('manage_options') ) - die ( __('Cheatin’ uh?') ); - -function sanitize_option($option, $value) { - - switch ($option) { - case 'admin_email': - $value = sanitize_email($value); - break; - - case 'default_post_edit_rows': - case 'mailserver_port': - case 'comment_max_links': - $value = abs((int) $value); - break; - - case 'posts_per_page': - case 'posts_per_rss': - $value = (int) $value; - if ( empty($value) ) $value = 1; - if ( $value < -1 ) $value = abs($value); - break; - - case 'default_ping_status': - case 'default_comment_status': - // Options that if not there have 0 value but need to be something like "closed" - if ( $value == '0' || $value == '') - $value = 'closed'; - break; - - case 'blogdescription': - case 'blogname': - if (current_user_can('unfiltered_html') == false) - $value = wp_filter_post_kses( $value ); - break; - - case 'blog_charset': - $value = preg_replace('/[^a-zA-Z0-9_-]/', '', $value); - break; - - case 'date_format': - case 'time_format': - case 'mailserver_url': - case 'mailserver_login': - case 'mailserver_pass': - case 'ping_sites': - case 'upload_path': - $value = strip_tags($value); - $value = wp_filter_kses($value); - break; - - case 'gmt_offset': - $value = preg_replace('/[^0-9:.-]/', '', $value); - break; - - case 'siteurl': - case 'home': - $value = clean_url($value); - break; +if ( is_multisite() && ! is_super_admin() && 'update' != $action ) { + wp_die( + '' . __( 'Sorry, you are not allowed to delete these items.' ) . '
', + 403 + ); +} + +$whitelist_options = array( + 'general' => array( 'blogname', 'blogdescription', 'gmt_offset', 'date_format', 'time_format', 'start_of_week', 'timezone_string', 'WPLANG' ), + 'discussion' => array( 'default_pingback_flag', 'default_ping_status', 'default_comment_status', 'comments_notify', 'moderation_notify', 'comment_moderation', 'require_name_email', 'comment_whitelist', 'comment_max_links', 'moderation_keys', 'blacklist_keys', 'show_avatars', 'avatar_rating', 'avatar_default', 'close_comments_for_old_posts', 'close_comments_days_old', 'thread_comments', 'thread_comments_depth', 'page_comments', 'comments_per_page', 'default_comments_page', 'comment_order', 'comment_registration' ), + 'media' => array( 'thumbnail_size_w', 'thumbnail_size_h', 'thumbnail_crop', 'medium_size_w', 'medium_size_h', 'large_size_w', 'large_size_h', 'image_default_size', 'image_default_align', 'image_default_link_type' ), + 'reading' => array( 'posts_per_page', 'posts_per_rss', 'rss_use_excerpt', 'show_on_front', 'page_on_front', 'page_for_posts', 'blog_public' ), + 'writing' => array( 'default_category', 'default_email_category', 'default_link_category', 'default_post_format' ) +); +$whitelist_options['misc'] = $whitelist_options['options'] = $whitelist_options['privacy'] = array(); + +$mail_options = array('mailserver_url', 'mailserver_port', 'mailserver_login', 'mailserver_pass'); + +if ( ! in_array( get_option( 'blog_charset' ), array( 'utf8', 'utf-8', 'UTF8', 'UTF-8' ) ) ) + $whitelist_options['reading'][] = 'blog_charset'; + +if ( get_site_option( 'initial_db_version' ) < 32453 ) { + $whitelist_options['writing'][] = 'use_smilies'; + $whitelist_options['writing'][] = 'use_balanceTags'; +} + +if ( !is_multisite() ) { + if ( !defined( 'WP_SITEURL' ) ) + $whitelist_options['general'][] = 'siteurl'; + if ( !defined( 'WP_HOME' ) ) + $whitelist_options['general'][] = 'home'; + + $whitelist_options['general'][] = 'admin_email'; + $whitelist_options['general'][] = 'users_can_register'; + $whitelist_options['general'][] = 'default_role'; + + $whitelist_options['writing'] = array_merge($whitelist_options['writing'], $mail_options); + $whitelist_options['writing'][] = 'ping_sites'; + + $whitelist_options['media'][] = 'uploads_use_yearmonth_folders'; + + // If upload_url_path and upload_path are both default values, they're locked. + if ( get_option( 'upload_url_path' ) || ( get_option('upload_path') != 'wp-content/uploads' && get_option('upload_path') ) ) { + $whitelist_options['media'][] = 'upload_path'; + $whitelist_options['media'][] = 'upload_url_path'; } +} else { + $whitelist_options['general'][] = 'new_admin_email'; - return $value; + /** + * Filters whether the post-by-email functionality is enabled. + * + * @since 3.0.0 + * + * @param bool $enabled Whether post-by-email configuration is enabled. Default true. + */ + if ( apply_filters( 'enable_post_by_email_configuration', true ) ) + $whitelist_options['writing'] = array_merge($whitelist_options['writing'], $mail_options); } -switch($action) { +/** + * Filters the options white list. + * + * @since 2.7.0 + * + * @param array White list options. + */ +$whitelist_options = apply_filters( 'whitelist_options', $whitelist_options ); + +/* + * If $_GET['action'] == 'update' we are saving settings sent from a settings page + */ +if ( 'update' == $action ) { + if ( 'options' == $option_page && !isset( $_POST['option_page'] ) ) { // This is for back compat and will eventually be removed. + $unregistered = true; + check_admin_referer( 'update-options' ); + } else { + $unregistered = false; + check_admin_referer( $option_page . '-options' ); + } -case 'update': - $any_changed = 0; - - check_admin_referer('update-options'); + if ( !isset( $whitelist_options[ $option_page ] ) ) + wp_die( __( 'ERROR: options page not found.' ) ); - if ( !$_POST['page_options'] ) { - foreach ( (array) $_POST as $key => $value) { - if ( !in_array($key, array('_wpnonce', '_wp_http_referer')) ) - $options[] = $key; - } + if ( 'options' == $option_page ) { + if ( is_multisite() && ! is_super_admin() ) + wp_die( __( 'Sorry, you are not allowed to modify unregistered settings for this site.' ) ); + $options = explode( ',', wp_unslash( $_POST[ 'page_options' ] ) ); } else { - $options = explode(',', stripslashes($_POST['page_options'])); + $options = $whitelist_options[ $option_page ]; } - // Save for later. - $old_siteurl = get_settings('siteurl'); - $old_home = get_settings('home'); - - if ($options) { - foreach ($options as $option) { - $option = trim($option); - $value = trim(stripslashes($_POST[$option])); - $value = sanitize_option($option, $value); - - if (update_option($option, $value) ) { - $any_changed++; + if ( 'general' == $option_page ) { + // Handle custom date/time formats. + if ( !empty($_POST['date_format']) && isset($_POST['date_format_custom']) && '\c\u\s\t\o\m' == wp_unslash( $_POST['date_format'] ) ) + $_POST['date_format'] = $_POST['date_format_custom']; + if ( !empty($_POST['time_format']) && isset($_POST['time_format_custom']) && '\c\u\s\t\o\m' == wp_unslash( $_POST['time_format'] ) ) + $_POST['time_format'] = $_POST['time_format_custom']; + // Map UTC+- timezones to gmt_offsets and set timezone_string to empty. + if ( !empty($_POST['timezone_string']) && preg_match('/^UTC[+-]/', $_POST['timezone_string']) ) { + $_POST['gmt_offset'] = $_POST['timezone_string']; + $_POST['gmt_offset'] = preg_replace('/UTC\+?/', '', $_POST['gmt_offset']); + $_POST['timezone_string'] = ''; + } + + // Handle translation install. + if ( ! empty( $_POST['WPLANG'] ) && ( ! is_multisite() || is_super_admin() ) ) { // @todo: Skip if already installed + require_once( ABSPATH . 'wp-admin/includes/translation-install.php' ); + + if ( wp_can_install_language_pack() ) { + $language = wp_download_language_pack( $_POST['WPLANG'] ); + if ( $language ) { + $_POST['WPLANG'] = $language; + } } } } - - if ($any_changed) { - // If siteurl or home changed, reset cookies. - if ( get_settings('siteurl') != $old_siteurl || get_settings('home') != $old_home ) { - // If home changed, write rewrite rules to new location. - $wp_rewrite->flush_rules(); - // Clear cookies for old paths. - wp_clearcookie(); - // Set cookies for new paths. - wp_setcookie($user_login, $user_pass_md5, true, get_settings('home'), get_settings('siteurl')); + + if ( $options ) { + foreach ( $options as $option ) { + if ( $unregistered ) { + _deprecated_argument( 'options.php', '2.7.0', + sprintf( + /* translators: %s: the option/setting */ + __( 'The %s setting is unregistered. Unregistered settings are deprecated. See https://codex.wordpress.org/Settings_API' ), + '' . $option . ''
+ )
+ );
+ }
+
+ $option = trim( $option );
+ $value = null;
+ if ( isset( $_POST[ $option ] ) ) {
+ $value = $_POST[ $option ];
+ if ( ! is_array( $value ) )
+ $value = trim( $value );
+ $value = wp_unslash( $value );
}
+ update_option( $option, $value );
+ }
+
+ // Switch translation in case WPLANG was changed.
+ $language = get_option( 'WPLANG' );
+ if ( $language ) {
+ load_default_textdomain( $language );
+ } else {
+ unload_textdomain( 'default' );
+ }
+ }
- //$message = sprintf(__('%d setting(s) saved... '), $any_changed);
- }
-
- $referred = remove_query_arg('updated' , wp_get_referer());
- $goback = add_query_arg('updated', 'true', wp_get_referer());
- $goback = preg_replace('|[^a-z0-9-~+_.?#=&;,/:]|i', '', $goback);
- wp_redirect($goback);
- break;
+ /**
+ * Handle settings errors and return to options page
+ */
+ // If no settings errors were registered add a general 'updated' message.
+ if ( !count( get_settings_errors() ) )
+ add_settings_error('general', 'settings_updated', __('Settings saved.'), 'updated');
+ set_transient('settings_errors', get_settings_errors(), 30);
-default:
- include('admin-header.php'); ?>
+ /**
+ * Redirect back to the settings page that was submitted
+ */
+ $goback = add_query_arg( 'settings-updated', 'true', wp_get_referer() );
+ wp_redirect( $goback );
+ exit;
+}
+
+include( ABSPATH . 'wp-admin/admin-header.php' ); ?>