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 */
 19require_once __DIR__ . '/admin.php';
 20
 21// Used in the HTML title tag.
 22$title       = __( 'Settings' );
 23$this_file   = 'options.php';
 24$parent_file = 'options-general.php';
 25
 26$action      = ! empty( $_REQUEST['action'] ) ? sanitize_text_field( $_REQUEST['action'] ) : '';
 27$option_page = ! empty( $_REQUEST['option_page'] ) ? sanitize_text_field( $_REQUEST['option_page'] ) : '';
 28
 29$capability = 'manage_options';
 30
 31// This is for back compat and will eventually be removed.
 32if ( empty( $option_page ) ) {
 33	$option_page = 'options';
 34} else {
 35
 36	/**
 37	 * Filters the capability required when using the Settings API.
 38	 *
 39	 * By default, the options groups for all registered settings require the manage_options capability.
 40	 * This filter is required to change the capability required for a certain options page.
 41	 *
 42	 * @since 3.2.0
 43	 *
 44	 * @param string $capability The capability used for the page, which is manage_options by default.
 45	 */
 46	$capability = apply_filters( "option_page_capability_{$option_page}", $capability );
 47}
 48
 49if ( ! current_user_can( $capability ) ) {
 50	wp_die(
 51		'<h1>' . __( 'You need a higher level of permission.' ) . '</h1>' .
 52		'<p>' . __( 'Sorry, you are not allowed to manage options for this site.' ) . '</p>',
 53		403
 54	);
 55}
 56
 57// Handle admin email change requests.
 58if ( ! empty( $_GET['adminhash'] ) ) {
 59	$new_admin_details = get_option( 'adminhash' );
 60	$redirect          = 'options-general.php?updated=false';
 61
 62	if ( is_array( $new_admin_details )
 63		&& hash_equals( $new_admin_details['hash'], $_GET['adminhash'] )
 64		&& ! empty( $new_admin_details['newemail'] )
 65	) {
 66		update_option( 'admin_email', $new_admin_details['newemail'] );
 67		delete_option( 'adminhash' );
 68		delete_option( 'new_admin_email' );
 69		$redirect = 'options-general.php?updated=true';
 70	}
 71
 72	wp_redirect( admin_url( $redirect ) );
 73	exit;
 74} elseif ( ! empty( $_GET['dismiss'] ) && 'new_admin_email' === $_GET['dismiss'] ) {
 75	check_admin_referer( 'dismiss-' . get_current_blog_id() . '-new_admin_email' );
 76	delete_option( 'adminhash' );
 77	delete_option( 'new_admin_email' );
 78	wp_redirect( admin_url( 'options-general.php?updated=true' ) );
 79	exit;
 80}
 81
 82if ( is_multisite() && ! current_user_can( 'manage_network_options' ) && 'update' !== $action ) {
 83	wp_die(
 84		'<h1>' . __( 'You need a higher level of permission.' ) . '</h1>' .
 85		'<p>' . __( 'Sorry, you are not allowed to delete these items.' ) . '</p>',
 86		403
 87	);
 88}
 89
 90$allowed_options            = array(
 91	'general'    => array(
 92		'blogname',
 93		'blogdescription',
 94		'site_icon',
 95		'gmt_offset',
 96		'date_format',
 97		'time_format',
 98		'start_of_week',
 99		'timezone_string',
100		'WPLANG',
101		'new_admin_email',
102	),
103	'discussion' => array(
104		'default_pingback_flag',
105		'default_ping_status',
106		'default_comment_status',
107		'comments_notify',
108		'moderation_notify',
109		'comment_moderation',
110		'require_name_email',
111		'comment_previously_approved',
112		'comment_max_links',
113		'moderation_keys',
114		'disallowed_keys',
115		'show_avatars',
116		'avatar_rating',
117		'avatar_default',
118		'close_comments_for_old_posts',
119		'close_comments_days_old',
120		'thread_comments',
121		'thread_comments_depth',
122		'page_comments',
123		'comments_per_page',
124		'default_comments_page',
125		'comment_order',
126		'comment_registration',
127		'show_comments_cookies_opt_in',
128		'wp_notes_notify',
129	),
130	'media'      => array(
131		'thumbnail_size_w',
132		'thumbnail_size_h',
133		'thumbnail_crop',
134		'medium_size_w',
135		'medium_size_h',
136		'large_size_w',
137		'large_size_h',
138		'image_default_size',
139		'image_default_align',
140		'image_default_link_type',
141	),
142	'reading'    => array(
143		'posts_per_page',
144		'posts_per_rss',
145		'rss_use_excerpt',
146		'show_on_front',
147		'page_on_front',
148		'page_for_posts',
149		'blog_public',
150	),
151	'writing'    => array(
152		'default_category',
153		'default_email_category',
154		'default_link_category',
155		'default_post_format',
156	),
157);
158$allowed_options['misc']    = array();
159$allowed_options['options'] = array();
160$allowed_options['privacy'] = array();
161
162/**
163 * Filters whether the post-by-email functionality is enabled.
164 *
165 * @since 3.0.0
166 *
167 * @param bool $enabled Whether post-by-email configuration is enabled. Default true.
168 */
169if ( apply_filters( 'enable_post_by_email_configuration', true ) ) {
170	$allowed_options['writing'][] = 'mailserver_url';
171	$allowed_options['writing'][] = 'mailserver_port';
172	$allowed_options['writing'][] = 'mailserver_login';
173	$allowed_options['writing'][] = 'mailserver_pass';
174}
175
176if ( ! is_utf8_charset() ) {
177	$allowed_options['reading'][] = 'blog_charset';
178}
179
180if ( get_site_option( 'initial_db_version' ) < 32453 ) {
181	$allowed_options['writing'][] = 'use_smilies';
182	$allowed_options['writing'][] = 'use_balanceTags';
183}
184
185if ( ! is_multisite() ) {
186	if ( ! defined( 'WP_SITEURL' ) ) {
187		$allowed_options['general'][] = 'siteurl';
188	}
189	if ( ! defined( 'WP_HOME' ) ) {
190		$allowed_options['general'][] = 'home';
191	}
192
193	$allowed_options['general'][] = 'users_can_register';
194	$allowed_options['general'][] = 'default_role';
195
196	if ( '1' === get_option( 'blog_public' ) ) {
197		$allowed_options['writing'][] = 'ping_sites';
198	}
199
200	$allowed_options['media'][] = 'uploads_use_yearmonth_folders';
201
202	/*
203	 * If upload_url_path is not the default (empty),
204	 * or upload_path is not the default ('wp-content/uploads' or empty),
205	 * they can be edited, otherwise they're locked.
206	 */
207	if ( get_option( 'upload_url_path' )
208		|| get_option( 'upload_path' ) && 'wp-content/uploads' !== get_option( 'upload_path' )
209	) {
210		$allowed_options['media'][] = 'upload_path';
211		$allowed_options['media'][] = 'upload_url_path';
212	}
213}
214
215/**
216 * Filters the allowed options list.
217 *
218 * @since 2.7.0
219 * @deprecated 5.5.0 Use {@see 'allowed_options'} instead.
220 *
221 * @param array $allowed_options The allowed options list.
222 */
223$allowed_options = apply_filters_deprecated(
224	'whitelist_options',
225	array( $allowed_options ),
226	'5.5.0',
227	'allowed_options',
228	__( 'Please consider writing more inclusive code.' )
229);
230
231/**
232 * Filters the allowed options list.
233 *
234 * @since 5.5.0
235 *
236 * @param array $allowed_options The allowed options list.
237 */
238$allowed_options = apply_filters( 'allowed_options', $allowed_options );
239
240if ( 'update' === $action ) { // We are saving settings sent from a settings page.
241	if ( 'options' === $option_page && ! isset( $_POST['option_page'] ) ) { // This is for back compat and will eventually be removed.
242		$unregistered = true;
243		check_admin_referer( 'update-options' );
244	} else {
245		$unregistered = false;
246		check_admin_referer( $option_page . '-options' );
247	}
248
249	if ( ! isset( $allowed_options[ $option_page ] ) ) {
250		wp_die(
251			sprintf(
252				/* translators: %s: The options page name. */
253				__( '<strong>Error:</strong> The %s options page is not in the allowed options list.' ),
254				'<code>' . esc_html( $option_page ) . '</code>'
255			)
256		);
257	}
258
259	if ( 'options' === $option_page ) {
260		if ( is_multisite() && ! current_user_can( 'manage_network_options' ) ) {
261			wp_die( __( 'Sorry, you are not allowed to modify unregistered settings for this site.' ) );
262		}
263		$options = isset( $_POST['page_options'] ) ? explode( ',', wp_unslash( $_POST['page_options'] ) ) : null;
264	} else {
265		$options = $allowed_options[ $option_page ];
266	}
267
268	if ( 'general' === $option_page ) {
269		// Handle custom date/time formats.
270		if ( ! empty( $_POST['date_format'] ) && isset( $_POST['date_format_custom'] )
271			&& '\c\u\s\t\o\m' === wp_unslash( $_POST['date_format'] )
272		) {
273			$_POST['date_format'] = $_POST['date_format_custom'];
274		}
275
276		if ( ! empty( $_POST['time_format'] ) && isset( $_POST['time_format_custom'] )
277			&& '\c\u\s\t\o\m' === wp_unslash( $_POST['time_format'] )
278		) {
279			$_POST['time_format'] = $_POST['time_format_custom'];
280		}
281
282		// Map UTC+- timezones to gmt_offsets and set timezone_string to empty.
283		if ( ! empty( $_POST['timezone_string'] ) && preg_match( '/^UTC[+-]/', $_POST['timezone_string'] ) ) {
284			$_POST['gmt_offset']      = $_POST['timezone_string'];
285			$_POST['gmt_offset']      = preg_replace( '/UTC\+?/', '', $_POST['gmt_offset'] );
286			$_POST['timezone_string'] = '';
287		} elseif ( isset( $_POST['timezone_string'] ) && ! in_array( $_POST['timezone_string'], timezone_identifiers_list( DateTimeZone::ALL_WITH_BC ), true ) ) {
288			// Reset to the current value.
289			$current_timezone_string = get_option( 'timezone_string' );
290
291			if ( ! empty( $current_timezone_string ) ) {
292				$_POST['timezone_string'] = $current_timezone_string;
293			} else {
294				$_POST['gmt_offset']      = get_option( 'gmt_offset' );
295				$_POST['timezone_string'] = '';
296			}
297
298			add_settings_error(
299				'general',
300				'settings_updated',
301				__( 'The timezone you have entered is not valid. Please select a valid timezone.' ),
302				'error'
303			);
304		}
305
306		// Handle translation installation.
307		if ( ! empty( $_POST['WPLANG'] ) && current_user_can( 'install_languages' ) ) {
308			require_once ABSPATH . 'wp-admin/includes/translation-install.php';
309
310			if ( wp_can_install_language_pack() ) {
311				$language = wp_download_language_pack( $_POST['WPLANG'] );
312				if ( $language ) {
313					$_POST['WPLANG'] = $language;
314				}
315			}
316		}
317	}
318
319	if ( $options ) {
320		$user_language_old = get_user_locale();
321
322		foreach ( $options as $option ) {
323			if ( $unregistered ) {
324				_deprecated_argument(
325					'options.php',
326					'2.7.0',
327					sprintf(
328						/* translators: 1: The option/setting, 2: Documentation URL. */
329						__( 'The %1$s setting is unregistered. Unregistered settings are deprecated. See <a href="%2$s">documentation on the Settings API</a>.' ),
330						'<code>' . esc_html( $option ) . '</code>',
331						__( 'https://developer.wordpress.org/plugins/settings/settings-api/' )
332					)
333				);
334			}
335
336			$option = trim( $option );
337			$value  = null;
338			if ( isset( $_POST[ $option ] ) ) {
339				$value = $_POST[ $option ];
340				if ( ! is_array( $value ) ) {
341					$value = trim( $value );
342				}
343				$value = wp_unslash( $value );
344			}
345			update_option( $option, $value );
346		}
347
348		/*
349		 * Switch translation in case WPLANG was changed.
350		 * The global $locale is used in get_locale() which is
351		 * used as a fallback in get_user_locale().
352		 */
353		unset( $GLOBALS['locale'] );
354		$user_language_new = get_user_locale();
355		if ( $user_language_old !== $user_language_new ) {
356			load_default_textdomain( $user_language_new );
357		}
358	} else {
359		add_settings_error( 'general', 'settings_updated', __( 'Settings save failed.' ), 'error' );
360	}
361
362	/*
363	 * Handle settings errors and return to options page.
364	 */
365
366	// If no settings errors were registered add a general 'updated' message.
367	if ( ! count( get_settings_errors() ) ) {
368		add_settings_error( 'general', 'settings_updated', __( 'Settings saved.' ), 'success' );
369	}
370
371	set_transient( 'settings_errors', get_settings_errors(), 30 ); // 30 seconds.
372
373	// Redirect back to the settings page that was submitted.
374	$goback = add_query_arg( 'settings-updated', 'true', wp_get_referer() );
375	wp_redirect( $goback );
376	exit;
377}
378
379require_once ABSPATH . 'wp-admin/admin-header.php';
380?>
381
382<div class="wrap">
383	<h1><?php esc_html_e( 'All Settings' ); ?></h1>
384
385	<?php
386	wp_admin_notice(
387		'<strong>' . __( 'Warning:' ) . '</strong> ' . __( 'This page allows direct access to your site settings. You can break things here. Please be cautious!' ),
388		array(
389			'type' => 'warning',
390		)
391	);
392	?>
393	<form name="form" action="options.php" method="post" id="all-options">
394		<?php wp_nonce_field( 'options-options' ); ?>
395		<input type="hidden" name="action" value="update" />
396		<input type="hidden" name="option_page" value="options" />
397		<table class="form-table" role="presentation">
398<?php
399$options = $wpdb->get_results( "SELECT * FROM $wpdb->options ORDER BY option_name" );
400
401foreach ( (array) $options as $option ) :
402	$disabled = false;
403
404	if ( '' === $option->option_name ) {
405		continue;
406	}
407
408	if ( 'home' === $option->option_name && defined( 'WP_HOME' ) ) {
409		$disabled = true;
410	}
411
412	if ( 'siteurl' === $option->option_name && defined( 'WP_SITEURL' ) ) {
413		$disabled = true;
414	}
415
416	if ( is_serialized( $option->option_value ) ) {
417		if ( is_serialized_string( $option->option_value ) ) {
418			// This is a serialized string, so we should display it.
419			$value               = maybe_unserialize( $option->option_value );
420			$options_to_update[] = $option->option_name;
421		} else {
422			$value    = 'SERIALIZED DATA';
423			$disabled = true;
424		}
425	} else {
426		$value               = $option->option_value;
427		$options_to_update[] = $option->option_name;
428	}
429
430	$class = 'all-options';
431
432	if ( $disabled ) {
433		$class .= ' disabled';
434	}
435
436	$name = esc_attr( $option->option_name );
437	?>
438<tr>
439	<th scope="row"><label for="<?php echo $name; ?>"><?php echo esc_html( $option->option_name ); ?></label></th>
440<td>
441	<?php if ( str_contains( $value, "\n" ) ) : ?>
442		<textarea class="<?php echo $class; ?>" name="<?php echo $name; ?>" id="<?php echo $name; ?>" cols="30" rows="5"><?php echo esc_textarea( $value ); ?></textarea>
443	<?php else : ?>
444		<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 ); ?> />
445	<?php endif; ?></td>
446</tr>
447<?php endforeach; ?>
448</table>
449
450<input type="hidden" name="page_options" value="<?php echo esc_attr( implode( ',', $options_to_update ) ); ?>" />
451
452<?php submit_button( __( 'Save Changes' ), 'primary', 'Update' ); ?>
453
454</form>
455</div>
456
457<?php
458require_once ABSPATH . 'wp-admin/admin-footer.php';
459