← All changes | includes/class-metasync-redirections-admin.php +29 -18 2.6.20 → 2.7.1 View file →

		@@ -65,9 +65,9 @@
65	65	$this->check_database_structure();
66	66
67	67	$this->ensure_404_monitor_table();
68	68
69		- $current_tab = isset($_GET['tab']) ? sanitize_text_field($_GET['tab']) : 'redirections';
	69	+ $current_tab = isset($_GET['tab']) ? sanitize_text_field(wp_unslash($_GET['tab'])) : 'redirections'; // phpcs:ignore WordPress.Security.NonceVerification.Recommended -- read-only tab selection
70	70
71	71	$this->add_tabbed_interface_assets();
72	72	$this->admin->render_layout_open('Redirections', 'redirections', 'Manage URL redirects and monitor 404 errors on your site.');
73	73	$this->render_tab_navigation($current_tab);
		@@ -101,9 +101,9 @@
101	101
102	102	private function safe_redirect($url)
103	103	{
104	104	if (!headers_sent()) {
105		- wp_redirect($url);
	105	+ wp_safe_redirect($url);
106	106	exit;
107	107	} else {
108	108	echo '<script type="text/javascript">window.location.href = "' . esc_url($url) . '";</script>';
109	109	echo '<noscript><meta http-equiv="refresh" content="0;url=' . esc_url($url) . '"></noscript>';
		@@ -135,15 +135,18 @@
135	135	if (!Metasync::current_user_has_plugin_access()) {
136	136	wp_die('Insufficient permissions.');
137	137	}
138	138
139		- $source_urls = isset($_POST['source_url']) ? array_map('sanitize_text_field', $_POST['source_url']) : [];
140		- $search_types = isset($_POST['search_type']) ? array_map('sanitize_text_field', $_POST['search_type']) : [];
141		- $destination_url = isset($_POST['destination_url']) ? sanitize_text_field($_POST['destination_url']) : '';
	139	+ // Unslash before sanitizing: source URLs with apostrophes/backslashes
	140	+ // must be stored in their literal form so the front-end matcher (which
	141	+ // compares against the unslashed request URI) can hit them.
	142	+ $source_urls = isset($_POST['source_url']) ? array_map('sanitize_text_field', wp_unslash($_POST['source_url'])) : [];
	143	+ $search_types = isset($_POST['search_type']) ? array_map('sanitize_text_field', wp_unslash($_POST['search_type'])) : [];
	144	+ $destination_url = isset($_POST['destination_url']) ? sanitize_text_field(wp_unslash($_POST['destination_url'])) : '';
142	145	$redirect_type = isset($_POST['redirect_type']) ? intval($_POST['redirect_type']) : 301;
143		- $status = isset($_POST['status']) ? sanitize_text_field($_POST['status']) : 'active';
	146	+ $status = isset($_POST['status']) ? sanitize_text_field(wp_unslash($_POST['status'])) : 'active';
144	147	$regex_pattern = isset($_POST['regex_pattern']) ? wp_unslash(trim($_POST['regex_pattern'])) : '';
145		- $description = isset($_POST['description']) ? sanitize_text_field($_POST['description']) : '';
	148	+ $description = isset($_POST['description']) ? sanitize_text_field(wp_unslash($_POST['description'])) : '';
146	149	$redirect_id = isset($_POST['redirect_id']) ? intval($_POST['redirect_id']) : 0;
147	150
148	151	$validation_errors = [];
149	152
		@@ -187,8 +190,14 @@
187	190	if (empty($trimmed_dest)) {
188	191	$validation_errors[] = 'Destination URL is required for this redirect type.';
189	192	} elseif (!$this->is_valid_url($trimmed_dest)) {
190	193	$validation_errors[] = 'Invalid destination URL format. URLs should start with / for relative paths or be complete URLs.';
	194	+ } elseif (!Metasync_Redirection_Validator::is_safe_destination_syntax($trimmed_dest)) {
	195	+ // Browsers treat backslashes as path separators, so '/\evil.com'
	196	+ // passes wp_validate_redirect yet navigates off-site; a leading
	197	+ // '//' is a protocol-relative host. Neither is a valid internal
	198	+ // destination regardless of the external-redirects setting.
	199	+ $validation_errors[] = 'Destination URL contains invalid characters.';
191	200	} elseif (!get_option('metasync_allow_external_redirects', 0) && wp_validate_redirect($trimmed_dest, '') !== $trimmed_dest) {
192	201	$validation_errors[] = 'Destination URL must point to this site. External redirect destinations are not allowed. Enable "Allow External Redirects" in the Redirections settings to permit off-site redirects.';
193	202	}
194	203	}
		@@ -234,12 +243,13 @@
234	243	$this->safe_redirect(admin_url('admin.php?page=' . Metasync_Admin::$page_slug . '-redirections'));
235	244	return;
236	245	}
237	246
238		- // Reject patterns with nested quantifiers that could cause ReDoS
	247	+ // Reject patterns with nested quantification that could cause ReDoS,
	248	+ // including alternation blowup ('((a|a)*)*') the older guard missed.
239	249	$raw_check = preg_replace('/^\S(.*)\S[a-zA-Z]*$/', '$1', $regex_pattern);
240		- if (preg_match('/(\([^)]*[+*][^)]*\))[+*?{]|(\[[^\]]*\])[+*][+*?{]/', $raw_check)) {
241		- set_transient('metasync_redirection_error_' . $uid, 'Regex pattern contains potentially unsafe nested quantifiers.', 45);
	250	+ if (!Metasync_Redirection_Validator::is_regex_safe($raw_check)) {
	251	+ set_transient('metasync_redirection_error_' . $uid, 'Regex pattern is too long or contains potentially unsafe nested quantifiers (including nested alternation).', 45);
242	252	$this->safe_redirect(admin_url('admin.php?page=' . Metasync_Admin::$page_slug . '-redirections'));
243	253	return;
244	254	}
245	255
		@@ -272,8 +282,9 @@
272	282
273	283	// Loop detection: refuse to persist a chain that would resolve back to any source
274	284	if (!in_array($redirect_type, [410, 451])) {
275	285	require_once dirname(__FILE__, 2) . '/redirections/class-metasync-redirection.php';
	286	+ require_once dirname(__FILE__, 2) . '/redirections/class-metasync-redirection-validator.php';
276	287	$redirection_helper = new Metasync_Redirection($this->db_redirection);
277	288	foreach (array_keys($sources_from) as $source_url) {
278	289	$loop_error = $redirection_helper->validate_no_loop($source_url, $destination_url);
279	290	if ($loop_error !== null) {
		@@ -315,9 +326,9 @@
315	326	$message = 'Redirection added successfully.';
316	327	}
317	328
318	329	} catch (Exception $e) {
319		- error_log('MetaSync error: ' . $e->getMessage());
	330	+ error_log('MetaSync error: ' . $e->getMessage()); // phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_error_log -- genuine failure path, bounded, no secrets
320	331	set_transient('metasync_redirection_error_' . $uid, 'An error occurred while saving the redirection. Please try again.', 45);
321	332	$this->safe_redirect(admin_url('admin.php?page=' . Metasync_Admin::$page_slug . '-redirections'));
322	333	}
323	334
		@@ -540,9 +551,9 @@
540	551
541	552	private function render_redirections_tab($current_tab = null)
542	553	{
543	554	if ($current_tab === null) {
544		- $current_tab = isset($_GET['tab']) ? sanitize_text_field($_GET['tab']) : 'redirections';
	555	+ $current_tab = isset($_GET['tab']) ? sanitize_text_field(wp_unslash($_GET['tab'])) : 'redirections'; // phpcs:ignore WordPress.Security.NonceVerification.Recommended -- read-only tab selection
545	556	}
546	557	$active_class = $current_tab === 'redirections' ? 'active' : '';
547	558
548	559	?>
		@@ -557,9 +568,9 @@
557	568
558	569	private function render_404_monitor_tab($current_tab = null)
559	570	{
560	571	if ($current_tab === null) {
561		- $current_tab = isset($_GET['tab']) ? sanitize_text_field($_GET['tab']) : 'redirections';
	572	+ $current_tab = isset($_GET['tab']) ? sanitize_text_field(wp_unslash($_GET['tab'])) : 'redirections'; // phpcs:ignore WordPress.Security.NonceVerification.Recommended -- read-only tab selection
562	573	}
563	574	$active_class = $current_tab === '404-monitor' ? 'active' : '';
564	575
565	576	?>
		@@ -574,12 +585,12 @@
574	585
575	586	$ErrorMonitor->create_admin_plugin_interface();
576	587
577	588	} catch (Exception $e) {
578		- error_log('MetaSync 404 Monitor Error: ' . $e->getMessage());
	589	+ error_log('MetaSync 404 Monitor Error: ' . $e->getMessage()); // phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_error_log -- genuine failure path, bounded, no secrets
579	590	echo '<div class="notice notice-error"><p>An error occurred while loading the 404 monitor. Please check the server logs for details.</p></div>';
580	591	} catch (Error $e) {
581		- error_log('MetaSync 404 Monitor Fatal Error: ' . $e->getMessage());
	592	+ error_log('MetaSync 404 Monitor Fatal Error: ' . $e->getMessage()); // phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_error_log -- genuine failure path, bounded, no secrets
582	593	echo '<div class="notice notice-error"><p>A fatal error occurred while loading the 404 monitor. Please check the server logs for details.</p></div>';
583	594	}
584	595	?>
585	596	</div>
		@@ -592,9 +603,9 @@
592	603	require_once plugin_dir_path(dirname(__FILE__)) . '404-monitor/class-metasync-404-monitor-database.php';
593	604
594	605	$table_name = $wpdb->prefix . Metasync_Error_Monitor_Database::$table_name;
595	606
596		- if ($wpdb->get_var($wpdb->prepare("SHOW TABLES LIKE %s", $table_name)) != $table_name) {
	607	+ if ($wpdb->get_var($wpdb->prepare("SHOW TABLES LIKE %s", $table_name)) != $table_name) { // phpcs:ignore WordPress.DB.DirectDatabaseQuery -- admin repair action — re-runs the migration check on demand from the UI
597	608	require_once plugin_dir_path(dirname(__FILE__)) . 'database/class-db-migrations.php';
598	609	MetaSync_DBMigration::run_migrations();
599	610	}
600	611	}
		@@ -603,13 +614,13 @@
603	614	{
604	615	global $wpdb;
605	616	$table_name = $wpdb->prefix . 'metasync_redirections';
606	617
607		- if ($wpdb->get_var($wpdb->prepare("SHOW TABLES LIKE %s", $table_name)) != $table_name) {
	618	+ if ($wpdb->get_var($wpdb->prepare("SHOW TABLES LIKE %s", $table_name)) != $table_name) { // phpcs:ignore WordPress.DB.DirectDatabaseQuery -- admin repair action — re-runs the migration check on demand from the UI
608	619	return;
609	620	}
610	621
611		- $columns = $wpdb->get_col("DESCRIBE {$table_name}");
	622	+ $columns = $wpdb->get_col("DESCRIBE {$wpdb->prefix}metasync_redirections"); // phpcs:ignore WordPress.DB.DirectDatabaseQuery -- admin repair action — re-runs the migration check on demand from the UI
612	623	$required_columns = ['pattern_type', 'regex_pattern', 'description', 'created_at', 'updated_at', 'last_accessed_at'];
613	624
614	625	$missing_columns = array_diff($required_columns, $columns);
615	626