| 1 |
<?php |
| 2 |
|
| 3 |
|
| 4 |
if (!defined('ABSPATH')) { |
| 5 |
exit; |
| 6 |
} |
| 7 |
|
| 8 |
/* Funtcions supporting Ajax stuff. */ |
| 9 |
|
| 10 |
class ABJ_404_Solution_ViewUpdater { |
| 11 |
|
| 12 |
use ABJ_404_Solution_AjaxFailureLoggingTrait; |
| 13 |
|
| 14 |
private const INFLIGHT_STAGE_EVENT_LIMIT = 5000; |
| 15 |
|
| 16 |
/** @var self|null */ |
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private static $instance = null; |
| 18 |
|
| 19 |
/** @return self */ |
| 20 |
public static function getInstance() { |
| 21 |
if (self::$instance == null) { |
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self::$instance = new ABJ_404_Solution_ViewUpdater(); |
| 23 |
} |
| 24 |
|
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return self::$instance; |
| 26 |
} |
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|
| 28 |
/** @return void */ |
| 29 |
static function init() { |
| 30 |
$me = ABJ_404_Solution_ViewUpdater::getInstance(); |
| 31 |
ABJ_404_Solution_WPUtils::safeAddAction('wp_ajax_ajaxUpdatePaginationLinks', |
| 32 |
array($me, 'getPaginationLinks')); |
| 33 |
ABJ_404_Solution_WPUtils::safeAddAction('wp_ajax_ajaxWarmTableCache', |
| 34 |
array($me, 'warmTableCache')); |
| 35 |
ABJ_404_Solution_WPUtils::safeAddAction('wp_ajax_ajaxRefreshStatsDashboard', |
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array($me, 'refreshStatsDashboard')); |
| 37 |
ABJ_404_Solution_WPUtils::safeAddAction('wp_ajax_ajaxRefreshHealthBar', |
| 38 |
array($me, 'refreshHealthBar')); |
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ABJ_404_Solution_WPUtils::safeAddAction('wp_ajax_ajaxFetchInflightStage', |
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array($me, 'fetchInflightStage')); |
| 41 |
ABJ_404_Solution_WPUtils::safeAddAction('wp_ajax_ajaxAdvanceViewBuild', |
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array($me, 'advanceViewBuild')); |
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ABJ_404_Solution_WPUtils::safeAddAction('wp_ajax_ajaxRefreshAdminNonces', |
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array($me, 'refreshAdminNonces')); |
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// wp_ajax_nopriv_ is for normal users |
| 46 |
} |
| 47 |
|
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/** |
| 49 |
* Admin nonce action verbs JS call sites consume. Keep in sync with |
| 50 |
* view_updater_nonce_refresh.js NONCE_DATA_ATTRS and the wp_verify_nonce() |
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* calls below + in Ajax_TrendData.php. |
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* @return string[] |
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*/ |
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public static function adminNonceActions(): array { |
| 55 |
return array('abj404_updatePaginationLink', 'abj404_fetchInflightStage', |
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'abj404_refreshStatsDashboard', 'abj404_refreshHealthBar', 'abj404_trendData'); |
| 57 |
} |
| 58 |
|
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/** |
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* B20: mint fresh admin AJAX nonces for the page so the JS retry helper |
| 61 |
* recovers transparently from a 12-24h-idle expired nonce. No nonce on |
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* the request itself (the caller's nonce expired by definition); the |
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* userIsPluginAdmin() capability gate is the only authorisation - which |
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* also handles the genuinely-logged-out case (full page refresh needed). |
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* @return void |
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*/ |
| 67 |
function refreshAdminNonces() { |
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$abj404logic = abj_service('plugin_logic'); |
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$ctx = self::startAjaxDebugContext(array('action' => 'ajaxRefreshAdminNonces', |
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'request_uri' => $_SERVER['REQUEST_URI'] ?? '', |
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'user_id' => function_exists('get_current_user_id') ? get_current_user_id() : 0)); |
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try { |
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if (!$abj404logic->userIsPluginAdmin()) { |
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self::safeLogAjaxFailure('AJAX unauthorized in ajaxRefreshAdminNonces.', $ctx); |
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self::markAjaxResponseSent(); |
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self::sendJsonResponseAndExit(self::buildAjaxErrorResponse('Unauthorized', null, false), 403); |
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return; |
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} |
| 79 |
if (ABJ_404_Solution_Ajax_Php::checkRateLimit('refresh_admin_nonces', 60, 60)) { |
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self::safeLogAjaxFailure('AJAX rate limit in ajaxRefreshAdminNonces.', $ctx); |
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self::markAjaxResponseSent(); |
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self::sendJsonResponseAndExit(self::buildAjaxErrorResponse( |
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'Rate limit exceeded. Please try again later.', null, false), 429); |
| 84 |
return; |
| 85 |
} |
| 86 |
$nonces = array(); |
| 87 |
foreach (self::adminNonceActions() as $action) { |
| 88 |
$nonces[$action] = wp_create_nonce($action); |
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} |
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self::markAjaxResponseSent(); |
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self::sendJsonResponseAndExit(array('success' => true, |
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'data' => array('nonces' => $nonces)), 200); |
| 93 |
} catch (Throwable $e) { |
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self::safeLogAjaxFailure('AJAX exception in ajaxRefreshAdminNonces.', $ctx, $e); |
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self::markAjaxResponseSent(); |
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self::sendJsonResponseAndExit(self::buildAjaxErrorResponse( |
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'Server error while refreshing nonces.', null, false), 500); |
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} |
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} |
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|
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/** |
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* Validate a client-supplied request id used as the transient suffix for |
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* in-flight stage tracking. The id is only ever written into a transient |
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* key (`abj404_inflight_<id>`), never executed or logged verbatim — but we |
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* still constrain it to alphanumerics so a malformed payload cannot collide |
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* with other plugins' transients or blow past WP's 172-char option-name |
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* limit. |
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* |
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* @return string Sanitized id, or '' if missing/invalid. |
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*/ |
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private static function readClientRequestId() { |
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$raw = ''; |
| 113 |
if (isset($_REQUEST['requestId'])) { |
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$raw = $_REQUEST['requestId']; |
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} |
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if (!is_string($raw) || $raw === '') { |
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return ''; |
| 118 |
} |
| 119 |
if (!preg_match('/\A[a-zA-Z0-9]{8,64}\z/', $raw)) { |
| 120 |
return ''; |
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} |
| 122 |
return $raw; |
| 123 |
} |
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|
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/** |
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* Best-effort foreground lease for admin/browser-owned rebuilds. Failure |
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* only means cron may compete for the view-build lock; it must never break |
| 128 |
* the admin table response itself. |
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* |
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* @param mixed $dao |
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* @return void |
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*/ |
| 133 |
private static function tryClaimForegroundViewBuildLease($dao): void { |
| 134 |
if (!is_object($dao) || !method_exists($dao, 'claimForegroundViewBuildLease')) { |
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return; |
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} |
| 137 |
try { |
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$dao->claimForegroundViewBuildLease(); |
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} catch (Throwable $e) { |
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self::safeLogAjaxFailure( |
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'claimForegroundViewBuildLease failed; cron may compete for the build lock.', |
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null, |
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$e |
| 144 |
); |
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} |
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} |
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|
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/** |
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* Update the in-flight stage marker for the current AJAX request. Sets |
| 150 |
* `$context['stage']` and — when a client requestId is present — also |
| 151 |
* writes a short-lived transient so a follow-up `ajaxFetchInflightStage` |
| 152 |
* call can read which phase the server was in when a client-side timeout |
| 153 |
* fired (no response, no body, no headers reach the browser). |
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* |
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* Transient TTL is intentionally short (60s) — diagnostics that arrive |
| 156 |
* after a minute aren't useful for the user-visible error notice anyway. |
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* |
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* @param array<string, mixed> $context Passed by reference; mutated in place. |
| 159 |
* @param string $stage Stage label (e.g. 'table_captured', 'paginationLinksTop'). |
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* @return void |
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*/ |
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private static function setStage(&$context, $stage) { |
| 163 |
if (!is_array($context)) { |
| 164 |
$context = array(); |
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} |
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$diagnostics = self::getStageDiagnostics($stage); |
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$context['stage'] = $stage; |
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$context['query_label'] = $diagnostics['query_label']; |
| 169 |
$context['what_happening'] = $diagnostics['what_happening']; |
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if (isset($GLOBALS['abj404_ajax_context']) && is_array($GLOBALS['abj404_ajax_context'])) { |
| 171 |
$GLOBALS['abj404_ajax_context']['stage'] = $stage; |
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$GLOBALS['abj404_ajax_context']['query_label'] = $diagnostics['query_label']; |
| 173 |
$GLOBALS['abj404_ajax_context']['what_happening'] = $diagnostics['what_happening']; |
| 174 |
} |
| 175 |
|
| 176 |
$requestId = isset($context['requestId']) && is_string($context['requestId']) ? $context['requestId'] : ''; |
| 177 |
if ($requestId === '') { |
| 178 |
return; |
| 179 |
} |
| 180 |
if (!function_exists('set_transient')) { |
| 181 |
return; |
| 182 |
} |
| 183 |
$event = array( |
| 184 |
'stage' => (string)$stage, |
| 185 |
'query_label' => $diagnostics['query_label'], |
| 186 |
'what_happening' => $diagnostics['what_happening'], |
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'time_ms' => (int)round(microtime(true) * 1000), |
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); |
| 189 |
$events = array(); |
| 190 |
if (function_exists('get_transient')) { |
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$existing = @get_transient('abj404_inflight_' . $requestId); |
| 192 |
if (is_array($existing) && is_array($existing['events'] ?? null)) { |
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$events = $existing['events']; |
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} |
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} |
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$lastEvent = !empty($events) ? $events[count($events) - 1] : null; |
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$lastStage = is_array($lastEvent) && isset($lastEvent['stage']) && is_string($lastEvent['stage']) |
| 198 |
? $lastEvent['stage'] : ''; |
| 199 |
if ($lastStage !== (string)$stage) { |
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$events[] = $event; |
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if (count($events) > self::INFLIGHT_STAGE_EVENT_LIMIT) { |
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$events = array_slice($events, -self::INFLIGHT_STAGE_EVENT_LIMIT); |
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} |
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} |
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// Diagnostics — best effort. Never let a transient write failure |
| 206 |
// mask the real query error we're trying to diagnose. The |
| 207 |
// @-suppression converts any wpdb/network warning into a no-op. |
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@set_transient('abj404_inflight_' . $requestId, array( |
| 209 |
'stage' => (string)$stage, |
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'query_label' => $diagnostics['query_label'], |
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'what_happening' => $diagnostics['what_happening'], |
| 212 |
'events' => $events, |
| 213 |
), 60); |
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} |
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|
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/** |
| 217 |
* @param string $stage |
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* @return array{query_label: string, what_happening: string} |
| 219 |
*/ |
| 220 |
private static function getStageDiagnostics($stage) { |
| 221 |
$map = array( |
| 222 |
'table_redirects' => array( |
| 223 |
'query_label' => 'getAdminRedirectsPageTable() -> read redirects rows from staged view snapshot', |
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'what_happening' => 'Loading Redirects table rows', |
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), |
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'redirect_status_counts' => array( |
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'query_label' => 'getRedirectStatusCounts()', |
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'what_happening' => 'Counting Redirects status tabs', |
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), |
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'table_captured' => array( |
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'query_label' => 'getCapturedURLSPageTable() -> read captured rows from staged view snapshot', |
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'what_happening' => 'Loading Captured 404 URLs table rows', |
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), |
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'captured_status_counts' => array( |
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'query_label' => 'getCapturedStatusCounts()', |
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'what_happening' => 'Counting Captured 404 URLs status tabs', |
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), |
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'table_logs' => array( |
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'query_label' => 'getAdminLogsPageTable() -> getLogRecords()', |
| 240 |
'what_happening' => 'Loading Logs table rows', |
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), |
| 242 |
'paginationLinksTop' => array( |
| 243 |
'query_label' => 'getPaginationLinks(top) -> read top pagination count from staged view snapshot', |
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'what_happening' => 'Rendering top pagination links', |
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), |
| 246 |
'paginationLinksBottom' => array( |
| 247 |
'query_label' => 'getPaginationLinks(bottom) -> read bottom pagination count from staged view snapshot', |
| 248 |
'what_happening' => 'Rendering bottom pagination links', |
| 249 |
), |
| 250 |
'table_cache_rows' => array( |
| 251 |
'query_label' => 'getRedirectsForView', |
| 252 |
'what_happening' => 'Warming table row snapshot', |
| 253 |
), |
| 254 |
'table_cache_count' => array( |
| 255 |
'query_label' => 'getRedirectsForViewCount', |
| 256 |
'what_happening' => 'Warming table count snapshot', |
| 257 |
), |
| 258 |
'high_impact_count' => array( |
| 259 |
'query_label' => 'getHighImpactCapturedCount()', |
| 260 |
'what_happening' => 'Counting high-impact captured URLs', |
| 261 |
), |
| 262 |
// Sub-stages of the staged view-build pipeline (see |
| 263 |
// DataAccessTrait_ViewQueriesStaged::runStagedBuildOnce). These |
| 264 |
// are emitted by markBuildStage() during cold-cache builds so the |
| 265 |
// .abj404-refresh-status element can show step-by-step progress |
| 266 |
// instead of a single frozen "stage 1" label for the whole build. |
| 267 |
'staged_build_s1_create' => array( |
| 268 |
'query_label' => 'CREATE TABLE wp_abj404_view_build', |
| 269 |
'what_happening' => 'Creating build buffer (1/11)', |
| 270 |
), |
| 271 |
'staged_build_s2_insert' => array( |
| 272 |
'query_label' => 'INSERT INTO wp_abj404_view_build SELECT FROM wp_abj404_redirects', |
| 273 |
'what_happening' => 'Bulk-loading redirects into build buffer (2/11)', |
| 274 |
), |
| 275 |
'staged_build_s3_index_fd' => array( |
| 276 |
'query_label' => 'ALTER TABLE wp_abj404_view_build ADD INDEX idx_fd_int', |
| 277 |
'what_happening' => 'Adding pre-join indexes (3/11)', |
| 278 |
), |
| 279 |
'staged_build_s4_update_posts' => array( |
| 280 |
'query_label' => 'UPDATE wp_abj404_view_build LEFT JOIN wp_posts', |
| 281 |
'what_happening' => 'Filling published-status from wp_posts (4/11)', |
| 282 |
), |
| 283 |
'staged_build_s5_update_terms' => array( |
| 284 |
'query_label' => 'UPDATE wp_abj404_view_build LEFT JOIN wp_terms', |
| 285 |
'what_happening' => 'Filling published-status from wp_terms (5/11)', |
| 286 |
), |
| 287 |
'staged_build_s6_update_home' => array( |
| 288 |
'query_label' => 'UPDATE wp_abj404_view_build (HOME)', |
| 289 |
'what_happening' => 'Filling HOME-typed redirects (6/11)', |
| 290 |
), |
| 291 |
'staged_build_s7_update_external' => array( |
| 292 |
'query_label' => 'UPDATE wp_abj404_view_build (EXTERNAL)', |
| 293 |
'what_happening' => 'Filling EXTERNAL-typed redirects (7/11)', |
| 294 |
), |
| 295 |
'staged_build_s8_update_special' => array( |
| 296 |
'query_label' => 'UPDATE wp_abj404_view_build (404-displayed)', |
| 297 |
'what_happening' => 'Filling 404-displayed redirects (8/11)', |
| 298 |
), |
| 299 |
'staged_build_s9_update_hits' => array( |
| 300 |
'query_label' => 'UPDATE wp_abj404_view_build LEFT JOIN wp_abj404_logs_hits', |
| 301 |
'what_happening' => 'Filling hit counts (9/11)', |
| 302 |
), |
| 303 |
'staged_build_s10_index_sort' => array( |
| 304 |
'query_label' => 'ALTER TABLE wp_abj404_view_build ADD INDEX (sort indexes)', |
| 305 |
'what_happening' => 'Adding read-side sort indexes (10/11)', |
| 306 |
), |
| 307 |
'staged_build_s11_swap' => array( |
| 308 |
'query_label' => 'RENAME TABLE wp_abj404_view_build TO wp_abj404_view_done', |
| 309 |
'what_happening' => 'Atomic table swap (11/11)', |
| 310 |
), |
| 311 |
); |
| 312 |
if (array_key_exists($stage, $map)) { |
| 313 |
return $map[$stage]; |
| 314 |
} |
| 315 |
// Sub-stage with a free-form ":detail" suffix (e.g. the batched insert |
| 316 |
// emits 'staged_build_s2_insert:batch 4/12'). Strip the detail to find |
| 317 |
// the base label, then append the detail to what_happening so the GUI |
| 318 |
// shows "Bulk-loading redirects into build buffer (2/11) — batch 4/12". |
| 319 |
$colonPos = is_string($stage) ? strpos((string)$stage, ':') : false; |
| 320 |
if ($colonPos !== false) { |
| 321 |
$base = substr((string)$stage, 0, $colonPos); |
| 322 |
$detail = trim(substr((string)$stage, $colonPos + 1)); |
| 323 |
if (array_key_exists($base, $map)) { |
| 324 |
$entry = $map[$base]; |
| 325 |
if ($detail !== '') { |
| 326 |
$entry['what_happening'] = $entry['what_happening'] . ' — ' . $detail; |
| 327 |
} |
| 328 |
return $entry; |
| 329 |
} |
| 330 |
} |
| 331 |
return array( |
| 332 |
'query_label' => (string)$stage, |
| 333 |
'what_happening' => 'Running AJAX stage ' . (string)$stage, |
| 334 |
); |
| 335 |
} |
| 336 |
|
| 337 |
/** |
| 338 |
* Public version of setStage() that reads the AJAX requestId from the |
| 339 |
* global context rather than requiring a `&$context` reference. Used by |
| 340 |
* code paths (e.g. the staged view-build pipeline) that run beneath |
| 341 |
* DataAccess and don't have $context threaded through. |
| 342 |
* |
| 343 |
* Best-effort: if no AJAX context exists (background cron, CLI), this is |
| 344 |
* a no-op — no transient is written and no global is mutated. |
| 345 |
* |
| 346 |
* @param string $stage Stage label. May be a known key in |
| 347 |
* getStageDiagnostics(), or `<key>:<detail>` where |
| 348 |
* detail is appended to what_happening for mid-stage |
| 349 |
* progress messages (e.g. 'staged_build_s2_insert:batch 4/12'). |
| 350 |
* @return void |
| 351 |
*/ |
| 352 |
public static function markInflightStage($stage) { |
| 353 |
if (!isset($GLOBALS['abj404_ajax_context']) || !is_array($GLOBALS['abj404_ajax_context'])) { |
| 354 |
return; |
| 355 |
} |
| 356 |
$rawContext = $GLOBALS['abj404_ajax_context']; |
| 357 |
$context = array(); |
| 358 |
foreach ($rawContext as $key => $value) { |
| 359 |
if (is_string($key)) { |
| 360 |
$context[$key] = $value; |
| 361 |
} |
| 362 |
} |
| 363 |
self::setStage($context, (string)$stage); |
| 364 |
$GLOBALS['abj404_ajax_context'] = $context; |
| 365 |
} |
| 366 |
|
| 367 |
/** |
| 368 |
* @param int $type |
| 369 |
* @return bool |
| 370 |
*/ |
| 371 |
public static function isFatalErrorType($type) { |
| 372 |
$fatalTypes = array(E_ERROR, E_PARSE, E_CORE_ERROR, E_COMPILE_ERROR, E_USER_ERROR); |
| 373 |
return in_array($type, $fatalTypes, true); |
| 374 |
} |
| 375 |
|
| 376 |
/** |
| 377 |
* @param string $message |
| 378 |
* @param array<string, mixed>|null $details |
| 379 |
* @param bool $isPluginAdmin |
| 380 |
* @return array<string, mixed> |
| 381 |
*/ |
| 382 |
public static function buildAjaxErrorResponse($message, $details, $isPluginAdmin) { |
| 383 |
$data = array( |
| 384 |
'message' => $message, |
| 385 |
); |
| 386 |
if ($isPluginAdmin && $details !== null) { |
| 387 |
$data['details'] = $details; |
| 388 |
} |
| 389 |
return array( |
| 390 |
'success' => false, |
| 391 |
'data' => $data, |
| 392 |
); |
| 393 |
} |
| 394 |
|
| 395 |
/** |
| 396 |
* @param mixed $payload |
| 397 |
* @param int $httpStatus |
| 398 |
* @return void |
| 399 |
*/ |
| 400 |
public static function sendJsonResponseAndExit($payload, $httpStatus = 200) { |
| 401 |
if (!headers_sent()) { |
| 402 |
// Marker headers help support quickly identify that this response came from our AJAX endpoint. |
| 403 |
// These are safe to expose (no sensitive values). |
| 404 |
if (isset($GLOBALS['abj404_ajax_context']) && is_array($GLOBALS['abj404_ajax_context'])) { |
| 405 |
$ctx = $GLOBALS['abj404_ajax_context']; |
| 406 |
if (array_key_exists('action', $ctx) && is_string($ctx['action'])) { |
| 407 |
header('X-ABJ404-Ajax: ' . preg_replace('/[\r\n]+/', '', $ctx['action'])); |
| 408 |
} |
| 409 |
if (array_key_exists('subpage', $ctx) && is_string($ctx['subpage']) && $ctx['subpage'] !== '') { |
| 410 |
header('X-ABJ404-Subpage: ' . preg_replace('/[\r\n]+/', '', $ctx['subpage'])); |
| 411 |
} |
| 412 |
if (array_key_exists('requestId', $ctx) && is_string($ctx['requestId']) && $ctx['requestId'] !== '') { |
| 413 |
header('X-ABJ404-Request-Id: ' . preg_replace('/[^a-zA-Z0-9]/', '', $ctx['requestId'])); |
| 414 |
} |
| 415 |
} |
| 416 |
header('Content-type: application/json; charset=UTF-8'); |
| 417 |
if (function_exists('status_header')) { |
| 418 |
status_header($httpStatus); |
| 419 |
} else if (function_exists('http_response_code')) { |
| 420 |
http_response_code($httpStatus); |
| 421 |
} |
| 422 |
} |
| 423 |
echo json_encode($payload); |
| 424 |
|
| 425 |
// Test hook: tests register `abj404_should_exit` returning false to skip exit. |
| 426 |
if (!apply_filters('abj404_should_exit', true, array('source' => 'viewUpdater_emitJson'))) { |
| 427 |
return; |
| 428 |
} |
| 429 |
|
| 430 |
// Flush the response to the web server immediately so shutdown hooks |
| 431 |
// (e.g. hits table rebuild) don't block the HTTP connection. Without this, |
| 432 |
// reverse proxies like Cloudflare may time out (HTTP 524) if a shutdown |
| 433 |
// hook runs a slow query, because the HTTP response isn't delivered until |
| 434 |
// PHP exits. |
| 435 |
if (function_exists('ob_end_flush')) { |
| 436 |
while (ob_get_level() > 0) { |
| 437 |
ob_end_flush(); |
| 438 |
} |
| 439 |
} |
| 440 |
if (function_exists('flush')) { |
| 441 |
flush(); |
| 442 |
} |
| 443 |
if (function_exists('fastcgi_finish_request')) { |
| 444 |
fastcgi_finish_request(); |
| 445 |
} |
| 446 |
|
| 447 |
exit; |
| 448 |
} |
| 449 |
|
| 450 |
/** |
| 451 |
* @param object|null $abj404view |
| 452 |
* @return object |
| 453 |
*/ |
| 454 |
private static function resolveViewInstance(&$abj404view) { |
| 455 |
if (is_object($abj404view)) { |
| 456 |
return $abj404view; |
| 457 |
} |
| 458 |
if (function_exists('abj_service')) { |
| 459 |
$resolved = abj_service('view'); |
| 460 |
if (is_object($resolved)) { |
| 461 |
$abj404view = $resolved; |
| 462 |
return $abj404view; |
| 463 |
} |
| 464 |
} |
| 465 |
throw new Exception('ABJ404 view service not initialized (abj404view is null).'); |
| 466 |
} |
| 467 |
|
| 468 |
// safeJsonEncode / redactSqlShape / safeLogAjaxFailure / |
| 469 |
// extractViewQueryDiagnostics live on ABJ_404_Solution_AjaxFailureLoggingTrait |
| 470 |
// (see includes/ajax/AjaxFailureLoggingTrait.php). self::method() calls |
| 471 |
// resolve through the trait composition unchanged. |
| 472 |
|
| 473 |
/** |
| 474 |
* @param array<string, mixed> $context |
| 475 |
* @return array<string, mixed> |
| 476 |
*/ |
| 477 |
private static function startAjaxDebugContext($context) { |
| 478 |
if (!is_array($context)) { |
| 479 |
$context = array(); |
| 480 |
} |
| 481 |
|
| 482 |
// Keep minimal state in a global so the global shutdown handler can act on it. |
| 483 |
// Mark that this context was created internally by this handler (not user input). |
| 484 |
$context['abj404_context_source'] = 'ViewUpdater::getPaginationLinks'; |
| 485 |
$context['ajax_expected_json'] = true; |
| 486 |
$context['response_sent'] = false; |
| 487 |
$context['ob_level_before'] = ob_get_level(); |
| 488 |
// Client-supplied request id for in-flight stage diagnostics (see setStage()). |
| 489 |
// The browser generates this so it has a key to look up the stage even when |
| 490 |
// a pure timeout means no response/header ever arrived. |
| 491 |
$context['requestId'] = self::readClientRequestId(); |
| 492 |
|
| 493 |
// Prevent WordPress's "critical error" HTML page from masking details for AJAX calls. |
| 494 |
if (!headers_sent()) { |
| 495 |
// Marker headers help support quickly identify that this response came from our AJAX endpoint. |
| 496 |
// These are safe to expose (no sensitive values). |
| 497 |
if (array_key_exists('action', $context) && is_string($context['action'])) { |
| 498 |
header('X-ABJ404-Ajax: ' . preg_replace('/[\r\n]+/', '', $context['action'])); |
| 499 |
} |
| 500 |
if (array_key_exists('subpage', $context) && is_string($context['subpage']) && $context['subpage'] !== '') { |
| 501 |
header('X-ABJ404-Subpage: ' . preg_replace('/[\r\n]+/', '', $context['subpage'])); |
| 502 |
} |
| 503 |
if ($context['requestId'] !== '') { |
| 504 |
header('X-ABJ404-Request-Id: ' . $context['requestId']); |
| 505 |
} |
| 506 |
@ini_set('display_errors', '0'); |
| 507 |
} |
| 508 |
if (apply_filters('abj404_should_manage_output_buffer', true, array('source' => 'viewUpdater_startAjaxDebugContext'))) { |
| 509 |
@ob_start(); |
| 510 |
} |
| 511 |
|
| 512 |
$GLOBALS['abj404_ajax_context'] = $context; |
| 513 |
return $context; |
| 514 |
} |
| 515 |
|
| 516 |
/** @return void */ |
| 517 |
private static function markAjaxResponseSent() { |
| 518 |
if (isset($GLOBALS['abj404_ajax_context']) && is_array($GLOBALS['abj404_ajax_context'])) { |
| 519 |
$GLOBALS['abj404_ajax_context']['response_sent'] = true; |
| 520 |
} |
| 521 |
} |
| 522 |
|
| 523 |
/** @return string */ |
| 524 |
private static function getAndClearAjaxBufferedOutput() { |
| 525 |
if (!apply_filters('abj404_should_manage_output_buffer', true, array('source' => 'viewUpdater_getAndClearAjaxBufferedOutput'))) { |
| 526 |
return ''; |
| 527 |
} |
| 528 |
|
| 529 |
$out = ''; |
| 530 |
if (ob_get_level() > 0) { |
| 531 |
$out = (string)ob_get_contents(); |
| 532 |
} |
| 533 |
|
| 534 |
if (isset($GLOBALS['abj404_ajax_context']) && is_array($GLOBALS['abj404_ajax_context'])) { |
| 535 |
$minLevel = array_key_exists('ob_level_before', $GLOBALS['abj404_ajax_context']) |
| 536 |
? intval($GLOBALS['abj404_ajax_context']['ob_level_before']) : 0; |
| 537 |
while (ob_get_level() > $minLevel) { |
| 538 |
@ob_end_clean(); |
| 539 |
} |
| 540 |
} else { |
| 541 |
while (ob_get_level() > 0) { |
| 542 |
@ob_end_clean(); |
| 543 |
} |
| 544 |
} |
| 545 |
|
| 546 |
return $out; |
| 547 |
} |
| 548 |
|
| 549 |
/** @return void */ |
| 550 |
function getPaginationLinks() { |
| 551 |
$abj404dao = abj_service('data_access'); |
| 552 |
$abj404logic = abj_service('plugin_logic'); |
| 553 |
global $abj404view; |
| 554 |
|
| 555 |
$rowsPerPage = absint($abj404dao->getPostOrGetSanitize('rowsPerPage')); |
| 556 |
$subpage = $abj404dao->getPostOrGetSanitize('subpage'); |
| 557 |
$nonce = $abj404dao->getPostOrGetSanitize('nonce'); |
| 558 |
$page = $abj404dao->getPostOrGetSanitize('page', ''); |
| 559 |
$filterText = $abj404dao->getPostOrGetSanitize('filterText', ''); |
| 560 |
$filter = $abj404dao->getPostOrGetSanitize('filter', ''); |
| 561 |
$detectOnly = ((string)$abj404dao->getPostOrGetSanitize('detectOnly', '0') === '1'); |
| 562 |
$cacheModeRaw = (string)$abj404dao->getPostOrGetSanitize('cacheMode', 'normal'); |
| 563 |
$cacheMode = in_array($cacheModeRaw, array('normal', 'cache_or_pending', 'refresh_cache'), true) |
| 564 |
? $cacheModeRaw : 'normal'; |
| 565 |
$currentSignature = strtolower(trim((string)$abj404dao->getPostOrGetSanitize('currentSignature', ''))); |
| 566 |
if (strlen($currentSignature) > 128) { |
| 567 |
$currentSignature = substr($currentSignature, 0, 128); |
| 568 |
} |
| 569 |
|
| 570 |
$isPluginAdmin = false; |
| 571 |
$context = array( |
| 572 |
'action' => 'ajaxUpdatePaginationLinks', |
| 573 |
'page' => $page, |
| 574 |
'subpage' => $subpage, |
| 575 |
'rowsPerPage' => $rowsPerPage, |
| 576 |
'filterText_length' => strlen((string)$filterText), |
| 577 |
'filter' => $filter, |
| 578 |
'detectOnly' => $detectOnly ? 1 : 0, |
| 579 |
'cacheMode' => $cacheMode, |
| 580 |
'currentSignature_length' => strlen($currentSignature), |
| 581 |
'request_uri' => array_key_exists('REQUEST_URI', $_SERVER) ? $_SERVER['REQUEST_URI'] : '', |
| 582 |
'user_id' => function_exists('get_current_user_id') ? get_current_user_id() : 0, |
| 583 |
); |
| 584 |
$context = self::startAjaxDebugContext($context); |
| 585 |
|
| 586 |
try { |
| 587 |
// Verify nonce for CSRF protection |
| 588 |
if (!wp_verify_nonce($nonce, 'abj404_updatePaginationLink')) { |
| 589 |
self::safeLogAjaxFailure('AJAX invalid nonce in ajaxUpdatePaginationLinks.', $context); |
| 590 |
self::markAjaxResponseSent(); |
| 591 |
$payload = self::buildAjaxErrorResponse('Invalid security token', null, false); |
| 592 |
self::sendJsonResponseAndExit($payload, 403); |
| 593 |
return; |
| 594 |
} |
| 595 |
|
| 596 |
// Verify user has appropriate capabilities (respects plugin admin users) |
| 597 |
$abj404logic = abj_service('plugin_logic'); |
| 598 |
$isPluginAdmin = $abj404logic->userIsPluginAdmin(); |
| 599 |
if (isset($GLOBALS['abj404_ajax_context']) && is_array($GLOBALS['abj404_ajax_context'])) { |
| 600 |
$GLOBALS['abj404_ajax_context']['is_plugin_admin'] = $isPluginAdmin; |
| 601 |
} |
| 602 |
if (!$isPluginAdmin) { |
| 603 |
self::safeLogAjaxFailure('AJAX unauthorized in ajaxUpdatePaginationLinks.', $context); |
| 604 |
self::markAjaxResponseSent(); |
| 605 |
$payload = self::buildAjaxErrorResponse('Unauthorized', null, false); |
| 606 |
self::sendJsonResponseAndExit($payload, 403); |
| 607 |
return; |
| 608 |
} |
| 609 |
|
| 610 |
// Rate limiting to prevent abuse. |
| 611 |
// This endpoint is hit by first-paint table loads, filter typing, pagination, and |
| 612 |
// background detect-only checks; 100/min can throttle normal admin usage and leave |
| 613 |
// tables stuck on "Loading…" under active workflows. |
| 614 |
// Keep the protection, but use high ceilings for authenticated plugin-admin traffic. |
| 615 |
// Parallel admin workflows can legitimately burst well above a few hundred requests/min. |
| 616 |
$maxRequestsPerMinute = $detectOnly ? 3000 : 1500; |
| 617 |
if (ABJ_404_Solution_Ajax_Php::checkRateLimit('update_pagination', $maxRequestsPerMinute, 60)) { |
| 618 |
self::safeLogAjaxFailure('AJAX rate limit in ajaxUpdatePaginationLinks.', $context); |
| 619 |
self::markAjaxResponseSent(); |
| 620 |
$payload = self::buildAjaxErrorResponse('Rate limit exceeded. Please try again later.', null, false); |
| 621 |
self::sendJsonResponseAndExit($payload, 429); |
| 622 |
return; |
| 623 |
} |
| 624 |
|
| 625 |
// Update the perpage option (but only if provided). |
| 626 |
// Some environments may omit rowsPerPage on Enter key events; avoid unnecessary option writes. |
| 627 |
if ($rowsPerPage > 0) { |
| 628 |
$abj404logic->updatePerPageOption($rowsPerPage); |
| 629 |
} |
| 630 |
|
| 631 |
/** @var ABJ_404_Solution_View $view */ |
| 632 |
$view = self::resolveViewInstance($abj404view); |
| 633 |
|
| 634 |
// View-build gate: never let an AJAX fetch trigger an inline staged |
| 635 |
// build. If the precomputed view_done table is not serveable |
| 636 |
// (missing or invalidated by a recent redirect edit), respond |
| 637 |
// immediately with `viewBuildPending` and let the JS poller hit |
| 638 |
// ajaxAdvanceViewBuild repeatedly to advance the build one tick |
| 639 |
// per call. No HTTP 500 path from build pressure can happen here. |
| 640 |
if (($subpage === 'abj404_redirects' || $subpage === 'abj404_captured') |
| 641 |
&& !$detectOnly |
| 642 |
&& is_object($abj404dao) |
| 643 |
&& method_exists($abj404dao, 'viewDoneIsServeable') |
| 644 |
&& !$abj404dao->viewDoneIsServeable()) { |
| 645 |
$stage = ($subpage === 'abj404_captured') ? 'table_captured' : 'table_redirects'; |
| 646 |
self::setStage($context, $stage); |
| 647 |
$progress = method_exists($abj404dao, 'getViewBuildProgress') |
| 648 |
? $abj404dao->getViewBuildProgress() |
| 649 |
: array('status' => 'pending', 'stage' => 0, 'of' => 11, |
| 650 |
'build_started' => 0, 'progress_text' => 'not yet started'); |
| 651 |
self::markAjaxResponseSent(); |
| 652 |
self::getAndClearAjaxBufferedOutput(); |
| 653 |
self::sendJsonResponseAndExit(array( |
| 654 |
'viewBuildPending' => true, |
| 655 |
'cacheMode' => $cacheMode, |
| 656 |
'subpage' => $subpage, |
| 657 |
'progress' => $progress, |
| 658 |
'message' => __('Preparing the redirects view table. Please wait.', '404-solution'), |
| 659 |
), 200); |
| 660 |
return; |
| 661 |
} |
| 662 |
|
| 663 |
if ($cacheMode === 'cache_or_pending' |
| 664 |
&& !$detectOnly |
| 665 |
&& ($subpage === 'abj404_redirects' || $subpage === 'abj404_captured') |
| 666 |
&& is_object($abj404dao) |
| 667 |
&& method_exists($abj404dao, 'viewTableSnapshotAvailable')) { |
| 668 |
$stage = ($subpage === 'abj404_captured') ? 'table_captured' : 'table_redirects'; |
| 669 |
self::setStage($context, $stage); |
| 670 |
$tableOptions = $abj404logic->getTableOptions($subpage); |
| 671 |
if (!$abj404dao->viewTableSnapshotAvailable($subpage, $tableOptions)) { |
| 672 |
self::markAjaxResponseSent(); |
| 673 |
self::getAndClearAjaxBufferedOutput(); |
| 674 |
self::sendJsonResponseAndExit(array( |
| 675 |
'cachePending' => true, |
| 676 |
'cacheMode' => $cacheMode, |
| 677 |
'subpage' => $subpage, |
| 678 |
'message' => __('Preparing table data in the background.', '404-solution'), |
| 679 |
), 200); |
| 680 |
return; |
| 681 |
} |
| 682 |
} |
| 683 |
|
| 684 |
$data = array(); |
| 685 |
if ($subpage == 'abj404_redirects') { |
| 686 |
self::setStage($context, 'table_redirects'); |
| 687 |
$data['table'] = $view->getAdminRedirectsPageTable($subpage); |
| 688 |
|
| 689 |
// Include tab counts so the page shell can render instantly with |
| 690 |
// placeholders and fill them in. The slower health-bar query |
| 691 |
// (getHighImpactCapturedCount, see refreshHealthBar()) is fetched |
| 692 |
// in a separate AJAX call so it never blocks first paint of the table. |
| 693 |
self::setStage($context, 'redirect_status_counts'); |
| 694 |
$statusCounts = $abj404dao->getRedirectStatusCounts(); |
| 695 |
// Tab counts keyed by filter value for JS tab updates. |
| 696 |
$data['tabCounts'] = array( |
| 697 |
'0' => $statusCounts['all'] ?? 0, |
| 698 |
(string)ABJ404_STATUS_MANUAL => $statusCounts['manual'] ?? 0, |
| 699 |
(string)ABJ404_STATUS_AUTO => $statusCounts['auto'] ?? 0, |
| 700 |
(string)ABJ404_TRASH_FILTER => $statusCounts['trash'] ?? 0, |
| 701 |
); |
| 702 |
|
| 703 |
} else if ($subpage == 'abj404_captured') { |
| 704 |
self::setStage($context, 'table_captured'); |
| 705 |
$data['table'] = $view->getCapturedURLSPageTable($subpage); |
| 706 |
|
| 707 |
// Include tab counts so the page shell can render instantly. |
| 708 |
self::setStage($context, 'captured_status_counts'); |
| 709 |
$statusCounts = $abj404dao->getCapturedStatusCounts(); |
| 710 |
$data['statusCounts'] = $statusCounts; |
| 711 |
// Tab counts keyed by filter value for JS tab updates. |
| 712 |
// Includes the "handled" composite count for simple mode. |
| 713 |
$data['tabCounts'] = array( |
| 714 |
'0' => $statusCounts['all'] ?? 0, |
| 715 |
(string)ABJ404_STATUS_CAPTURED => $statusCounts['captured'] ?? 0, |
| 716 |
(string)ABJ404_STATUS_IGNORED => $statusCounts['ignored'] ?? 0, |
| 717 |
(string)ABJ404_STATUS_LATER => $statusCounts['later'] ?? 0, |
| 718 |
(string)ABJ404_TRASH_FILTER => $statusCounts['trash'] ?? 0, |
| 719 |
(string)ABJ404_HANDLED_FILTER => ($statusCounts['ignored'] ?? 0) + ($statusCounts['later'] ?? 0) + ($statusCounts['trash'] ?? 0), |
| 720 |
); |
| 721 |
|
| 722 |
} else if ($subpage == 'abj404_logs') { |
| 723 |
self::setStage($context, 'table_logs'); |
| 724 |
$data['table'] = $view->getAdminLogsPageTable($subpage); |
| 725 |
|
| 726 |
} else { |
| 727 |
$data['table'] = 'Error: Unexpected subpage requested.'; |
| 728 |
} |
| 729 |
|
| 730 |
$tableSignature = ''; |
| 731 |
if (is_object($view) && method_exists($view, 'getCurrentTableDataSignature')) { |
| 732 |
$tableSignature = (string)$view->getCurrentTableDataSignature($subpage); |
| 733 |
} |
| 734 |
$data['tableSignature'] = $tableSignature; |
| 735 |
if ($detectOnly) { |
| 736 |
$signaturesMatch = false; |
| 737 |
if ($currentSignature !== '' && $tableSignature !== '') { |
| 738 |
if (function_exists('hash_equals')) { |
| 739 |
$signaturesMatch = hash_equals($currentSignature, $tableSignature); |
| 740 |
} else { |
| 741 |
$signaturesMatch = ($currentSignature === $tableSignature); |
| 742 |
} |
| 743 |
} |
| 744 |
$data['hasUpdate'] = ( |
| 745 |
$currentSignature !== '' && |
| 746 |
$tableSignature !== '' && |
| 747 |
!$signaturesMatch |
| 748 |
); |
| 749 |
} |
| 750 |
|
| 751 |
self::setStage($context, 'paginationLinksTop'); |
| 752 |
$data['paginationLinksTop'] = $view->getPaginationLinks($subpage); |
| 753 |
self::setStage($context, 'paginationLinksBottom'); |
| 754 |
$data['paginationLinksBottom'] = $view->getPaginationLinks($subpage, false); |
| 755 |
|
| 756 |
self::markAjaxResponseSent(); |
| 757 |
self::getAndClearAjaxBufferedOutput(); |
| 758 |
self::sendJsonResponseAndExit($data, 200); |
| 759 |
return; |
| 760 |
|
| 761 |
} catch (Throwable $e) { |
| 762 |
// Race recovery: viewDoneIsServeable() can race with invalidateViewDone(); |
| 763 |
// surface the pending shape the JS poller already handles, never a 500. |
| 764 |
$pending = ABJ_404_Solution_ViewBuildPendingResponseBuilder::find($e); |
| 765 |
if ($pending !== null) { |
| 766 |
self::markAjaxResponseSent(); |
| 767 |
self::getAndClearAjaxBufferedOutput(); |
| 768 |
self::sendJsonResponseAndExit( |
| 769 |
ABJ_404_Solution_ViewBuildPendingResponseBuilder::fetchResponse($abj404dao, $subpage, $cacheMode, $pending), |
| 770 |
200 |
| 771 |
); |
| 772 |
return; |
| 773 |
} |
| 774 |
// Determine admin status for diagnostics (never shown to non-admins). |
| 775 |
// If PluginLogic is broken/throws, fall back to WordPress capability checks so real admins can still see details. |
| 776 |
if (!$isPluginAdmin) { |
| 777 |
$abj404logic = abj_service('plugin_logic'); |
| 778 |
if (is_object($abj404logic) && method_exists($abj404logic, 'userIsPluginAdmin')) { |
| 779 |
try { |
| 780 |
$isPluginAdmin = (bool)$abj404logic->userIsPluginAdmin(); |
| 781 |
} catch (Throwable $ignored) { |
| 782 |
$isPluginAdmin = false; |
| 783 |
} |
| 784 |
} |
| 785 |
if (!$isPluginAdmin) { |
| 786 |
// Best-effort fallback: treat WordPress administrators as plugin admins for debugging |
| 787 |
// if PluginLogic is broken. Avoid current_user_can() to keep delegated admin semantics |
| 788 |
// centralized in PluginLogic. |
| 789 |
if (function_exists('wp_get_current_user')) { |
| 790 |
$user = ABJ_404_Solution_UserRef::fromWpUser(wp_get_current_user()); |
| 791 |
if ($user !== null) { |
| 792 |
$isPluginAdmin = $user->isAdministrator(); |
| 793 |
} |
| 794 |
} |
| 795 |
if (!$isPluginAdmin && function_exists('is_super_admin') && is_super_admin()) { |
| 796 |
$isPluginAdmin = true; |
| 797 |
} |
| 798 |
} |
| 799 |
if (isset($GLOBALS['abj404_ajax_context']) && is_array($GLOBALS['abj404_ajax_context'])) { |
| 800 |
$GLOBALS['abj404_ajax_context']['is_plugin_admin'] = $isPluginAdmin; |
| 801 |
} |
| 802 |
} |
| 803 |
|
| 804 |
$details = array( |
| 805 |
'exception' => array( |
| 806 |
'message' => $e->getMessage(), |
| 807 |
'file' => $e->getFile(), |
| 808 |
'line' => $e->getLine(), |
| 809 |
'trace' => $e->getTraceAsString(), |
| 810 |
), |
| 811 |
'context' => $context, |
| 812 |
); |
| 813 |
if (isset($GLOBALS['wpdb']) && is_object($GLOBALS['wpdb'])) { |
| 814 |
$lastQuery = $GLOBALS['wpdb']->last_query ?? ''; |
| 815 |
$details['wpdb'] = array( |
| 816 |
'last_error' => $GLOBALS['wpdb']->last_error ?? '', |
| 817 |
'last_query_redacted' => self::redactSqlShape($lastQuery), |
| 818 |
'last_query_length' => is_string($lastQuery) ? strlen($lastQuery) : 0, |
| 819 |
); |
| 820 |
} |
| 821 |
$viewQueryDiagnostics = self::extractViewQueryDiagnostics($e); |
| 822 |
if ($viewQueryDiagnostics !== null) { |
| 823 |
$details['view_query_diagnostics'] = $viewQueryDiagnostics; |
| 824 |
} |
| 825 |
|
| 826 |
// Always log to the plugin debug file, regardless of admin status. |
| 827 |
self::safeLogAjaxFailure('AJAX exception in ajaxUpdatePaginationLinks.', $details, $e); |
| 828 |
$capturedOutput = self::getAndClearAjaxBufferedOutput(); |
| 829 |
if ($capturedOutput !== '') { |
| 830 |
$details['buffered_output'] = substr($capturedOutput, 0, 8000); |
| 831 |
} |
| 832 |
|
| 833 |
self::markAjaxResponseSent(); |
| 834 |
$payload = self::buildAjaxErrorResponse( |
| 835 |
'Server error while updating the table.', |
| 836 |
$details, |
| 837 |
$isPluginAdmin |
| 838 |
); |
| 839 |
self::sendJsonResponseAndExit($payload, 500); |
| 840 |
return; |
| 841 |
} |
| 842 |
} |
| 843 |
|
| 844 |
/** @return void */ |
| 845 |
function warmTableCache() { |
| 846 |
$abj404dao = abj_service('data_access'); |
| 847 |
$abj404logic = abj_service('plugin_logic'); |
| 848 |
|
| 849 |
$rowsPerPage = absint($abj404dao->getPostOrGetSanitize('rowsPerPage')); |
| 850 |
$subpage = $abj404dao->getPostOrGetSanitize('subpage'); |
| 851 |
$nonce = $abj404dao->getPostOrGetSanitize('nonce'); |
| 852 |
$page = $abj404dao->getPostOrGetSanitize('page', ''); |
| 853 |
$filterText = $abj404dao->getPostOrGetSanitize('filterText', ''); |
| 854 |
$filter = $abj404dao->getPostOrGetSanitize('filter', ''); |
| 855 |
|
| 856 |
$isPluginAdmin = false; |
| 857 |
$context = array( |
| 858 |
'action' => 'ajaxWarmTableCache', |
| 859 |
'page' => $page, |
| 860 |
'subpage' => $subpage, |
| 861 |
'rowsPerPage' => $rowsPerPage, |
| 862 |
'filterText_length' => strlen((string)$filterText), |
| 863 |
'filter' => $filter, |
| 864 |
'request_uri' => array_key_exists('REQUEST_URI', $_SERVER) ? $_SERVER['REQUEST_URI'] : '', |
| 865 |
'user_id' => function_exists('get_current_user_id') ? get_current_user_id() : 0, |
| 866 |
); |
| 867 |
$context = self::startAjaxDebugContext($context); |
| 868 |
|
| 869 |
try { |
| 870 |
if (!wp_verify_nonce($nonce, 'abj404_updatePaginationLink')) { |
| 871 |
self::safeLogAjaxFailure('AJAX invalid nonce in ajaxWarmTableCache.', $context); |
| 872 |
self::markAjaxResponseSent(); |
| 873 |
self::sendJsonResponseAndExit(self::buildAjaxErrorResponse('Invalid security token', null, false), 403); |
| 874 |
return; |
| 875 |
} |
| 876 |
|
| 877 |
$isPluginAdmin = $abj404logic->userIsPluginAdmin(); |
| 878 |
if (!$isPluginAdmin) { |
| 879 |
self::safeLogAjaxFailure('AJAX unauthorized in ajaxWarmTableCache.', $context); |
| 880 |
self::markAjaxResponseSent(); |
| 881 |
self::sendJsonResponseAndExit(self::buildAjaxErrorResponse('Unauthorized', null, false), 403); |
| 882 |
return; |
| 883 |
} |
| 884 |
|
| 885 |
if (ABJ_404_Solution_Ajax_Php::checkRateLimit('warm_table_cache', 1500, 60)) { |
| 886 |
self::safeLogAjaxFailure('AJAX rate limit in ajaxWarmTableCache.', $context); |
| 887 |
self::markAjaxResponseSent(); |
| 888 |
self::sendJsonResponseAndExit(self::buildAjaxErrorResponse('Rate limit exceeded. Please try again later.', null, false), 429); |
| 889 |
return; |
| 890 |
} |
| 891 |
|
| 892 |
if ($rowsPerPage > 0) { |
| 893 |
$abj404logic->updatePerPageOption($rowsPerPage); |
| 894 |
} |
| 895 |
|
| 896 |
if ($subpage !== 'abj404_redirects' && $subpage !== 'abj404_captured') { |
| 897 |
self::markAjaxResponseSent(); |
| 898 |
self::getAndClearAjaxBufferedOutput(); |
| 899 |
self::sendJsonResponseAndExit(array( |
| 900 |
'status' => 'ready', |
| 901 |
'ready' => true, |
| 902 |
'uncached' => true, |
| 903 |
'stage' => 'rows', |
| 904 |
'stageNumber' => 1, |
| 905 |
'queryLabel' => 'getRedirectsForView', |
| 906 |
), 200); |
| 907 |
return; |
| 908 |
} |
| 909 |
|
| 910 |
// Same view-build gate as the fetch endpoint: warming the snapshot |
| 911 |
// cache calls getRedirectsForView, which will inline-build the |
| 912 |
// staged view_done if missing. When view_done is not serveable, |
| 913 |
// the JS poller must advance the build via ajaxAdvanceViewBuild |
| 914 |
// before the snapshot warm can start. Returning ready=false here |
| 915 |
// keeps the placeholder hydration loop running until then. |
| 916 |
if (is_object($abj404dao) && method_exists($abj404dao, 'viewDoneIsServeable') |
| 917 |
&& !$abj404dao->viewDoneIsServeable()) { |
| 918 |
$progress = method_exists($abj404dao, 'getViewBuildProgress') |
| 919 |
? $abj404dao->getViewBuildProgress() |
| 920 |
: array('status' => 'pending', 'stage' => 0, 'of' => 11, |
| 921 |
'build_started' => 0, 'progress_text' => 'not yet started'); |
| 922 |
self::markAjaxResponseSent(); |
| 923 |
self::getAndClearAjaxBufferedOutput(); |
| 924 |
self::sendJsonResponseAndExit(array( |
| 925 |
'status' => 'pending', |
| 926 |
'ready' => false, |
| 927 |
'viewBuildPending' => true, |
| 928 |
'stage' => 'rows', |
| 929 |
'stageNumber' => 1, |
| 930 |
'queryLabel' => 'getRedirectsForView', |
| 931 |
'progress' => $progress, |
| 932 |
), 200); |
| 933 |
return; |
| 934 |
} |
| 935 |
|
| 936 |
$tableOptions = $abj404logic->getTableOptions($subpage); |
| 937 |
$stage = 'table_cache_rows'; |
| 938 |
if (is_object($abj404dao) && method_exists($abj404dao, 'viewRowsSnapshotAvailable') |
| 939 |
&& $abj404dao->viewRowsSnapshotAvailable($subpage, $tableOptions)) { |
| 940 |
$stage = 'table_cache_count'; |
| 941 |
} |
| 942 |
self::setStage($context, $stage); |
| 943 |
$warmup = $abj404dao->warmViewTableSnapshotStage($subpage, $tableOptions); |
| 944 |
|
| 945 |
self::markAjaxResponseSent(); |
| 946 |
self::getAndClearAjaxBufferedOutput(); |
| 947 |
self::sendJsonResponseAndExit($warmup, 200); |
| 948 |
return; |
| 949 |
} catch (Throwable $e) { |
| 950 |
// Race recovery: same defense as getPaginationLinks. The warm |
| 951 |
// path uses a different response shape because the JS placeholder |
| 952 |
// hydration consumes ready=false directly. |
| 953 |
$pending = ABJ_404_Solution_ViewBuildPendingResponseBuilder::find($e); |
| 954 |
if ($pending !== null) { |
| 955 |
self::markAjaxResponseSent(); |
| 956 |
self::getAndClearAjaxBufferedOutput(); |
| 957 |
self::sendJsonResponseAndExit( |
| 958 |
ABJ_404_Solution_ViewBuildPendingResponseBuilder::warmResponse($abj404dao, $pending), |
| 959 |
200 |
| 960 |
); |
| 961 |
return; |
| 962 |
} |
| 963 |
if (!$isPluginAdmin) { |
| 964 |
$abj404logic = abj_service('plugin_logic'); |
| 965 |
if (is_object($abj404logic) && method_exists($abj404logic, 'userIsPluginAdmin')) { |
| 966 |
try { |
| 967 |
$isPluginAdmin = (bool)$abj404logic->userIsPluginAdmin(); |
| 968 |
} catch (Throwable $ignored) { |
| 969 |
$isPluginAdmin = false; |
| 970 |
} |
| 971 |
} |
| 972 |
} |
| 973 |
|
| 974 |
$details = array( |
| 975 |
'exception' => array( |
| 976 |
'message' => $e->getMessage(), |
| 977 |
'file' => $e->getFile(), |
| 978 |
'line' => $e->getLine(), |
| 979 |
'trace' => $e->getTraceAsString(), |
| 980 |
), |
| 981 |
'context' => $context, |
| 982 |
); |
| 983 |
$viewQueryDiagnostics = self::extractViewQueryDiagnostics($e); |
| 984 |
if ($viewQueryDiagnostics !== null) { |
| 985 |
$details['view_query_diagnostics'] = $viewQueryDiagnostics; |
| 986 |
} |
| 987 |
self::safeLogAjaxFailure('AJAX exception in ajaxWarmTableCache.', $details, $e); |
| 988 |
$capturedOutput = self::getAndClearAjaxBufferedOutput(); |
| 989 |
if ($capturedOutput !== '') { |
| 990 |
$details['buffered_output'] = substr($capturedOutput, 0, 8000); |
| 991 |
} |
| 992 |
|
| 993 |
self::markAjaxResponseSent(); |
| 994 |
self::sendJsonResponseAndExit( |
| 995 |
self::buildAjaxErrorResponse('Server error while preparing table data.', $details, $isPluginAdmin), |
| 996 |
500 |
| 997 |
); |
| 998 |
return; |
| 999 |
} |
| 1000 |
} |
| 1001 |
|
| 1002 |
/** @return void */ |
| 1003 |
function refreshStatsDashboard() { |
| 1004 |
$abj404dao = abj_service('data_access'); |
| 1005 |
$abj404logic = abj_service('plugin_logic'); |
| 1006 |
|
| 1007 |
$nonce = $abj404dao->getPostOrGetSanitize('nonce'); |
| 1008 |
$page = $abj404dao->getPostOrGetSanitize('page', ''); |
| 1009 |
$subpage = $abj404dao->getPostOrGetSanitize('subpage', ''); |
| 1010 |
$currentHash = $abj404dao->getPostOrGetSanitize('currentHash', ''); |
| 1011 |
|
| 1012 |
$isPluginAdmin = false; |
| 1013 |
$context = array( |
| 1014 |
'action' => 'ajaxRefreshStatsDashboard', |
| 1015 |
'page' => $page, |
| 1016 |
'subpage' => $subpage, |
| 1017 |
'request_uri' => array_key_exists('REQUEST_URI', $_SERVER) ? $_SERVER['REQUEST_URI'] : '', |
| 1018 |
'user_id' => function_exists('get_current_user_id') ? get_current_user_id() : 0, |
| 1019 |
); |
| 1020 |
$context = self::startAjaxDebugContext($context); |
| 1021 |
|
| 1022 |
try { |
| 1023 |
if (!wp_verify_nonce($nonce, 'abj404_refreshStatsDashboard')) { |
| 1024 |
self::safeLogAjaxFailure('AJAX invalid nonce in ajaxRefreshStatsDashboard.', $context); |
| 1025 |
self::markAjaxResponseSent(); |
| 1026 |
$payload = self::buildAjaxErrorResponse('Invalid security token', null, false); |
| 1027 |
self::sendJsonResponseAndExit($payload, 403); |
| 1028 |
return; |
| 1029 |
} |
| 1030 |
|
| 1031 |
$isPluginAdmin = $abj404logic->userIsPluginAdmin(); |
| 1032 |
if (!$isPluginAdmin) { |
| 1033 |
self::safeLogAjaxFailure('AJAX unauthorized in ajaxRefreshStatsDashboard.', $context); |
| 1034 |
self::markAjaxResponseSent(); |
| 1035 |
$payload = self::buildAjaxErrorResponse('Unauthorized', null, false); |
| 1036 |
self::sendJsonResponseAndExit($payload, 403); |
| 1037 |
return; |
| 1038 |
} |
| 1039 |
|
| 1040 |
if (ABJ_404_Solution_Ajax_Php::checkRateLimit('refresh_stats_dashboard', 30, 60)) { |
| 1041 |
self::safeLogAjaxFailure('AJAX rate limit in ajaxRefreshStatsDashboard.', $context); |
| 1042 |
self::markAjaxResponseSent(); |
| 1043 |
$payload = self::buildAjaxErrorResponse('Rate limit exceeded. Please try again later.', null, false); |
| 1044 |
self::sendJsonResponseAndExit($payload, 429); |
| 1045 |
return; |
| 1046 |
} |
| 1047 |
|
| 1048 |
$snapshot = $abj404dao->refreshStatsDashboardSnapshot(false); |
| 1049 |
$newHash = $snapshot['hash']; |
| 1050 |
$hasUpdate = ($newHash !== '' && ($currentHash === '' || $newHash !== $currentHash)); |
| 1051 |
|
| 1052 |
$response = array( |
| 1053 |
'hasUpdate' => $hasUpdate, |
| 1054 |
'hash' => $newHash, |
| 1055 |
'refreshedAt' => intval($snapshot['refreshed_at']), |
| 1056 |
); |
| 1057 |
|
| 1058 |
self::markAjaxResponseSent(); |
| 1059 |
self::getAndClearAjaxBufferedOutput(); |
| 1060 |
self::sendJsonResponseAndExit($response, 200); |
| 1061 |
return; |
| 1062 |
|
| 1063 |
} catch (Throwable $e) { |
| 1064 |
if (!$isPluginAdmin) { |
| 1065 |
$abj404logic = abj_service('plugin_logic'); |
| 1066 |
if (is_object($abj404logic) && method_exists($abj404logic, 'userIsPluginAdmin')) { |
| 1067 |
try { |
| 1068 |
$isPluginAdmin = (bool)$abj404logic->userIsPluginAdmin(); |
| 1069 |
} catch (Throwable $ignored) { |
| 1070 |
$isPluginAdmin = false; |
| 1071 |
} |
| 1072 |
} |
| 1073 |
} |
| 1074 |
|
| 1075 |
$details = array( |
| 1076 |
'exception' => array( |
| 1077 |
'message' => $e->getMessage(), |
| 1078 |
'file' => $e->getFile(), |
| 1079 |
'line' => $e->getLine(), |
| 1080 |
'trace' => $e->getTraceAsString(), |
| 1081 |
), |
| 1082 |
'context' => $context, |
| 1083 |
); |
| 1084 |
self::safeLogAjaxFailure('AJAX exception in ajaxRefreshStatsDashboard.', $details, $e); |
| 1085 |
$capturedOutput = self::getAndClearAjaxBufferedOutput(); |
| 1086 |
if ($capturedOutput !== '') { |
| 1087 |
$details['buffered_output'] = substr($capturedOutput, 0, 8000); |
| 1088 |
} |
| 1089 |
|
| 1090 |
self::markAjaxResponseSent(); |
| 1091 |
$payload = self::buildAjaxErrorResponse( |
| 1092 |
'Server error while refreshing stats.', |
| 1093 |
$details, |
| 1094 |
$isPluginAdmin |
| 1095 |
); |
| 1096 |
self::sendJsonResponseAndExit($payload, 500); |
| 1097 |
return; |
| 1098 |
} |
| 1099 |
} |
| 1100 |
|
| 1101 |
/** |
| 1102 |
* Returns the data needed to render the redirects-page health bar: |
| 1103 |
* the high-impact captured-URL count and the redirect status counts |
| 1104 |
* (so the JS can compute "active = all - trash" and build the View link). |
| 1105 |
* |
| 1106 |
* Decoupled from ajaxUpdatePaginationLinks because getHighImpactCapturedCount() |
| 1107 |
* can run for tens of seconds on a cold cache against multi-million-row logs; |
| 1108 |
* letting it block the table response leaves the page stuck on "Loading…". |
| 1109 |
* |
| 1110 |
* @return void |
| 1111 |
*/ |
| 1112 |
function refreshHealthBar() { |
| 1113 |
$abj404dao = abj_service('data_access'); |
| 1114 |
$abj404logic = abj_service('plugin_logic'); |
| 1115 |
|
| 1116 |
$nonce = $abj404dao->getPostOrGetSanitize('nonce'); |
| 1117 |
$page = $abj404dao->getPostOrGetSanitize('page', ''); |
| 1118 |
$subpage = $abj404dao->getPostOrGetSanitize('subpage', ''); |
| 1119 |
|
| 1120 |
$isPluginAdmin = false; |
| 1121 |
$context = array( |
| 1122 |
'action' => 'ajaxRefreshHealthBar', |
| 1123 |
'page' => $page, |
| 1124 |
'subpage' => $subpage, |
| 1125 |
'request_uri' => array_key_exists('REQUEST_URI', $_SERVER) ? $_SERVER['REQUEST_URI'] : '', |
| 1126 |
'user_id' => function_exists('get_current_user_id') ? get_current_user_id() : 0, |
| 1127 |
); |
| 1128 |
$context = self::startAjaxDebugContext($context); |
| 1129 |
|
| 1130 |
try { |
| 1131 |
if (!wp_verify_nonce($nonce, 'abj404_refreshHealthBar')) { |
| 1132 |
self::safeLogAjaxFailure('AJAX invalid nonce in ajaxRefreshHealthBar.', $context); |
| 1133 |
self::markAjaxResponseSent(); |
| 1134 |
$payload = self::buildAjaxErrorResponse('Invalid security token', null, false); |
| 1135 |
self::sendJsonResponseAndExit($payload, 403); |
| 1136 |
return; |
| 1137 |
} |
| 1138 |
|
| 1139 |
$isPluginAdmin = $abj404logic->userIsPluginAdmin(); |
| 1140 |
if (!$isPluginAdmin) { |
| 1141 |
self::safeLogAjaxFailure('AJAX unauthorized in ajaxRefreshHealthBar.', $context); |
| 1142 |
self::markAjaxResponseSent(); |
| 1143 |
$payload = self::buildAjaxErrorResponse('Unauthorized', null, false); |
| 1144 |
self::sendJsonResponseAndExit($payload, 403); |
| 1145 |
return; |
| 1146 |
} |
| 1147 |
|
| 1148 |
// Match the pagination AJAX rate limit ceiling — admin workflows |
| 1149 |
// can re-trigger this on filter typing and tab switches. |
| 1150 |
if (ABJ_404_Solution_Ajax_Php::checkRateLimit('refresh_health_bar', 1500, 60)) { |
| 1151 |
self::safeLogAjaxFailure('AJAX rate limit in ajaxRefreshHealthBar.', $context); |
| 1152 |
self::markAjaxResponseSent(); |
| 1153 |
$payload = self::buildAjaxErrorResponse('Rate limit exceeded. Please try again later.', null, false); |
| 1154 |
self::sendJsonResponseAndExit($payload, 429); |
| 1155 |
return; |
| 1156 |
} |
| 1157 |
|
| 1158 |
self::setStage($context, 'redirect_status_counts'); |
| 1159 |
$statusCounts = $abj404dao->getRedirectStatusCounts(); |
| 1160 |
// Provide the captured filter constant so JS can build the "View" link. |
| 1161 |
$statusCounts['_capturedFilter'] = ABJ404_STATUS_CAPTURED; |
| 1162 |
|
| 1163 |
self::setStage($context, 'high_impact_count'); |
| 1164 |
$rollupAvailable = $abj404dao->logsHitsTableExists(); |
| 1165 |
if ($rollupAvailable) { |
| 1166 |
$highImpactCapturedCount = (int)$abj404dao->getHighImpactCapturedCount(); |
| 1167 |
} else { |
| 1168 |
$abj404dao->scheduleHitsTableRebuild(); |
| 1169 |
$highImpactCapturedCount = null; |
| 1170 |
} |
| 1171 |
|
| 1172 |
$response = array( |
| 1173 |
'highImpactCapturedCount' => $highImpactCapturedCount, |
| 1174 |
'rollupAvailable' => $rollupAvailable, |
| 1175 |
'statusCounts' => $statusCounts, |
| 1176 |
); |
| 1177 |
|
| 1178 |
self::markAjaxResponseSent(); |
| 1179 |
self::getAndClearAjaxBufferedOutput(); |
| 1180 |
self::sendJsonResponseAndExit($response, 200); |
| 1181 |
return; |
| 1182 |
|
| 1183 |
} catch (Throwable $e) { |
| 1184 |
if (!$isPluginAdmin) { |
| 1185 |
$abj404logic = abj_service('plugin_logic'); |
| 1186 |
if (is_object($abj404logic) && method_exists($abj404logic, 'userIsPluginAdmin')) { |
| 1187 |
try { |
| 1188 |
$isPluginAdmin = (bool)$abj404logic->userIsPluginAdmin(); |
| 1189 |
} catch (Throwable $ignored) { |
| 1190 |
$isPluginAdmin = false; |
| 1191 |
} |
| 1192 |
} |
| 1193 |
} |
| 1194 |
|
| 1195 |
$details = array( |
| 1196 |
'exception' => array( |
| 1197 |
'message' => $e->getMessage(), |
| 1198 |
'file' => $e->getFile(), |
| 1199 |
'line' => $e->getLine(), |
| 1200 |
'trace' => $e->getTraceAsString(), |
| 1201 |
), |
| 1202 |
'context' => $context, |
| 1203 |
); |
| 1204 |
self::safeLogAjaxFailure('AJAX exception in ajaxRefreshHealthBar.', $details, $e); |
| 1205 |
$capturedOutput = self::getAndClearAjaxBufferedOutput(); |
| 1206 |
if ($capturedOutput !== '') { |
| 1207 |
$details['buffered_output'] = substr($capturedOutput, 0, 8000); |
| 1208 |
} |
| 1209 |
|
| 1210 |
self::markAjaxResponseSent(); |
| 1211 |
$payload = self::buildAjaxErrorResponse( |
| 1212 |
'Server error while refreshing health bar.', |
| 1213 |
$details, |
| 1214 |
$isPluginAdmin |
| 1215 |
); |
| 1216 |
self::sendJsonResponseAndExit($payload, 500); |
| 1217 |
return; |
| 1218 |
} |
| 1219 |
} |
| 1220 |
|
| 1221 |
/** |
| 1222 |
* Look up the last in-flight stage stamped by `setStage()` for a given |
| 1223 |
* client-supplied requestId. Used by the JS error handler when |
| 1224 |
* `textStatus === 'timeout'` so the admin notice can name which phase the |
| 1225 |
* server was in when the client gave up — diagnostics for pure client |
| 1226 |
* timeouts where no response, header, or body ever arrives. |
| 1227 |
* |
| 1228 |
* Returns 200 with `{stage: '...'}` on success, `{stage: ''}` if the |
| 1229 |
* transient has expired or the requestId is unknown. Reads (but does |
| 1230 |
* not delete) the transient — letting it expire naturally avoids a race |
| 1231 |
* if the original AJAX is still running. |
| 1232 |
* |
| 1233 |
* @return void |
| 1234 |
*/ |
| 1235 |
function fetchInflightStage() { |
| 1236 |
$abj404dao = abj_service('data_access'); |
| 1237 |
$abj404logic = abj_service('plugin_logic'); |
| 1238 |
|
| 1239 |
$nonce = $abj404dao->getPostOrGetSanitize('nonce'); |
| 1240 |
$requestId = self::readClientRequestId(); |
| 1241 |
|
| 1242 |
try { |
| 1243 |
if (!wp_verify_nonce($nonce, 'abj404_fetchInflightStage')) { |
| 1244 |
self::sendJsonResponseAndExit( |
| 1245 |
self::buildAjaxErrorResponse('Invalid security token', null, false), |
| 1246 |
403 |
| 1247 |
); |
| 1248 |
return; |
| 1249 |
} |
| 1250 |
if (!$abj404logic->userIsPluginAdmin()) { |
| 1251 |
self::sendJsonResponseAndExit( |
| 1252 |
self::buildAjaxErrorResponse('Unauthorized', null, false), |
| 1253 |
403 |
| 1254 |
); |
| 1255 |
return; |
| 1256 |
} |
| 1257 |
// Tight rate limit — this endpoint only fires from the JS timeout |
| 1258 |
// handler. A real admin sees ~1 hit per stuck request. |
| 1259 |
if (ABJ_404_Solution_Ajax_Php::checkRateLimit('fetch_inflight_stage', 120, 60)) { |
| 1260 |
self::sendJsonResponseAndExit( |
| 1261 |
self::buildAjaxErrorResponse('Rate limit exceeded. Please try again later.', null, false), |
| 1262 |
429 |
| 1263 |
); |
| 1264 |
return; |
| 1265 |
} |
| 1266 |
if ($requestId === '') { |
| 1267 |
self::sendJsonResponseAndExit(array('stage' => ''), 200); |
| 1268 |
return; |
| 1269 |
} |
| 1270 |
|
| 1271 |
$stage = ''; |
| 1272 |
$queryLabel = ''; |
| 1273 |
$whatsHappening = ''; |
| 1274 |
$events = array(); |
| 1275 |
if (function_exists('get_transient')) { |
| 1276 |
$value = get_transient('abj404_inflight_' . $requestId); |
| 1277 |
if (is_array($value)) { |
| 1278 |
$stage = isset($value['stage']) && is_string($value['stage']) ? $value['stage'] : ''; |
| 1279 |
$queryLabel = isset($value['query_label']) && is_string($value['query_label']) ? $value['query_label'] : ''; |
| 1280 |
$whatsHappening = isset($value['what_happening']) && is_string($value['what_happening']) ? $value['what_happening'] : ''; |
| 1281 |
$rawEvents = is_array($value['events'] ?? null) ? $value['events'] : array(); |
| 1282 |
foreach ($rawEvents as $rawEvent) { |
| 1283 |
if (!is_array($rawEvent)) { |
| 1284 |
continue; |
| 1285 |
} |
| 1286 |
$eventStage = isset($rawEvent['stage']) && is_string($rawEvent['stage']) ? $rawEvent['stage'] : ''; |
| 1287 |
if ($eventStage === '') { |
| 1288 |
continue; |
| 1289 |
} |
| 1290 |
$events[] = array( |
| 1291 |
'stage' => $eventStage, |
| 1292 |
'queryLabel' => isset($rawEvent['query_label']) && is_string($rawEvent['query_label']) ? $rawEvent['query_label'] : '', |
| 1293 |
'whatsHappening' => isset($rawEvent['what_happening']) && is_string($rawEvent['what_happening']) ? $rawEvent['what_happening'] : '', |
| 1294 |
'timeMs' => isset($rawEvent['time_ms']) && is_scalar($rawEvent['time_ms']) ? intval($rawEvent['time_ms']) : 0, |
| 1295 |
); |
| 1296 |
} |
| 1297 |
} else if (is_string($value)) { |
| 1298 |
$stage = $value; |
| 1299 |
$diagnostics = self::getStageDiagnostics($stage); |
| 1300 |
$queryLabel = $diagnostics['query_label']; |
| 1301 |
$whatsHappening = $diagnostics['what_happening']; |
| 1302 |
} |
| 1303 |
} |
| 1304 |
|
| 1305 |
self::sendJsonResponseAndExit(array( |
| 1306 |
'stage' => $stage, |
| 1307 |
'queryLabel' => $queryLabel, |
| 1308 |
'whatsHappening' => $whatsHappening, |
| 1309 |
'events' => $events, |
| 1310 |
), 200); |
| 1311 |
return; |
| 1312 |
|
| 1313 |
} catch (Throwable $e) { |
| 1314 |
// Diagnostics endpoint, never fail loudly. An admin-side notice |
| 1315 |
// that says "stage: (lookup failed)" is a worse outcome than |
| 1316 |
// "stage: (unknown)". |
| 1317 |
self::sendJsonResponseAndExit(array('stage' => ''), 200); |
| 1318 |
return; |
| 1319 |
} |
| 1320 |
} |
| 1321 |
|
| 1322 |
/** |
| 1323 |
* Bounded build-advance endpoint paired with the fetch-only path on |
| 1324 |
* `getPaginationLinks` / `warmTableCache`. Each call runs at most one |
| 1325 |
* resumable tick of the staged view_done build (10s/stage budget; yields |
| 1326 |
* mid-stage on S2/S4/S5) and returns the current progress. The JS poller |
| 1327 |
* fires this every ~1s after a fetch returns `viewBuildPending: true`. |
| 1328 |
* |
| 1329 |
* Idempotent: concurrent calls fail to acquire the build lock and just |
| 1330 |
* return the current progress. Errors are returned as a 500 with the |
| 1331 |
* standard error envelope so the JS poller can stop and surface a notice |
| 1332 |
* instead of spinning forever. |
| 1333 |
* |
| 1334 |
* Reuses the `abj404_fetchInflightStage` nonce (already bound on every |
| 1335 |
* admin page that can hit this endpoint) so no additional nonce plumbing |
| 1336 |
* is needed. |
| 1337 |
* |
| 1338 |
* @return void |
| 1339 |
*/ |
| 1340 |
function advanceViewBuild() { |
| 1341 |
$abj404dao = abj_service('data_access'); |
| 1342 |
$abj404logic = abj_service('plugin_logic'); |
| 1343 |
|
| 1344 |
$nonce = $abj404dao->getPostOrGetSanitize('nonce'); |
| 1345 |
$page = $abj404dao->getPostOrGetSanitize('page', ''); |
| 1346 |
$subpage = $abj404dao->getPostOrGetSanitize('subpage', ''); |
| 1347 |
$requestId = self::readClientRequestId(); |
| 1348 |
$forceViewRebuild = ((string)$abj404dao->getPostOrGetSanitize('forceViewRebuild', '0') === '1'); |
| 1349 |
|
| 1350 |
$isPluginAdmin = false; |
| 1351 |
$context = array( |
| 1352 |
'action' => 'ajaxAdvanceViewBuild', |
| 1353 |
'page' => $page, |
| 1354 |
'subpage' => $subpage, |
| 1355 |
'requestId' => $requestId, |
| 1356 |
'forceViewRebuild' => $forceViewRebuild ? 1 : 0, |
| 1357 |
'request_uri' => array_key_exists('REQUEST_URI', $_SERVER) ? $_SERVER['REQUEST_URI'] : '', |
| 1358 |
'user_id' => function_exists('get_current_user_id') ? get_current_user_id() : 0, |
| 1359 |
); |
| 1360 |
$context = self::startAjaxDebugContext($context); |
| 1361 |
|
| 1362 |
try { |
| 1363 |
if (!wp_verify_nonce($nonce, 'abj404_fetchInflightStage')) { |
| 1364 |
self::safeLogAjaxFailure('AJAX invalid nonce in ajaxAdvanceViewBuild.', $context); |
| 1365 |
self::markAjaxResponseSent(); |
| 1366 |
self::sendJsonResponseAndExit(self::buildAjaxErrorResponse('Invalid security token', null, false), 403); |
| 1367 |
return; |
| 1368 |
} |
| 1369 |
|
| 1370 |
$isPluginAdmin = $abj404logic->userIsPluginAdmin(); |
| 1371 |
if (!$isPluginAdmin) { |
| 1372 |
self::safeLogAjaxFailure('AJAX unauthorized in ajaxAdvanceViewBuild.', $context); |
| 1373 |
self::markAjaxResponseSent(); |
| 1374 |
self::sendJsonResponseAndExit(self::buildAjaxErrorResponse('Unauthorized', null, false), 403); |
| 1375 |
return; |
| 1376 |
} |
| 1377 |
|
| 1378 |
// The poller fires this once per second per admin tab while a |
| 1379 |
// build is in progress. A single tab might burn ~120 calls in a |
| 1380 |
// long resumable build; keep the ceiling well above that. |
| 1381 |
if (ABJ_404_Solution_Ajax_Php::checkRateLimit('advance_view_build', 600, 60)) { |
| 1382 |
self::safeLogAjaxFailure('AJAX rate limit in ajaxAdvanceViewBuild.', $context); |
| 1383 |
self::markAjaxResponseSent(); |
| 1384 |
self::sendJsonResponseAndExit(self::buildAjaxErrorResponse('Rate limit exceeded. Please try again later.', null, false), 429); |
| 1385 |
return; |
| 1386 |
} |
| 1387 |
|
| 1388 |
if (!is_object($abj404dao) || !method_exists($abj404dao, 'advanceViewBuildOnce')) { |
| 1389 |
self::markAjaxResponseSent(); |
| 1390 |
self::getAndClearAjaxBufferedOutput(); |
| 1391 |
self::sendJsonResponseAndExit(array( |
| 1392 |
'status' => 'unsupported', |
| 1393 |
'progress' => array('status' => 'pending', 'stage' => 0, 'of' => 11, |
| 1394 |
'build_started' => 0, 'progress_text' => 'unsupported'), |
| 1395 |
), 200); |
| 1396 |
return; |
| 1397 |
} |
| 1398 |
|
| 1399 |
// The browser only sends forceViewRebuild=1 on the first advance |
| 1400 |
// call of an ?abj404_force_view_rebuild=1 page-load. Pre-calling |
| 1401 |
// forceRestartViewBuild() here (rather than in the fetch path) |
| 1402 |
// keeps the rebuild owned by a single requestId so every staged |
| 1403 |
// sub-stage shows up in the debug log. Non-blocking acquire (0s): |
| 1404 |
// a sibling cron / tab holding the runner lock must not stall |
| 1405 |
// this request; advanceViewBuildOnce(forceRebuild=true) below |
| 1406 |
// waits up to 10s and runs equivalent drop/clear semantics |
| 1407 |
// inside its own locked region. Migrated in Phase 3a step 4 |
| 1408 |
// (queue task t_260516_131200_429) from a direct |
| 1409 |
// invalidateViewSnapshotCache() / invalidateViewDone() pre-call: |
| 1410 |
// the runner-owned primitive (DataAccessTrait_ViewBuildForceRestart, |
| 1411 |
// Phase 3a step 2 / c554) preserves the existing view_done |
| 1412 |
// snapshot for parallel readers until the new S11 RENAME publishes |
| 1413 |
// a fresh one, which is the intended force-rebuild contract. |
| 1414 |
if ($forceViewRebuild && method_exists($abj404dao, 'forceRestartViewBuild')) { |
| 1415 |
$abj404dao->forceRestartViewBuild(0); |
| 1416 |
} |
| 1417 |
|
| 1418 |
self::tryClaimForegroundViewBuildLease($abj404dao); |
| 1419 |
// Pass forceRebuild down so advanceViewBuildOnce takes the lock |
| 1420 |
// with a 30s timeout (waiting for any in-flight cron/sibling |
| 1421 |
// build to finish), re-invalidates inside the locked region, |
| 1422 |
// and runs the build under THIS request's AJAX context. That is |
| 1423 |
// what makes every staged_build_s* sub-stage event reach the |
| 1424 |
// browser's "AJAX Load Times / Debug Info" panel. |
| 1425 |
$progress = $abj404dao->advanceViewBuildOnce($forceViewRebuild); |
| 1426 |
$statusValue = is_array($progress) && isset($progress['status']) && is_string($progress['status']) |
| 1427 |
? $progress['status'] : 'pending'; |
| 1428 |
|
| 1429 |
self::markAjaxResponseSent(); |
| 1430 |
self::getAndClearAjaxBufferedOutput(); |
| 1431 |
self::sendJsonResponseAndExit(array( |
| 1432 |
'status' => $statusValue, |
| 1433 |
'progress' => is_array($progress) ? $progress : array(), |
| 1434 |
), 200); |
| 1435 |
return; |
| 1436 |
|
| 1437 |
} catch (Throwable $e) { |
| 1438 |
if (!$isPluginAdmin) { |
| 1439 |
$abj404logic = abj_service('plugin_logic'); |
| 1440 |
if (is_object($abj404logic) && method_exists($abj404logic, 'userIsPluginAdmin')) { |
| 1441 |
try { |
| 1442 |
$isPluginAdmin = (bool)$abj404logic->userIsPluginAdmin(); |
| 1443 |
} catch (Throwable $ignored) { |
| 1444 |
$isPluginAdmin = false; |
| 1445 |
} |
| 1446 |
} |
| 1447 |
} |
| 1448 |
|
| 1449 |
$details = array( |
| 1450 |
'exception' => array( |
| 1451 |
'message' => $e->getMessage(), |
| 1452 |
'file' => $e->getFile(), |
| 1453 |
'line' => $e->getLine(), |
| 1454 |
'trace' => $e->getTraceAsString(), |
| 1455 |
), |
| 1456 |
'context' => $context, |
| 1457 |
); |
| 1458 |
self::safeLogAjaxFailure('AJAX exception in ajaxAdvanceViewBuild.', $details, $e); |
| 1459 |
$capturedOutput = self::getAndClearAjaxBufferedOutput(); |
| 1460 |
if ($capturedOutput !== '') { |
| 1461 |
$details['buffered_output'] = substr($capturedOutput, 0, 8000); |
| 1462 |
} |
| 1463 |
|
| 1464 |
self::markAjaxResponseSent(); |
| 1465 |
self::sendJsonResponseAndExit( |
| 1466 |
self::buildAjaxErrorResponse('Server error while advancing the view build.', $details, $isPluginAdmin), |
| 1467 |
500 |
| 1468 |
); |
| 1469 |
return; |
| 1470 |
} |
| 1471 |
} |
| 1472 |
|
| 1473 |
} |
| 1474 |
|
