| 1 |
<?php |
| 2 |
|
| 3 |
|
| 4 |
if (!defined('ABSPATH')) { |
| 5 |
exit; |
| 6 |
} |
| 7 |
|
| 8 |
/* Functions in this class should only be for plugging into WordPress listeners (filters, actions, etc). */ |
| 9 |
|
| 10 |
class ABJ_404_Solution_ErrorHandler { |
| 11 |
|
| 12 |
/** |
| 13 |
* Prevent duplicate shutdown fallback output when multiple handlers run. |
| 14 |
* |
| 15 |
* @var bool |
| 16 |
*/ |
| 17 |
private static $adminFatalPageRendered = false; |
| 18 |
|
| 19 |
/** Keep a reference to the original error handler so we can use it later. |
| 20 |
* @var callable|null |
| 21 |
*/ |
| 22 |
static $originalErrorHandler = null; |
| 23 |
|
| 24 |
/** |
| 25 |
* Reserved memory released during fatal shutdown handling so OOM errors can still render fallback output. |
| 26 |
* |
| 27 |
* @var string|null |
| 28 |
*/ |
| 29 |
private static $reservedMemory = null; |
| 30 |
|
| 31 |
/** Setup. |
| 32 |
* @return void |
| 33 |
*/ |
| 34 |
static function init(): void { |
| 35 |
// store the original error handler. |
| 36 |
self::$originalErrorHandler = set_error_handler(function(int $errno, string $errstr, string $errfile = '', int $errline = 0): bool { return false; }); |
| 37 |
restore_error_handler(); |
| 38 |
|
| 39 |
// set to the user defined error handler |
| 40 |
set_error_handler("ABJ_404_Solution_ErrorHandler::NormalErrorHandler"); |
| 41 |
if (self::$reservedMemory === null) { |
| 42 |
// Keep a small memory reserve so shutdown handling can render a fallback page on memory exhaustion. |
| 43 |
self::$reservedMemory = str_repeat('R', 262144); |
| 44 |
} |
| 45 |
register_shutdown_function('ABJ_404_Solution_ErrorHandler::FatalErrorHandler'); |
| 46 |
} |
| 47 |
|
| 48 |
/** Try to capture PHP errors. |
| 49 |
* @param int $errno |
| 50 |
* @param string $errstr |
| 51 |
* @param string $errfile |
| 52 |
* @param int $errline |
| 53 |
* @return boolean |
| 54 |
*/ |
| 55 |
static function NormalErrorHandler($errno, $errstr, $errfile, $errline) { |
| 56 |
// Respect PHP's `@` error-suppression operator. While inside @somefunc(), |
| 57 |
// PHP sets error_reporting() to 0 for the duration of the call. A custom |
| 58 |
// handler that ignores this state still escalates intentionally-suppressed |
| 59 |
// warnings to error-level logging — defeating the suppression. |
| 60 |
// Concrete case: @opcache_invalidate() at PluginLogic.php:1042 on hosts |
| 61 |
// with opcache.restrict_api set was producing email-threshold reports |
| 62 |
// because this guard was missing. Returning false here lets PHP's default |
| 63 |
// handler honour the suppression. |
| 64 |
if (error_reporting() === 0) { |
| 65 |
return false; |
| 66 |
} |
| 67 |
|
| 68 |
$abj404logging = abj_service('logging'); |
| 69 |
$f = abj_service('functions'); |
| 70 |
$onlyAWarning = false; |
| 71 |
|
| 72 |
try { |
| 73 |
// if the error file does not contain the name of our plugin then we ignore it. |
| 74 |
$slashPos = $f->strpos(ABJ404_NAME, '/'); |
| 75 |
$pluginFolder = $f->substr(ABJ404_NAME, 0, ($slashPos !== false ? $slashPos : null)); |
| 76 |
if ($f->strpos($errfile, $pluginFolder) === false) { |
| 77 |
// let the normal error handler handle it. |
| 78 |
|
| 79 |
// this would display the error for other plugins but show @author user |
| 80 |
// stacktrace from this plugin. |
| 81 |
// // try calling the original error handler. |
| 82 |
// if (is_callable(self::$originalErrorHandler)) { |
| 83 |
// return call_user_func_array(self::$originalErrorHandler, |
| 84 |
// array($errno, $errstr, $errfile, $errline)); |
| 85 |
// } |
| 86 |
return false; |
| 87 |
|
| 88 |
} else { |
| 89 |
// for our own plugin errors make sure we see them. |
| 90 |
if ($GLOBALS['abj404_display_errors']) { |
| 91 |
error_reporting(E_ALL); |
| 92 |
ini_set('display_errors', '1'); |
| 93 |
} |
| 94 |
} |
| 95 |
|
| 96 |
if ($errno == 2 && |
| 97 |
$f->strpos($errstr, |
| 98 |
"Cannot modify header information - headers already sent by") !== false) { |
| 99 |
|
| 100 |
$onlyAWarning = true; |
| 101 |
} |
| 102 |
|
| 103 |
$extraInfo = "(none)"; |
| 104 |
$ctxDebugInfo = abj_service('request_context')->debug_info; |
| 105 |
if ($ctxDebugInfo !== '') { |
| 106 |
$extraInfo = stripcslashes(wp_kses_post((string)json_encode($ctxDebugInfo))); |
| 107 |
} |
| 108 |
$errmsg = "ABJ404-SOLUTION Normal error handler error: errno: " . |
| 109 |
wp_kses_post((string)json_encode($errno)) . ", errstr: " . wp_kses_post((string)json_encode($errstr)) . |
| 110 |
", \nerrfile: " . stripcslashes(wp_kses_post((string)json_encode($errfile))) . |
| 111 |
", \nerrline: " . wp_kses_post((string)json_encode($errline)) . |
| 112 |
', \nAdditional info: ' . $extraInfo . ", mbstring: " . |
| 113 |
(extension_loaded('mbstring') ? 'true' : 'false'); |
| 114 |
|
| 115 |
if ($abj404logging != null) { |
| 116 |
if ($errno === E_NOTICE) { |
| 117 |
$serverName = array_key_exists('SERVER_NAME', $_SERVER) ? $_SERVER['SERVER_NAME'] : (array_key_exists('HTTP_HOST', $_SERVER) ? $_SERVER['HTTP_HOST'] : '(not found)'); |
| 118 |
if (in_array($serverName, $GLOBALS['abj404_whitelist'])) { |
| 119 |
$e = new Exception; |
| 120 |
$abj404logging->debugMessage($errmsg . ', Trace:' . $e->getTraceAsString()); |
| 121 |
} |
| 122 |
} elseif ($onlyAWarning) { |
| 123 |
$abj404logging->debugMessage($errmsg); |
| 124 |
} else { |
| 125 |
$abj404logging->errorMessage($errmsg); |
| 126 |
} |
| 127 |
} else { |
| 128 |
echo $errmsg; |
| 129 |
} |
| 130 |
} catch (Throwable $ex) { |
| 131 |
// Last-resort breadcrumb: the inner logging path itself failed, |
| 132 |
// so we can't go through $abj404logging. Match the pattern used |
| 133 |
// by WordPress_Connector::reportAdminRuntimeError() and |
| 134 |
// Ajax_SuggestionCompute::handleShutdown(). Widening from |
| 135 |
// Exception to Throwable is intentional — Error types are |
| 136 |
// exactly the case the outer handler exists for. |
| 137 |
@error_log('404 Solution: error handler itself failed: ' . $ex->getMessage()); |
| 138 |
} |
| 139 |
|
| 140 |
// show all warnings and errors. |
| 141 |
if ($GLOBALS['abj404_display_errors']) { |
| 142 |
error_reporting(E_ALL); |
| 143 |
ini_set('display_errors', '1'); |
| 144 |
} |
| 145 |
// let the original error handler handle it. |
| 146 |
return false; |
| 147 |
} |
| 148 |
|
| 149 |
/** @return bool */ |
| 150 |
static function FatalErrorHandler(): bool { |
| 151 |
$lasterror = error_get_last(); |
| 152 |
return self::processFatalError($lasterror); |
| 153 |
} |
| 154 |
|
| 155 |
/** |
| 156 |
* @param mixed $value |
| 157 |
* @return string |
| 158 |
*/ |
| 159 |
private static function safeJsonEncode($value): string { |
| 160 |
$encoded = json_encode($value, JSON_PARTIAL_OUTPUT_ON_ERROR); |
| 161 |
if ($encoded === false) { |
| 162 |
return '(json_encode failed) ' . print_r($value, true); |
| 163 |
} |
| 164 |
return $encoded; |
| 165 |
} |
| 166 |
|
| 167 |
/** |
| 168 |
* @param mixed $sql |
| 169 |
* @return string |
| 170 |
*/ |
| 171 |
private static function redactSqlShape($sql): string { |
| 172 |
if (!is_string($sql) || $sql === '') { |
| 173 |
return ''; |
| 174 |
} |
| 175 |
|
| 176 |
$out = $sql; |
| 177 |
$out = preg_replace("~'(?:\\\\'|''|[^'])*'~", "?", $out) ?? $out; |
| 178 |
$out = preg_replace('~"(?:\\\\"|""|[^"])*"~', "?", $out) ?? $out; |
| 179 |
$out = preg_replace('~\\b0x[0-9A-Fa-f]+\\b~', '?', $out) ?? $out; |
| 180 |
$out = preg_replace('~\\b\\d+(?:\\.\\d+)?\\b~', '?', $out) ?? $out; |
| 181 |
$out = preg_replace('~\\(\\s*\\?\\s*(?:,\\s*\\?\\s*)+\\)~', '(?)', $out) ?? $out; |
| 182 |
$out = preg_replace('~\\bIN\\s*\\(\\?\\)\\b~i', 'IN (?)', $out) ?? $out; |
| 183 |
$out = preg_replace('~\\s+~', ' ', trim($out)) ?? $out; |
| 184 |
if (strlen($out) > 4000) { |
| 185 |
$out = substr($out, 0, 4000) . '...'; |
| 186 |
} |
| 187 |
return $out; |
| 188 |
} |
| 189 |
|
| 190 |
/** |
| 191 |
* @param string $line |
| 192 |
* @return bool |
| 193 |
*/ |
| 194 |
private static function safeWriteLine(string $line): bool { |
| 195 |
$logger = abj_service('logging'); |
| 196 |
if (is_object($logger) && method_exists($logger, 'writeLineToDebugFile')) { |
| 197 |
$logger->writeLineToDebugFile($line); |
| 198 |
return true; |
| 199 |
} |
| 200 |
if (is_object($logger) && method_exists($logger, 'sanitizeLogLine')) { |
| 201 |
$line = $logger->sanitizeLogLine($line); |
| 202 |
} |
| 203 |
@file_put_contents(ABJ404_PATH . 'abj404_debug_fallback.txt', $line . "\n", FILE_APPEND); |
| 204 |
return false; |
| 205 |
} |
| 206 |
|
| 207 |
/** |
| 208 |
* @param int $type |
| 209 |
* @return bool |
| 210 |
*/ |
| 211 |
private static function isFatalType(int $type): bool { |
| 212 |
$fatalTypes = array(E_ERROR, E_PARSE, E_CORE_ERROR, E_COMPILE_ERROR, E_USER_ERROR, E_RECOVERABLE_ERROR); |
| 213 |
return in_array($type, $fatalTypes, true); |
| 214 |
} |
| 215 |
|
| 216 |
/** |
| 217 |
* Best-effort scalar read from request arrays without depending on WP helpers. |
| 218 |
* |
| 219 |
* @param string $key |
| 220 |
* @return string |
| 221 |
*/ |
| 222 |
private static function getRequestValue(string $key): string { |
| 223 |
$raw = null; |
| 224 |
if (array_key_exists($key, $_GET)) { |
| 225 |
$raw = $_GET[$key]; |
| 226 |
} elseif (array_key_exists($key, $_POST)) { |
| 227 |
$raw = $_POST[$key]; |
| 228 |
} elseif (array_key_exists($key, $_REQUEST)) { |
| 229 |
$raw = $_REQUEST[$key]; |
| 230 |
} |
| 231 |
|
| 232 |
if (!is_scalar($raw)) { |
| 233 |
return ''; |
| 234 |
} |
| 235 |
|
| 236 |
return trim((string)$raw); |
| 237 |
} |
| 238 |
|
| 239 |
/** |
| 240 |
* Detect whether the current request is the plugin admin page. |
| 241 |
* |
| 242 |
* @return bool |
| 243 |
*/ |
| 244 |
private static function isPluginAdminPageRequest(): bool { |
| 245 |
if (PHP_SAPI === 'cli' || PHP_SAPI === 'phpdbg') { |
| 246 |
return false; |
| 247 |
} |
| 248 |
|
| 249 |
$page = self::getRequestValue('page'); |
| 250 |
if ($page === '') { |
| 251 |
return false; |
| 252 |
} |
| 253 |
|
| 254 |
$pluginPage = defined('ABJ404_PP') ? (string)ABJ404_PP : 'abj404_solution'; |
| 255 |
return $page === $pluginPage; |
| 256 |
} |
| 257 |
|
| 258 |
/** |
| 259 |
* Persist the last admin fatal so we can show a notice on the next request. |
| 260 |
* |
| 261 |
* @param array<string,mixed> $lasterror |
| 262 |
* @return void |
| 263 |
*/ |
| 264 |
private static function stashAdminFatal(array $lasterror): void { |
| 265 |
$payload = array( |
| 266 |
'message' => array_key_exists('message', $lasterror) ? (is_string($lasterror['message']) ? $lasterror['message'] : '') : '', |
| 267 |
'file' => array_key_exists('file', $lasterror) ? (is_string($lasterror['file']) ? $lasterror['file'] : '') : '', |
| 268 |
'line' => array_key_exists('line', $lasterror) ? (is_int($lasterror['line']) ? $lasterror['line'] : 0) : 0, |
| 269 |
'type' => array_key_exists('type', $lasterror) ? (is_int($lasterror['type']) ? $lasterror['type'] : 0) : 0, |
| 270 |
'time' => time(), |
| 271 |
'page' => self::getRequestValue('page'), |
| 272 |
'subpage' => self::getRequestValue('subpage'), |
| 273 |
); |
| 274 |
|
| 275 |
$ttl = defined('HOUR_IN_SECONDS') ? HOUR_IN_SECONDS : 3600; |
| 276 |
if (function_exists('set_transient')) { |
| 277 |
set_transient('abj404_admin_fatal', $payload, $ttl); |
| 278 |
return; |
| 279 |
} |
| 280 |
|
| 281 |
if (function_exists('update_option')) { |
| 282 |
update_option('abj404_admin_fatal_fallback', $payload); |
| 283 |
} |
| 284 |
} |
| 285 |
|
| 286 |
/** |
| 287 |
* Render a small HTML fallback so fatal admin errors do not become a blank page. |
| 288 |
* |
| 289 |
* @param array<string,mixed> $lasterror |
| 290 |
* @return void |
| 291 |
*/ |
| 292 |
private static function renderAdminFatalFallback(array $lasterror): void { |
| 293 |
if (self::$adminFatalPageRendered) { |
| 294 |
return; |
| 295 |
} |
| 296 |
self::$adminFatalPageRendered = true; |
| 297 |
|
| 298 |
$canShowDetails = false; |
| 299 |
try { |
| 300 |
if (function_exists('current_user_can') && current_user_can('manage_options')) { |
| 301 |
$canShowDetails = true; |
| 302 |
} elseif (function_exists('is_super_admin') && is_super_admin()) { |
| 303 |
$canShowDetails = true; |
| 304 |
} |
| 305 |
} catch (Throwable $e) { |
| 306 |
$canShowDetails = false; |
| 307 |
} |
| 308 |
|
| 309 |
if (!(defined('ABJ404_TEST_DISABLE_OB') && ABJ404_TEST_DISABLE_OB)) { |
| 310 |
while (ob_get_level() > 0) { |
| 311 |
@ob_end_clean(); |
| 312 |
} |
| 313 |
} |
| 314 |
|
| 315 |
if (!headers_sent()) { |
| 316 |
if (function_exists('status_header')) { |
| 317 |
status_header(500); |
| 318 |
} elseif (function_exists('http_response_code')) { |
| 319 |
http_response_code(500); |
| 320 |
} |
| 321 |
header('Content-Type: text/html; charset=UTF-8'); |
| 322 |
} |
| 323 |
|
| 324 |
$settingsUrl = '?page=' . (defined('ABJ404_PP') ? ABJ404_PP : 'abj404_solution') . '&subpage=abj404_options'; |
| 325 |
if (function_exists('admin_url')) { |
| 326 |
$settingsUrl = admin_url('options-general.php' . $settingsUrl); |
| 327 |
} |
| 328 |
|
| 329 |
$message = array_key_exists('message', $lasterror) ? (is_string($lasterror['message']) ? $lasterror['message'] : 'Fatal error') : 'Fatal error'; |
| 330 |
$file = array_key_exists('file', $lasterror) ? (is_string($lasterror['file']) ? $lasterror['file'] : '(unknown file)') : '(unknown file)'; |
| 331 |
$line = array_key_exists('line', $lasterror) ? (is_int($lasterror['line']) ? $lasterror['line'] : 0) : 0; |
| 332 |
|
| 333 |
echo '<!doctype html><html><head><meta charset="utf-8"><title>404 Solution Error</title></head><body style="font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Arial,sans-serif;padding:24px;">'; |
| 334 |
echo '<h1 style="margin:0 0 12px 0;">404 Solution</h1>'; |
| 335 |
echo '<p><strong>A fatal error occurred while rendering this admin page.</strong></p>'; |
| 336 |
echo '<p>Open the Options tab to continue: <a href="' . htmlspecialchars($settingsUrl, ENT_QUOTES, 'UTF-8') . '">Options</a></p>'; |
| 337 |
|
| 338 |
if ($canShowDetails) { |
| 339 |
echo '<details open><summary>Error details</summary>'; |
| 340 |
echo '<pre style="white-space:pre-wrap;word-break:break-all;max-width:100%;">' . |
| 341 |
htmlspecialchars($message . "\n" . $file . ':' . (string)$line, ENT_QUOTES, 'UTF-8') . |
| 342 |
'</pre>'; |
| 343 |
echo '</details>'; |
| 344 |
} |
| 345 |
|
| 346 |
echo '</body></html>'; |
| 347 |
} |
| 348 |
|
| 349 |
/** |
| 350 |
* @param array<string, mixed> $payload |
| 351 |
* @param int $httpStatus |
| 352 |
* @return bool |
| 353 |
*/ |
| 354 |
private static function emitJsonAndExit(array $payload, int $httpStatus): bool { |
| 355 |
if (!headers_sent()) { |
| 356 |
// Marker headers help support quickly identify that this response came from our AJAX endpoint. |
| 357 |
// These are safe to expose (no sensitive values). |
| 358 |
if (isset($GLOBALS['abj404_ajax_context']) && is_array($GLOBALS['abj404_ajax_context'])) { |
| 359 |
$ctx = $GLOBALS['abj404_ajax_context']; |
| 360 |
if (array_key_exists('action', $ctx) && is_string($ctx['action'])) { |
| 361 |
header('X-ABJ404-Ajax: ' . preg_replace('/[\r\n]+/', '', $ctx['action'])); |
| 362 |
} |
| 363 |
if (array_key_exists('subpage', $ctx) && is_string($ctx['subpage']) && $ctx['subpage'] !== '') { |
| 364 |
header('X-ABJ404-Subpage: ' . preg_replace('/[\r\n]+/', '', $ctx['subpage'])); |
| 365 |
} |
| 366 |
} |
| 367 |
header('Content-type: application/json; charset=UTF-8'); |
| 368 |
if (function_exists('status_header')) { |
| 369 |
status_header($httpStatus); |
| 370 |
} else if (function_exists('http_response_code')) { |
| 371 |
http_response_code($httpStatus); |
| 372 |
} |
| 373 |
} |
| 374 |
echo json_encode($payload); |
| 375 |
if (defined('ABJ404_TEST_NO_EXIT') && ABJ404_TEST_NO_EXIT) { |
| 376 |
return true; |
| 377 |
} |
| 378 |
exit; |
| 379 |
} |
| 380 |
|
| 381 |
/** |
| 382 |
* Process a fatal error (shutdown handler). |
| 383 |
* Public for unit tests (allows injecting a fake last error). |
| 384 |
*/ |
| 385 |
/** |
| 386 |
* @param array<string, mixed>|null $lasterror |
| 387 |
* @return bool |
| 388 |
*/ |
| 389 |
public static function processFatalError($lasterror): bool { |
| 390 |
$f = abj_service('functions'); |
| 391 |
|
| 392 |
if ($lasterror == null || !is_array($lasterror) || !array_key_exists('type', $lasterror) || |
| 393 |
!array_key_exists('file', $lasterror)) { |
| 394 |
return false; |
| 395 |
} |
| 396 |
$errorType = $lasterror['type']; |
| 397 |
if (!self::isFatalType(is_int($errorType) ? $errorType : (is_scalar($errorType) ? (int)$errorType : 0))) { |
| 398 |
return false; |
| 399 |
} |
| 400 |
|
| 401 |
$ctx = isset($GLOBALS['abj404_ajax_context']) && is_array($GLOBALS['abj404_ajax_context']) |
| 402 |
? $GLOBALS['abj404_ajax_context'] : null; |
| 403 |
|
| 404 |
$isPluginAdminPage = self::isPluginAdminPageRequest(); |
| 405 |
if ($isPluginAdminPage) { |
| 406 |
// Free reserved memory first so fallback rendering can succeed after OOM fatals. |
| 407 |
self::$reservedMemory = null; |
| 408 |
self::stashAdminFatal($lasterror); |
| 409 |
} |
| 410 |
|
| 411 |
$isAjaxContext = is_array($ctx) && |
| 412 |
!empty($ctx['ajax_expected_json']) && |
| 413 |
empty($ctx['response_sent']) && |
| 414 |
array_key_exists('action', $ctx) && |
| 415 |
$ctx['action'] === 'ajaxUpdatePaginationLinks'; |
| 416 |
|
| 417 |
// ------------------------- |
| 418 |
// AJAX context: always log (even if fatal is from another plugin/theme/core), |
| 419 |
// and emit JSON for admins so WordPress's generic "critical error" page doesn't hide details. |
| 420 |
if ($isAjaxContext) { |
| 421 |
// Only handle fatals for this endpoint when the context was created by our handler. |
| 422 |
// This avoids logging unrelated admin-ajax fatals while still capturing "foreign" plugin/theme fatals |
| 423 |
// that break our AJAX response. |
| 424 |
$contextSourceOk = array_key_exists('abj404_context_source', $ctx) && |
| 425 |
$ctx['abj404_context_source'] === 'ViewUpdater::getPaginationLinks'; |
| 426 |
if (!$contextSourceOk) { |
| 427 |
return false; |
| 428 |
} |
| 429 |
|
| 430 |
$bufferedOutput = ''; |
| 431 |
if (!(defined('ABJ404_TEST_DISABLE_OB') && ABJ404_TEST_DISABLE_OB)) { |
| 432 |
if (ob_get_level() > 0) { |
| 433 |
$bufferedOutput = (string)ob_get_contents(); |
| 434 |
} |
| 435 |
$minLevel = array_key_exists('ob_level_before', $ctx) ? intval($ctx['ob_level_before']) : 0; |
| 436 |
while (ob_get_level() > $minLevel) { |
| 437 |
@ob_end_clean(); |
| 438 |
} |
| 439 |
} |
| 440 |
|
| 441 |
$details = array( |
| 442 |
'fatal_error' => $lasterror, |
| 443 |
'context' => $ctx, |
| 444 |
); |
| 445 |
if (isset($GLOBALS['wpdb']) && is_object($GLOBALS['wpdb'])) { |
| 446 |
$lastQuery = $GLOBALS['wpdb']->last_query ?? ''; |
| 447 |
$details['wpdb'] = array( |
| 448 |
'last_error' => $GLOBALS['wpdb']->last_error ?? '', |
| 449 |
'last_query_redacted' => self::redactSqlShape($lastQuery), |
| 450 |
'last_query_length' => is_string($lastQuery) ? strlen($lastQuery) : 0, |
| 451 |
); |
| 452 |
} |
| 453 |
if ($bufferedOutput !== '') { |
| 454 |
$details['buffered_output'] = substr($bufferedOutput, 0, 8000); |
| 455 |
} |
| 456 |
|
| 457 |
$line = date('c') . ' (ERROR): AJAX fatal error in ajaxUpdatePaginationLinks. Details: ' . self::safeJsonEncode($details); |
| 458 |
self::safeWriteLine($line); |
| 459 |
|
| 460 |
$isPluginAdmin = array_key_exists('is_plugin_admin', $ctx) ? (bool)$ctx['is_plugin_admin'] : null; |
| 461 |
// Only try to compute admin status if it wasn't already determined earlier in the request. |
| 462 |
if ($isPluginAdmin === null) { |
| 463 |
try { |
| 464 |
$logic = abj_service('plugin_logic'); |
| 465 |
if (is_object($logic) && method_exists($logic, 'userIsPluginAdmin')) { |
| 466 |
$isPluginAdmin = $logic->userIsPluginAdmin(); |
| 467 |
} |
| 468 |
} catch (Throwable $e) { |
| 469 |
$isPluginAdmin = null; |
| 470 |
} |
| 471 |
} |
| 472 |
if ($isPluginAdmin === null) { |
| 473 |
// Best-effort fallback: show details to real WordPress admins if PluginLogic is broken. |
| 474 |
if (function_exists('wp_get_current_user')) { |
| 475 |
$user = wp_get_current_user(); |
| 476 |
if (is_object($user) && property_exists($user, 'roles') && is_array($user->roles)) { |
| 477 |
$isPluginAdmin = in_array('administrator', $user->roles, true); |
| 478 |
} |
| 479 |
} |
| 480 |
if ($isPluginAdmin !== true && function_exists('is_super_admin') && is_super_admin()) { |
| 481 |
$isPluginAdmin = true; |
| 482 |
} |
| 483 |
} |
| 484 |
if ($isPluginAdmin === null) { |
| 485 |
$isPluginAdmin = false; |
| 486 |
} |
| 487 |
|
| 488 |
$payload = array( |
| 489 |
'success' => false, |
| 490 |
'data' => array( |
| 491 |
'message' => 'Server error while updating the table.', |
| 492 |
), |
| 493 |
); |
| 494 |
if ($isPluginAdmin) { |
| 495 |
$payload['data']['details'] = $details; |
| 496 |
} |
| 497 |
|
| 498 |
$GLOBALS['abj404_ajax_context']['response_sent'] = true; |
| 499 |
return self::emitJsonAndExit($payload, 500); |
| 500 |
} |
| 501 |
|
| 502 |
// ------------------------- |
| 503 |
// Default behavior: only log plugin-scope fatals (avoid noise from other plugins/themes), |
| 504 |
// except plugin admin page requests where we deliberately capture foreign fatals too. |
| 505 |
try { |
| 506 |
$errno = $lasterror['type']; |
| 507 |
$errfile = is_string($lasterror['file']) ? $lasterror['file'] : ''; |
| 508 |
$slashPos2 = $f->strpos(ABJ404_NAME, '/'); |
| 509 |
$pluginFolder = $f->substr(ABJ404_NAME, 0, ($slashPos2 !== false ? $slashPos2 : null)); |
| 510 |
|
| 511 |
$isPluginScopeFatal = ($f->strpos($errfile, $pluginFolder) !== false); |
| 512 |
|
| 513 |
// If the error file does not contain our plugin name, ignore it unless |
| 514 |
// we are rendering the plugin admin page where blank-page prevention is critical. |
| 515 |
if (!$isPluginScopeFatal && !$isPluginAdminPage) { |
| 516 |
return false; |
| 517 |
} |
| 518 |
|
| 519 |
$extraInfo = "(none)"; |
| 520 |
$ctxDebugInfo = abj_service('request_context')->debug_info; |
| 521 |
if ($ctxDebugInfo !== '') { |
| 522 |
$extraInfo = stripcslashes(wp_kses_post((string)json_encode($ctxDebugInfo))); |
| 523 |
} |
| 524 |
$contextPrefix = $isPluginScopeFatal |
| 525 |
? 'ABJ404-SOLUTION Fatal error handler: ' |
| 526 |
: 'ABJ404-SOLUTION Fatal error handler (plugin admin page, foreign scope): '; |
| 527 |
|
| 528 |
$errmsg = $contextPrefix . |
| 529 |
stripcslashes(wp_kses_post((string)json_encode($lasterror))) . |
| 530 |
", \nAdditional info: " . $extraInfo . ", mbstring: " . |
| 531 |
(extension_loaded('mbstring') ? 'true' : 'false'); |
| 532 |
|
| 533 |
$abj404logging = abj_service('logging'); |
| 534 |
if ($abj404logging != null) { |
| 535 |
switch ($errno) { |
| 536 |
case E_NOTICE: |
| 537 |
$serverName = array_key_exists('SERVER_NAME', $_SERVER) ? $_SERVER['SERVER_NAME'] : (array_key_exists('HTTP_HOST', $_SERVER) ? $_SERVER['HTTP_HOST'] : '(not found)'); |
| 538 |
if (in_array($serverName, $GLOBALS['abj404_whitelist'])) { |
| 539 |
$abj404logging->debugMessage($errmsg); |
| 540 |
} |
| 541 |
break; |
| 542 |
|
| 543 |
default: |
| 544 |
$abj404logging->errorMessage($errmsg); |
| 545 |
break; |
| 546 |
} |
| 547 |
} else { |
| 548 |
echo $errmsg; |
| 549 |
} |
| 550 |
} catch (Throwable $ex) { |
| 551 |
// Last-resort breadcrumb: inner logging itself failed during the |
| 552 |
// fatal-error path. See NormalErrorHandler() above for rationale. |
| 553 |
@error_log('404 Solution: error handler itself failed: ' . $ex->getMessage()); |
| 554 |
} |
| 555 |
|
| 556 |
if ($isPluginAdminPage) { |
| 557 |
self::renderAdminFatalFallback($lasterror); |
| 558 |
} |
| 559 |
|
| 560 |
return false; |
| 561 |
} |
| 562 |
} |
| 563 |
|
