home/alospiesjs/www/apis/youtube/vendor/symfony/error-handler/ErrorHandler.php000060400000064673151155567300024015 0ustar00 * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Symfony\Component\ErrorHandler; use Psr\Log\LoggerInterface; use Psr\Log\LogLevel; use Symfony\Component\ErrorHandler\Error\FatalError; use Symfony\Component\ErrorHandler\Error\OutOfMemoryError; use Symfony\Component\ErrorHandler\ErrorEnhancer\ClassNotFoundErrorEnhancer; use Symfony\Component\ErrorHandler\ErrorEnhancer\ErrorEnhancerInterface; use Symfony\Component\ErrorHandler\ErrorEnhancer\UndefinedFunctionErrorEnhancer; use Symfony\Component\ErrorHandler\ErrorEnhancer\UndefinedMethodErrorEnhancer; use Symfony\Component\ErrorHandler\ErrorRenderer\CliErrorRenderer; use Symfony\Component\ErrorHandler\ErrorRenderer\HtmlErrorRenderer; use Symfony\Component\ErrorHandler\Exception\SilencedErrorContext; /** * A generic ErrorHandler for the PHP engine. * * Provides five bit fields that control how errors are handled: * - thrownErrors: errors thrown as \ErrorException * - loggedErrors: logged errors, when not @-silenced * - scopedErrors: errors thrown or logged with their local context * - tracedErrors: errors logged with their stack trace * - screamedErrors: never @-silenced errors * * Each error level can be logged by a dedicated PSR-3 logger object. * Screaming only applies to logging. * Throwing takes precedence over logging. * Uncaught exceptions are logged as E_ERROR. * E_DEPRECATED and E_USER_DEPRECATED levels never throw. * E_RECOVERABLE_ERROR and E_USER_ERROR levels always throw. * Non catchable errors that can be detected at shutdown time are logged when the scream bit field allows so. * As errors have a performance cost, repeated errors are all logged, so that the developer * can see them and weight them as more important to fix than others of the same level. * * @author Nicolas Grekas * @author Grégoire Pineau * * @final */ class ErrorHandler { private array $levels = [ \E_DEPRECATED => 'Deprecated', \E_USER_DEPRECATED => 'User Deprecated', \E_NOTICE => 'Notice', \E_USER_NOTICE => 'User Notice', \E_STRICT => 'Runtime Notice', \E_WARNING => 'Warning', \E_USER_WARNING => 'User Warning', \E_COMPILE_WARNING => 'Compile Warning', \E_CORE_WARNING => 'Core Warning', \E_USER_ERROR => 'User Error', \E_RECOVERABLE_ERROR => 'Catchable Fatal Error', \E_COMPILE_ERROR => 'Compile Error', \E_PARSE => 'Parse Error', \E_ERROR => 'Error', \E_CORE_ERROR => 'Core Error', ]; private array $loggers = [ \E_DEPRECATED => [null, LogLevel::INFO], \E_USER_DEPRECATED => [null, LogLevel::INFO], \E_NOTICE => [null, LogLevel::WARNING], \E_USER_NOTICE => [null, LogLevel::WARNING], \E_STRICT => [null, LogLevel::WARNING], \E_WARNING => [null, LogLevel::WARNING], \E_USER_WARNING => [null, LogLevel::WARNING], \E_COMPILE_WARNING => [null, LogLevel::WARNING], \E_CORE_WARNING => [null, LogLevel::WARNING], \E_USER_ERROR => [null, LogLevel::CRITICAL], \E_RECOVERABLE_ERROR => [null, LogLevel::CRITICAL], \E_COMPILE_ERROR => [null, LogLevel::CRITICAL], \E_PARSE => [null, LogLevel::CRITICAL], \E_ERROR => [null, LogLevel::CRITICAL], \E_CORE_ERROR => [null, LogLevel::CRITICAL], ]; private int $thrownErrors = 0x1FFF; // E_ALL - E_DEPRECATED - E_USER_DEPRECATED private int $scopedErrors = 0x1FFF; // E_ALL - E_DEPRECATED - E_USER_DEPRECATED private int $tracedErrors = 0x77FB; // E_ALL - E_STRICT - E_PARSE private int $screamedErrors = 0x55; // E_ERROR + E_CORE_ERROR + E_COMPILE_ERROR + E_PARSE private int $loggedErrors = 0; private \Closure $configureException; private bool $debug; private bool $isRecursive = false; private bool $isRoot = false; private $exceptionHandler; private $bootstrappingLogger = null; private static ?string $reservedMemory = null; private static array $silencedErrorCache = []; private static int $silencedErrorCount = 0; private static int $exitCode = 0; /** * Registers the error handler. */ public static function register(self $handler = null, bool $replace = true): self { if (null === self::$reservedMemory) { self::$reservedMemory = str_repeat('x', 32768); register_shutdown_function(__CLASS__.'::handleFatalError'); } if ($handlerIsNew = null === $handler) { $handler = new static(); } if (null === $prev = set_error_handler([$handler, 'handleError'])) { restore_error_handler(); // Specifying the error types earlier would expose us to https://bugs.php.net/63206 set_error_handler([$handler, 'handleError'], $handler->thrownErrors | $handler->loggedErrors); $handler->isRoot = true; } if ($handlerIsNew && \is_array($prev) && $prev[0] instanceof self) { $handler = $prev[0]; $replace = false; } if (!$replace && $prev) { restore_error_handler(); $handlerIsRegistered = \is_array($prev) && $handler === $prev[0]; } else { $handlerIsRegistered = true; } if (\is_array($prev = set_exception_handler([$handler, 'handleException'])) && $prev[0] instanceof self) { restore_exception_handler(); if (!$handlerIsRegistered) { $handler = $prev[0]; } elseif ($handler !== $prev[0] && $replace) { set_exception_handler([$handler, 'handleException']); $p = $prev[0]->setExceptionHandler(null); $handler->setExceptionHandler($p); $prev[0]->setExceptionHandler($p); } } else { $handler->setExceptionHandler($prev ?? [$handler, 'renderException']); } $handler->throwAt(\E_ALL & $handler->thrownErrors, true); return $handler; } /** * Calls a function and turns any PHP error into \ErrorException. * * @throws \ErrorException When $function(...$arguments) triggers a PHP error */ public static function call(callable $function, mixed ...$arguments): mixed { set_error_handler(static function (int $type, string $message, string $file, int $line) { if (__FILE__ === $file) { $trace = debug_backtrace(\DEBUG_BACKTRACE_IGNORE_ARGS, 3); $file = $trace[2]['file'] ?? $file; $line = $trace[2]['line'] ?? $line; } throw new \ErrorException($message, 0, $type, $file, $line); }); try { return $function(...$arguments); } finally { restore_error_handler(); } } public function __construct(BufferingLogger $bootstrappingLogger = null, bool $debug = false) { if ($bootstrappingLogger) { $this->bootstrappingLogger = $bootstrappingLogger; $this->setDefaultLogger($bootstrappingLogger); } $traceReflector = new \ReflectionProperty(\Exception::class, 'trace'); $traceReflector->setAccessible(true); $this->configureException = \Closure::bind(static function ($e, $trace, $file = null, $line = null) use ($traceReflector) { $traceReflector->setValue($e, $trace); $e->file = $file ?? $e->file; $e->line = $line ?? $e->line; }, null, new class() extends \Exception { }); $this->debug = $debug; } /** * Sets a logger to non assigned errors levels. * * @param LoggerInterface $logger A PSR-3 logger to put as default for the given levels * @param array|int|null $levels An array map of E_* to LogLevel::* or an integer bit field of E_* constants * @param bool $replace Whether to replace or not any existing logger */ public function setDefaultLogger(LoggerInterface $logger, array|int|null $levels = \E_ALL, bool $replace = false): void { $loggers = []; if (\is_array($levels)) { foreach ($levels as $type => $logLevel) { if (empty($this->loggers[$type][0]) || $replace || $this->loggers[$type][0] === $this->bootstrappingLogger) { $loggers[$type] = [$logger, $logLevel]; } } } else { if (null === $levels) { $levels = \E_ALL; } foreach ($this->loggers as $type => $log) { if (($type & $levels) && (empty($log[0]) || $replace || $log[0] === $this->bootstrappingLogger)) { $log[0] = $logger; $loggers[$type] = $log; } } } $this->setLoggers($loggers); } /** * Sets a logger for each error level. * * @param array $loggers Error levels to [LoggerInterface|null, LogLevel::*] map * * @throws \InvalidArgumentException */ public function setLoggers(array $loggers): array { $prevLogged = $this->loggedErrors; $prev = $this->loggers; $flush = []; foreach ($loggers as $type => $log) { if (!isset($prev[$type])) { throw new \InvalidArgumentException('Unknown error type: '.$type); } if (!\is_array($log)) { $log = [$log]; } elseif (!\array_key_exists(0, $log)) { throw new \InvalidArgumentException('No logger provided.'); } if (null === $log[0]) { $this->loggedErrors &= ~$type; } elseif ($log[0] instanceof LoggerInterface) { $this->loggedErrors |= $type; } else { throw new \InvalidArgumentException('Invalid logger provided.'); } $this->loggers[$type] = $log + $prev[$type]; if ($this->bootstrappingLogger && $prev[$type][0] === $this->bootstrappingLogger) { $flush[$type] = $type; } } $this->reRegister($prevLogged | $this->thrownErrors); if ($flush) { foreach ($this->bootstrappingLogger->cleanLogs() as $log) { $type = ThrowableUtils::getSeverity($log[2]['exception']); if (!isset($flush[$type])) { $this->bootstrappingLogger->log($log[0], $log[1], $log[2]); } elseif ($this->loggers[$type][0]) { $this->loggers[$type][0]->log($this->loggers[$type][1], $log[1], $log[2]); } } } return $prev; } public function setExceptionHandler(?callable $handler): ?callable { $prev = $this->exceptionHandler; $this->exceptionHandler = $handler; return $prev; } /** * Sets the PHP error levels that throw an exception when a PHP error occurs. * * @param int $levels A bit field of E_* constants for thrown errors * @param bool $replace Replace or amend the previous value */ public function throwAt(int $levels, bool $replace = false): int { $prev = $this->thrownErrors; $this->thrownErrors = ($levels | \E_RECOVERABLE_ERROR | \E_USER_ERROR) & ~\E_USER_DEPRECATED & ~\E_DEPRECATED; if (!$replace) { $this->thrownErrors |= $prev; } $this->reRegister($prev | $this->loggedErrors); return $prev; } /** * Sets the PHP error levels for which local variables are preserved. * * @param int $levels A bit field of E_* constants for scoped errors * @param bool $replace Replace or amend the previous value */ public function scopeAt(int $levels, bool $replace = false): int { $prev = $this->scopedErrors; $this->scopedErrors = $levels; if (!$replace) { $this->scopedErrors |= $prev; } return $prev; } /** * Sets the PHP error levels for which the stack trace is preserved. * * @param int $levels A bit field of E_* constants for traced errors * @param bool $replace Replace or amend the previous value */ public function traceAt(int $levels, bool $replace = false): int { $prev = $this->tracedErrors; $this->tracedErrors = $levels; if (!$replace) { $this->tracedErrors |= $prev; } return $prev; } /** * Sets the error levels where the @-operator is ignored. * * @param int $levels A bit field of E_* constants for screamed errors * @param bool $replace Replace or amend the previous value */ public function screamAt(int $levels, bool $replace = false): int { $prev = $this->screamedErrors; $this->screamedErrors = $levels; if (!$replace) { $this->screamedErrors |= $prev; } return $prev; } /** * Re-registers as a PHP error handler if levels changed. */ private function reRegister(int $prev): void { if ($prev !== $this->thrownErrors | $this->loggedErrors) { $handler = set_error_handler('var_dump'); $handler = \is_array($handler) ? $handler[0] : null; restore_error_handler(); if ($handler === $this) { restore_error_handler(); if ($this->isRoot) { set_error_handler([$this, 'handleError'], $this->thrownErrors | $this->loggedErrors); } else { set_error_handler([$this, 'handleError']); } } } } /** * Handles errors by filtering then logging them according to the configured bit fields. * * @return bool Returns false when no handling happens so that the PHP engine can handle the error itself * * @throws \ErrorException When $this->thrownErrors requests so * * @internal */ public function handleError(int $type, string $message, string $file, int $line): bool { if (\E_WARNING === $type && '"' === $message[0] && str_contains($message, '" targeting switch is equivalent to "break')) { $type = \E_DEPRECATED; } // Level is the current error reporting level to manage silent error. $level = error_reporting(); $silenced = 0 === ($level & $type); // Strong errors are not authorized to be silenced. $level |= \E_RECOVERABLE_ERROR | \E_USER_ERROR | \E_DEPRECATED | \E_USER_DEPRECATED; $log = $this->loggedErrors & $type; $throw = $this->thrownErrors & $type & $level; $type &= $level | $this->screamedErrors; // Never throw on warnings triggered by assert() if (\E_WARNING === $type && 'a' === $message[0] && 0 === strncmp($message, 'assert(): ', 10)) { $throw = 0; } if (!$type || (!$log && !$throw)) { return false; } $logMessage = $this->levels[$type].': '.$message; if (!$throw && !($type & $level)) { if (!isset(self::$silencedErrorCache[$id = $file.':'.$line])) { $lightTrace = $this->tracedErrors & $type ? $this->cleanTrace(debug_backtrace(\DEBUG_BACKTRACE_IGNORE_ARGS, 5), $type, $file, $line, false) : []; $errorAsException = new SilencedErrorContext($type, $file, $line, isset($lightTrace[1]) ? [$lightTrace[0]] : $lightTrace); } elseif (isset(self::$silencedErrorCache[$id][$message])) { $lightTrace = null; $errorAsException = self::$silencedErrorCache[$id][$message]; ++$errorAsException->count; } else { $lightTrace = []; $errorAsException = null; } if (100 < ++self::$silencedErrorCount) { self::$silencedErrorCache = $lightTrace = []; self::$silencedErrorCount = 1; } if ($errorAsException) { self::$silencedErrorCache[$id][$message] = $errorAsException; } if (null === $lightTrace) { return true; } } else { if (str_contains($message, '@anonymous')) { $backtrace = debug_backtrace(false, 5); for ($i = 1; isset($backtrace[$i]); ++$i) { if (isset($backtrace[$i]['function'], $backtrace[$i]['args'][0]) && ('trigger_error' === $backtrace[$i]['function'] || 'user_error' === $backtrace[$i]['function']) ) { if ($backtrace[$i]['args'][0] !== $message) { $message = $this->parseAnonymousClass($backtrace[$i]['args'][0]); $logMessage = $this->levels[$type].': '.$message; } break; } } } $errorAsException = new \ErrorException($logMessage, 0, $type, $file, $line); if ($throw || $this->tracedErrors & $type) { $backtrace = $errorAsException->getTrace(); $lightTrace = $this->cleanTrace($backtrace, $type, $file, $line, $throw); ($this->configureException)($errorAsException, $lightTrace, $file, $line); } else { ($this->configureException)($errorAsException, []); $backtrace = []; } } if ($throw) { throw $errorAsException; } if ($this->isRecursive) { $log = 0; } else { try { $this->isRecursive = true; $level = ($type & $level) ? $this->loggers[$type][1] : LogLevel::DEBUG; $this->loggers[$type][0]->log($level, $logMessage, $errorAsException ? ['exception' => $errorAsException] : []); } finally { $this->isRecursive = false; } } return !$silenced && $type && $log; } /** * Handles an exception by logging then forwarding it to another handler. * * @internal */ public function handleException(\Throwable $exception) { $handlerException = null; if (!$exception instanceof FatalError) { self::$exitCode = 255; $type = ThrowableUtils::getSeverity($exception); } else { $type = $exception->getError()['type']; } if ($this->loggedErrors & $type) { if (str_contains($message = $exception->getMessage(), "@anonymous\0")) { $message = $this->parseAnonymousClass($message); } if ($exception instanceof FatalError) { $message = 'Fatal '.$message; } elseif ($exception instanceof \Error) { $message = 'Uncaught Error: '.$message; } elseif ($exception instanceof \ErrorException) { $message = 'Uncaught '.$message; } else { $message = 'Uncaught Exception: '.$message; } try { $this->loggers[$type][0]->log($this->loggers[$type][1], $message, ['exception' => $exception]); } catch (\Throwable $handlerException) { } } if (!$exception instanceof OutOfMemoryError) { foreach ($this->getErrorEnhancers() as $errorEnhancer) { if ($e = $errorEnhancer->enhance($exception)) { $exception = $e; break; } } } $exceptionHandler = $this->exceptionHandler; $this->exceptionHandler = [$this, 'renderException']; if (null === $exceptionHandler || $exceptionHandler === $this->exceptionHandler) { $this->exceptionHandler = null; } try { if (null !== $exceptionHandler) { return $exceptionHandler($exception); } $handlerException = $handlerException ?: $exception; } catch (\Throwable $handlerException) { } if ($exception === $handlerException && null === $this->exceptionHandler) { self::$reservedMemory = null; // Disable the fatal error handler throw $exception; // Give back $exception to the native handler } $loggedErrors = $this->loggedErrors; if ($exception === $handlerException) { $this->loggedErrors &= ~$type; } try { $this->handleException($handlerException); } finally { $this->loggedErrors = $loggedErrors; } } /** * Shutdown registered function for handling PHP fatal errors. * * @param array|null $error An array as returned by error_get_last() * * @internal */ public static function handleFatalError(array $error = null): void { if (null === self::$reservedMemory) { return; } $handler = self::$reservedMemory = null; $handlers = []; $previousHandler = null; $sameHandlerLimit = 10; while (!\is_array($handler) || !$handler[0] instanceof self) { $handler = set_exception_handler('var_dump'); restore_exception_handler(); if (!$handler) { break; } restore_exception_handler(); if ($handler !== $previousHandler) { array_unshift($handlers, $handler); $previousHandler = $handler; } elseif (0 === --$sameHandlerLimit) { $handler = null; break; } } foreach ($handlers as $h) { set_exception_handler($h); } if (!$handler) { return; } if ($handler !== $h) { $handler[0]->setExceptionHandler($h); } $handler = $handler[0]; $handlers = []; if ($exit = null === $error) { $error = error_get_last(); } if ($error && $error['type'] &= \E_PARSE | \E_ERROR | \E_CORE_ERROR | \E_COMPILE_ERROR) { // Let's not throw anymore but keep logging $handler->throwAt(0, true); $trace = $error['backtrace'] ?? null; if (str_starts_with($error['message'], 'Allowed memory') || str_starts_with($error['message'], 'Out of memory')) { $fatalError = new OutOfMemoryError($handler->levels[$error['type']].': '.$error['message'], 0, $error, 2, false, $trace); } else { $fatalError = new FatalError($handler->levels[$error['type']].': '.$error['message'], 0, $error, 2, true, $trace); } } else { $fatalError = null; } try { if (null !== $fatalError) { self::$exitCode = 255; $handler->handleException($fatalError); } } catch (FatalError $e) { // Ignore this re-throw } if ($exit && self::$exitCode) { $exitCode = self::$exitCode; register_shutdown_function('register_shutdown_function', function () use ($exitCode) { exit($exitCode); }); } } /** * Renders the given exception. * * As this method is mainly called during boot where nothing is yet available, * the output is always either HTML or CLI depending where PHP runs. */ private function renderException(\Throwable $exception): void { $renderer = \in_array(\PHP_SAPI, ['cli', 'phpdbg'], true) ? new CliErrorRenderer() : new HtmlErrorRenderer($this->debug); $exception = $renderer->render($exception); if (!headers_sent()) { http_response_code($exception->getStatusCode()); foreach ($exception->getHeaders() as $name => $value) { header($name.': '.$value, false); } } echo $exception->getAsString(); } /** * Override this method if you want to define more error enhancers. * * @return ErrorEnhancerInterface[] */ protected function getErrorEnhancers(): iterable { return [ new UndefinedFunctionErrorEnhancer(), new UndefinedMethodErrorEnhancer(), new ClassNotFoundErrorEnhancer(), ]; } /** * Cleans the trace by removing function arguments and the frames added by the error handler and DebugClassLoader. */ private function cleanTrace(array $backtrace, int $type, string &$file, int &$line, bool $throw): array { $lightTrace = $backtrace; for ($i = 0; isset($backtrace[$i]); ++$i) { if (isset($backtrace[$i]['file'], $backtrace[$i]['line']) && $backtrace[$i]['line'] === $line && $backtrace[$i]['file'] === $file) { $lightTrace = \array_slice($lightTrace, 1 + $i); break; } } if (\E_USER_DEPRECATED === $type) { for ($i = 0; isset($lightTrace[$i]); ++$i) { if (!isset($lightTrace[$i]['file'], $lightTrace[$i]['line'], $lightTrace[$i]['function'])) { continue; } if (!isset($lightTrace[$i]['class']) && 'trigger_deprecation' === $lightTrace[$i]['function']) { $file = $lightTrace[$i]['file']; $line = $lightTrace[$i]['line']; $lightTrace = \array_slice($lightTrace, 1 + $i); break; } } } if (class_exists(DebugClassLoader::class, false)) { for ($i = \count($lightTrace) - 2; 0 < $i; --$i) { if (DebugClassLoader::class === ($lightTrace[$i]['class'] ?? null)) { array_splice($lightTrace, --$i, 2); } } } if (!($throw || $this->scopedErrors & $type)) { for ($i = 0; isset($lightTrace[$i]); ++$i) { unset($lightTrace[$i]['args'], $lightTrace[$i]['object']); } } return $lightTrace; } /** * Parse the error message by removing the anonymous class notation * and using the parent class instead if possible. */ private function parseAnonymousClass(string $message): string { return preg_replace_callback('/[a-zA-Z_\x7f-\xff][\\\\a-zA-Z0-9_\x7f-\xff]*+@anonymous\x00.*?\.php(?:0x?|:[0-9]++\$)[0-9a-fA-F]++/', static function ($m) { return class_exists($m[0], false) ? (get_parent_class($m[0]) ?: key(class_implements($m[0])) ?: 'class').'@anonymous' : $m[0]; }, $message); } }