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<?php |
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namespace Honeybadger; |
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use ReflectionClass; |
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use ReflectionException; |
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use Throwable; |
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class BacktraceFactory |
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{ |
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/** |
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* @var \Throwable |
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*/ |
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protected $exception; |
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/** |
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* @param \Throwable $exception |
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*/ |
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public function __construct(Throwable $exception) |
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{ |
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$this->exception = $exception; |
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} |
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/** |
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* @return array |
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*/ |
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public function trace(): array |
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{ |
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$backtrace = $this->offsetForThrownException( |
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$this->exception->getTrace() |
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); |
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return $this->formatBacktrace($backtrace); |
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} |
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/** |
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* @return array |
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*/ |
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public function previous(): array |
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{ |
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return $this->formatPrevious($this->exception); |
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} |
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/** |
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* @param \Throwable $e |
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* @param array $previousCauses |
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* @return array |
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*/ |
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private function formatPrevious(Throwable $e, array $previousCauses = []): array |
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{ |
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if ($e = $e->getPrevious()) { |
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$previousCauses[] = [ |
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'class' => get_class($e), |
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'message' => $e->getMessage(), |
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'backtrace' => (new self($e))->trace(), |
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]; |
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return $this->formatPrevious($e, $previousCauses); |
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} |
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return $previousCauses; |
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} |
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/** |
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* @param array $backtrace |
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* @return array |
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*/ |
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private function offsetForThrownException(array $backtrace): array |
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{ |
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$backtrace[0] = array_merge($backtrace[0] ?? [], [ |
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'line' => $this->exception->getLine(), |
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'file' => $this->exception->getFile(), |
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]); |
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return $backtrace; |
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} |
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/** |
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* @param array $backtrace |
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* @return array |
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*/ |
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private function formatBacktrace(array $backtrace): array |
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{ |
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return array_map(function ($frame) { |
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if (! array_key_exists('file', $frame)) { |
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$context = $this->contextWithoutFile($frame); |
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} else { |
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$context = $this->contextWithFile($frame); |
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} |
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return array_merge($context, [ |
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'method' => $frame['function'] ?? null, |
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'args' => $this->parseArgs($frame['args'] ?? []), |
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'class' => $frame['class'] ?? null, |
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'type' => $frame['type'] ?? null, |
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]); |
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}, $backtrace); |
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} |
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/** |
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* Parse method arguments and make any transformations. |
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* |
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* @param array $args |
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* @return array |
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*/ |
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private function parseArgs(array $args): array |
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{ |
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return array_map(function ($arg) { |
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if (is_object($arg)) { |
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return get_class($arg); |
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} |
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return $arg; |
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}, $args); |
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} |
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/** |
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* @param array $frame |
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* @return array |
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*/ |
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private function contextWithoutFile(array $frame): array |
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{ |
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if (! empty($frame['class'])) { |
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$filename = sprintf('%s%s%s', $frame['class'], $frame['type'], $frame['function']); |
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try { |
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$reflect = new ReflectionClass($frame['class']); |
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$filename = $reflect->getFileName(); |
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} catch (ReflectionException $e) { |
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// Forget it if we run into errors, it's not worth it. |
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} |
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} elseif (! empty($frame['function'])) { |
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$filename = sprintf('%s(anonymous)', $frame['function']); |
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} else { |
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$filename = sprintf('(anonymous)'); |
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} |
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if (empty($filename)) { |
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$filename = '[Anonymous function]'; |
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} |
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return [ |
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'source' => null, |
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'file' => $filename, |
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'number' => '0', |
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]; |
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} |
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/** |
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* @param array $frame |
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* @return array |
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*/ |
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private function contextWithFile(array $frame): array |
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{ |
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return [ |
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'source' => (new FileSource($frame['file'], $frame['line']))->getSource(), |
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'file' => $frame['file'], |
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'number' => (string) $frame['line'], |
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]; |
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} |
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} |
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honeybadger-io /
honeybadger-php
