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<?php |
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namespace ShiftOneLabs\PhpRollbarExtensions\Transformers; |
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use Error; |
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use Exception; |
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use Throwable; |
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use ReflectionClass; |
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use Rollbar\Payload\Payload; |
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use Rollbar\TransformerInterface; |
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class AddExceptionPropertiesTransformer implements TransformerInterface |
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{ |
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/** |
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* Transform the payload. |
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* |
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* This transformer modifies the payload to add all the values of all |
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* the properties of all the exceptions in the exception chain to |
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* a properties key on the data custom element. |
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* |
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* @param \Rollbar\Payload\Payload $payload |
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* @param \Rollbar\Payload\Level $level |
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* @param \Exception|\Throwable $toLog |
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* @param $context |
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* |
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* @return \Rollbar\Payload\Payload |
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*/ |
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public function transform(Payload $payload, $level, $toLog, $context) |
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{ |
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// The interface docblock only specifies Exceptions and Throwables, but |
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// $toLog can also be a string. Make sure we only work on Throwables. |
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// Also check for Exception to support PHP < 7. |
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if (!$toLog instanceof Throwable && !$toLog instanceof Exception) { |
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return $payload; |
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} |
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$custom = $payload->getData()->getCustom(); |
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$custom['properties'] = json_decode(json_encode($this->getPropertyValues($toLog), JSON_PARTIAL_OUTPUT_ON_ERROR), true); |
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$payload->getData()->setCustom($custom); |
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return $payload; |
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} |
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/** |
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* Recursively get the property values for the exception chain. |
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* |
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* @param \Exception|\Throwable $exception |
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* |
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* @return array |
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*/ |
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protected function getPropertyValues($exception) |
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{ |
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// Get all the values of all the object's properties. Use reflection |
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// to access all the defined properties, and use get_object_vars |
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// to access all the dynamically added properties. |
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$properties = array_merge( |
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array_reduce( |
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(new ReflectionClass($exception))->getProperties(), |
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function ($carry, $property) use ($exception) { |
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// Exclude some unneeded private properties from the base |
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// Exception and Error classes. |
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if ($property->isPrivate() |
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&& in_array(get_class($exception), [Exception::class, Error::class]) |
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&& in_array($property->getName(), ['string', 'trace', 'previous'])) { |
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return $carry; |
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} |
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$property->setAccessible(true); |
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$carry[$property->getName()] = $property->getValue($exception); |
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return $carry; |
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}, |
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[] |
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), |
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get_object_vars($exception) |
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); |
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// Go down the exception chain to get all the nested exception values. |
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$previous = $exception->getPrevious(); |
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if ($previous instanceof Throwable || $previous instanceof Exception) { |
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$properties['previous'] = [get_class($previous) => $this->getPropertyValues($previous)]; |
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} |
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return $properties; |
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} |
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} |
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shiftonelabs /
php-rollbar-extensions
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