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<?php declare(strict_types=1);
/*
* This file is part of the Monolog package.
*
* (c) Jordi Boggiano <j.boggiano@seld.be>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Monolog\Formatter;
use Monolog\DateTimeImmutable;
use Monolog\Utils;
use Throwable;
/**
* Normalizes incoming records to remove objects/resources so it's easier to dump to various targets
*
* @author Jordi Boggiano <j.boggiano@seld.be>
*/
class NormalizerFormatter implements FormatterInterface
{
public const SIMPLE_DATE = "Y-m-d\TH:i:sP";
/** @var string */
protected $dateFormat;
/** @var int */
protected $maxNormalizeDepth = 9;
/** @var int */
protected $maxNormalizeItemCount = 1000;
/** @var int */
private $jsonEncodeOptions = Utils::DEFAULT_JSON_FLAGS;
/**
* @param string|null $dateFormat The format of the timestamp: one supported by DateTime::format
*/
public function __construct(?string $dateFormat = null)
{
$this->dateFormat = null === $dateFormat ? static::SIMPLE_DATE : $dateFormat;
if (!function_exists('json_encode')) {
throw new \RuntimeException('PHP\'s json extension is required to use Monolog\'s NormalizerFormatter');
}
}
/**
* {@inheritDoc}
*
* @param mixed[] $record
*/
public function format(array $record)
{
return $this->normalize($record);
}
/**
* {@inheritDoc}
*/
public function formatBatch(array $records)
{
foreach ($records as $key => $record) {
$records[$key] = $this->format($record);
}
return $records;
}
public function getDateFormat(): string
{
return $this->dateFormat;
}
public function setDateFormat(string $dateFormat): self
{
$this->dateFormat = $dateFormat;
return $this;
}
/**
* The maximum number of normalization levels to go through
*/
public function getMaxNormalizeDepth(): int
{
return $this->maxNormalizeDepth;
}
public function setMaxNormalizeDepth(int $maxNormalizeDepth): self
{
$this->maxNormalizeDepth = $maxNormalizeDepth;
return $this;
}
/**
* The maximum number of items to normalize per level
*/
public function getMaxNormalizeItemCount(): int
{
return $this->maxNormalizeItemCount;
}
public function setMaxNormalizeItemCount(int $maxNormalizeItemCount): self
{
$this->maxNormalizeItemCount = $maxNormalizeItemCount;
return $this;
}
/**
* Enables `json_encode` pretty print.
*/
public function setJsonPrettyPrint(bool $enable): self
{
if ($enable) {
$this->jsonEncodeOptions |= JSON_PRETTY_PRINT;
} else {
$this->jsonEncodeOptions &= ~JSON_PRETTY_PRINT;
}
return $this;
}
/**
* @param mixed $data
* @return null|scalar|array<array|scalar|null>
*/
protected function normalize($data, int $depth = 0)
{
if ($depth > $this->maxNormalizeDepth) {
return 'Over ' . $this->maxNormalizeDepth . ' levels deep, aborting normalization';
}
if (null === $data || is_scalar($data)) {
if (is_float($data)) {
if (is_infinite($data)) {
return ($data > 0 ? '' : '-') . 'INF';
}
if (is_nan($data)) {
return 'NaN';
}
}
return $data;
}
if (is_array($data)) {
$normalized = [];
$count = 1;
foreach ($data as $key => $value) {
if ($count++ > $this->maxNormalizeItemCount) {
$normalized['...'] = 'Over ' . $this->maxNormalizeItemCount . ' items ('.count($data).' total), aborting normalization';
break;
}
$normalized[$key] = $this->normalize($value, $depth + 1);
}
return $normalized;
}
if ($data instanceof \DateTimeInterface) {
return $this->formatDate($data);
}
if (is_object($data)) {
if ($data instanceof Throwable) {
return $this->normalizeException($data, $depth);
}
if ($data instanceof \JsonSerializable) {
/** @var null|scalar|array<array|scalar|null> $value */
$value = $data->jsonSerialize();
} elseif (method_exists($data, '__toString')) {
/** @var string $value */
$value = $data->__toString();
} else {
// the rest is normalized by json encoding and decoding it
/** @var null|scalar|array<array|scalar|null> $value */
$value = json_decode($this->toJson($data, true), true);
}
return [Utils::getClass($data) => $value];
}
if (is_resource($data)) {
return sprintf('[resource(%s)]', get_resource_type($data));
}
return '[unknown('.gettype($data).')]';
}
/**
* @return mixed[]
*/
protected function normalizeException(Throwable $e, int $depth = 0)
{
if ($depth > $this->maxNormalizeDepth) {
return ['Over ' . $this->maxNormalizeDepth . ' levels deep, aborting normalization'];
}
if ($e instanceof \JsonSerializable) {
return (array) $e->jsonSerialize();
}
$data = [
'class' => Utils::getClass($e),
'message' => $e->getMessage(),
'code' => (int) $e->getCode(),
'file' => $e->getFile().':'.$e->getLine(),
];
if ($e instanceof \SoapFault) {
if (isset($e->faultcode)) {
$data['faultcode'] = $e->faultcode;
}
if (isset($e->faultactor)) {
$data['faultactor'] = $e->faultactor;
}
if (isset($e->detail)) {
if (is_string($e->detail)) {
$data['detail'] = $e->detail;
} elseif (is_object($e->detail) || is_array($e->detail)) {
$data['detail'] = $this->toJson($e->detail, true);
}
}
}
$trace = $e->getTrace();
foreach ($trace as $frame) {
if (isset($frame['file'])) {
$data['trace'][] = $frame['file'].':'.$frame['line'];
}
}
if ($previous = $e->getPrevious()) {
$data['previous'] = $this->normalizeException($previous, $depth + 1);
}
return $data;
}
/**
* Return the JSON representation of a value
*
* @param mixed $data
* @throws \RuntimeException if encoding fails and errors are not ignored
* @return string if encoding fails and ignoreErrors is true 'null' is returned
*/
protected function toJson($data, bool $ignoreErrors = false): string
{
return Utils::jsonEncode($data, $this->jsonEncodeOptions, $ignoreErrors);
}
/**
* @return string
*/
protected function formatDate(\DateTimeInterface $date)
{
// in case the date format isn't custom then we defer to the custom DateTimeImmutable
// formatting logic, which will pick the right format based on whether useMicroseconds is on
if ($this->dateFormat === self::SIMPLE_DATE && $date instanceof DateTimeImmutable) {
return (string) $date;
}
return $date->format($this->dateFormat);
}
public function addJsonEncodeOption(int $option): self
{
$this->jsonEncodeOptions |= $option;
return $this;
}
public function removeJsonEncodeOption(int $option): self
{
$this->jsonEncodeOptions &= ~$option;
return $this;
}
}
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