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vendor/symfony/http-kernel/Log/Logger.php
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190
vendor/symfony/http-kernel/Log/Logger.php
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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\HttpKernel\Log;
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use Psr\Log\AbstractLogger;
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use Psr\Log\InvalidArgumentException;
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use Psr\Log\LogLevel;
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use Symfony\Component\HttpFoundation\Request;
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use Symfony\Component\HttpFoundation\RequestStack;
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/**
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* Minimalist PSR-3 logger designed to write in stderr or any other stream.
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*
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* @author Kévin Dunglas <dunglas@gmail.com>
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*/
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class Logger extends AbstractLogger implements DebugLoggerInterface
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{
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private const LEVELS = [
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LogLevel::DEBUG => 0,
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LogLevel::INFO => 1,
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LogLevel::NOTICE => 2,
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LogLevel::WARNING => 3,
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LogLevel::ERROR => 4,
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LogLevel::CRITICAL => 5,
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LogLevel::ALERT => 6,
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LogLevel::EMERGENCY => 7,
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];
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private const PRIORITIES = [
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LogLevel::DEBUG => 100,
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LogLevel::INFO => 200,
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LogLevel::NOTICE => 250,
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LogLevel::WARNING => 300,
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LogLevel::ERROR => 400,
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LogLevel::CRITICAL => 500,
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LogLevel::ALERT => 550,
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LogLevel::EMERGENCY => 600,
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];
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private int $minLevelIndex;
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private \Closure $formatter;
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private bool $debug = false;
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private array $logs = [];
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private array $errorCount = [];
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/** @var resource|null */
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private $handle;
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/**
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* @param string|resource|null $output
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*/
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public function __construct(?string $minLevel = null, $output = null, ?callable $formatter = null, private readonly ?RequestStack $requestStack = null, bool $debug = false)
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{
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if (null === $minLevel) {
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$minLevel = null === $output || 'php://stdout' === $output || 'php://stderr' === $output ? LogLevel::ERROR : LogLevel::WARNING;
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if (isset($_ENV['SHELL_VERBOSITY']) || isset($_SERVER['SHELL_VERBOSITY'])) {
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$minLevel = match ((int) ($_ENV['SHELL_VERBOSITY'] ?? $_SERVER['SHELL_VERBOSITY'])) {
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-1 => LogLevel::ERROR,
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1 => LogLevel::NOTICE,
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2 => LogLevel::INFO,
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3 => LogLevel::DEBUG,
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default => $minLevel,
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};
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}
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}
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if (!isset(self::LEVELS[$minLevel])) {
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throw new InvalidArgumentException(sprintf('The log level "%s" does not exist.', $minLevel));
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}
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$this->minLevelIndex = self::LEVELS[$minLevel];
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$this->formatter = null !== $formatter ? $formatter(...) : $this->format(...);
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if ($output && false === $this->handle = \is_resource($output) ? $output : @fopen($output, 'a')) {
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throw new InvalidArgumentException(sprintf('Unable to open "%s".', $output));
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}
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$this->debug = $debug;
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}
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public function enableDebug(): void
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{
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$this->debug = true;
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}
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public function log($level, $message, array $context = []): void
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{
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if (!isset(self::LEVELS[$level])) {
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throw new InvalidArgumentException(sprintf('The log level "%s" does not exist.', $level));
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}
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if (self::LEVELS[$level] < $this->minLevelIndex) {
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return;
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}
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$formatter = $this->formatter;
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if ($this->handle) {
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@fwrite($this->handle, $formatter($level, $message, $context).\PHP_EOL);
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} else {
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error_log($formatter($level, $message, $context, false));
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}
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if ($this->debug && $this->requestStack) {
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$this->record($level, $message, $context);
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}
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}
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public function getLogs(?Request $request = null): array
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{
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if ($request) {
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return $this->logs[spl_object_id($request)] ?? [];
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}
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return array_merge(...array_values($this->logs));
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}
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public function countErrors(?Request $request = null): int
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{
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if ($request) {
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return $this->errorCount[spl_object_id($request)] ?? 0;
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}
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return array_sum($this->errorCount);
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}
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public function clear(): void
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{
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$this->logs = [];
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$this->errorCount = [];
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}
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private function format(string $level, string $message, array $context, bool $prefixDate = true): string
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{
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if (str_contains($message, '{')) {
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$replacements = [];
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foreach ($context as $key => $val) {
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if (null === $val || \is_scalar($val) || $val instanceof \Stringable) {
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$replacements["{{$key}}"] = $val;
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} elseif ($val instanceof \DateTimeInterface) {
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$replacements["{{$key}}"] = $val->format(\DateTimeInterface::RFC3339);
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} elseif (\is_object($val)) {
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$replacements["{{$key}}"] = '[object '.$val::class.']';
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} else {
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$replacements["{{$key}}"] = '['.\gettype($val).']';
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}
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}
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$message = strtr($message, $replacements);
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}
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$log = sprintf('[%s] %s', $level, $message);
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if ($prefixDate) {
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$log = date(\DateTimeInterface::RFC3339).' '.$log;
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}
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return $log;
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}
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private function record($level, $message, array $context): void
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{
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$request = $this->requestStack->getCurrentRequest();
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$key = $request ? spl_object_id($request) : '';
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$this->logs[$key][] = [
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'channel' => null,
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'context' => $context,
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'message' => $message,
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'priority' => self::PRIORITIES[$level],
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'priorityName' => $level,
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'timestamp' => time(),
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'timestamp_rfc3339' => date(\DATE_RFC3339_EXTENDED),
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];
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$this->errorCount[$key] ??= 0;
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switch ($level) {
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case LogLevel::ERROR:
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case LogLevel::CRITICAL:
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case LogLevel::ALERT:
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case LogLevel::EMERGENCY:
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++$this->errorCount[$key];
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}
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}
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}
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