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<?php declare(strict_types=1); |
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namespace WyriHaximus\React\PSR3\Loggly; |
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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 React\Dns\Resolver\Factory as ResolverFactory; |
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use React\EventLoop\LoopInterface; |
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use React\HttpClient\Client; |
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use React\HttpClient\Factory as HttpClientFactory; |
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final class LogglyLogger extends AbstractLogger |
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{ |
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/** |
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* Logging levels PSR-3 LogLevel enum |
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* |
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* @var array $levels Logging levels |
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*/ |
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const LOG_LEVELS = [ |
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LogLevel::DEBUG => 'DEBUG', |
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LogLevel::INFO => 'INFO', |
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LogLevel::NOTICE => 'NOTICE', |
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LogLevel::WARNING => 'WARNING', |
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LogLevel::ERROR => 'ERROR', |
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LogLevel::CRITICAL => 'CRITICAL', |
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LogLevel::ALERT => 'ALERT', |
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LogLevel::EMERGENCY => 'EMERGENCY', |
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]; |
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/** |
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* @var Client |
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*/ |
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private $httpClient; |
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/** |
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* @var string |
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*/ |
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private $token; |
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public static function create(LoopInterface $loop, string $token): self |
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{ |
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$resolverFactory = new ResolverFactory(); |
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$resolver = $resolverFactory->create('8.8.8.8', $loop); |
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$factory = new HttpClientFactory(); |
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$httpClient = $factory->create($loop, $resolver); |
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return new self($httpClient, $token); |
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} |
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public static function createFromHttpClient(Client $httpClient, string $token): self |
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{ |
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return new self($httpClient, $token); |
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} |
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private function __construct(Client $httpClient, string $token) |
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{ |
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$this->httpClient = $httpClient; |
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$this->token = $token; |
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} |
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public function log($level, $message, array $context = []) |
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{ |
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$levels = self::LOG_LEVELS; |
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if (!isset($levels[$level])) { |
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throw new InvalidArgumentException( |
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'Level "'.$level.'" is not defined, use one of: '.implode(', ', array_keys(self::LOG_LEVELS)) |
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); |
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} |
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$data = $this->format($level, $message, $context); |
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$this->send($data); |
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} |
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protected function format($level, $message, array $context): string |
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{ |
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$message = (string)$message; |
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$context = $this->normalizeContext($context); |
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$message = $this->processPlaceHolders($message, $context); |
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$json = json_encode([ |
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'level' => $level, |
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'message' => $message, |
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'level_message' => $level . ' ' . $message, |
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'context' => $context, |
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]); |
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if ($json === false) { |
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throw new InvalidArgumentException(json_last_error_msg()); |
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} |
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return $json; |
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} |
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/** |
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* @param string $message |
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* @param array $context |
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* @return string |
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* |
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* Method copied from: https://github.com/Seldaek/monolog/blob/6e6586257d9fb231bf039563632e626cdef594e5/src/Monolog/Processor/PsrLogMessageProcessor.php |
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*/ |
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private function processPlaceHolders(string $message, array $context): string |
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{ |
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if (false === strpos($message, '{')) { |
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return $message; |
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} |
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$replacements = array(); |
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foreach ($context as $key => $val) { |
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if (is_null($val) || is_scalar($val) || (is_object($val) && method_exists($val, '__toString'))) { |
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$replacements['{'.$key.'}'] = $val; |
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} elseif (is_object($val)) { |
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$replacements['{'.$key.'}'] = '[object '.get_class($val).']'; |
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} else { |
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$replacements['{'.$key.'}'] = '['.gettype($val).']'; |
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} |
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} |
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return strtr($message, $replacements); |
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} |
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private function normalizeContext(array $context): array |
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{ |
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foreach ($context as $index => $value) { |
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if (is_array($value)) { |
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$context[$index] = $this->normalizeContext($value); |
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continue; |
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} |
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if (is_resource($value)) { |
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$context[$index] = sprintf('[resource] (%s)', get_resource_type($value)); |
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continue; |
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} |
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} |
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return $context; |
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} |
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protected function send(string $data) |
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{ |
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$this->httpClient->request( |
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'POST', |
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'https://logs-01.loggly.com/inputs/' . $this->token, |
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[ |
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'Content-Type' => 'application/json', |
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'Content-Length' => strlen($data), |
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], |
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'1.1' |
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)->end($data); |
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} |
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} |
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WyriHaximus /
reactphp-psr-3-loggly
