Friendica Communications Platform (please note that this is a clone of the repository at github, issues are handled there) https://friendi.ca
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<?php
namespace Friendica\Factory;
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use Friendica\Core\Config\Configuration;
use Friendica\Core\Logger;
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use Friendica\Network\HTTPException\InternalServerErrorException;
use Friendica\Util\Logger\FriendicaDevelopHandler;
use Friendica\Util\Logger\FriendicaIntrospectionProcessor;
use Friendica\Util\Profiler;
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use Monolog;
use Psr\Log\LoggerInterface;
use Psr\Log\LogLevel;
/**
* A logger factory
*
* Currently only Monolog is supported
*/
class LoggerFactory
{
/**
* Creates a new PSR-3 compliant logger instances
*
* @param string $channel The channel of the logger instance
* @param Configuration $config The config
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*
* @return LoggerInterface The PSR-3 compliant logger instance
*/
public static function create($channel, Configuration $config)
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{
$logger = new Monolog\Logger($channel);
$logger->pushProcessor(new Monolog\Processor\PsrLogMessageProcessor());
$logger->pushProcessor(new Monolog\Processor\ProcessIdProcessor());
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$logger->pushProcessor(new Monolog\Processor\UidProcessor());
$logger->pushProcessor(new FriendicaIntrospectionProcessor(LogLevel::DEBUG, [Logger::class, Profiler::class]));
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$debugging = $config->get('system', 'debugging');
$stream = $config->get('system', 'logfile');
$level = $config->get('system', 'loglevel');
if ($debugging) {
$loglevel = self::mapLegacyConfigDebugLevel((string)$level);
static::addStreamHandler($logger, $stream, $loglevel);
}
Logger::setLogger($logger);
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return $logger;
}
/**
* Creates a new PSR-3 compliant develop logger
*
* If you want to debug only interactions from your IP or the IP of a remote server for federation debug,
* you'll use this logger instance for the duration of your work.
*
* It should never get filled during normal usage of Friendica
*
* @param string $channel The channel of the logger instance
* @param Configuration $config The config
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*
* @return LoggerInterface The PSR-3 compliant logger instance
*/
public static function createDev($channel, Configuration $config)
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{
$debugging = $config->get('system', 'debugging');
$stream = $config->get('system', 'dlogfile');
$developerIp = $config->get('system', 'dlogip');
if (!isset($developerIp) || !$debugging) {
return null;
}
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$logger = new Monolog\Logger($channel);
$logger->pushProcessor(new Monolog\Processor\PsrLogMessageProcessor());
$logger->pushProcessor(new Monolog\Processor\ProcessIdProcessor());
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$logger->pushProcessor(new Monolog\Processor\UidProcessor());
$logger->pushProcessor(new FriendicaIntrospectionProcessor(LogLevel::DEBUG, ['Friendica\\Core\\Logger']));
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$logger->pushHandler(new FriendicaDevelopHandler($developerIp));
static::addStreamHandler($logger, $stream, LogLevel::DEBUG);
Logger::setDevLogger($logger);
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return $logger;
}
/**
* Mapping a legacy level to the PSR-3 compliant levels
* @see https://github.com/php-fig/fig-standards/blob/master/accepted/PSR-3-logger-interface.md#5-psrlogloglevel
*
* @param string $level the level to be mapped
*
* @return string the PSR-3 compliant level
*/
private static function mapLegacyConfigDebugLevel($level)
{
switch ($level) {
// legacy WARNING
case "0":
return LogLevel::ERROR;
// legacy INFO
case "1":
return LogLevel::WARNING;
// legacy TRACE
case "2":
return LogLevel::NOTICE;
// legacy DEBUG
case "3":
return LogLevel::INFO;
// legacy DATA
case "4":
return LogLevel::DEBUG;
// legacy ALL
case "5":
return LogLevel::DEBUG;
// default if nothing set
default:
return $level;
}
}
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/**
* Adding a handler to a given logger instance
*
* @param LoggerInterface $logger The logger instance
* @param mixed $stream The stream which handles the logger output
* @param string $level The level, for which this handler at least should handle logging
*
* @return void
*
* @throws InternalServerErrorException if the logger is incompatible to the logger factory
* @throws \Exception in case of general failures
*/
public static function addStreamHandler($logger, $stream, $level = LogLevel::NOTICE)
{
if ($logger instanceof Monolog\Logger) {
$loglevel = Monolog\Logger::toMonologLevel($level);
// fallback to notice if an invalid loglevel is set
if (!is_int($loglevel)) {
$loglevel = LogLevel::NOTICE;
}
$fileHandler = new Monolog\Handler\StreamHandler($stream, $loglevel);
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$formatter = new Monolog\Formatter\LineFormatter("%datetime% %channel% [%level_name%]: %message% %context% %extra%\n");
$fileHandler->setFormatter($formatter);
$logger->pushHandler($fileHandler);
} else {
throw new InternalServerErrorException('Logger instance incompatible for MonologFactory');
}
}
}