friendica/src/Core/Logger/Factory/Logger.php

274 lines
8.6 KiB
PHP

<?php
/**
* @copyright Copyright (C) 2010-2022, the Friendica project
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
*/
namespace Friendica\Core\Logger\Factory;
use Friendica\Core\Config\Capability\IManageConfigValues;
use Friendica\Core;
use Friendica\Core\Logger\Exception\LogLevelException;
use Friendica\Database\Database;
use Friendica\Network\HTTPException\InternalServerErrorException;
use Friendica\Util\FileSystem;
use Friendica\Core\Logger\Util\Introspection;
use Friendica\Core\Logger\Type\ProfilerLogger;
use Friendica\Core\Logger\Type\StreamLogger;
use Friendica\Core\Logger\Type\SyslogLogger;
use Friendica\Util\Profiler;
use Psr\Log\LoggerInterface;
use Psr\Log\LogLevel;
use Psr\Log\NullLogger;
/**
* A logger factory
*/
class Logger
{
const DEV_CHANNEL = 'dev';
/**
* A list of classes, which shouldn't get logged
*
* @var string[]
*/
private static $ignoreClassList = [
Core\Logger::class,
Profiler::class,
'Friendica\\Core\\Logger\\Type',
];
/** @var string The log-channel (app, worker, ...) */
private $channel;
public function __construct(string $channel, bool $includeAddon = true)
{
$this->channel = $channel;
/// @fixme clean solution = Making Addon & Hook dynamic and load them inside the constructor, so there's no custom load logic necessary anymore
if ($includeAddon) {
Core\Addon::loadAddons();
Core\Hook::loadHooks();
}
}
/**
* Creates a new PSR-3 compliant logger instances
*
* @param Database $database The Friendica Database instance
* @param IManageConfigValues $config The config
* @param Profiler $profiler The profiler of the app
* @param FileSystem $fileSystem FileSystem utils
* @param string|null $minLevel (optional) Override minimum Loglevel to log
*
* @return LoggerInterface The PSR-3 compliant logger instance
*/
public function create(Database $database, IManageConfigValues $config, Profiler $profiler, FileSystem $fileSystem, ?string $minLevel = null): LoggerInterface
{
if (empty($config->get('system', 'debugging', false))) {
$logger = new NullLogger();
$database->setLogger($logger);
return $logger;
}
$introspection = new Introspection(self::$ignoreClassList);
$minLevel = $minLevel ?? $config->get('system', 'loglevel');
$loglevel = self::mapLegacyConfigDebugLevel((string)$minLevel);
$name = $config->get('system', 'logger_config', 'stream');
switch ($name) {
case 'syslog':
try {
$logger = new SyslogLogger($this->channel, $introspection, $loglevel, $config->get('system', 'syslog_flags', SyslogLogger::DEFAULT_FLAGS), $config->get('system', 'syslog_facility', SyslogLogger::DEFAULT_FACILITY));
} catch (LogLevelException $exception) {
// If there's a wrong config value for loglevel, try again with standard
$logger = $this->create($database, $config, $profiler, $fileSystem, LogLevel::NOTICE);
$logger->warning('Invalid loglevel set in config.', ['loglevel' => $loglevel]);
} catch (\Throwable $e) {
// No logger ...
$logger = new NullLogger();
}
break;
case 'stream':
default:
$data = [
'name' => $name,
'channel' => $this->channel,
'introspection' => $introspection,
'loglevel' => $loglevel,
'logger' => null,
];
try {
Core\Hook::callAll('logger_instance', $data);
} catch (InternalServerErrorException $exception) {
$data['logger'] = null;
}
if (($data['logger'] ?? null) instanceof LoggerInterface) {
$logger = $data['logger'];
}
if (empty($logger)) {
$stream = $config->get('system', 'logfile');
// just add a stream in case it's either writable or not file
if (!is_file($stream) || is_writable($stream)) {
try {
$logger = new StreamLogger($this->channel, $stream, $introspection, $fileSystem, $loglevel);
} catch (LogLevelException $exception) {
// If there's a wrong config value for loglevel, try again with standard
$logger = $this->create($database, $config, $profiler, $fileSystem, LogLevel::NOTICE);
$logger->warning('Invalid loglevel set in config.', ['loglevel' => $loglevel]);
} catch (\Throwable $t) {
// No logger ...
$logger = new NullLogger();
}
} else {
try {
$logger = new SyslogLogger($this->channel, $introspection, $loglevel);
} catch (LogLevelException $exception) {
// If there's a wrong config value for loglevel, try again with standard
$logger = $this->create($database, $config, $profiler, $fileSystem, LogLevel::NOTICE);
$logger->warning('Invalid loglevel set in config.', ['loglevel' => $loglevel]);
} catch (\Throwable $e) {
// No logger ...
$logger = new NullLogger();
}
}
}
break;
}
$profiling = $config->get('system', 'profiling', false);
// In case profiling is enabled, wrap the ProfilerLogger around the current logger
if (isset($profiling) && $profiling !== false) {
$logger = new ProfilerLogger($logger, $profiler);
}
$database->setLogger($logger);
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 IManageConfigValues $config The config
* @param Profiler $profiler The profiler of the app
* @param FileSystem $fileSystem FileSystem utils
*
* @return LoggerInterface The PSR-3 compliant logger instance
* @throws \Exception
*/
public static function createDev(IManageConfigValues $config, Profiler $profiler, FileSystem $fileSystem)
{
$debugging = $config->get('system', 'debugging');
$stream = $config->get('system', 'dlogfile');
$developerIp = $config->get('system', 'dlogip');
if ((!isset($developerIp) || !$debugging) &&
(!is_file($stream) || is_writable($stream))) {
return new NullLogger();
}
$introspection = new Introspection(self::$ignoreClassList);
$name = $config->get('system', 'logger_config', 'stream');
switch ($name) {
case 'syslog':
$logger = new SyslogLogger(self::DEV_CHANNEL, $introspection, LogLevel::DEBUG);
break;
case 'stream':
default:
$data = [
'name' => $name,
'channel' => self::DEV_CHANNEL,
'introspection' => $introspection,
'loglevel' => LogLevel::DEBUG,
'logger' => null,
];
try {
Core\Hook::callAll('logger_instance', $data);
} catch (InternalServerErrorException $exception) {
$data['logger'] = null;
}
if (($data['logger'] ?? null) instanceof LoggerInterface) {
return $data['logger'];
}
$logger = new StreamLogger(self::DEV_CHANNEL, $stream, $introspection, $fileSystem, LogLevel::DEBUG);
break;
}
$profiling = $config->get('system', 'profiling', false);
// In case profiling is enabled, wrap the ProfilerLogger around the current logger
if (isset($profiling) && $profiling !== false) {
$logger = new ProfilerLogger($logger, $profiler);
}
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(string $level): string
{
switch ($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":
// legacy ALL
case "5":
return LogLevel::DEBUG;
// default if nothing set
default:
return $level;
}
}
}