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Introduce new Hook logic

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- InstanceManager for computing strategies and to allow decorators
- Adapting Core\Logger to use it
This commit is contained in:
Philipp Holzer 2023-01-15 22:31:19 +01:00
commit f609e38600
Signed by: nupplaPhil
GPG key ID: 24A7501396EB5432
22 changed files with 844 additions and 236 deletions
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29
src/Core/Hooks/Capabilities/IAmAStrategy.php Normal file
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@ -0,0 +1,29 @@
<?php
/**
* @copyright Copyright (C) 2010-2023, 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\Hooks\Capabilities;
/**
* All interfaces, marking this interface are valid Strategies for Hook calls
*/
interface IAmAStrategy
{
}

81
src/Core/Hooks/Capabilities/ICanManageInstances.php Normal file
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@ -0,0 +1,81 @@
<?php
/**
* @copyright Copyright (C) 2010-2023, 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\Hooks\Capabilities;
use Friendica\Core\Hooks\Exceptions\HookInstanceException;
use Friendica\Core\Hooks\Exceptions\HookRegisterArgumentException;
/**
* Managing special instance and decorator treatments for classes
*/
interface ICanManageInstances
{
/**
* Register a class(strategy) for a given interface with a unique name.
*
* @see https://refactoring.guru/design-patterns/strategy
*
* @param string $interface The interface, which the given class implements
* @param string $name The name of the given class, which will be used for factories, dependency injections etc.
* @param string $class The class of the given class
* @param ?array $arguments Additional arguments, which can be passed to the constructor
*
* @return $this This interface for chain-calls
*
* @throws HookRegisterArgumentException in case the given class for the interface isn't valid or already set
*/
public function registerStrategy(string $interface, string $name, string $class, array $arguments = null): self;
/**
* Register a new decorator for a given class or interface
* @see https://refactoring.guru/design-patterns/decorator
*
* @note Decorator attach new behaviors to classes without changing them or without letting them know about it.
*
* @param string $class The class or interface, which gets decorated by a class
* @param string $decoratorClass The class, which mimics the given class or interface and adds new functionality
* @param array $arguments Additional arguments, which can be passed to the constructor of "decoratorClass"
*
* @return $this This interface for chain-calls
*
* @throws HookRegisterArgumentException in case the given class for the class or interface isn't valid
*/
public function registerDecorator(string $class, string $decoratorClass, array $arguments = []): self;
/**
* Returns a new instance of a given class for the corresponding name
*
* The instance will be build based on the registered strategy and the (unique) name
*
* In case, there are registered decorators for this class as well, all decorators of the list will be wrapped
* around the instance before returning it
*
* @param string $class A given class or interface, which will get returned
* @param string $name The name of the concrete class, wich
* @param array $arguments Additional arguments, which can be passed to the constructor of "$class" at runtime
*
* @return object The concrete instance of the type "$class"
*
* @throws HookInstanceException In case the class cannot get created
*/
public function getInstance(string $class, string $name, array $arguments = []): object;
}

30
src/Core/Hooks/Exceptions/HookInstanceException.php Normal file
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<?php
/**
* @copyright Copyright (C) 2010-2023, 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\Hooks\Exceptions;
class HookInstanceException extends \RuntimeException
{
public function __construct($message = "", \Throwable $previous = null)
{
parent::__construct($message, 500, $previous);
}
}

30
src/Core/Hooks/Exceptions/HookRegisterArgumentException.php Normal file
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@ -0,0 +1,30 @@
<?php
/**
* @copyright Copyright (C) 2010-2023, 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\Hooks\Exceptions;
class HookRegisterArgumentException extends \RuntimeException
{
public function __construct($message = "", \Throwable $previous = null)
{
parent::__construct($message, 500, $previous);
}
}

104
src/Core/Hooks/Model/InstanceManager.php Normal file
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@ -0,0 +1,104 @@
<?php
/**
* @copyright Copyright (C) 2010-2023, 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\Hooks\Model;
use Dice\Dice;
use Friendica\Core\Hooks\Capabilities\IAmAStrategy;
use Friendica\Core\Hooks\Capabilities\ICanManageInstances;
use Friendica\Core\Hooks\Exceptions\HookInstanceException;
use Friendica\Core\Hooks\Exceptions\HookRegisterArgumentException;
/** {@inheritDoc} */
class InstanceManager implements ICanManageInstances
{
protected $instance = [];
protected $instanceArguments = [];
protected $decorator = [];
/** @var Dice */
protected $dice;
public function __construct(Dice $dice)
{
$this->dice = $dice;
}
/** {@inheritDoc} */
public function registerStrategy(string $interface, string $name, string $class, array $arguments = null): ICanManageInstances
{
if (!is_a($class, $interface, true)) {
throw new HookRegisterArgumentException(sprintf('%s is not a valid class for the interface %s', $class, $interface));
}
if (!is_a($class, IAmAStrategy::class, true)) {
throw new HookRegisterArgumentException(sprintf('%s does not inherit from the marker interface %s', $class, IAmAStrategy::class));
}
if (!empty($this->instance[$interface][$name])) {
throw new HookRegisterArgumentException(sprintf('A class with the name %s is already set for the interface %s', $name, $interface));
}
$this->instance[$interface][$name] = $class;
$this->instanceArguments[$interface][$name] = $arguments;
return $this;
}
/** {@inheritDoc} */
public function registerDecorator(string $class, string $decoratorClass, array $arguments = []): ICanManageInstances
{
if (!is_a($decoratorClass, $class, true)) {
throw new HookRegisterArgumentException(sprintf('%s is not a valid subsituation for the given class or interface %s', $decoratorClass, $class));
}
$this->decorator[$class][] = [
'class' => $decoratorClass,
'arguments' => $arguments,
];
return $this;
}
/** {@inheritDoc} */
public function getInstance(string $class, string $name, array $arguments = []): object
{
if (empty($this->instance[$class][$name])) {
throw new HookInstanceException(sprintf('The class with the name %s isn\'t registered for the class or interface %s', $name, $class));
}
$instance = $this->dice->create($this->instance[$class][$name], array_merge($this->instanceArguments[$class][$name] ?? [], $arguments));
foreach ($this->decorator[$class] ?? [] as $decorator) {
$this->dice = $this->dice->addRule($class, [
'instanceOf' => $decorator['class'],
'constructParams' => empty($decorator['arguments']) ? null : $decorator['arguments'],
/// @todo maybe support call structures for hooks as well in a later stage - could make factory calls easier
'call' => null,
'substitutions' => [$class => $instance],
]);
$instance = $this->dice->create($class);
}
return $instance;
}
}

32
src/Core/Logger/Exception/LoggerInvalidException.php Normal file
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@ -0,0 +1,32 @@
<?php
/**
* @copyright Copyright (C) 2010-2023, 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\Exception;
use Throwable;
class LoggerInvalidException extends \RuntimeException
{
public function __construct($message = "", Throwable $previous = null)
{
parent::__construct($message, 500, $previous);
}
}

188
src/Core/Logger/Factory/Logger.php
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@ -22,16 +22,11 @@
namespace Friendica\Core\Logger\Factory;
use Friendica\Core\Config\Capability\IManageConfigValues;
use Friendica\Core;
use Friendica\Core\Logger\Capabilities\IHaveCallIntrospections;
use Friendica\Core\Hooks\Capabilities\ICanManageInstances;
use Friendica\Core\Logger\Exception\LogLevelException;
use Friendica\Database\Database;
use Friendica\Network\HTTPException\InternalServerErrorException;
use Friendica\Util\FileSystem;
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;
@ -44,115 +39,55 @@ class Logger
const DEV_CHANNEL = 'dev';
/** @var string The log-channel (app, worker, ...) */
private $channel;
protected $channel;
/** @var ICanManageInstances */
protected $instanceManager;
/** @var IManageConfigValues */
protected $config;
public function __construct(string $channel, bool $includeAddon = true)
public function __construct(string $channel, ICanManageInstances $instanceManager, IManageConfigValues $config, string $logfile = null)
{
$this->channel = $channel;
$this->channel = $channel;
$this->instanceManager = $instanceManager;
$this->config = $config;
/// @fixme clean solution = Making Addon & Hook dynamic and load them inside the constructor, so there's no custom load logic necessary anymore
if ($includeAddon) {
Core\Addon::loadAddons();
Core\Hook::loadHooks();
$this->instanceManager
->registerStrategy(LoggerInterface::class, 'syslog', SyslogLogger::class)
->registerStrategy(LoggerInterface::class, 'stream', StreamLogger::class, isset($logfile) ? [$logfile] : null);
if ($this->config->get('system', 'profiling') ?? false) {
$this->instanceManager->registerDecorator(LoggerInterface::class, ProfilerLogger::class);
}
}
/**
* 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
* @param string|null $loglevel (optional) A given loglevel in case the loglevel in the config isn't applicable
*
* @return LoggerInterface The PSR-3 compliant logger instance
*/
public function create(Database $database, IManageConfigValues $config, Profiler $profiler, FileSystem $fileSystem, IHaveCallIntrospections $introspection, ?string $minLevel = null): LoggerInterface
public function create(string $loglevel = null): LoggerInterface
{
if (empty($config->get('system', 'debugging', false))) {
$logger = new NullLogger();
$database->setLogger($logger);
if (empty($this->config->get('system', 'debugging') ?? false)) {
return new NullLogger();
}
$loglevel = $loglevel ?? static::mapLegacyConfigDebugLevel($this->config->get('system', 'loglevel'));
$name = $this->config->get('system', 'logger_config') ?? 'stream';
try {
/** @var LoggerInterface */
return $this->instanceManager->getInstance(LoggerInterface::class, $name, [$this->channel, $loglevel]);
} catch (LogLevelException $exception) {
// If there's a wrong config value for loglevel, try again with standard
$logger = $this->create(LogLevel::NOTICE);
$logger->warning('Invalid loglevel set in config.', ['loglevel' => $loglevel]);
return $logger;
} catch (\Throwable $e) {
// No logger ...
return new NullLogger();
}
$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, $introspection, 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, $introspection, 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, $introspection, 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;
}
/**
@ -163,63 +98,24 @@ class Logger
*
* 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, IHaveCallIntrospections $introspection)
public function createDev()
{
$debugging = $config->get('system', 'debugging');
$stream = $config->get('system', 'dlogfile');
$developerIp = $config->get('system', 'dlogip');
$debugging = $this->config->get('system', 'debugging');
$stream = $this->config->get('system', 'dlogfile');
$developerIp = $this->config->get('system', 'dlogip');
if ((!isset($developerIp) || !$debugging) &&
(!is_file($stream) || is_writable($stream))) {
return new NullLogger();
}
$name = $config->get('system', 'logger_config', 'stream');
$name = $this->config->get('system', 'logger_config') ?? 'stream';
switch ($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;
/** @var LoggerInterface */
return $this->instanceManager->getInstance(LoggerInterface::class, $name, [self::DEV_CHANNEL, LogLevel::DEBUG, $stream]);
}
/**

12
src/Core/Logger/Type/StreamLogger.php
View file

@ -21,6 +21,8 @@
namespace Friendica\Core\Logger\Type;
use Friendica\Core\Config\Capability\IManageConfigValues;
use Friendica\Core\Hooks\Capabilities\IAmAStrategy;
use Friendica\Core\Logger\Exception\LoggerArgumentException;
use Friendica\Core\Logger\Exception\LoggerException;
use Friendica\Core\Logger\Exception\LogLevelException;
@ -32,7 +34,7 @@ use Psr\Log\LogLevel;
/**
* A Logger instance for logging into a stream (file, stdout, stderr)
*/
class StreamLogger extends AbstractLogger
class StreamLogger extends AbstractLogger implements IAmAStrategy
{
/**
* The minimum loglevel at which this logger will be triggered
@ -80,16 +82,20 @@ class StreamLogger extends AbstractLogger
/**
* {@inheritdoc}
* @param string|resource $stream The stream to write with this logger (either a file or a stream, i.e. stdout)
* @param string $level The minimum loglevel at which this logger will be triggered
*
* @throws LoggerArgumentException
* @throws LogLevelException
*/
public function __construct($channel, $stream, Introspection $introspection, FileSystem $fileSystem, string $level = LogLevel::DEBUG)
public function __construct(string $channel, IManageConfigValues $config, Introspection $introspection, FileSystem $fileSystem, string $level = LogLevel::DEBUG)
{
$this->fileSystem = $fileSystem;
$stream = $this->logfile ?? $config->get('system', 'logfile');
if ((file_exists($stream) && !is_writable($stream)) || is_writable(basename($stream))) {
throw new LoggerArgumentException(sprintf('%s is not a valid logfile', $stream));
}
parent::__construct($channel, $introspection);
if (is_resource($stream)) {

13
src/Core/Logger/Type/SyslogLogger.php
View file

@ -21,6 +21,8 @@
namespace Friendica\Core\Logger\Type;
use Friendica\Core\Config\Capability\IManageConfigValues;
use Friendica\Core\Hooks\Capabilities\IAmAStrategy;
use Friendica\Core\Logger\Exception\LoggerException;
use Friendica\Core\Logger\Exception\LogLevelException;
use Friendica\Core\Logger\Util\Introspection;
@ -30,7 +32,7 @@ use Psr\Log\LogLevel;
* A Logger instance for syslogging (fast, but simple)
* @see http://php.net/manual/en/function.syslog.php
*/
class SyslogLogger extends AbstractLogger
class SyslogLogger extends AbstractLogger implements IAmAStrategy
{
const IDENT = 'Friendica';
@ -100,17 +102,16 @@ class SyslogLogger extends AbstractLogger
/**
* {@inheritdoc}
* @param string $level The minimum loglevel at which this logger will be triggered
* @param int $logOpts Indicates what logging options will be used when generating a log message
* @param int $logFacility Used to specify what type of program is logging the message
*
* @throws LogLevelException
* @throws LoggerException
*/
public function __construct($channel, Introspection $introspection, string $level = LogLevel::NOTICE, int $logOpts = self::DEFAULT_FLAGS, int $logFacility = self::DEFAULT_FACILITY )
public function __construct(string $channel, IManageConfigValues $config, Introspection $introspection, string $level = LogLevel::NOTICE)
{
parent::__construct($channel, $introspection);
$this->logOpts = $logOpts;
$this->logFacility = $logFacility;
$this->logOpts = $config->get('system', 'syslog_flags') ?? static::DEFAULT_FLAGS;
$this->logFacility = $config->get('system', 'syslog_facility') ?? static::DEFAULT_FACILITY;
$this->logLevel = $this->mapLevelToPriority($level);
$this->introspection->addClasses([self::class]);
}