<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\Framework\Session\SaveHandler\Redis;

use Magento\Framework\App\Config\ScopeConfigInterface;
use Magento\Framework\App\DeploymentConfig;
use Magento\Framework\App\State;
use Magento\Store\Model\ScopeInterface as StoreScopeInterface;

/**
* Redis session save handler
*/
class Config implements \Cm\RedisSession\Handler\ConfigInterface
{
/**
* Configuration path for log level
*/
const PARAM_LOG_LEVEL = 'session/redis/log_level';

/**
* Configuration path for host
*/
const PARAM_HOST = 'session/redis/host';

/**
* Configuration path for port
*/
const PARAM_PORT = 'session/redis/port';

/**
* Configuration path for database
*/
const PARAM_DATABASE = 'session/redis/database';

/**
* Configuration path for password
*/
const PARAM_PASSWORD = 'session/redis/password';

/**
* Configuration path for connection timeout
*/
const PARAM_TIMEOUT = 'session/redis/timeout';

/**
* Configuration path for persistent identifier
*/
const PARAM_PERSISTENT_IDENTIFIER = 'session/redis/persistent_identifier';

/**
* Configuration path for compression threshold
*/
const PARAM_COMPRESSION_THRESHOLD = 'session/redis/compression_threshold';

/**
* Configuration path for compression library
*/
const PARAM_COMPRESSION_LIBRARY = 'session/redis/compression_library';

/**
* Configuration path for maximum number of processes that can wait for a lock on one session
*/
const PARAM_MAX_CONCURRENCY = 'session/redis/max_concurrency';

/**
* Configuration path for minimum session lifetime
*/
const PARAM_MAX_LIFETIME = 'session/redis/max_lifetime';

/**
* Configuration path for min
*/
const PARAM_MIN_LIFETIME = 'session/redis/min_lifetime';

/**
* Configuration path for disabling session locking entirely flag
*/
const PARAM_DISABLE_LOCKING = 'session/redis/disable_locking';

/**
* Configuration path for lifetime of session for bots on subsequent writes
*/
const PARAM_BOT_LIFETIME = 'session/redis/bot_lifetime';

/**
* Configuration path for lifetime of session for bots on the first write
*/
const PARAM_BOT_FIRST_LIFETIME = 'session/redis/bot_first_lifetime';

/**
* Configuration path for lifetime of session for non-bots on the first write
*/
const PARAM_FIRST_LIFETIME = 'session/redis/first_lifetime';

/**
* Configuration path for number of seconds to wait before trying to break the lock
*/
const PARAM_BREAK_AFTER = 'session/redis/break_after';

/**
* Configuration path for comma separated list of sentinel servers
*/
const PARAM_SENTINEL_SERVERS = 'session/redis/sentinel_servers';

/**
* Configuration path for sentinel master
*/
const PARAM_SENTINEL_MASTER = 'session/redis/sentinel_master';

/**
* Configuration path for verify sentinel master flag
*/
const PARAM_SENTINEL_VERIFY_MASTER = 'session/redis/sentinel_verify_master';

/**
* Configuration path for number of sentinel connection retries
*/
const PARAM_SENTINEL_CONNECT_RETRIES = 'session/redis/sentinel_connect_retries';

/**
* Cookie lifetime config path
*/
const XML_PATH_COOKIE_LIFETIME = 'web/cookie/cookie_lifetime';

/**
* Admin session lifetime config path
*/
const XML_PATH_ADMIN_SESSION_LIFETIME = 'admin/security/session_lifetime';

/**
* Session max lifetime
*/
const SESSION_MAX_LIFETIME = 31536000;

/**
* Try to break lock for at most this many seconds
*/
const DEFAULT_FAIL_AFTER = 15;

/**
* Deployment config
*
* @var DeploymentConfig
*/
private $deploymentConfig;

/**
* @var ScopeConfigInterface
*/
private $scopeConfig;

/**
* @var State
*/
private $appState;

/**
* @param DeploymentConfig $deploymentConfig
* @param State $appState
* @param ScopeConfigInterface $scopeConfig
*/
public function __construct(
DeploymentConfig $deploymentConfig,
State $appState,
ScopeConfigInterface $scopeConfig
) {
$this->deploymentConfig = $deploymentConfig;
$this->appState = $appState;
$this->scopeConfig = $scopeConfig;
}

/**
* @inheritdoc
*/
public function getLogLevel()
{
return $this->deploymentConfig->get(self::PARAM_LOG_LEVEL);
}

/**
* @inheritdoc
*/
public function getHost()
{
return $this->deploymentConfig->get(self::PARAM_HOST);
}

/**
* @inheritdoc
*/
public function getPort()
{
return $this->deploymentConfig->get(self::PARAM_PORT);
}

/**
* @inheritdoc
*/
public function getDatabase()
{
return $this->deploymentConfig->get(self::PARAM_DATABASE);
}

/**
* @inheritdoc
*/
public function getPassword()
{
return $this->deploymentConfig->get(self::PARAM_PASSWORD);
}

/**
* @inheritdoc
*/
public function getTimeout()
{
return $this->deploymentConfig->get(self::PARAM_TIMEOUT);
}

/**
* @inheritdoc
*/
public function getPersistentIdentifier()
{
return $this->deploymentConfig->get(self::PARAM_PERSISTENT_IDENTIFIER);
}

/**
* @inheritdoc
*/
public function getCompressionThreshold()
{
return $this->deploymentConfig->get(self::PARAM_COMPRESSION_THRESHOLD);
}

/**
* @inheritdoc
*/
public function getCompressionLibrary()
{
return $this->deploymentConfig->get(self::PARAM_COMPRESSION_LIBRARY);
}

/**
* @inheritdoc
*/
public function getMaxConcurrency()
{
return $this->deploymentConfig->get(self::PARAM_MAX_CONCURRENCY);
}

/**
* @inheritdoc
*/
public function getMaxLifetime()
{
return self::SESSION_MAX_LIFETIME;
}

/**
* @inheritdoc
*/
public function getMinLifetime()
{
return $this->deploymentConfig->get(self::PARAM_MIN_LIFETIME);
}

/**
* @inheritdoc
*/
public function getDisableLocking()
{
return $this->deploymentConfig->get(self::PARAM_DISABLE_LOCKING);
}

/**
* @inheritdoc
*/
public function getBotLifetime()
{
return $this->deploymentConfig->get(self::PARAM_BOT_LIFETIME);
}

/**
* @inheritdoc
*/
public function getBotFirstLifetime()
{
return $this->deploymentConfig->get(self::PARAM_BOT_FIRST_LIFETIME);
}

/**
* @inheritdoc
*/
public function getFirstLifetime()
{
return $this->deploymentConfig->get(self::PARAM_FIRST_LIFETIME);
}

/**
* @inheritdoc
*/
public function getBreakAfter()
{
return $this->deploymentConfig->get(self::PARAM_BREAK_AFTER . '_' . $this->appState->getAreaCode());
}

/**
* @inheritdoc
*/
public function getLifetime()
{
if ($this->appState->getAreaCode() == \Magento\Framework\App\Area::AREA_ADMINHTML) {
return (int)$this->scopeConfig->getValue(self::XML_PATH_ADMIN_SESSION_LIFETIME);
}
return (int)$this->scopeConfig->getValue(self::XML_PATH_COOKIE_LIFETIME, StoreScopeInterface::SCOPE_STORE);
}

/**
* @inheritdoc
*/
public function getSentinelServers()
{
return $this->deploymentConfig->get(self::PARAM_SENTINEL_SERVERS);
}

/**
* @inheritdoc
*/
public function getSentinelMaster()
{
return $this->deploymentConfig->get(self::PARAM_SENTINEL_MASTER);
}

/**
* @inheritdoc
*/
public function getSentinelVerifyMaster()
{
return $this->deploymentConfig->get(self::PARAM_SENTINEL_VERIFY_MASTER);
}

/**
* @inheritdoc
*/
public function getSentinelConnectRetries()
{
return $this->deploymentConfig->get(self::PARAM_SENTINEL_CONNECT_RETRIES);
}

/**
* @inheritdoc
*/
public function getFailAfter()
{
return self::DEFAULT_FAIL_AFTER;
}
}