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<?php |
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// +---------------------------------------------------------------------- |
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// | ThinkPHP [ WE CAN DO IT JUST THINK ] |
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// +---------------------------------------------------------------------- |
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// | Copyright (c) 2006~2019 http://thinkphp.cn All rights reserved. |
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// +---------------------------------------------------------------------- |
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// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 ) |
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// +---------------------------------------------------------------------- |
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// | Author: liu21st <[email protected]> |
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// +---------------------------------------------------------------------- |
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declare (strict_types = 1); |
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namespace think\session\driver; |
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use think\Exception; |
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use think\session\SessionHandler; |
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class Redis implements SessionHandler |
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{ |
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/** @var \Redis */ |
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protected $handler = null; |
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protected $config = [ |
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'host' => '127.0.0.1', // redis主机 |
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'port' => 6379, // redis端口 |
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'password' => '', // 密码 |
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'select' => 0, // 操作库 |
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'expire' => 3600, // 有效期(秒) |
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'timeout' => 0, // 超时时间(秒) |
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'persistent' => true, // 是否长连接 |
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'name' => '', // session key前缀 |
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]; |
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public function __construct(array $config = []) |
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{ |
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$this->config = array_merge($this->config, $config); |
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$this->init(); |
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} |
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/** |
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* 打开Session |
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* @access public |
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* @return bool |
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* @throws Exception |
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*/ |
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public function init(): bool |
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{ |
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if (extension_loaded('redis')) { |
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$this->handler = new \Redis; |
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// 建立连接 |
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$func = $this->config['persistent'] ? 'pconnect' : 'connect'; |
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$this->handler->$func($this->config['host'], $this->config['port'], $this->config['timeout']); |
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if ('' != $this->config['password']) { |
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$this->handler->auth($this->config['password']); |
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} |
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if (0 != $this->config['select']) { |
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$this->handler->select($this->config['select']); |
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} |
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} elseif (class_exists('\Predis\Client')) { |
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$params = []; |
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foreach ($this->config as $key => $val) { |
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if (in_array($key, ['aggregate', 'cluster', 'connections', 'exceptions', 'prefix', 'profile', 'replication'])) { |
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$params[$key] = $val; |
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unset($this->config[$key]); |
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} |
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} |
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$this->handler = new \Predis\Client($this->config, $params); |
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} else { |
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throw new \BadFunctionCallException('not support: redis'); |
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} |
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return true; |
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} |
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/** |
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* 读取Session |
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* @access public |
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* @param string $sessID |
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* @return string |
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*/ |
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public function read(string $sessID): array |
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{ |
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return $this->handler->get($this->config['prefix'] . $sessID); |
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} |
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/** |
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* 写入Session |
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* @access public |
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* @param string $sessID |
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* @param array $data |
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* @return bool |
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*/ |
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public function write(string $sessID, array $data): bool |
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{ |
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if ($this->config['expire'] > 0) { |
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$result = $this->handler->setex($this->config['prefix'] . $sessID, $this->config['expire'], $data); |
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} else { |
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$result = $this->handler->set($this->config['prefix'] . $sessID, $data); |
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} |
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return $result ? true : false; |
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} |
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/** |
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* 删除Session |
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* @access public |
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* @param string $sessID |
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* @return bool |
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*/ |
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public function delete(string $sessID): bool |
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{ |
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return $this->handler->delete($this->config['prefix'] . $sessID) > 0; |
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} |
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} |
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