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<?php |
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namespace suda\framework\session; |
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use Exception; |
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use suda\framework\Request; |
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use suda\framework\Session; |
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use suda\framework\Response; |
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use suda\framework\filesystem\FileSystem; |
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/** |
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* PHP Session |
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*/ |
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class PHPSession implements Session |
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{ |
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/** |
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* 会话ID |
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* |
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* @var string |
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*/ |
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protected $id; |
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/** |
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* Session对象配置 |
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* |
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* @var array |
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*/ |
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protected $config; |
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/** |
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* 请求 |
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* |
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* @var Request |
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*/ |
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protected $request; |
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/** |
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* @var Response |
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*/ |
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protected $response; |
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/** |
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* 创建Session |
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* |
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* @param Request $request 请求 |
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* @param Response $response 响应 |
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* @param array $config 配置属性 |
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* @throws Exception |
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*/ |
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public function __construct(Request $request, Response $response, array $config = []) |
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{ |
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$this->config = $config; |
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$this->request = $request; |
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$this->response = $response; |
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$response->getContext()->getEvent()->register('response::before-send', [$this, 'write']); |
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if (session_status() === PHP_SESSION_NONE) { |
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$this->init($request, $config); |
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} else { |
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$this->update(); |
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} |
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} |
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/** |
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* @param Request $request |
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* @param array $config |
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* @throws Exception |
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*/ |
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protected function init(Request $request, array $config) |
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{ |
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if (array_key_exists('path', $config)) { |
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$path = $config['path']; |
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} elseif (defined('SUDA_DATA')) { |
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$path = constant('SUDA_DATA').'/session'; |
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} else { |
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throw new Exception('php session save path missing'); |
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} |
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$name = $config['name'] ?? 'php_session'; |
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FileSystem::make($path); |
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if (is_string($id = $request->getCookie($name))) { |
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session_id($id); |
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} else { |
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$id = md5($path.$request->getRemoteAddr().uniqid()); |
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session_id($id); |
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} |
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session_save_path($path); |
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session_name($name); |
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session_cache_limiter($config['limiter'] ?? 'private'); |
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session_cache_expire($config['expire'] ?? 0); |
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session_start(); |
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$this->id = $id; |
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} |
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/** |
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* 设置Session |
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* |
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* @param string $name |
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* @param mixed $value |
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* @return bool |
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*/ |
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public function set(string $name, $value):bool |
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{ |
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$_SESSION[$name] = $value; |
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return $this->has($name); |
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} |
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/** |
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* 获取Session |
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* |
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* @param string $name |
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* @param mixed $default |
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* @return mixed |
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*/ |
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public function get(string $name = null, $default = null) |
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{ |
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if ($name !== null) { |
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return $this->has($name) ?$_SESSION[$name]:$default; |
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} else { |
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return $_SESSION; |
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} |
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} |
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/** |
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* 删除一个或者全部Session数据 |
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* |
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* @param string|null $name |
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* @return bool |
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*/ |
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public function delete(?string $name = null):bool |
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{ |
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if (null === $name) { |
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session_unset(); |
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} else { |
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unset($_SESSION[$name]); |
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} |
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return true; |
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} |
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/** |
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* 检测是否存在Session |
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* |
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* @param string $name |
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* @return boolean |
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*/ |
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public function has(string $name):bool |
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{ |
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return array_key_exists($name, $_SESSION); |
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} |
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/** |
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* 获取Session唯一ID |
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* |
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* @return string |
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*/ |
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public function id():string |
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{ |
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return $this->id; |
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} |
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/** |
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160
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* 销毁Session |
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* |
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* @return boolean |
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*/ |
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public function destroy():bool |
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{ |
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session_unset(); |
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session_destroy(); |
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return true; |
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} |
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/** |
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* 更新SessionId |
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* |
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* @return boolean |
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* @throws Exception |
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*/ |
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public function update():bool |
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{ |
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$this->destroy(); |
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$this->init($this->request, $this->config); |
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return true; |
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} |
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/** |
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* 写入Session到响应 |
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*/ |
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public function write() |
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{ |
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if (session_status() !== PHP_SESSION_NONE) { |
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session_write_close(); |
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} |
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} |
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} |
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dxkite /
suda
