1: <?php
  2: 
  3: /*
  4:  * This file is part of the Symfony package.
  5:  *
  6:  * (c) Fabien Potencier <fabien@symfony.com>
  7:  *
  8:  * For the full copyright and license information, please view the LICENSE
  9:  * file that was distributed with this source code.
 10:  */
 11: 
 12: namespace Symfony\Component\HttpFoundation\Session\Storage\Proxy;
 13: 
 14: /**
 15:  * AbstractProxy.
 16:  *
 17:  * @author Drak <drak@zikula.org>
 18:  */
 19: abstract class AbstractProxy
 20: {
 21:     /**
 22:      * Flag if handler wraps an internal PHP session handler (using \SessionHandler).
 23:      *
 24:      * @var boolean
 25:      */
 26:     protected $wrapper = false;
 27: 
 28:     /**
 29:      * @var boolean
 30:      */
 31:     protected $active = false;
 32: 
 33:     /**
 34:      * @var string
 35:      */
 36:     protected $saveHandlerName;
 37: 
 38:     /**
 39:      * Gets the session.save_handler name.
 40:      *
 41:      * @return string
 42:      */
 43:     public function getSaveHandlerName()
 44:     {
 45:         return $this->saveHandlerName;
 46:     }
 47: 
 48:     /**
 49:      * Is this proxy handler and instance of \SessionHandlerInterface.
 50:      *
 51:      * @return boolean
 52:      */
 53:     public function isSessionHandlerInterface()
 54:     {
 55:         return ($this instanceof \SessionHandlerInterface);
 56:     }
 57: 
 58:     /**
 59:      * Returns true if this handler wraps an internal PHP session save handler using \SessionHandler.
 60:      *
 61:      * @return Boolean
 62:      */
 63:     public function isWrapper()
 64:     {
 65:         return $this->wrapper;
 66:     }
 67: 
 68:     /**
 69:      * Has a session started?
 70:      *
 71:      * @return Boolean
 72:      */
 73:     public function isActive()
 74:     {
 75:         return $this->active;
 76:     }
 77: 
 78:     /**
 79:      * Sets the active flag.
 80:      *
 81:      * @param Boolean $flag
 82:      */
 83:     public function setActive($flag)
 84:     {
 85:         $this->active = (bool) $flag;
 86:     }
 87: 
 88:     /**
 89:      * Gets the session ID.
 90:      *
 91:      * @return string
 92:      */
 93:     public function getId()
 94:     {
 95:         return session_id();
 96:     }
 97: 
 98:     /**
 99:      * Sets the session ID.
100:      *
101:      * @param string $id
102:      *
103:      * @throws \LogicException
104:      */
105:     public function setId($id)
106:     {
107:         if ($this->isActive()) {
108:             throw new \LogicException('Cannot change the ID of an active session');
109:         }
110: 
111:         session_id($id);
112:     }
113: 
114:     /**
115:      * Gets the session name.
116:      *
117:      * @return string
118:      */
119:     public function getName()
120:     {
121:         return session_name();
122:     }
123: 
124:     /**
125:      * Sets the session name.
126:      *
127:      * @param string $name
128:      *
129:      * @throws \LogicException
130:      */
131:     public function setName($name)
132:     {
133:         if ($this->isActive()) {
134:             throw new \LogicException('Cannot change the name of an active session');
135:         }
136: 
137:         session_name($name);
138:     }
139: }
140: