Verzeichnisstruktur phpBB-3.1.0
- Veröffentlicht
- 27.10.2014
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MetadataBag.php
001 <?php
002
003 /*
004 * This file is part of the Symfony package.
005 *
006 * (c) Fabien Potencier <fabien@symfony.com>
007 *
008 * For the full copyright and license information, please view the LICENSE
009 * file that was distributed with this source code.
010 */
011
012 namespace Symfony\Component\HttpFoundation\Session\Storage;
013
014 use Symfony\Component\HttpFoundation\Session\SessionBagInterface;
015
016 /**
017 * Metadata container.
018 *
019 * Adds metadata to the session.
020 *
021 * @author Drak <drak@zikula.org>
022 */
023 class MetadataBag implements SessionBagInterface
024 {
025 const CREATED = 'c';
026 const UPDATED = 'u';
027 const LIFETIME = 'l';
028
029 /**
030 * @var string
031 */
032 private $name = '__metadata';
033
034 /**
035 * @var string
036 */
037 private $storageKey;
038
039 /**
040 * @var array
041 */
042 protected $meta = array();
043
044 /**
045 * Unix timestamp.
046 *
047 * @var int
048 */
049 private $lastUsed;
050
051 /**
052 * Constructor.
053 *
054 * @param string $storageKey The key used to store bag in the session.
055 */
056 public function __construct($storageKey = '_sf2_meta')
057 {
058 $this->storageKey = $storageKey;
059 $this->meta = array(self::CREATED => 0, self::UPDATED => 0, self::LIFETIME => 0);
060 }
061
062 /**
063 * {@inheritdoc}
064 */
065 public function initialize(array &$array)
066 {
067 $this->meta = &$array;
068
069 if (isset($array[self::CREATED])) {
070 $this->lastUsed = $this->meta[self::UPDATED];
071 $this->meta[self::UPDATED] = time();
072 } else {
073 $this->stampCreated();
074 }
075 }
076
077 /**
078 * Gets the lifetime that the session cookie was set with.
079 *
080 * @return int
081 */
082 public function getLifetime()
083 {
084 return $this->meta[self::LIFETIME];
085 }
086
087 /**
088 * Stamps a new session's metadata.
089 *
090 * @param int $lifetime Sets the cookie lifetime for the session cookie. A null value
091 * will leave the system settings unchanged, 0 sets the cookie
092 * to expire with browser session. Time is in seconds, and is
093 * not a Unix timestamp.
094 */
095 public function stampNew($lifetime = null)
096 {
097 $this->stampCreated($lifetime);
098 }
099
100 /**
101 * {@inheritdoc}
102 */
103 public function getStorageKey()
104 {
105 return $this->storageKey;
106 }
107
108 /**
109 * Gets the created timestamp metadata.
110 *
111 * @return int Unix timestamp
112 */
113 public function getCreated()
114 {
115 return $this->meta[self::CREATED];
116 }
117
118 /**
119 * Gets the last used metadata.
120 *
121 * @return int Unix timestamp
122 */
123 public function getLastUsed()
124 {
125 return $this->lastUsed;
126 }
127
128 /**
129 * {@inheritdoc}
130 */
131 public function clear()
132 {
133 // nothing to do
134 }
135
136 /**
137 * {@inheritdoc}
138 */
139 public function getName()
140 {
141 return $this->name;
142 }
143
144 /**
145 * Sets name.
146 *
147 * @param string $name
148 */
149 public function setName($name)
150 {
151 $this->name = $name;
152 }
153
154 private function stampCreated($lifetime = null)
155 {
156 $timeStamp = time();
157 $this->meta[self::CREATED] = $this->meta[self::UPDATED] = $this->lastUsed = $timeStamp;
158 $this->meta[self::LIFETIME] = (null === $lifetime) ? ini_get('session.cookie_lifetime') : $lifetime;
159 }
160 }
161