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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 12:39:39 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 12:39:39 +0000 |
commit | 8ca6cc32b2c789a3149861159ad258f2cb9491e3 (patch) | |
tree | 2492de6f1528dd44eaa169a5c1555026d9cb75ec /library/Icinga/Web/Window.php | |
parent | Initial commit. (diff) | |
download | icingaweb2-a598b28402ead15d3701df32e198513e7b1f299c.tar.xz icingaweb2-a598b28402ead15d3701df32e198513e7b1f299c.zip |
Adding upstream version 2.11.4.upstream/2.11.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | library/Icinga/Web/Window.php | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/library/Icinga/Web/Window.php b/library/Icinga/Web/Window.php new file mode 100644 index 0000000..158483a --- /dev/null +++ b/library/Icinga/Web/Window.php @@ -0,0 +1,125 @@ +<?php +/* Icinga Web 2 | (c) 2014 Icinga Development Team | GPLv2+ */ + +namespace Icinga\Web; + +use Icinga\Application\Icinga; +use Icinga\Web\Session\SessionNamespace; + +class Window +{ + const UNDEFINED = 'undefined'; + + /** @var Window */ + protected static $window; + + /** @var string */ + protected $id; + + /** @var string */ + protected $containerId; + + public function __construct($id) + { + $parts = explode('_', $id, 2); + if (isset($parts[1])) { + $this->id = $parts[0]; + $this->containerId = $id; + } else { + $this->id = $id; + } + } + + /** + * Get whether the window's ID is undefined + * + * @return bool + */ + public function isUndefined() + { + return $this->id === self::UNDEFINED; + } + + /** + * Get the window's ID + * + * @return string + */ + public function getId() + { + return $this->id; + } + + /** + * Get the container's ID + * + * @return string + */ + public function getContainerId() + { + return $this->containerId ?: $this->id; + } + + /** + * Return a window-aware session by using the given prefix + * + * @param string $prefix The prefix to use + * @param bool $reset Whether to reset any existing session-data + * + * @return SessionNamespace + */ + public function getSessionNamespace($prefix, $reset = false) + { + $session = Session::getSession(); + + $identifier = $prefix . '_' . $this->getId(); + if ($reset && $session->hasNamespace($identifier)) { + $session->removeNamespace($identifier); + } + + $namespace = $session->getNamespace($identifier); + $nsUndef = $prefix . '_' . self::UNDEFINED; + + if (! $reset && ! $this->isUndefined() && $session->hasNamespace($nsUndef)) { + // We may not have any window-id on the very first request. Now we add + // all values from the namespace, that has been created in this case, + // to the new one and remove it afterwards. + foreach ($session->getNamespace($nsUndef) as $name => $value) { + $namespace->set($name, $value); + } + + $session->removeNamespace($nsUndef); + } + + return $namespace; + } + + /** + * Generate a random string + * + * @return string + */ + public static function generateId() + { + $letters = 'abcefghijklmnopqrstuvwxyz'; + return substr(str_shuffle($letters), 0, 12); + } + + /** + * @return Window + */ + public static function getInstance() + { + if (! isset(static::$window)) { + $id = Icinga::app()->getRequest()->getHeader('X-Icinga-WindowId'); + if (empty($id) || $id === static::UNDEFINED) { + Icinga::app()->getResponse()->setOverrideWindowId(); + $id = static::generateId(); + } + + static::$window = new Window($id); + } + + return static::$window; + } +} |