68 lines
1.7 KiB
PHP
68 lines
1.7 KiB
PHP
<?php
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// {{{ICINGA_LICENSE_HEADER}}}
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// {{{ICINGA_LICENSE_HEADER}}}
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namespace Icinga\Web;
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use Icinga\Web\Session;
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class Window
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{
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const UNDEFINED = 'undefined';
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protected $id;
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public function __construct($id)
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{
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$this->id = $id;
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}
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public function isUndefined()
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{
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return $this->id === self::UNDEFINED;
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}
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public function getId()
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{
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return $this->id;
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}
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/**
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* Return a window-aware session by using the given prefix
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*
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* @param string $prefix The prefix to use
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* @param bool $reset Whether to reset any existing session-data
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*
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* @return SessionNamespace
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*/
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public function getSessionNamespace($prefix, $reset = false)
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{
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$session = Session::getSession();
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$identifier = $prefix . '_' . $this->id;
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if ($reset && $session->hasNamespace($identifier)) {
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$session->removeNamespace($identifier);
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}
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$namespace = $session->getNamespace($identifier);
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$nsUndef = $prefix . '_' . self::UNDEFINED;
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if (!$reset && $this->id !== self::UNDEFINED && $session->hasNamespace($nsUndef)) {
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// We do not have any window-id on the very first request. Now we add
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// all values from the namespace, that has been created in this case,
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// to the new one and remove it afterwards.
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foreach ($session->getNamespace($nsUndef) as $name => $value) {
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$namespace->set($name, $value);
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}
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$session->removeNamespace($nsUndef);
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}
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return $namespace;
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}
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public static function generateId()
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{
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$letters = 'abcefghijklmnopqrstuvwxyz';
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return substr(str_shuffle($letters), 0, 12);
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}
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}
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