85 lines
2.0 KiB
PHP
Executable File
85 lines
2.0 KiB
PHP
Executable File
<?php
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namespace SimpleSAML\Store;
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use \SimpleSAML_Configuration as Configuration;
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use \SimpleSAML\Store;
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/**
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* A memcache based data store.
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*
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* @package SimpleSAMLphp
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*/
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class Memcache extends Store
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{
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/**
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* This variable contains the session name prefix.
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*
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* @var string
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*/
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private $prefix;
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/**
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* This function implements the constructor for this class. It loads the Memcache configuration.
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*/
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protected function __construct()
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{
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$config = Configuration::getInstance();
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$this->prefix = $config->getString('memcache_store.prefix', 'simpleSAMLphp');
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}
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/**
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* Retrieve a value from the data store.
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*
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* @param string $type The data type.
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* @param string $key The key.
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* @return mixed|null The value.
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*/
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public function get($type, $key)
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{
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assert(is_string($type));
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assert(is_string($key));
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return \SimpleSAML_Memcache::get($this->prefix . '.' . $type . '.' . $key);
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}
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/**
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* Save a value to the data store.
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*
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* @param string $type The data type.
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* @param string $key The key.
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* @param mixed $value The value.
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* @param int|NULL $expire The expiration time (unix timestamp), or NULL if it never expires.
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*/
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public function set($type, $key, $value, $expire = null)
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{
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assert(is_string($type));
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assert(is_string($key));
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assert($expire === null || (is_int($expire) && $expire > 2592000));
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if ($expire === null) {
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$expire = 0;
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}
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\SimpleSAML_Memcache::set($this->prefix . '.' . $type . '.' . $key, $value, $expire);
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}
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/**
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* Delete a value from the data store.
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*
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* @param string $type The data type.
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* @param string $key The key.
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*/
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public function delete($type, $key)
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{
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assert(is_string($type));
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assert(is_string($key));
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\SimpleSAML_Memcache::delete($this->prefix . '.' . $type . '.' . $key);
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}
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}
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