Members/shoshi/webvirt: cake/libs/cache/xcache.php annotate

author	Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp>
date	Sun, 24 Jul 2011 21:08:31 +0900
parents
children

rev	line source
0 261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	1 <?php
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	2 /**
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	3 * Xcache storage engine for cache.
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	4 *
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	5 * PHP versions 4 and 5
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	6 *
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	7 * CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	8 * Copyright 2005-2010, Cake Software Foundation, Inc. (http://cakefoundation.org)
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	9 *
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	10 * Licensed under The MIT License
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	11 * Redistributions of files must retain the above copyright notice.
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	12 *
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	13 * @copyright Copyright 2005-2010, Cake Software Foundation, Inc. (http://cakefoundation.org)
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	14 * @link http://cakephp.org CakePHP(tm) Project
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	15 * @package cake
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	16 * @subpackage cake.cake.libs.cache
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	17 * @since CakePHP(tm) v 1.2.0.4947
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	18 * @license MIT License (http://www.opensource.org/licenses/mit-license.php)
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	19 */
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	20
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	21 /**
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	22 * Xcache storage engine for cache
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	23 *
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	24 * @link http://trac.lighttpd.net/xcache/ Xcache
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	25 * @package cake
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	26 * @subpackage cake.cake.libs.cache
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	27 */
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	28 class XcacheEngine extends CacheEngine {
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	29
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	30 /**
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	31 * Settings
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	32 *
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	33 * - PHP_AUTH_USER = xcache.admin.user, default cake
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	34 * - PHP_AUTH_PW = xcache.admin.password, default cake
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	35 *
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	36 * @var array
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	37 * @access public
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	38 */
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	39 var $settings = array();
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	40
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	41 /**
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	42 * Initialize the Cache Engine
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	43 *
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	44 * Called automatically by the cache frontend
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	45 * To reinitialize the settings call Cache::engine('EngineName', [optional] settings = array());
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	46 *
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	47 * @param array $setting array of setting for the engine
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	48 * @return boolean True if the engine has been successfully initialized, false if not
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	49 * @access public
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	50 */
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	51 function init($settings) {
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	52 parent::init(array_merge(array(
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	53 'engine' => 'Xcache', 'prefix' => Inflector::slug(APP_DIR) . '_', 'PHP_AUTH_USER' => 'user', 'PHP_AUTH_PW' => 'password'
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	54 ), $settings)
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	55 );
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	56 return function_exists('xcache_info');
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	57 }
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	58
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	59 /**
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	60 * Write data for key into cache
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	61 *
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	62 * @param string $key Identifier for the data
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	63 * @param mixed $value Data to be cached
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	64 * @param integer $duration How long to cache the data, in seconds
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	65 * @return boolean True if the data was succesfully cached, false on failure
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	66 * @access public
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	67 */
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	68 function write($key, &$value, $duration) {
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	69 $expires = time() + $duration;
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	70 xcache_set($key . '_expires', $expires, $duration);
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	71 return xcache_set($key, $value, $duration);
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	72 }
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	73
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	74 /**
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	75 * Read a key from the cache
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	76 *
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	77 * @param string $key Identifier for the data
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	78 * @return mixed The cached data, or false if the data doesn't exist, has expired, or if there was an error fetching it
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	79 * @access public
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	80 */
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	81 function read($key) {
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	82 if (xcache_isset($key)) {
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	83 $time = time();
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	84 $cachetime = intval(xcache_get($key . '_expires'));
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	85 if ($cachetime < $time \|\| ($time + $this->settings['duration']) < $cachetime) {
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	86 return false;
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	87 }
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	88 return xcache_get($key);
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	89 }
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	90 return false;
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	91 }
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	92
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	93 /**
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	94 * Increments the value of an integer cached key
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	95 * If the cache key is not an integer it will be treated as 0
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	96 *
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	97 * @param string $key Identifier for the data
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	98 * @param integer $offset How much to increment
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	99 * @param integer $duration How long to cache the data, in seconds
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	100 * @return New incremented value, false otherwise
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	101 * @access public
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	102 */
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	103 function increment($key, $offset = 1) {
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	104 return xcache_inc($key, $offset);
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	105 }
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	106
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	107 /**
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	108 * Decrements the value of an integer cached key.
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	109 * If the cache key is not an integer it will be treated as 0
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	110 *
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	111 * @param string $key Identifier for the data
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	112 * @param integer $offset How much to substract
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	113 * @param integer $duration How long to cache the data, in seconds
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	114 * @return New decremented value, false otherwise
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	115 * @access public
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	116 */
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	117 function decrement($key, $offset = 1) {
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	118 return xcache_dec($key, $offset);
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	119 }
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	120 /**
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	121 * Delete a key from the cache
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	122 *
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	123 * @param string $key Identifier for the data
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	124 * @return boolean True if the value was succesfully deleted, false if it didn't exist or couldn't be removed
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	125 * @access public
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	126 */
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	127 function delete($key) {
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	128 return xcache_unset($key);
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	129 }
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	130
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	131 /**
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	132 * Delete all keys from the cache
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	133 *
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	134 * @return boolean True if the cache was succesfully cleared, false otherwise
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	135 * @access public
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	136 */
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	137 function clear() {
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	138 $this->__auth();
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	139 $max = xcache_count(XC_TYPE_VAR);
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	140 for ($i = 0; $i < $max; $i++) {
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	141 xcache_clear_cache(XC_TYPE_VAR, $i);
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	142 }
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	143 $this->__auth(true);
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	144 return true;
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	145 }
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	146
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	147 /**
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	148 * Populates and reverses $_SERVER authentication values
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	149 * Makes necessary changes (and reverting them back) in $_SERVER
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	150 *
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	151 * This has to be done because xcache_clear_cache() needs to pass Basic Http Auth
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	152 * (see xcache.admin configuration settings)
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	153 *
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	154 * @param boolean Revert changes
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	155 * @access private
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	156 */
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	157 function __auth($reverse = false) {
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	158 static $backup = array();
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	159 $keys = array('PHP_AUTH_USER' => 'user', 'PHP_AUTH_PW' => 'password');
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	160 foreach ($keys as $key => $setting) {
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	161 if ($reverse) {
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	162 if (isset($backup[$key])) {
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	163 $_SERVER[$key] = $backup[$key];
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	164 unset($backup[$key]);
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	165 } else {
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	166 unset($_SERVER[$key]);
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	167 }
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	168 } else {
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	169 $value = env($key);
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	170 if (!empty($value)) {
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	171 $backup[$key] = $value;
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	172 }
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	173 if (!empty($this->settings[$setting])) {
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	174 $_SERVER[$key] = $this->settings[$setting];
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	175 } else if (!empty($this->settings[$key])) {
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	176 $_SERVER[$key] = $this->settings[$key];
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	177 } else {
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	178 $_SERVER[$key] = $value;
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	179 }
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	180 }
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	181 }
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	182 }
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	183 }

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261e66bd5a0c hg init