moparisthebest/user_sql
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owncloud 8.1 compatibility. Removed \OC\Cache

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Removed usage of \OC\Cache from user_sql.php. Implemented the new memcache
with a $_SESSION based fallback.
This commit is contained in:
Dominik Grothaus 2015-07-27 09:06:53 +02:00
parent 032c2b5bd2
commit b3a9860c95
1 changed files with 56 additions and 3 deletions
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59
user_sql.php
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@ -52,11 +52,16 @@ class OC_USER_SQL extends OC_User_Backend implements OC_User_Interface
protected $domain_array;
protected $map_array;
protected $allow_password_change;
protected $session_cache_name;
public function __construct()
{
$this -> db_conn = false;
$this -> cache = \OC\Cache::getGlobalCache();
$memcache = \OC::$server->getMemCacheFactory();
if ( $memcache -> isAvailable())
{
$this -> cache = $memcache -> create();
}
$this -> sql_host = OCP\Config::getAppValue('user_sql', 'sql_host', '');
$this -> sql_username = OCP\Config::getAppValue('user_sql', 'sql_user', '');
$this -> sql_database = OCP\Config::getAppValue('user_sql', 'sql_database', '');
@ -77,6 +82,7 @@ class OC_USER_SQL extends OC_User_Backend implements OC_User_Interface
$this -> domain_array = explode(",", OCP\Config::getAppValue('user_sql', 'domain_array', ''));
$this -> map_array = explode(",", OCP\Config::getAppValue('user_sql', 'map_array', ''));
$this -> mail_sync_mode = OCP\Config::getAppValue('user_sql', 'mail_sync_mode', 'none');
$this -> session_cache_name = 'USER_SQL_CACHE';
$dsn = $this -> sql_type . ":host=" . $this -> sql_host . ";dbname=" . $this -> sql_database;
try
{
@ -441,7 +447,7 @@ class OC_USER_SQL extends OC_User_Backend implements OC_User_Interface
{
$cacheKey = 'sql_user_exists_' . $uid;
$cacheVal = $this -> cache -> get($cacheKey);
$cacheVal = $this -> getCache ($cacheKey);
if(!is_null($cacheVal))
return (bool)$cacheVal;
@ -467,7 +473,7 @@ class OC_USER_SQL extends OC_User_Backend implements OC_User_Interface
OC_Log::write('OC_USER_SQL', "Fetching results...", OC_Log::DEBUG);
$exists = (bool)$result -> fetch();
$this -> cache -> set($cacheKey, $exists, 60);
$this -> setCache ($cacheKey, $exists, 60);
if(!$exists)
{
@ -776,5 +782,52 @@ class OC_USER_SQL extends OC_User_Backend implements OC_User_Interface
return $ret;
}
/**
* Store a value in memcache or the session, if no memcache is available
* @param string $key
* @param mixed $value
* @param int $ttl (optional) defaults to 3600 seconds.
*/
private function setCache($key,$value,$ttl=3600)
{
if ($this -> cache === NULL)
{
$_SESSION[$this -> session_cache_name][$key] = array(
'value' => $value,
'time' => time(),
'ttl' => $ttl,
);
} else
{
$this -> cache -> set($key,$value,$ttl);
}
}
/**
* Fetch a value from memcache or session, if memcache is not available.
* Returns NULL if there's no value stored or the value expired.
* @param string $key
* @return mixed|NULL
*/
private function getCache($key)
{
$retVal = NULL;
if ($this -> cache === NULL)
{
if (isset($_SESSION[$this -> session_cache_name],$_SESSION[$this -> session_cache_name][$key]))
{
$value = $_SESSION[$this -> session_cache_name][$key];
if (time() < $value['time'] + $value['ttl'])
{
$retVal = $value['value'];
}
}
} else
{
$retVal = $this -> cache -> get ($key);
}
return $retVal;
}
}
?>