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add class SessionMgr, different session update

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add SeedDMS_Session::getLastUpdate(), SeedDMS_Session::load() doesn't
update last access anymore
new Session manager not ready yet
This commit is contained in:
Uwe Steinmann 2014-05-22 06:35:12 +02:00
parent 71fb34cbca
commit 878ab2fd9a
1 changed files with 118 additions and 3 deletions
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121
inc/inc.ClassSession.php
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@ -73,9 +73,6 @@ class SeedDMS_Session {
return false;
if (count($resArr) == 0)
return false;
$queryStr = "UPDATE tblSessions SET lastAccess = " . time() . " WHERE id = " . $this->db->qstr($id);
if (!$this->db->getResult($queryStr))
return false;
$this->id = $id;
$this->data = array('userid'=>$resArr[0]['userID'], 'theme'=>$resArr[0]['theme'], 'lang'=>$resArr[0]['language'], 'id'=>$resArr[0]['id'], 'lastaccess'=>$resArr[0]['lastAccess'], 'su'=>$resArr[0]['su']);
if($resArr[0]['clipboard'])
@ -116,6 +113,25 @@ class SeedDMS_Session {
return $id;
} /* }}} */
/**
* Update last access time of session
*
* This function should be called, when the last access time of the
* session must be updated. This should be done at least after login,
* but can also be done at any other time. Sessions that are never
* updated will be deleted when deleteByTime() is called and the session
* life time has exceeded the cookie life time or 1 week.
*
* @param string $id id of session
* @return boolean true if successful otherwise false
*/
function updateAccess($id) { /* {{{ */
$queryStr = "UPDATE tblSessions SET lastAccess = " . time() . " WHERE id = " . $this->db->qstr($id);
if (!$this->db->getResult($queryStr))
return false;
return true;
} /* }}} */
/**
* Delete sessions older than a given time from the database
*
@ -361,5 +377,104 @@ class SeedDMS_Session {
return (array) $this->data['splashmsg'];
} /* }}} */
/**
* Get timestamp of last access
*
* @return int last access time
*/
function getLastAccess() { /* {{{ */
return (int) $this->data['lastaccess'];
} /* }}} */
}
/**
* Class for managing sessions
*
* This class is for retrieving sessions.
*
* @category DMS
* @package SeedDMS
* @author Uwe Steinmann <uwe@steinmann.cx>
* @copyright 2014 Uwe Steinmann
* @version Release: @package_version@
*/
class SeedDMS_SessionMgr {
/**
* @var object $db reference to database object. This must be an instance
* of {@link SeedDMS_Core_DatabaseAccess}.
* @access protected
*/
protected $db;
/**
* Create a new instance of the session manager
*
* @param object $db object to access the underlying database
* @return object instance of SeedDMS_SessionMgr
*/
function __construct($db) { /* {{{ */
$this->db = $db;
} /* }}} */
/**
* Create a new session and saving the given data into the database
*
* @param array $data data saved in session (the only fields supported
* are userid, theme, language, su)
* @return string/boolean id of session of false in case of an error
*/
function create($data) { /* {{{ */
$id = "" . rand() . time() . rand() . "";
$id = md5($id);
$lastaccess = time();
$queryStr = "INSERT INTO tblSessions (id, userID, lastAccess, theme, language, su) ".
"VALUES ('".$id."', ".$data['userid'].", ".$lastaccess.", '".$data['theme']."', '".$data['lang']."', 0)";
if (!$this->db->getResult($queryStr)) {
return false;
}
return $id;
} /* }}} */
/**
* Get list of all active sessions
*
* @return array list of sessions
*/
function getAllSessions() { /* {{{ */
$queryStr = "SELECT * FROM tblSessions";
$resArr = $this->db->getResultArray($queryStr);
if (is_bool($resArr) && $resArr == false)
return false;
$sessions = array();
foreach($resArr as $rec) {
$session = new SeedDMS_Session($this->db);
$session->load($rec['id']);
$sessions[] = $session;
}
return $sessions;
} /* }}} */
/**
* Get list of active sessions for a given user
*
* @return array list of sessions
*/
function getUserSessions($user) { /* {{{ */
$queryStr = "SELECT * FROM tblSessions WHERE userID=".$user->getID();
$resArr = $this->db->getResultArray($queryStr);
if (is_bool($resArr) && $resArr == false)
return false;
$sessions = array();
foreach($resArr as $rec) {
$session = new SeedDMS_Session($this->db);
$session->load($rec['id']);
$sessions[] = $session;
}
return $sessions;
} /* }}} */
}
?>