KTUploadManager.inc.php
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<?php
/**
*
* KTUploadManager manages files in the uploaded_files table.
*
* The contents of this file are subject to the KnowledgeTree Public
* License Version 1.1.2 ("License"); You may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.knowledgetree.com/KPL
*
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.
* See the License for the specific language governing rights and
* limitations under the License.
*
* All copies of the Covered Code must include on each user interface screen:
* (i) the "Powered by KnowledgeTree" logo and
* (ii) the KnowledgeTree copyright notice
* in the same form as they appear in the distribution. See the License for
* requirements.
*
* The Original Code is: KnowledgeTree Open Source
*
* The Initial Developer of the Original Code is The Jam Warehouse Software
* (Pty) Ltd, trading as KnowledgeTree.
* Portions created by The Jam Warehouse Software (Pty) Ltd are Copyright
* (C) 2007 The Jam Warehouse Software (Pty) Ltd;
* All Rights Reserved.
* Contributor( s): ______________________________________
*
*/
class KTUploadManager
{
var $userid;
var $age;
var $temp_dir;
var $session;
function KTUploadManager()
{
$config = KTConfig::getSingleton();
$this->age = $config->get('webservice/uploadExpiry',60);
$this->temp_dir= $config->get('webservice/uploadDirectory');
}
/**
* Sets the current session.
*
* @param KTAPI_Session $session
*/
function set_session($session)
{
$user = &$session->get_user();
$this->userid=$user->getId();
$this->session = $session->get_session();
}
/**
* This tells the manager to manage a file that has been uploaded.
*
* @param string $filename
* @param string $tempfile
* @param string $action
*/
function uploaded($filename, $tempfile, $action, $relatedid = null)
{
$filename=basename($filename);
$now=date('Y-m-d H:i:s');
$now_str=date('YmdHis');
$tempfile = str_replace('/','\\',$tempfile);
$newtempfile = str_replace('\\','/',realpath($this->temp_dir) . '/' . $this->userid . '-'. $now_str);
DBUtil::startTransaction();
$id = DBUtil::autoInsert('uploaded_files',
array(
'tempfilename'=>$newtempfile,
'filename'=>$filename,
'userid'=>$this->userid,
'uploaddate'=>$now,
'action'=>$action,
// 'related_uploadid'=>$relatedid
),
array('noid'=>true)
);
if (PEAR::isError($id))
{
DBUtil::rollback();
return $id;
}
$result = move_uploaded_file($tempfile, $newtempfile);
if ($result == false)
{
DBUtil::rollback();
return false;
}
DBUtil::commit();
return $newtempfile;
}
/**
* This is a list of all all managed files.
*
* @param string $action
*/
function get_uploaded_list($action=null)
{
$sql = "SELECT id, tempfilename, filename, userid, action FROM uploaded_files WHERE userid=$this->userid";
if (!is_null($action))
{
$sql .= " AND action='$action'";
}
$result = DBUtil::getResultArray($sql);
return $result;
}
function imported_file($action, $filename, $documentid)
{
DBUtil::startTransaction();
$filename=basename($filename);
$sql = "DELETE FROM uploaded_files WHERE action='$action' AND filename='$filename'";
$rs = DBUtil::runQuery($sql);
if (PEAR::isError($rs))
{
DBUtil::rollback();
return false;
}
$sql = "INSERT INTO index_files(document_id, user_id) VALUES($documentid, $this->userid)";
DBUtil::runQuery($sql);
if (PEAR::isError($rs))
{
DBUtil::rollback();
return false;
}
DBUtil::commit();
return true;
}
/**
* This will remove any temporary files that have not been dealt with in the correct timeframe.
*
*/
function cleanup()
{
list($year,$mon,$day,$hour, $min) = explode(':', date('Y:m:d:H:i'));
$expirydate = date('Y-m-d H:i:s', mktime($hour, $min - $this->age, 0, $mon, $day, $year));
$sql = "SELECT tempfilename FROM uploaded_files WHERE uploaddate<'$expirydate'";
$rows = DBUtil::getResultArray($sql);
foreach($rows as $record)
{
$tempfilename=addslashes($record['tempfilename']);
$sql = "DELETE FROM uploaded_files WHERE tempfilename='$tempfilename'";
$rs = DBUtil::runQuery($sql);
if (PEAR::isError($rs))
{
continue;
}
@unlink($tempfilename);
}
}
}
?>