storageverification.php
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<?php
/**
* $Id$
*
* KnowledgeTree Community Edition
* Document Management Made Simple
* Copyright (C) 2008, 2009, 2010 KnowledgeTree Inc.
*
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License version 3 as published by the
* Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* You can contact KnowledgeTree Inc., PO Box 7775 #87847, San Francisco,
* California 94120-7775, or email info@knowledgetree.com.
*
* The interactive user interfaces in modified source and object code versions
* of this program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU General Public License version 3.
*
* In accordance with Section 7(b) of the GNU General Public License version 3,
* these Appropriate Legal Notices must retain the display of the "Powered by
* KnowledgeTree" logo and retain the original copyright notice. If the display of the
* logo is not reasonably feasible for technical reasons, the Appropriate Legal Notices
* must display the words "Powered by KnowledgeTree" and retain the original
* copyright notice.
* Contributor( s): ______________________________________
*/
require_once(dirname(__FILE__) . '/../config/dmsDefaults.php');
require_once(KT_LIB_DIR . '/storage/storagemanager.inc.php');
// TODO: this does not verify files that are in the storage system, but not on the database. It is better that the storage system
// be in sync with the database. However, we should have a better way to query the storage driver to give us a list of files.
class StorageVerification
{
private $count;
private $lineCount;
private $doc;
const DOCS_PER_DOT = 100;
const DOTS_PER_LINE = 80;
private $nl;
private $tab;
private
function error($msg)
{
$doc = $this->doc;
$documentId = $doc->getId();
$path = $doc->getFullPath();
$filename = $doc->getFileName();
$storagePath = $doc->getStoragePath();
print "{$this->nl}{$this->nl}";
print "Problem with Document ID: {$documentId}{$this->nl}";
print "{$this->tab}Path: {$path}{$this->nl}";
print "{$this->tab}Filename: {$filename}{$this->nl}";
print "{$this->tab}StoragePath: {$storagePath}{$this->nl}";
print "{$this->tab}Problem: {$msg}{$this->nl}{$this->nl}";
flush();
$this->count = 0;
$this->lineCount = 0;
$this->clearCache();
}
private
function progress()
{
if ($this->count++ % StorageVerification::DOCS_PER_DOT == 0)
{
$this->lineCount++;
print '.';
flush();
}
if ($this->lineCount == StorageVerification::DOTS_PER_LINE )
{
print "{$this->nl}";
flush();
$this->lineCount = 0;
}
$this->clearCache();
}
private
function clearCache()
{
$metadataid = $this->doc->getMetadataVersionId();
$contentid = $this->doc->getContentVersionId();
$iId = $this->doc->getId();
$cache = KTCache::getSingleton();
$cache->remove('KTDocumentMetadataVersion/id', $metadataid);
$cache->remove('KTDocumentContentVersion/id', $contentid);
$cache->remove('KTDocumentCore/id', $iId);
$cache->remove('Document/id', $iId);
unset($GLOBALS['_OBJECTCACHE']['KTDocumentMetadataVersion'][$metadataid]);
unset($GLOBALS['_OBJECTCACHE']['KTDocumentContentVersion'][$contentid]);
unset($GLOBALS['_OBJECTCACHE']['KTDocumentCore'][$iId]);
unset($this->doc);
}
public
function run()
{
global $argc;
if (isset($argc))
{
$this->nl = "\n";
$this->tab = "\t";
print "Storage Verification{$this->nl}";
print "===================={$this->nl}";
}
else
{
$this->nl = '<br>';
$this->tab = ' ';
print "<b>Storage Verification</b>{$this->nl}";
}
$sql = "SELECT
dmv.id as metadata_version_id, dcv.document_id, dcv.md5hash, dcv.size
FROM
document_content_version dcv
INNER JOIN document_metadata_version dmv ON dcv.id=dmv.content_version_id";
$rows = DBUtil::getResultArray($sql);
$this->count = 0;
$this->lineCount = 0;
$storage =& KTStorageManagerUtil::getSingleton();
foreach($rows as $row)
{
$doc = Document::get($row['document_id'], $row['metadata_version_id']);
if (PEAR::isError($doc))
{
$msg = $doc->getMessage();
$this->error($doc, "Error with document: {$msg}");
continue;
}
$this->doc = $doc;
$tmpPath = $storage->temporaryFile($doc);
if (!file_exists($tmpPath))
{
$this->error("Temporary file could not be resolved: {$tmpPath}");
continue;
}
$expectedSize = $row['size'];
$currentSize = filesize($tmpPath);
if ($expectedSize != $currentSize)
{
$this->error("Filesize does not match. Expected: {$expectedSize} Current: {$currentSize}");
continue;
}
$expectedHash = $row['md5hash'];
$currentHash = md5_file($tmpPath);
if ($expectedHash != $currentHash)
{
$this->error("Hash does not match. Expected: {$expectedHash} Current: {$currentHash}");
continue;
}
$this->progress();
}
print "{$this->nl}Done.{$this->nl}{$this->nl}";
}
}
$verification = new StorageVerification();
$verification->run();
?>