OpenDocumentIndexer.php
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<?php
/**
* $Id$
*
* The contents of this file are subject to the KnowledgeTree Public
* License Version 1.1 ("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.
*
* 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.
*
*/
require_once(KT_DIR . '/plugins/ktstandard/contents/BaseIndexer.php');
class KTOpenDocumentIndexerTrigger extends KTBaseIndexerTrigger {
var $mimetypes = array(
'application/octet-stream' => true,
'application/zip' => true,
'application/x-zip' => true,
'application/vnd.oasis.opendocument.text' => true,
'application/vnd.oasis.opendocument.text-template' => true,
'application/vnd.oasis.opendocument.presentation' => true,
'application/vnd.oasis.opendocument.presentation-template' => true,
'application/vnd.oasis.opendocument.spreadsheet' => true,
'application/vnd.oasis.opendocument.spreadsheet-template' => true,
);
function transform() {
global $default;
$iMimeTypeId = $this->oDocument->getMimeTypeId();
$sMimeType = KTMime::getMimeTypeName($iMimeTypeId);
$sFileName = $this->oDocument->getFileName();
$aTestTypes = array('application/octet-stream', 'application/zip', 'application/x-zip');
if (in_array($sMimeType, $aTestTypes)) {
$sExtension = KTMime::stripAllButExtension($sFileName);
$sTable = KTUtil::getTableName('mimetypes');
$sQuery = "SELECT id, mimetypes FROM $sTable WHERE LOWER(filetypes) = ?";
$aParams = array($sExtension);
$aRow = DBUtil::getOneResult(array($sQuery, $aParams));
if (PEAR::isError($aRow)) {
$default->log->debug("ODI: error in query: " . print_r($aRow, true));
return;
}
if (empty($aRow)) {
$default->log->debug("ODI: query returned entry");
return;
}
$id = $aRow['id'];
$mimetype = $aRow['mimetypes'];
$default->log->debug("ODI: query returned: " . print_r($aRow, true));
if (in_array($mimetype, $aTestTypes)) {
// Haven't changed, really not an OpenDocument file...
return;
}
if ($id) {
$this->oDocument->setMimeTypeId($id);
$this->oDocument->update();
}
}
parent::transform();
}
function getFriendlyCommand() {
$sUnzipCommand = KTUtil::findCommand("import/unzip", "unzip");
if (empty($sUnzipCommand)) {
return false;
}
return _kt('Built-in');
}
function findLocalCommand() {
$sCommand = KTUtil::findCommand("import/unzip", "unzip");
return $sCommand;
}
function getDiagnostic() {
$sCommand = $this->findLocalCommand();
// can't find the local command.
if (empty($sCommand)) {
return sprintf(_kt('Unable to find required command for indexing. Please ensure that <strong>%s</strong> is installed and in the KnowledgeTree Path. For more information on indexers and helper applications, please <a href="%s">visit the KTDMS site</a>.'), $this->command, $this->support_url);
}
return null;
}
function extract_contents($sFilename, $sTmpFilename) {
$sUnzipCommand = KTUtil::findCommand("import/unzip", "unzip");
if (empty($sUnzipCommand)) {
return;
}
$this->sTmpPath = tempnam('/tmp', 'opendocumentextract');
if ($this->sTmpPath === false) {
return;
}
unlink($this->sTmpPath);
mkdir($this->sTmpPath, 0700);
$sCmd = array(
$sUnzipCommand,
"-q", "-n",
"-d", $this->sTmpPath,
$sFilename,
);
KTUtil::pexec($sCmd);
$sManifest = sprintf("%s/%s", $this->sTmpPath, "META-INF/manifest.xml");
if (!file_exists($sManifest)) {
$this->cleanup();
return;
}
$sContentFile = sprintf("%s/%s", $this->sTmpPath, "content.xml");
if (!file_exists($sContentFile)) {
$this->cleanup();
return;
}
$sContent = file_get_contents($sContentFile);
$sContent = preg_replace ("@(</?[^>]*>)+@", " ", $sContent);
$this->cleanup();
return $sContent;
}
function cleanup() {
KTUtil::deleteDirectory($this->sTmpPath);
}
}
?>