OpenDocumentIndexer.php
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<?php
/**
* $Id$
*
* Copyright (c) 2006 Jam Warehouse http://www.jamwarehouse.com
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; using version 2 of the License.
*
* 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* -------------------------------------------------------------------------
*
* You can contact the copyright owner regarding licensing via the contact
* details that can be found on the KnowledgeTree web site:
*
* http://www.ktdms.com/
*/
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() {
$iMimeTypeId = $this->oDocument->getMimeTypeId();
$sMimeType = KTMime::getMimeTypeName($iMimeTypeId);
$sFileName = $this->oDocument->getFileName();
if (in_array($sMimeType, array('application/octet-stream', 'application/zip', 'application/x-zip'))) {
$sExtension = KTMime::stripAllButExtension($sFileName);
$sTable = KTUtil::getTableName('mimetypes');
$sQuery = "SELECT id FROM $sTable WHERE LOWER(filetypes) = ?";
$aParams = array($sExtension);
$id = DBUtil::getOneResultKey(array($sQuery, $aParams), 'id');
if ($id) {
$this->oDocument->setMimeTypeId($id);
$this->oDocument->update();
}
}
parent::transform();
}
function getFriendlyCommand() {
$sUnzipCommand = KTUtil::findCommand("import/unzip", "unzip");
if (empty($sUnzipCommand)) {
return false;
}
return _('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(_('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);
}
}
?>