pdfConverter.php
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<?php
/*
* $Id: $
*
* The contents of this file are subject to the KnowledgeTree
* Commercial Editions On-Premise License ("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/about/legal/
* The terms of this license may change from time to time and the latest
* license will be published from time to time at the above Internet address.
*
* This edition of the KnowledgeTree software
* is NOT licensed to you under Open Source terms.
* You may not redistribute this source code.
* For more information please see the License above.
*
* (c) 2008 KnowledgeTree Inc.
* Portions copyright The Jam Warehouse Software (Pty) Ltd;
* All Rights Reserved.
*
*/
require_once(KT_DIR . '/search2/documentProcessor/documentProcessor.inc.php');
require_once(KT_DIR . '/search2/indexing/lib/XmlRpcLucene.inc.php');
/**
* @todo Check if the trigger should be called on download
*
*/
class pdfConverter extends BaseProcessor
{
public $order = 2;
protected $namespace = 'pdf.converter.processor';
private $ooHost = '127.0.0.1';
private $ooPort = 8100;
/**
* Constructor gets the connection to the java server
*
* @return pdfConverter
*/
public function pdfConverter()
{
$config =& KTConfig::getSingleton();
$javaServerUrl = $config->get('indexer/javaLuceneURL');
$this->ooHost = $config->get('openoffice/host','127.0.0.1');
$this->ooPort = $config->get('openoffice/port','8100');
$this->xmlrpc = XmlRpcLucene::get($javaServerUrl);
}
/**
* Gets the document path and calls the conversion function
*
* @return boolean
*/
public function processDocument()
{
$oStorage = KTStorageManagerUtil::getSingleton();
$path = $oStorage->temporaryFile($this->document);
$ext = KTMime::getFileType($this->document->getMimeTypeID());
if(!file_exists($path)){
global $default;
$default->log->debug('Document, id: '.$this->document->iId.', does not exist at given storage path: '.$path);
return false;
}
// do pdf conversion
$res = $this->convertFile($path, $ext);
if($res === false){
global $default;
$default->log->debug('Document, id: '.$this->document->iId.', could not be converted to pdf.');
return false;
}
return true;
}
/**
* The supported mime types for the converter.
*
* @return array
*/
public function getSupportedMimeTypes()
{
// $aAcceptedMimeTypes = array('doc', 'ods', 'odt', 'ott', 'txt', 'rtf', 'sxw', 'stw',
// // 'html', 'htm',
// 'xml' , 'pdb', 'psw', 'ods', 'ots', 'sxc',
// 'stc', 'dif', 'dbf', 'xls', 'xlt', 'slk', 'csv', 'pxl',
// 'odp', 'otp', 'sxi', 'sti', 'ppt', 'pot', 'sxd', 'odg',
// 'otg', 'std', 'asc');
// taken from the original list of accepted types in the pdf generator action
$mime_types = array();
$mime_types[] = 'text/plain';
$mime_types[] = 'text/html';
$mime_types[] = 'text/csv';
$mime_types[] = 'text/rtf';
// Office OLE2 - 2003, XP, etc
$mime_types[] = 'application/msword';
$mime_types[] = 'application/vnd.ms-powerpoint';
$mime_types[] = 'application/vnd.ms-excel';
// Star Office
$mime_types[] = 'application/vnd.sun.xml.writer';
$mime_types[] = 'application/vnd.sun.xml.writer.template';
$mime_types[] = 'application/vnd.sun.xml.calc';
$mime_types[] = 'application/vnd.sun.xml.calc.template';
$mime_types[] = 'application/vnd.sun.xml.draw';
$mime_types[] = 'application/vnd.sun.xml.draw.template';
$mime_types[] = 'application/vnd.sun.xml.impress';
$mime_types[] = 'application/vnd.sun.xml.impress.template';
// Open Office
$mime_types[] = 'application/vnd.oasis.opendocument.text';
$mime_types[] = 'application/vnd.oasis.opendocument.text-template';
$mime_types[] = 'application/vnd.oasis.opendocument.graphics';
$mime_types[] = 'application/vnd.oasis.opendocument.graphics-template';
$mime_types[] = 'application/vnd.oasis.opendocument.presentation';
$mime_types[] = 'application/vnd.oasis.opendocument.presentation-template';
$mime_types[] = 'application/vnd.oasis.opendocument.spreadsheet';
$mime_types[] = 'application/vnd.oasis.opendocument.spreadsheet-template';
// Office 2007
$mime_types[] = 'application/vnd.openxmlformats-officedocument.wordprocessingml.document';
$mime_types[] = 'application/vnd.openxmlformats-officedocument.wordprocessingml.template';
$mime_types[] = 'application/vnd.openxmlformats-officedocument.presentationml.template';
$mime_types[] = 'application/vnd.openxmlformats-officedocument.presentationml.slideshow';
$mime_types[] = 'application/vnd.openxmlformats-officedocument.presentationml.presentation';
$mime_types[] = 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet';
$mime_types[] = 'application/vnd.openxmlformats-officedocument.spreadsheetml.template';
return $mime_types;
}
/**
* Converts the given file to a pdf
*
* @param string $filename The full path to the file
* @param string $ext The extension of the file
* @return boolean
*/
function convertFile($filename, $ext)
{
global $default;
$tempDir = $default->tmpDirectory;
// Create temporary copy of document
$sourceFile = tempnam($tempDir, 'pdfconverter') . '.' .$ext;
$res = @copy($filename, $sourceFile);
// Create a temporary file to store the converted document
$targetFile = tempnam($tempDir, 'pdfconverter') . '.pdf';
// Get contents and send to converter
$result = $this->xmlrpc->convertDocument($sourceFile, $targetFile, $this->ooHost, $this->ooPort);
if($result === false){
$default->log->error('PDF Converter Plugin: Conversion to PDF Failed');
@unlink($sourceFile);
@unlink($targetFile);
return false;
}
$pdfDir = $default->pdfDirectory;
// Ensure the PDF directory exists
if(!file_exists($pdfDir)){
mkdir($pdfDir, 0755);
}
$pdfFile = $pdfDir .'/'. $this->document->iId.'.pdf';
// if a previous version of the pdf exists - delete it
if(file_exists($pdfFile)){
@unlink($pdfFile);
}
// Copy the generated pdf into the pdf directory
$res = @copy($targetFile, $pdfFile);
@unlink($sourceFile);
@unlink($targetFile);
return $pdfFile;
}
}
?>