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27af904b85
engine give nicer results with adequate pagination. Adding icon and reference to course origine. Generalizing replacement of isadmin by doanithing capability check should contribute to close many global search related issues from http://tracker.moodle.org/browse/MDL-14646 startpoint
69 lines
2.7 KiB
PHP
69 lines
2.7 KiB
PHP
<?php
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/**
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* Global Search Engine for Moodle
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*
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* @package search
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* @category core
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* @subpackage document_wrappers
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* @author Valery Fremaux [valery.fremaux@club-internet.fr] > 1.8
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* @date 2008/03/31
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* @license http://www.gnu.org/copyleft/gpl.html GNU Public License
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*
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* @note : The Adobe SWF Converters library is not GPL, although it can be of free use in some
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* situations. This file is provided for convenience, but should use having a glance at
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* {@link http://www.adobe.com/licensing/developer/}
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*
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* this is a format handler for getting text out of a proprietary binary format
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* so it can be indexed by Lucene search engine
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*/
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/**
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* @param object $resource
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* @uses $CFG
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*/
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function get_text_for_indexing_swf(&$resource, $directfile = ''){
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global $CFG;
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// SECURITY : do not allow non admin execute anything on system !!
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if (!has_capability('moodle/site:doanything', get_context_instance(CONTEXT_SYSTEM))) return;
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// adds moodle root switch if none was defined
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if (!isset($CFG->block_search_usemoodleroot)){
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set_config('block_search_usemoodleroot', 1);
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}
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$moodleroot = ($CFG->block_search_usemoodleroot) ? "{$CFG->dirroot}/" : '' ;
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// just call pdftotext over stdout and capture the output
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if (!empty($CFG->block_search_pdf_to_text_cmd)){
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$command = trim($CFG->block_search_swf_to_text_cmd);
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if (!file_exists("{$moodleroot}{$command}")){
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mtrace('Error with swf to text converter command : executable not found as '.$moodleroot.$command);
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} else {
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if ($directfile == ''){
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$file = escapeshellarg("{$CFG->dataroot}/{$resource->course}/{$resource->reference}");
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} else {
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$file = escapeshellarg("{$CFG->dataroot}/{$directfile}");
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}
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$text_converter_cmd = "{$moodleroot}{$command} -t $file";
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$result = shell_exec($text_converter_cmd);
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// result is in html. We must strip it off
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$result = preg_replace("/<[^>]*>/", '', $result);
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$result = preg_replace("/<!--[^>]*-->/", '', $result);
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$result = html_entity_decode($result, ENT_COMPAT, 'UTF-8');
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$result = mb_convert_encoding($result, 'UTF-8', 'auto');
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if ($result){
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return $result;
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} else {
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mtrace('Error with swf to text converter command : execution failed for '.$text_converter_cmd.'. Check for execution permission on swf converter executable.');
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return '';
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}
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}
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} else {
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mtrace('Error with swf to text converter command : command not set up. Execute once search block configuration.');
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return '';
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}
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}
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?>
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