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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
63 lines
2.0 KiB
PHP
63 lines
2.0 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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* 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 $CFG
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*/
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function get_text_for_indexing_htm(&$resource, $directfile = ''){
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global $CFG;
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// SECURITY : do not allow non admin execute anything on system !!
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if (!has_capability('moodle/site:doanything', get_context_instance(CONTEXT_SYSTEM))) return;
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// just get text
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if ($directfile == ''){
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$text = implode('', file("{$CFG->dataroot}/{$resource->course}/{$resource->reference}"));
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} else {
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$text = implode('', file("{$CFG->dataroot}/{$directfile}"));
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}
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// extract keywords and other interesting meta information and put it back as real content for indexing
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if (preg_match('/(.*)<meta ([^>]*)>(.*)/is', $text, $matches)){
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$prefix = $matches[1];
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$meta_attributes = $matches[2];
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$suffix = $matches[3];
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if (preg_match('/name="(keywords|description)"/i', $meta_attributes)){
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preg_match('/content="([^"]+)"/i', $meta_attributes, $matches);
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$text = $prefix.' '.$matches[1].' '.$suffix;
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}
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}
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// brutally filters all html tags
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$text = preg_replace("/<[^>]*>/", '', $text);
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$text = preg_replace("/<!--[^>]*-->/", '', $text);
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$text = html_entity_decode($text, ENT_COMPAT, 'UTF-8');
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$text = mb_convert_encoding($text, 'UTF-8', 'auto');
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/*
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* debug code for tracing input
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echo "<hr/>";
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$FILE = fopen("filetrace.log", 'w');
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fwrite($FILE, $text);
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fclose($FILE);
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echo "<hr/>";
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*/
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if (!empty($CFG->block_search_limit_index_body)){
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$text = shorten($text, $CFG->block_search_limit_index_body);
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}
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return $text;
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}
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?>
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