mirrored from git://git.moodle.org/moodle.git
/
physical_doc.php
61 lines (57 loc) · 2.31 KB
/
physical_doc.php
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<?php
/**
* Global Search Engine for Moodle
*
* @package search
* @category core
* @subpackage document_wrappers
* @author Valery Fremaux [valery.fremaux@club-internet.fr] > 1.8
* @contributor Tatsuva Shirai 20090530
* @date 2008/03/31
* @license http://www.gnu.org/copyleft/gpl.html GNU Public License
*
* this is a format handler for getting text out of a proprietary binary format
* so it can be indexed by Lucene search engine
*/
/**
* MS Word extractor
* @param object $resource
* @uses $CFG
*/
function get_text_for_indexing_doc(&$resource, $directfile = ''){
global $CFG;
// SECURITY : do not allow non admin execute anything on system !!
if (!has_capability('moodle/site:doanything', get_context_instance(CONTEXT_SYSTEM))) return;
$moodleroot = (@$CFG->block_search_usemoodleroot) ? "{$CFG->dirroot}/" : '' ;
// just call antiword over stdout and capture the output
if (!empty($CFG->block_search_word_to_text_cmd)){
// we need to remove any line command options...
preg_match("/^\S+/", $CFG->block_search_word_to_text_cmd, $matches);
if (!file_exists("{$moodleroot}{$matches[0]}")){
mtrace('Error with MSWord to text converter command : executable not found at '.$moodleroot.$CFG->block_search_word_to_text_cmd);
} else {
if ($directfile == ''){
$file = escapeshellarg("{$CFG->dataroot}/{$resource->course}/{$resource->reference}");
} else {
$file = escapeshellarg("{$CFG->dataroot}/{$directfile}");
}
$command = trim($CFG->block_search_word_to_text_cmd);
$text_converter_cmd = "{$moodleroot}{$command} -m UTF-8.txt $file";
if ($CFG->block_search_word_to_text_env){
putenv($CFG->block_search_word_to_text_env);
}
mtrace("Executing : $text_converter_cmd");
$result = shell_exec($text_converter_cmd);
if ($result){
return mb_convert_encoding($result, 'UTF-8', 'auto');
} else {
mtrace('Error with MSWord to text converter command : execution failed. ');
return '';
}
}
} else {
mtrace('Error with MSWord to text converter command : command not set up. Execute once search block configuration.');
return '';
}
}
?>