mirror of
https://github.com/moodle/moodle.git
synced 2025-02-24 03:53:49 +01:00
41 lines
1.4 KiB
PHP
41 lines
1.4 KiB
PHP
|
<?php
|
||
|
|
/**
|
||
|
|
* Global Search Engine for Moodle
|
||
|
|
* add-on 1.8+ : Valery Fremaux [valery.fremaux@club-internet.fr]
|
||
|
|
* 2007/08/02
|
||
|
|
*
|
||
|
|
* this is a format handler for getting text out of a proprietary binary format
|
||
|
|
* so it can be indexed by Lucene search engine
|
||
|
|
*/
|
||
|
|
|
||
|
|
function get_text_for_indexing_pdf(&$resource){
|
||
|
|
global $CFG, $USER;
|
||
|
|
|
||
|
|
// SECURITY : do not allow non admin execute anything on system !!
|
||
|
|
if (!isadmin($USER->id)) return;
|
||
|
|
|
||
|
|
// just call pdftotext over stdout and capture the output
|
||
|
|
if (!empty($CFG->block_search_pdf_to_text_cmd)){
|
||
|
|
preg_match("/^\S+/", $CFG->block_search_pdf_to_text_cmd, $matches);
|
||
|
|
if (!file_exists("{$CFG->dirroot}/{$matches[0]}")){
|
||
|
|
mtrace('Error with pdf to text converter command : exectuable not found.');
|
||
|
|
}
|
||
|
|
else{
|
||
|
|
$file = $CFG->dataroot.'/'.$resource->course.'/'.$resource->reference;
|
||
|
|
$text_converter_cmd = "{$CFG->dirroot}/{$CFG->block_search_pdf_to_text_cmd} $file -";
|
||
|
|
$result = shell_exec($text_converter_cmd);
|
||
|
|
if ($result){
|
||
|
|
return $result;
|
||
|
|
}
|
||
|
|
else{
|
||
|
|
mtrace('Error with pdf to text converter command : execution failed.');
|
||
|
|
return '';
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
mtrace('Error with pdf to text converter command : command not set up. Execute once search block configuration.');
|
||
|
|
return '';
|
||
|
|
}
|
||
|
|
}
|
||
|
|
?>
|