mirrored from git://git.moodle.org/moodle.git
/
physical_pdf.php
41 lines (38 loc) · 1.42 KB
/
physical_pdf.php
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
<?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{
$file = escapeshellarg($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 '';
}
}
?>