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55 lines
1.7 KiB
55 lines
1.7 KiB
<?php
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/* For licensing terms, see /license.txt */
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/**
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* This file is responsible for passing requested documents to the browser.
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* @package chamilo.document
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*/
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session_cache_limiter('none');
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require_once __DIR__.'/../inc/global.inc.php';
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$this_section = SECTION_COURSES;
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// Protection
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api_protect_course_script();
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if (!isset($_course)) {
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api_not_allowed(true);
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}
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$doc_url = $_GET['doc_url'];
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// Change the '&' that got rewritten to '///' by mod_rewrite back to '&'
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$doc_url = str_replace('///', '&', $doc_url);
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// Still a space present? it must be a '+' (that got replaced by mod_rewrite)
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$doc_url = str_replace(' ', '+', $doc_url);
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$doc_url = str_replace(array('../', '\\..', '\\0', '..\\'), array('', '', '', ''), $doc_url); //echo $doc_url;
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if (strpos($doc_url, '../') || strpos($doc_url, '/..')) {
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$doc_url = '';
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}
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$sys_course_path = api_get_path(SYS_COURSE_PATH).$_course['path'].'/scorm';
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$user_id = api_get_user_id();
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if ($_SESSION['oLP']) {
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$lp_id = $_SESSION['oLP']->get_id();
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$lp_item_id = $_SESSION['oLP']->current;
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$lp_item_info = new learnpathItem($lp_item_id);
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if (!empty($lp_item_info)) {
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//if (basename($lp_item_info->path) == basename($doc_url)) {
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$visible = learnpath::is_lp_visible_for_student($lp_id, $user_id);
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if ($visible) {
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Event::event_download($doc_url);
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if (Security::check_abs_path($sys_course_path.$doc_url, $sys_course_path.'/')) {
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$full_file_name = $sys_course_path.$doc_url;
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DocumentManager::file_send_for_download($full_file_name);
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exit;
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}
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}
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//}
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}
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}
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echo Display::return_message(get_lang('ProtectedDocument'), 'error');
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//api_not_allowed backbutton won't work.
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exit;
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