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<?php // $Id: $ /* For licensing terms, see /license.txt */ /** * This file is responsible for passing requested documents to the browser. * Html files are parsed to fix a few problems with URLs, * but this code will hopefully be replaced soon by an Apache URL * rewrite mechanism. * * @package chamilo.calendar */ /** * MAIN CODE */ session_cache_limiter('public'); require_once '../inc/global.inc.php'; $this_section = SECTION_COURSES; require_once api_get_path(LIBRARY_PATH).'document.lib.php'; require_once 'agenda.inc.php'; // IMPORTANT to avoid caching of documents header('Expires: Wed, 01 Jan 1990 00:00:00 GMT'); header('Cache-Control: public'); header('Pragma: no-cache'); $course_id = intval($_REQUEST['course_id']); $user_id = api_get_user_id(); $course_info = api_get_course_info_by_id($course_id); $doc_url = $_REQUEST['file']; $session_id = api_get_session_id(); if (empty($course_id)) { $course_id = api_get_course_int_id(); } if (empty($course_id) || empty($doc_url)) { api_not_allowed(); } $is_user_is_subscribed = CourseManager::is_user_subscribed_in_course($user_id, $course_info['code'], true, $session_id); if (!api_is_allowed_to_edit() && !$is_user_is_subscribed) { api_not_allowed(); } //change the '&' that got rewritten to '///' by mod_rewrite back to '&' $doc_url = str_replace('///', '&', $doc_url); //still a space present? it must be a '+' (that got replaced by mod_rewrite) $doc_url = str_replace(' ', '+', $doc_url); $doc_url = str_replace('/..', '', $doc_url); //echo $doc_url; $full_file_name = api_get_path(SYS_COURSE_PATH).$course_info['path'].'/upload/calendar/'.$doc_url; //if the rewrite rule asks for a directory, we redirect to the document explorer if (is_dir($full_file_name)) { //remove last slash if present //$doc_url = ($doc_url{strlen($doc_url)-1}=='/')?substr($doc_url,0,strlen($doc_url)-1):$doc_url; //mod_rewrite can change /some/path/ to /some/path// in some cases, so clean them all off (René) while ($doc_url{$dul = strlen($doc_url)-1}=='/') $doc_url = substr($doc_url,0,$dul); //create the path $document_explorer = api_get_path(WEB_COURSE_PATH).$course_info['path']; // home course path //redirect header('Location: '.$document_explorer); exit; } $tbl_agenda_attachment = Database::get_course_table(TABLE_AGENDA_ATTACHMENT); // launch event event_download($doc_url); $sql='SELECT filename FROM '.$tbl_agenda_attachment.' WHERE c_id = '.$course_id.' AND path LIKE BINARY "'.Database::escape_string($doc_url).'"'; $result = Database::query($sql); if (Database::num_rows($result)) { $row = Database::fetch_array($result); $title = str_replace(' ','_', $row['filename']); if (Security::check_abs_path($full_file_name, api_get_path(SYS_COURSE_PATH).$course_info['path'].'/upload/calendar/')) { DocumentManager::file_send_for_download($full_file_name,TRUE, $title); } } api_not_allowed();
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