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146 lines
4.3 KiB
146 lines
4.3 KiB
<?php
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/* For licensing terms, see /license.txt */
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/**
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* This script shows the list of exercises for administrators and students.
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* @package chamilo.exercise
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* @author Istvan Mandak
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* @version $Id: Hpdownload.php 22201 2009-07-17 19:57:03Z cfasanando $
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*/
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session_cache_limiter('public');
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require_once __DIR__.'/../inc/global.inc.php';
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$this_section = SECTION_COURSES;
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$tbl_document = Database::get_course_table(TABLE_DOCUMENT);
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$doc_url = str_replace(['../', '\\..', '\\0', '..\\'], ['', '', '', ''], urldecode($_GET['doc_url']));
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$filename = basename($doc_url);
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// launch event
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//Event::event_download($doc_url);
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if (isset($_course['path'])) {
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$course_path = api_get_path(SYS_COURSE_PATH).$_course['path'].'/document';
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$full_file_name = $course_path.Security::remove_XSS($doc_url);
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} else {
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$course_path = api_get_path(SYS_COURSE_PATH).$cid.'/document';
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$full_file_name = $course_path.Security::remove_XSS($doc_url);
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}
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if (!is_file($full_file_name)) {
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exit;
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}
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if (!Security::check_abs_path($full_file_name, $course_path.'/')) {
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exit;
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}
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$extension = explode('.', $filename);
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$extension = strtolower($extension[sizeof($extension) - 1]);
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switch ($extension) {
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case 'gz':
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$content_type = 'application/x-gzip';
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break;
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case 'zip':
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$content_type = 'application/zip';
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break;
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case 'pdf':
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$content_type = 'application/pdf';
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break;
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case 'png':
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$content_type = 'image/png';
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break;
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case 'gif':
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$content_type = 'image/gif';
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break;
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case 'jpg':
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$content_type = 'image/jpeg';
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break;
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case 'txt':
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$content_type = 'text/plain';
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break;
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case 'htm':
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$content_type = 'text/html';
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break;
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case 'html':
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$content_type = 'text/html';
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break;
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default:
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$content_type = 'application/octet-stream';
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break;
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}
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header('Content-disposition: filename='.$filename);
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header('Content-Type: '.$content_type);
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header('Expires: '.gmdate('D, d M Y H:i:s', time() + 10).' GMT');
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header('Last-Modified: '.gmdate('D, d M Y H:i:s', time() + 10).' GMT');
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/*
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Dynamic parsing section
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is activated whenever a user views an html file
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work in progress
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- question: we could also parse per line,
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perhaps this would be faster.
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($file_content = file($full_file_name) returns file in array)
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*/
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if ($content_type == 'text/html') {
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$directory_name = dirname($full_file_name);
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$coursePath = api_get_path(SYS_COURSE_PATH);
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$dir = str_replace(['\\', $coursePath.$_course['path'].'/document'], ['/', ''], $directory_name);
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if ($dir[strlen($dir) - 1] != '/') {
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$dir .= '/';
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}
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//Parse whole file at one
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$fp = fopen($full_file_name, "r");
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$file_content = fread($fp, filesize($full_file_name));
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fclose($fp);
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$exercisePath = api_get_self();
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$exfile = explode('/', $exercisePath);
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$exfile = $exfile[sizeof($exfile) - 1];
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$exercisePath = substr($exercisePath, 0, strpos($exercisePath, $exfile));
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$content = $file_content;
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$mit = "function Finish(){";
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$js_content = "var SaveScoreVariable = 0; // This variable included by Dokeos System\n".
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"function mySaveScore() // This function included by Dokeos System\n".
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"{\n".
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" if (SaveScoreVariable==0)\n".
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" {\n".
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" SaveScoreVariable = 1;\n".
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" if (C.ie)\n".
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" {\n".
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" document.location.href = \"".$exercisePath."savescores.php?origin=$origin&time=$time&test=".$doc_url."&uid=".$_user['user_id']."&cid=".$cid."&score=\"+Score;\n".
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" //window.alert(Score);\n".
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" }\n".
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" else\n".
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" {\n".
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" }\n".
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" }\n".
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"}\n".
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"// Must be included \n".
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"function Finish(){\n".
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" mySaveScore();";
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$newcontent = str_replace($mit, $js_content, $content);
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$prehref = "javascript:void(0);";
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$posthref = api_get_path(WEB_CODE_PATH)."main/exercise/Hpdownload.php?doc_url=".$doc_url."&cid=".$cid."&uid=".$uid;
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$newcontent = str_replace($prehref, $posthref, $newcontent);
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$prehref = "class=\"GridNum\" onclick=";
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$posthref = "class=\"GridNum\" onMouseover=";
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$newcontent = str_replace($prehref, $posthref, $newcontent);
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header('Content-length: '.strlen($newcontent));
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// Dipsp.
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echo $newcontent;
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exit();
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}
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//normal case, all non-html files
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//header('Content-length: ' . filesize($full_file_name));
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$fp = fopen($full_file_name, 'rb');
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fpassthru($fp);
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fclose($fp);
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