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152 lines
4.4 KiB
152 lines
4.4 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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/**
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* Code
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*/
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session_cache_limiter('public');
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require_once '../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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$doc_url=str_replace(array('../','\\..','\\0','..\\'),array('','','',''),urldecode($_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': $content_type='application/x-gzip'; break;
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case 'zip': $content_type='application/zip'; break;
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case 'pdf': $content_type='application/pdf'; break;
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case 'png': $content_type='image/png'; break;
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case 'gif': $content_type='image/gif'; break;
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case 'jpg': $content_type='image/jpeg'; break;
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case 'txt': $content_type='text/plain'; break;
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case 'htm': $content_type='text/html'; break;
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case 'html': $content_type='text/html'; break;
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default: $content_type='application/octet-stream'; break;
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}
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header('Content-disposition: filename='.$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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$dir=str_replace(array('\\',$_configuration['root_sys']."courses/".$_course['path'].'/document'),array('/',''),$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($fp);
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//$file_content = api_replace_parameter($dir, $file_content, "src");
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//$file_content = api_replace_parameter($dir, $file_content, "href");
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/*
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//parse line per line
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$file_content_array = file($full_file_name);
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foreach($file_content_array as $line)
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{
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$line = api_replace_parameter($dir, $line, "src");
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$line = api_replace_parameter($dir, $line, "href");
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$file_content .= $line;
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}
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*/
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$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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$exercisePath = $exercisePath;
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$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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$posthref=$_configuration['root_web']."main/exercice/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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?>
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