/usr/share/moodle/mod/assignment/type/wims/wimsclass.php is in wims-moodle 4.0-17.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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require_once($CFG->libdir.'/datalib.php'); // for get_record(...)
/**
* The class wc_data encapsulates the format of the request necessary
* to create a Wims class.
* @author: Georges Khaznadar
*
* initialisation: wc_data($rclass,$service,$servicepass)
* parameters:
* * $rclass is the name of the class in Moodle
* * There must be a file wimshome/log/classes/.connections/$service
* * with a line defining: 'ident_password=$servicepass'
*
* an accessor: toString($html=1)
* this function outputs a string with the object's internals.
* parameters:
* $html, when true, fits the output to be displaied in a HTML page.
*
* two functions: data1() and data2()
* these functions prepare the data for the Wims class according to the
* documentation file http://wims.unice.fr/wims/?module=adm/raw&job=help
**********************************************************************/
class wc_data{
var $description;
var $institution;
var $firstname;
var $lastname;
var $supervisor;
var $email;
var $password;
var $lang;
var $expiration;
var $limit;
var $secure;
var $qclass;
var $service;
var $servicepass;
function wc_data($assignment,$service,$servicepass){
global $DB;
$this->service=$service;
$this->servicepass=$servicepass;
$this->description=rclass($assignment);
// $c1=get_record("course","id",1);
$c1=$DB->get_record("course",array("id"=>1)); //Recuperation du nom du site moodle
$this->institution=protection($c1->shortname);
$context = get_context_instance(CONTEXT_COURSE, $assignment->course);
$teacherID=3; // 3 is the id for teachers.
$users = get_role_users($teacherID, $context, true, '', 'u.lastname ASC', true);
$firstuser=array_shift($users);
$tid=$firstuser->id;
// $t=get_record("user","id",$tid);
$t=$DB->get_record("user",array("id"=>$tid));
$this->firstname=$t->firstname;
$this->lastname=$t->lastname;
$this->supervisor=$t->username;
$this->email=$t->email;
$this->password=random_string(8);
$this->lang=ereg_replace("_.*","",$t->lang);
$now=time();
$this->expiration=(date('Y',$now)+1).date('md',$now);
$this->limit="499";
$this->secure="all";
$this->qclass="";
}
function toString($html=1){
if ($html) $spacer="<br />"; else $spacer=" ";
$result="";
$result.="description = ".$this->description.$spacer;
$result.="institution = ".$this->institution.$spacer;
$result.="firstname = ".$this->firstname.$spacer;
$result.="lastname = ".$this->lastname.$spacer;
$result.="supervisor = ".$this->supervisor.$spacer;
$result.="password = ".$this->password.$spacer;
$result.="lang = ".$this->lang.$spacer;
$result.="expiration = ".$this->expiration.$spacer;
$result.="limit = ".$this->limit.$spacer;
$result.="secure = ".$this->secure.$spacer;
return $result;
}
function data1(){
$d1=array('description', 'institution', 'supervisor', 'email', 'password',
'lang', 'expiration', 'limit', 'level', 'secure',
'bgcolor', 'refcolor', 'css');
$data1="";
foreach ($d1 as $d){
if (isset($this->$d) && strlen($this->$d)>0){
$data1.=$d."=".$this->$d."\n";
}
}
return urlencode($data1);
}
function data2(){
$d2=array('lastname', 'firstname', 'useremail', 'comment', 'regnum');
$data2="";
foreach ($d2 as $d){
if (isset($this->$d) && strlen($this->$d)>0){
$data2.=$d."=".$this->$d."\n";
}
}
$data2.="password=".random_string(8)."\n";// this password will not be used
return urlencode($data2);
}
}
/**
* makes a name for the "Wims class" on Moodle's side
*/
function rclass($assignment){
global $DB;
//$c=get_record("course","id",$assignment->course); v1.9 moodle
$c=$DB->get_record("course",array("id"=>($assignment->course)));
return rclassFromCourseAndModule($c,$assignment);
}
function rclassFromCourseAndModule($c,$m){
return wimsIconv($c->shortname)."_".wimsIconv($m->name);
}
/**
* protects a worksheet's contents before calling the job addsheet
*/
function protectSheetContents($contents){
$contents=str_replace("\n",";",$contents);
$contents=str_replace("=","@",$contents);
return $contents;
}
/**
* the class workSheet encapsulates pentuples (index,title,status,rclass,qclass)
* AFAIK, the status are the following with WIMS :
* 0 = in preparation
* 1 = active worksheet
* 2 = unactive worksheet
* 3 = hidden worksheet
*/
class workSheet{
var $index;
var $title;
var $status;
var $rclass;
var $qclass;
var $rclassEnc;
/**
* the constructor
*/
function workSheet($index,$title,$status,$rclass,$qclass){
$this->index=$index;
$this->title=$title;
$this->status=$status;
$this->rclass=$rclass;
$this->qclass=$qclass;
$this->rclassEnc=urlencode($rclass);
}
/**
* @return an url to get the worksheet's file
* @param $jr : a job_raw object already initialized
*/
function getUrl($jr){
$url=$jr->url("getclassfile",
"qclass=$this->qclass&rclass=$this->rclassEnc".
"&option=sheets/.sheet".$this->index);
return $url;
}
/**
* @return an url to add the worsheet's contents to
* a wims assignment's miniclass.
* @param $assign_wims the wims assignment
* @param $forbidMD5sums an array of already present md5 sums of contents
*/
function addsheetToUrl($assign_wims, $forbidMD5sums=array()){
global $CFG;
global $DB;
$contents=$this->contents($assign_wims->jr);
$md5=md5($contents);
if (array_intersect($forbidMD5sums,array($md5))) return "";
$contents=protectSheetContents($contents);
$qclass=$assign_wims->assignment->var2;
$course= $DB->get_record("course", array("id"=>$assign_wims->cm->course));
$rclass=rclassFromCourseAndModule($course, $assign_wims->cm);
$rclassEnc=urlencode($rclass);
$parms="qclass=$qclass&rclass=$rclassEnc&data1=" .
urlencode("contents=$contents\nsheetmode=3\ntitle=$this->title\n");
$url=$assign_wims->jr->url("addsheet",$parms);
return $url;
}
/**
* @return the contents of the worksheet's file
* @param $jr : a job_raw object already initialized
*/
function contents($jr){
global $CFG;
$url=$this->getUrl($jr);
$url=urlencode($url);
$url=$CFG->wwwroot."/mod/assignment/type/wims/getsheetsource.php?url=$url";
$f=fopen($url,"r");
if($f){
$contents=fread($f,20480);
fclose($f);
} else {
$contents="";
}
return $contents;
}
}
/**
* the class wimsExam encapsulates quadruples (index,title,rclass,qclass)
* AFAIK, the status are the following with WIMS :
* 0 = in preparation
* 1 = active exam
* 2 = unactive exam
* 3 = hidden exam
*/
class wimsExam{
var $index;
var $i;
var $title;
var $rclass;
var $qclass;
var $rclassEnc;
/**
* the constructor
*/
function wimsExam($index,$title,$rclass,$qclass){
$this->index=$index;
$this->i=substr($index,4,255); // the number after "exam"
$this->title=$title;
$this->rclass=$rclass;
$this->qclass=$qclass;
$this->rclassEnc=urlencode($rclass);
}
function wimsButton($user){
$result="here should be button to access the exam ".$this->title;
print "debug user:<pre>";print_r($user->lastname);; print "</pre>";
return $result;
}
}
/**
* converts utf8 strings for WIMS
* @param s the input string
* @return a string recoded for Wims
*/
function wimsIconv($s,$mode="forth"){
$r=$s;
$wims_is_not_utf8=TRUE;
if($wims_is_not_utf8 && function_exists('iconv')){
if ($mode=="forth") $r=iconv('UTF-8','ISO8859-1',$s);
else $r=iconv('ISO8859-1','UTF-8',$s); // $mode=='back' for instance
}
return protection($r);
}
/********
* protects some names which are not allowable as an rclass for Wims
* @param $s input string
* @return the protected string
*/
function protection($s){
for ($i=0; $i<strlen($s); $i++){
if (strstr("- ',;.:!=+",$s[$i])) $s[$i]="_";
}
return $s;
}
?>
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