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<?php /* -*- Mode: php; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
include_once("convert.php");
class User {
public $userid;
public $password;
public $modules;
public function checkPassword($password) {
return $this->password == sha1(md5($password));
}
public function setPassword($oldpassword, $password1, $password2) {
if($this->checkPassword($oldpassword) == false) { // Doublecheck the validity of the user.
echo "<p>Current password is incorrect!</p>\n";
return 1;
}
if($password1 != $password2) { // Check if passowrds match.
echo "<p>Passwords do not match!</p>\n";
return 1;
}
echo "<p>Password updated successfully!</p>\n";
$this->password = sha1(md5($password1));
return 0;
}
public function checkModule($module)
{
if($this->modules == "*") return true;
if($this->modules == "") return false;
$modulelist = explode(" ", $this->modules);
return in_array($module, $modulelist);
return true;
}
public function User($userid, $password, $modules)
{
$this->userid = $userid;
$this->password = $password;
$this->modules = $modules;
}
}
class Users {
private $file;
private $users = array();
public function add($user) {
$key = $user->userid;
$this->users[$key] = $user;
}
public function write()
{
$fp = fopen($this->file, "w");
fwrite($fp, "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");
fwrite($fp, "<users>\n");
foreach($this->users as $user) {
fwrite($fp, " <user userid=\"" .
htmlspecialchars($user->userid, ENT_QUOTES, "UTF-8") . "\"\n");
fwrite($fp, " password=\"" . $user->password . "\"\n");
fwrite($fp, " modules=\"" . $user->modules . "\">\n");
fwrite($fp, " </user>\n");
}
fwrite($fp, "</users>\n");
fclose($fp);
}
public function deleteUser($userid)
{
if($userid != "admin") {
if($this->users[$userid]) {
unset($this->users[$userid]);
$this->write();
} else {
echo "<p>ERROR: User! <em>".$userid."</em> does not exist!</p>\n";
return false;
}
} else {
echo "<p>ERROR: You cannot delete the admin user!</p>\n";
return false;
}
return true;
}
public function findUser($userid)
{
$user = $this->users[$userid];
return $user;
}
public function useridList()
{
$useridlist = array();
foreach($this->users as $user) {
array_push($useridlist, $user->userid);
}
return $useridlist;
}
private function read()
{
$dom = new DomDocument;
$dom->preserveWhiteSpace = FALSE;
$dom->load($this->file);
$params = $dom->getElementsByTagName('user');
foreach ($params as $param) {
$user = new User($param->getAttribute('userid'),
$param->getAttribute('password'),
$param->getAttribute('modules'));
$this->add($user);
}
}
public function Users($file)
{
$this->file = $file;
$this->read();
}
}
?>
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