melder/admin/password.php

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<?php
/** *****************************
* Ideenmelder
* Autor: Walter Hupfeld, Hamm
* E-Mail: info@hupfeld-software.de
* Version: 1.0
* Datum: 18.05.2021
******************************** */
session_start();
$dbFilename="../db/locations.db";
require ("../config.php");
$strLoginName=(isset($_SESSION['user'])) ? $_SESSION['user'] : "" ;
$boolLogin = (!empty($strLoginName));
if (!$boolLogin) {
header("Location: login.php");
}
$boolError=false;
if (isset($_POST['password1']) && isset($_POST['password2']) && isset($_POST['username']) ) {
if($_POST['csrf'] !== $_SESSION['csrf_token']) {
die("Ungültiger Token");
}
$strPassword=trim($_POST['password1']);
$strPassword2=trim($_POST['password2']);
if ($strPassword==$strPassword2) {
$strUsername=$_POST['username'];
$strPasswordHash = password_hash($strPassword,PASSWORD_BCRYPT);
$strSQL="UPDATE user SET passwordhash = :passwordhash WHERE username=:username";
$stmt = $db->prepare($strSQL);
$stmt->bindValue(':username', $strUsername);
$stmt->bindValue(':passwordhash', $strPasswordHash);
$stmt->execute();
if ($stmt) {
header("Location: index.php");
} else {
$boolError=true;
}
} else $boolError=true;
}
?>
<!DOCTYPE html>
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<html lang="de">
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<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link rel="stylesheet" href="../css/bootstrap.min.css" />
<link href="../css/font-awesome.min.css" rel="stylesheet">
<script src="../js/jquery.min.js"></script>
<title>Passwort ändern</title>
<style>
.leftlabel { width: 13em;}
input[type="text"] { width: 16em;}
input.wide {width: 24em;}
</style>
</head>
<body>
<!-- Navbar -->
<nav class="navbar navbar-expand-md navbar-dark bg-dark fixed-top">
<a class="navbar-brand" href="#">Administration <?= $strTitle ?></a>
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbars" aria-controls="navbars" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbars">
<ul class="navbar-nav mr-auto">
<li class="nav-item">
<a class="nav-link" href="index.php">Liste <span class="sr-only">(current)</span></a>
</li>
<li class="nav-item">
<a class="nav-link" href="configuration.php">Konfiguration </a>
</li>
<li class="nav-item">
<a class="nav-link" href="export.php">Export </a>
</li>
<li class="nav-item active">
<a class="nav-link" href="password.php">Passwort ändern </a>
</li>
</ul>
<div>
<ul class="navbar-nav mr-auto right">
<li class="nav-item">
<a class="nav-link" href="logout.php">Logout (<?=$strLoginName?>)</a>
</li>
</ul>
</div>
</nav>
<!-- Ende Navbar -->
<div class="container" style="margin-top:5em;">
<h2>Passwort ändern</h2>
<div class="row">
<div class="col-md-7 col-lg-7">
<br>
<?php if ($boolError): ?>
<div class="alert alert-danger">
<strong>Fehler!</strong> Password konnte nicht geändert werden!
</div> <br>
<div class="card">
<?php endif; ?>
<div class="card-header">
<h3>Dateneingabe</h3>
</div>
<form id="login" action="<?=$_SERVER['PHP_SELF']?>" method="post">
<div class="card-body">
<label class="leftlabel">Nutzername: </label>
<input type="text" name="username" id="username" value="<?=$strLoginName?>" readonly ><br>
<label class="leftlabel">Passwort (mind. 8 Zeichen): </label>
<input type="password" name="password1" id="password1" value="" minlength="8" required><br>
<label class="leftlabel">Passwort (Wdh.): </label>
<input type="password" name="password2" id="password2" value="" minlength="8" required><br><br>
<label class="leftlabel">&nbsp;</label>
<input type="hidden" name="csrf" value="<?=$_SESSION['csrf_token']?>">
<button type="submit" class="btn btn-primary">Passwort ändern</button>
</div>
</form>
</div>
<br>
</div>
</div>
</div>
<script>
$('#myform').submit(function(e){
password1 = $("#password1").val();
password2 = $("#password2").val();
if (password1.length==0 && password2.legthn==0) {
return true;
}
if (password1==password2) {
return true;
} else {
alert("Passwörter nicht gleich");
return false;
e.preventDefault();
}
});
</script>
</body>
</html>