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Apr 22nd, 2017
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  1. <?php
  2. session_start();
  3. $verhalten = 0;
  4. $host="";
  5. $password="";
  6. $db="";
  7.  
  8. if(!isset($_SESSION["username"]) and !isset($_GET["page"])) {
  9. $verhalten = 0;
  10. }
  11. if (isset($_GET["page"]) && ($_GET["page"]) == "log") {
  12. /*
  13. $user = $_POST["user"];
  14. $passwort = $_POST["passwort"];
  15. */
  16. $user = strtolower ($_POST["user"]);
  17. $passwort = md5 ($_POST["passwort"]);
  18.  
  19. $verbindung = mysqli_connect("$host" , "$db", "$password")
  20. or die ("404 Datenbankfehler, Login nicht möglich...");
  21.  
  22. mysqli_select_db("$db")
  23. or die ("404 Datenbankfehler, Verbindung nicht möglich...");
  24.  
  25. $control = 0;
  26. $abfrage = "SELECT * FROM login WHERE user = '$user' AND passwort = '$passwort'";
  27. $ergebnis = mysql_query($abfrage);
  28. while($row = mysql_fetch_object($ergebnis))
  29. {
  30. $control++;
  31. }
  32.  
  33.  
  34. if ($control != 0) {
  35. $_SESSION["username"] = $user;
  36. $verhalten = 1;
  37. } else {
  38. $verhalten = 2;
  39. }
  40. }
  41. ?>
  42. <!DOCTYPE html>
  43. <html >
  44. <head>
  45. <meta charset="UTF-8">
  46. <title>ZKM Login</title>
  47. <link rel="stylesheet" href="css/style.css">
  48. <?php
  49. if ($verhalten == 1) {
  50. ?>
  51. <meta http-equiv="refresh" content="3; URL=zkm.php">
  52. <?php
  53. }
  54. ?>
  55. </head>
  56. <body>
  57. <?php
  58. if ($verhalten == 0) {
  59. ?>
  60. <body class="align">
  61.  
  62. <div class="grid">
  63.  
  64. <form method="post" action="index.php?page=log" class="form login">
  65. <center><a href="http://web-alpha.eu"><img src="images/logo.png" alt="Bild" /></a></center>
  66. <br>
  67. <header class="login__header">
  68. <h3 class="login__title">ZKM Login</h3>
  69. </header>
  70. <div class="login__body">
  71.  
  72. <div class="form__field">
  73. <input type="email" name="user" placeholder="Kundennummer" required/>
  74. </div>
  75.  
  76. <div class="form__field">
  77. <input type="password" name="passwort" placeholder="Passwort" required/>
  78. </div>
  79.  
  80. </div>
  81.  
  82. <footer class="login__footer">
  83. <input type="submit" name="einloggen" />
  84. <?php
  85. }
  86. if ($verhalten == 1) {
  87. ?>
  88. Sie haben sich erfolgreich eingeloggt und werden jetzt weitergeleitet...
  89. <?php
  90. }
  91. if ($verhalten == 2) {
  92. ?>
  93. Passwort oder Benutzername falsch, <a href="index.php">zurück</a>
  94. <?php
  95. }
  96. ?>
  97.  
  98. </footer>
  99.  
  100. </form>
  101.  
  102. </div>
  103.  
  104. </body>
  105.  
  106.  
  107. </body>
  108. </html>
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