M5 A1 6)
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46
M5/emensa/models/benutzer.php
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46
M5/emensa/models/benutzer.php
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<?php
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/**
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* Diese Datei enthält alle SQL Statements für die Tabelle "benutzer"
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*/
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function anmelden(string $email, string $passwort)
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{
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$link = connectdb();
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$sql = "SELECT * FROM benutzer WHERE (`email` = '$email')";
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$result = $link->query($sql);
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$row = $result->fetch_assoc();
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if ($row['passwort'] == NULL) {
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$row = 0;
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}
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elseif ($row['passwort'] == $passwort) {
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session_start();
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mysqli_begin_transaction($link);
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$sql = "UPDATE benutzer SET letzteanmeldung = current_time, anzahlfehler = 0 WHERE email = '$email'";
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$link->query($sql);
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$sql = "UPDATE benutzer SET anzahlanmeldungen = anzahlanmeldungen + 1 WHERE id = ".$row['id'];
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$link->query($sql);
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mysqli_commit($link);
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$_SESSION['uid'] = session_id();
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$_SESSION['login'] = 1;
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$_SESSION['name'] = $row['name'];
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$_SESSION['email'] = $row['email'];
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return 1;
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}
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else {
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mysqli_begin_transaction($link);
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$sql = "UPDATE benutzer SET anzahlfehler = anzahlfehler+1, letzterfehler = current_time WHERE email = '$email'";
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$link->query($sql);
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mysqli_commit($link);
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}
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return 0;
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}
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