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<?php
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session_start();
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$BenutzernameSESSION = $_SESSION["Benutzername"];
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$PasswortSESSION = $_SESSION["Passwort"];
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$BenutzernamePOST = strip_tags(htmlentities($_POST["Benutzername"]));
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$PasswortPOST = strip_tags(htmlentities($_POST["Passwort"]));
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$LoggedIn = 'false';
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$sql = "SELECT * FROM `VokabelBoxUsers` WHERE `Benutzername` = '$BenutzernameSESSION' AND `Passwort` = '$PasswortSESSION'";
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$result_articles = $conn->query($sql);
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if(!mysqli_num_rows($result_articles))
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{
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$LoggedIn = 'false';
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}
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else {
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$LoggedIn = 'true';
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$Benutzername = $BenutzernameSESSION;
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$Passwort = $PasswortSESSION;
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}
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if($LoggedIn == 'false') {
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if($BenutzernamePOST == '' || $PasswortPOST == '') {
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$Benutzername = $BenutzernameSESSION;
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$Passwort = $PasswortSESSION;
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}
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else {
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$Benutzername = $BenutzernamePOST;
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$Passwort = $PasswortPOST;
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$Passwort = hash('sha512',$Passwort);
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}
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$sql = "SELECT * FROM `VokabelBoxUsers` WHERE `Benutzername` = '$Benutzername' AND `Passwort` = '$Passwort'";
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$result_articles = $conn->query($sql);
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if(!mysqli_num_rows($result_articles))
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{
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$LoggedIn = 'wrongData';
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}
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else {
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$LoggedIn = 'true';
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}
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}
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if(empty($BenutzernamePOST) && empty($PasswortPOST) && empty($BenutzernameSESSION) && empty($PasswortSESSION)) {
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$LoggedIn = 'false';
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}
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if($LoggedIn == 'false' && $_SESSION["showNoLoginInfo"] != 'true') {
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?>
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<p style="color: #FF7575;">Die VokabelBox wird am 01.07.2021 abgeschaltet. Bitte benutze den Nachfolger <a target="_blank" href="https://www.timvandenboom.de/vokspace/">VokSpace</a>.</p><br>
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<p>Bitte melde dich an, um deine Vokabeln zu sehen und zu bearbeiten.</p>
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<button class="classic-button classic-button-grey" onclick='window.location.href="login?forward=<?php print("$sitename"); ?>"'><i class="fas fa-sign-in-alt"></i> Einloggen</button>
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<?php
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}
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if($LoggedIn == 'true') {
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$sql = "SELECT * FROM `VokabelBoxUsers` WHERE `Benutzername` = '$Benutzername'";
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$result_articles = $conn->query($sql);
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while ($articleDb = mysqli_fetch_object($result_articles)) {
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$UngueltigeLogins = $articleDb->UngueltigeLogins;
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}
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if($UngueltigeLogins >= '4') {
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$LoggedIn = 'blocked';
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}
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}
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if($LoggedIn == 'true') {
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$conn->query("UPDATE `VokabelBoxUsers` SET `UngueltigeLogins` = '0' WHERE `Benutzername` = '$Benutzername'");
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$_SESSION["Benutzername"] = $Benutzername;
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$_SESSION["Passwort"] = $Passwort;
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if($BenutzernamePOST == '' || $PasswortPOST == '') {}
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else {
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$_SESSION["errorCode"] = 'loginSuccess';
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}
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}
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if($LoggedIn == 'wrongData') {
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$sql = "SELECT * FROM `VokabelBoxUsers` WHERE `Benutzername` = '$Benutzername'";
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$result_articles = $conn->query($sql);
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while ($articleDb = mysqli_fetch_object($result_articles)) {
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$UngueltigeLogins = $articleDb->UngueltigeLogins;
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}
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$UngueltigeLogins = $UngueltigeLogins + 1;
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$conn->query("UPDATE `VokabelBoxUsers` SET `UngueltigeLogins` = '$UngueltigeLogins' WHERE `Benutzername` = '$Benutzername'");
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if($UngueltigeLogins >= '4') {
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print(
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" <div class='action-feedback action-feedback-red action-feedback-permanent'>
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<i class='fas fa-times'></i>
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<p>Anzahl ungültiger Login-Versuche überschritten.<br><a href='reset-password'>Passwort zurücksetzen</a></p>
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</div>
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");
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}
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else {
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print(
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" <div class='action-feedback action-feedback-red action-feedback-permanent'>
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<i class='fas fa-times'></i>
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<p>Benutzername oder Passwort sind falsch!<br><a href='login'>Erneut versuchen</a></p>
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</div>
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");
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}
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}
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if($LoggedIn == 'blocked') {
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print(
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" <div class='action-feedback action-feedback-red action-feedback-permanent'>
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<i class='fas fa-times'></i>
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<p>Dein Konto wurde aufgrund zu vieler Anmeldeversuche gesperrt.<br><a href='service/password/forgot-password'>Passwort zurücksetzen</a></p>
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</div>
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");
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}
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$_SESSION["showNoLoginInfo"] = '';
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?>
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