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Captha-Bypass #50

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1 change: 1 addition & 0 deletions Dockerfile
Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,7 @@ RUN apt-get install -y \
php-mysql \
php-odbc \
php-phpdbg \
php-gd \
php-sqlite3
RUN apt-get install apache2 libapache2-mod-php -y
RUN apt-get install mariadb-common mariadb-server mariadb-client -y
Expand Down
8 changes: 8 additions & 0 deletions app/lab/captcha-bypass/captcha-bypass1/en.ini
Original file line number Diff line number Diff line change
@@ -0,0 +1,8 @@
title="Captcha Bypass"
message="Send Us Your Message"
name="Name-Surname"
sendmessage="Forward Message"
captcha="Captcha"
submit="Send"
basarili="Congratulations, verification successful!"
basarisiz="Verification failed, you are late."
8 changes: 8 additions & 0 deletions app/lab/captcha-bypass/captcha-bypass1/fr.ini
Original file line number Diff line number Diff line change
@@ -0,0 +1,8 @@
title="Captcha Bypass"
message="Envoyez-nous Votre Message"
name="Prénom - nom de famille"
sendmessage="Transférer le mMessage"
captcha="Captcha"
submit="Envoyer"
basarili="Félicitations, vérification réussie !"
basarisiz="La vérification a échoué, vous êtes en retard"
94 changes: 94 additions & 0 deletions app/lab/captcha-bypass/captcha-bypass1/index.php
Original file line number Diff line number Diff line change
@@ -0,0 +1,94 @@
<?php
require("../../../lang/lang.php");
$strings = tr();

session_start();

$message = '';

$num1 = rand(1, 10);
$num2 = rand(1, 10);
$sum = $num1 + $num2;

if ($_SERVER["REQUEST_METHOD"] == "POST") {
$captchaAnswer = $_POST['captcha'];
$num1_posted = $_POST['num1'];
$num2_posted = $_POST['num2'];
$time_loaded = $_SESSION['time_loaded'];

$time_now = time();
$time_diff = $time_now - $time_loaded;

if ($time_diff < 3 && $captchaAnswer == ($num1_posted + $num2_posted)) {
$message = "basarili";
} else {
$message = "basarisiz";
$num1 = rand(1, 10);
$num2 = rand(1, 10);
$sum = $num1 + $num2;
}
}

$imageText = "$num1 + $num2 = ?";
$image = imagecreatetruecolor(120, 40);
$bgColor = imagecolorallocate($image, 255, 255, 255);
$textColor = imagecolorallocate($image, 0, 0, 0);
imagefilledrectangle($image, 0, 0, 120, 40, $bgColor);
imagestring($image, 5, 10, 12, $imageText, $textColor);

ob_start();
imagepng($image);
$imageData = ob_get_clean();
imagedestroy($image);
?>

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css">
<title>Captcha Bypass</title>
<style>
body {
align-items: center;
justify-content: center;
height: 100vh;
background-color: #f8f9fa;
}
.login-form {
display: flex;
flex-direction: column;
max-width: 400px;
width: 100%;
margin: auto;
}
</style>
</head>
<body>
<div class="login-form">
<h2 class="text-center mb-4"><?php echo $strings['message']; ?></h2>
<form method="post">
<div class="form-group">
<label for="username"><?php echo $strings['name']; ?></label>
<input type="text" class="form-control" id="username" name="username" placeholder="..." required>
</div>
<div class="form-group">
<label for="customMessage"><?php echo $strings['sendmessage']; ?></label>
<textarea class="form-control col" id="customMessage" name="customMessage" rows="3" placeholder="..." required></textarea>
</div>
<div class="form-group">
<label for="captcha"><?php echo $strings['captcha']; ?> <br></label>
<img src="data:image/png;base64,<?php echo base64_encode($imageData); ?>" alt="Captcha Image"><br><br>
<input type="hidden" name="num1" value="<?php echo $num1; ?>">
<input type="hidden" name="num2" value="<?php echo $num2; ?>">
<?php $_SESSION['time_loaded'] = time(); ?>
<input type="text" class="form-control" id="captcha" name="captcha">
</div>
<button type="submit" class="btn btn-primary btn-block"><?php echo $strings['submit']; ?></button>
<p class="mt-3"><?php echo $strings[$message]; ?></p>
</form>
</div>
<script id="VLBar" title="<?= $strings["title"]; ?>" category-id="13" src="/public/assets/js/vlnav.min.js"></script>
</body>
</html>
8 changes: 8 additions & 0 deletions app/lab/captcha-bypass/captcha-bypass1/tr.ini
Original file line number Diff line number Diff line change
@@ -0,0 +1,8 @@
title="Captcha Bypass"
message="Mesajınızı Bize İletin"
name="Ad-Soyad"
sendmessage="Mesaj İlet"
captcha="Captcha"
submit="Gönder"
basarili="Tebrikler, doğrulama başarılı!"
basarisiz="Doğrulama başarısız, geç kaldın."
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