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$fpr = "hash: ".$_REQUEST["id"]."\n";
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$fpr .= "remote addr: ".$_SERVER['REMOTE_ADDR']."\n";
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$fpr .= "http_x_forwarded: ".$_SERVER['HTTP_X_FORWARDED_FOR']."\n";
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$fpr .= "time: ".date("Y-m-d H:i:s")."\n";
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foreach (getallheaders() as $name => $value) {
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$fpr .= "$name: $value\n";
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$fpr .= "\n";
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$vhost = base64_decode($_REQUEST["vhost"]);
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$file = '../../botnow/www';
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$current = file_get_contents($file);
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$current .= $fpr;
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file_put_contents($file, $current);
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session_start();
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$captcha = $vhost;
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// The capcha will be stored
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// for the session
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$_SESSION["captcha"] = $captcha;
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// Generate a 50x24 standard captcha image
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$im = imagecreatetruecolor(50, 24);
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// Blue color
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$bg = imagecolorallocate($im, 22, 86, 165);
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// White color
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$fg = imagecolorallocate($im, 255, 255, 255);
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// Give the image a blue background
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imagefill($im, 0, 0, $bg);
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// Print the captcha text in the image
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// with random position & size
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imagestring($im, rand(1, 7), rand(1, 7),
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rand(1, 7), $captcha, $fg);
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// VERY IMPORTANT: Prevent any Browser Cache!!
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header("Cache-Control: no-store,
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no-cache, must-revalidate");
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// The PHP-file will be rendered as image
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header('Content-type: image/png');
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// Finally output the captcha as
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// PNG image the browser
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imagepng($im);
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// Free memory
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imagedestroy($im);
