<?php

header('Content-Type: text/plain');

if (@file_exists("1und1.txt") == true)
    @unlink("1und1.txt");

$URL = "https://account.1und1.de/";
$ch  = curl_init();

curl_setopt($ch, CURLOPT_URL, $URL);
curl_setopt($ch, CURLOPT_COOKIEJAR, '1und1.txt');
curl_setopt($ch, CURLOPT_COOKIEFILE, '1und1.txt');
curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/5.0 (Windows NT 6.1; WOW64; rv:35.0) Gecko/20100101 Firefox/35.0');
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_HEADER, 0);
curl_setopt($ch, CURLOPT_VERBOSE, true);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);

$page = curl_exec($ch);

$page = str_replace("\n",'', $page);
$page = str_replace("\r",'', $page);

$count = preg_match_all('/<input type="hidden"\s*name="([^"]*)"\s*value="([^"]*)"/i', $page, $hiddenFields);

$postFields = array();

for ($i = 0; $i < $count; ++$i) {
    $postFields[$hiddenFields[1][$i]] = $hiddenFields[2][$i];
}

$count = preg_match_all('/<input type="hidden" id="login-form-fp"\s*name="([^"]*)"\s*value="([^"]*)"/i', $page, $hiddenFields);

for ($i = 0; $i < $count; ++$i) {
    $postFields[$hiddenFields[1][$i]] = $hiddenFields[2][$i];
}

$postFields['oaologin.username'] = '78615911';
$postFields['oaologin.password'] = 'Andreas100!';
$postFields['oaologin.fp'] = '';
$postFields['__sendingdata'] = '1';
$postFields['__lf'] = 'Login';

$post = '';

foreach($postFields as $key => $value) {
    $post .= $key . '=' . urlencode($value) . '&';
}

$post = substr($post, 0, -1);
echo $post;
curl_setopt($ch, CURLOPT_URL, $URL);
curl_setopt($ch, CURLOPT_REFERER, $URL);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_HEADER, 1);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($ch, CURLOPT_USERAGENT, "Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:1.9.0.6) Gecko/2009011913 Firefox/3.0.6 (.NET CLR 3.5.30729)");
curl_setopt($ch, CURLOPT_COOKIEJAR, '1und1.txt');
curl_setopt($ch, CURLOPT_COOKIEFILE, '1und1.txt');
curl_setopt($ch, CURLOPT_VERBOSE, true);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $post);

$page = curl_exec($ch); // make request
echo $page;
if (stristr($page, "HTTP/1.1 302 Found")) {
    echo "Login OK!";
} else {
    echo "Login WRONG!";
}

curl_close($ch);