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index.php
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<!--
Copyright (C) 2015 Remy van Elst
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
-->
<?php
error_reporting(E_ALL & ~E_NOTICE);
ob_start();
$write_cache = 0;
foreach (glob("functions/*.php") as $filename) {
include $filename;
}
?>
<!doctype html>
<html lang="en">
<head>
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>SSL Decoder</title>
<link rel="stylesheet" href="<?php echo(htmlspecialchars($current_folder)); ?>css/bootstrap.min.css">
<link rel="stylesheet" href="<?php echo(htmlspecialchars($current_folder)); ?>css/ssl.css">
<script src="<?php echo(htmlspecialchars($current_folder)); ?>js/jquery.min.js"></script>
<script src="<?php echo(htmlspecialchars($current_folder)); ?>js/bootstrap.min.js"></script>
<script src="<?php echo(htmlspecialchars($current_folder)); ?>js/ajax.js"></script>
</head>
<body>
<a id="top-of-page"></a>
<?php
if ( isset($_GET['host']) && !empty($_GET['host'])) {
echo '<div id="wrapper">';
$data = [];
$hostname = mb_strtolower(get($_GET['host']));
$hostname = parse_hostname($hostname);
$host = $hostname['hostname'];
$port = get($_GET['port'], '443');
if ( !is_numeric($port) ) {
$port = 443;
}
if ($hostname['multiple_ip']) {
choose_endpoint($hostname['multiple_ip'], $host, $port, $_GET['fastcheck']);
}
if($_GET['fastcheck'] == 1) {
$fastcheck = 1;
} else {
$fastcheck = 0;
}
$ip = $hostname['ip'];
$data["data"] = check_json($host,$ip,$port,$fastcheck);
if(isset($data["data"]["error"])) {
$data["error"] = $data["data"]["error"];
unset($data["data"]);
}
$chain_length = count($data["data"]["chain"]);
$chain_data = $data["data"]["chain"];
if ($chain_length >= 1 && $chain_length < 10) {
?>
<!-- Sidebar -->
<div id="sidebar-wrapper">
<nav>
<ul class="sidebar-nav">
<br>
<li class="sidebar-brand">
<h2>Navigation</h2>
</li>
<?php
if (count($data["data"]["connection"]["warning"]) >= 1) {
$warntxt = " <sup>(<strong>".htmlspecialchars(count(array_unique($data["data"]["connection"]["warning"])))."</strong>)</sup>";
}
?>
<li><a href="#conndata"><strong>0</strong>: Connection Data <?php echo $warntxt; $warntxt = ''; ?></a></li>
<?php
$menucount = 1;
foreach ($chain_data as $key => $value) {
if (count($value['warning']) >= 1) {
$warntxt = " <sup>(<strong>".htmlspecialchars(count($value['warning']))."</strong>)</sup>";
}
echo "<li><a href='#cert".(string)$key."'><strong>".htmlspecialchars($key)."</strong> : ". htmlspecialchars($value["cert_data"]["subject"]["CN"]) . $warntxt . "</a></li>";
$warntxt = "";
$menucount += 1;
}
if ($_GET['fastcheck'] == 0) {
?>
<li><a href="#ctsubmit"><strong><?php echo htmlspecialchars($menucount); ?></strong> : Certificate Transparency</a></li>
<?php
}
?>
<li><a href="<?php echo(htmlspecialchars($current_folder)); ?>">Try another website</a></li>
<li><hr></li>
<li><a href="https://certificatemonitor.org/">Certificate Expiry Monitor</a></li>
<li><a href="https://cipherli.st/">Strong Cipherlists</a></li>
<li><a href="https://raymii.org/s/tutorials/Strong_SSL_Security_On_Apache2.html">Apache SSL Tutorial</a></li>
<li><a href="https://raymii.org/s/tutorials/Strong_SSL_Security_On_nginx.html">NGINX SSL Tutorial</a></li>
<li><a href="https://raymii.org/s/tutorials/Strong_SSL_Security_On_lighttpd.html">Lighttpd SSL Tutorial</a></li>
<li><a href="https://raymii.org">Raymii.org</a></li>
</ul>
</nav>
</div>
<!-- /#sidebar-wrapper -->
<?php
}
}
if (empty($_GET['host']) && empty($_GET['csr'])) {
require_once("inc/form.php");
} else {
echo "<div id='page-content-wrapper'>";
echo "<div class='container-fluid'>";
echo "<div class='row'>";
// if ajax-ed, don't show header again
if(empty($_SERVER['HTTP_X_REQUESTED_WITH']) || strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) != 'xmlhttprequest') {
echo "<div class='col-md-10 col-md-offset-1'>";
echo "<div class='page-header'>";
echo "<h1><a style='color:black;' href=\"";
echo(htmlspecialchars($current_folder));
echo "\">SSL Decoder</a></h1>";
echo "</div>";
// set back to 1 after debugging
$write_cache = 1;
if (!is_dir('results')) {
mkdir('results');
}
$epoch = date('U');
$random_bla = md5(uniqid(rand(), true));
}
if ( !empty($host) ) {
if ( !empty($data["error"]) ) {
echo "<span class='text-danger'>" . htmlspecialchars($data["error"][0]) . "</span>";
echo "<hr>";
$write_cache = 0;
} else {
$hostfilename = preg_replace("([^\w\s\d\-_~,;:\[\]\(\).])", '', $host);
$hostfilename = preg_replace("([\.]{2,})", '', $host);
$hostfilename = preg_replace("([^a-z0-9])", '', $host);
$cache_filename = (string) "results/saved." . $hostfilename . "." . $epoch . "." . $random_bla . ".html";
$cache_filename_json = (string) "results/saved." . $hostfilename . "." . $epoch . "." . $random_bla . ".json";
echo "<p><strong>This tool does not make conclusions. Please check the data and define the validity yourself!</strong></p>";
if ($write_cache == 1) {
echo "<p>This result is saved at most 60 days on <a href=\"";
echo(htmlspecialchars($current_folder) . $cache_filename);
echo "\">the following URL</a>. Do note that this might be deleted earlier if space runs out.<br></p>";
}
echo "<script type='text/javascript'>document.title = \"" . htmlspecialchars($host) . ":" . htmlspecialchars($port) . " - SSL Decoder \"</script>";
echo "<p>Receive notifications when this certificate is about to expire with my other service, <a href='https://certificatemonitor.org/'>Certificate Monitor</a>.</p>";
// connection data
echo "<div class='content'><section id='conndata'>";
echo "<header><h2>Connection Data for " . htmlspecialchars($host) . " / " . htmlspecialchars($ip) . "</h2></header>";
ssl_conn_metadata($data["data"]["connection"], $fastcheck);
if ($_GET['fastcheck'] == 1) {
echo "<p>Fast check selected, therefore Connection Data enumeration is limited.</p>";
}
echo "</section></div>";
// certificates
foreach ($data["data"]["chain"] as $key => $value) {
echo "<div class='content'><section id='cert" . $key . "'>";
echo "<header><h2>Certificate for '". htmlspecialchars($value["cert_data"]["subject"]["CN"]) ."'</h2></header>";
cert_parse($value);
echo "</section></div>";
}
// submit to certificate transparency
if ($_GET['fastcheck'] == 0) {
echo "<div class='content'><section id='ctsubmit'>";
echo "<header><h2>Certificate Transparency Submission</h2></header>";
echo "<p><a href='http://www.certificate-transparency.org/'>Information about Certificate Transparency</a></p>";
foreach ($data["data"]['certificate_transparency'] as $ct_url => $ct_result) {
echo "<table class='table table-striped table-bordered'>";
echo "<tr><td>CT Log URL</td><td>" . htmlspecialchars($ct_url) . "</td></tr>";
if (is_array($ct_result)) {
foreach ($ct_result as $key => $value) {
if (is_bool($key)) {
$key = ($key) ? 'True' : 'False';
}
if (is_bool($value)) {
$value = ($value) ? 'True' : 'False';
}
echo "<tr><td width='20%'>" . htmlspecialchars(ucfirst(str_replace('_', ' ', $key))) . "</td><td width='80%' style='font-family:monospace;'>" . wordwrap(htmlspecialchars($value), 65, "<br />", 1) . "</td></tr>";
}
} else {
echo "<tr><td>Error</td><td>No result returned</td></tr>";
}
}
echo "</table>";
echo "</section></div>";
} else {
echo "<div class='content'><section id='ctsubmit'>";
echo "<header><h2>Certificate Transparency Submission</h2></header>";
echo "Fast check selected, therefore Certificate Transparency submission is disabled.";
echo "</section></div><p><hr></p>";
}
}
} elseif (!empty($_GET['csr']) ) {
$data = csr_parse_json($_GET['csr']);
echo "<p><strong>This tool does not make conclusions. Please check the data and define the validity yourself!</strong><br>\n </p>";
$cache_filename = (string) "results/saved.csr." . $epoch . "." . $random_bla . ".html";
$cache_filename_json = (string) "results/saved.csr." . $epoch . "." . $random_bla . ".json";
if ($write_cache == 1) {
echo "This result is saved at most 60 days on <a href=\"";
echo(htmlspecialchars($current_folder) . $cache_filename);
echo "\">the following URL</a>. Do note that this might be deleted earlier if space runs out.";
}
if (strpos($_GET['csr'], "BEGIN CERTIFICATE REQUEST") !== false) {
echo "<header><h2>Certificate Signing Request </h2></header><p>";
csr_parse($data);
} else {
echo "<header><h2>Certificate </h2></header><p>";
cert_parse($data);
}
} else {
echo "<span class='text-danger'> Host or Certificate required.</span>";
echo "<hr>";
$write_cache = 0;
}
}
echo "</div>";
echo "</div>";
echo "</div>";
require_once("inc/footer.php");
if ($write_cache == 1) {
if (!file_exists($cache_filename)) {
file_put_contents($cache_filename, ob_get_contents());
}
if (is_array($data)) {
$json_data = json_encode(utf8encodeNestedArray($data));
}
if (!file_exists($cache_filename_json)) {
file_put_contents($cache_filename_json, $json_data);
}
}
?>