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Add missing auth file

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Klaus-Uwe Mitterer 2017-10-05 14:42:46 +02:00
parent 942d66fa9f
commit bb811b3b46
1 changed files with 65 additions and 0 deletions
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auth.php Normal file
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<?php
if (!isset($status))
die('Direct access not allowed.');
include_once("config.php");
$conn = new mysqli($servername, $username, $password, $dbname);
if ($conn->connect_error)
die("Connection failed: " . $conn->connect_error);
$realm = 'GPS Tracker';
if (empty($_SERVER['PHP_AUTH_DIGEST'])) {
header('HTTP/1.1 401 Unauthorized');
header('WWW-Authenticate: Digest realm="'.$realm.
'",qop="auth",nonce="'.uniqid().'",opaque="'.md5($realm).'"');
die('Authentication failed.');
}
if (!($data = http_digest_parse($_SERVER['PHP_AUTH_DIGEST']))) {
header('HTTP/1.1 401 Unauthorized');
header('WWW-Authenticate: Digest realm="'.$realm. '",qop="auth",nonce="'.uniqid().'",opaque="'.md5($realm).'"');
die ('Authentication failed.');
}
$sql = "SELECT password FROM users WHERE user='" . mysqli_real_escape_string($conn, $data['username']) . "';";
$result = $conn->query($sql);
if ($result->num_rows != 1) {
header('HTTP/1.1 401 Unauthorized');
header('WWW-Authenticate: Digest realm="'.$realm. '",qop="auth",nonce="'.uniqid().'",opaque="'.md5($realm).'"');
die('Authentication failed.');
}
$A1 = md5($data['username'] . ':' . $realm . ':' . $result->fetch_assoc()['password']);
$A2 = md5($_SERVER['REQUEST_METHOD'].':'.$data['uri']);
$valid_response = md5($A1.':'.$data['nonce'].':'.$data['nc'].':'.$data['cnonce'].':'.$data['qop'].':'.$A2);
if ($data['response'] != $valid_response) {
header('HTTP/1.1 401 Unauthorized');
header('WWW-Authenticate: Digest realm="'.$realm. '",qop="auth",nonce="'.uniqid().'",opaque="'.md5($realm).'"');
die('Authentication failed.');
}
function http_digest_parse($txt) {
$needed_parts = array('nonce'=>1, 'nc'=>1, 'cnonce'=>1, 'qop'=>1, 'username'=>1, 'uri'=>1, 'response'=>1);
$data = array();
$keys = implode('|', array_keys($needed_parts));
preg_match_all('@(' . $keys . ')=(?:([\'"])([^\2]+?)\2|([^\s,]+))@', $txt, $matches, PREG_SET_ORDER);
foreach ($matches as $m) {
$data[$m[1]] = $m[3] ? $m[3] : $m[4];
unset($needed_parts[$m[1]]);
}
return $needed_parts ? false : $data;
}
?>