65 lines
2.4 KiB
PHP
65 lines
2.4 KiB
PHP
<?php
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if (!isset($status))
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die('Direct access not allowed.');
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include_once("config.php");
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$conn = new mysqli($servername, $username, $password, $dbname);
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if ($conn->connect_error)
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die("Connection failed: " . $conn->connect_error);
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$realm = 'GPS Tracker';
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if (empty($_SERVER['PHP_AUTH_DIGEST'])) {
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header('HTTP/1.1 401 Unauthorized');
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header('WWW-Authenticate: Digest realm="'.$realm.
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'",qop="auth",nonce="'.uniqid().'",opaque="'.md5($realm).'"');
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die('Authentication failed.');
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}
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if (!($data = http_digest_parse($_SERVER['PHP_AUTH_DIGEST']))) {
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header('HTTP/1.1 401 Unauthorized');
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header('WWW-Authenticate: Digest realm="'.$realm. '",qop="auth",nonce="'.uniqid().'",opaque="'.md5($realm).'"');
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die ('Authentication failed.');
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}
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$sql = "SELECT password FROM users WHERE user='" . mysqli_real_escape_string($conn, $data['username']) . "';";
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$result = $conn->query($sql);
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if ($result->num_rows != 1) {
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header('HTTP/1.1 401 Unauthorized');
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header('WWW-Authenticate: Digest realm="'.$realm. '",qop="auth",nonce="'.uniqid().'",opaque="'.md5($realm).'"');
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die('Authentication failed.');
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}
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$A1 = md5($data['username'] . ':' . $realm . ':' . $result->fetch_assoc()['password']);
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$A2 = md5($_SERVER['REQUEST_METHOD'].':'.$data['uri']);
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$valid_response = md5($A1.':'.$data['nonce'].':'.$data['nc'].':'.$data['cnonce'].':'.$data['qop'].':'.$A2);
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if ($data['response'] != $valid_response) {
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header('HTTP/1.1 401 Unauthorized');
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header('WWW-Authenticate: Digest realm="'.$realm. '",qop="auth",nonce="'.uniqid().'",opaque="'.md5($realm).'"');
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die('Authentication failed.');
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}
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function http_digest_parse($txt) {
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$needed_parts = array('nonce'=>1, 'nc'=>1, 'cnonce'=>1, 'qop'=>1, 'username'=>1, 'uri'=>1, 'response'=>1);
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$data = array();
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$keys = implode('|', array_keys($needed_parts));
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preg_match_all('@(' . $keys . ')=(?:([\'"])([^\2]+?)\2|([^\s,]+))@', $txt, $matches, PREG_SET_ORDER);
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foreach ($matches as $m) {
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$data[$m[1]] = $m[3] ? $m[3] : $m[4];
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unset($needed_parts[$m[1]]);
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}
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return $needed_parts ? false : $data;
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}
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?>
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