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Generated: Tue Jul 31 15:22:01 2007 from httpauth03bad.php 2006/03/06 1.6 KB bytes.
<?php // third try httpauth03bad.php $realm = 'Restricted area'; //user => password $users = array('admin' => 'mypass', 'guest' => 'guest'); if ( !isset($_SERVER['PHP_AUTH_DIGEST']) || empty($_SERVER['PHP_AUTH_DIGEST']) ) { header('HTTP/1.1 401 Unauthorized'); header('WWW-Authenticate: Digest realm="'.$realm. '" qop="auth" nonce="'.uniqid(rand(), true).'" opaque="'.md5($realm).'"'); die('Text to send if user hits Cancel button'); } // analyze the PHP_AUTH_DIGEST variable if (!($data = http_digest_parse($_SERVER['PHP_AUTH_DIGEST'])) || !isset($users[$data['username']])) die('Wrong Credentials!'); // generate the valid response $A1 = md5($data['username'] . ':' . $realm . ':' . $users[$data['username']]); $A2 = md5($_SERVER['REQUEST_METHOD'].':'.$data['uri']); $valid_response = md5($A1.':'.$data['nonce'].':'.$data['nc'].':'.$data['cnonce'].':'.$data['qop'].':'.$A2); if ($data['response'] != $valid_response) die('Wrong Credentials!'); // ok, valid username & password echo 'Your are logged in as: ' . $data['username']; // function to parse the http auth header function http_digest_parse($txt) { // protect against missing data $needed_parts = array('nonce'=>1, 'nc'=>1, 'cnonce'=>1, 'qop'=>1, 'username'=>1, 'uri'=>1, 'response'=>1); $data = array(); preg_match_all('@(\w+)=([\'"]?)([a-zA-Z0-9=./\_-]+)\2@', $txt, $matches, PREG_SET_ORDER); foreach ($matches as $m) { $data[$m[1]] = $m[3]; unset($needed_parts[$m[1]]); } return $needed_parts ? false : $data; } ?>