execute($sql);
if($result->numTuples > 0) return 0;
else return 1;
}
function authenticate_user() {
global $PHP_AUTH_USER;
/* authenticate the user */
if(! $PHP_AUTH_USER) {
// force user to authenticate
authenticate_message ();
}
else {
// Check username and password against the database
check_credentials();
}
}
function authenticate_message () {
Header("WWW-Authenticate: Basic realm=\"VFS\"");
Header("HTTP/1.0 401 Unauthorized");
print "You must authenticate to view this site\n";
exit;
}
function check_credentials() {
global $db, $PHP_AUTH_USER, $PHP_AUTH_PW, $is_administrator;
$sql = "select password, administrator from vfs_users where vfs_user='$PHP_AUTH_USER'";
$result = $db->execute($sql);
if($result->numTuples > 0) {
$db_user_password = $result->getVal(0,0);
$administrator = $result->getVal(0,1);
if(function_exists("md5")) {
$password = md5($PHP_AUTH_PW);
}
else {
$password = $PHP_AUTH_PW;
}
if($result->getVal(0,0) != $password) {
authenticate_message ();
}
else if($administrator == 't') $is_administrator = 1;
}
else authenticate_message ();
}
function first_time_setup() {
global $db;
?>
VFS - Virtual File System