+ if ((isset($_SERVER['HTTP_AUTHORIZATION'])
+ && strlen($_SERVER['HTTP_AUTHORIZATION'])
+ && strtolower(substr($_SERVER['HTTP_AUTHORIZATION'], 0, 5)) != 'oauth')
+ || (isset($_SERVER['REDIRECT_HTTP_AUTHORIZATION'])
+ && strlen($_SERVER['REDIRECT_HTTP_AUTHORIZATION'])
+ && strtolower(substr($_SERVER['REDIRECT_HTTP_AUTHORIZATION'], 0, 5)) != 'oauth')
+ ) {
+ //work around bug https://bugs.php.net/bug.php?id=68168
+ //#68168: HTTP Basic auth reported as "signature_method_rejected"
+ throw new \OAuthException(
+ 'No oauth auth header', OAUTH_PARAMETER_ABSENT
+ );
+ }