SmartName.php

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<?php

class sspmod_smartattributes_Auth_Process_SmartName extends SimpleSAML_Auth_ProcessingFilter {

        private $attributes = array();


        private function getFullName($attributes) {
                if (isset($attributes['displayName']))
                        return $attributes['displayName'][0];
                
                if (isset($attributes['cn'])) {
                        if (count(explode(' ', $attributes['cn'][0])) > 1)
                                return $attributes['cn'][0];
                }
                
                if (isset($attributes['sn']) && isset($attributes['givenName']))
                        return $attributes['givenName'][0] . ' ' . $attributes['sn'][0];

                if (isset($attributes['cn']))
                        return $attributes['cn'][0];

                if (isset($attributes['sn']))
                        return $attributes['sn'][0];

                if (isset($attributes['givenName']))
                        return $attributes['givenName'][0];
                
                if (isset($attributes['eduPersonPrincipalName'])) {
                        $localname = $this->getLocalUser($attributes['eduPersonPrincipalName'][0]);
                        if (isset($localname)) return $localname;
                }               
                
                return NULL;
        }
        
        private function getLocalUser($userid) {
                if (strpos($userid, '@') === FALSE) return NULL;
                $decomposed = explode('@', $userid);
                if(count($decomposed) === 2) {
                        return $decomposed[0];
                }
                return NULL;
        }

        public function process(&$request) {
                assert('is_array($request)');
                assert('array_key_exists("Attributes", $request)');

                $attributes =& $request['Attributes'];
                
                $fullname = $this->getFullName($attributes);
                
                if(isset($fullname)) $request['Attributes']['smartname-fullname'] = array($fullname);
                
        }

}