AttributeAdd.php

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<?php

class sspmod_core_Auth_Process_AttributeAdd extends SimpleSAML_Auth_ProcessingFilter {

        private $replace = FALSE;


        private $attributes = array();


        public function __construct($config, $reserved) {
                parent::__construct($config, $reserved);

                assert('is_array($config)');

                foreach($config as $name => $values) {
                        if(is_int($name)) {
                                if($values === '%replace') {
                                        $this->replace = TRUE;
                                } else {
                                        throw new Exception('Unknown flag: ' . var_export($values, TRUE));
                                }
                                continue;
                        }

                        if(!is_array($values)) {
                                $values = array($values);
                        }
                        foreach($values as $value) {
                                if(!is_string($value)) {
                                        throw new Exception('Invalid value for attribute ' . $name . ': ' .
                                                var_export($values, TRUE));
                                }
                        }

                        $this->attributes[$name] = $values;
                }
        }


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

                $attributes =& $request['Attributes'];

                foreach($this->attributes as $name => $values) {
                        if($this->replace === TRUE || !array_key_exists($name, $attributes)) {
                                $attributes[$name] = $values;
                        } else {
                                $attributes[$name] = array_merge($attributes[$name], $values);
                        }
                }
        }

}