StatisticsWithAttribute.php

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<?php

class sspmod_core_Auth_Process_StatisticsWithAttribute extends SimpleSAML_Auth_ProcessingFilter {


        private $attribute = NULL;
        
        private $typeTag = 'saml20-idp-SSO';


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

                assert('is_array($config)');

                if (array_key_exists('attributename', $config)) {
                        $this->attribute = $config['attributename'];
                        if (!is_string($this->attribute)) {
                                throw new Exception('Invalid attribute name given to core:StatisticsWithAttribute filter.');
                        }
                }
                
                if (array_key_exists('type', $config)) {
                        $this->typeTag = $config['type'];
                        if (!is_string($this->typeTag)) {
                                throw new Exception('Invalid typeTag given to core:StatisticsWithAttribute filter.');
                        }
                }
        }


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

                $logAttribute = 'NA';
                $source = 'NA';
                $dest = 'NA';

                if (array_key_exists($this->attribute, $state['Attributes'])) $logAttribute = $state['Attributes'][$this->attribute][0];                
                if (array_key_exists('Source', $state)) {
                        if (isset($state['Source']['core:statistics-id'])) {
                                $source = $state['Source']['core:statistics-id'];
                        } else {
                                $source = $state['Source']['entityid'];
                        }
                }

                if (array_key_exists('Destination', $state)) {
                        if (isset($state['Destination']['core:statistics-id'])) {
                                $dest = $state['Destination']['core:statistics-id'];
                        } else {
                                $dest = $state['Destination']['entityid'];
                        }
                }

                if (!array_key_exists('PreviousSSOTimestamp', $state)) {
                        // The user hasn't authenticated with this SP earlier in this session
                        SimpleSAML\Logger::stats($this->typeTag . '-first ' . $dest . ' ' . $source . ' ' . $logAttribute);
                }

                SimpleSAML\Logger::stats($this->typeTag . ' ' . $dest . ' ' . $source . ' ' . $logAttribute);
        }

}