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';
 
    private $skipPassive = false;
 
 
    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.');
            }
        }
 
        if (array_key_exists('skipPassive', $config)) {
            $this->skipPassive = (bool) $config['skipPassive'];
        }
    }
 
 
    public function process(&$state)
    {
        assert(is_array($state));
        assert(array_key_exists('Attributes', $state));
 
        $logAttribute = 'NA';
        $isPassive = '';
 
        if (array_key_exists('isPassive', $state) && $state['isPassive'] === true) {
            if ($this->skipPassive === true) {
                // We have a passive request. Skip logging statistics
                return;
            }
            $isPassive = 'passive-';
        }
 
        if (array_key_exists($this->attribute, $state['Attributes'])) {
            $logAttribute = $state['Attributes'][$this->attribute][0];
        }
 
        $source = $this->setIdentifier('Source', $state);
        $dest = $this->setIdentifier('Destination', $state);
 
        if (!array_key_exists('PreviousSSOTimestamp', $state)) {
            // The user hasn't authenticated with this SP earlier in this session
            SimpleSAML\Logger::stats($isPassive.$this->typeTag.'-first '.$dest.' '.$source.' '. $logAttribute);
        }
 
        SimpleSAML\Logger::stats($isPassive.$this->typeTag.' '.$dest.' '.$source.' '.$logAttribute);
        }
 
    private function setIdentifier($direction, $state)
    {
        if (array_key_exists($direction, $state)) {
            if (isset($state[$direction]['core:statistics-id'])) {
                return $state[$direction]['core:statistics-id'];
            } else {
                return $state[$direction]['entityid'];
            }
        }
        return 'NA';
    }
}