class.ilAuthProviderFactory.php

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<?php

/* Copyright (c) 1998-2010 ILIAS open source, Extended GPL, see docs/LICENSE */

class ilAuthProviderFactory
{
        private $logger = null;
        
        
        public function __construct()
        {
                $this->logger = ilLoggerFactory::getLogger('auth');
        }
        
        public function getLogger()
        {
                return $this->logger;
        }
        
        public function getProviders(ilAuthCredentials $credentials)
        {
                // Fixed provider selection;
                if(strlen($credentials->getAuthMode()))
                {
                        $this->getLogger()->debug('Returning fixed provider for auth mode: ' . $credentials->getAuthMode());
                        return array(
                                $this->getProviderByAuthMode($credentials, $credentials->getAuthMode())
                        );
                }
                
                include_once './Services/Authentication/classes/class.ilAuthModeDetermination.php';
                $auth_determination = ilAuthModeDetermination::_getInstance();
                $sequence = $auth_determination->getAuthModeSequence($credentials->getUsername());
                
                $providers = array();
                foreach((array) $sequence as $position => $authmode)
                {
                        $provider = $this->getProviderByAuthMode($credentials, $authmode);
                        if($provider instanceof ilAuthProviderInterface)
                        {
                                $providers[] = $provider;
                        }
                }
                return $providers;
        }
        
        public function getProviderByAuthMode(ilAuthCredentials $credentials, $a_authmode)
        {
                switch((int) $a_authmode)
                {
                        case AUTH_LDAP:
                                $ldap_info = explode('_', $a_authmode);
                                $this->getLogger()->debug('Using ldap authentication with credentials ');
                                include_once './Services/LDAP/classes/class.ilAuthProviderLDAP.php';
                                return new ilAuthProviderLDAP($credentials, $ldap_info[1]);
                        
                        case AUTH_LOCAL:
                                $this->getLogger()->debug('Using local database authentication');
                                include_once './Services/Authentication/classes/Provider/class.ilAuthProviderDatabase.php';
                                return new ilAuthProviderDatabase($credentials);
                                
                        case AUTH_APACHE:
                                $this->getLogger()->debug('Using apache authentication.');
                                include_once './Services/AuthApache/classes/class.ilAuthProviderApache.php';
                                return new ilAuthProviderApache($credentials);

                        case AUTH_CAS:
                                $this->getLogger()->debug('Using CAS authentication');
                                include_once './Services/CAS/classes/class.ilAuthProviderCAS.php';
                                return new ilAuthProviderCAS($credentials);

                        case AUTH_RADIUS:
                                $this->getLogger()->debug('Using radius authentication.');
                                include_once './Services/Radius/classes/class.ilAuthProviderRadius.php';
                                return new ilAuthProviderRadius($credentials);
                                
                        case AUTH_SHIBBOLETH:
                                $this->getLogger()->debug('Using shibboleth authentication.');
                                include_once './Services/AuthShibboleth/classes/class.ilAuthProviderShibboleth.php';
                                return new ilAuthProviderShibboleth($credentials);
                                
                        case AUTH_ECS:
                                $this->getLogger()->debug('Using ecs authentication.');
                                include_once './Services/WebServices/ECS/classes/class.ilAuthProviderECS.php';
                                return new ilAuthProviderECS($credentials);
                                
                }
                return null;
        }
        
}
?>