@classDescription CAS authentication More...

Inheritance diagram for ilAuthContainerCAS:

Collaboration diagram for ilAuthContainerCAS:

Public Member Functions
	__construct ()

	forceAuthentication ($username, $status, $auth)
	Force CAS authentication. More...

	loginObserver ($a_username, $a_auth)

	fetchData ($a_username, $a_password, $isChallengeResponse=false)

Protected Member Functions
	handleLDAPDataSource ($a_auth, $ext_account)
	Handle ldap as data source. More...

	initCAS ()

Protected Attributes
	$server_version = null

	$server_hostname = null

	$server_port = null

	$server_uri = null

Detailed Description

@classDescription CAS authentication

Author: Stefan Meyer meyer.nosp@m.@lei.nosp@m.fos.c.nosp@m.om

Version: $Id$

Definition at line 14 of file class.ilAuthContainerCAS.php.

Constructor & Destructor Documentation

◆ __construct()

ilAuthContainerCAS::__construct ( )

Definition at line 24 of file class.ilAuthContainerCAS.php.

    {
        parent::__construct();
        $this->initCAS();
    }

References initCAS().

Here is the call graph for this function:

Member Function Documentation

◆ fetchData()

ilAuthContainerCAS::fetchData	(	$a_username,
		$a_password,
		$isChallengeResponse = `false`
	)

Returns: bool

Parameters

string	$a_username
string	$a_password
bool	$isChallengeResponse,[optional]

Definition at line 194 of file class.ilAuthContainerCAS.php.

    {
        global $PHPCAS_CLIENT,$ilLog;
        
        $ilLog->write(__METHOD__ . ': Fetch Data called');
        return $PHPCAS_CLIENT->isAuthenticated();
    }

References $ilLog.

◆ forceAuthentication()

ilAuthContainerCAS::forceAuthentication	(	$username,
		$status,
		$auth
	)

Force CAS authentication.

Returns

Parameters

object	$username
object	$status
object	$auth

Definition at line 37 of file class.ilAuthContainerCAS.php.

    {
        global $PHPCAS_CLIENT,$ilLog;
        
        if (!$PHPCAS_CLIENT->isAuthenticated()) {
            $PHPCAS_CLIENT->forceAuthentication();
        }
    }

References $ilLog.

◆ handleLDAPDataSource()

ilAuthContainerCAS::handleLDAPDataSource	(	$a_auth,
		$ext_account
	)

protected

Handle ldap as data source.

Parameters

Auth	$auth
string	$ext_account

Definition at line 146 of file class.ilAuthContainerCAS.php.

    {
        include_once './Services/LDAP/classes/class.ilLDAPServer.php';
        $server = ilLDAPServer::getInstanceByServerId(
            ilLDAPServer::getDataSource(AUTH_CAS)
        );
 
        $GLOBALS['ilLog']->write(__METHOD__ . ' Using ldap data source for user: ' . $ext_account);
 
        include_once './Services/LDAP/classes/class.ilLDAPUserSynchronisation.php';
        $sync = new ilLDAPUserSynchronisation('cas', $server->getServerId());
        $sync->setExternalAccount($ext_account);
        $sync->setUserData(array());
        #$sync->forceCreation($this->force_creation);
        // TODO: Check this
        $sync->forceCreation(true);
 
        try {
            $internal_account = $sync->sync();
        } catch (UnexpectedValueException $e) {
            $GLOBALS['ilLog']->write(__METHOD__ . ': Login failed with message: ' . $e->getMessage());
            $a_auth->status = AUTH_WRONG_LOGIN;
            $a_auth->logout();
            return false;
        } catch (ilLDAPSynchronisationForbiddenException $e) {
            // No syncronisation allowed => create Error
            $GLOBALS['ilLog']->write(__METHOD__ . ': Login failed with message: ' . $e->getMessage());
            $a_auth->status = AUTH_CAS_NO_ILIAS_USER;
            $a_auth->logout();
            return false;
        } catch (ilLDAPAccountMigrationRequiredException $e) {
            $GLOBALS['ilLog']->write(__METHOD__ . ': Starting account migration.');
            $a_auth->logout();
            ilUtil::redirect('ilias.php?baseClass=ilStartUpGUI&cmdClass=ilstartupgui&cmd=showAccountMigration');
        }
        $a_auth->setAuth($internal_account);
        return true;
    }

References $GLOBALS, $server, $sync, AUTH_CAS, AUTH_CAS_NO_ILIAS_USER, ilLDAPServer\getDataSource(), ilLDAPServer\getInstanceByServerId(), and ilUtil\redirect().

Referenced by loginObserver().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ initCAS()

ilAuthContainerCAS::initCAS ( )

protected

Definition at line 202 of file class.ilAuthContainerCAS.php.

    {
        global $ilSetting;
        
        include_once("./Services/CAS/lib/CAS.php");
 
        $this->server_version = CAS_VERSION_2_0;
        $this->server_hostname = $ilSetting->get('cas_server');
        $this->server_port = (int) $ilSetting->get('cas_port');
        $this->server_uri = (string) $ilSetting->get('cas_uri');
        
        phpCAS::setDebug();
        phpCAS::client(
            $this->server_version,
            $this->server_hostname,
            $this->server_port,
            $this->server_uri
        );
        phpCAS::setNoCasServerValidation();
    }

References $ilSetting, CAS_VERSION_2_0, phpCAS\client(), phpCAS\setDebug(), and phpCAS\setNoCasServerValidation().

Referenced by __construct().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ loginObserver()

ilAuthContainerCAS::loginObserver	(	$a_username,
		$a_auth
	)

See also: ilAuthContainerBase::loginObserver()

Definition at line 49 of file class.ilAuthContainerCAS.php.

    {
        global $ilias, $rbacadmin, $ilSetting,$ilLog,$PHPCAS_CLIENT;
        
        $ilLog->write(__METHOD__ . ': Successful CAS login.');
 
        // Radius with ldap as data source
        include_once './Services/LDAP/classes/class.ilLDAPServer.php';
        if (ilLDAPServer::isDataSourceActive(AUTH_CAS)) {
            return $this->handleLDAPDataSource($a_auth, $a_username);
        }
        
        include_once("./Services/CAS/lib/CAS.php");
        if ($PHPCAS_CLIENT->getUser() != "") {
            $username = $PHPCAS_CLIENT->getUser();
            $ilLog->write(__METHOD__ . ': Username: ' . $username);
 
            // Authorize this user
            include_once('./Services/User/classes/class.ilObjUser.php');
            $local_user = ilObjUser::_checkExternalAuthAccount("cas", $username);
 
            if ($local_user != "") {
                $a_auth->setAuth($local_user);
            } else {
                if (!$ilSetting->get("cas_create_users")) {
                    $a_auth->status = AUTH_CAS_NO_ILIAS_USER;
                    $a_auth->logout();
                    return false;
                }
                
                $userObj = new ilObjUser();
                
                $local_user = ilAuthUtils::_generateLogin($username);
                
                $newUser["firstname"] = $local_user;
                $newUser["lastname"] = "";
                
                $newUser["login"] = $local_user;
                
                // set "plain md5" password (= no valid password)
                $newUser["passwd"] = "";
                $newUser["passwd_type"] = IL_PASSWD_CRYPTED;
                                
                //$newUser["gender"] = "m";
                $newUser["auth_mode"] = "cas";
                $newUser["ext_account"] = $username;
                $newUser["profile_incomplete"] = 1;
                
                // system data
                $userObj->assignData($newUser);
                $userObj->setTitle($userObj->getFullname());
                $userObj->setDescription($userObj->getEmail());
            
                // set user language to system language
                $userObj->setLanguage($ilSetting->get("language"));
                
                // Time limit
                $userObj->setTimeLimitOwner(7);
                $userObj->setTimeLimitUnlimited(1);
                $userObj->setTimeLimitFrom(time());
                $userObj->setTimeLimitUntil(time());
                                
                // Create user in DB
                $userObj->setOwner(0);
                $userObj->create();
                $userObj->setActive(1);
                
                $userObj->updateOwner();
                
                //insert user data in table user_data
                $userObj->saveAsNew();
                
                // setup user preferences
                $userObj->writePrefs();
                
                // to do: test this
                $rbacadmin->assignUser($ilSetting->get('cas_user_default_role'), $userObj->getId(), true);
                unset($userObj);
                
                $a_auth->setAuth($local_user);
                return true;
            }
        } else {
            $ilLog->write(__METHOD__ . ': Login failed.');
 
            // This should never occur unless CAS is not configured properly
            $a_auth->status = AUTH_WRONG_LOGIN;
            return false;
        }
        return false;
    }