Collaboration diagram for ilLDAPRoleGroupMapping:

Public Member Functions
	getInfoStrings ($a_obj_id, $a_check_type=false)
	Get info string for object If check info type is enabled this function will check if the info string is visible in the repository.
	assign ($a_role_id, $a_usr_id)
	This method is typically called from class RbacAdmin::assignUser() It checks if there is a role mapping and if the user has auth mode LDAP After these checks the user is assigned to the LDAP group.
	deleteRole ($a_role_id)
	Delete role.
	deassign ($a_role_id, $a_usr_id)
	This method is typically called from class RbacAdmin::deassignUser() It checks if there is a role mapping and if the user has auth mode LDAP After these checks the user is deassigned from the LDAP group.
	deleteUser ($a_usr_id)
	Delete user => deassign from all ldap groups.

Static Public Member Functions
static	_getInstance ()
	Get singleton instance of this class.

Private Member Functions
	__construct ()
	Singleton contructor.
	initServers ()
	Check if there is any active server with.
	isHandledRole ($a_role_id)
	Check if a role is handled or not.
	isHandledUser ($a_usr_id)
	Check if user is ldap user.
	assignToGroup ($a_role_id, $a_usr_id)
	Assign user to group.
	deassignFromGroup ($a_role_id, $a_usr_id)
	Deassign user from group.
	isMember ($a_uid, $data)
	Check if user is member.
	checkOtherMembership ($a_usr_id, $a_role_id, $a_data)
	Check other membership.
	storeMembers ($a_mapping_id, $a_data)
	Store Members.
	readDN ($a_usr_id, $a_server_id)
	Read DN of user.
	getLDAPQueryInstance ($a_server_id, $a_url)
	Get LDAPQueryInstance.

Private Attributes
	$log = null
	$servers = null
	$mappings = array()
	$mapping_members = array()
	$query = array()
	$active_servers = false

Static Private Attributes
static	$instance = null

Detailed Description

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

Version: $Id$

Definition at line 34 of file class.ilLDAPRoleGroupMapping.php.

Constructor & Destructor Documentation

ilLDAPRoleGroupMapping::__construct ( )

private

Singleton contructor.

private

Definition at line 50 of file class.ilLDAPRoleGroupMapping.php.

References $ilLog, and initServers().

        {
                global $ilLog;
                
                $this->log = $ilLog;
                $this->initServers();
        }

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Member Function Documentation

static ilLDAPRoleGroupMapping::_getInstance ( )

static

Get singleton instance of this class.

public

Definition at line 64 of file class.ilLDAPRoleGroupMapping.php.

References $instance.

Referenced by ilRbacAdmin\assignUser(), ilRbacAdmin\assignUserLimited(), ilRbacAdmin\deassignUser(), ilObjUser\delete(), ilRbacAdmin\deleteRole(), ilObjectListGUI\ilObjectListGUI(), and ilInfoScreenGUI\showLDAPRoleGroupMappingInfo().

        {
                if(is_object(self::$instance))
                {
                        return self::$instance; 
                }
                return self::$instance = new ilLDAPRoleGroupMapping();
        }

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ilLDAPRoleGroupMapping::assign	(	$a_role_id,
		$a_usr_id
	)

This method is typically called from class RbacAdmin::assignUser() It checks if there is a role mapping and if the user has auth mode LDAP After these checks the user is assigned to the LDAP group.

public

Parameters

Definition at line 116 of file class.ilLDAPRoleGroupMapping.php.

References assignToGroup(), isHandledRole(), and isHandledUser().

        {
                // return if there nothing to do
                if(!$this->active_servers)
                {
                        return false;
                }
                
                if(!$this->isHandledRole($a_role_id))
                {
                        return false;
                }
                if(!$this->isHandledUser($a_usr_id))
                {
                        $this->log->write('LDAP assign: User ID: '.$a_usr_id.' has no LDAP account');
                        return false;
                }
                $this->log->write('LDAP assign: User ID: '.$a_usr_id.' Role Id: '.$a_role_id);
                $this->assignToGroup($a_role_id,$a_usr_id);
                return true;
        }

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ilLDAPRoleGroupMapping::assignToGroup	(	$a_role_id,
		$a_usr_id
	)

private

Assign user to group.

private

Parameters

int	role_id
int	user_id

Definition at line 295 of file class.ilLDAPRoleGroupMapping.php.

References getLDAPQueryInstance(), and readDN().

Referenced by assign().

        {
                foreach($this->mappings[$a_role_id] as $data)
                {
                        try
                        {
                                if($data['isdn'])
                                {
                                        $external_account = $this->readDN($a_usr_id,$data['server_id']);
                                }
                                else
                                {
                                        $external_account = $this->users[$a_usr_id];
                                }
                                
                                // Forcing modAdd since Active directory is too slow and i cannot check if a user is member or not.
                                #if($this->isMember($external_account,$data))
                                #{
                                #       $this->log->write("LDAP assign: User already assigned to group '".$data['dn']."'");
                                #}
                                #else
                                {
                                        // Add user
                                        $query_obj = $this->getLDAPQueryInstance($data['server_id'],$data['url']);
                                        $query_obj->modAdd($data['dn'],array($data['member'] => $external_account));
                                        $this->log->write('LDAP assign: Assigned '.$external_account.' to group '.$data['dn']);         
                                }                               
                        }
                        catch(ilLDAPQueryException $exc)
                        {
                                $this->log->write($exc->getMessage());
                                // try next mapping
                                continue;
                        }                       
                }
        }

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ilLDAPRoleGroupMapping::checkOtherMembership	(	$a_usr_id,
		$a_role_id,
		$a_data
	)

private

Check other membership.

private

Returns: string role name

Definition at line 440 of file class.ilLDAPRoleGroupMapping.php.

Referenced by deassignFromGroup().

        {
                global $rbacreview,$ilObjDataCache;
                
                foreach($this->mappings as $role_id => $tmp_data)
                {
                        foreach($tmp_data as $data)
                        {
                                if($role_id == $a_role_id)
                                {
                                        continue;
                                }
                                if($data['server_id'] != $a_data['server_id'])
                                {
                                        continue;
                                }
                                if($data['dn'] != $a_data['dn'])
                                {
                                        continue;
                                }
                                if($rbacreview->isAssigned($a_usr_id,$role_id))
                                {
                                        return $ilObjDataCache->lookupTitle($role_id);
                                }
                        }
                }
                return false;
                
        }

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ilLDAPRoleGroupMapping::deassign	(	$a_role_id,
		$a_usr_id
	)

This method is typically called from class RbacAdmin::deassignUser() It checks if there is a role mapping and if the user has auth mode LDAP After these checks the user is deassigned from the LDAP group.

public

Parameters

Definition at line 180 of file class.ilLDAPRoleGroupMapping.php.

References deassignFromGroup(), isHandledRole(), and isHandledUser().

Referenced by deleteRole(), and deleteUser().

        {
                // return if there notzing to do
                if(!$this->active_servers)
                {
                        return false;
                }
                if(!$this->isHandledRole($a_role_id))
                {
                        return false;
                }
                if(!$this->isHandledUser($a_usr_id))
                {
                        return false;
                }
                $this->log->write('LDAP deassign: User ID: '.$a_usr_id.' Role Id: '.$a_role_id);
                $this->deassignFromGroup($a_role_id,$a_usr_id);
                
                return true;
        }

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ilLDAPRoleGroupMapping::deassignFromGroup	(	$a_role_id,
		$a_usr_id
	)

private

Deassign user from group.

private

Parameters

int	role_id
int	user_id

Definition at line 340 of file class.ilLDAPRoleGroupMapping.php.

References checkOtherMembership(), getLDAPQueryInstance(), and readDN().

Referenced by deassign().

        {
                foreach($this->mappings[$a_role_id] as $data)
                {
                        try
                        {
                                if($data['isdn'])
                                {
                                        $external_account = $this->readDN($a_usr_id,$data['server_id']);
                                }
                                else
                                {
                                        $external_account = $this->users[$a_usr_id];
                                }
                                
                                // Check for other role membership
                                if($role_id = $this->checkOtherMembership($a_usr_id,$a_role_id,$data))
                                {
                                        $this->log->write('LDAP deassign: User is still assigned to role "'.$role_id.'".');
                                        continue;
                                }
                                /*
                                if(!$this->isMember($external_account,$data))
                                {
                                        $this->log->write("LDAP deassign: User not assigned to group '".$data['dn']."'");
                                        continue;
                                }
                                */
                                // Deassign user
                                $query_obj = $this->getLDAPQueryInstance($data['server_id'],$data['url']);
                                $query_obj->modDelete($data['dn'],array($data['member'] => $external_account));
                                $this->log->write('LDAP deassign: Deassigned '.$external_account.' from group '.$data['dn']);
                                
                                // Delete from cache
                                if(is_array($this->mapping_members[$data['mapping_id']]))
                                {
                                        $key = array_search($external_account,$this->mapping_members[$data['mapping_id']]);
                                        if($key or $key === 0)
                                        {
                                                unset($this->mapping_members[$data['mapping_id']]);
                                        }
                                }
                                
                        }
                        catch(ilLDAPQueryException $exc)
                        {
                                $this->log->write($exc->getMessage());
                                // try next mapping
                                continue;
                        }                       
                }       
        }

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ilLDAPRoleGroupMapping::deleteRole ( $a_role_id )

Delete role.

This function triggered from ilRbacAdmin::deleteRole It deassigns all user from the mapped ldap group.

public

Parameters

int role id

Definition at line 148 of file class.ilLDAPRoleGroupMapping.php.

References deassign(), and isHandledRole().

        {
                global $rbacreview;
                
                // return if there nothing to do
                if(!$this->active_servers)
                {
                        return false;
                }
                
                if(!$this->isHandledRole($a_role_id))
                {
                        return false;
                }
                
                foreach($rbacreview->assignedUsers($a_role_id) as $usr_id)
                {
                        $this->deassign($a_role_id,$usr_id);
                }
                return true;
        }

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ilLDAPRoleGroupMapping::deleteUser ( $a_usr_id )

Delete user => deassign from all ldap groups.

public

Parameters

int user id

Definition at line 207 of file class.ilLDAPRoleGroupMapping.php.

References deassign().

        {
                foreach($this->mappings as $role_id => $data)
                {
                        $this->deassign($role_id,$a_usr_id);
                }
                return true;            
        }

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ilLDAPRoleGroupMapping::getInfoStrings	(	$a_obj_id,
		$a_check_type = `false`
	)

Get info string for object If check info type is enabled this function will check if the info string is visible in the repository.

public

Parameters

int	object id
bool	check info type

Definition at line 82 of file class.ilLDAPRoleGroupMapping.php.

        {
                if(!$this->active_servers)
                {
                        return false;
                }
                if($a_check_type)
                {
                        if(isset($this->mapping_info_strict[$a_obj_id]) and is_array($this->mapping_info_strict[$a_obj_id]))
                        {
                                return $this->mapping_info_strict[$a_obj_id];
                        }
                }
                else
                {
                        if(isset($this->mapping_info[$a_obj_id]) and is_array($this->mapping_info[$a_obj_id]))
                        {
                                return $this->mapping_info[$a_obj_id];
                        }
                        
                }
                return false;
        }

ilLDAPRoleGroupMapping::getLDAPQueryInstance	(	$a_server_id,
		$a_url
	)

private

Get LDAPQueryInstance.

private

Parameters

@throws ilLDAPQueryException

Definition at line 571 of file class.ilLDAPRoleGroupMapping.php.

References IL_LDAP_BIND_ADMIN.

Referenced by assignToGroup(), deassignFromGroup(), isMember(), and readDN().

        {
                include_once 'Services/LDAP/classes/class.ilLDAPQuery.php';
                if(array_key_exists($a_server_id,$this->query) and 
                        array_key_exists($a_url,$this->query[$a_server_id]) and 
                        is_object($this->query[$a_server_id][$a_url]))
                {
                        return $this->query[$a_server_id][$a_url];
                }
                try
                {
                        $tmp_query = new ilLDAPQuery($this->servers[$a_server_id],$a_url);
                        $tmp_query->bind(IL_LDAP_BIND_ADMIN);
                }
                catch(ilLDAPQueryException $exc)
                {
                        throw $exc;
                }
                return $this->query[$a_server_id][$a_url] = $tmp_query;
        }

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ilLDAPRoleGroupMapping::initServers ( )

private

Check if there is any active server with.

private

Parameters

Definition at line 224 of file class.ilLDAPRoleGroupMapping.php.

References ilLDAPRoleGroupMappingSettings\_getAllActiveMappings(), ilObjUser\_getExternalAccountsByAuthMode(), ilLDAPServer\_getRoleSyncServerIds(), and ilLDAPRoleGroupMappingSettings\MAPPING_INFO_ALL.

Referenced by __construct().

        {
                $server_ids = ilLDAPServer::_getRoleSyncServerIds();
                
                if(!count($server_ids))
                {
                        return false;
                }
                
                // Init servers
                include_once('Services/LDAP/classes/class.ilLDAPRoleGroupMappingSettings.php');
                
                $this->active_servers = true;
                $this->mappings = array();
                foreach($server_ids as $server_id)
                {
                        $this->servers[$server_id]  = new ilLDAPServer($server_id);
                        $this->mappings = ilLDAPRoleGroupMappingSettings::_getAllActiveMappings();
                }
                $this->mapping_info = array();
                $this->mapping_info_strict = array();
                foreach($this->mappings as $mapping)
                {
                        foreach($mapping as $key => $data)
                        {
                                if(strlen($data['info']) and $data['object_id'])
                                {
                                        $this->mapping_info[$data['object_id']][] = $data['info'];
                                }
                                if(strlen($data['info']) && ($data['info_type'] == ilLDAPRoleGroupMappingSettings::MAPPING_INFO_ALL))
                                {
                                        $this->mapping_info_strict[$data['object_id']][] = $data['info'];
                                }
                        }
                }
                $this->users = ilObjUser::_getExternalAccountsByAuthMode('ldap',true);
                
                return true;
        }

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ilLDAPRoleGroupMapping::isHandledRole ( $a_role_id )

private

Check if a role is handled or not.

private

Parameters

int role_id

Returns: int server id or 0 if mapping exists

Definition at line 272 of file class.ilLDAPRoleGroupMapping.php.

Referenced by assign(), deassign(), and deleteRole().

        {
                return array_key_exists($a_role_id,$this->mappings);
        }

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ilLDAPRoleGroupMapping::isHandledUser ( $a_usr_id )

private

Check if user is ldap user.

private

Definition at line 282 of file class.ilLDAPRoleGroupMapping.php.

Referenced by assign(), and deassign().

        {
                return array_key_exists($a_usr_id,$this->users);
        }

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ilLDAPRoleGroupMapping::isMember	(	$a_uid,
		$data
	)

private

Check if user is member.

private

Exceptions

ilLDAPQueryException

Definition at line 399 of file class.ilLDAPRoleGroupMapping.php.

References $res, $server, getLDAPQueryInstance(), IL_LDAP_SCOPE_BASE, and storeMembers().

        {
                if(!isset($this->mapping_members["$data[mapping_id]"]))
                {
                        // Read members
                        try
                        {
                                $server = $this->servers["$data[server_id]"];
                                $query_obj = $this->getLDAPQueryInstance($data['server_id'],$server->getUrl());
                                // query for members
                                $res = $query_obj->query($data['dn'],
                                        '(objectClass=*)',
                                        IL_LDAP_SCOPE_BASE,
                                        array($data['member']));
                                
                                $this->storeMembers($data['mapping_id'],$res->get());
                                unset($res);
                        }
                        catch(ilLDAPQueryException $exc)
                        {
                                throw $exc;
                        }
                }
                #var_dump("<pre>",$a_uid,$this->mapping_members,"</pre>");
                
                // Now check for membership in stored result
                if(in_array($a_uid,$this->mapping_members["$data[mapping_id]"]))
                {
                        return true;
                }
                return false;
        }

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ilLDAPRoleGroupMapping::readDN	(	$a_usr_id,
		$a_server_id
	)

private

Read DN of user.

private

Parameters

int	user id
int	server id

Exceptions

ilLDAPQueryException

Definition at line 507 of file class.ilLDAPRoleGroupMapping.php.

References $res, $server, and getLDAPQueryInstance().

Referenced by assignToGroup(), and deassignFromGroup().

        {
                if(isset($this->user_dns[$a_usr_id]))
                {
                        return $this->user_dns[$a_usr_id];
                }
                
                $external_account = $this->users[$a_usr_id];
                
                try
                {
                        $server = $this->servers[$a_server_id];
                        $query_obj = $this->getLDAPQueryInstance($a_server_id,$server->getUrl());
                                                
                        if($search_base = $server->getSearchBase())
                        {
                                $search_base .= ',';
                        }
                        $search_base .= $server->getBaseDN();
                        
                        // try optional group user filter first
                        if($server->isMembershipOptional() and $server->getGroupUserFilter())
                        {
                                $userFilter = $server->getGroupUserFilter();
                        }
                        else
                        {
                                $userFilter = $server->getFilter();
                        }
                        $filter = sprintf('(&(%s=%s)%s)',
                                $server->getUserAttribute(),
                                $external_account,
                                $userFilter);
                        $res = $query_obj->query($search_base,$filter,$server->getUserScope(),array('dn'));
                        
                        if(!$res->numRows())
                        {
                                include_once('Services/LDAP/classes/class.ilLDAPQueryException.php');
                                throw new ilLDAPQueryException(__METHOD__.' cannot find dn for user '.$external_account);
                        }
                        if($res->numRows() > 1)
                        {
                                include_once('Services/LDAP/classes/class.ilLDAPQueryException.php');
                                throw new ilLDAPQueryException(__METHOD__.' found multiple distinguished name for: '.$external_account);
                        }
                        
                        $data = $res->get();
                        return $this->user_dns[$a_usr_id] = $data['dn'];
                }
                catch(ilLDAPQueryException $exc)
                {
                        throw $exc;
                }
        }

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ilLDAPRoleGroupMapping::storeMembers	(	$a_mapping_id,
		$a_data
	)

private

Store Members.

private

Definition at line 476 of file class.ilLDAPRoleGroupMapping.php.

Referenced by isMember().

        {
                $this->mapping_members[$a_mapping_id] = array();
                foreach($a_data as $field => $value)
                {
                        if(strtolower($field) == 'dn')
                        {
                                continue;
                        }
                        
                        if(!is_array($value))
                        {
                                $this->mapping_members[$a_mapping_id][] = $value;
                                continue;
                        }
                        foreach($value as $external_account)
                        {
                                $this->mapping_members[$a_mapping_id][] = $external_account;
                        }
                }
                return true;
        }