Authentication and privileges

Collaboration diagram for Authentication and privileges:

Modules
	User groups
	Privileges
	Users
Data Structures
class	access
	Class used to check the user privileges. More...
class	authentication
	Class used to check user login/logout actions. More...

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Detailed Description

Authentication

The login/logout actions are checked before rendering the document. This work is carried out by the authentication class.

Privileges

Methods and functionality may be protected setting some access privileges. Access to such functionality is then granted if the user belongs to a group having such privileges. Who checks if the user may access the protected content is the access class.

Some general privileges exists by default (public view, private view, admin view, admin manage). The specific privileges depends on the module itself and are stored in the database table 'sys_privileges'.