ACL Technique in Joomla!

Revision as of 04:36, 24 August 2012

A technical overview of how Access Control is implemented in Joomla!.

The #__assets table

TODO: describe the Assets database table. Fields, layout and purpose. Also see: Fixing the assets table

JTableAsset

TODO: describe the methods of JTableAsset, a JTableNested. Also see: http://docs.joomla.org/JTableAsset and subpages

JAccessRule and JAccessRules

TODO: describe the methods of AccessRule and JAccessRules Also see: deprecated docs.joomla.org/JRule, docs.joomla.org/JRules and subpages

JAccess

TODO: describe the (static) methods and (static) properties of JAccess Also see: http://docs.joomla.org/JAccess and subpages

Users, Usergroups and View Access Levels

Also see: http://docs.joomla.org/Access_Control_System_In_Joomla_1.6

JUser authorisation methods and properties

TODO: describe the authorisation methods and properties of JUser: authorise(), authorisedLevels(), getAuthorisedCategories(), getAuthorisedGroups(), getAuthorisedViewLevels(), $_authActions, $_authGroups, $_authLevels Also see: http://docs.joomla.org/JUser and subpages

JTable methods and properties for storing access permissions

TODO: describe the JTable methods and properties for storing access permissions: getRules(), setRules(), etc. http://docs.joomla.org/JTable is only for 1.5 and lacks those new methods and properties

access.xml

TODO: describe the use of the access.xml file

How it all comes together

TODO: describe how the above parts are used together in a workflow

Further reading

More information on Joomla!'s Access Control can be found on the following pages:

• General information and use: Access Control List/1.6-2.5/Tutorial
• Tutorial how to use it in your component: Developing a Model-View-Controller Component/2.5/Adding ACL

Contributors

• Herman Peeren