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Trac Permissions

Trac uses a simple but flexible permission system to control what users can and can't access.

Permission privileges are managed using the trac-admin tool.

Regular visitors, non-authenticated users, accessing the system are assigned the default role (user) named anonymous. Assign permissions to the anonymous user to set privileges for non-authenticated/guest users.

In addition to these privileges users can be granted additional individual rights in effect when authenticated and logged into the system.

Available Privileges

To enable all privileges for a user, use the TRAC_ADMIN permission. Having TRAC_ADMIN is like being root on a *NIX system, it will let you do anything you want.

Otherwise, individual privileges can be assigned to users for the various different functional areas of Trac:

Repository Browser

`BROWSER_VIEW`	View directory listings in the repository browser
`LOG_VIEW`	View revision logs of files and directories in the repository browser
`FILE_VIEW`	View files in the repository browser
`CHANGESET_VIEW`	View repository check-ins

Ticket System

`TICKET_VIEW`	View existing tickets and perform ticket queries
`TICKET_CREATE`	Create new tickets
`TICKET_APPEND`	Add comments or attachments to tickets
`TICKET_CHGPROP`	Modify ticket properties
`TICKET_MODIFY`	Includes both `TICKET_APPEND` and `TICKET_CHGPROP`, and in addition allows resolving tickets
`TICKET_ADMIN`	All `TICKET_*` permissions, plus the deletion of ticket attachments.

Roadmap

`MILESTONE_VIEW`	View a milestone
`MILESTONE_CREATE`	Create a new milestone
`MILESTONE_MODIFY`	Modify existing milestones
`MILESTONE_DELETE`	Delete milestones
`MILESTONE_ADMIN`	All `MILESTONE_*` permissions
`ROADMAP_VIEW`	View the roadmap page
`ROADMAP_ADMIN`	Alias for `MILESTONE_ADMIN` (deprecated)

Reports

`REPORT_VIEW`	View reports
`REPORT_SQL_VIEW`	View the underlying SQL query of a report
`REPORT_CREATE`	Create new reports
`REPORT_MODIFY`	Modify existing reports
`REPORT_DELETE`	Delete reports
`REPORT_ADMIN`	All `REPORT_*` permissions

Wiki System

`WIKI_VIEW`	View existing wiki pages
`WIKI_CREATE`	Create new wiki pages
`WIKI_MODIFY`	Change wiki pages
`WIKI_DELETE`	Delete wiki pages and attachments
`WIKI_ADMIN`	All `WIKI_` permissions, plus the management of readonly* pages.

Others

`TIMELINE_VIEW`	View the timeline page
`SEARCH_VIEW`	View and execute search queries
`CONFIG_VIEW`	Enables additional pages on About Trac that show the current configuration or the list of installed plugins

Granting Privileges

Currently the only way to grant privileges to users is by using the trac-admin script. The current set of privileges can be listed with the following command:

  $ trac-admin /path/to/projenv permission list

This command will allow the user bob to delete reports:

  $ trac-admin /path/to/projenv permission add bob REPORT_DELETE

Permission Groups

Permissions can be grouped together to form roles such as developer, admin, etc.

  $ trac-admin /path/to/projenv permission add developer WIKI_ADMIN
  $ trac-admin /path/to/projenv permission add developer REPORT_ADMIN
  $ trac-admin /path/to/projenv permission add developer TICKET_MODIFY
  $ trac-admin /path/to/projenv permission add bob developer
  $ trac-admin /path/to/projenv permission add john developer