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02/23/08 22:54:25 (10 years ago)
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  • TracPermissions

    v1 v1  
     1= Trac Permissions = 
     2[[TracGuideToc]] 
     3 
     4Trac uses a simple, case sensitive, permission system to control what users can and can't access. 
     5 
     6Permission privileges are managed using the [TracAdmin trac-admin] tool or the ''General / Permissions'' panel in the ''Admin'' web interface. 
     7 
     8In addition to the default permission policy described in this page, it is possible to activate additional permission policies by enabling plugins and listing them in the `[trac] permission_policies` configuration entry in the TracIni. See TracFineGrainedPermissions for more details. 
     9 
     10Non-authenticated users accessing the system are assigned the name "anonymous". Assign permissions to the "anonymous" user to set privileges for anonymous/guest users. The parts of Trac that a user does not have the privileges for will not be displayed in the navigation. 
     11In addition to these privileges, users can be granted additional individual rights in effect when authenticated and logged into the system. All logged in users belong to the virtual group "authenticated", which inherits permissions from "anonymous". 
     12 
     13== Available Privileges == 
     14 
     15To enable all privileges for a user, use the `TRAC_ADMIN` permission. Having `TRAC_ADMIN` is like being `root` on a *NIX system: it will allow you to perform any operation. 
     16 
     17Otherwise, individual privileges can be assigned to users for the various different functional areas of Trac ('''note that the privilege names are case-sensitive'''): 
     18 
     19=== Repository Browser === 
     20 
     21|| `BROWSER_VIEW` || View directory listings in the [wiki:TracBrowser repository browser] || 
     22|| `LOG_VIEW` || View revision logs of files and directories in the [wiki:TracBrowser repository browser] || 
     23|| `FILE_VIEW` || View files in the [wiki:TracBrowser repository browser] || 
     24|| `CHANGESET_VIEW` || View [wiki:TracChangeset repository check-ins] || 
     25 
     26=== Ticket System === 
     27 
     28|| `TICKET_VIEW` || View existing [wiki:TracTickets tickets] and perform [wiki:TracQuery ticket queries] || 
     29|| `TICKET_CREATE` || Create new [wiki:TracTickets tickets] || 
     30|| `TICKET_APPEND` || Add comments or attachments to [wiki:TracTickets tickets] || 
     31|| `TICKET_CHGPROP` || Modify [wiki:TracTickets ticket] properties (priority, assignment, keywords, etc.) except description field || 
     32|| `TICKET_MODIFY` || Includes both `TICKET_APPEND` and `TICKET_CHGPROP`, and in addition allows resolving [wiki:TracTickets tickets] || 
     33|| `TICKET_ADMIN` || All `TICKET_*` permissions, plus the deletion of ticket attachments and modification of the description field || 
     34 
     35Attention: the "view tickets" button appears with the `REPORT_VIEW` permission. 
     36 
     37=== Roadmap === 
     38 
     39|| `MILESTONE_VIEW` || View a milestone || 
     40|| `MILESTONE_CREATE` || Create a new milestone || 
     41|| `MILESTONE_MODIFY` || Modify existing milestones || 
     42|| `MILESTONE_DELETE` || Delete milestones || 
     43|| `MILESTONE_ADMIN` || All `MILESTONE_*` permissions || 
     44|| `ROADMAP_VIEW` || View the [wiki:TracRoadmap roadmap] page, is not (yet) the same as MILESTONE_VIEW, see #4292 || 
     45|| `ROADMAP_ADMIN` || to be removed with #3022, replaced by MILESTONE_ADMIN || 
     46 
     47=== Reports === 
     48 
     49|| `REPORT_VIEW` || View [wiki:TracReports reports], i.e. the "view tickets" link. || 
     50|| `REPORT_SQL_VIEW` || View the underlying SQL query of a [wiki:TracReports report] || 
     51|| `REPORT_CREATE` || Create new [wiki:TracReports reports] || 
     52|| `REPORT_MODIFY` || Modify existing [wiki:TracReports reports] || 
     53|| `REPORT_DELETE` || Delete [wiki:TracReports reports] || 
     54|| `REPORT_ADMIN` || All `REPORT_*` permissions || 
     55 
     56=== Wiki System === 
     57 
     58|| `WIKI_VIEW` || View existing [wiki:TracWiki wiki] pages || 
     59|| `WIKI_CREATE` || Create new [wiki:TracWiki wiki] pages || 
     60|| `WIKI_MODIFY` || Change [wiki:TracWiki wiki] pages || 
     61|| `WIKI_DELETE` || Delete [wiki:TracWiki wiki] pages and attachments || 
     62|| `WIKI_ADMIN` || All `WIKI_*` permissions, plus the management of ''readonly'' pages. || 
     63 
     64=== Permissions === 
     65 
     66|| `PERMISSION_GRANT` || add/grant a permission || 
     67|| `PERMISSION_REVOKE` || remove/revoke a permission || 
     68|| `PERMISSION_ADMIN` || All `PERMISSION_*` permissions || 
     69 
     70 
     71=== Others === 
     72 
     73|| `TIMELINE_VIEW` || View the [wiki:TracTimeline timeline] page || 
     74|| `SEARCH_VIEW` || View and execute [wiki:TracSearch search] queries || 
     75|| `CONFIG_VIEW` || Enables additional pages on ''About Trac'' that show the current configuration or the list of installed plugins || 
     76|| `EMAIL_VIEW` || Shows email addresses even if [wiki:0.11/TracIni `trac show_email_addresses` configuration option is `false`] || 
     77 
     78== Granting Privileges == 
     79 
     80You grant privileges to users using [wiki:TracAdmin trac-admin]. The current set of privileges can be listed with the following command: 
     81{{{ 
     82  $ trac-admin /path/to/projenv permission list 
     83}}} 
     84 
     85This command will allow the user ''bob'' to delete reports: 
     86{{{ 
     87  $ trac-admin /path/to/projenv permission add bob REPORT_DELETE 
     88}}} 
     89 
     90The `permission add` command also accepts multiple privilege names: 
     91{{{ 
     92  $ trac-admin /path/to/projenv permission add bob REPORT_DELETE WIKI_CREATE 
     93}}} 
     94 
     95Or add all privileges: 
     96{{{ 
     97  $ trac-admin /path/to/projenv permission add bob TRAC_ADMIN 
     98}}} 
     99 
     100== Permission Groups == 
     101 
     102There are two built-in groups, "authenticated" and "anonymous".[[BR]] 
     103Any user who has not logged in is automatically in the "anonymous" group.[[BR]] 
     104Any user who has logged in is also in the "authenticated" group.[[BR]] 
     105The "authenticated" group inherits permissions from the "anonymous" group.[[BR]] 
     106eg. if the "anonymous" group has permission WIKI_MODIFY, it's not necessary to add the WIKI_MODIFY permisison to the "authenticated" group as well. 
     107 
     108Custom groups may be defined that inherit permissions from the two built-in groups. 
     109 
     110Permissions can be grouped together to form roles such as ''developer'', ''admin'', etc. 
     111{{{ 
     112  $ trac-admin /path/to/projenv permission add developer WIKI_ADMIN 
     113  $ trac-admin /path/to/projenv permission add developer REPORT_ADMIN 
     114  $ trac-admin /path/to/projenv permission add developer TICKET_MODIFY 
     115  $ trac-admin /path/to/projenv permission add bob developer 
     116  $ trac-admin /path/to/projenv permission add john developer 
     117}}} 
     118 
     119Group membership can be checked by doing a {{{permission list}}} with no further arguments; the resulting output will include group memberships. '''Use lowercase for group names, as uppercase is reserved for permissions'''. 
     120 
     121== Adding a New Group and Permissions == 
     122Permission groups can be created by assigning a user to a group you wish to create, then assign permissions to that group. 
     123 
     124The following will add ''bob'' to the new group called ''beta_testers'' and then will assign WIKI_ADMIN permissions to that group. (Thus, ''bob'' will inherit the WIKI_ADMIN permission) 
     125{{{  
     126   $ trac-admin /path/to/projenv permission add bob beta_testers 
     127   $ trac-admin /path/to/projenv permission add beta_testers WIKI_ADMIN 
     128 
     129}}} 
     130 
     131== Removing Permissions == 
     132 
     133Permissions can be removed using the 'remove' command. For example: 
     134 
     135This command will prevent the user ''bob'' from deleting reports: 
     136{{{ 
     137  $ trac-admin /path/to/projenv permission remove bob REPORT_DELETE 
     138}}} 
     139 
     140Just like `permission add`, this command accepts multiple privilege names. 
     141 
     142You can also remove all privileges for a specific user: 
     143{{{ 
     144  $ trac-admin /path/to/projenv permission remove bob '*' 
     145}}} 
     146 
     147Or one privilege for all users: 
     148{{{ 
     149  $ trac-admin /path/to/projenv permission remove '*' REPORT_ADMIN 
     150}}} 
     151 
     152== Default Permissions == 
     153 
     154By default on a new Trac installation, the `anonymous` user will have ''view'' access to everything in Trac, but will not be able to create or modify anything. 
     155On the other hand, the `authenticated` users will have the permissions to ''create and modify tickets and wiki pages''. 
     156 
     157 '''anonymous''':: 
     158 BROWSER_VIEW  
     159 CHANGESET_VIEW  
     160 FILE_VIEW  
     161 LOG_VIEW  
     162 MILESTONE_VIEW  
     163 REPORT_SQL_VIEW  
     164 REPORT_VIEW  
     165 ROADMAP_VIEW  
     166 SEARCH_VIEW  
     167 TICKET_VIEW  
     168 TIMELINE_VIEW 
     169 WIKI_VIEW  
     170 
     171 '''authenticated''':: 
     172 TICKET_CREATE  
     173 TICKET_MODIFY  
     174 WIKI_CREATE  
     175 WIKI_MODIFY   
     176 
     177---- 
     178See also: TracAdmin, TracGuide and TracFineGrainedPermissions