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Module:Effective protection level
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This module is subject to page protection. It is a highly visible module in use by a very large number of pages, or is substituted very frequently. Because vandalism or mistakes would affect many pages, and even trivial editing might cause substantial load on the servers, it is protected from editing.
This Lua module is used in system messages, and on approximately 48,000 pages.
Changes to it can cause immediate changes to the Wikipedia user interface.
To avoid major disruption, any changes should be tested in the module's /sandbox or /testcases subpages, or in your own module sandbox. The tested changes can be added to this page in a single edit. Please discuss changes on the talk page before implementing them.
This module provides a way to retrieve the group required to perform a given action on a page. It currently tests the following criteria:
  • The page being pending-changes protected: autoconfirmed
  • The page being a JavaScript or CSS subpage in userspace, or in the MediaWiki namespace: interfaceadmin
  • The page being in the MediaWiki namespace: sysop
  • The page being a JSON subpage in userspace: sysop
  • The page being protected: sysop, templateeditor, extendedconfirmed, or autoconfirmed
  • The page being used in a cascading-protected page: sysop
  • The page's title matching the titleblacklist: templateeditor or autoconfirmed
  • A file being moved: filemover
  • A page being moved or a file being uploaded: autoconfirmed
  • A non-Draft non-talk page being created: user
  • Anything else: *
Note that if a template-protected file is moved, both filemover and templateeditor are required, but this will return only templateeditor. This is not likely to be changed any time soon, since template protection currently shouldn't be used on files.
Usage
Warning: This module will use up to 4 expensive parser function calls each time it is ran. It should only be used if the exact effective protection level is necessary. Otherwise, consider using title.protectionLevels instead.
From other modules
To load this module:
local effectiveProtectionLevel = require​(​'Module:Effective protection level')._main
The function accepts two parameters. The first is a string containing the action to check, which must be one of "edit", "create", "move", "upload", "undelete", or "autoreview". The second is optional, and can either be the name of the page to check, or a title returned from the mw.title functions. If the second parameter is omitted, the page being displayed is the one checked against. The return value is a string containing the name of the group required to perform the given action.
From wikitext
The parameters are the same as when it is called directly.
{{#invoke:Effective protection level|action|title}}
See also
Module:Effective protection expiry
The above documentation is transcluded from Module:Effective protection level/doc. (edit | history)
Editors can experiment in this module's sandbox (edit | diff) and testcases (create) pages.
Subpages of this module.
local p = {}
-- Returns the permission required to perform a given action on a given title.-- If no title is specified, the title of the page being displayed is used.function p._main(action, pagename) local title if type(pagename) == 'table' and pagename​.​prefixedText then title = pagename elseif pagename then title = mw​.​title​.​new​(​pagename​) else title = mw​.​title​.​getCurrentTitle​() end pagename = title.prefixedText if action == 'autoreview' then local level = mw​.​ext​.​FlaggedRevs​.​getStabilitySettings​(​title​) level = level and level.autoreview if level == 'review' then return 'reviewer' elseif level ~= '' then return level else return nil -- not '*'. a page not being PC-protected is distinct from it being PC-protected with anyone able to review. also not '', as that would mean PC-protected but nobody can review end elseif action ~= 'edit' and action ~= 'move' and action ~= 'create' and action ~= 'upload' and action ~= 'undelete' then error( 'First parameter must be one of edit, move, create, upload, undelete, autoreview', 2 ) end if title.namespace == 8 then -- MediaWiki namespace if title.text:sub(-3) == '.js' or title.text:sub(-4) == '.css' or title.contentModel == 'javascript' or title.contentModel == 'css' then -- site JS or CSS page return 'interfaceadmin' else -- any non-JS/CSS MediaWiki page return 'sysop' end elseif title.namespace == 2 and title.isSubpage then if title.contentModel == 'javascript' or title.contentModel == 'css' then -- user JS or CSS page return 'interfaceadmin' elseif title.contentModel == 'json' then -- user JSON page return 'sysop' end end if action == 'undelete' then return 'sysop' end local level = title​.​protectionLevels​[​action​] and title​.​protectionLevels​[​action​][​1​] if level == 'sysop' or level == 'editprotected' then return 'sysop' elseif title​.​cascadingProtection​.​restrictions​[​action​] and title​.​cascadingProtection​.​restrictions​[​action​][​1​] then -- used by a cascading-protected page return 'sysop' elseif level == 'templateeditor' then return 'templateeditor' elseif action == 'move' then local blacklistentry = mw​.​ext​.​TitleBlacklist​.​test​(​'edit'​, pagename) -- Testing action edit is correct, since this is for the source page. The target page name gets tested with action move. if blacklistentry and not blacklistentry​.​params​.​autoconfirmed then return 'templateeditor' elseif title.namespace == 6 then return 'filemover' elseif level == 'extendedconfirmed' then return 'extendedconfirmed' else return 'autoconfirmed' end end local blacklistentry = mw​.​ext​.​TitleBlacklist​.​test​(​action​, pagename) if blacklistentry then if not blacklistentry​.​params​.​autoconfirmed then return 'templateeditor' elseif level == 'extendedconfirmed' then return 'extendedconfirmed' else return 'autoconfirmed' end elseif level == 'editsemiprotected' then -- create-semiprotected pages return this for some reason return 'autoconfirmed' elseif level then return level elseif action == 'upload' then return 'autoconfirmed' elseif action == 'create' and title.namespace % 2 == 0 and title.namespace ~= 118 then -- You need to be registered, but not autoconfirmed, to create non-talk pages other than drafts return 'user' else return '*' end​end​
setmetatable​(​p​, { __index = function(t, k) return function(frame) return t._main(k, frame.args[1]) endend })
return p
Last edited on 29 September 2020, at 03:38
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