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-- This module implements {{pp-meta}} and its daughter templates such as
-- {{pp-dispute}}, {{pp-vandalism}} and {{pp-sock}}.
-- Initialise necessary modules.
require('Module:No globals')
local makeFileLink = require('Module:File link')._main
local effectiveProtectionLevel = require('Module:Effective protection level')._main
local effectiveProtectionExpiry = require('Module:Effective protection expiry')._main
local yesno = require('Module:Yesno')
-- Lazily initialise modules and objects we don't always need.
local getArgs, makeMessageBox, lang
-- Set constants.
local CONFIG_MODULE = 'Module:Protection banner/config'
--------------------------------------------------------------------------------
-- Helper functions
--------------------------------------------------------------------------------
local function makeCategoryLink(cat, sort)
if cat then
return string.format(
'[[%s:%s|%s]]',
mw.site.namespaces[14].name,
cat,
sort
)
end
end
-- Validation function for the expiry and the protection date
local function validateDate(dateString, dateType)
if not lang then
lang = mw.language.getContentLanguage()
end
local success, result = pcall(lang.formatDate, lang, 'U', dateString)
if success then
result = tonumber(result)
if result then
return result
end
end
error(string.format(
'invalid %s: %s',
dateType,
tostring(dateString)
), 4)
end
local function makeFullUrl(page, query, display)
return string.format(
'[%s %s]',
tostring(mw.uri.fullUrl(page, query)),
display
)
end
-- Given a directed graph formatted as node -> table of direct successors,
-- get a table of all nodes reachable from a given node (though always
-- including the given node).
local function getReachableNodes(graph, start)
local toWalk, retval = {[start] = true}, {}
while true do
-- Can't use pairs() since we're adding and removing things as we're iterating
local k = next(toWalk) -- This always gets the "first" key
if k == nil then
return retval
end
toWalk[k] = nil
retval[k] = true
for _,v in ipairs(graph[k]) do
if not retval[v] then
toWalk[v] = true
end
end
end
end
--------------------------------------------------------------------------------
-- Protection class
--------------------------------------------------------------------------------
local Protection = {}
Protection.__index = Protection
Protection.supportedActions = {
edit = true,
move = true,
autoreview = true,
upload = true
}
Protection.bannerConfigFields = {
'text',
'explanation',
'tooltip',
'alt',
'link',
'image'
}
function Protection.new(args, cfg, title)
local obj = {}
obj._cfg = cfg
obj.title = title or mw.title.getCurrentTitle()
-- Set action
if not args.action then
obj.action = 'edit'
elseif Protection.supportedActions[args.action] then
obj.action = args.action
else
error(string.format(
'invalid action: %s',
tostring(args.action)
), 3)
end
-- Set level
obj.level = args.demolevel or effectiveProtectionLevel(obj.action, obj.title)
if not obj.level or (obj.action == 'move' and obj.level == 'autoconfirmed') then
-- Users need to be autoconfirmed to move pages anyway, so treat
-- semi-move-protected pages as unprotected.
obj.level = '*'
end
-- Set expiry
local effectiveExpiry = effectiveProtectionExpiry(obj.action, obj.title)
if effectiveExpiry == 'infinity' then
obj.expiry = 'indef'
elseif effectiveExpiry ~= 'unknown' then
obj.expiry = validateDate(effectiveExpiry, 'expiry date')
end
-- Set reason
if args[1] then
obj.reason = mw.ustring.lower(args[1])
if obj.reason:find('|') then
error('reasons cannot contain the pipe character ("|")', 3)
end
end
-- Set protection date
if args.date then
obj.protectionDate = validateDate(args.date, 'protection date')
end
-- Set banner config
do
obj.bannerConfig = {}
local configTables = {}
if cfg.banners[obj.action] then
configTables[#configTables + 1] = cfg.banners[obj.action][obj.reason]
end
if cfg.defaultBanners[obj.action] then
configTables[#configTables + 1] = cfg.defaultBanners[obj.action][obj.level]
configTables[#configTables + 1] = cfg.defaultBanners[obj.action].default
end
configTables[#configTables + 1] = cfg.masterBanner
for i, field in ipairs(Protection.bannerConfigFields) do
for j, t in ipairs(configTables) do
if t[field] then
obj.bannerConfig[field] = t[field]
break
end
end
end
end
return setmetatable(obj, Protection)
end
function Protection:isProtected()
return self.level ~= '*'
end
function Protection:isTemporary()
return type(self.expiry) == 'number'
end
function Protection:makeProtectionCategory()
local cfg = self._cfg
local title = self.title
-- Exit if the page is not protected.
if not self:isProtected() then
return ''
end
-- Get the expiry key fragment.
local expiryFragment
if self.expiry == 'indef' then
expiryFragment = self.expiry
elseif type(self.expiry) == 'number' then
expiryFragment = 'temp'
end
-- Get the namespace key fragment.
local namespaceFragment = cfg.categoryNamespaceKeys[title.namespace]
if not namespaceFragment and title.namespace % 2 == 1 then
namespaceFragment = 'talk'
end
-- Define the order that key fragments are tested in. This is done with an
-- array of tables containing the value to be tested, along with its
-- position in the cfg.protectionCategories table.
local order = {
{val = expiryFragment, keypos = 1},
{val = namespaceFragment, keypos = 2},
{val = self.reason, keypos = 3},
{val = self.level, keypos = 4},
{val = self.action, keypos = 5}
}
--[[
-- The old protection templates used an ad-hoc protection category system,
-- with some templates prioritising namespaces in their categories, and
-- others prioritising the protection reason. To emulate this in this module
-- we use the config table cfg.reasonsWithNamespacePriority to set the
-- reasons for which namespaces have priority over protection reason.
-- If we are dealing with one of those reasons, move the namespace table to
-- the end of the order table, i.e. give it highest priority. If not, the
-- reason should have highest priority, so move that to the end of the table
-- instead.
--]]
table.insert(order, table.remove(order, self.reason and cfg.reasonsWithNamespacePriority[self.reason] and 2 or 3))
--[[
-- Define the attempt order. Inactive subtables (subtables with nil "value"
-- fields) are moved to the end, where they will later be given the key
-- "all". This is to cut down on the number of table lookups in
-- cfg.protectionCategories, which grows exponentially with the number of
-- non-nil keys. We keep track of the number of active subtables with the
-- noActive parameter.
--]]
local noActive, attemptOrder
do
local active, inactive = {}, {}
for i, t in ipairs(order) do
if t.val then
active[#active + 1] = t
else
inactive[#inactive + 1] = t
end
end
noActive = #active
attemptOrder = active
for i, t in ipairs(inactive) do
attemptOrder[#attemptOrder + 1] = t
end
end
--[[
-- Check increasingly generic key combinations until we find a match. If a
-- specific category exists for the combination of key fragments we are
-- given, that match will be found first. If not, we keep trying different
-- key fragment combinations until we match using the key
-- "all-all-all-all-all".
--
-- To generate the keys, we index the key subtables using a binary matrix
-- with indexes i and j. j is only calculated up to the number of active
-- subtables. For example, if there were three active subtables, the matrix
-- would look like this, with 0 corresponding to the key fragment "all", and
-- 1 corresponding to other key fragments.
--
-- j 1 2 3
-- i
-- 1 1 1 1
-- 2 0 1 1
-- 3 1 0 1
-- 4 0 0 1
-- 5 1 1 0
-- 6 0 1 0
-- 7 1 0 0
-- 8 0 0 0
--
-- Values of j higher than the number of active subtables are set
-- to the string "all".
--
-- A key for cfg.protectionCategories is constructed for each value of i.
-- The position of the value in the key is determined by the keypos field in
-- each subtable.
--]]
local cats = cfg.protectionCategories
for i = 1, 2^noActive do
local key = {}
for j, t in ipairs(attemptOrder) do
if j > noActive then
key[t.keypos] = 'all'
else
local quotient = i / 2 ^ (j - 1)
quotient = math.ceil(quotient)
if quotient % 2 == 1 then
key[t.keypos] = t.val
else
key[t.keypos] = 'all'
end
end
end
key = table.concat(key, '|')
local attempt = cats[key]
if attempt then
return makeCategoryLink(attempt, title.text)
end
end
return ''
end
function Protection:isIncorrect()
local expiry = self.expiry
return not self:isProtected()
or type(expiry) == 'number' and expiry < os.time()
end
function Protection:isTemplateProtectedNonTemplate()
local action, namespace = self.action, self.title.namespace
return self.level == 'templateeditor'
and (
(action ~= 'edit' and action ~= 'move')
or (namespace ~= 10 and namespace ~= 828)
)
end
function Protection:makeCategoryLinks()
local msg = self._cfg.msg
local ret = { self:makeProtectionCategory() }
if self:isIncorrect() then
ret[#ret + 1] = makeCategoryLink(
msg['tracking-category-incorrect'],
self.title.text
)
end
if self:isTemplateProtectedNonTemplate() then
ret[#ret + 1] = makeCategoryLink(
msg['tracking-category-template'],
self.title.text
)
end
return table.concat(ret)
end
--------------------------------------------------------------------------------
-- Blurb class
--------------------------------------------------------------------------------
local Blurb = {}
Blurb.__index = Blurb
Blurb.bannerTextFields = {
text = true,
explanation = true,
tooltip = true,
alt = true,
link = true
}
function Blurb.new(protectionObj, args, cfg)
return setmetatable({
_cfg = cfg,
_protectionObj = protectionObj,
_args = args
}, Blurb)
end
-- Private methods --
function Blurb:_formatDate(num)
-- Formats a Unix timestamp into dd Month, YYYY format.
lang = lang or mw.language.getContentLanguage()
local success, date = pcall(
lang.formatDate,
lang,
self._cfg.msg['expiry-date-format'] or 'j F Y',
'@' .. tostring(num)
)
if success then
return date
end
end
function Blurb:_getExpandedMessage(msgKey)
return self:_substituteParameters(self._cfg.msg[msgKey])
end
function Blurb:_substituteParameters(msg)
if not self._params then
local parameterFuncs = {}
parameterFuncs.CURRENTVERSION = self._makeCurrentVersionParameter
parameterFuncs.EDITREQUEST = self._makeEditRequestParameter
parameterFuncs.EXPIRY = self._makeExpiryParameter
parameterFuncs.EXPLANATIONBLURB = self._makeExplanationBlurbParameter
parameterFuncs.IMAGELINK = self._makeImageLinkParameter
parameterFuncs.INTROBLURB = self._makeIntroBlurbParameter
parameterFuncs.INTROFRAGMENT = self._makeIntroFragmentParameter
parameterFuncs.PAGETYPE = self._makePagetypeParameter
parameterFuncs.PROTECTIONBLURB = self._makeProtectionBlurbParameter
parameterFuncs.PROTECTIONDATE = self._makeProtectionDateParameter
parameterFuncs.PROTECTIONLEVEL = self._makeProtectionLevelParameter
parameterFuncs.PROTECTIONLOG = self._makeProtectionLogParameter
parameterFuncs.TALKPAGE = self._makeTalkPageParameter
parameterFuncs.TOOLTIPBLURB = self._makeTooltipBlurbParameter
parameterFuncs.TOOLTIPFRAGMENT = self._makeTooltipFragmentParameter
parameterFuncs.VANDAL = self._makeVandalTemplateParameter
self._params = setmetatable({}, {
__index = function (t, k)
local param
if parameterFuncs[k] then
param = parameterFuncs[k](self)
end
param = param or ''
t[k] = param
return param
end
})
end
msg = msg:gsub('${(%u+)}', self._params)
return msg
end
function Blurb:_makeCurrentVersionParameter()
-- A link to the page history or the move log, depending on the kind of
-- protection.
local pagename = self._protectionObj.title.prefixedText
if self._protectionObj.action == 'move' then
-- We need the move log link.
return makeFullUrl(
'Special:Log',
{type = 'move', page = pagename},
self:_getExpandedMessage('current-version-move-display')
)
else
-- We need the history link.
return makeFullUrl(
pagename,
{action = 'history'},
self:_getExpandedMessage('current-version-edit-display')
)
end
end
function Blurb:_makeEditRequestParameter()
local mEditRequest = require('Module:Submit an edit request')
local action = self._protectionObj.action
local level = self._protectionObj.level
-- Get the edit request type.
local requestType
if action == 'edit' then
if level == 'autoconfirmed' then
requestType = 'semi'
elseif level == 'extendedconfirmed' then
requestType = 'extended'
elseif level == 'templateeditor' then
requestType = 'template'
end
end
requestType = requestType or 'full'
-- Get the display value.
local display = self:_getExpandedMessage('edit-request-display')
return mEditRequest._link{type = requestType, display = display}
end
function Blurb:_makeExpiryParameter()
local expiry = self._protectionObj.expiry
if type(expiry) == 'number' then
return self:_formatDate(expiry)
else
return expiry
end
end
function Blurb:_makeExplanationBlurbParameter()
-- Cover special cases first.
if self._protectionObj.title.namespace == 8 then
-- MediaWiki namespace
return self:_getExpandedMessage('explanation-blurb-nounprotect')
end
-- Get explanation blurb table keys
local action = self._protectionObj.action
local level = self._protectionObj.level
local talkKey = self._protectionObj.title.isTalkPage and 'talk' or 'subject'
-- Find the message in the explanation blurb table and substitute any
-- parameters.
local explanations = self._cfg.explanationBlurbs
local msg
if explanations[action][level] and explanations[action][level][talkKey] then
msg = explanations[action][level][talkKey]
elseif explanations[action][level] and explanations[action][level].default then
msg = explanations[action][level].default
elseif explanations[action].default and explanations[action].default[talkKey] then
msg = explanations[action].default[talkKey]
elseif explanations[action].default and explanations[action].default.default then
msg = explanations[action].default.default
else
error(string.format(
'could not find explanation blurb for action "%s", level "%s" and talk key "%s"',
action,
level,
talkKey
), 8)
end
return self:_substituteParameters(msg)
end
function Blurb:_makeImageLinkParameter()
local imageLinks = self._cfg.imageLinks
local action = self._protectionObj.action
local level = self._protectionObj.level
local msg
if imageLinks[action][level] then
msg = imageLinks[action][level]
elseif imageLinks[action].default then
msg = imageLinks[action].default
else
msg = imageLinks.edit.default
end
return self:_substituteParameters(msg)
end
function Blurb:_makeIntroBlurbParameter()
if self._protectionObj:isTemporary() then
return self:_getExpandedMessage('intro-blurb-expiry')
else
return self:_getExpandedMessage('intro-blurb-noexpiry')
end
end
function Blurb:_makeIntroFragmentParameter()
if self._protectionObj:isTemporary() then
return self:_getExpandedMessage('intro-fragment-expiry')
else
return self:_getExpandedMessage('intro-fragment-noexpiry')
end
end
function Blurb:_makePagetypeParameter()
local pagetypes = self._cfg.pagetypes
return pagetypes[self._protectionObj.title.namespace]
or pagetypes.default
or error('no default pagetype defined', 8)
end
function Blurb:_makeProtectionBlurbParameter()
local protectionBlurbs = self._cfg.protectionBlurbs
local action = self._protectionObj.action
local level = self._protectionObj.level
local msg
if protectionBlurbs[action][level] then
msg = protectionBlurbs[action][level]
elseif protectionBlurbs[action].default then
msg = protectionBlurbs[action].default
elseif protectionBlurbs.edit.default then
msg = protectionBlurbs.edit.default
else
error('no protection blurb defined for protectionBlurbs.edit.default', 8)
end
return self:_substituteParameters(msg)
end
function Blurb:_makeProtectionDateParameter()
local protectionDate = self._protectionObj.protectionDate
if type(protectionDate) == 'number' then
return self:_formatDate(protectionDate)
else
return protectionDate
end
end
function Blurb:_makeProtectionLevelParameter()
local protectionLevels = self._cfg.protectionLevels
local action = self._protectionObj.action
local level = self._protectionObj.level
local msg
if protectionLevels[action][level] then
msg = protectionLevels[action][level]
elseif protectionLevels[action].default then
msg = protectionLevels[action].default
elseif protectionLevels.edit.default then
msg = protectionLevels.edit.default
else
error('no protection level defined for protectionLevels.edit.default', 8)
end
return self:_substituteParameters(msg)
end
function Blurb:_makeProtectionLogParameter()
local pagename = self._protectionObj.title.prefixedText
if self._protectionObj.action == 'autoreview' then
-- We need the pending changes log.
return makeFullUrl(
'Special:Log',
{type = 'stable', page = pagename},
self:_getExpandedMessage('pc-log-display')
)
else
-- We need the protection log.
return makeFullUrl(
'Special:Log',
{type = 'protect', page = pagename},
self:_getExpandedMessage('protection-log-display')
)
end
end
function Blurb:_makeTalkPageParameter()
return string.format(
'[[%s:%s#%s|%s]]',
mw.site.namespaces[self._protectionObj.title.namespace].talk.name,
self._protectionObj.title.text,
self._args.section or 'top',
self:_getExpandedMessage('talk-page-link-display')
)
end
function Blurb:_makeTooltipBlurbParameter()
if self._protectionObj:isTemporary() then
return self:_getExpandedMessage('tooltip-blurb-expiry')
else
return self:_getExpandedMessage('tooltip-blurb-noexpiry')
end
end
function Blurb:_makeTooltipFragmentParameter()
if self._protectionObj:isTemporary() then
return self:_getExpandedMessage('tooltip-fragment-expiry')
else
return self:_getExpandedMessage('tooltip-fragment-noexpiry')
end
end
function Blurb:_makeVandalTemplateParameter()
return require('Module:Vandal-m')._main{
self._args.user or self._protectionObj.title.baseText
}
end
-- Public methods --
function Blurb:makeBannerText(key)
-- Validate input.
if not key or not Blurb.bannerTextFields[key] then
error(string.format(
'"%s" is not a valid banner config field',
tostring(key)
), 2)
end
-- Generate the text.
local msg = self._protectionObj.bannerConfig[key]
if type(msg) == 'string' then
return self:_substituteParameters(msg)
elseif type(msg) == 'function' then
msg = msg(self._protectionObj, self._args)
if type(msg) ~= 'string' then
error(string.format(
'bad output from banner config function with key "%s"'
.. ' (expected string, got %s)',
tostring(key),
type(msg)
), 4)
end
return self:_substituteParameters(msg)
end
end
--------------------------------------------------------------------------------
-- BannerTemplate class
--------------------------------------------------------------------------------
local BannerTemplate = {}
BannerTemplate.__index = BannerTemplate
function BannerTemplate.new(protectionObj, cfg)
local obj = {}
obj._cfg = cfg
-- Set the image filename.
local imageFilename = protectionObj.bannerConfig.image
if imageFilename then
obj._imageFilename = imageFilename
else
-- If an image filename isn't specified explicitly in the banner config,
-- generate it from the protection status and the namespace.
local action = protectionObj.action
local level = protectionObj.level
local namespace = protectionObj.title.namespace
local reason = protectionObj.reason
-- Deal with special cases first.
if (
namespace == 10
or namespace == 828
or reason and obj._cfg.indefImageReasons[reason]
)
and action == 'edit'
and level == 'sysop'
and not protectionObj:isTemporary()
then
-- Fully protected modules and templates get the special red "indef"
-- padlock.
obj._imageFilename = obj._cfg.msg['image-filename-indef']
else
-- Deal with regular protection types.
local images = obj._cfg.images
if images[action] then
if images[action][level] then
obj._imageFilename = images[action][level]
elseif images[action].default then
obj._imageFilename = images[action].default
end
end
end
end
return setmetatable(obj, BannerTemplate)
end
function BannerTemplate:renderImage()
local filename = self._imageFilename
or self._cfg.msg['image-filename-default']
or 'Transparent.gif'
return makeFileLink{
file = filename,
size = (self.imageWidth or 20) .. 'px',
alt = self._imageAlt,
link = self._imageLink,
caption = self.imageCaption
}
end
--------------------------------------------------------------------------------
-- Banner class
--------------------------------------------------------------------------------
local Banner = setmetatable({}, BannerTemplate)
Banner.__index = Banner
function Banner.new(protectionObj, blurbObj, cfg)
local obj = BannerTemplate.new(protectionObj, cfg) -- This doesn't need the blurb.
obj.imageWidth = 40
obj.imageCaption = blurbObj:makeBannerText('alt') -- Large banners use the alt text for the tooltip.
obj._reasonText = blurbObj:makeBannerText('text')
obj._explanationText = blurbObj:makeBannerText('explanation')
obj._page = protectionObj.title.prefixedText -- Only makes a difference in testing.
return setmetatable(obj, Banner)
end
function Banner:__tostring()
-- Renders the banner.
makeMessageBox = makeMessageBox or require('Module:Message box').main
local reasonText = self._reasonText or error('no reason text set', 2)
local explanationText = self._explanationText
local mbargs = {
page = self._page,
type = 'protection',
image = self:renderImage(),
text = string.format(
"'''%s'''%s",
reasonText,
explanationText and '<br />' .. explanationText or ''
)
}
return makeMessageBox('mbox', mbargs)
end
--------------------------------------------------------------------------------
-- Padlock class
--------------------------------------------------------------------------------
local Padlock = setmetatable({}, BannerTemplate)
Padlock.__index = Padlock
function Padlock.new(protectionObj, blurbObj, cfg)
local obj = BannerTemplate.new(protectionObj, cfg) -- This doesn't need the blurb.
obj.imageWidth = 20
obj.imageCaption = blurbObj:makeBannerText('tooltip')
obj._imageAlt = blurbObj:makeBannerText('alt')
obj._imageLink = blurbObj:makeBannerText('link')
obj._indicatorName = cfg.padlockIndicatorNames[protectionObj.action]
or cfg.padlockIndicatorNames.default
or 'pp-default'
return setmetatable(obj, Padlock)
end
function Padlock:__tostring()
local frame = mw.getCurrentFrame()
-- The nowiki tag helps prevent whitespace at the top of articles.
return frame:extensionTag{name = 'nowiki'} .. frame:extensionTag{
name = 'indicator',
args = {name = self._indicatorName},
content = self:renderImage()
}
end
--------------------------------------------------------------------------------
-- Exports
--------------------------------------------------------------------------------
local p = {}
function p._exportClasses()
-- This is used for testing purposes.
return {
Protection = Protection,
Blurb = Blurb,
BannerTemplate = BannerTemplate,
Banner = Banner,
Padlock = Padlock,
}
end
function p._main(args, cfg, title)
args = args or {}
cfg = cfg or require(CONFIG_MODULE)
local protectionObj = Protection.new(args, cfg, title)
local ret = {}
-- If a page's edit protection is equally or more restrictive than its
-- protection from some other action, then don't bother displaying anything
-- for the other action (except categories).
if protectionObj.action == 'edit' or
args.demolevel or
not getReachableNodes(
cfg.hierarchy,
protectionObj.level
)[effectiveProtectionLevel('edit', protectionObj.title)]
then
-- Initialise the blurb object
local blurbObj = Blurb.new(protectionObj, args, cfg)
-- Render the banner
if protectionObj:isProtected() then
ret[#ret + 1] = tostring(
(yesno(args.small) and Padlock or Banner)
.new(protectionObj, blurbObj, cfg)
)
end
end
-- Render the categories
if yesno(args.category) ~= false then
ret[#ret + 1] = protectionObj:makeCategoryLinks()
end
return table.concat(ret)
end
function p.main(frame, cfg)
cfg = cfg or require(CONFIG_MODULE)
-- Find default args, if any.
local parent = frame.getParent and frame:getParent()
local defaultArgs = parent and cfg.wrappers[parent:getTitle():gsub('/sandbox$', '')]
-- Find user args, and use the parent frame if we are being called from a
-- wrapper template.
getArgs = getArgs or require('Module:Arguments').getArgs
local userArgs = getArgs(frame, {
parentOnly = defaultArgs,
frameOnly = not defaultArgs
})
-- Build the args table. User-specified args overwrite default args.
local args = {}
for k, v in pairs(defaultArgs or {}) do
args[k] = v
end
for k, v in pairs(userArgs) do
args[k] = v
end
return p._main(args, cfg)
end
return p
-- {{pp-dispute}}, {{pp-vandalism}} and {{pp-sock}}.
-- Initialise necessary modules.
require('Module:No globals')
local makeFileLink = require('Module:File link')._main
local effectiveProtectionLevel = require('Module:Effective protection level')._main
local effectiveProtectionExpiry = require('Module:Effective protection expiry')._main
local yesno = require('Module:Yesno')
-- Lazily initialise modules and objects we don't always need.
local getArgs, makeMessageBox, lang
-- Set constants.
local CONFIG_MODULE = 'Module:Protection banner/config'
--------------------------------------------------------------------------------
-- Helper functions
--------------------------------------------------------------------------------
local function makeCategoryLink(cat, sort)
if cat then
return string.format(
'[[%s:%s|%s]]',
mw.site.namespaces[14].name,
cat,
sort
)
end
end
-- Validation function for the expiry and the protection date
local function validateDate(dateString, dateType)
if not lang then
lang = mw.language.getContentLanguage()
end
local success, result = pcall(lang.formatDate, lang, 'U', dateString)
if success then
result = tonumber(result)
if result then
return result
end
end
error(string.format(
'invalid %s: %s',
dateType,
tostring(dateString)
), 4)
end
local function makeFullUrl(page, query, display)
return string.format(
'[%s %s]',
tostring(mw.uri.fullUrl(page, query)),
display
)
end
-- Given a directed graph formatted as node -> table of direct successors,
-- get a table of all nodes reachable from a given node (though always
-- including the given node).
local function getReachableNodes(graph, start)
local toWalk, retval = {[start] = true}, {}
while true do
-- Can't use pairs() since we're adding and removing things as we're iterating
local k = next(toWalk) -- This always gets the "first" key
if k == nil then
return retval
end
toWalk[k] = nil
retval[k] = true
for _,v in ipairs(graph[k]) do
if not retval[v] then
toWalk[v] = true
end
end
end
end
--------------------------------------------------------------------------------
-- Protection class
--------------------------------------------------------------------------------
local Protection = {}
Protection.__index = Protection
Protection.supportedActions = {
edit = true,
move = true,
autoreview = true,
upload = true
}
Protection.bannerConfigFields = {
'text',
'explanation',
'tooltip',
'alt',
'link',
'image'
}
function Protection.new(args, cfg, title)
local obj = {}
obj._cfg = cfg
obj.title = title or mw.title.getCurrentTitle()
-- Set action
if not args.action then
obj.action = 'edit'
elseif Protection.supportedActions[args.action] then
obj.action = args.action
else
error(string.format(
'invalid action: %s',
tostring(args.action)
), 3)
end
-- Set level
obj.level = args.demolevel or effectiveProtectionLevel(obj.action, obj.title)
if not obj.level or (obj.action == 'move' and obj.level == 'autoconfirmed') then
-- Users need to be autoconfirmed to move pages anyway, so treat
-- semi-move-protected pages as unprotected.
obj.level = '*'
end
-- Set expiry
local effectiveExpiry = effectiveProtectionExpiry(obj.action, obj.title)
if effectiveExpiry == 'infinity' then
obj.expiry = 'indef'
elseif effectiveExpiry ~= 'unknown' then
obj.expiry = validateDate(effectiveExpiry, 'expiry date')
end
-- Set reason
if args[1] then
obj.reason = mw.ustring.lower(args[1])
if obj.reason:find('|') then
error('reasons cannot contain the pipe character ("|")', 3)
end
end
-- Set protection date
if args.date then
obj.protectionDate = validateDate(args.date, 'protection date')
end
-- Set banner config
do
obj.bannerConfig = {}
local configTables = {}
if cfg.banners[obj.action] then
configTables[#configTables + 1] = cfg.banners[obj.action][obj.reason]
end
if cfg.defaultBanners[obj.action] then
configTables[#configTables + 1] = cfg.defaultBanners[obj.action][obj.level]
configTables[#configTables + 1] = cfg.defaultBanners[obj.action].default
end
configTables[#configTables + 1] = cfg.masterBanner
for i, field in ipairs(Protection.bannerConfigFields) do
for j, t in ipairs(configTables) do
if t[field] then
obj.bannerConfig[field] = t[field]
break
end
end
end
end
return setmetatable(obj, Protection)
end
function Protection:isProtected()
return self.level ~= '*'
end
function Protection:isTemporary()
return type(self.expiry) == 'number'
end
function Protection:makeProtectionCategory()
local cfg = self._cfg
local title = self.title
-- Exit if the page is not protected.
if not self:isProtected() then
return ''
end
-- Get the expiry key fragment.
local expiryFragment
if self.expiry == 'indef' then
expiryFragment = self.expiry
elseif type(self.expiry) == 'number' then
expiryFragment = 'temp'
end
-- Get the namespace key fragment.
local namespaceFragment = cfg.categoryNamespaceKeys[title.namespace]
if not namespaceFragment and title.namespace % 2 == 1 then
namespaceFragment = 'talk'
end
-- Define the order that key fragments are tested in. This is done with an
-- array of tables containing the value to be tested, along with its
-- position in the cfg.protectionCategories table.
local order = {
{val = expiryFragment, keypos = 1},
{val = namespaceFragment, keypos = 2},
{val = self.reason, keypos = 3},
{val = self.level, keypos = 4},
{val = self.action, keypos = 5}
}
--[[
-- The old protection templates used an ad-hoc protection category system,
-- with some templates prioritising namespaces in their categories, and
-- others prioritising the protection reason. To emulate this in this module
-- we use the config table cfg.reasonsWithNamespacePriority to set the
-- reasons for which namespaces have priority over protection reason.
-- If we are dealing with one of those reasons, move the namespace table to
-- the end of the order table, i.e. give it highest priority. If not, the
-- reason should have highest priority, so move that to the end of the table
-- instead.
--]]
table.insert(order, table.remove(order, self.reason and cfg.reasonsWithNamespacePriority[self.reason] and 2 or 3))
--[[
-- Define the attempt order. Inactive subtables (subtables with nil "value"
-- fields) are moved to the end, where they will later be given the key
-- "all". This is to cut down on the number of table lookups in
-- cfg.protectionCategories, which grows exponentially with the number of
-- non-nil keys. We keep track of the number of active subtables with the
-- noActive parameter.
--]]
local noActive, attemptOrder
do
local active, inactive = {}, {}
for i, t in ipairs(order) do
if t.val then
active[#active + 1] = t
else
inactive[#inactive + 1] = t
end
end
noActive = #active
attemptOrder = active
for i, t in ipairs(inactive) do
attemptOrder[#attemptOrder + 1] = t
end
end
--[[
-- Check increasingly generic key combinations until we find a match. If a
-- specific category exists for the combination of key fragments we are
-- given, that match will be found first. If not, we keep trying different
-- key fragment combinations until we match using the key
-- "all-all-all-all-all".
--
-- To generate the keys, we index the key subtables using a binary matrix
-- with indexes i and j. j is only calculated up to the number of active
-- subtables. For example, if there were three active subtables, the matrix
-- would look like this, with 0 corresponding to the key fragment "all", and
-- 1 corresponding to other key fragments.
--
-- j 1 2 3
-- i
-- 1 1 1 1
-- 2 0 1 1
-- 3 1 0 1
-- 4 0 0 1
-- 5 1 1 0
-- 6 0 1 0
-- 7 1 0 0
-- 8 0 0 0
--
-- Values of j higher than the number of active subtables are set
-- to the string "all".
--
-- A key for cfg.protectionCategories is constructed for each value of i.
-- The position of the value in the key is determined by the keypos field in
-- each subtable.
--]]
local cats = cfg.protectionCategories
for i = 1, 2^noActive do
local key = {}
for j, t in ipairs(attemptOrder) do
if j > noActive then
key[t.keypos] = 'all'
else
local quotient = i / 2 ^ (j - 1)
quotient = math.ceil(quotient)
if quotient % 2 == 1 then
key[t.keypos] = t.val
else
key[t.keypos] = 'all'
end
end
end
key = table.concat(key, '|')
local attempt = cats[key]
if attempt then
return makeCategoryLink(attempt, title.text)
end
end
return ''
end
function Protection:isIncorrect()
local expiry = self.expiry
return not self:isProtected()
or type(expiry) == 'number' and expiry < os.time()
end
function Protection:isTemplateProtectedNonTemplate()
local action, namespace = self.action, self.title.namespace
return self.level == 'templateeditor'
and (
(action ~= 'edit' and action ~= 'move')
or (namespace ~= 10 and namespace ~= 828)
)
end
function Protection:makeCategoryLinks()
local msg = self._cfg.msg
local ret = { self:makeProtectionCategory() }
if self:isIncorrect() then
ret[#ret + 1] = makeCategoryLink(
msg['tracking-category-incorrect'],
self.title.text
)
end
if self:isTemplateProtectedNonTemplate() then
ret[#ret + 1] = makeCategoryLink(
msg['tracking-category-template'],
self.title.text
)
end
return table.concat(ret)
end
--------------------------------------------------------------------------------
-- Blurb class
--------------------------------------------------------------------------------
local Blurb = {}
Blurb.__index = Blurb
Blurb.bannerTextFields = {
text = true,
explanation = true,
tooltip = true,
alt = true,
link = true
}
function Blurb.new(protectionObj, args, cfg)
return setmetatable({
_cfg = cfg,
_protectionObj = protectionObj,
_args = args
}, Blurb)
end
-- Private methods --
function Blurb:_formatDate(num)
-- Formats a Unix timestamp into dd Month, YYYY format.
lang = lang or mw.language.getContentLanguage()
local success, date = pcall(
lang.formatDate,
lang,
self._cfg.msg['expiry-date-format'] or 'j F Y',
'@' .. tostring(num)
)
if success then
return date
end
end
function Blurb:_getExpandedMessage(msgKey)
return self:_substituteParameters(self._cfg.msg[msgKey])
end
function Blurb:_substituteParameters(msg)
if not self._params then
local parameterFuncs = {}
parameterFuncs.CURRENTVERSION = self._makeCurrentVersionParameter
parameterFuncs.EDITREQUEST = self._makeEditRequestParameter
parameterFuncs.EXPIRY = self._makeExpiryParameter
parameterFuncs.EXPLANATIONBLURB = self._makeExplanationBlurbParameter
parameterFuncs.IMAGELINK = self._makeImageLinkParameter
parameterFuncs.INTROBLURB = self._makeIntroBlurbParameter
parameterFuncs.INTROFRAGMENT = self._makeIntroFragmentParameter
parameterFuncs.PAGETYPE = self._makePagetypeParameter
parameterFuncs.PROTECTIONBLURB = self._makeProtectionBlurbParameter
parameterFuncs.PROTECTIONDATE = self._makeProtectionDateParameter
parameterFuncs.PROTECTIONLEVEL = self._makeProtectionLevelParameter
parameterFuncs.PROTECTIONLOG = self._makeProtectionLogParameter
parameterFuncs.TALKPAGE = self._makeTalkPageParameter
parameterFuncs.TOOLTIPBLURB = self._makeTooltipBlurbParameter
parameterFuncs.TOOLTIPFRAGMENT = self._makeTooltipFragmentParameter
parameterFuncs.VANDAL = self._makeVandalTemplateParameter
self._params = setmetatable({}, {
__index = function (t, k)
local param
if parameterFuncs[k] then
param = parameterFuncs[k](self)
end
param = param or ''
t[k] = param
return param
end
})
end
msg = msg:gsub('${(%u+)}', self._params)
return msg
end
function Blurb:_makeCurrentVersionParameter()
-- A link to the page history or the move log, depending on the kind of
-- protection.
local pagename = self._protectionObj.title.prefixedText
if self._protectionObj.action == 'move' then
-- We need the move log link.
return makeFullUrl(
'Special:Log',
{type = 'move', page = pagename},
self:_getExpandedMessage('current-version-move-display')
)
else
-- We need the history link.
return makeFullUrl(
pagename,
{action = 'history'},
self:_getExpandedMessage('current-version-edit-display')
)
end
end
function Blurb:_makeEditRequestParameter()
local mEditRequest = require('Module:Submit an edit request')
local action = self._protectionObj.action
local level = self._protectionObj.level
-- Get the edit request type.
local requestType
if action == 'edit' then
if level == 'autoconfirmed' then
requestType = 'semi'
elseif level == 'extendedconfirmed' then
requestType = 'extended'
elseif level == 'templateeditor' then
requestType = 'template'
end
end
requestType = requestType or 'full'
-- Get the display value.
local display = self:_getExpandedMessage('edit-request-display')
return mEditRequest._link{type = requestType, display = display}
end
function Blurb:_makeExpiryParameter()
local expiry = self._protectionObj.expiry
if type(expiry) == 'number' then
return self:_formatDate(expiry)
else
return expiry
end
end
function Blurb:_makeExplanationBlurbParameter()
-- Cover special cases first.
if self._protectionObj.title.namespace == 8 then
-- MediaWiki namespace
return self:_getExpandedMessage('explanation-blurb-nounprotect')
end
-- Get explanation blurb table keys
local action = self._protectionObj.action
local level = self._protectionObj.level
local talkKey = self._protectionObj.title.isTalkPage and 'talk' or 'subject'
-- Find the message in the explanation blurb table and substitute any
-- parameters.
local explanations = self._cfg.explanationBlurbs
local msg
if explanations[action][level] and explanations[action][level][talkKey] then
msg = explanations[action][level][talkKey]
elseif explanations[action][level] and explanations[action][level].default then
msg = explanations[action][level].default
elseif explanations[action].default and explanations[action].default[talkKey] then
msg = explanations[action].default[talkKey]
elseif explanations[action].default and explanations[action].default.default then
msg = explanations[action].default.default
else
error(string.format(
'could not find explanation blurb for action "%s", level "%s" and talk key "%s"',
action,
level,
talkKey
), 8)
end
return self:_substituteParameters(msg)
end
function Blurb:_makeImageLinkParameter()
local imageLinks = self._cfg.imageLinks
local action = self._protectionObj.action
local level = self._protectionObj.level
local msg
if imageLinks[action][level] then
msg = imageLinks[action][level]
elseif imageLinks[action].default then
msg = imageLinks[action].default
else
msg = imageLinks.edit.default
end
return self:_substituteParameters(msg)
end
function Blurb:_makeIntroBlurbParameter()
if self._protectionObj:isTemporary() then
return self:_getExpandedMessage('intro-blurb-expiry')
else
return self:_getExpandedMessage('intro-blurb-noexpiry')
end
end
function Blurb:_makeIntroFragmentParameter()
if self._protectionObj:isTemporary() then
return self:_getExpandedMessage('intro-fragment-expiry')
else
return self:_getExpandedMessage('intro-fragment-noexpiry')
end
end
function Blurb:_makePagetypeParameter()
local pagetypes = self._cfg.pagetypes
return pagetypes[self._protectionObj.title.namespace]
or pagetypes.default
or error('no default pagetype defined', 8)
end
function Blurb:_makeProtectionBlurbParameter()
local protectionBlurbs = self._cfg.protectionBlurbs
local action = self._protectionObj.action
local level = self._protectionObj.level
local msg
if protectionBlurbs[action][level] then
msg = protectionBlurbs[action][level]
elseif protectionBlurbs[action].default then
msg = protectionBlurbs[action].default
elseif protectionBlurbs.edit.default then
msg = protectionBlurbs.edit.default
else
error('no protection blurb defined for protectionBlurbs.edit.default', 8)
end
return self:_substituteParameters(msg)
end
function Blurb:_makeProtectionDateParameter()
local protectionDate = self._protectionObj.protectionDate
if type(protectionDate) == 'number' then
return self:_formatDate(protectionDate)
else
return protectionDate
end
end
function Blurb:_makeProtectionLevelParameter()
local protectionLevels = self._cfg.protectionLevels
local action = self._protectionObj.action
local level = self._protectionObj.level
local msg
if protectionLevels[action][level] then
msg = protectionLevels[action][level]
elseif protectionLevels[action].default then
msg = protectionLevels[action].default
elseif protectionLevels.edit.default then
msg = protectionLevels.edit.default
else
error('no protection level defined for protectionLevels.edit.default', 8)
end
return self:_substituteParameters(msg)
end
function Blurb:_makeProtectionLogParameter()
local pagename = self._protectionObj.title.prefixedText
if self._protectionObj.action == 'autoreview' then
-- We need the pending changes log.
return makeFullUrl(
'Special:Log',
{type = 'stable', page = pagename},
self:_getExpandedMessage('pc-log-display')
)
else
-- We need the protection log.
return makeFullUrl(
'Special:Log',
{type = 'protect', page = pagename},
self:_getExpandedMessage('protection-log-display')
)
end
end
function Blurb:_makeTalkPageParameter()
return string.format(
'[[%s:%s#%s|%s]]',
mw.site.namespaces[self._protectionObj.title.namespace].talk.name,
self._protectionObj.title.text,
self._args.section or 'top',
self:_getExpandedMessage('talk-page-link-display')
)
end
function Blurb:_makeTooltipBlurbParameter()
if self._protectionObj:isTemporary() then
return self:_getExpandedMessage('tooltip-blurb-expiry')
else
return self:_getExpandedMessage('tooltip-blurb-noexpiry')
end
end
function Blurb:_makeTooltipFragmentParameter()
if self._protectionObj:isTemporary() then
return self:_getExpandedMessage('tooltip-fragment-expiry')
else
return self:_getExpandedMessage('tooltip-fragment-noexpiry')
end
end
function Blurb:_makeVandalTemplateParameter()
return require('Module:Vandal-m')._main{
self._args.user or self._protectionObj.title.baseText
}
end
-- Public methods --
function Blurb:makeBannerText(key)
-- Validate input.
if not key or not Blurb.bannerTextFields[key] then
error(string.format(
'"%s" is not a valid banner config field',
tostring(key)
), 2)
end
-- Generate the text.
local msg = self._protectionObj.bannerConfig[key]
if type(msg) == 'string' then
return self:_substituteParameters(msg)
elseif type(msg) == 'function' then
msg = msg(self._protectionObj, self._args)
if type(msg) ~= 'string' then
error(string.format(
'bad output from banner config function with key "%s"'
.. ' (expected string, got %s)',
tostring(key),
type(msg)
), 4)
end
return self:_substituteParameters(msg)
end
end
--------------------------------------------------------------------------------
-- BannerTemplate class
--------------------------------------------------------------------------------
local BannerTemplate = {}
BannerTemplate.__index = BannerTemplate
function BannerTemplate.new(protectionObj, cfg)
local obj = {}
obj._cfg = cfg
-- Set the image filename.
local imageFilename = protectionObj.bannerConfig.image
if imageFilename then
obj._imageFilename = imageFilename
else
-- If an image filename isn't specified explicitly in the banner config,
-- generate it from the protection status and the namespace.
local action = protectionObj.action
local level = protectionObj.level
local namespace = protectionObj.title.namespace
local reason = protectionObj.reason
-- Deal with special cases first.
if (
namespace == 10
or namespace == 828
or reason and obj._cfg.indefImageReasons[reason]
)
and action == 'edit'
and level == 'sysop'
and not protectionObj:isTemporary()
then
-- Fully protected modules and templates get the special red "indef"
-- padlock.
obj._imageFilename = obj._cfg.msg['image-filename-indef']
else
-- Deal with regular protection types.
local images = obj._cfg.images
if images[action] then
if images[action][level] then
obj._imageFilename = images[action][level]
elseif images[action].default then
obj._imageFilename = images[action].default
end
end
end
end
return setmetatable(obj, BannerTemplate)
end
function BannerTemplate:renderImage()
local filename = self._imageFilename
or self._cfg.msg['image-filename-default']
or 'Transparent.gif'
return makeFileLink{
file = filename,
size = (self.imageWidth or 20) .. 'px',
alt = self._imageAlt,
link = self._imageLink,
caption = self.imageCaption
}
end
--------------------------------------------------------------------------------
-- Banner class
--------------------------------------------------------------------------------
local Banner = setmetatable({}, BannerTemplate)
Banner.__index = Banner
function Banner.new(protectionObj, blurbObj, cfg)
local obj = BannerTemplate.new(protectionObj, cfg) -- This doesn't need the blurb.
obj.imageWidth = 40
obj.imageCaption = blurbObj:makeBannerText('alt') -- Large banners use the alt text for the tooltip.
obj._reasonText = blurbObj:makeBannerText('text')
obj._explanationText = blurbObj:makeBannerText('explanation')
obj._page = protectionObj.title.prefixedText -- Only makes a difference in testing.
return setmetatable(obj, Banner)
end
function Banner:__tostring()
-- Renders the banner.
makeMessageBox = makeMessageBox or require('Module:Message box').main
local reasonText = self._reasonText or error('no reason text set', 2)
local explanationText = self._explanationText
local mbargs = {
page = self._page,
type = 'protection',
image = self:renderImage(),
text = string.format(
"'''%s'''%s",
reasonText,
explanationText and '<br />' .. explanationText or ''
)
}
return makeMessageBox('mbox', mbargs)
end
--------------------------------------------------------------------------------
-- Padlock class
--------------------------------------------------------------------------------
local Padlock = setmetatable({}, BannerTemplate)
Padlock.__index = Padlock
function Padlock.new(protectionObj, blurbObj, cfg)
local obj = BannerTemplate.new(protectionObj, cfg) -- This doesn't need the blurb.
obj.imageWidth = 20
obj.imageCaption = blurbObj:makeBannerText('tooltip')
obj._imageAlt = blurbObj:makeBannerText('alt')
obj._imageLink = blurbObj:makeBannerText('link')
obj._indicatorName = cfg.padlockIndicatorNames[protectionObj.action]
or cfg.padlockIndicatorNames.default
or 'pp-default'
return setmetatable(obj, Padlock)
end
function Padlock:__tostring()
local frame = mw.getCurrentFrame()
-- The nowiki tag helps prevent whitespace at the top of articles.
return frame:extensionTag{name = 'nowiki'} .. frame:extensionTag{
name = 'indicator',
args = {name = self._indicatorName},
content = self:renderImage()
}
end
--------------------------------------------------------------------------------
-- Exports
--------------------------------------------------------------------------------
local p = {}
function p._exportClasses()
-- This is used for testing purposes.
return {
Protection = Protection,
Blurb = Blurb,
BannerTemplate = BannerTemplate,
Banner = Banner,
Padlock = Padlock,
}
end
function p._main(args, cfg, title)
args = args or {}
cfg = cfg or require(CONFIG_MODULE)
local protectionObj = Protection.new(args, cfg, title)
local ret = {}
-- If a page's edit protection is equally or more restrictive than its
-- protection from some other action, then don't bother displaying anything
-- for the other action (except categories).
if protectionObj.action == 'edit' or
args.demolevel or
not getReachableNodes(
cfg.hierarchy,
protectionObj.level
)[effectiveProtectionLevel('edit', protectionObj.title)]
then
-- Initialise the blurb object
local blurbObj = Blurb.new(protectionObj, args, cfg)
-- Render the banner
if protectionObj:isProtected() then
ret[#ret + 1] = tostring(
(yesno(args.small) and Padlock or Banner)
.new(protectionObj, blurbObj, cfg)
)
end
end
-- Render the categories
if yesno(args.category) ~= false then
ret[#ret + 1] = protectionObj:makeCategoryLinks()
end
return table.concat(ret)
end
function p.main(frame, cfg)
cfg = cfg or require(CONFIG_MODULE)
-- Find default args, if any.
local parent = frame.getParent and frame:getParent()
local defaultArgs = parent and cfg.wrappers[parent:getTitle():gsub('/sandbox$', '')]
-- Find user args, and use the parent frame if we are being called from a
-- wrapper template.
getArgs = getArgs or require('Module:Arguments').getArgs
local userArgs = getArgs(frame, {
parentOnly = defaultArgs,
frameOnly = not defaultArgs
})
-- Build the args table. User-specified args overwrite default args.
local args = {}
for k, v in pairs(defaultArgs or {}) do
args[k] = v
end
for k, v in pairs(userArgs) do
args[k] = v
end
return p._main(args, cfg)
end
return p
