Main =
init: ->
# XXX dwb userscripts extension reloads scripts run at document-start when replaceState/pushState is called.
# XXX Firefox reinjects WebExtension content scripts when extension is updated / reloaded.
try
w = window
w = (w.wrappedJSObject or w) if $.platform is 'crx'
return if '<%= meta.name %> antidup' of w
w['<%= meta.name %> antidup'] = true
if location.hostname is 'www.google.com'
$.get 'Captcha Fixes', true, ({'Captcha Fixes': enabled}) ->
if enabled
$.ready -> Captcha.fixes.init()
return
# Don't run inside ad iframes.
try
return if window.frameElement and window.frameElement.src in ['', 'about:blank']
# Detect multiple copies of 4chan X
return if doc and $.hasClass(doc, 'fourchan-x')
$.asap docSet, ->
$.addClass doc, 'fourchan-x', 'seaweedchan'
$.addClass doc, "ua-#{$.engine}" if $.engine
$.on d, '4chanXInitFinished', ->
if Main.expectInitFinished
delete Main.expectInitFinished
else
new Notice 'error', 'Error: Multiple copies of 4chan X are enabled.'
$.addClass doc, 'tainted'
# Flatten default values from Config into Conf
flatten = (parent, obj) ->
if obj instanceof Array
Conf[parent] = obj[0]
else if typeof obj is 'object'
for key, val of obj
flatten key, val
else # string or number
Conf[parent] = obj
return
# XXX Remove document-breaking ad
if location.hostname in ['boards.4chan.org', 'boards.4channel.org']
$.global ->
fromCharCode0 = String.fromCharCode
String.fromCharCode = ->
if document.body
String.fromCharCode = fromCharCode0
else if document.currentScript and not document.currentScript.src
throw Error()
fromCharCode0.apply @, arguments
$.asap docSet, ->
$.onExists doc, 'iframe[srcdoc]', $.rm
flatten null, Config
for db in DataBoard.keys
Conf[db] = {}
Conf['customTitles'] = {'4chan.org': {boards: {'qa': {'boardTitle': {orig: '/qa/ - Question & Answer', title: '/qa/ - 2D / Random'}}}}}
Conf['boardConfig'] = boards: {}
Conf['archives'] = Redirect.archives
Conf['selectedArchives'] = {}
Conf['cooldowns'] = {}
Conf['Index Sort'] = {}
Conf["Last Long Reply Thresholds #{i}"] = {} for i in [0...2]
Conf['siteProperties'] = {}
# XXX old key names
Conf['Except Archives from Encryption'] = false
Conf['JSON Navigation'] = true
Conf['Oekaki Links'] = true
Conf['Show Name and Subject'] = false
Conf['QR Shortcut'] = true
Conf['Bottom QR Link'] = true
Conf['Toggleable Thread Watcher'] = true
Conf['siteSoftware'] = ''
Conf['Use Faster Image Host'] = 'true'
# Enforce JS whitelist
if /\.4chan(?:nel)?\.org$/.test(location.hostname) and !$$('script:not([src])', d).filter((s) -> /this\[/.test(s.textContent)).length
($.getSync or $.get) {'jsWhitelist': Conf['jsWhitelist']}, ({jsWhitelist}) ->
$.addCSP "script-src #{jsWhitelist.replace(/^#.*$/mg, '').replace(/[\s;]+/g, ' ').trim()}"
# Get saved values as items
items = {}
items[key] = undefined for key of Conf
items['previousversion'] = undefined
($.getSync or $.get) items, (items) ->
if !$.perProtocolSettings and /\.4chan(?:nel)?\.org$/.test(location.hostname) and (items['Redirect to HTTPS'] ? Conf['Redirect to HTTPS']) and location.protocol isnt 'https:'
location.replace('https://' + location.host + location.pathname + location.search + location.hash)
return
$.asap docSet, ->
# Don't hide the local storage warning behind a settings panel.
if $.cantSet
# pass
# Fresh install
else if !items.previousversion?
Main.isFirstRun = true
Main.ready ->
$.set 'previousversion', g.VERSION
Settings.open()
# Migrate old settings
else if items.previousversion isnt g.VERSION
Main.upgrade items
# Combine default values with saved values
for key, val of Conf
Conf[key] = items[key] ? val
Site.init Main.initFeatures
upgrade: (items) ->
{previousversion} = items
changes = Settings.upgrade items, previousversion
items.previousversion = changes.previousversion = g.VERSION
$.set changes, ->
if items['Show Updated Notifications'] ? true
el = $.el 'span',
`<%= html(meta.name + ' has been updated to version ${g.VERSION}.') %>`
new Notice 'info', el, 15
parseURL: (site=g.SITE, url=location) ->
r = {}
return r if !site
r.siteID = site.ID
return r if site.isBoardlessPage?(url)
pathname = url.pathname.split /\/+/
r.boardID = pathname[1]
if site.isFileURL(url)
r.VIEW = 'file'
else if site.isAuxiliaryPage?(url)
# pass
else if pathname[2] in ['thread', 'res']
r.VIEW = 'thread'
r.threadID = r.THREADID = +pathname[3].replace(/\.\w+$/, '')
else if /^(?:catalog|archive)(?:\.\w+)?$/.test(pathname[2])
r.VIEW = pathname[2].replace(/\.\w+$/, '')
else if /^(?:index|\d*)(?:\.\w+)?$/.test(pathname[2])
r.VIEW = 'index'
r
initFeatures: ->
$.global ->
document.documentElement.classList.add 'js-enabled'
window.FCX = {}
Main.jsEnabled = $.hasClass doc, 'js-enabled'
# XXX https://bugs.chromium.org/p/chromium/issues/detail?id=920638
$.ajaxPageInit?()
$.extend g, Main.parseURL()
g.BOARD = new Board g.boardID if g.boardID
if !g.VIEW
g.SITE.initAuxiliary?()
return
if g.VIEW is 'file'
$.asap (-> d.readyState isnt 'loading'), ->
if g.SITE.software is 'yotsuba' and Conf['404 Redirect'] and g.SITE.is404?()
pathname = location.pathname.split /\/+/
Redirect.navigate 'file', {
boardID: g.BOARD.ID
filename: pathname[pathname.length - 1]
}
else if video = $ 'video'
if Conf['Volume in New Tab']
Volume.setup video
if Conf['Loop in New Tab']
video.loop = true
video.controls = false
video.play()
ImageCommon.addControls video
return
g.threads = new SimpleDict()
g.posts = new SimpleDict()
# set up CSS when is completely loaded
$.onExists doc, 'body', Main.initStyle
# c.time 'All initializations'
for [name, feature] in Main.features
continue if g.SITE.disabledFeatures and name in g.SITE.disabledFeatures
# c.time "#{name} initialization"
try
feature.init()
catch err
Main.handleErrors
message: "\"#{name}\" initialization crashed."
error: err
# finally
# c.timeEnd "#{name} initialization"
# c.timeEnd 'All initializations'
$.ready Main.initReady
initStyle: ->
return if !Main.isThisPageLegit()
# disable the mobile layout
$('link[href*=mobile]', d.head)?.disabled = true
doc.dataset.host = location.host
$.addClass doc, "sw-#{g.SITE.software}"
$.addClass doc, if g.VIEW is 'thread' then 'thread-view' else g.VIEW
$.onExists doc, '.ad-cnt, .adg-rects > .desktop', (ad) -> $.onExists ad, 'img, iframe', -> $.addClass doc, 'ads-loaded'
$.addClass doc, 'autohiding-scrollbar' if Conf['Autohiding Scrollbar']
$.ready ->
if d.body.clientHeight > doc.clientHeight and (window.innerWidth is doc.clientWidth) isnt Conf['Autohiding Scrollbar']
Conf['Autohiding Scrollbar'] = !Conf['Autohiding Scrollbar']
$.set 'Autohiding Scrollbar', Conf['Autohiding Scrollbar']
$.toggleClass doc, 'autohiding-scrollbar'
$.addStyle CSS.sub(CSS.boards), 'fourchanx-css'
Main.bgColorStyle = $.el 'style', id: 'fourchanx-bgcolor-css'
keyboard = false
$.on d, 'mousedown', -> keyboard = false
$.on d, 'keydown', (e) -> (keyboard = true if e.keyCode is 9) # tab
window.addEventListener 'focus', (-> doc.classList.toggle 'keyboard-focus', keyboard), true
Main.setClass()
setClass: ->
knownStyles = ['yotsuba', 'yotsuba-b', 'futaba', 'burichan', 'photon', 'tomorrow', 'spooky']
if g.SITE.software is 'yotsuba' and g.VIEW is 'catalog'
if (mainStyleSheet = $.id('base-css'))
style = mainStyleSheet.href.match(/catalog_(\w+)/)?[1].replace('_new', '').replace(/_+/g, '-')
if style in knownStyles
$.addClass doc, style
return
style = mainStyleSheet = styleSheets = null
setStyle = ->
# Use preconfigured CSS for 4chan's default themes.
if g.SITE.software is 'yotsuba'
$.rmClass doc, style
style = null
for styleSheet in styleSheets
if styleSheet.href is mainStyleSheet?.href
style = styleSheet.title.toLowerCase().replace('new', '').trim().replace /\s+/g, '-'
style = styleSheet.href.match(/[a-z]*(?=[^/]*$)/)[0] if style is '_special'
style = null unless style in knownStyles
break
if style
$.addClass doc, style
$.rm Main.bgColorStyle
return
# Determine proper dialog background color for other themes.
div = g.SITE.bgColoredEl()
div.style.position = 'absolute';
div.style.visibility = 'hidden';
$.add d.body, div
bgColor = window.getComputedStyle(div).backgroundColor
$.rm div
rgb = bgColor.match(/[\d.]+/g)
# Use body background if reply background is transparent
unless /^rgb\(/.test(bgColor)
s = window.getComputedStyle(d.body)
bgColor = "#{s.backgroundColor} #{s.backgroundImage} #{s.backgroundRepeat} #{s.backgroundPosition}"
css = """
.dialog, .suboption-list > div:last-of-type, :root.catalog-hover-expand .catalog-container:hover > .post {
background: #{bgColor};
}
.unread-mark-read {
background-color: rgba(#{rgb[...3].join(', ')}, #{0.5*(rgb[3] || 1)});
}
"""
if $.luma(rgb) < 100
css += """
.watch-thread-link {
background-image: url("data:image/svg+xml,");
}
"""
Main.bgColorStyle.textContent = css
$.after $.id('fourchanx-css'), Main.bgColorStyle
$.onExists d.head, g.SITE.selectors.styleSheet, (el) ->
mainStyleSheet = el
if g.SITE.software is 'yotsuba'
styleSheets = $$ 'link[rel="alternate stylesheet"]', d.head
new MutationObserver(setStyle).observe mainStyleSheet, {
attributes: true
attributeFilter: ['href']
}
$.on mainStyleSheet, 'load', setStyle
setStyle()
unless mainStyleSheet
for styleSheet in $$ 'link[rel="stylesheet"]', d.head
$.on styleSheet, 'load', setStyle
setStyle()
initReady: ->
if g.SITE.is404?()
if g.VIEW is 'thread'
ThreadWatcher.set404 g.BOARD.ID, g.THREADID, ->
if Conf['404 Redirect']
Redirect.navigate 'thread',
boardID: g.BOARD.ID
threadID: g.THREADID
postID: +location.hash.match /\d+/ # post number or 0
, "/#{g.BOARD}/"
return
if g.SITE.isIncomplete?()
msg = $.el 'div',
`<%= html('The page didn't load completely.
Some features may not work unless you reload.') %>`
$.on $('a', msg), 'click', -> location.reload()
new Notice 'warning', msg
# Parse HTML or skip it and start building from JSON.
if g.VIEW is 'catalog'
Main.initCatalog()
else if !Index.enabled
Main.initThread()
else
Main.expectInitFinished = true
$.event '4chanXInitFinished'
initThread: ->
s = g.SITE.selectors
if (board = $ s.board)
threads = []
posts = []
errors = []
Main.addThreadsObserver = new MutationObserver Main.addThreads
Main.addPostsObserver = new MutationObserver Main.addPosts
Main.addThreadsObserver.observe board, {childList: true}
Main.parseThreads $$(s.thread, board), threads, posts, errors
Main.handleErrors errors if errors.length
if g.VIEW is 'thread'
g.SITE.parseThreadMetadata?(threads[0])
Main.callbackNodes 'Thread', threads
Main.callbackNodesDB 'Post', posts, ->
QuoteThreading.insert post for post in posts
Main.expectInitFinished = true
$.event '4chanXInitFinished'
else
Main.expectInitFinished = true
$.event '4chanXInitFinished'
parseThreads: (threadRoots, threads, posts, errors) ->
for threadRoot in threadRoots
boardObj = if (boardID = threadRoot.dataset.board)
boardID = encodeURIComponent boardID
g.boards[boardID] or new Board(boardID)
else
g.BOARD
threadID = +threadRoot.id.match(/\d*$/)[0]
return if !threadID or boardObj.threads[threadID]?.nodes.root
thread = new Thread threadID, boardObj
thread.nodes.root = threadRoot
threads.push thread
postRoots = $$ g.SITE.selectors.postContainer, threadRoot
postRoots.unshift threadRoot if g.SITE.isOPContainerThread
Main.parsePosts postRoots, thread, posts, errors
Main.addPostsObserver.observe threadRoot, {childList: true}
parsePosts: (postRoots, thread, posts, errors) ->
for postRoot in postRoots when !postRoot.dataset.fullID and $(g.SITE.selectors.comment, postRoot)
try
posts.push new Post postRoot, thread, thread.board
catch err
# Skip posts that we failed to parse.
errors.push
message: "Parsing of Post No.#{postRoot.id.match(/\d+/)} failed. Post will be skipped."
error: err
return
addThreads: (records) ->
threadRoots = []
for record in records
for node in record.addedNodes when node.nodeType is Node.ELEMENT_NODE and node.matches(g.SITE.selectors.thread)
threadRoots.push node
return unless threadRoots.length
threads = []
posts = []
errors = []
Main.parseThreads threadRoots, threads, posts, errors
Main.handleErrors errors if errors.length
Main.callbackNodes 'Thread', threads
Main.callbackNodesDB 'Post', posts, ->
$.event 'PostsInserted', null, records[0].target
addPosts: (records) ->
threads = []
threadsRM = []
posts = []
errors = []
for record in records
thread = Get.threadFromRoot record.target
postRoots = []
for node in record.addedNodes when node.nodeType is Node.ELEMENT_NODE
if node.matches(g.SITE.selectors.postContainer) or (node = $(g.SITE.selectors.postContainer, node))
postRoots.push node
n = posts.length
Main.parsePosts postRoots, thread, posts, errors
if posts.length > n and thread not in threads
threads.push thread
anyRemoved = false
for el in record.removedNodes
if Get.postFromRoot(el)?.nodes.root is el and !doc.contains(el)
anyRemoved = true
break
if anyRemoved and thread not in threadsRM
threadsRM.push thread
Main.handleErrors errors if errors.length
Main.callbackNodesDB 'Post', posts, ->
for thread in threads
$.event 'PostsInserted', null, thread.nodes.root
for thread in threadsRM
$.event 'PostsRemoved', null, thread.nodes.root
return
initCatalog: ->
s = g.SITE.selectors.catalog
if s and (board = $ s.board)
threads = []
errors = []
Main.addCatalogThreadsObserver = new MutationObserver Main.addCatalogThreads
Main.addCatalogThreadsObserver.observe board, {childList: true}
Main.parseCatalogThreads $$(s.thread, board), threads, errors
Main.handleErrors errors if errors.length
Main.callbackNodes 'CatalogThreadNative', threads
Main.expectInitFinished = true
$.event '4chanXInitFinished'
parseCatalogThreads: (threadRoots, threads, errors) ->
for threadRoot in threadRoots
try
thread = new CatalogThreadNative threadRoot
if thread.thread.catalogViewNative?.nodes.root isnt threadRoot
thread.thread.catalogViewNative = thread
threads.push thread
catch err
# Skip threads that we failed to parse.
errors.push
message: "Parsing of Catalog Thread No.#{(threadRoot.dataset.id or threadRoot.id).match(/\d+/)} failed. Thread will be skipped."
error: err
return
addCatalogThreads: (records) ->
threadRoots = []
for record in records
for node in record.addedNodes when node.nodeType is Node.ELEMENT_NODE and node.matches(g.SITE.selectors.catalog.thread)
threadRoots.push node
return unless threadRoots.length
threads = []
errors = []
Main.parseCatalogThreads threadRoots, threads, errors
Main.handleErrors errors if errors.length
Main.callbackNodes 'CatalogThreadNative', threads
callbackNodes: (klass, nodes) ->
i = 0
cb = Callbacks[klass]
while node = nodes[i++]
cb.execute node
return
callbackNodesDB: (klass, nodes, cb) ->
i = 0
cbs = Callbacks[klass]
fn = ->
return false if not (node = nodes[i])
cbs.execute node
++i % 25
softTask = ->
while fn()
continue
unless nodes[i]
(cb() if cb)
return
setTimeout softTask, 0
softTask()
handleErrors: (errors) ->
# Detect conflicts with 4chan X v2
if d.body and $.hasClass(d.body, 'fourchan_x') and not $.hasClass(doc, 'tainted')
new Notice 'error', 'Error: Multiple copies of 4chan X are enabled.'
$.addClass doc, 'tainted'
# Detect conflicts with native extension
if g.SITE.testNativeExtension and not $.hasClass(doc, 'tainted')
{enabled} = g.SITE.testNativeExtension()
if enabled
$.addClass doc, 'tainted'
if Conf['Disable Native Extension'] and !Main.isFirstRun
msg = $.el 'div',
`<%= html('Failed to disable the native extension. You may need to block it.') %>`
new Notice 'error', msg
unless errors instanceof Array
error = errors
else if errors.length is 1
error = errors[0]
if error
new Notice 'error', Main.parseError(error, Main.reportLink([error])), 15
return
div = $.el 'div',
`<%= html('${errors.length} errors occurred.&{Main.reportLink(errors)} [show]') %>`
$.on div.lastElementChild, 'click', ->
[@textContent, logs.hidden] = if @textContent is 'show' then (
['hide', false]
) else (
['show', true]
)
logs = $.el 'div',
hidden: true
for error in errors
$.add logs, Main.parseError error
new Notice 'error', [div, logs], 30
parseError: (data, reportLink) ->
c.error data.message, data.error.stack
message = $.el 'div',
`<%= html('${data.message}?{reportLink}{&{reportLink}}') %>`
error = $.el 'div',
textContent: "#{data.error.name or 'Error'}: #{data.error.message or 'see console for details'}"
lines = data.error.stack?.match(/\d+(?=:\d+\)?$)/mg)?.join().replace(/^/, ' at ') or ''
context = $.el 'div',
textContent: "(<%= meta.name %> <%= meta.fork %> v#{g.VERSION} #{$.platform} on #{$.engine}#{lines})"
[message, error, context]
reportLink: (errors) ->
data = errors[0]
title = data.message
title += " (+#{errors.length - 1} other errors)" if errors.length > 1
details = ''
addDetails = (text) ->
unless encodeURIComponent(title + details + text + '\n').length > <%= meta.newIssueMaxLength - meta.newIssue.replace(/%(title|details)/, '').length %>
details += text + '\n'
addDetails """
[Please describe the steps needed to reproduce this error.]
Script: <%= meta.name %> <%= meta.fork %> v#{g.VERSION} #{$.platform}
User agent: #{navigator.userAgent}
URL: #{location.href}
"""
addDetails '\n' + data.error
addDetails data.error.stack.replace(data.error.toString(), '').trim() if data.error.stack
addDetails '\n`' + data.html + '`' if data.html
details = details.replace /file:\/{3}.+\//g, '' # Remove local file paths
url = '<%= meta.newIssue %>'.replace('%title', encodeURIComponent title).replace('%details', encodeURIComponent details)
`<%= html(' [report]') %>`
isThisPageLegit: ->
# not 404 error page or similar.
unless 'thisPageIsLegit' of Main
Main.thisPageIsLegit = if g.SITE.isThisPageLegit
g.SITE.isThisPageLegit()
else
!/^[45]\d\d\b/.test(document.title) and !/\.json$/.test(location.pathname)
Main.thisPageIsLegit
ready: (cb) ->
$.ready ->
(cb() if Main.isThisPageLegit())
features: [
['Polyfill', Polyfill]
['Board Configuration', BoardConfig]
['Normalize URL', NormalizeURL]
['Delay Redirect on Post', PostRedirect]
['Captcha Configuration', Captcha.replace]
['Image Host Rewriting', ImageHost]
['Redirect', Redirect]
['Header', Header]
['Catalog Links', CatalogLinks]
['Settings', Settings]
['Index Generator', Index]
['Disable Autoplay', AntiAutoplay]
['Announcement Hiding', PSAHiding]
['Fourchan thingies', Fourchan]
['Tinyboard Glue', Tinyboard]
['Color User IDs', IDColor]
['Highlight by User ID', IDHighlight]
['Count Posts by ID', IDPostCount]
['Custom CSS', CustomCSS]
['Thread Links', ThreadLinks]
['Linkify', Linkify]
['Reveal Spoilers', RemoveSpoilers]
['Resurrect Quotes', Quotify]
['Filter', Filter]
['Thread Hiding Buttons', ThreadHiding]
['Reply Hiding Buttons', PostHiding]
['Recursive', Recursive]
['Strike-through Quotes', QuoteStrikeThrough]
['Captcha Solving Service', Captcha.service]
['Quick Reply Personas', QR.persona]
['Quick Reply', QR]
['Cooldown', QR.cooldown]
['Post Jumper', PostJumper]
['Pass Link', PassLink]
['Menu', Menu]
['Index Generator (Menu)', Index.menu]
['Report Link', ReportLink]
['Copy Text Link', CopyTextLink]
['Thread Hiding (Menu)', ThreadHiding.menu]
['Reply Hiding (Menu)', PostHiding.menu]
['Delete Link', DeleteLink]
['Filter (Menu)', Filter.menu]
['Edit Link', QR.oekaki.menu]
['Download Link', DownloadLink]
['Archive Link', ArchiveLink]
['Quote Inlining', QuoteInline]
['Quote Previewing', QuotePreview]
['Quote Backlinks', QuoteBacklink]
['Mark Quotes of You', QuoteYou]
['Mark OP Quotes', QuoteOP]
['Mark Cross-thread Quotes', QuoteCT]
['Anonymize', Anonymize]
['Time Formatting', Time]
['Relative Post Dates', RelativeDates]
['File Info Formatting', FileInfo]
['Fappe Tyme', FappeTyme]
['Gallery', Gallery]
['Gallery (menu)', Gallery.menu]
['Sauce', Sauce]
['Image Expansion', ImageExpand]
['Image Expansion (Menu)', ImageExpand.menu]
['Reveal Spoiler Thumbnails', RevealSpoilers]
['Image Loading', ImageLoader]
['Image Hover', ImageHover]
['Volume Control', Volume]
['WEBM Metadata', Metadata]
['Comment Expansion', ExpandComment]
['Thread Expansion', ExpandThread]
['Favicon', Favicon]
['Unread', Unread]
['Unread Line in Index', UnreadIndex]
['Quote Threading', QuoteThreading]
['Thread Stats', ThreadStats]
['Thread Updater', ThreadUpdater]
['Thread Watcher', ThreadWatcher]
['Thread Watcher (Menu)', ThreadWatcher.menu]
['Mark New IPs', MarkNewIPs]
['Index Navigation', Nav]
['Keybinds', Keybinds]
['Banner', Banner]
['Flash Features', Flash]
['Reply Pruning', ReplyPruning]
['Mod Contact Links', ModContact]
<% if (readJSON('/.tests_enabled')) { %>
['Build Test', Test]
<% } %>
]