4chan-x/src/classes/Fetcher.coffee

246 lines
9.7 KiB
CoffeeScript

class Fetcher
constructor: (@boardID, @threadID, @postID, @root, @quoter) ->
if post = g.posts["#{@boardID}.#{@postID}"]
@insert post
return
# 4chan X catalog data
if (post = Index.replyData?["#{@boardID}.#{@postID}"]) and (thread = g.threads["#{@boardID}.#{@threadID}"])
board = g.boards[@boardID]
post = new Post Build.postFromObject(post, @boardID), thread, board
post.isFetchedQuote = true
Main.callbackNodes 'Post', [post]
@insert post
return
@root.textContent = "Loading post No.#{@postID}..."
if @threadID
$.cache "#{location.protocol}//a.4cdn.org/#{@boardID}/thread/#{@threadID}.json", (e, isCached) =>
@fetchedPost e.target, isCached
else
@archivedPost()
insert: (post) ->
# Stop here if the container has been removed while loading.
return unless @root.parentNode
@quoter or= post
clone = post.addClone @quoter.context, ($.hasClass @root, 'dialog')
Main.callbackNodes 'Post', [clone]
# Get rid of the side arrows/stubs.
{nodes} = clone
$.rmAll nodes.root
$.add nodes.root, nodes.post
# Indicate links to the containing post.
for quote in clone.nodes.quotelinks.concat [clone.nodes.backlinks...]
{boardID, postID} = Get.postDataFromLink quote
if postID is @quoter.ID and boardID is @quoter.board.ID
$.addClass quote, 'forwardlink'
# Set up flag CSS for cross-board links to boards with flags
if clone.nodes.flag and not (Fetcher.flagCSS or= $ 'link[href^="//s.4cdn.org/css/flags."]')
cssVersion = $('link[href^="//s.4cdn.org/css/"]')?.href.match(/\d+(?=\.css$)|$/)[0] or Date.now()
Fetcher.flagCSS = $.el 'link',
rel: 'stylesheet'
href: "//s.4cdn.org/css/flags.#{cssVersion}.css"
$.add d.head, Fetcher.flagCSS
$.rmAll @root
$.add @root, nodes.root
$.event 'PostsInserted'
fetchedPost: (req, isCached) ->
# In case of multiple callbacks for the same request,
# don't parse the same original post more than once.
if post = g.posts["#{@boardID}.#{@postID}"]
@insert post
return
{status} = req
unless status is 200
# The thread can die by the time we check a quote.
return if @archivedPost()
$.addClass @root, 'warning'
@root.textContent =
if status is 404
"Thread No.#{@threadID} 404'd."
else
"Error #{req.statusText} (#{req.status})."
return
{posts} = req.response
Build.spoilerRange[@boardID] = posts[0].custom_spoiler
for post in posts
break if post.no is @postID # we found it!
if post.no isnt @postID
# Cached requests can be stale and must be rechecked.
if isCached
api = "#{location.protocol}//a.4cdn.org/#{@boardID}/thread/#{@threadID}.json"
$.cleanCache (url) -> url is api
$.cache api, (e) =>
@fetchedPost e.target, false
return
# The post can be deleted by the time we check a quote.
return if @archivedPost()
$.addClass @root, 'warning'
@root.textContent = "Post No.#{@postID} was not found."
return
board = g.boards[@boardID] or
new Board @boardID
thread = g.threads["#{@boardID}.#{@threadID}"] or
new Thread @threadID, board
post = new Post Build.postFromObject(post, @boardID), thread, board
post.isFetchedQuote = true
Main.callbackNodes 'Post', [post]
@insert post
archivedPost: ->
return false unless Conf['Resurrect Quotes']
return false if not (url = Redirect.to 'post', {@boardID, @postID})
archive = Redirect.data.post[@boardID]
if /^https:\/\//.test(url) or location.protocol is 'http:'
$.cache url, (e) =>
@parseArchivedPost e.target.response, url, archive
,
responseType: 'json'
withCredentials: archive.withCredentials
return true
else if Conf['Exempt Archives from Encryption']
CrossOrigin.json url, (response) =>
{media} = response
if media then for key of media when /_link$/.test key
# Image/thumbnail URLs loaded over HTTP can be modified in transit.
# Require them to be from an HTTP host so that no referrer is sent to them from an HTTPS page.
delete media[key] unless media[key]?.match /^http:\/\//
@parseArchivedPost response, url, archive
return true
return false
parseArchivedPost: (data, url, archive) ->
# In case of multiple callbacks for the same request,
# don't parse the same original post more than once.
if post = g.posts["#{@boardID}.#{@postID}"]
@insert post
return
unless data?
$.addClass @root, 'warning'
@root.textContent = "Error fetching Post No.#{@postID} from #{archive.name}."
return
if data.error
$.addClass @root, 'warning'
@root.textContent = data.error
return
# https://github.com/eksopl/asagi/blob/v0.4.0b74/src/main/java/net/easymodo/asagi/YotsubaAbstract.java#L82-L129
# https://github.com/FoolCode/FoolFuuka/blob/800bd090835489e7e24371186db6e336f04b85c0/src/Model/Comment.php#L368-L428
# https://github.com/bstats/b-stats/blob/6abe7bffaf6e5f523498d760e54b110df5331fbb/inc/classes/Yotsuba.php#L157-L168
comment = (data.comment or '').split /(\n|\[\/?(?:b|spoiler|code|moot|banned|fortune(?: color="#\w+")?|i|red|green|blue)\])/
comment = for text, i in comment
if i % 2 is 1
tag = @archiveTags[text.replace(/\ .*\]/, ']')]
if typeof tag is 'function' then tag(text) else tag
else
greentext = text[0] is '>'
text = text.replace /(\[\/?[a-z]+):lit(\])/g, '$1$2'
text = for text2, j in text.split /(>>(?:>\/[a-z\d]+\/)?\d+)/g
<%= html('?{j % 2}{<span class="deadlink">${text2}</span>}{${text2}}') %>
text = <%= html('?{greentext}{<span class="quote">@{text}</span>}{@{text}}') %>
text
comment = <%= html('@{comment}') %>
@threadID = +data.thread_num
o =
ID: @postID
threadID: @threadID
boardID: @boardID
isReply: @postID isnt @threadID
o.info =
subject: data.title
email: data.email
name: data.name or ''
tripcode: data.trip
capcode: switch data.capcode
# https://github.com/pleebe/FoolFuuka/blob/bf4224eed04637a4d0bd4411c2bf5f9945dfec0b/assets/themes/foolz/foolfuuka-theme-fuuka/src/Partial/Board.php#L77
when 'M' then 'Mod'
when 'A' then 'Admin'
when 'D' then 'Developer'
when 'V' then 'Verified'
when 'F' then 'Founder'
when 'G' then 'Manager'
uniqueID: data.poster_hash
flagCode: data.poster_country
flagCodeTroll: data.troll_country_code
flag: data.poster_country_name or data.troll_country_name
dateUTC: data.timestamp
dateText: data.fourchan_date
commentHTML: comment
delete o.info.uniqueID if o.info.capcode
if data.media and !!+data.media.banned
o.fileDeleted = true
else if data.media?.media_filename
{thumb_link} = data.media
# Fix URLs missing origin
thumb_link = url.split('/', 3).join('/') + thumb_link if thumb_link?[0] is '/'
thumb_link = '' unless Redirect.securityCheck thumb_link
media_link = Redirect.to('file', {boardID: @boardID, filename: data.media.media_orig})
media_link = '' unless Redirect.securityCheck media_link
o.file =
name: data.media.media_filename
url: media_link or
if @boardID is 'f'
"#{location.protocol}//#{ImageHost.flashHost()}/#{@boardID}/#{encodeURIComponent E data.media.media_filename}"
else
"#{location.protocol}//#{ImageHost.host()}/#{@boardID}/#{data.media.media_orig}"
height: data.media.media_h
width: data.media.media_w
MD5: data.media.media_hash
size: $.bytesToString data.media.media_size
thumbURL: thumb_link or "#{location.protocol}//#{ImageHost.thumbHost()}/#{@boardID}/#{data.media.preview_orig}"
theight: data.media.preview_h
twidth: data.media.preview_w
isSpoiler: data.media.spoiler is '1'
o.file.dimensions = "#{o.file.width}x#{o.file.height}" unless /\.pdf$/.test o.file.url
o.file.tag = JSON.parse(data.media.exif).Tag if @boardID is 'f' and data.media.exif
board = g.boards[@boardID] or
new Board @boardID
thread = g.threads["#{@boardID}.#{@threadID}"] or
new Thread @threadID, board
post = new Post Build.post(o), thread, board
post.kill()
post.file.thumbURL = o.file.thumbURL if post.file
post.isFetchedQuote = true
Main.callbackNodes 'Post', [post]
@insert post
archiveTags:
'\n': <%= html('<br>') %>
'[b]': <%= html('<b>') %>
'[/b]': <%= html('</b>') %>
'[spoiler]': <%= html('<s>') %>
'[/spoiler]': <%= html('</s>') %>
'[code]': <%= html('<pre class="prettyprint">') %>
'[/code]': <%= html('</pre>') %>
'[moot]': <%= html('<div style="padding:5px;margin-left:.5em;border-color:#faa;border:2px dashed rgba(255,0,0,.1);border-radius:2px">') %>
'[/moot]': <%= html('</div>') %>
'[banned]': <%= html('<strong style="color: red;">') %>
'[/banned]': <%= html('</strong>') %>
'[fortune]': (text) -> <%= html('<span class="fortune" style="color:${text.match(/#\\w+|$/)[0]}"><b>') %>
'[/fortune]': <%= html('</b></span>') %>
'[i]': <%= html('<span class="mu-i">') %>
'[/i]': <%= html('</span>') %>
'[red]': <%= html('<span class="mu-r">') %>
'[/red]': <%= html('</span>') %>
'[green]': <%= html('<span class="mu-g">') %>
'[/green]': <%= html('</span>') %>
'[blue]': <%= html('<span class="mu-b">') %>
'[/blue]': <%= html('</span>') %>