251 lines
9.3 KiB
CoffeeScript
Executable File
251 lines
9.3 KiB
CoffeeScript
Executable File
Get =
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threadExcerpt: (thread) ->
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{OP} = thread
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excerpt = "/#{thread.board}/ - " + (
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OP.info.subject?.trim() or
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OP.info.comment.replace(/\n+/g, ' // ') or
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Conf['Anonymize'] and 'Anonymous' or
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$('.nameBlock', OP.nodes.info).textContent.trim())
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return "#{excerpt[...70]}..." if excerpt.length > 73
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excerpt
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threadFromRoot: (root) ->
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g.threads["#{g.BOARD}.#{root.id[1..]}"]
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threadFromNode: (node) ->
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Get.threadFromRoot $.x 'ancestor::div[@class="thread"]', node
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postFromRoot: (root) ->
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link = $ 'a[title="Link to this post"]', root
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boardID = link.pathname.split('/')[1]
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postID = link.hash[2..]
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index = root.dataset.clone
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post = g.posts["#{boardID}.#{postID}"]
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if index then post.clones[index] else post
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postFromNode: (root) ->
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Get.postFromRoot $.x '(ancestor::div[contains(@class,"postContainer")][1]|following::div[contains(@class,"postContainer")][1])', root
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contextFromNode: (node) ->
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Get.postFromRoot $.x 'ancestor::div[parent::div[@class="thread"]][1]', node
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postDataFromLink: (link) ->
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if link.hostname is 'boards.4chan.org'
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path = link.pathname.split '/'
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boardID = path[1]
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threadID = path[3]
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postID = link.hash[2..]
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else # resurrected quote
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{boardID, threadID, postID} = link.dataset
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threadID or= 0
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return {
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boardID: boardID
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threadID: +threadID
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postID: +postID
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}
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allQuotelinksLinkingTo: (post) ->
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# Get quotelinks & backlinks linking to the given post.
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quotelinks = []
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{posts} = g
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{fullID} = post
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handleQuotes = (qPost, type) ->
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quotelinks.push qPost.nodes[type]...
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quotelinks.push clone.nodes[type]... for clone in qPost.clones
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return
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# First:
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# In every posts,
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# if it did quote this post,
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# get all their backlinks.
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posts.forEach (qPost) ->
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if fullID in qPost.quotes
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handleQuotes qPost, 'quotelinks'
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# Second:
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# If we have quote backlinks:
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# in all posts this post quoted
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# and their clones,
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# get all of their backlinks.
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if Conf['Quote Backlinks']
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handleQuotes qPost, 'backlinks' for quote in post.quotes when qPost = posts[quote]
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# Third:
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# Filter out irrelevant quotelinks.
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quotelinks.filter (quotelink) ->
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{boardID, postID} = Get.postDataFromLink quotelink
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boardID is post.board.ID and postID is post.ID
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postClone: (boardID, threadID, postID, root, context) ->
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if post = g.posts["#{boardID}.#{postID}"]
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Get.insert post, root, context
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return
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root.textContent = "Loading post No.#{postID}..."
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if threadID
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$.cache "//a.4cdn.org/#{boardID}/thread/#{threadID}.json", ->
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Get.fetchedPost @, boardID, threadID, postID, root, context
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else
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Get.archivedPost boardID, postID, root, context
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insert: (post, root, context) ->
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# Stop here if the container has been removed while loading.
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return unless root.parentNode
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clone = post.addClone context, ($.hasClass root, 'dialog')
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Main.callbackNodes Clone, [clone]
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# Get rid of the side arrows.
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{nodes} = clone
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$.rmAll nodes.root
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$.add nodes.root, nodes.post
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$.rmAll root
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$.add root, nodes.root
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$.event 'PostsInserted'
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fetchedPost: (req, boardID, threadID, postID, root, context) ->
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# In case of multiple callbacks for the same request,
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# don't parse the same original post more than once.
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if post = g.posts["#{boardID}.#{postID}"]
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Get.insert post, root, context
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return
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{status} = req
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unless status in [200, 304]
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# The thread can die by the time we check a quote.
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unless Get.archivedPost boardID, postID, root, context
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$.addClass root, 'warning'
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root.textContent =
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if status is 404
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"Thread No.#{threadID} 404'd."
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else
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"Error #{req.statusText} (#{req.status})."
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return
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{posts} = req.response
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Build.spoilerRange[boardID] = posts[0].custom_spoiler
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for post in posts
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break if post.no is postID # we found it!
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if post.no isnt postID
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# Cached requests can be stale and must be rechecked.
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if req.cached
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api = "//a.4cdn.org/#{boardID}/thread/#{threadID}.json"
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$.cleanCache (url) -> url is api
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$.cache api, ->
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Get.fetchedPost @, boardID, threadID, postID, root, context
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return
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# The post can be deleted by the time we check a quote.
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unless Get.archivedPost boardID, postID, root, context
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$.addClass root, 'warning'
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root.textContent = "Post No.#{postID} was not found."
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return
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board = g.boards[boardID] or
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new Board boardID
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thread = g.threads["#{boardID}.#{threadID}"] or
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new Thread threadID, board
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post = new Post Build.postFromObject(post, boardID), thread, board
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post.isFetchedQuote = true
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Main.callbackNodes Post, [post]
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Get.insert post, root, context
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archivedPost: (boardID, postID, root, context) ->
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return false unless Conf['Resurrect Quotes']
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return false unless url = Redirect.to 'post', {boardID, postID}
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if /^https:\/\//.test(url) or location.protocol is 'http:'
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$.cache url,
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-> Get.parseArchivedPost @response, boardID, postID, root, context
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,
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responseType: 'json'
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withCredentials: url.archive.withCredentials
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return true
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else if Conf['Except Archives from Encryption']
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CrossOrigin.json url, (response) ->
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{media} = response
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if media then for key of media when /_link$/.test key
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# Image/thumbnail URLs loaded over HTTP can be modified in transit.
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# Require them to be from a known HTTP host so that no referrer is sent to them from an HTTPS page.
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delete media[key] unless media[key]? and media[key].match(/^(http:\/\/[^\/]+\/)?/)[0] in url.archive.imagehosts
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Get.parseArchivedPost response, boardID, postID, root, context
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return true
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return false
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parseArchivedPost: (data, boardID, postID, root, context) ->
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# In case of multiple callbacks for the same request,
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# don't parse the same original post more than once.
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if post = g.posts["#{boardID}.#{postID}"]
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Get.insert post, root, context
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return
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if data.error
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$.addClass root, 'warning'
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root.textContent = data.error
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return
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# https://github.com/eksopl/fuuka/blob/master/Board/Yotsuba.pm#L413-452
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# https://github.com/eksopl/asagi/blob/master/src/main/java/net/easymodo/asagi/Yotsuba.java#L109-138
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comment = (data.comment or '').split /(\n|\[\/?(?:b|spoiler|code|moot|banned)\])/
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comment = for text, i in comment
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if i % 2 is 1
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Get.archiveTags[text]
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else
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greentext = text[0] is '>'
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text = text.replace /(\[\/?[a-z]+):lit(\])/, '$1$2'
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text = for text2, j in text.split /(>>(?:>\/[a-z\d]+\/)?\d+)/g
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if j % 2 is 1
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<%= html('<span class="deadlink">${text2}</span>') %>
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else
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<%= html('${text2}') %>
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text = <%= html('@{text}') %>
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text = <%= html('<span class="quote">&{text}</span>') %> if greentext
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text
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comment = <%= html('@{comment}') %>
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threadID = +data.thread_num
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o =
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# id
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postID: postID
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threadID: threadID
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boardID: boardID
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# info
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name: data.name
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capcode: switch data.capcode
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when 'M' then 'mod'
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when 'A' then 'admin'
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when 'D' then 'developer'
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tripcode: data.trip
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uniqueID: data.poster_hash
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email: data.email or ''
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subject: data.title
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flagCode: data.poster_country
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flagName: data.poster_country_name
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date: data.fourchan_date
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dateUTC: data.timestamp
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comment: comment
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# file
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if data.media?.media_filename
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o.file =
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name: data.media.media_filename
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timestamp: data.media.media_orig
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url: data.media.media_link or data.media.remote_media_link or
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"//i.4cdn.org/#{boardID}/#{encodeURIComponent data.media[if boardID is 'f' then 'media_filename' else 'media_orig']}"
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height: data.media.media_h
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width: data.media.media_w
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MD5: data.media.media_hash
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size: data.media.media_size
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turl: data.media.thumb_link or "//t.4cdn.org/#{boardID}/#{data.media.preview_orig}"
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theight: data.media.preview_h
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twidth: data.media.preview_w
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isSpoiler: data.media.spoiler is '1'
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o.file.tag = JSON.parse(data.media.exif).Tag if boardID is 'f'
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board = g.boards[boardID] or
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new Board boardID
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thread = g.threads["#{boardID}.#{threadID}"] or
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new Thread threadID, board
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post = new Post Build.post(o), thread, board, {isArchived: true}
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post.file.thumbURL = o.file.turl if post.file
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post.isFetchedQuote = true
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Main.callbackNodes Post, [post]
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Get.insert post, root, context
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archiveTags:
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'\n': <%= html('<br>') %>
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'[b]': <%= html('<b>') %>
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'[/b]': <%= html('</b>') %>
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'[spoiler]': <%= html('<s>') %>
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'[/spoiler]': <%= html('</s>') %>
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'[code]': <%= html('<pre class="prettyprint">') %>
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'[/code]': <%= html('</pre>') %>
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'[moot]': <%= html('<div style="padding:5px;margin-left:.5em;border-color:#faa;border:2px dashed rgba(255,0,0,.1);border-radius:2px">') %>
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'[/moot]': <%= html('</div>') %>
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'[banned]': <%= html('<strong style="color: red;">') %>
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'[/banned]': <%= html('</strong>') %>
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