Move post fetching code into a class.
This commit is contained in:
parent
511dbf0ffc
commit
bacfbb4e64
@ -70,184 +70,3 @@ Get =
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for script in $$ 'script:not([src])', d.head
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return script.textContent if /\bcooldowns *=/.test script.textContent
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''
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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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@ -10,3 +10,4 @@
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<%= grunt.file.read('src/General/lib/simpledict.class') %>
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<%= grunt.file.read('src/General/lib/set.class') %>
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<%= grunt.file.read('src/General/lib/connection.class') %>
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<%= grunt.file.read('src/General/lib/fetcher.class') %>
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182
src/General/lib/fetcher.class
Normal file
182
src/General/lib/fetcher.class
Normal file
@ -0,0 +1,182 @@
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class Fetcher
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constructor: (@boardID, @threadID, @postID, @root, @context) ->
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if post = g.posts["#{@boardID}.#{@postID}"]
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@insert post
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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", do (self = @) -> ->
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self.fetchedPost @
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else
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@archivedPost()
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insert: (post) ->
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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) ->
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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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@insert post
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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 @archivedPost()
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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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$.cache api, do (self = @) -> ->
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self.fetchedPost @
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return
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# The post can be deleted by the time we check a quote.
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unless @archivedPost()
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$.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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@insert post
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archivedPost: ->
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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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$.cache url,
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do (self = @) -> -> self.parseArchivedPost @response
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,
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responseType: 'json'
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withCredentials: url.archive.withCredentials
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return true
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else if Conf['Except Archives from Encryption']
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CrossOrigin.json url, (response) =>
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{media} = response
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if media then for key of media when /_link$/.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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@parseArchivedPost response
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return true
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return false
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parseArchivedPost: (data) ->
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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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@insert post
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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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@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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@insert post
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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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@ -60,7 +60,7 @@ QuoteInline =
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qroot = $.x 'ancestor::*[contains(@class,"postContainer")][1]', root
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$.addClass qroot, 'hasInline'
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Get.postClone boardID, threadID, postID, inline, context
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new Fetcher boardID, threadID, postID, inline, context
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return unless (post = g.posts["#{boardID}.#{postID}"]) and
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context.thread is post.thread
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@ -24,7 +24,7 @@ QuotePreview =
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className: 'dialog'
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$.add Header.hover, qp
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Get.postClone boardID, threadID, postID, qp, Get.contextFromNode @
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new Fetcher boardID, threadID, postID, qp, Get.contextFromNode @
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UI.hover
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root: @
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