2019-05-02 18:17:27 -04:00
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# frozen_string_literal: true
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2013-07-06 13:10:53 -04:00
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# Post processing that we can do after a post has already been cooked.
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2013-07-07 19:39:08 -04:00
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# For example, inserting the onebox content, or image sizes/thumbnails.
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2013-02-05 14:16:51 -05:00
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class CookedPostProcessor
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2018-11-27 03:00:31 -05:00
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INLINE_ONEBOX_LOADING_CSS_CLASS = "inline-onebox-loading"
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INLINE_ONEBOX_CSS_CLASS = "inline-onebox"
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2019-03-31 22:14:29 -04:00
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LIGHTBOX_WRAPPER_CSS_CLASS = "lightbox-wrapper"
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2018-12-14 17:44:38 -05:00
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LOADING_SIZE = 10
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LOADING_COLORS = 32
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2018-11-27 03:00:31 -05:00
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2017-11-12 19:19:06 -05:00
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attr_reader :cooking_options, :doc
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2016-08-12 15:28:54 -04:00
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2017-07-27 21:20:09 -04:00
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def initialize(post, opts = {})
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2013-02-05 14:16:51 -05:00
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@dirty = false
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@opts = opts
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@post = post
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2013-12-06 05:16:13 -05:00
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@previous_cooked = (@post.cooked || "").dup
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2015-09-29 12:51:26 -04:00
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# NOTE: we re-cook the post here in order to prevent timing issues with edits
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# cf. https://meta.discourse.org/t/edit-of-rebaked-post-doesnt-show-in-html-only-in-raw/33815/6
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2015-12-03 15:01:18 -05:00
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@cooking_options = post.cooking_options || opts[:cooking_options] || {}
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2018-11-26 01:23:56 -05:00
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@cooking_options[:topic_id] = post.topic_id
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2015-12-03 15:01:18 -05:00
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@cooking_options = @cooking_options.symbolize_keys
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2016-04-12 14:09:59 -04:00
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2018-11-25 23:57:07 -05:00
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@doc = Nokogiri::HTML::fragment(post.cook(post.raw, @cooking_options))
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2019-09-10 06:59:48 -04:00
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@has_oneboxes = post.post_analyzer.found_oneboxes?
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2013-02-19 01:57:14 -05:00
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@size_cache = {}
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2018-12-14 17:44:38 -05:00
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@disable_loading_image = !!opts[:disable_loading_image]
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2019-10-22 13:11:04 -04:00
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@omit_nofollow = post.omit_nofollow?
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2013-02-05 14:16:51 -05:00
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end
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2019-01-16 21:24:32 -05:00
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def post_process(bypass_bump: false, new_post: false)
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2019-08-04 21:57:35 -04:00
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DistributedMutex.synchronize("post_process_#{@post.id}", validity: 10.minutes) do
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2017-10-16 23:17:00 -04:00
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DiscourseEvent.trigger(:before_post_process_cooked, @doc, @post)
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2019-05-15 11:49:29 -04:00
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remove_full_quote_on_direct_reply if new_post
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2015-08-13 23:05:13 -04:00
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post_process_oneboxes
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2017-11-16 09:45:07 -05:00
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post_process_images
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2018-03-13 13:07:51 -04:00
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post_process_quotes
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2015-08-13 23:05:13 -04:00
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optimize_urls
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2019-04-22 22:45:41 -04:00
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remove_user_ids
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2017-10-23 12:15:51 -04:00
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update_post_image
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2017-10-23 13:09:38 -04:00
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enforce_nofollow
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2015-08-13 23:05:13 -04:00
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pull_hotlinked_images(bypass_bump)
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2016-04-07 12:27:26 -04:00
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grant_badges
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2018-09-06 02:08:03 -04:00
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@post.link_post_uploads(fragments: @doc)
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2017-06-23 14:35:10 -04:00
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DiscourseEvent.trigger(:post_process_cooked, @doc, @post)
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nil
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2016-04-05 15:12:02 -04:00
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end
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end
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2016-04-06 12:02:18 -04:00
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def has_emoji?
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(@doc.css("img.emoji") - @doc.css(".quote img")).size > 0
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end
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2016-04-07 12:27:26 -04:00
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def grant_badges
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2016-04-05 16:13:10 -04:00
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return unless Guardian.new.can_see?(@post)
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2016-04-13 16:38:24 -04:00
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BadgeGranter.grant(Badge.find(Badge::FirstEmoji), @post.user, post_id: @post.id) if has_emoji?
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BadgeGranter.grant(Badge.find(Badge::FirstOnebox), @post.user, post_id: @post.id) if @has_oneboxes
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2016-08-10 13:24:01 -04:00
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BadgeGranter.grant(Badge.find(Badge::FirstReplyByEmail), @post.user, post_id: @post.id) if @post.is_reply_by_email?
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2013-02-05 14:16:51 -05:00
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end
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2018-03-13 13:07:51 -04:00
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def post_process_quotes
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@doc.css("aside.quote").each do |q|
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post_number = q['data-post']
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topic_id = q['data-topic']
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if topic_id && post_number
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comparer = QuoteComparer.new(
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topic_id.to_i,
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post_number.to_i,
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q.css('blockquote').text
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)
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if comparer.modified?
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q['class'] = ((q['class'] || '') + " quote-modified").strip
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end
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end
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end
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end
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2019-05-15 11:49:29 -04:00
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def remove_full_quote_on_direct_reply
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return if !SiteSetting.remove_full_quote
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return if @post.post_number == 1
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2019-12-20 03:24:34 -05:00
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return if @doc.xpath("aside[contains(@class, 'quote')]").size != 1
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2018-12-07 07:07:11 -05:00
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2019-05-15 11:49:29 -04:00
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previous = Post
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.where("post_number < ? AND topic_id = ? AND post_type = ? AND NOT hidden", @post.post_number, @post.topic_id, Post.types[:regular])
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.order("post_number DESC")
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.limit(1)
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.pluck(:cooked)
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.first
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2018-12-07 07:07:11 -05:00
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2019-05-15 11:49:29 -04:00
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return if previous.blank?
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2018-12-07 07:07:11 -05:00
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2019-06-04 05:59:44 -04:00
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previous_text = Nokogiri::HTML::fragment(previous).text.strip
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2019-05-17 08:17:29 -04:00
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quoted_text = @doc.css("aside.quote:first-child blockquote").first&.text&.strip || ""
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return if previous_text.gsub(/(\s){2,}/, '\1') != quoted_text.gsub(/(\s){2,}/, '\1')
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2019-05-15 11:49:29 -04:00
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2019-12-20 03:24:34 -05:00
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quote_regexp = /\A\s*\[quote.+\[\/quote\]/im
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2019-05-15 11:49:29 -04:00
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quoteless_raw = @post.raw.sub(quote_regexp, "").strip
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return if @post.raw.strip == quoteless_raw
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2018-12-07 07:07:11 -05:00
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PostRevisor.new(@post).revise!(
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Discourse.system_user,
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{
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2019-05-15 11:49:29 -04:00
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raw: quoteless_raw,
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2018-12-07 07:07:11 -05:00
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edit_reason: I18n.t(:removed_direct_reply_full_quotes)
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},
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2018-12-12 09:42:53 -05:00
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skip_validations: true,
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bypass_bump: true
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2018-12-07 07:07:11 -05:00
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)
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end
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2018-10-10 17:57:21 -04:00
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def add_image_placeholder!(img)
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src = img["src"].sub(/^https?:/i, "")
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if large_images.include?(src)
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return add_large_image_placeholder!(img)
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elsif broken_images.include?(src)
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return add_broken_image_placeholder!(img)
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end
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false
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end
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2017-11-15 05:30:47 -05:00
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def add_large_image_placeholder!(img)
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url = img["src"]
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is_hyperlinked = is_a_hyperlink?(img)
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placeholder = create_node("div", "large-image-placeholder")
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img.add_next_sibling(placeholder)
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placeholder.add_child(img)
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a = create_link_node(nil, url, true)
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img.add_next_sibling(a)
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span = create_span_node("url", url)
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a.add_child(span)
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2018-11-26 16:49:57 -05:00
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span.add_previous_sibling(create_icon_node("far-image"))
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2017-11-15 05:30:47 -05:00
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span.add_next_sibling(create_span_node("help", I18n.t("upload.placeholders.too_large", max_size_kb: SiteSetting.max_image_size_kb)))
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# Only if the image is already linked
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if is_hyperlinked
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parent = placeholder.parent
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parent.add_next_sibling(placeholder)
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2017-11-15 07:06:48 -05:00
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if parent.name == 'a' && parent["href"].present?
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if url == parent["href"]
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parent.remove
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else
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parent["class"] = "link"
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a.add_previous_sibling(parent)
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lspan = create_span_node("url", parent["href"])
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parent.add_child(lspan)
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lspan.add_previous_sibling(create_icon_node("link"))
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end
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2017-11-15 05:30:47 -05:00
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end
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end
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img.remove
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2018-10-10 17:57:21 -04:00
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true
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2017-11-16 09:45:07 -05:00
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end
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def add_broken_image_placeholder!(img)
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img.name = "span"
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2018-11-26 16:49:57 -05:00
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img.set_attribute("class", "broken-image")
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2017-11-16 09:45:07 -05:00
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img.set_attribute("title", I18n.t("post.image_placeholder.broken"))
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2018-11-26 16:49:57 -05:00
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img << "<svg class=\"fa d-icon d-icon-unlink svg-icon\" aria-hidden=\"true\"><use xlink:href=\"#unlink\"></use></svg>"
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2017-11-16 09:45:07 -05:00
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img.remove_attribute("src")
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img.remove_attribute("width")
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img.remove_attribute("height")
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2018-10-10 17:57:21 -04:00
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true
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2017-11-15 05:30:47 -05:00
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end
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def large_images
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2018-09-05 21:58:01 -04:00
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@large_images ||=
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begin
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JSON.parse(@post.custom_fields[Post::LARGE_IMAGES].presence || "[]")
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rescue JSON::ParserError
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[]
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end
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2017-11-16 09:45:07 -05:00
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end
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def broken_images
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2018-09-05 21:58:01 -04:00
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@broken_images ||=
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begin
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JSON.parse(@post.custom_fields[Post::BROKEN_IMAGES].presence || "[]")
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rescue JSON::ParserError
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[]
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end
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2017-11-16 09:45:07 -05:00
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end
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def downloaded_images
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2018-09-05 21:58:01 -04:00
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@downloaded_images ||= @post.downloaded_images
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2017-11-15 05:30:47 -05:00
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end
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2013-07-07 19:39:08 -04:00
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def extract_images
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2017-11-16 09:45:07 -05:00
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# all images with a src attribute
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2014-07-18 11:54:18 -04:00
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@doc.css("img[src]") -
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2017-11-16 09:45:07 -05:00
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# minus data images
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2014-07-18 11:54:18 -04:00
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@doc.css("img[src^='data']") -
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2017-11-16 09:45:07 -05:00
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# minus emojis
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2019-12-09 08:39:25 -05:00
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@doc.css("img.emoji")
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2013-07-07 19:39:08 -04:00
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end
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2016-10-31 05:41:33 -04:00
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def extract_images_for_post
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2017-11-16 09:45:07 -05:00
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# all images with a src attribute
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2015-10-15 05:00:47 -04:00
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@doc.css("img[src]") -
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2017-11-16 09:45:07 -05:00
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# minus emojis
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2015-10-15 05:00:47 -04:00
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@doc.css("img.emoji") -
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2017-11-16 09:45:07 -05:00
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# minus images inside quotes
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2015-10-15 05:00:47 -04:00
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@doc.css(".quote img")
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end
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2014-07-21 09:59:34 -04:00
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def oneboxed_images
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2018-07-31 17:21:02 -04:00
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@doc.css(".onebox-body img, .onebox img, img.onebox")
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2017-06-02 05:39:06 -04:00
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end
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2013-11-05 13:04:47 -05:00
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def limit_size!(img)
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2013-11-25 12:36:13 -05:00
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# retrieve the size from
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# 1) the width/height attributes
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# 2) the dimension from the preview (image_sizes)
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# 3) the dimension of the original image (HTTP request)
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w, h = get_size_from_attributes(img) ||
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get_size_from_image_sizes(img["src"], @opts[:image_sizes]) ||
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get_size(img["src"])
|
2016-06-14 14:31:51 -04:00
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2013-11-05 13:04:47 -05:00
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# limit the size of the thumbnail
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img["width"], img["height"] = ImageSizer.resize(w, h)
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2013-07-07 19:39:08 -04:00
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end
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2013-11-25 12:36:13 -05:00
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def get_size_from_attributes(img)
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w, h = img["width"].to_i, img["height"].to_i
|
2015-08-29 17:56:25 -04:00
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return [w, h] unless w <= 0 || h <= 0
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# if only width or height are specified attempt to scale image
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if w > 0 || h > 0
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w = w.to_f
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h = h.to_f
|
2016-03-07 22:29:18 -05:00
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return unless original_image_size = get_size(img["src"])
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original_width, original_height = original_image_size.map(&:to_f)
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|
2015-08-29 17:56:25 -04:00
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if w > 0
|
2017-07-27 21:20:09 -04:00
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ratio = w / original_width
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[w.floor, (original_height * ratio).floor]
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2015-08-29 17:56:25 -04:00
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else
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2017-07-27 21:20:09 -04:00
|
|
|
|
ratio = h / original_height
|
|
|
|
|
[(original_width * ratio).floor, h.floor]
|
2015-08-29 17:56:25 -04:00
|
|
|
|
end
|
|
|
|
|
end
|
2013-11-25 12:36:13 -05:00
|
|
|
|
end
|
|
|
|
|
|
2013-11-05 13:04:47 -05:00
|
|
|
|
def get_size_from_image_sizes(src, image_sizes)
|
|
|
|
|
return unless image_sizes.present?
|
|
|
|
|
image_sizes.each do |image_size|
|
|
|
|
|
url, size = image_size[0], image_size[1]
|
2015-03-16 13:57:15 -04:00
|
|
|
|
if url && url.include?(src) &&
|
|
|
|
|
size && size["width"].to_i > 0 && size["height"].to_i > 0
|
|
|
|
|
return [size["width"], size["height"]]
|
|
|
|
|
end
|
2013-11-05 13:04:47 -05:00
|
|
|
|
end
|
2013-06-15 06:29:20 -04:00
|
|
|
|
end
|
2013-02-20 20:07:36 -05:00
|
|
|
|
|
2018-10-02 23:44:53 -04:00
|
|
|
|
def add_to_size_cache(url, w, h)
|
|
|
|
|
@size_cache[url] = [w, h]
|
|
|
|
|
end
|
|
|
|
|
|
2013-11-05 13:04:47 -05:00
|
|
|
|
def get_size(url)
|
2015-08-07 13:31:15 -04:00
|
|
|
|
return @size_cache[url] if @size_cache.has_key?(url)
|
|
|
|
|
|
2013-11-05 13:04:47 -05:00
|
|
|
|
absolute_url = url
|
|
|
|
|
absolute_url = Discourse.base_url_no_prefix + absolute_url if absolute_url =~ /^\/[^\/]/
|
2017-05-08 15:35:31 -04:00
|
|
|
|
|
2019-11-17 20:25:42 -05:00
|
|
|
|
if url&.start_with?("/secure-media-uploads/")
|
|
|
|
|
absolute_url = Discourse.store.signed_url_for_path(url.sub("/secure-media-uploads/", ""))
|
|
|
|
|
end
|
|
|
|
|
|
2017-05-08 15:35:31 -04:00
|
|
|
|
return unless absolute_url
|
|
|
|
|
|
2013-11-05 13:04:47 -05:00
|
|
|
|
# FastImage fails when there's no scheme
|
2013-12-16 05:44:59 -05:00
|
|
|
|
absolute_url = SiteSetting.scheme + ":" + absolute_url if absolute_url.start_with?("//")
|
2013-11-05 13:04:47 -05:00
|
|
|
|
return unless is_valid_image_url?(absolute_url)
|
2015-08-07 13:31:15 -04:00
|
|
|
|
|
2013-11-05 13:04:47 -05:00
|
|
|
|
# we can *always* crawl our own images
|
2016-03-07 22:38:26 -05:00
|
|
|
|
return unless SiteSetting.crawl_images? || Discourse.store.has_been_uploaded?(url)
|
2015-08-07 13:31:15 -04:00
|
|
|
|
|
2017-10-18 17:54:36 -04:00
|
|
|
|
@size_cache[url] = FastImage.size(absolute_url)
|
2018-08-14 06:23:32 -04:00
|
|
|
|
rescue Zlib::BufError, URI::Error, OpenSSL::SSL::SSLError
|
2018-01-11 11:47:06 -05:00
|
|
|
|
# FastImage.size raises BufError for some gifs, leave it.
|
2013-06-17 16:46:48 -04:00
|
|
|
|
end
|
|
|
|
|
|
2013-11-05 13:04:47 -05:00
|
|
|
|
def is_valid_image_url?(url)
|
|
|
|
|
uri = URI.parse(url)
|
|
|
|
|
%w(http https).include? uri.scheme
|
2018-08-14 06:23:32 -04:00
|
|
|
|
rescue URI::Error
|
2013-02-19 01:57:14 -05:00
|
|
|
|
end
|
|
|
|
|
|
2013-11-05 13:04:47 -05:00
|
|
|
|
def convert_to_link!(img)
|
2013-02-19 01:57:14 -05:00
|
|
|
|
src = img["src"]
|
2018-06-18 05:10:23 -04:00
|
|
|
|
return if src.blank? || is_a_hyperlink?(img) || is_svg?(img)
|
2013-02-19 01:57:14 -05:00
|
|
|
|
|
2013-07-06 13:10:53 -04:00
|
|
|
|
width, height = img["width"].to_i, img["height"].to_i
|
2017-10-23 11:43:53 -04:00
|
|
|
|
# TODO: store original dimentions in db
|
2017-10-18 17:54:36 -04:00
|
|
|
|
original_width, original_height = (get_size(src) || [0, 0]).map(&:to_i)
|
2013-02-19 01:57:14 -05:00
|
|
|
|
|
2015-08-07 13:31:15 -04:00
|
|
|
|
# can't reach the image...
|
2017-10-18 17:54:36 -04:00
|
|
|
|
if original_width == 0 || original_height == 0
|
2015-08-12 10:10:42 -04:00
|
|
|
|
Rails.logger.info "Can't reach '#{src}' to get its dimension."
|
2015-08-07 13:31:15 -04:00
|
|
|
|
return
|
|
|
|
|
end
|
|
|
|
|
|
2017-10-18 17:54:36 -04:00
|
|
|
|
return if original_width <= width && original_height <= height
|
|
|
|
|
return if original_width <= SiteSetting.max_image_width && original_height <= SiteSetting.max_image_height
|
2013-07-07 19:39:08 -04:00
|
|
|
|
|
2018-06-05 11:13:00 -04:00
|
|
|
|
crop = SiteSetting.min_ratio_to_crop > 0
|
|
|
|
|
crop &&= original_width.to_f / original_height.to_f < SiteSetting.min_ratio_to_crop
|
|
|
|
|
|
|
|
|
|
if crop
|
2016-05-23 10:18:30 -04:00
|
|
|
|
width, height = ImageSizer.crop(original_width, original_height)
|
|
|
|
|
img["width"] = width
|
|
|
|
|
img["height"] = height
|
|
|
|
|
end
|
|
|
|
|
|
2017-10-18 17:54:36 -04:00
|
|
|
|
if upload = Upload.get_from_url(src)
|
2018-12-14 16:50:28 -05:00
|
|
|
|
upload.create_thumbnail!(width, height, crop: crop)
|
2018-10-02 23:44:53 -04:00
|
|
|
|
|
|
|
|
|
each_responsive_ratio do |ratio|
|
|
|
|
|
resized_w = (width * ratio).to_i
|
|
|
|
|
resized_h = (height * ratio).to_i
|
|
|
|
|
|
|
|
|
|
if upload.width && resized_w <= upload.width
|
2018-12-14 16:50:28 -05:00
|
|
|
|
upload.create_thumbnail!(resized_w, resized_h, crop: crop)
|
2018-10-02 23:44:53 -04:00
|
|
|
|
end
|
|
|
|
|
end
|
2018-12-14 17:44:38 -05:00
|
|
|
|
|
|
|
|
|
unless @disable_loading_image
|
|
|
|
|
upload.create_thumbnail!(LOADING_SIZE, LOADING_SIZE, format: 'png', colors: LOADING_COLORS)
|
|
|
|
|
end
|
2013-07-07 19:39:08 -04:00
|
|
|
|
end
|
2013-02-19 01:57:14 -05:00
|
|
|
|
|
2019-12-09 08:39:25 -05:00
|
|
|
|
if img.ancestors('.onebox, .onebox-body, .quote').blank? && !img.classes.include?("onebox")
|
|
|
|
|
add_lightbox!(img, original_width, original_height, upload, cropped: crop)
|
|
|
|
|
end
|
|
|
|
|
|
2019-11-29 08:18:42 -05:00
|
|
|
|
optimize_image!(img, upload, cropped: crop) if upload
|
2013-07-07 19:39:08 -04:00
|
|
|
|
end
|
|
|
|
|
|
2018-12-14 17:44:38 -05:00
|
|
|
|
def loading_image(upload)
|
|
|
|
|
upload.thumbnail(LOADING_SIZE, LOADING_SIZE)
|
|
|
|
|
end
|
|
|
|
|
|
2013-11-05 13:04:47 -05:00
|
|
|
|
def is_a_hyperlink?(img)
|
2013-02-19 01:57:14 -05:00
|
|
|
|
parent = img.parent
|
|
|
|
|
while parent
|
2013-11-20 07:10:08 -05:00
|
|
|
|
return true if parent.name == "a"
|
2017-10-23 11:43:53 -04:00
|
|
|
|
parent = parent.parent if parent.respond_to?(:parent)
|
2013-02-19 01:57:14 -05:00
|
|
|
|
end
|
2013-11-20 07:10:08 -05:00
|
|
|
|
false
|
2013-07-07 19:39:08 -04:00
|
|
|
|
end
|
2013-02-19 01:57:14 -05:00
|
|
|
|
|
2018-10-02 23:44:53 -04:00
|
|
|
|
def each_responsive_ratio
|
|
|
|
|
SiteSetting
|
|
|
|
|
.responsive_post_image_sizes
|
|
|
|
|
.split('|')
|
|
|
|
|
.map(&:to_f)
|
|
|
|
|
.sort
|
|
|
|
|
.each { |r| yield r if r > 1 }
|
|
|
|
|
end
|
|
|
|
|
|
2019-11-29 08:18:42 -05:00
|
|
|
|
def optimize_image!(img, upload, cropped: false)
|
|
|
|
|
w, h = img["width"].to_i, img["height"].to_i
|
|
|
|
|
|
2019-12-04 18:13:09 -05:00
|
|
|
|
# note: optimize_urls cooks the src and data-small-upload further after this
|
2019-11-29 08:18:42 -05:00
|
|
|
|
thumbnail = upload.thumbnail(w, h)
|
|
|
|
|
if thumbnail && thumbnail.filesize.to_i < upload.filesize
|
|
|
|
|
img["src"] = thumbnail.url
|
|
|
|
|
|
|
|
|
|
srcset = +""
|
|
|
|
|
|
|
|
|
|
each_responsive_ratio do |ratio|
|
|
|
|
|
resized_w = (w * ratio).to_i
|
|
|
|
|
resized_h = (h * ratio).to_i
|
|
|
|
|
|
|
|
|
|
if !cropped && upload.width && resized_w > upload.width
|
2019-12-04 18:13:09 -05:00
|
|
|
|
cooked_url = UrlHelper.cook_url(upload.url, secure: @post.with_secure_media?)
|
2019-11-29 08:18:42 -05:00
|
|
|
|
srcset << ", #{cooked_url} #{ratio.to_s.sub(/\.0$/, "")}x"
|
|
|
|
|
elsif t = upload.thumbnail(resized_w, resized_h)
|
2019-12-04 18:13:09 -05:00
|
|
|
|
cooked_url = UrlHelper.cook_url(t.url, secure: @post.with_secure_media?)
|
2019-11-29 08:18:42 -05:00
|
|
|
|
srcset << ", #{cooked_url} #{ratio.to_s.sub(/\.0$/, "")}x"
|
|
|
|
|
end
|
|
|
|
|
|
2019-12-04 18:13:09 -05:00
|
|
|
|
img["srcset"] = "#{UrlHelper.cook_url(img["src"], secure: @post.with_secure_media?)}#{srcset}" if srcset.present?
|
2019-11-29 08:18:42 -05:00
|
|
|
|
end
|
|
|
|
|
else
|
|
|
|
|
img["src"] = upload.url
|
|
|
|
|
end
|
|
|
|
|
|
|
|
|
|
if small_upload = loading_image(upload)
|
|
|
|
|
img["data-small-upload"] = small_upload.url
|
|
|
|
|
end
|
|
|
|
|
end
|
|
|
|
|
|
2018-10-25 10:08:10 -04:00
|
|
|
|
def add_lightbox!(img, original_width, original_height, upload, cropped: false)
|
2013-06-25 20:44:20 -04:00
|
|
|
|
# first, create a div to hold our lightbox
|
2019-03-31 22:14:29 -04:00
|
|
|
|
lightbox = create_node("div", LIGHTBOX_WRAPPER_CSS_CLASS)
|
2013-07-07 19:39:08 -04:00
|
|
|
|
img.add_next_sibling(lightbox)
|
|
|
|
|
lightbox.add_child(img)
|
|
|
|
|
|
2013-06-25 20:44:20 -04:00
|
|
|
|
# then, the link to our larger image
|
2019-12-04 18:13:09 -05:00
|
|
|
|
src = UrlHelper.cook_url(img["src"], secure: @post.with_secure_media?)
|
|
|
|
|
a = create_link_node("lightbox", src)
|
2013-02-19 01:57:14 -05:00
|
|
|
|
img.add_next_sibling(a)
|
2014-10-15 13:20:04 -04:00
|
|
|
|
|
2019-07-04 11:32:51 -04:00
|
|
|
|
if upload
|
2014-10-15 13:20:04 -04:00
|
|
|
|
a["data-download-href"] = Discourse.store.download_url(upload)
|
|
|
|
|
end
|
|
|
|
|
|
2013-02-19 01:57:14 -05:00
|
|
|
|
a.add_child(img)
|
2013-07-07 19:39:08 -04:00
|
|
|
|
|
2013-06-25 20:44:20 -04:00
|
|
|
|
# then, some overlay informations
|
2017-11-15 05:30:47 -05:00
|
|
|
|
meta = create_node("div", "meta")
|
2013-07-07 19:39:08 -04:00
|
|
|
|
img.add_next_sibling(meta)
|
2013-06-21 12:29:40 -04:00
|
|
|
|
|
2013-11-05 13:04:47 -05:00
|
|
|
|
filename = get_filename(upload, img["src"])
|
2019-05-02 18:17:27 -04:00
|
|
|
|
informations = +"#{original_width}×#{original_height}"
|
2019-02-20 21:13:37 -05:00
|
|
|
|
informations << " #{upload.human_filesize}" if upload
|
2013-06-21 12:29:40 -04:00
|
|
|
|
|
2019-11-03 18:15:14 -05:00
|
|
|
|
a["title"] = CGI.escapeHTML(img["title"] || img["alt"] || filename)
|
2013-11-29 14:03:39 -05:00
|
|
|
|
|
2019-03-22 11:52:06 -04:00
|
|
|
|
meta.add_child create_icon_node("far-image")
|
2016-08-10 23:27:12 -04:00
|
|
|
|
meta.add_child create_span_node("filename", a["title"])
|
2013-06-25 20:44:20 -04:00
|
|
|
|
meta.add_child create_span_node("informations", informations)
|
2019-03-22 11:52:06 -04:00
|
|
|
|
meta.add_child create_icon_node("discourse-expand")
|
2013-06-21 12:29:40 -04:00
|
|
|
|
end
|
2013-02-19 01:57:14 -05:00
|
|
|
|
|
2013-06-26 15:53:31 -04:00
|
|
|
|
def get_filename(upload, src)
|
|
|
|
|
return File.basename(src) unless upload
|
2013-07-03 18:39:23 -04:00
|
|
|
|
return upload.original_filename unless upload.original_filename =~ /^blob(\.png)?$/i
|
2019-11-14 15:10:51 -05:00
|
|
|
|
I18n.t("upload.pasted_image_filename")
|
2013-06-26 15:53:31 -04:00
|
|
|
|
end
|
|
|
|
|
|
2017-11-15 05:30:47 -05:00
|
|
|
|
def create_node(tag_name, klass)
|
|
|
|
|
node = Nokogiri::XML::Node.new(tag_name, @doc)
|
|
|
|
|
node["class"] = klass if klass.present?
|
|
|
|
|
node
|
|
|
|
|
end
|
|
|
|
|
|
2017-07-27 21:20:09 -04:00
|
|
|
|
def create_span_node(klass, content = nil)
|
2017-11-15 05:30:47 -05:00
|
|
|
|
span = create_node("span", klass)
|
2013-06-21 12:29:40 -04:00
|
|
|
|
span.content = content if content
|
|
|
|
|
span
|
2013-02-05 14:16:51 -05:00
|
|
|
|
end
|
|
|
|
|
|
2017-11-15 05:30:47 -05:00
|
|
|
|
def create_icon_node(klass)
|
2018-11-26 16:49:57 -05:00
|
|
|
|
icon = create_node("svg", "fa d-icon d-icon-#{klass} svg-icon")
|
|
|
|
|
icon.set_attribute("aria-hidden", "true")
|
|
|
|
|
icon << "<use xlink:href=\"##{klass}\"></use>"
|
|
|
|
|
|
2017-11-15 05:30:47 -05:00
|
|
|
|
end
|
|
|
|
|
|
|
|
|
|
def create_link_node(klass, url, external = false)
|
|
|
|
|
a = create_node("a", klass)
|
|
|
|
|
a["href"] = url
|
|
|
|
|
if external
|
|
|
|
|
a["target"] = "_blank"
|
|
|
|
|
a["rel"] = "nofollow noopener"
|
|
|
|
|
end
|
|
|
|
|
a
|
|
|
|
|
end
|
|
|
|
|
|
2016-10-31 05:41:33 -04:00
|
|
|
|
def update_post_image
|
|
|
|
|
img = extract_images_for_post.first
|
2017-06-09 07:16:50 -04:00
|
|
|
|
return if img.blank?
|
|
|
|
|
|
2016-10-31 05:41:33 -04:00
|
|
|
|
if img["src"].present?
|
|
|
|
|
@post.update_column(:image_url, img["src"][0...255]) # post
|
|
|
|
|
@post.topic.update_column(:image_url, img["src"][0...255]) if @post.is_first_post? # topic
|
2013-07-07 19:39:08 -04:00
|
|
|
|
end
|
|
|
|
|
end
|
|
|
|
|
|
2013-11-05 13:04:47 -05:00
|
|
|
|
def post_process_oneboxes
|
2018-11-27 03:00:31 -05:00
|
|
|
|
limit = SiteSetting.max_oneboxes_per_post
|
|
|
|
|
oneboxes = {}
|
|
|
|
|
inlineOneboxes = {}
|
|
|
|
|
|
|
|
|
|
Oneboxer.apply(@doc, extra_paths: [".#{INLINE_ONEBOX_LOADING_CSS_CLASS}"]) do |url, element|
|
|
|
|
|
is_onebox = element["class"] == Oneboxer::ONEBOX_CSS_CLASS
|
|
|
|
|
map = is_onebox ? oneboxes : inlineOneboxes
|
|
|
|
|
skip_onebox = limit <= 0 && !map[url]
|
|
|
|
|
|
|
|
|
|
if skip_onebox
|
2018-11-29 01:33:01 -05:00
|
|
|
|
if is_onebox
|
|
|
|
|
element.remove_class('onebox')
|
|
|
|
|
else
|
|
|
|
|
remove_inline_onebox_loading_class(element)
|
|
|
|
|
end
|
|
|
|
|
|
2018-11-27 03:00:31 -05:00
|
|
|
|
next
|
|
|
|
|
end
|
|
|
|
|
|
|
|
|
|
limit -= 1
|
|
|
|
|
map[url] = true
|
|
|
|
|
|
|
|
|
|
if is_onebox
|
2019-08-08 12:45:18 -04:00
|
|
|
|
onebox = Oneboxer.onebox(url,
|
2018-11-27 03:00:31 -05:00
|
|
|
|
invalidate_oneboxes: !!@opts[:invalidate_oneboxes],
|
|
|
|
|
user_id: @post&.user_id,
|
|
|
|
|
category_id: @post&.topic&.category_id
|
|
|
|
|
)
|
2019-08-08 12:45:18 -04:00
|
|
|
|
|
|
|
|
|
@has_oneboxes = true if onebox.present?
|
|
|
|
|
onebox
|
2018-11-27 03:00:31 -05:00
|
|
|
|
else
|
|
|
|
|
process_inline_onebox(element)
|
|
|
|
|
false
|
|
|
|
|
end
|
2016-11-03 17:48:32 -04:00
|
|
|
|
end
|
2017-10-23 13:09:38 -04:00
|
|
|
|
|
2017-06-02 05:39:06 -04:00
|
|
|
|
oneboxed_images.each do |img|
|
2017-11-27 03:11:28 -05:00
|
|
|
|
next if img["src"].blank?
|
|
|
|
|
|
2017-11-16 09:45:07 -05:00
|
|
|
|
src = img["src"].sub(/^https?:/i, "")
|
2018-10-07 08:10:15 -04:00
|
|
|
|
parent = img.parent
|
|
|
|
|
img_classes = (img["class"] || "").split(" ")
|
|
|
|
|
link_classes = ((parent&.name == "a" && parent["class"]) || "").split(" ")
|
2017-11-16 09:45:07 -05:00
|
|
|
|
|
2018-10-10 17:57:21 -04:00
|
|
|
|
if img_classes.include?("onebox") || link_classes.include?("onebox")
|
|
|
|
|
next if add_image_placeholder!(img)
|
|
|
|
|
elsif large_images.include?(src) || broken_images.include?(src)
|
|
|
|
|
img.remove
|
2017-11-15 05:30:47 -05:00
|
|
|
|
next
|
|
|
|
|
end
|
|
|
|
|
|
2017-11-16 09:45:07 -05:00
|
|
|
|
upload_id = downloaded_images[src]
|
2018-12-14 16:49:45 -05:00
|
|
|
|
upload = Upload.find_by_id(upload_id) if upload_id
|
2017-10-23 12:15:51 -04:00
|
|
|
|
img["src"] = upload.url if upload.present?
|
2017-10-23 13:09:38 -04:00
|
|
|
|
|
2017-11-15 05:30:47 -05:00
|
|
|
|
# make sure we grab dimensions for oneboxed images
|
|
|
|
|
# and wrap in a div
|
2017-10-30 22:50:44 -04:00
|
|
|
|
limit_size!(img)
|
2017-11-07 19:50:01 -05:00
|
|
|
|
|
|
|
|
|
next if img["class"]&.include?('onebox-avatar')
|
|
|
|
|
|
2019-05-10 05:02:15 -04:00
|
|
|
|
parent = parent&.parent if parent&.name == "a"
|
2018-10-07 08:10:15 -04:00
|
|
|
|
parent_class = parent && parent["class"]
|
2018-03-21 16:00:05 -04:00
|
|
|
|
width = img["width"].to_i
|
|
|
|
|
height = img["height"].to_i
|
2017-11-12 19:19:06 -05:00
|
|
|
|
|
2018-03-21 16:00:05 -04:00
|
|
|
|
if parent_class&.include?("onebox-body") && width > 0 && height > 0
|
2017-11-12 19:19:06 -05:00
|
|
|
|
# special instruction for width == height, assume we are dealing with an avatar
|
|
|
|
|
if (img["width"].to_i == img["height"].to_i)
|
|
|
|
|
found = false
|
|
|
|
|
parent = img
|
|
|
|
|
while parent = parent.parent
|
2017-11-13 00:06:18 -05:00
|
|
|
|
if parent["class"] && parent["class"].include?("whitelistedgeneric")
|
2017-11-12 19:19:06 -05:00
|
|
|
|
found = true
|
|
|
|
|
break
|
|
|
|
|
end
|
|
|
|
|
end
|
|
|
|
|
|
|
|
|
|
if found
|
|
|
|
|
img["class"] = img["class"].to_s + " onebox-avatar"
|
|
|
|
|
next
|
|
|
|
|
end
|
|
|
|
|
end
|
|
|
|
|
|
2017-11-27 20:32:35 -05:00
|
|
|
|
if width < 64 && height < 64
|
|
|
|
|
img["class"] = img["class"].to_s + " onebox-full-image"
|
|
|
|
|
else
|
|
|
|
|
img.delete('width')
|
|
|
|
|
img.delete('height')
|
|
|
|
|
new_parent = img.add_next_sibling("<div class='aspect-image' style='--aspect-ratio:#{width}/#{height};'/>")
|
|
|
|
|
new_parent.first.add_child(img)
|
|
|
|
|
end
|
2019-04-04 05:24:30 -04:00
|
|
|
|
elsif (parent_class&.include?("instagram-images") || parent_class&.include?("tweet-images") || parent_class&.include?("scale-images")) && width > 0 && height > 0
|
2018-03-21 16:00:05 -04:00
|
|
|
|
img.remove_attribute("width")
|
|
|
|
|
img.remove_attribute("height")
|
2019-05-10 05:02:15 -04:00
|
|
|
|
parent["class"] = "aspect-image-full-size"
|
|
|
|
|
parent["style"] = "--aspect-ratio:#{width}/#{height};"
|
2017-10-30 22:50:44 -04:00
|
|
|
|
end
|
|
|
|
|
end
|
2018-03-26 06:24:39 -04:00
|
|
|
|
|
2019-10-22 13:11:04 -04:00
|
|
|
|
if @omit_nofollow || !SiteSetting.add_rel_nofollow_to_user_content
|
2018-03-26 06:24:39 -04:00
|
|
|
|
@doc.css(".onebox-body a, .onebox a").each { |a| a.remove_attribute("rel") }
|
|
|
|
|
end
|
2013-02-05 14:16:51 -05:00
|
|
|
|
end
|
|
|
|
|
|
2013-11-05 13:04:47 -05:00
|
|
|
|
def optimize_urls
|
2014-10-15 13:20:04 -04:00
|
|
|
|
%w{href data-download-href}.each do |selector|
|
|
|
|
|
@doc.css("a[#{selector}]").each do |a|
|
2018-08-14 06:23:32 -04:00
|
|
|
|
a[selector] = UrlHelper.cook_url(a[selector].to_s)
|
2014-10-15 13:20:04 -04:00
|
|
|
|
end
|
2013-11-05 13:04:47 -05:00
|
|
|
|
end
|
|
|
|
|
|
2019-02-20 13:24:38 -05:00
|
|
|
|
%w{src data-small-upload}.each do |selector|
|
|
|
|
|
@doc.css("img[#{selector}]").each do |img|
|
2019-11-17 20:25:42 -05:00
|
|
|
|
img[selector] = UrlHelper.cook_url(img[selector].to_s, secure: @post.with_secure_media?)
|
2019-02-20 13:24:38 -05:00
|
|
|
|
end
|
2013-11-05 13:04:47 -05:00
|
|
|
|
end
|
2013-02-05 14:16:51 -05:00
|
|
|
|
end
|
2017-10-23 13:09:38 -04:00
|
|
|
|
|
2019-04-22 22:45:41 -04:00
|
|
|
|
def remove_user_ids
|
|
|
|
|
@doc.css("a[href]").each do |a|
|
2019-04-25 03:06:31 -04:00
|
|
|
|
uri = begin
|
|
|
|
|
URI(a["href"])
|
|
|
|
|
rescue URI::Error
|
|
|
|
|
next
|
|
|
|
|
end
|
2019-04-22 22:45:41 -04:00
|
|
|
|
next if uri.hostname != Discourse.current_hostname
|
|
|
|
|
|
|
|
|
|
query = Rack::Utils.parse_nested_query(uri.query)
|
|
|
|
|
next if !query.delete("u")
|
|
|
|
|
|
|
|
|
|
uri.query = query.map { |k, v| "#{k}=#{v}" }.join("&").presence
|
|
|
|
|
a["href"] = uri.to_s
|
|
|
|
|
end
|
|
|
|
|
end
|
|
|
|
|
|
2017-10-23 12:15:51 -04:00
|
|
|
|
def enforce_nofollow
|
2019-10-22 13:11:04 -04:00
|
|
|
|
if !@omit_nofollow && SiteSetting.add_rel_nofollow_to_user_content
|
2017-10-23 12:15:51 -04:00
|
|
|
|
PrettyText.add_rel_nofollow_to_user_content(@doc)
|
|
|
|
|
end
|
|
|
|
|
end
|
2013-02-05 14:16:51 -05:00
|
|
|
|
|
2013-11-21 19:52:26 -05:00
|
|
|
|
def pull_hotlinked_images(bypass_bump = false)
|
2013-11-15 10:46:41 -05:00
|
|
|
|
# have we enough disk space?
|
2019-06-07 09:09:02 -04:00
|
|
|
|
disable_if_low_on_disk_space # But still enqueue the job
|
2016-07-06 09:51:48 -04:00
|
|
|
|
# don't download remote images for posts that are more than n days old
|
|
|
|
|
return unless @post.created_at > (Date.today - SiteSetting.download_remote_images_max_days_old)
|
2013-11-05 13:04:47 -05:00
|
|
|
|
# we only want to run the job whenever it's changed by a user
|
2017-11-16 09:45:07 -05:00
|
|
|
|
return if @post.last_editor_id && @post.last_editor_id <= 0
|
2013-11-05 13:04:47 -05:00
|
|
|
|
# make sure no other job is scheduled
|
|
|
|
|
Jobs.cancel_scheduled_job(:pull_hotlinked_images, post_id: @post.id)
|
|
|
|
|
# schedule the job
|
2015-11-24 14:28:42 -05:00
|
|
|
|
delay = SiteSetting.editing_grace_period + 1
|
2013-11-21 19:52:26 -05:00
|
|
|
|
Jobs.enqueue_in(delay.seconds.to_i, :pull_hotlinked_images, post_id: @post.id, bypass_bump: bypass_bump)
|
2013-07-10 16:55:37 -04:00
|
|
|
|
end
|
|
|
|
|
|
2013-11-15 10:46:41 -05:00
|
|
|
|
def disable_if_low_on_disk_space
|
2019-12-08 20:48:45 -05:00
|
|
|
|
return false if Discourse.store.external?
|
2019-06-07 09:09:02 -04:00
|
|
|
|
return false if !SiteSetting.download_remote_images_to_local
|
2014-10-15 13:20:04 -04:00
|
|
|
|
return false if available_disk_space >= SiteSetting.download_remote_images_threshold
|
|
|
|
|
|
|
|
|
|
SiteSetting.download_remote_images_to_local = false
|
|
|
|
|
# log the site setting change
|
|
|
|
|
reason = I18n.t("disable_remote_images_download_reason")
|
|
|
|
|
staff_action_logger = StaffActionLogger.new(Discourse.system_user)
|
2017-07-27 21:20:09 -04:00
|
|
|
|
staff_action_logger.log_site_setting_change("download_remote_images_to_local", true, false, details: reason)
|
2015-08-14 17:46:15 -04:00
|
|
|
|
|
2014-10-15 13:20:04 -04:00
|
|
|
|
# also send a private message to the site contact user
|
2015-08-14 17:46:15 -04:00
|
|
|
|
notify_about_low_disk_space
|
2014-10-15 13:20:04 -04:00
|
|
|
|
|
|
|
|
|
true
|
2013-11-15 10:46:41 -05:00
|
|
|
|
end
|
|
|
|
|
|
2015-08-14 17:46:15 -04:00
|
|
|
|
def notify_about_low_disk_space
|
|
|
|
|
SystemMessage.create_from_system_user(Discourse.site_contact_user, :download_remote_images_disabled)
|
|
|
|
|
end
|
|
|
|
|
|
2013-11-15 10:46:41 -05:00
|
|
|
|
def available_disk_space
|
2015-01-26 16:25:32 -05:00
|
|
|
|
100 - `df -P #{Rails.root}/public/uploads | tail -1 | tr -s ' ' | cut -d ' ' -f 5`.to_i
|
2013-11-15 10:46:41 -05:00
|
|
|
|
end
|
|
|
|
|
|
2013-06-15 06:29:20 -04:00
|
|
|
|
def dirty?
|
2013-12-06 05:16:13 -05:00
|
|
|
|
@previous_cooked != html
|
2013-06-15 06:29:20 -04:00
|
|
|
|
end
|
|
|
|
|
|
|
|
|
|
def html
|
|
|
|
|
@doc.try(:to_html)
|
2013-02-05 14:16:51 -05:00
|
|
|
|
end
|
|
|
|
|
|
2018-06-18 05:10:23 -04:00
|
|
|
|
private
|
|
|
|
|
|
2019-05-26 23:28:37 -04:00
|
|
|
|
def post_process_images
|
|
|
|
|
extract_images.each do |img|
|
|
|
|
|
unless add_image_placeholder!(img)
|
|
|
|
|
limit_size!(img)
|
|
|
|
|
convert_to_link!(img)
|
|
|
|
|
end
|
|
|
|
|
end
|
|
|
|
|
end
|
|
|
|
|
|
2018-11-27 03:00:31 -05:00
|
|
|
|
def process_inline_onebox(element)
|
|
|
|
|
inline_onebox = InlineOneboxer.lookup(
|
|
|
|
|
element.attributes["href"].value,
|
|
|
|
|
invalidate: !!@opts[:invalidate_oneboxes]
|
|
|
|
|
)
|
2018-11-25 20:21:38 -05:00
|
|
|
|
|
2018-11-27 03:00:31 -05:00
|
|
|
|
if title = inline_onebox&.dig(:title)
|
2019-01-09 20:02:05 -05:00
|
|
|
|
element.children = CGI.escapeHTML(title)
|
2018-11-27 03:00:31 -05:00
|
|
|
|
element.add_class(INLINE_ONEBOX_CSS_CLASS)
|
2018-11-25 20:21:38 -05:00
|
|
|
|
end
|
2018-11-27 03:00:31 -05:00
|
|
|
|
|
|
|
|
|
remove_inline_onebox_loading_class(element)
|
|
|
|
|
end
|
|
|
|
|
|
|
|
|
|
def remove_inline_onebox_loading_class(element)
|
|
|
|
|
element.remove_class(INLINE_ONEBOX_LOADING_CSS_CLASS)
|
2018-11-25 20:21:38 -05:00
|
|
|
|
end
|
|
|
|
|
|
2018-06-18 05:10:23 -04:00
|
|
|
|
def is_svg?(img)
|
2018-06-19 22:47:14 -04:00
|
|
|
|
path =
|
|
|
|
|
begin
|
|
|
|
|
URI(img["src"]).path
|
2018-08-14 06:23:32 -04:00
|
|
|
|
rescue URI::Error
|
2018-06-19 22:47:14 -04:00
|
|
|
|
nil
|
|
|
|
|
end
|
|
|
|
|
|
|
|
|
|
File.extname(path) == '.svg' if path
|
2018-06-18 05:10:23 -04:00
|
|
|
|
end
|
|
|
|
|
|
2013-02-05 14:16:51 -05:00
|
|
|
|
end
|