forked from fedi/mastodon
50 lines
1.2 KiB
Ruby
50 lines
1.2 KiB
Ruby
require 'singleton'
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class Formatter
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include Singleton
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include ActionView::Helpers::TextHelper
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include ActionView::Helpers::SanitizeHelper
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def format(status)
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return reformat(status) unless status.local?
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html = status.text
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html = encode(html)
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html = simple_format(html, sanitize: false)
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html = link_urls(html)
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html = link_mentions(html, status.mentions)
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html.html_safe
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end
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def reformat(status)
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sanitize(status.content, tags: %w(a br p), attributes: %w(href rel))
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end
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private
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def encode(html)
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HTMLEntities.new.encode(html)
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end
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def link_urls(html)
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auto_link(html, link: :urls, html: { rel: 'nofollow noopener' }) do |text|
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truncate(text.gsub(/\Ahttps?:\/\/(www\.)?/, ''), length: 30)
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end
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end
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def link_mentions(html, mentions)
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html.gsub(Account::MENTION_RE) do |match|
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acct = Account::MENTION_RE.match(match)[1]
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mention = mentions.find { |item| item.account.acct.casecmp(acct).zero? }
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mention.nil? ? match : mention_html(match, mention.account)
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end
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end
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def mention_html(match, account)
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"#{match.split('@').first}<a href=\"#{TagManager.instance.url_for(account)}\" class=\"mention\">@<span>#{account.username}</span></a>"
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end
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end
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