mastodon/app/lib/formatter.rb

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Ruby
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require 'singleton'
class Formatter
include Singleton
include ActionView::Helpers::TextHelper
include ActionView::Helpers::SanitizeHelper
def format(status)
return reformat(status) unless status.local?
html = status.text
html = encode(html)
html = link_urls(html)
html = link_mentions(html, status.mentions)
html.html_safe
end
def reformat(status)
sanitize(status.content, tags: %w(a br p), attributes: %w(href rel))
end
private
def encode(html)
HTMLEntities.new.encode(html)
end
def link_urls(html)
auto_link(html, link: :urls, html: { rel: 'nofollow noopener' })
end
def link_mentions(html, mentions)
html.gsub(Account::MENTION_RE) do |match|
acct = Account::MENTION_RE.match(match)[1]
mention = mentions.find { |mention| mention.account.acct.eql?(acct) }
return match if mention.nil?
mention_html(match, mention.account)
end
end
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>"
end
end