5c9aa2b732
This commit fixes hashtag_html so it correctly handles matches with multiple hash-signs. Bug located by @over9001, initial fix suggested by @nightpool.
120 lines
3.5 KiB
Ruby
120 lines
3.5 KiB
Ruby
# frozen_string_literal: true
|
|
|
|
require 'singleton'
|
|
|
|
class Formatter
|
|
include Singleton
|
|
include RoutingHelper
|
|
|
|
include ActionView::Helpers::TextHelper
|
|
include ActionView::Helpers::SanitizeHelper
|
|
|
|
def format(status)
|
|
return reformat(status.content) unless status.local?
|
|
|
|
html = status.text
|
|
html = encode_and_link_urls(html)
|
|
html = simple_format(html, {}, sanitize: false)
|
|
html = html.delete("\n")
|
|
html = link_mentions(html, status.mentions)
|
|
html = link_hashtags(html)
|
|
|
|
html.html_safe # rubocop:disable Rails/OutputSafety
|
|
end
|
|
|
|
def reformat(html)
|
|
sanitize(html, tags: %w(a br p span), attributes: %w(href rel class))
|
|
end
|
|
|
|
def plaintext(status)
|
|
return status.text if status.local?
|
|
strip_tags(status.text)
|
|
end
|
|
|
|
def simplified_format(account)
|
|
return reformat(account.note) unless account.local?
|
|
|
|
html = encode_and_link_urls(account.note)
|
|
html = link_accounts(html)
|
|
html = link_hashtags(html)
|
|
|
|
html.html_safe # rubocop:disable Rails/OutputSafety
|
|
end
|
|
|
|
private
|
|
|
|
def encode(html)
|
|
HTMLEntities.new.encode(html)
|
|
end
|
|
|
|
def encode_and_link_urls(html)
|
|
entities = Twitter::Extractor.extract_urls_with_indices(html, extract_url_without_protocol: false)
|
|
entities = entities.sort_by { |entity| entity[:indices].first }
|
|
|
|
chars = html.to_s.to_char_a
|
|
html_attrs = {
|
|
target: '_blank',
|
|
rel: 'nofollow noopener',
|
|
}
|
|
result = ''
|
|
|
|
last_index = entities.reduce(0) do |index, entity|
|
|
indices = entity[:indices]
|
|
result += encode(chars[index...indices.first].join)
|
|
result += Twitter::Autolink.send(:link_to_text, entity, link_html(entity[:url]), entity[:url], html_attrs)
|
|
indices.last
|
|
end
|
|
result += encode(chars[last_index..-1].join)
|
|
end
|
|
|
|
def link_urls(html)
|
|
Twitter::Autolink.auto_link_urls(html, url_target: '_blank',
|
|
link_attribute_block: lambda { |_, a| a[:rel] << ' noopener' },
|
|
link_text_block: lambda { |_, text| link_html(text) })
|
|
end
|
|
|
|
def link_mentions(html, mentions)
|
|
html.gsub(Account::MENTION_RE) do |match|
|
|
acct = Account::MENTION_RE.match(match)[1]
|
|
mention = mentions.find { |item| TagManager.instance.same_acct?(item.account.acct, acct) }
|
|
|
|
mention.nil? ? match : mention_html(match, mention.account)
|
|
end
|
|
end
|
|
|
|
def link_accounts(html)
|
|
html.gsub(Account::MENTION_RE) do |match|
|
|
acct = Account::MENTION_RE.match(match)[1]
|
|
username, domain = acct.split('@')
|
|
domain = nil if TagManager.instance.local_domain?(domain)
|
|
account = Account.find_remote(username, domain)
|
|
|
|
account.nil? ? match : mention_html(match, account)
|
|
end
|
|
end
|
|
|
|
def link_hashtags(html)
|
|
html.gsub(Tag::HASHTAG_RE) do |match|
|
|
hashtag_html(match)
|
|
end
|
|
end
|
|
|
|
def link_html(url)
|
|
prefix = url.match(/\Ahttps?:\/\/(www\.)?/).to_s
|
|
text = url[prefix.length, 30]
|
|
suffix = url[prefix.length + 30..-1]
|
|
cutoff = url[prefix.length..-1].length > 30
|
|
|
|
"<span class=\"invisible\">#{prefix}</span><span class=\"#{cutoff ? 'ellipsis' : ''}\">#{text}</span><span class=\"invisible\">#{suffix}</span>"
|
|
end
|
|
|
|
def hashtag_html(match)
|
|
prefix, _, affix = match.rpartition('#')
|
|
"#{prefix}<a href=\"#{tag_url(affix.downcase)}\" class=\"mention hashtag\">#<span>#{affix}</span></a>"
|
|
end
|
|
|
|
def mention_html(match, account)
|
|
"#{match.split('@').first}<span class=\"h-card\"><a href=\"#{TagManager.instance.url_for(account)}\" class=\"u-url mention\">@<span>#{account.username}</span></a></span>"
|
|
end
|
|
end
|