mastodon/app/helpers/blocklist_helper.rb

80 lines
3.2 KiB
Ruby

module BlocklistHelper
FEDIVERSE_SPACE_URLS = [
"https://fediverse.network/mastodon?build=gab",
]
def merged_blocklist
# ordered by preference
# prefer vulpine b/c they have easy-to-parse reason text
blocklist = vulpine_club_blocks | dialup_express_blocks | ten_forward_blocks | fediverse_space_blocks
blocklist.uniq { |entry| entry[:domain] }
end
def dialup_express_blocks
admin_id = Account.find_remote('xenon', 'sleeping.town')&.id
return [] if admin_id.nil?
domains = ActiveRecord::Base.connection.select_values("SELECT unnest(regexp_matches(text, '\\m[\\w\\-]+\\.[\\w\-]+(?:\\.[\\w\\-]+)*', 'g')) FROM statuses WHERE account_id = #{admin_id.to_i} AND NOT reply AND created_at >= (NOW() - INTERVAL '2 days') AND tsv @@ to_tsquery('new <-> dialup <-> express <2> block') EXCEPT SELECT domain FROM domain_blocks")
domains.map! do |domain|
{domain: domain, severity: :suspend, reason: '(imported from dialup.express)'}
end
end
def ten_forward_blocks
admin_id = Account.find_remote('guinan', 'tenforward.social')&.id
return [] if admin_id.nil?
domains = ActiveRecord::Base.connection.select_values("SELECT unnest(regexp_matches(text, '\\m[\\w\\-]+\\.[\\w\-]+(?:\\.[\\w\\-]+)*', 'g')) FROM statuses WHERE account_id = #{admin_id.to_i} AND NOT reply AND created_at >= (NOW() - INTERVAL '2 days') AND tsv @@ to_tsquery('ten <-> forward <-> moderation <-> announcement') EXCEPT SELECT domain FROM domain_blocks")
domains.map! do |domain|
{domain: domain, severity: :suspend, reason: '(imported from ten.forward)'}
end
end
def vulpine_club_blocks
url = "https://raw.githubusercontent.com/vulpineclub/vulpineclub.github.io/master/_data/blocks.yml"
body = Request.new(:get, url).perform do |response|
response.code != 200 ? nil : response.body_with_limit(66.kilobytes)
end
return [] unless body.present?
yaml = YAML::load(body)
yaml.map! do |entry|
domain = entry['domain']
next if domain.blank?
severity = entry['severity'].split('/')
reject_media = 'nomedia'.in?(severity)
severity = (severity[0].nil? || severity[0] == 'nomedia') ? 'noop' : severity[0]
reason = "(imported from vulpine.club) #{entry['reason']}#{entry['link'].present? ? " (#{entry['link']})" : ''}".rstrip
{domain: domain, severity: severity.to_sym, reject_media: reject_media, reason: reason}
end
end
# shamelessly adapted from @zac@computerfox.xyz's `silence` tool
# <https://github.com/theZacAttacks/silence/blob/master/silence>
# which you'll find useful if you're a non-monsterfork mastoadmin
def fediverse_space_fetch_domains(url)
body = Request.new(:get, url).perform do |response|
response.code != 200 ? nil : response.body_with_limit(66.kilobytes)
end
return [] unless body.present?
document = Nokogiri::HTML(body)
document.css('table.table-condensed td a').collect { |link| link.content.strip }
end
def fediverse_space_blocks
domains = FEDIVERSE_SPACE_URLS.flat_map { |url| fediverse_space_fetch_domains(url) }
domains.uniq!
domains.map! do |domain|
{domain: domain, severity: :suspend, reason: '(imported from fediverse.space)'}
end
end
end