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https://github.com/funamitech/mastodon
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106 lines
2.9 KiB
Ruby
106 lines
2.9 KiB
Ruby
# frozen_string_literal: true
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# == Schema Information
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#
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# Table name: domain_blocks
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#
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# id :bigint(8) not null, primary key
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# domain :string default(""), not null
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# created_at :datetime not null
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# updated_at :datetime not null
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# severity :integer default("silence")
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# reject_media :boolean default(FALSE), not null
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# reject_reports :boolean default(FALSE), not null
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# private_comment :text
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# public_comment :text
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# obfuscate :boolean default(FALSE), not null
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#
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class DomainBlock < ApplicationRecord
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include Paginable
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include DomainNormalizable
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include DomainMaterializable
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enum :severity, { silence: 0, suspend: 1, noop: 2 }
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validates :domain, presence: true, uniqueness: true, domain: true
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has_many :accounts, foreign_key: :domain, primary_key: :domain, inverse_of: false, dependent: nil
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delegate :count, to: :accounts, prefix: true
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scope :with_user_facing_limitations, -> { where(severity: [:silence, :suspend]) }
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scope :with_limitations, -> { where(severity: [:silence, :suspend]).or(where(reject_media: true)) }
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scope :by_severity, -> { in_order_of(:severity, %w(noop silence suspend)).order(:domain) }
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def to_log_human_identifier
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domain
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end
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def policies
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if suspend?
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[:suspend]
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else
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[severity.to_sym, reject_media? ? :reject_media : nil, reject_reports? ? :reject_reports : nil].reject { |policy| policy == :noop || policy.nil? }
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end
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end
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class << self
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def suspend?(domain)
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!!rule_for(domain)&.suspend?
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end
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def silence?(domain)
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!!rule_for(domain)&.silence?
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end
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def reject_media?(domain)
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!!rule_for(domain)&.reject_media?
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end
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def reject_reports?(domain)
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!!rule_for(domain)&.reject_reports?
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end
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alias blocked? suspend?
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def rule_for(domain)
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return if domain.blank?
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uri = Addressable::URI.new.tap { |u| u.host = domain.strip.delete('/') }
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segments = uri.normalized_host.split('.')
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variants = segments.map.with_index { |_, i| segments[i..].join('.') }
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where(domain: variants).by_domain_length.first
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rescue Addressable::URI::InvalidURIError, IDN::Idna::IdnaError
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nil
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end
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end
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def stricter_than?(other_block)
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return true if suspend?
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return false if other_block.suspend? && (silence? || noop?)
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return false if other_block.silence? && noop?
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(reject_media || !other_block.reject_media) && (reject_reports || !other_block.reject_reports)
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end
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def public_domain
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return domain unless obfuscate?
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length = domain.size
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visible_ratio = length / 4
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domain.chars.map.with_index do |chr, i|
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if i > visible_ratio && i < length - visible_ratio && chr != '.'
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'*'
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else
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chr
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end
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end.join
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end
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def domain_digest
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Digest::SHA256.hexdigest(domain)
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end
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end
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