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107 lines
2.9 KiB
107 lines
2.9 KiB
# 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 }, validate: true |
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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] |
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.reject { |policy| policy == :noop } |
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.compact |
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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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