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45 lines
1.2 KiB
Ruby
45 lines
1.2 KiB
Ruby
# frozen_string_literal: true
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class Antispam
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include Redisable
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ACCOUNT_AGE_EXEMPTION = 1.week.freeze
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class SilentlyDrop < StandardError
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attr_reader :status
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def initialize(status)
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super()
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@status = status
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status.created_at = Time.now.utc
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status.id = Mastodon::Snowflake.id_at(status.created_at)
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status.in_reply_to_account_id = status.thread&.account_id
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status.delete # Make sure this is not persisted
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end
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end
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def local_preflight_check!(status)
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return unless spammy_texts.any? { |spammy_text| status.text.include?(spammy_text) }
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return unless status.thread.present? && !status.thread.account.following?(status.account)
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return unless status.account.created_at >= ACCOUNT_AGE_EXEMPTION.ago
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report_if_needed!(status.account)
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raise SilentlyDrop, status
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end
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private
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def spammy_texts
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redis.smembers('antispam:spammy_texts')
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end
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def report_if_needed!(account)
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return if Report.unresolved.exists?(account: Account.representative, target_account: account)
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Report.create!(account: Account.representative, target_account: account, category: :spam, comment: 'Account automatically reported for posting a banned URL')
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end
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end
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