50 lines
1.2 KiB
Ruby
50 lines
1.2 KiB
Ruby
# frozen_string_literal: true
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class Chat::ChatMessageRateLimiter
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def self.run!(user)
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instance = self.new(user)
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instance.run!
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end
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def initialize(user)
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@user = user
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end
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def run!
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return if @user.staff?
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allowed_message_count =
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(
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if @user.trust_level == TrustLevel[0]
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SiteSetting.chat_allowed_messages_for_trust_level_0
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else
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SiteSetting.chat_allowed_messages_for_other_trust_levels
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end
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)
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return if allowed_message_count.zero?
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@rate_limiter = RateLimiter.new(@user, "create_chat_message", allowed_message_count, 30.seconds)
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silence_user if @rate_limiter.remaining.zero?
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@rate_limiter.performed!
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end
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def clear!
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# Used only for testing. Need to clear the rate limiter between tests.
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@rate_limiter.clear! if defined?(@rate_limiter)
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end
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private
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def silence_user
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silenced_for_minutes = SiteSetting.chat_auto_silence_duration
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return unless silenced_for_minutes > 0
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UserSilencer.silence(
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@user,
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Discourse.system_user,
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silenced_till: silenced_for_minutes.minutes.from_now,
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reason: I18n.t("chat.errors.rate_limit_exceeded"),
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)
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end
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end
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