mirror of
https://github.com/discourse/discourse.git
synced 2024-12-15 21:13:53 +08:00
50 lines
1.2 KiB
Ruby
50 lines
1.2 KiB
Ruby
|
# frozen_string_literal: true
|
||
|
|
||
|
class Chat::ChatMessageRateLimiter
|
||
|
def self.run!(user)
|
||
|
instance = self.new(user)
|
||
|
instance.run!
|
||
|
end
|
||
|
|
||
|
def initialize(user)
|
||
|
@user = user
|
||
|
end
|
||
|
|
||
|
def run!
|
||
|
return if @user.staff?
|
||
|
|
||
|
allowed_message_count =
|
||
|
(
|
||
|
if @user.trust_level == TrustLevel[0]
|
||
|
SiteSetting.chat_allowed_messages_for_trust_level_0
|
||
|
else
|
||
|
SiteSetting.chat_allowed_messages_for_other_trust_levels
|
||
|
end
|
||
|
)
|
||
|
return if allowed_message_count.zero?
|
||
|
|
||
|
@rate_limiter = RateLimiter.new(@user, "create_chat_message", allowed_message_count, 30.seconds)
|
||
|
silence_user if @rate_limiter.remaining.zero?
|
||
|
@rate_limiter.performed!
|
||
|
end
|
||
|
|
||
|
def clear!
|
||
|
# Used only for testing. Need to clear the rate limiter between tests.
|
||
|
@rate_limiter.clear! if defined?(@rate_limiter)
|
||
|
end
|
||
|
|
||
|
private
|
||
|
|
||
|
def silence_user
|
||
|
silenced_for_minutes = SiteSetting.chat_auto_silence_duration
|
||
|
return unless silenced_for_minutes > 0
|
||
|
|
||
|
UserSilencer.silence(
|
||
|
@user,
|
||
|
Discourse.system_user,
|
||
|
silenced_till: silenced_for_minutes.minutes.from_now,
|
||
|
reason: I18n.t("chat.errors.rate_limit_exceeded"),
|
||
|
)
|
||
|
end
|
||
|
end
|