docbrown/app/labor/rate_limit_checker.rb
2019-10-16 10:35:49 -04:00

43 lines
1.2 KiB
Ruby

class RateLimitChecker
attr_reader :user, :action
def initialize(user = nil)
@user = user
end
class UploadRateLimitReached < StandardError; end
def limit_by_action(action)
result = case action
when "comment_creation"
user.comments.where("created_at > ?", 30.seconds.ago).size > 9
when "published_article_creation"
user.articles.published.where("created_at > ?", 30.seconds.ago).size > 9
when "image_upload"
Rails.cache.read("#{user.id}_image_upload").to_i > 9
else
false
end
if result
@action = action
ping_admins
end
result
end
def track_image_uploads
count = Rails.cache.read("#{@user.id}_image_upload").to_i
count += 1
Rails.cache.write("#{@user.id}_image_upload", count, expires_in: 30.seconds)
end
def limit_by_email_recipient_address(address)
# This is related to the recipient, not the "user" initiator, like in action.
EmailMessage.where(to: address).
where("sent_at > ?", 2.minutes.ago).size > 5
end
def ping_admins
RateLimitCheckerJob.perform_later(user.id, action)
end
end