nyastodon/app/models/ip_block.rb

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2020-10-12 16:33:49 +02:00
# frozen_string_literal: true
# == Schema Information
#
# Table name: ip_blocks
#
# id :bigint(8) not null, primary key
# created_at :datetime not null
# updated_at :datetime not null
# expires_at :datetime
# ip :inet default(#<IPAddr: IPv4:0.0.0.0/255.255.255.255>), not null
# severity :integer default(NULL), not null
# comment :text default(""), not null
#
class IpBlock < ApplicationRecord
CACHE_KEY = 'blocked_ips'
include Expireable
include Paginable
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enum severity: {
sign_up_requires_approval: 5000,
sign_up_block: 5500,
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no_access: 9999,
}
validates :ip, :severity, presence: true
validates :ip, uniqueness: true
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after_commit :reset_cache
def to_log_human_identifier
"#{ip}/#{ip.prefix}"
end
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class << self
def blocked?(remote_ip)
blocked_ips_map = Rails.cache.fetch(CACHE_KEY) { FastIpMap.new(IpBlock.where(severity: :no_access).pluck(:ip)) }
blocked_ips_map.include?(remote_ip)
end
end
private
def reset_cache
Rails.cache.delete(CACHE_KEY)
end
end