demarches-normaliennes/app/services/ip_service.rb

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526 B
Ruby
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class IPService
class << self
def ip_trusted?(ip)
ip_address = parse_address(ip)
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trusted_networks.any? { |network| network.include?(ip_address) }
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end
private
def trusted_networks
if ENV['TRUSTED_NETWORKS'].present?
ENV['TRUSTED_NETWORKS']
.split
.filter_map { |string| parse_address(string) }
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else
[]
end
end
def parse_address(address)
begin
IPAddr.new(address)
rescue
nil
end
end
end
end