Module: AwsIpUtilities

Defined in:
lib/aws_ip_utilities.rb,
lib/aws_ip_utilities/version.rb

Defined Under Namespace

Modules: RackRequestTrustedProxyOverride Classes: Prefix

Constant Summary collapse

PREFIXES = 
JSON.parse(File.read(__dir__ + '/aws_ip_utilities/ip-ranges.json'), symbolize_names: true).fetch(:prefixes).map do |prefix|
  ipaddr = IPAddr.new(prefix.fetch(:ip_prefix))
  Prefix.new(ipaddr, prefix.fetch(:region), prefix.fetch(:service))
end
VERSION = 
"0.3.1568838788"
SYNC_TOKEN = 
"1568838788"

Class Method Summary collapse

Class Method Details

.aws_ip?(ip_addr_string) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/aws_ip_utilities.rb', line 18

def self.aws_ip?(ip_addr_string)
  aws_prefix(ip_addr_string) ? true : false
end

.aws_prefix(ip_addr_string) ⇒ Object 



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# File 'lib/aws_ip_utilities.rb', line 22

def self.aws_prefix(ip_addr_string)
  ip = IPAddr.new(ip_addr_string)
  PREFIXES.find { |subnet| subnet.include?(ip) }
rescue IPAddr::InvalidAddressError
  nil
end

.make_aws_rack_trusted_proxy! ⇒ Object 



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# File 'lib/aws_ip_utilities.rb', line 41

def self.make_aws_rack_trusted_proxy!
  require_relative 'aws_ip_utilities/rack_request_trusted_proxy_override'
  Rack::Request.prepend(AwsIpUtilities::RackRequestTrustedProxyOverride)
end

.region_for(ip_addr_string) ⇒ Object 



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# File 'lib/aws_ip_utilities.rb', line 29

def self.region_for(ip_addr_string)
  if prefix = aws_prefix(ip_addr_string)
    prefix.region
  end
end

.service_for(ip_addr_string) ⇒ Object 



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# File 'lib/aws_ip_utilities.rb', line 35

def self.service_for(ip_addr_string)
  if prefix = aws_prefix(ip_addr_string)
    prefix.service
  end
end