38 lines
1.3 KiB
Ruby
38 lines
1.3 KiB
Ruby
# frozen_string_literal: true
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module DnsHelpers
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def block_dns!
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stub_all_dns!
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stub_invalid_dns!
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permit_local_dns!
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end
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def permit_dns!
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allow(Addrinfo).to receive(:getaddrinfo).and_call_original
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end
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def stub_all_dns!
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allow(Addrinfo).to receive(:getaddrinfo).with(anything, anything, nil, :STREAM).and_return([])
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allow(Addrinfo).to receive(:getaddrinfo).with(anything, anything, nil, :STREAM, anything, anything).and_return([])
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end
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def stub_invalid_dns!
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allow(Addrinfo).to receive(:getaddrinfo).with(/\Afoobar\.\w|(\d{1,3}\.){4,}\d{1,3}\z/i, anything, nil, :STREAM) do
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raise SocketError, "getaddrinfo: Name or service not known"
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end
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end
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def permit_local_dns!
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local_addresses = %r{
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\A
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::1? | # IPV6
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(127|10)\.0\.0\.\d{1,3} | # 127.0.0.x or 10.0.0.x local network
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(192\.168|172\.16)\.\d{1,3}\.\d{1,3} | # 192.168.x.x or 172.16.x.x local network
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0\.0\.0\.0 | # loopback
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localhost
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\z
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}xi
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allow(Addrinfo).to receive(:getaddrinfo).with(local_addresses, anything, nil, :STREAM).and_call_original
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allow(Addrinfo).to receive(:getaddrinfo).with(local_addresses, anything, nil, :STREAM, anything, anything, any_args).and_call_original
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end
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end
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