30 lines
762 B
Ruby
30 lines
762 B
Ruby
module Travis::API::V3
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class Models::SSLKey < Model
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belongs_to :repository
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serialize :private_key, Travis::API::V3::Extensions::EncryptedColumn.new
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def encoded_public_key
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key = build_key.public_key
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['ssh-rsa ', "\0\0\0\assh-rsa#{sized_bytes(key.e)}#{sized_bytes(key.n)}"].pack('a*m').gsub("\n", '')
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end
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private
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def build_key
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@build_key ||= OpenSSL::PKey::RSA.new(private_key)
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end
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def sized_bytes(value)
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bytes = to_byte_array(value.to_i)
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[bytes.size, *bytes].pack('NC*')
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end
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def to_byte_array(num, *significant)
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return significant if num.between?(-1, 0) and significant[0][7] == num[7]
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to_byte_array(*num.divmod(256)) + significant
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end
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end
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end
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