Validator.validate! - Code Metrics - Inspection of "Preparing for version 0.1.1 release" - ama-team/cookbook-ssh-private-keys - Measure and Improve Code Quality continuously with Scrutinizer

Completed

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by Fike

created 2017-06-23 16:19 UTC

Validator.validate! B

↳ Parent: Validator

Complexity

Conditions

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Importance

Changes	2
Bugs	0	Features	0

Metric	Value
cc	5
dl	0
loc	20
rs	8.5454
c	2
b	0
f	0

# frozen_string_literal: true

require 'tempfile'
require 'English'

require_relative 'ssh_keygen_handler'
require_relative 'exception/invalid_key_exception'

module AMA
  module Chef
    module SSHPrivateKeys
      # Validates provided key pair using ssh-keygen
      class Validator
        def initialize
          @handler = nil
        end

        # @param [AMA::Chef::SSHPrivateKeys::Model::KeyPair] pair
        def validate!(pair)
          unless pair.private_key
            message = "Provided key pair #{pair.id} is missing private key"
            raise_invalid_key_exception(message)
          end
          public_key = handler.generate_public_key(pair)
          unless pair.type == public_key.type
            message = "Key pair specified type #{pair.type}, but " \
              "#{public_key.type} was discovered"
            raise_invalid_key_exception(message)
          end
          return unless pair.public_key && pair.public_key != public_key.data
          message = [
            'Generated public key differs from ' \
              "provided public key `#{pair.id}`",
            "Provided: #{pair.public_key}",
            "Generated: #{public_key.data}"
          ]
          raise_invalid_key_exception(message.join(" #{$ORS}"))
        end

        private

        def handler
          return @handler if @handler
          binary = SSHKeygenHandler.locate_binary!
          @handler = SSHKeygenHandler.new(binary)
        end

        # @param [String] message
        def raise_invalid_key_exception(message)
          klass = AMA::Chef::SSHPrivateKeys::Exception::InvalidKeyException
          raise klass, message
        end
      end
    end
  end
end


1			# frozen_string_literal: true
2
3			require 'tempfile'
4			require 'English'
5
6			require_relative 'ssh_keygen_handler'
7			require_relative 'exception/invalid_key_exception'
8
9			module AMA
10			module Chef
11			module SSHPrivateKeys
12			# Validates provided key pair using ssh-keygen
13			class Validator
14			def initialize
15			@handler = nil
16			end
17
18			# @param [AMA::Chef::SSHPrivateKeys::Model::KeyPair] pair
19			def validate!(pair)
20			unless pair.private_key
21			message = "Provided key pair #{pair.id} is missing private key"
22			raise_invalid_key_exception(message)
23			end
24			public_key = handler.generate_public_key(pair)
25			unless pair.type == public_key.type
26			message = "Key pair specified type #{pair.type}, but " \
27			"#{public_key.type} was discovered"
28			raise_invalid_key_exception(message)
29			end
30			return unless pair.public_key && pair.public_key != public_key.data
31			message = [
32			'Generated public key differs from ' \
33			"provided public key `#{pair.id}`",
34			"Provided: #{pair.public_key}",
35			"Generated: #{public_key.data}"
36			]
37			raise_invalid_key_exception(message.join(" #{$ORS}"))
38			end
39
40			private
41
42			def handler
43			return @handler if @handler
44			binary = SSHKeygenHandler.locate_binary!
45			@handler = SSHKeygenHandler.new(binary)
46			end
47
48			# @param [String] message
49			def raise_invalid_key_exception(message)
50			klass = AMA::Chef::SSHPrivateKeys::Exception::InvalidKeyException
51			raise klass, message
52			end
53			end
54			end
55			end
56			end
57

ama-team / cookbook-ssh-private-keys

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