updated dns check of dubzone

app/interactions/actions/domain_update.rb

@@ -114,14 +114,6 @@ module Actions
       end
     end
 
-    # ============================
-    # str.unpack("H*").first
-    # irb(main):111:0> res.answer[0].public_key.to_jwk
-    # => {"kty"=>:EC, "crv"=>:"P-256", "x"=>"Qib532jY06DaPgJQP9k4B8hjYGMKxgICf_QxsIxLp_A", "y"=>"A67HVgWBrj1mEkIT7OJxXAY263DFf5t7gu7a1hNUzw4", "kid"=>"rzgBwFog0-1Eopl1J9kBm0YU8lEsws_jJnh-Se8UcAg"}
-    # вот этат x и есть public key
-    # irb(main):122:0> res.answer[0].public_key.export
-    # => "-----BEGIN PUBLIC KEY-----\nMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEQib532jY06DaPgJQP9k4B8hjYGMK\nxgICf/QxsIxLp/ADrsdWBYGuPWYSQhPs4nFcBjbrcMV/m3uC7trWE1TPDg==\n-----END PUBLIC KEY-----\n"
-
     def prepare_resolver
       dns_servers = ENV['dnssec_resolver_ips'].to_s.split(',').map(&:strip)
       dns = Dnsruby::Resolver.new({nameserver: ['192.168.99.97']})
@@ -134,93 +126,81 @@ module Actions
 
     def validate_dnssec
       dns = prepare_resolver
-      ds_record = dns.query(@params[:domain], 'DS').answer[0].rdata
-      ds_digest = dns.query(@params[:domain], 'DS').answer[0].digest
+      subzone_records = get_dnskey_records_from_subzone(resolver: dns, hostname: @params[:domain])
+      form_extension_records = extensional_dnskeys_data
 
-      p "++++++++++++++"
-      p ds_digest.upcase!
-      # @params[:dns_keys][0]
-      p generate_ds_digest(@params[:dns_keys][0])
-      p "++++++++++++++"
+      validate_data(subzone_records: subzone_records, form_extension_records: form_extension_records)
     end
 
-    def generate_ds_digest(data)
-      flags_hex = int_to_hex(data[:flags].to_i)
-      protocol_hex = int_to_hex(data[:protocol].to_i)
-      alg_hex = int_to_hex(data[:alg].to_i)
-      public_key_hex = bin_to_hex(Base64.decode64(data[:public_key]))
+    def make_magic(subzone_records:, form_data:)
+      subzone_records.any? do |subzone_data|
+        subzone_data[:basic] == form_data[:basic] &&
+          subzone_data[:public_key].include?(form_data[:public_key])
+      end
+    end
 
-      domain = Domain.find_by(name: @params[:domain])
+    def validate_data(subzone_records:, form_extension_records:)
 
-      hex = [domain.name_in_wire_format, flags_hex, protocol_hex, alg_hex, public_key_hex].join
-      bin = hex_to_bin(hex)
+      flag = false
+      form_extension_records.each do |form_data|
+        flag = make_magic(subzone_records: subzone_records, form_data: form_data)
 
-      ds_digest_type = Setting.ds_digest_type if ds_digest_type.blank? || !DS_DIGEST_TYPE.include?(ds_digest_type)
-
-      case ds_digest_type
-      when 1
-        ds_digest = Digest::SHA1.hexdigest(bin).upcase
-      when 2
-        ds_digest = Digest::SHA256.hexdigest(bin).upcase
+        break if flag
       end
 
-      ds_digest
+      return validation_dns_key_error unless flag
+
+      flag
     end
 
-    def int_to_hex(num)
-      num = num.to_s(16)
-      num.prepend('0') if num.length.odd?
+    def get_dnskey_records_from_subzone(resolver:, hostname:)
+      begin
+      ds_records_answers = resolver.query(hostname, 'DNSKEY').answer
+
+      result_container = []
+
+      ds_records_answers.each do |ds|
+        next unless ds.type == Dnsruby::Types.DNSKEY
+
+        result_container << {
+          basic: {
+            flags: ds.flags.to_s,
+            algorithm: ds.algorithm.code.to_s,
+            protocol: ds.protocol.to_s
+          },
+          public_key: ds.public_key.export.gsub!(/\s+/, '')
+        }
+      end
+
+      return result_container
+
+      rescue Dnsruby::NXDomain
+              domain.add_epp_error('2308', nil, nil, I18n.t(:dns_policy_violation))
+      end
     end
 
-    def hex_to_bin(num)
-      num.scan(/../).map(&:hex).pack('c*')
+    def validation_dns_key_error
+      domain.add_epp_error('2308', nil, nil, I18n.t(:dns_policy_violation))
     end
 
-    def bin_to_hex(num)
-      num.each_byte.map { |b| format('%02X', b) }.join
-    end
+    def extensional_dnskeys_data
+      dnskeys_data = @params[:dns_keys]
 
-    #
-    #     def validate_dnskey
-    #       # domain = Domain.find_by(name: @params[:domain])
-    #       dns = prepare_resolver
-    #       update_params_info = parse_data_from_update_request(@params[:dns_keys][0])
-    #
-    #       domain.add_epp_error('2308', nil, nil, I18n.t(:dns_policy_violation)) if domain.nameservers.empty?
-    #
-    #       zone_info = parse_data_from_zonefile(dns_resolver: dns, hostname: domain.name)
-    #
-    #       unless zone_info == update_params_info || zone_info.nil?
-    #         domain.add_epp_error('2308', nil, nil, I18n.t(:dns_policy_violation))
-    #       end
-    #
-    #       true
-    #     end
-    #
-    #     def parse_data_from_update_request(data)
-    #       {
-    #         flags: data[:flags],
-    #         algorithm: data[:alg],
-    #         protocol: data[:protocol],
-    #       }
-    #     end
-    #
-    #     def parse_data_from_zonefile(dns_resolver:, hostname:)
-    #       begin
-    #         alg = dns_resolver.query(hostname, 'DS').answer[0].rdata[1]
-    #         result = dns_resolver.query(hostname, 'DNSKEY').answer
-    #
-    #         return nil if answer.empty?
-    #
-    #         {
-    #           flags: result[0].flags.to_s,
-    #           algorithm: alg.to_s,
-    #           protocol: result[0].protocol.to_s,
-    #         }
-    #       rescue Dnsruby::NXDomain
-    #       domain.add_epp_error('2308', nil, nil, I18n.t(:dns_policy_violation))
-    #       end
-    #     end
+      result_container = []
+
+      dnskeys_data.each do |ds|
+        result_container << {
+                  basic: {
+                    flags: ds[:flags].to_s,
+                    algorithm: ds[:alg].to_s,
+                    protocol: ds[:protocol].to_s,
+                  },
+                  public_key: ds[:public_key]
+        }
+      end
+
+      result_container
+    end
 
     def assign_removable_dnskey(key)
       dnkey = domain.dnskeys.find_by(key.except(:action))