mirror of
https://gitlab2.federez.net/re2o/re2o
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442 lines
14 KiB
Python
442 lines
14 KiB
Python
# -*- mode: python; coding: utf-8 -*-
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# Re2o est un logiciel d'administration développé initiallement au rezometz. Il
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# se veut agnostique au réseau considéré, de manière à être installable en
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# quelques clics.
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#
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# Copyright © 2017 Gabriel Détraz
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# Copyright © 2017 Lara Kermarec
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# Copyright © 2017 Augustin Lemesle
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program; if not, write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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# Augustin Lemesle
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"""machines.serializers
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Serializers for the Machines app
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"""
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from rest_framework import serializers
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from machines.models import (
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Interface,
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IpType,
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Extension,
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IpList,
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Domain,
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Txt,
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Mx,
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Srv,
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Service_link,
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Ns,
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OuverturePort,
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Ipv6List,
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)
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class IpTypeField(serializers.RelatedField):
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""" Serializer for an IpType object field """
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def to_representation(self, value):
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return str(value)
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def to_internal_value(self, data):
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pass
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class IpListSerializer(serializers.ModelSerializer):
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""" Serializer for an Ipv4List obejct using the IpType serialization """
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ip_type = IpTypeField(read_only=True)
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class Meta:
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model = IpList
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fields = ("ipv4", "ip_type")
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class Ipv6ListSerializer(serializers.ModelSerializer):
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""" Serializer for an Ipv6List object """
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class Meta:
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model = Ipv6List
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fields = ("ipv6", "slaac_ip")
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class InterfaceSerializer(serializers.ModelSerializer):
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""" Serializer for an Interface object. Use SerializerMethodField
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to get ForeignKey values """
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ipv4 = IpListSerializer(read_only=True)
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# TODO : use serializer.RelatedField to avoid duplicate code
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mac_address = serializers.SerializerMethodField("get_macaddress")
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domain = serializers.SerializerMethodField("get_dns")
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extension = serializers.SerializerMethodField("get_interface_extension")
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class Meta:
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model = Interface
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fields = ("ipv4", "mac_address", "domain", "extension")
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@staticmethod
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def get_dns(obj):
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""" The name of the associated DNS object """
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return obj.domain.name
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@staticmethod
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def get_interface_extension(obj):
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""" The name of the associated Interface object """
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return obj.domain.extension.name
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@staticmethod
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def get_macaddress(obj):
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""" The string representation of the associated MAC address """
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return str(obj.mac_address)
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class FullInterfaceSerializer(serializers.ModelSerializer):
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""" Serializer for an Interface obejct. Use SerializerMethodField
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to get ForeignKey values """
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ipv4 = IpListSerializer(read_only=True)
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ipv6 = Ipv6ListSerializer(read_only=True, many=True)
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# TODO : use serializer.RelatedField to avoid duplicate code
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mac_address = serializers.SerializerMethodField("get_macaddress")
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domain = serializers.SerializerMethodField("get_dns")
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extension = serializers.SerializerMethodField("get_interface_extension")
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class Meta:
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model = Interface
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fields = ("ipv4", "ipv6", "mac_address", "domain", "extension")
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@staticmethod
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def get_dns(obj):
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""" The name of the associated DNS object """
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return obj.domain.name
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@staticmethod
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def get_interface_extension(obj):
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""" The name of the associated Extension object """
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return obj.domain.extension.name
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@staticmethod
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def get_macaddress(obj):
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""" The string representation of the associated MAC address """
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return str(obj.mac_address)
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class ExtensionNameField(serializers.RelatedField):
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""" Serializer for Extension object field """
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def to_representation(self, value):
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return value.name
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def to_internal_value(self, data):
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pass
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class TypeSerializer(serializers.ModelSerializer):
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""" Serializer for an IpType object. Use SerializerMethodField to
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get ForeignKey values. Infos about the general port policy is added """
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extension = ExtensionNameField(read_only=True)
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ouverture_ports_tcp_in = serializers.SerializerMethodField(
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"get_port_policy_input_tcp"
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)
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ouverture_ports_tcp_out = serializers.SerializerMethodField(
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"get_port_policy_output_tcp"
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)
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ouverture_ports_udp_in = serializers.SerializerMethodField(
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"get_port_policy_input_udp"
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)
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ouverture_ports_udp_out = serializers.SerializerMethodField(
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"get_port_policy_output_udp"
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)
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class Meta:
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model = IpType
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fields = (
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"name",
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"extension",
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"domaine_ip_start",
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"domaine_ip_stop",
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"prefix_v6",
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"ouverture_ports_tcp_in",
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"ouverture_ports_tcp_out",
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"ouverture_ports_udp_in",
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"ouverture_ports_udp_out",
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)
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@staticmethod
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def get_port_policy(obj, protocole, io):
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""" Generic utility function to get the policy for a given
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port, protocole and IN or OUT """
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if obj.ouverture_ports is None:
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return []
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return map(
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str,
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obj.ouverture_ports.ouvertureport_set.filter(protocole=protocole).filter(
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io=io
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),
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)
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def get_port_policy_input_tcp(self, obj):
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"""Renvoie la liste des ports ouverts en entrée tcp"""
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return self.get_port_policy(obj, OuverturePort.TCP, OuverturePort.IN)
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def get_port_policy_output_tcp(self, obj):
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"""Renvoie la liste des ports ouverts en sortie tcp"""
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return self.get_port_policy(obj, OuverturePort.TCP, OuverturePort.OUT)
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def get_port_policy_input_udp(self, obj):
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"""Renvoie la liste des ports ouverts en entrée udp"""
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return self.get_port_policy(obj, OuverturePort.UDP, OuverturePort.IN)
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def get_port_policy_output_udp(self, obj):
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"""Renvoie la liste des ports ouverts en sortie udp"""
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return self.get_port_policy(obj, OuverturePort.UDP, OuverturePort.OUT)
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class ExtensionSerializer(serializers.ModelSerializer):
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"""Serialisation d'une extension : origin_ip et la zone sont
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des foreign_key donc evalués en get_..."""
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origin = serializers.SerializerMethodField("get_origin_ip")
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zone_entry = serializers.SerializerMethodField("get_zone_name")
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soa = serializers.SerializerMethodField("get_soa_data")
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class Meta:
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model = Extension
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fields = ("name", "origin", "origin_v6", "zone_entry", "soa")
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@staticmethod
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def get_origin_ip(obj):
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""" The IP of the associated origin for the zone """
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return obj.origin.ipv4
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@staticmethod
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def get_zone_name(obj):
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""" The name of the associated zone """
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return str(obj.dns_entry)
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@staticmethod
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def get_soa_data(obj):
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""" The representation of the associated SOA """
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return {"mail": obj.soa.dns_soa_mail, "param": obj.soa.dns_soa_param}
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class MxSerializer(serializers.ModelSerializer):
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"""Serialisation d'un MX, evaluation du nom, de la zone
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et du serveur cible, etant des foreign_key"""
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name = serializers.SerializerMethodField("get_entry_name")
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zone = serializers.SerializerMethodField("get_zone_name")
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mx_entry = serializers.SerializerMethodField("get_mx_name")
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class Meta:
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model = Mx
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fields = ("zone", "priority", "name", "mx_entry")
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@staticmethod
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def get_entry_name(obj):
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""" The name of the DNS MX entry """
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return str(obj.name)
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@staticmethod
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def get_zone_name(obj):
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""" The name of the associated zone of the MX record """
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return obj.zone.name
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@staticmethod
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def get_mx_name(obj):
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""" The string representation of the entry to add to the DNS """
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return str(obj.dns_entry)
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class TxtSerializer(serializers.ModelSerializer):
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"""Serialisation d'un txt : zone cible et l'entrée txt
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sont evaluées à part"""
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zone = serializers.SerializerMethodField("get_zone_name")
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txt_entry = serializers.SerializerMethodField("get_txt_name")
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class Meta:
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model = Txt
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fields = ("zone", "txt_entry", "field1", "field2")
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@staticmethod
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def get_zone_name(obj):
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""" The name of the associated zone """
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return str(obj.zone.name)
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@staticmethod
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def get_txt_name(obj):
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""" The string representation of the entry to add to the DNS """
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return str(obj.dns_entry)
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class SrvSerializer(serializers.ModelSerializer):
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"""Serialisation d'un srv : zone cible et l'entrée txt"""
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extension = serializers.SerializerMethodField("get_extension_name")
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srv_entry = serializers.SerializerMethodField("get_srv_name")
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class Meta:
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model = Srv
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fields = (
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"service",
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"protocole",
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"extension",
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"ttl",
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"priority",
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"weight",
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"port",
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"target",
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"srv_entry",
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)
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@staticmethod
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def get_extension_name(obj):
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""" The name of the associated extension """
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return str(obj.extension.name)
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@staticmethod
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def get_srv_name(obj):
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""" The string representation of the entry to add to the DNS """
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return str(obj.dns_entry)
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class NsSerializer(serializers.ModelSerializer):
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"""Serialisation d'un NS : la zone, l'entrée ns complète et le serveur
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ns sont évalués à part"""
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zone = serializers.SerializerMethodField("get_zone_name")
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ns = serializers.SerializerMethodField("get_domain_name")
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ns_entry = serializers.SerializerMethodField("get_text_name")
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class Meta:
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model = Ns
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fields = ("zone", "ns", "ns_entry")
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@staticmethod
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def get_zone_name(obj):
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""" The name of the associated zone """
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return obj.zone.name
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@staticmethod
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def get_domain_name(obj):
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""" The name of the associated NS target """
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return str(obj.ns)
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@staticmethod
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def get_text_name(obj):
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""" The string representation of the entry to add to the DNS """
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return str(obj.dns_entry)
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class DomainSerializer(serializers.ModelSerializer):
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"""Serialisation d'un domain, extension, cname sont des foreign_key,
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et l'entrée complète, sont évalués à part"""
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extension = serializers.SerializerMethodField("get_zone_name")
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cname = serializers.SerializerMethodField("get_alias_name")
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cname_entry = serializers.SerializerMethodField("get_cname_name")
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class Meta:
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model = Domain
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fields = ("name", "extension", "cname", "cname_entry")
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@staticmethod
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def get_zone_name(obj):
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""" The name of the associated zone """
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return obj.extension.name
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@staticmethod
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def get_alias_name(obj):
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""" The name of the associated alias """
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return str(obj.cname)
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@staticmethod
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def get_cname_name(obj):
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""" The name of the associated CNAME target """
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return str(obj.dns_entry)
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class ServiceServersSerializer(serializers.ModelSerializer):
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"""Evaluation d'un Service, et serialisation"""
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server = serializers.SerializerMethodField("get_server_name")
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service = serializers.SerializerMethodField("get_service_name")
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need_regen = serializers.SerializerMethodField("get_regen_status")
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class Meta:
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model = Service_link
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fields = ("server", "service", "need_regen")
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@staticmethod
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def get_server_name(obj):
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""" The name of the associated server """
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return str(obj.server.domain.name)
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@staticmethod
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def get_service_name(obj):
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""" The name of the service name """
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return str(obj.service)
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@staticmethod
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def get_regen_status(obj):
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""" The string representation of the regen status """
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return obj.need_regen
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class OuverturePortsSerializer(serializers.Serializer):
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"""Serialisation de l'ouverture des ports"""
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ipv4 = serializers.SerializerMethodField()
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ipv6 = serializers.SerializerMethodField()
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def create(self, validated_data):
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""" Creates a new object based on the un-serialized data.
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Used to implement an abstract inherited method """
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pass
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def update(self, instance, validated_data):
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""" Updates an object based on the un-serialized data.
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Used to implement an abstract inherited method """
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pass
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@staticmethod
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def get_ipv4():
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""" The representation of the policy for the IPv4 addresses """
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return {
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i.ipv4.ipv4: {
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"tcp_in": [j.tcp_ports_in() for j in i.port_lists.all()],
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"tcp_out": [j.tcp_ports_out() for j in i.port_lists.all()],
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"udp_in": [j.udp_ports_in() for j in i.port_lists.all()],
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"udp_out": [j.udp_ports_out() for j in i.port_lists.all()],
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}
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for i in Interface.objects.all()
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if i.ipv4
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}
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@staticmethod
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def get_ipv6():
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""" The representation of the policy for the IPv6 addresses """
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return {
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i.ipv6: {
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"tcp_in": [j.tcp_ports_in() for j in i.port_lists.all()],
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"tcp_out": [j.tcp_ports_out() for j in i.port_lists.all()],
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"udp_in": [j.udp_ports_in() for j in i.port_lists.all()],
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"udp_out": [j.udp_ports_out() for j in i.port_lists.all()],
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}
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for i in Interface.objects.all()
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if i.ipv6
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}
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