106 lines
3.4 KiB
Python
106 lines
3.4 KiB
Python
import base64
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from django.contrib.auth import get_user_model
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from django.utils.translation import gettext_lazy as _
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from rest_framework import serializers
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from .models import *
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from .services import *
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class WireGuardVPNSerializer(serializers.ModelSerializer):
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address = serializers.CharField(read_only=True)
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vpn_server = serializers.CharField(read_only=True)
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vpn_server_public_key = serializers.CharField(read_only=True)
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network_mask = serializers.IntegerField()
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class Meta:
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model = WireGuardVPN
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fields = [ 'wireguard_public_key', 'address', 'network_mask', 'vpn_server',
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'vpn_server_public_key' ]
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extra_kwargs = {
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'network_mask': {'write_only': True }
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}
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# class VPNNetworkSerializer(serializers.ModelSerializer):
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# class Meta:
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# model = VPNNetwork
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# fields = '__all__'
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# # This is required for finding the VPN pool, but does not
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# # exist in the model
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# network_size = serializers.IntegerField(min_value=0,
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# max_value=128,
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# write_only=True)
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# def validate_wireguard_public_key(self, value):
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# msg = _("Supplied key is not a valid wireguard public key")
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# """ FIXME: verify that this does not create broken wireguard config files,
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# i.e. contains \n or similar!
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# We might even need to be more strict to not break wireguard...
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# """
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# try:
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# base64.standard_b64decode(value)
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# except Exception as e:
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# raise serializers.ValidationError(msg)
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# if '\n' in value:
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# raise serializers.ValidationError(msg)
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# return value
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# def validate(self, data):
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# # FIXME: filter for status = active or similar
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# all_pools = VPNPool.objects.all()
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# sizes = [ p.subnetwork_size for p in all_pools ]
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# pools = VPNPool.objects.filter(subnetwork_size=data['network_size'])
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# if len(pools) == 0:
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# msg = _("No pool available for networks with size = {}. Available are: {}".format(data['network_size'], sizes))
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# raise serializers.ValidationError(msg)
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# return data
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# def create(self, validated_data):
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# """
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# Creating a new vpnnetwork - there are a couple of race conditions,
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# especially when run in parallel.
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# What we should be doing:
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# - create a reservation race free
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# - map the reservation to a network (?)
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# """
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# pools = VPNPool.objects.filter(subnetwork_size=validated_data['network_size'])
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# vpn_network = None
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# for pool in pools:
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# if pool.num_free_networks > 0:
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# next_address = pool.next_free_network
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# reservation, created = VPNNetworkReservation.objects.update_or_create(
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# vpnpool=pool, address=next_address,
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# defaults = {
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# 'status': 'used'
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# })
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# vpn_network = VPNNetwork.objects.create(
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# owner=self.context['request'].user,
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# network=reservation,
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# wireguard_public_key=validated_data['wireguard_public_key']
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# )
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# break
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# if not vpn_network:
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# # FIXME: use correct exception
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# raise Exception("Did not find any free pool")
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# return vpn_network
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