mirror of https://github.com/jumpserver/jumpserver
477 lines
17 KiB
Python
477 lines
17 KiB
Python
import uuid
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from copy import deepcopy
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from django.db import IntegrityError
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from django.db import transaction
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from django.db.models import Q
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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 rest_framework.generics import get_object_or_404
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from rest_framework.validators import UniqueTogetherValidator
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from accounts.const import SecretType, Source, AccountInvalidPolicy
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from accounts.models import Account, AccountTemplate, GatheredAccount
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from accounts.tasks import push_accounts_to_assets_task
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from assets.const import Category, AllTypes
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from assets.models import Asset
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from common.serializers import SecretReadableMixin
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from common.serializers.fields import ObjectRelatedField, LabeledChoiceField
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from common.utils import get_logger
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from .base import BaseAccountSerializer, AuthValidateMixin
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logger = get_logger(__name__)
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class AccountCreateUpdateSerializerMixin(serializers.Serializer):
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template = serializers.PrimaryKeyRelatedField(
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queryset=AccountTemplate.objects, required=False,
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label=_("Template"), write_only=True, allow_null=True
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)
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push_now = serializers.BooleanField(
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default=False, label=_("Push now"), write_only=True
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)
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params = serializers.JSONField(
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decoder=None, encoder=None, required=False, style={'base_template': 'textarea.html'}
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)
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on_invalid = LabeledChoiceField(
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choices=AccountInvalidPolicy.choices, default=AccountInvalidPolicy.ERROR,
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write_only=True, allow_null=True, label=_('Exist policy'),
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)
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_template = None
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clean_auth_fields: callable
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class Meta:
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fields = ['template', 'push_now', 'params', 'on_invalid']
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def __init__(self, *args, **kwargs):
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super().__init__(*args, **kwargs)
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self.set_initial_value()
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def set_initial_value(self):
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if not getattr(self, 'initial_data', None):
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return
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if isinstance(self.initial_data, dict):
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initial_data = [self.initial_data]
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else:
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initial_data = self.initial_data
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for data in initial_data:
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if not data.get('asset') and not self.instance:
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raise serializers.ValidationError({'asset': UniqueTogetherValidator.missing_message})
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asset = data.get('asset') or getattr(self.instance, 'asset', None)
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self.from_template_if_need(data)
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self.set_uniq_name_if_need(data, asset)
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def set_uniq_name_if_need(self, initial_data, asset):
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name = initial_data.get('name')
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if name is not None:
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return
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request = self.context.get('request')
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if request and request.method == 'PATCH':
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return
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if not name:
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name = initial_data.get('username')
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if self.instance and self.instance.name == name:
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return
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if Account.objects.filter(name=name, asset=asset).exists():
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name = name + '_' + uuid.uuid4().hex[:4]
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initial_data['name'] = name
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@staticmethod
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def get_template_attr_for_account(template):
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# Set initial data from template
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field_names = [
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'name', 'username', 'secret',
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'secret_type', 'privileged', 'is_active'
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]
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attrs = {}
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for name in field_names:
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value = getattr(template, name, None)
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if value is None:
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continue
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attrs[name] = value
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attrs['secret'] = template.get_secret()
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return attrs
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def from_template_if_need(self, initial_data):
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if isinstance(initial_data, str):
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return
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template_id = initial_data.pop('template', None)
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if not template_id:
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return
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if isinstance(template_id, (str, uuid.UUID)):
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template = AccountTemplate.objects.filter(id=template_id).first()
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else:
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template = template_id
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if not template:
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raise serializers.ValidationError({'template': 'Template not found'})
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self._template = template
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attrs = self.get_template_attr_for_account(template)
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initial_data.update(attrs)
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initial_data.update({
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'source': Source.TEMPLATE,
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'source_id': str(template.id)
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})
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asset_id = initial_data.get('asset')
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if isinstance(asset_id, list) or not asset_id:
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return
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asset = get_object_or_404(Asset, pk=asset_id)
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initial_data['su_from'] = template.get_su_from_account(asset)
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def push_account_if_need(self, instance, push_now, params, stat):
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if not push_now or stat not in ['created', 'updated']:
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return
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transaction.on_commit(lambda: self.start_push(instance, params))
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@staticmethod
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def start_push(instance, params):
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push_accounts_to_assets_task.delay([str(instance.id)], params)
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def get_validators(self):
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_validators = super().get_validators()
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if getattr(self, 'initial_data', None) is None:
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return _validators
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on_invalid = self.initial_data.get('on_invalid')
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if on_invalid == AccountInvalidPolicy.ERROR and not self.parent:
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return _validators
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_validators = [v for v in _validators if not isinstance(v, UniqueTogetherValidator)]
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return _validators
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@staticmethod
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def do_create(vd):
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on_invalid = vd.pop('on_invalid', None)
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q = Q()
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if vd.get('name'):
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q |= Q(name=vd['name'])
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if vd.get('username'):
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q |= Q(username=vd['username'], secret_type=vd.get('secret_type'))
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instance = Account.objects.filter(asset=vd['asset']).filter(q).first()
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# 不存在这个资产，不用关系策略
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if not instance:
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instance = Account.objects.create(**vd)
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return instance, 'created'
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if on_invalid == AccountInvalidPolicy.SKIP:
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return instance, 'skipped'
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elif on_invalid == AccountInvalidPolicy.UPDATE:
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for k, v in vd.items():
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setattr(instance, k, v)
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instance.save()
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return instance, 'updated'
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else:
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raise serializers.ValidationError('Account already exists')
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def create(self, validated_data):
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push_now = validated_data.pop('push_now', None)
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params = validated_data.pop('params', None)
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self.clean_auth_fields(validated_data)
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instance, stat = self.do_create(validated_data)
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self.push_account_if_need(instance, push_now, params, stat)
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return instance
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def update(self, instance, validated_data):
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# account cannot be modified
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validated_data.pop('username', None)
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validated_data.pop('on_invalid', None)
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push_now = validated_data.pop('push_now', None)
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params = validated_data.pop('params', None)
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validated_data['source_id'] = None
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instance = super().update(instance, validated_data)
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self.push_account_if_need(instance, push_now, params, 'updated')
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return instance
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class AccountAssetSerializer(serializers.ModelSerializer):
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platform = ObjectRelatedField(read_only=True)
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category = LabeledChoiceField(choices=Category.choices, read_only=True, label=_('Category'))
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type = LabeledChoiceField(choices=AllTypes.choices(), read_only=True, label=_('Type'))
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class Meta:
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model = Asset
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fields = ['id', 'name', 'address', 'type', 'category', 'platform', 'auto_config']
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def to_internal_value(self, data):
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if isinstance(data, dict):
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i = data.get('id') or data.get('pk')
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else:
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i = data
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try:
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return Asset.objects.get(id=i)
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except Asset.DoesNotExist:
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raise serializers.ValidationError(_('Asset not found'))
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class AccountSerializer(AccountCreateUpdateSerializerMixin, BaseAccountSerializer):
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asset = AccountAssetSerializer(label=_('Asset'))
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source = LabeledChoiceField(
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choices=Source.choices, label=_("Source"), required=False,
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allow_null=True, default=Source.LOCAL
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)
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su_from = ObjectRelatedField(
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required=False, queryset=Account.objects, allow_null=True, allow_empty=True,
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label=_('Su from'), attrs=('id', 'name', 'username')
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)
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class Meta(BaseAccountSerializer.Meta):
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model = Account
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fields = BaseAccountSerializer.Meta.fields + [
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'su_from', 'asset', 'version',
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'source', 'source_id', 'connectivity',
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] + AccountCreateUpdateSerializerMixin.Meta.fields
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read_only_fields = BaseAccountSerializer.Meta.read_only_fields + [
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'connectivity'
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]
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extra_kwargs = {
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**BaseAccountSerializer.Meta.extra_kwargs,
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'name': {'required': False},
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'source_id': {'required': False, 'allow_null': True},
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}
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@classmethod
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def setup_eager_loading(cls, queryset):
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""" Perform necessary eager loading of data. """
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queryset = queryset.prefetch_related(
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'asset', 'asset__platform',
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'asset__platform__automation'
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).prefetch_related('labels', 'labels__label')
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return queryset
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class AccountDetailSerializer(AccountSerializer):
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has_secret = serializers.BooleanField(label=_("Has secret"), read_only=True)
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class Meta(AccountSerializer.Meta):
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model = Account
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fields = AccountSerializer.Meta.fields + ['has_secret']
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read_only_fields = AccountSerializer.Meta.read_only_fields + ['has_secret']
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class AssetAccountBulkSerializerResultSerializer(serializers.Serializer):
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asset = serializers.CharField(read_only=True, label=_('Asset'))
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state = serializers.CharField(read_only=True, label=_('State'))
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error = serializers.CharField(read_only=True, label=_('Error'))
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changed = serializers.BooleanField(read_only=True, label=_('Changed'))
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class AssetAccountBulkSerializer(
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AccountCreateUpdateSerializerMixin, AuthValidateMixin, serializers.ModelSerializer
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):
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su_from_username = serializers.CharField(
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max_length=128, required=False, write_only=True, allow_null=True, label=_("Su from"),
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allow_blank=True,
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)
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assets = serializers.PrimaryKeyRelatedField(queryset=Asset.objects, many=True, label=_('Assets'))
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class Meta:
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model = Account
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fields = [
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'name', 'username', 'secret', 'secret_type', 'passphrase',
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'privileged', 'is_active', 'comment', 'template',
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'on_invalid', 'push_now', 'assets', 'su_from_username',
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'source', 'source_id',
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]
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extra_kwargs = {
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'name': {'required': False},
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'secret_type': {'required': False},
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'source': {'required': False, 'allow_null': True},
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'source_id': {'required': False, 'allow_null': True},
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}
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def set_initial_value(self):
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if not getattr(self, 'initial_data', None):
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return
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initial_data = self.initial_data
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self.from_template_if_need(initial_data)
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@staticmethod
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def get_filter_lookup(vd):
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return {
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'username': vd['username'],
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'secret_type': vd['secret_type'],
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'asset': vd['asset'],
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}
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@staticmethod
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def get_uniq_name(vd):
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return vd['name'] + '-' + uuid.uuid4().hex[:4]
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@staticmethod
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def _handle_update_create(vd, lookup):
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ori = Account.objects.filter(**lookup).first()
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if ori and ori.secret == vd.get('secret'):
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return ori, False, 'skipped'
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instance, value = Account.objects.update_or_create(defaults=vd, **lookup)
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state = 'created' if value else 'updated'
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return instance, True, state
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@staticmethod
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def _handle_skip_create(vd, lookup):
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instance, value = Account.objects.get_or_create(defaults=vd, **lookup)
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state = 'created' if value else 'skipped'
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return instance, value, state
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@staticmethod
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def _handle_err_create(vd, lookup):
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instance, value = Account.objects.get_or_create(defaults=vd, **lookup)
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if not value:
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raise serializers.ValidationError(_('Account already exists'))
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return instance, True, 'created'
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def generate_su_from_data(self, validated_data):
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template = self._template
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asset = validated_data['asset']
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su_from = validated_data.get('su_from')
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su_from_username = validated_data.pop('su_from_username', None)
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if template:
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su_from = template.get_su_from_account(asset)
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elif su_from_username:
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su_from = asset.accounts.filter(username=su_from_username).first()
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validated_data['su_from'] = su_from
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def perform_create(self, vd, handler):
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lookup = self.get_filter_lookup(vd)
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vd = deepcopy(vd)
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self.generate_su_from_data(vd)
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try:
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instance, changed, state = handler(vd, lookup)
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except IntegrityError:
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vd['name'] = self.get_uniq_name(vd)
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instance, changed, state = handler(vd, lookup)
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return instance, changed, state
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def get_create_handler(self, on_invalid):
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if on_invalid == 'update':
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handler = self._handle_update_create
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elif on_invalid == 'skip':
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handler = self._handle_skip_create
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else:
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handler = self._handle_err_create
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return handler
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def perform_bulk_create(self, vd):
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assets = vd.pop('assets')
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on_invalid = vd.pop('on_invalid', 'skip')
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secret_type = vd.get('secret_type', 'password')
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if not vd.get('name'):
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vd['name'] = vd.get('username')
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create_handler = self.get_create_handler(on_invalid)
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asset_ids = [asset.id for asset in assets]
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secret_type_supports = Asset.get_secret_type_assets(asset_ids, secret_type)
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_results = {}
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for asset in assets:
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if asset not in secret_type_supports:
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_results[asset] = {
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'error': _('Asset does not support this secret type: %s') % secret_type,
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'state': 'error',
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}
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continue
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vd = vd.copy()
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vd['asset'] = asset
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try:
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self.clean_auth_fields(vd)
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instance, changed, state = self.perform_create(vd, create_handler)
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_results[asset] = {
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'changed': changed, 'instance': instance.id, 'state': state
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}
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except serializers.ValidationError as e:
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_results[asset] = {'error': e.detail[0], 'state': 'error'}
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except Exception as e:
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logger.exception(e)
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_results[asset] = {'error': str(e), 'state': 'error'}
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results = [{'asset': asset, **result} for asset, result in _results.items()]
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state_score = {'created': 3, 'updated': 2, 'skipped': 1, 'error': 0}
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results = sorted(results, key=lambda x: state_score.get(x['state'], 4))
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if on_invalid != 'error':
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return results
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errors = []
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errors.extend([result for result in results if result['state'] == 'error'])
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for result in results:
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if result['state'] != 'skipped':
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continue
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errors.append({
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'error': _('Account has exist'),
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'state': 'error',
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'asset': str(result['asset'])
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})
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if errors:
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raise serializers.ValidationError(errors)
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return results
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@staticmethod
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def push_accounts_if_need(results, push_now):
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if not push_now:
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return
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accounts = [str(v['instance']) for v in results if v.get('instance')]
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push_accounts_to_assets_task.delay(accounts)
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def create(self, validated_data):
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push_now = validated_data.pop('push_now', False)
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results = self.perform_bulk_create(validated_data)
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self.push_accounts_if_need(results, push_now)
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for res in results:
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res['asset'] = str(res['asset'])
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return results
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class AccountSecretSerializer(SecretReadableMixin, AccountSerializer):
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class Meta(AccountSerializer.Meta):
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extra_kwargs = {
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'secret': {'write_only': False},
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}
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class AccountHistorySerializer(serializers.ModelSerializer):
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secret_type = LabeledChoiceField(choices=SecretType.choices, label=_('Secret type'))
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id = serializers.IntegerField(label=_('ID'), source='history_id', read_only=True)
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class Meta:
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model = Account.history.model
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fields = [
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'id', 'secret', 'secret_type', 'version', 'history_date',
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'history_user'
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]
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read_only_fields = fields
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extra_kwargs = {
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'history_user': {'label': _('User')},
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'history_date': {'label': _('Date')},
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}
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class AccountTaskSerializer(serializers.Serializer):
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ACTION_CHOICES = (
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('verify', 'verify'),
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('push', 'push'),
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('remove', 'remove'),
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)
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action = serializers.ChoiceField(choices=ACTION_CHOICES, write_only=True)
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assets = serializers.PrimaryKeyRelatedField(
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queryset=Asset.objects, required=False, allow_empty=True, many=True
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)
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accounts = serializers.PrimaryKeyRelatedField(
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queryset=Account.objects, required=False, allow_empty=True, many=True
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)
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gather_accounts = serializers.PrimaryKeyRelatedField(
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queryset=GatheredAccount.objects, required=False, allow_empty=True, many=True
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)
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task = serializers.CharField(read_only=True)
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params = serializers.JSONField(
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decoder=None, encoder=None, required=False,
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style={'base_template': 'textarea.html'}
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)
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