jumpserver/apps/assets/serializers/base.py

96 lines
3.4 KiB
Python

# -*- coding: utf-8 -*-
#
from io import StringIO
from django.utils.translation import ugettext_lazy as _
from rest_framework import serializers
from common.utils import ssh_pubkey_gen, ssh_private_key_gen, validate_ssh_private_key
from assets.models import Type
class AuthSerializer(serializers.ModelSerializer):
password = serializers.CharField(required=False, allow_blank=True, allow_null=True, max_length=1024)
private_key = serializers.CharField(required=False, allow_blank=True, allow_null=True, max_length=4096)
def gen_keys(self, private_key=None, password=None):
if private_key is None:
return None, None
public_key = ssh_pubkey_gen(private_key=private_key, password=password)
return private_key, public_key
def save(self, **kwargs):
password = self.validated_data.pop('password', None) or None
private_key = self.validated_data.pop('private_key', None) or None
self.instance = super().save(**kwargs)
if password or private_key:
private_key, public_key = self.gen_keys(private_key, password)
self.instance.set_auth(password=password, private_key=private_key,
public_key=public_key)
return self.instance
class AuthSerializerMixin(serializers.ModelSerializer):
passphrase = serializers.CharField(
allow_blank=True, allow_null=True, required=False, max_length=512,
write_only=True, label=_('Key password')
)
def validate_password(self, password):
return password
def validate_private_key(self, private_key):
if not private_key:
return
passphrase = self.initial_data.get('passphrase')
passphrase = passphrase if passphrase else None
valid = validate_ssh_private_key(private_key, password=passphrase)
if not valid:
raise serializers.ValidationError(_("private key invalid or passphrase error"))
private_key = ssh_private_key_gen(private_key, password=passphrase)
string_io = StringIO()
private_key.write_private_key(string_io)
private_key = string_io.getvalue()
return private_key
def validate_public_key(self, public_key):
return public_key
@staticmethod
def clean_auth_fields(validated_data):
for field in ('password', 'private_key', 'public_key'):
value = validated_data.get(field)
if not value:
validated_data.pop(field, None)
validated_data.pop('passphrase', None)
def create(self, validated_data):
self.clean_auth_fields(validated_data)
return super().create(validated_data)
def update(self, instance, validated_data):
self.clean_auth_fields(validated_data)
return super().update(instance, validated_data)
class TypesField(serializers.MultipleChoiceField):
def __init__(self, *args, **kwargs):
kwargs['choices'] = Type.CHOICES
super().__init__(*args, **kwargs)
def to_representation(self, value):
return Type.value_to_choices(value)
def to_internal_value(self, data):
if data is None:
return data
return Type.choices_to_value(data)
class ActionsDisplayField(TypesField):
def to_representation(self, value):
values = super().to_representation(value)
choices = dict(Type.CHOICES)
return [choices.get(i) for i in values]