mirror of https://github.com/jumpserver/jumpserver
77 lines
2.4 KiB
Python
77 lines
2.4 KiB
Python
# -*- coding: utf-8 -*-
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#
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import json
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from django.db import models
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from django import forms
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from django.utils import six
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from django.core.exceptions import ValidationError
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from django.utils.translation import ugettext as _
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from rest_framework import serializers
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from .utils import get_signer
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signer = get_signer()
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class DictField(forms.Field):
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widget = forms.Textarea
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def to_python(self, value):
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"""Returns a Python boolean object."""
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# Explicitly check for the string 'False', which is what a hidden field
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# will submit for False. Also check for '0', since this is what
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# RadioSelect will provide. Because bool("True") == bool('1') == True,
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# we don't need to handle that explicitly.
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if isinstance(value, six.string_types):
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try:
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value = json.loads(value)
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return value
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except json.JSONDecodeError:
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return ValidationError(_("Not a valid json"))
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else:
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return ValidationError(_("Not a string type"))
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def validate(self, value):
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if isinstance(value, ValidationError):
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raise value
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if not value and self.required:
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raise ValidationError(self.error_messages['required'], code='required')
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def has_changed(self, initial, data):
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# Sometimes data or initial may be a string equivalent of a boolean
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# so we should run it through to_python first to get a boolean value
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return self.to_python(initial) != self.to_python(data)
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class StringIDField(serializers.Field):
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def to_representation(self, value):
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return {"pk": value.pk, "name": value.__str__()}
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class StringManyToManyField(serializers.RelatedField):
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def to_representation(self, value):
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return value.__str__()
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class EncryptMixin:
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def from_db_value(self, value, expression, connection, context):
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if value is not None:
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return signer.unsign(value)
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return super().from_db_value(self, value, expression, connection, context)
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def get_prep_value(self, value):
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if value is None:
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return value
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return signer.sign(value).decode('utf-8')
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class EncryptTextField(EncryptMixin, models.TextField):
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description = _("Encrypt field using Secret Key")
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class EncryptCharField(EncryptMixin, models.CharField):
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def __init__(self, *args, **kwargs):
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kwargs['max_length'] = 2048
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super().__init__(*args, **kwargs)
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