Files
edx-platform/common/djangoapps/third_party_auth/samlproviderconfig/serializers.py

65 lines
2.9 KiB
Python

"""
Serializer for SAMLProviderConfig
"""
import logging
from rest_framework import serializers
from common.djangoapps.third_party_auth.models import SAMLProviderConfig, SAMLConfiguration
log = logging.getLogger(__name__)
class SAMLProviderConfigSerializer(serializers.ModelSerializer): # lint-amnesty, pylint: disable=missing-class-docstring
saml_config_id = serializers.IntegerField(required=False)
class Meta:
model = SAMLProviderConfig
fields = '__all__'
def validate(self, data):
"""
Validate that no provider config exists with a different slug and same entity ID
"""
# If there are any existing provider configs that match the payload's entity ID, don't match the slug and
# are not archived, raise a validation error. We do this to prevent provider configs from sharing entity ID's
# which link a provider config to provider data (SAML certificates). An entity ID therefore, is uniquely linked
# to a single slug/provider config (which in the case of enterprise provider slug == customer slug).
if data.get('entity_id'):
if SAMLProviderConfig.objects.current_set().filter(
entity_id=data['entity_id'],
archived=False,
).exclude(slug=data['slug']):
# There are cases of preexisting configurations that share entity id's so we can't blow up if we
# encounter this issue. Instead just log for clarity.
# raise serializers.ValidationError(f"Entity ID: {data['entity_id']} already taken")
log.warning(f"Entity ID: {data['entity_id']} already taken")
return data
def create(self, validated_data):
"""
Overwriting create in order to get a SAMLConfiguration object from id.
"""
if 'saml_config_id' in validated_data:
saml_configuration = SAMLConfiguration.objects.current_set().get(id=validated_data['saml_config_id'])
del validated_data['saml_config_id']
validated_data['saml_configuration'] = saml_configuration
if validated_data.get('attr_first_name'):
validated_data['attr_username'] = validated_data['attr_first_name']
return SAMLProviderConfig.objects.create(**validated_data)
def update(self, instance, validated_data):
if 'saml_config_id' in validated_data:
saml_configuration = SAMLConfiguration.objects.current_set().get(id=validated_data['saml_config_id'])
del validated_data['saml_config_id']
validated_data['saml_configuration'] = saml_configuration
for modifiable_field in validated_data:
setattr(
instance,
modifiable_field,
validated_data.get(modifiable_field, getattr(instance, modifiable_field))
)
instance.save()
return instance