48 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			48 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
"""Crypto API Views"""
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from cryptography.hazmat.backends import default_backend
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from cryptography.hazmat.primitives.serialization import load_pem_private_key
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from cryptography.x509 import load_pem_x509_certificate
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from rest_framework.serializers import ModelSerializer, ValidationError
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from rest_framework.viewsets import ModelViewSet
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from passbook.crypto.models import CertificateKeyPair
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class CertificateKeyPairSerializer(ModelSerializer):
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    """CertificateKeyPair Serializer"""
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    def validate_certificate_data(self, value):
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        """Verify that input is a valid PEM x509 Certificate"""
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        try:
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            load_pem_x509_certificate(value.encode("utf-8"), default_backend())
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        except ValueError:
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            raise ValidationError("Unable to load certificate.")
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        return value
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    def validate_key_data(self, value):
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        """Verify that input is a valid PEM RSA Key"""
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        # Since this field is optional, data can be empty.
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        if value == "":
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            return value
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        try:
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            load_pem_private_key(
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                str.encode("\n".join([x.strip() for x in value.split("\n")])),
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                password=None,
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                backend=default_backend(),
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            )
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        except ValueError:
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            raise ValidationError("Unable to load private key.")
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        return value
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    class Meta:
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        model = CertificateKeyPair
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        fields = ["pk", "name", "certificate_data", "key_data"]
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class CertificateKeyPairViewSet(ModelViewSet):
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    """CertificateKeyPair Viewset"""
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    queryset = CertificateKeyPair.objects.all()
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    serializer_class = CertificateKeyPairSerializer
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