def validate(self, data):
public_key_provider = get_provider()
public_key_pem = public_key_provider.get_public_key(self.keybase_username)
signed_message = data['signed_message']
with gpg_keyring(public_key_pem) as gpg:
verification = gpg.verify(signed_message)
validate_signature(verification)
message = gpg.decrypt(signed_message).data
try:
peer_review_data = json.loads(message)
except ValueError:
raise serializers.ValidationError(self.error_messages['json_invalid'])
validate_peer_review(peer_review_data)
validated_data = {
'data': json.dumps({
'policy_application': peer_review_data,
'signed_message': signed_message,
'public_key': public_key_pem,
'public_key_provider': public_key_provider.name,
'public_key_identity': {
'username': self.keybase_username,
}
}, sort_keys=True),
'result': peer_review_data['result'],
}
return validated_data