Source code for designate.objects.rrdata_spf

# Copyright (c) 2014 Rackspace Hosting
# All Rights Reserved.
#    Licensed under the Apache License, Version 2.0 (the "License"); you may
#    not use this file except in compliance with the License. You may obtain
#    a copy of the License at
#    Unless required by applicable law or agreed to in writing, software
#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
#    License for the specific language governing permissions and limitations
#    under the License.
from designate.objects import base
from designate.objects import fields
from designate.objects.record import Record
from designate.objects.record import RecordList

[docs] @base.DesignateRegistry.register class SPF(Record): """ SPF Resource Record Type Defined in: RFC4408 """ fields = { 'txt_data': fields.StringFields() }
[docs] def from_string(self, value): if not value.startswith('"') and not value.endswith('"'): # value with spaces should be quoted as per RFC1035 5.1 for element in value: if element.isspace(): raise ValueError( 'Empty spaces are not allowed in SPF record, ' 'unless wrapped in double quotes.' ) else: # quotes within value should be escaped with backslash strip_value = value.strip('"') for index, char in enumerate(strip_value): if char == '"': if strip_value[index - 1] != "\\": raise ValueError( 'Quotation marks should be escaped with backslash.' ) self.txt_data = value
# The record type is defined in the RFC. This will be used when the record # is sent by mini-dns. RECORD_TYPE = 99
[docs] @base.DesignateRegistry.register class SPFList(RecordList): LIST_ITEM_TYPE = SPF fields = { 'objects': fields.ListOfObjectsField('SPF'), }