1# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license 2 3# Copyright (C) 2016 Nominum, Inc. 4# 5# Permission to use, copy, modify, and distribute this software and its 6# documentation for any purpose with or without fee is hereby granted, 7# provided that the above copyright notice and this permission notice 8# appear in all copies. 9# 10# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES 11# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR 13# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 15# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT 16# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17 18import base64 19 20import dns.exception 21import dns.rdata 22import dns.tokenizer 23 24class OPENPGPKEY(dns.rdata.Rdata): 25 26 """OPENPGPKEY record""" 27 28 # see: RFC 7929 29 30 def __init__(self, rdclass, rdtype, key): 31 super().__init__(rdclass, rdtype) 32 object.__setattr__(self, 'key', key) 33 34 def to_text(self, origin=None, relativize=True, **kw): 35 return dns.rdata._base64ify(self.key) 36 37 @classmethod 38 def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True, 39 relativize_to=None): 40 b64 = tok.concatenate_remaining_identifiers().encode() 41 key = base64.b64decode(b64) 42 return cls(rdclass, rdtype, key) 43 44 def _to_wire(self, file, compress=None, origin=None, canonicalize=False): 45 file.write(self.key) 46 47 @classmethod 48 def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): 49 key = parser.get_remaining() 50 return cls(rdclass, rdtype, key) 51