Source Code for Module dns.rdtypes.ANY.OPENPGPKEY

 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 
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16  # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 
17   
18  import base64 
19   
20  import dns.exception 
21  import dns.rdata 
22  import dns.tokenizer 
23   
24 -class OPENPGPKEY(dns.rdata.Rdata): 
25   
26      """OPENPGPKEY record 
27   
28      @ivar key: the key 
29      @type key: bytes 
30      @see: RFC 7929 
31      """ 
32   
33 -    def __init__(self, rdclass, rdtype, key): 
34          super(OPENPGPKEY, self).__init__(rdclass, rdtype) 
35          self.key = key 
36   
37 -    def to_text(self, origin=None, relativize=True, **kw): 
38          return dns.rdata._base64ify(self.key) 
39   
40      @classmethod 
41 -    def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True): 
42          chunks = [] 
43          while 1: 
44              t = tok.get().unescape() 
45              if t.is_eol_or_eof(): 
46                  break 
47              if not t.is_identifier(): 
48                  raise dns.exception.SyntaxError 
49              chunks.append(t.value.encode()) 
50          b64 = b''.join(chunks) 
51          key = base64.b64decode(b64) 
52          return cls(rdclass, rdtype, key) 
53   
54 -    def to_wire(self, file, compress=None, origin=None): 
55          file.write(self.key) 
56   
57      @classmethod 
58 -    def from_wire(cls, rdclass, rdtype, wire, current, rdlen, origin=None): 
59          key = wire[current: current + rdlen].unwrap() 
60          return cls(rdclass, rdtype, key) 
61