Source code for M2Crypto.PGP.PublicKeyRing
from __future__ import absolute_import
"""M2Crypto PGP2.
Copyright (c) 1999-2003 Ng Pheng Siong. All rights reserved."""
from M2Crypto import util
from M2Crypto.PGP.PublicKey import * # noqa
from M2Crypto.PGP.constants import * # noqa
from M2Crypto.PGP.packet import * # noqa
if util.py27plus:
from typing import Any, AnyStr, List, Tuple # noqa
[docs]class PublicKeyRing:
def __init__(self, keyring):
# type: (object) -> None
import warnings
warnings.warn(
'Deprecated. No maintainer for PGP. If you use this, ' +
'please inform M2Crypto maintainer.',
DeprecationWarning)
self._keyring = keyring
self._userid = {} # type: dict
self._keyid = {} # type: dict
self._spurious = [] # type: list
self._pubkey = [] # type: list
[docs] def load(self):
# type: () -> None
curr_pub = None
curr_index = -1
ps = PacketStream(self._keyring)
while 1:
pkt = ps.read()
if pkt is None:
break
elif isinstance(pkt, PublicKeyPacket):
curr_index = curr_index + 1
curr_pub = PublicKey(pkt)
self._pubkey.append(curr_pub)
# self._keyid[curr_pub.keyid()] = (curr_pub, curr_index)
elif isinstance(pkt, UserIDPacket):
if curr_pub is None:
self._spurious.append(pkt)
else:
curr_pub.add_userid(pkt)
self._userid[pkt.userid()] = (curr_pub, curr_index)
elif isinstance(pkt, SignaturePacket):
if curr_pub is None:
self._spurious.append(pkt)
else:
curr_pub.add_signature(pkt)
else:
self._spurious.append(pkt)
ps.close()
def __getitem__(self, id):
# type: (int) -> int
return self._userid[id][0]
def __setitem__(self, *args):
# type: (*List[Any]) -> None
raise NotImplementedError
def __delitem__(self, id):
# type: (int) -> None
pkt, idx = self._userid[id]
del self._pubkey[idx]
del self._userid[idx]
pkt, idx = self._keyid[id]
del self._keyid[idx]
[docs] def spurious(self):
# type: () -> Tuple[SignaturePacket]
return tuple(self._spurious)
[docs] def save(self, keyring):
# type: (file) -> None
for p in self._pubkey:
pp = p.pack()
keyring.write(pp)
[docs]def load_pubring(filename='pubring.pgp'):
# type: (AnyStr) -> PublicKeyRing
with open(filename, 'rb') as pkr_f:
pkr = PublicKeyRing(pkr_f)
pkr.load()
return pkr