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"""M2Crypto PGP2.
Copyright (c) 1999-2003 Ng Pheng Siong. All rights reserved."""
from constants import *
from packet import *
from PublicKey import *
class PublicKeyRing:
def __init__(self, keyring):
import warnings
warnings.warn('Deprecated. No maintainer for PGP. If you use this, please inform M2Crypto maintainer.', DeprecationWarning)
self._keyring = keyring
self._userid = {}
self._keyid = {}
self._spurious = []
self._pubkey = []
def load(self):
curr_pub = None
curr_index = -1
ps = packet_stream(self._keyring)
while 1:
pkt = ps.read()
if pkt is None:
break
elif isinstance(pkt, public_key_packet):
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, userid_packet):
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, signature_packet):
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):
return self._userid[id][0]
def __setitem__(self, *args):
raise NotImplementedError
def __delitem__(self, id):
pkt, idx = self._userid[id]
del self._pubkey[idx]
del self._userid[idx]
pkt, idx = self._keyid[id]
del self._keyid[idx]
def spurious(self):
return tuple(self._spurious)
def save(self, keyring):
for p in self._pubkey:
pp = p.pack()
keyring.write(pp)
def load_pubring(filename='pubring.pgp'):
pkr = PublicKeyRing(open(filename, 'rb'))
pkr.load()
return pkr
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