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#!/usr/bin/env python
# -*- coding: utf-8 -*-
'''a module for reading and writing Pidgin's OTR key data'''
from __future__ import print_function
import os
import sys
from bs4 import BeautifulSoup
if __name__ == '__main__':
sys.path.insert(0, "../") # so the main() test suite can find otrapps module
import otrapps.util
from otrapps.otr_private_key import OtrPrivateKeys
from otrapps.otr_fingerprints import OtrFingerprints
class PidginProperties():
if sys.platform == 'win32':
path = os.path.join(os.environ.get('APPDATA'), '.purple')
else:
path = os.path.expanduser('~/.purple')
accountsfile = 'accounts.xml'
keyfile = 'otr.private_key'
fingerprintfile = 'otr.fingerprints'
@staticmethod
def _get_resources(settingsdir):
'''parse out the XMPP Resource from every Pidgin account'''
resources = dict()
accountsfile = os.path.join(settingsdir, PidginProperties.accountsfile)
if not os.path.exists(accountsfile):
print('Pidgin WARNING: No usable accounts.xml file found, add XMPP Resource to otr.private_key by hand!')
return resources
xml = ''
for line in open(accountsfile, 'r').readlines():
xml += line
for e in BeautifulSoup(xml)(text='prpl-jabber'):
pidginname = e.parent.parent.find('name').contents[0].split('/')
name = pidginname[0]
if len(pidginname) == 2:
resources[name] = pidginname[1]
else:
# Pidgin requires an XMPP Resource, even if its blank
resources[name] = ''
return resources
@staticmethod
def parse(settingsdir=None):
if settingsdir == None:
settingsdir = PidginProperties.path
kf = os.path.join(settingsdir, PidginProperties.keyfile)
if os.path.exists(kf):
keydict = OtrPrivateKeys.parse(kf)
else:
keydict = dict()
fpf = os.path.join(settingsdir, PidginProperties.fingerprintfile)
if os.path.exists(fpf):
otrapps.util.merge_keydicts(keydict, OtrFingerprints.parse(fpf))
resources = PidginProperties._get_resources(settingsdir)
for name, key in keydict.items():
if key['protocol'] == 'prpl-jabber' \
and 'x' in key.keys() \
and name in resources.keys():
key['resource'] = resources[name]
return keydict
@staticmethod
def write(keydict, savedir):
if not os.path.exists(savedir):
raise Exception('"' + savedir + '" does not exist!')
kf = os.path.join(savedir, PidginProperties.keyfile)
# Pidgin requires the XMPP resource in the account name field of the
# OTR private keys file, so fetch it from the existing account info
if os.path.exists(os.path.join(savedir, PidginProperties.accountsfile)):
accountsdir = savedir
elif os.path.exists(os.path.join(PidginProperties.path,
PidginProperties.accountsfile)):
accountsdir = PidginProperties.path
else:
raise Exception('Cannot find "' + PidginProperties.accountsfile
+ '" in "' + savedir + '"')
resources = PidginProperties._get_resources(accountsdir)
OtrPrivateKeys.write(keydict, kf, resources=resources)
accounts = []
# look for all private keys and use them for the accounts list
for name, key in keydict.items():
if 'x' in key:
accounts.append(name)
fpf = os.path.join(savedir, PidginProperties.fingerprintfile)
OtrFingerprints.write(keydict, fpf, accounts, resources=resources)
if __name__ == '__main__':
import pprint
import shutil
print('Pidgin stores its files in ' + PidginProperties.path)
if len(sys.argv) == 2:
settingsdir = sys.argv[1]
else:
settingsdir = '../tests/pidgin'
keydict = PidginProperties.parse(settingsdir)
pprint.pprint(keydict)
if not os.path.exists(os.path.join('/tmp', PidginProperties.accountsfile)):
shutil.copy(os.path.join(settingsdir, PidginProperties.accountsfile),
'/tmp')
PidginProperties.write(keydict, '/tmp')
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