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PyBitmessage-2021-04-27
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Changes based on style and lint checks. (final_code_quality_17)

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omkar1117/final_code_quality_21
coffeedogs 5 years ago
parent 881e523877
commit 6d98a4ef44
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GPG Key ID: 9D818C503D0B7E70
6 changed files with 184 additions and 120 deletions
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20
dev/bloomfiltertest.py
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@ -1,10 +1,16 @@
from math import ceil
from os import stat, getenv, path
from pybloom import BloomFilter as BloomFilter1
from pybloomfilter import BloomFilter as BloomFilter2
"""
dev/bloomfiltertest.py
======================
"""
import sqlite3
from os import getenv, path
from time import time
from pybloom import BloomFilter as BloomFilter1 # pylint: disable=import-error
from pybloomfilter import BloomFilter as BloomFilter2 # pylint: disable=import-error
# Ubuntu: apt-get install python-pybloomfiltermmap
conn = sqlite3.connect(path.join(getenv("HOME"), '.config/PyBitmessage/messages.dat'))
@ -41,9 +47,9 @@ for row in cur.fetchall():
except IndexError:
pass
#f = open("/home/shurdeek/tmp/bloom.dat", "wb")
#sb1.tofile(f)
#f.close()
# f = open("/home/shurdeek/tmp/bloom.dat", "wb")
# sb1.tofile(f)
# f.close()
print "Item count: %i" % (itemcount)

34
src/bitmessageqt/dialogs.py
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@ -1,17 +1,21 @@
from PyQt4 import QtGui
from tr import _translate
from retranslateui import RetranslateMixin
import widgets
"""
src/bitmessageqt/dialogs.py
===========================
"""
from newchandialog import NewChanDialog
from address_dialogs import (
AddAddressDialog, NewAddressDialog, NewSubscriptionDialog,
RegenerateAddressesDialog, SpecialAddressBehaviorDialog, EmailGatewayDialog
)
from PyQt4 import QtGui
import paths
from version import softwareVersion
import paths
import widgets
from address_dialogs import (
AddAddressDialog, EmailGatewayDialog, NewAddressDialog, NewSubscriptionDialog, RegenerateAddressesDialog,
SpecialAddressBehaviorDialog
)
from newchandialog import NewChanDialog
from retranslateui import RetranslateMixin
from tr import _translate
__all__ = [
"NewChanDialog", "AddAddressDialog", "NewAddressDialog",
@ -21,6 +25,7 @@ __all__ = [
class AboutDialog(QtGui.QDialog, RetranslateMixin):
"""The `About` dialog"""
def __init__(self, parent=None):
super(AboutDialog, self).__init__(parent)
widgets.load('about.ui', self)
@ -32,7 +37,7 @@ class AboutDialog(QtGui.QDialog, RetranslateMixin):
self.labelVersion.setText(
self.labelVersion.text().replace(
':version:', version
).replace(':branch:', commit or 'v%s' % version)
).replace(':branch:', commit or 'v%s' % version)
)
self.labelVersion.setOpenExternalLinks(True)
@ -48,21 +53,23 @@ class AboutDialog(QtGui.QDialog, RetranslateMixin):
class IconGlossaryDialog(QtGui.QDialog, RetranslateMixin):
"""The `Icon Glossary` dialog, explaining the status icon colors"""
def __init__(self, parent=None, config=None):
super(IconGlossaryDialog, self).__init__(parent)
widgets.load('iconglossary.ui', self)
# FIXME: check the window title visibility here
# .. todo:: FIXME: check the window title visibility here
self.groupBox.setTitle('')
self.labelPortNumber.setText(_translate(
"iconGlossaryDialog",
"You are using TCP port %1. (This can be changed in the settings)."
).arg(config.getint('bitmessagesettings', 'port')))
).arg(config.getint('bitmessagesettings', 'port')))
self.setFixedSize(QtGui.QWidget.sizeHint(self))
class HelpDialog(QtGui.QDialog, RetranslateMixin):
"""The `Help` dialog"""
def __init__(self, parent=None):
super(HelpDialog, self).__init__(parent)
widgets.load('help.ui', self)
@ -70,6 +77,7 @@ class HelpDialog(QtGui.QDialog, RetranslateMixin):
class ConnectDialog(QtGui.QDialog, RetranslateMixin):
"""The `Connect` dialog"""
def __init__(self, parent=None):
super(ConnectDialog, self).__init__(parent)
widgets.load('connect.ui', self)

52
src/bitmessageqt/newchandialog.py
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@ -1,41 +1,72 @@
"""
src/bitmessageqt/newchandialog.py
=================================
"""
from PyQt4 import QtCore, QtGui
import widgets
from addresses import addBMIfNotPresent
from addressvalidator import AddressValidator, PassPhraseValidator
from queues import apiAddressGeneratorReturnQueue, addressGeneratorQueue, UISignalQueue
from queues import UISignalQueue, addressGeneratorQueue, apiAddressGeneratorReturnQueue
from retranslateui import RetranslateMixin
from tr import _translate
from utils import str_chan
import widgets
class NewChanDialog(QtGui.QDialog, RetranslateMixin):
"""The `New Chan` dialog"""
def __init__(self, parent=None):
super(NewChanDialog, self).__init__(parent)
widgets.load('newchandialog.ui', self)
self.parent = parent
self.chanAddress.setValidator(AddressValidator(self.chanAddress, self.chanPassPhrase, self.validatorFeedback, self.buttonBox, False))
self.chanPassPhrase.setValidator(PassPhraseValidator(self.chanPassPhrase, self.chanAddress, self.validatorFeedback, self.buttonBox, False))
self.chanAddress.setValidator(
AddressValidator(
self.chanAddress,
self.chanPassPhrase,
self.validatorFeedback,
self.buttonBox,
False))
self.chanPassPhrase.setValidator(
PassPhraseValidator(
self.chanPassPhrase,
self.chanAddress,
self.validatorFeedback,
self.buttonBox,
False))
self.timer = QtCore.QTimer()
QtCore.QObject.connect(self.timer, QtCore.SIGNAL("timeout()"), self.delayedUpdateStatus)
self.timer.start(500) # milliseconds
QtCore.QObject.connect( # pylint: disable=no-member
self.timer, QtCore.SIGNAL("timeout()"), self.delayedUpdateStatus)
self.timer.start(500) # milliseconds
self.setAttribute(QtCore.Qt.WA_DeleteOnClose)
self.show()
def delayedUpdateStatus(self):
"""Related to updating the UI for the chan passphrase validity"""
self.chanPassPhrase.validator().checkQueue()
def accept(self):
"""Proceed in joining the chan"""
self.timer.stop()
self.hide()
apiAddressGeneratorReturnQueue.queue.clear()
if self.chanAddress.text().toUtf8() == "":
addressGeneratorQueue.put(('createChan', 4, 1, str_chan + ' ' + str(self.chanPassPhrase.text().toUtf8()), self.chanPassPhrase.text().toUtf8(), True))
addressGeneratorQueue.put(
('createChan', 4, 1, str_chan + ' ' + str(self.chanPassPhrase.text().toUtf8()),
self.chanPassPhrase.text().toUtf8(),
True))
else:
addressGeneratorQueue.put(('joinChan', addBMIfNotPresent(self.chanAddress.text().toUtf8()), str_chan + ' ' + str(self.chanPassPhrase.text().toUtf8()), self.chanPassPhrase.text().toUtf8(), True))
addressGeneratorQueue.put(
('joinChan', addBMIfNotPresent(self.chanAddress.text().toUtf8()),
str_chan + ' ' + str(self.chanPassPhrase.text().toUtf8()),
self.chanPassPhrase.text().toUtf8(),
True))
addressGeneratorReturnValue = apiAddressGeneratorReturnQueue.get(True)
if len(addressGeneratorReturnValue) > 0 and addressGeneratorReturnValue[0] != 'chan name does not match address':
UISignalQueue.put(('updateStatusBar', _translate("newchandialog", "Successfully created / joined chan %1").arg(unicode(self.chanPassPhrase.text()))))
if addressGeneratorReturnValue and addressGeneratorReturnValue[0] != 'chan name does not match address':
UISignalQueue.put(('updateStatusBar', _translate(
"newchandialog", "Successfully created / joined chan %1").arg(unicode(self.chanPassPhrase.text()))))
self.parent.ui.tabWidget.setCurrentIndex(
self.parent.ui.tabWidget.indexOf(self.parent.ui.chans)
)
@ -45,6 +76,7 @@ class NewChanDialog(QtGui.QDialog, RetranslateMixin):
self.done(QtGui.QDialog.Rejected)
def reject(self):
"""Cancel joining the chan"""
self.timer.stop()
self.hide()
UISignalQueue.put(('updateStatusBar', _translate("newchandialog", "Chan creation / joining cancelled")))

73
src/helper_startup.py
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@ -1,16 +1,23 @@
"""Helper Start performs all the startup operations."""
"""
src/helper_startup.py
=====================
Helper Start performs all the startup operations.
"""
# pylint: disable=too-many-branches,too-many-statements
from __future__ import print_function
import ConfigParser
from bmconfigparser import BMConfigParser
import defaults
import sys
import os
import platform
import sys
from distutils.version import StrictVersion
import defaults
import helper_random
import paths
import state
import helper_random
from bmconfigparser import BMConfigParser
# The user may de-select Portable Mode in the settings if they want
# the config files to stay in the application data folder.
@ -30,6 +37,7 @@ def _loadTrustedPeer():
def loadConfig():
"""Load the config"""
config = BMConfigParser()
if state.appdata:
config.read(state.appdata + 'keys.dat')
@ -44,7 +52,7 @@ def loadConfig():
config.read(paths.lookupExeFolder() + 'keys.dat')
try:
config.get('bitmessagesettings', 'settingsversion')
print 'Loading config files from same directory as program.'
print('Loading config files from same directory as program.')
needToCreateKeysFile = False
state.appdata = paths.lookupExeFolder()
except:
@ -55,7 +63,7 @@ def loadConfig():
needToCreateKeysFile = config.safeGet(
'bitmessagesettings', 'settingsversion') is None
if not needToCreateKeysFile:
print 'Loading existing config files from', state.appdata
print('Loading existing config files from', state.appdata)
if needToCreateKeysFile:
@ -80,7 +88,6 @@ def loadConfig():
config.set('bitmessagesettings', 'sockshostname', 'localhost')
config.set('bitmessagesettings', 'socksport', '9050')
config.set('bitmessagesettings', 'socksauthentication', 'false')
# config.set('bitmessagesettings', 'sockslisten', 'false')
config.set('bitmessagesettings', 'socksusername', '')
config.set('bitmessagesettings', 'sockspassword', '')
config.set('bitmessagesettings', 'keysencrypted', 'false')
@ -92,30 +99,14 @@ def loadConfig():
'bitmessagesettings', 'defaultpayloadlengthextrabytes',
str(defaults.networkDefaultPayloadLengthExtraBytes))
config.set('bitmessagesettings', 'minimizeonclose', 'false')
# config.set(
# 'bitmessagesettings', 'maxacceptablenoncetrialsperbyte', '0')
# config.set(
# 'bitmessagesettings', 'maxacceptablepayloadlengthextrabytes',
# '0')
config.set('bitmessagesettings', 'dontconnect', 'true')
# config.set('bitmessagesettings', 'userlocale', 'system')
# config.set('bitmessagesettings', 'useidenticons', 'True')
# config.set(
# 'bitmessagesettings', 'identiconsuffix',
# ''.join(helper_random.randomchoice(
# "123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz"
# ) for x in range(12)
# )) # a twelve character pseudo-password to salt the identicons
config.set('bitmessagesettings', 'replybelow', 'False')
config.set('bitmessagesettings', 'maxdownloadrate', '0')
config.set('bitmessagesettings', 'maxuploadrate', '0')
# config.set('bitmessagesettings', 'maxoutboundconnections', '8')
# config.set('bitmessagesettings', 'ttl', '367200')
# UI setting to stop trying to send messages after X days/months
config.set('bitmessagesettings', 'stopresendingafterxdays', '')
config.set('bitmessagesettings', 'stopresendingafterxmonths', '')
# config.set('bitmessagesettings', 'timeperiod', '-1')
# Are you hoping to add a new option to the keys.dat file? You're in
# the right place for adding it to users who install the software for
@ -127,9 +118,9 @@ def loadConfig():
# Just use the same directory as the program and forget about
# the appdata folder
state.appdata = ''
print 'Creating new config files in same directory as program.'
print('Creating new config files in same directory as program.')
else:
print 'Creating new config files in', state.appdata
print('Creating new config files in', state.appdata)
if not os.path.exists(state.appdata):
os.makedirs(state.appdata)
if not sys.platform.startswith('win'):
@ -142,6 +133,7 @@ def loadConfig():
def updateConfig():
"""Save the config"""
config = BMConfigParser()
settingsversion = config.getint('bitmessagesettings', 'settingsversion')
if settingsversion == 1:
@ -172,20 +164,6 @@ def updateConfig():
'bitmessagesettings', 'maxacceptablepayloadlengthextrabytes', '0')
settingsversion = 7
# Raise the default required difficulty from 1 to 2
# With the change to protocol v3, this is obsolete.
# if settingsversion == 6:
# if int(shared.config.get(
# 'bitmessagesettings', 'defaultnoncetrialsperbyte'
# )) == defaults.networkDefaultProofOfWorkNonceTrialsPerByte:
# shared.config.set(
# 'bitmessagesettings', 'defaultnoncetrialsperbyte',
# str(
# defaults.networkDefaultProofOfWorkNonceTrialsPerByte
# * 2)
# )
# settingsversion = 7
if not config.has_option('bitmessagesettings', 'sockslisten'):
config.set('bitmessagesettings', 'sockslisten', 'false')
@ -200,11 +178,11 @@ def updateConfig():
if not config.has_option('bitmessagesettings', 'identiconsuffix'):
# acts as a salt
config.set(
'bitmessagesettings', 'identiconsuffix',
''.join(helper_random.randomchoice(
"123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz"
) for x in range(12)
)) # a twelve character pseudo-password to salt the identicons
'bitmessagesettings', 'identiconsuffix', ''.join(
helper_random.randomchoice("123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz")
for x in range(12)
)
) # a twelve character pseudo-password to salt the identicons
# Add settings to support no longer resending messages after
# a certain period of time even if we never get an ack
@ -273,9 +251,7 @@ def updateConfig():
str(defaults.ridiculousDifficulty *
defaults.networkDefaultProofOfWorkNonceTrialsPerByte)
)
if config.safeGetInt(
'bitmessagesettings', 'maxacceptablepayloadlengthextrabytes'
) == 0:
if config.safeGetInt('bitmessagesettings', 'maxacceptablepayloadlengthextrabytes') == 0:
config.set(
'bitmessagesettings', 'maxacceptablepayloadlengthextrabytes',
str(defaults.ridiculousDifficulty *
@ -308,6 +284,7 @@ def updateConfig():
def isOurOperatingSystemLimitedToHavingVeryFewHalfOpenConnections():
"""Check for (mainly XP and Vista) limitations"""
try:
if sys.platform[0:3] == "win":
VER_THIS = StrictVersion(platform.version())

106
src/highlevelcrypto.py
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@ -1,39 +1,65 @@
"""
src/highlevelcrypto.py
======================
"""
from binascii import hexlify
from bmconfigparser import BMConfigParser
import pyelliptic
from pyelliptic import arithmetic as a, OpenSSL
from bmconfigparser import BMConfigParser
from pyelliptic import OpenSSL
from pyelliptic import arithmetic as a
def makeCryptor(privkey):
"""Return a private pyelliptic.ECC() instance"""
private_key = a.changebase(privkey, 16, 256, minlen=32)
public_key = pointMult(private_key)
privkey_bin = '\x02\xca\x00\x20' + private_key
pubkey_bin = '\x02\xca\x00\x20' + public_key[1:-32] + '\x00\x20' + public_key[-32:]
cryptor = pyelliptic.ECC(curve='secp256k1',privkey=privkey_bin,pubkey=pubkey_bin)
cryptor = pyelliptic.ECC(curve='secp256k1', privkey=privkey_bin, pubkey=pubkey_bin)
return cryptor
def hexToPubkey(pubkey):
pubkey_raw = a.changebase(pubkey[2:],16,256,minlen=64)
pubkey_bin = '\x02\xca\x00 '+pubkey_raw[:32]+'\x00 '+pubkey_raw[32:]
"""Convert a pubkey from hex to binary"""
pubkey_raw = a.changebase(pubkey[2:], 16, 256, minlen=64)
pubkey_bin = '\x02\xca\x00 ' + pubkey_raw[:32] + '\x00 ' + pubkey_raw[32:]
return pubkey_bin
def makePubCryptor(pubkey):
"""Return a public pyelliptic.ECC() instance"""
pubkey_bin = hexToPubkey(pubkey)
return pyelliptic.ECC(curve='secp256k1',pubkey=pubkey_bin)
# Converts hex private key into hex public key
return pyelliptic.ECC(curve='secp256k1', pubkey=pubkey_bin)
def privToPub(privkey):
"""Converts hex private key into hex public key"""
private_key = a.changebase(privkey, 16, 256, minlen=32)
public_key = pointMult(private_key)
return hexlify(public_key)
# Encrypts message with hex public key
def encrypt(msg,hexPubkey):
return pyelliptic.ECC(curve='secp256k1').encrypt(msg,hexToPubkey(hexPubkey))
# Decrypts message with hex private key
def decrypt(msg,hexPrivkey):
def encrypt(msg, hexPubkey):
"""Encrypts message with hex public key"""
return pyelliptic.ECC(curve='secp256k1').encrypt(msg, hexToPubkey(hexPubkey))
def decrypt(msg, hexPrivkey):
"""Decrypts message with hex private key"""
return makeCryptor(hexPrivkey).decrypt(msg)
# Decrypts message with an existing pyelliptic.ECC.ECC object
def decryptFast(msg,cryptor):
def decryptFast(msg, cryptor):
"""Decrypts message with an existing pyelliptic.ECC.ECC object"""
return cryptor.decrypt(msg)
# Signs with hex private key
def sign(msg,hexPrivkey):
# pyelliptic is upgrading from SHA1 to SHA256 for signing. We must
# upgrade PyBitmessage gracefully.
def sign(msg, hexPrivkey):
"""Signs with hex private key"""
# pyelliptic is upgrading from SHA1 to SHA256 for signing. We must
# upgrade PyBitmessage gracefully.
# https://github.com/yann2192/pyelliptic/pull/33
# More discussion: https://github.com/yann2192/pyelliptic/issues/32
digestAlg = BMConfigParser().safeGet('bitmessagesettings', 'digestalg', 'sha1')
@ -45,57 +71,61 @@ def sign(msg,hexPrivkey):
return makeCryptor(hexPrivkey).sign(msg, digest_alg=OpenSSL.EVP_sha256)
else:
raise ValueError("Unknown digest algorithm %s" % (digestAlg))
# Verifies with hex public key
def verify(msg,sig,hexPubkey):
def verify(msg, sig, hexPubkey):
"""Verifies with hex public key"""
# As mentioned above, we must upgrade gracefully to use SHA256. So
# let us check the signature using both SHA1 and SHA256 and if one
# of them passes then we will be satisfied. Eventually this can
# be simplified and we'll only check with SHA256.
# of them passes then we will be satisfied. Eventually this can
# be simplified and we'll only check with SHA256.
try:
sigVerifyPassed = makePubCryptor(hexPubkey).verify(sig,msg,digest_alg=OpenSSL.digest_ecdsa_sha1) # old SHA1 algorithm.
# old SHA1 algorithm.
sigVerifyPassed = makePubCryptor(hexPubkey).verify(sig, msg, digest_alg=OpenSSL.digest_ecdsa_sha1)
except:
sigVerifyPassed = False
if sigVerifyPassed:
# The signature check passed using SHA1
return True
# The signature check using SHA1 failed. Let us try it with SHA256.
# The signature check using SHA1 failed. Let us try it with SHA256.
try:
return makePubCryptor(hexPubkey).verify(sig,msg,digest_alg=OpenSSL.EVP_sha256)
return makePubCryptor(hexPubkey).verify(sig, msg, digest_alg=OpenSSL.EVP_sha256)
except:
return False
# Does an EC point multiplication; turns a private key into a public key.
def pointMult(secret):
"""
Does an EC point multiplication; turns a private key into a public key.
Evidently, this type of error can occur very rarely:
File "highlevelcrypto.py", line 54, in pointMult
group = OpenSSL.EC_KEY_get0_group(k)
WindowsError: exception: access violation reading 0x0000000000000008
"""
while True:
try:
"""
Evidently, this type of error can occur very rarely:
File "highlevelcrypto.py", line 54, in pointMult
group = OpenSSL.EC_KEY_get0_group(k)
WindowsError: exception: access violation reading 0x0000000000000008
"""
k = OpenSSL.EC_KEY_new_by_curve_name(OpenSSL.get_curve('secp256k1'))
priv_key = OpenSSL.BN_bin2bn(secret, 32, None)
group = OpenSSL.EC_KEY_get0_group(k)
pub_key = OpenSSL.EC_POINT_new(group)
OpenSSL.EC_POINT_mul(group, pub_key, priv_key, None, None, None)
OpenSSL.EC_KEY_set_private_key(k, priv_key)
OpenSSL.EC_KEY_set_public_key(k, pub_key)
size = OpenSSL.i2o_ECPublicKey(k, None)
mb = OpenSSL.create_string_buffer(size)
OpenSSL.i2o_ECPublicKey(k, OpenSSL.byref(OpenSSL.pointer(mb)))
OpenSSL.EC_POINT_free(pub_key)
OpenSSL.BN_free(priv_key)
OpenSSL.EC_KEY_free(k)
return mb.raw
except Exception as e:
except Exception:
import traceback
import time
traceback.print_exc()
time.sleep(0.2)

19
src/multiqueue.py
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@ -1,10 +1,19 @@
from collections import deque
"""
src/multiqueue.py
=================
"""
import Queue
import random
from collections import deque
import helper_random
class MultiQueue(Queue.Queue):
"""A base queue class"""
# pylint: disable=redefined-builtin,attribute-defined-outside-init
defaultQueueCount = 10
def __init__(self, maxsize=0, count=0):
if not count:
self.queueCount = MultiQueue.defaultQueueCount
@ -16,7 +25,7 @@ class MultiQueue(Queue.Queue):
def _init(self, maxsize):
self.iter = 0
self.queues = []
for i in range(self.queueCount):
for _ in range(self.queueCount):
self.queues.append(deque())
def _qsize(self, len=len):
@ -24,7 +33,7 @@ class MultiQueue(Queue.Queue):
# Put a new item in the queue
def _put(self, item):
#self.queue.append(item)
# self.queue.append(item)
self.queues[helper_random.randomrandrange(self.queueCount)].append((item))
# Get an item from the queue
@ -32,7 +41,9 @@ class MultiQueue(Queue.Queue):
return self.queues[self.iter].popleft()
def iterate(self):
"""Increment the iteration counter"""
self.iter = (self.iter + 1) % self.queueCount
def totalSize(self):
"""Return the total number of items in all the queues"""
return sum(len(x) for x in self.queues)

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