Reference client for Bitmessage: a P2P encrypted decentralised communication protocol:
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"""
Startup operations.
"""
# pylint: disable=too-many-branches,too-many-statements
from __future__ import print_function
import os
import platform
import sys
from distutils.version import StrictVersion
import defaults
import helper_random
import paths
import state
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.
StoreConfigFilesInSameDirectoryAsProgramByDefault = False
def loadConfig():
"""Load the config"""
config = BMConfigParser()
if state.appdata:
config.read(state.appdata + 'keys.dat')
# state.appdata must have been specified as a startup option.
needToCreateKeysFile = config.safeGet(
'bitmessagesettings', 'settingsversion') is None
if not needToCreateKeysFile:
print(
'Loading config files from directory specified'
' on startup: %s' % state.appdata)
else:
config.read(paths.lookupExeFolder() + 'keys.dat')
try:
config.get('bitmessagesettings', 'settingsversion')
print('Loading config files from same directory as program.')
needToCreateKeysFile = False
state.appdata = paths.lookupExeFolder()
except:
# Could not load the keys.dat file in the program directory.
# Perhaps it is in the appdata directory.
state.appdata = paths.lookupAppdataFolder()
config.read(state.appdata + 'keys.dat')
needToCreateKeysFile = config.safeGet(
'bitmessagesettings', 'settingsversion') is None
if not needToCreateKeysFile:
print('Loading existing config files from', state.appdata)
if needToCreateKeysFile:
# This appears to be the first time running the program; there is
# no config file (or it cannot be accessed). Create config file.
config.add_section('bitmessagesettings')
config.set('bitmessagesettings', 'settingsversion', '10')
config.set('bitmessagesettings', 'port', '8444')
config.set('bitmessagesettings', 'timeformat', '%%c')
config.set('bitmessagesettings', 'blackwhitelist', 'black')
config.set('bitmessagesettings', 'startonlogon', 'false')
if 'linux' in sys.platform:
config.set('bitmessagesettings', 'minimizetotray', 'false')
# This isn't implimented yet and when True on
# Ubuntu causes Bitmessage to disappear while
# running when minimized.
else:
config.set('bitmessagesettings', 'minimizetotray', 'true')
config.set('bitmessagesettings', 'showtraynotifications', 'true')
config.set('bitmessagesettings', 'startintray', 'false')
config.set('bitmessagesettings', 'socksproxytype', 'none')
config.set('bitmessagesettings', 'sockshostname', 'localhost')
config.set('bitmessagesettings', 'socksport', '9050')
config.set('bitmessagesettings', 'socksauthentication', 'false')
config.set('bitmessagesettings', 'socksusername', '')
config.set('bitmessagesettings', 'sockspassword', '')
config.set('bitmessagesettings', 'keysencrypted', 'false')
config.set('bitmessagesettings', 'messagesencrypted', 'false')
config.set(
'bitmessagesettings', 'defaultnoncetrialsperbyte',
str(defaults.networkDefaultProofOfWorkNonceTrialsPerByte))
config.set(
'bitmessagesettings', 'defaultpayloadlengthextrabytes',
str(defaults.networkDefaultPayloadLengthExtraBytes))
config.set('bitmessagesettings', 'minimizeonclose', 'false')
config.set('bitmessagesettings', 'dontconnect', 'true')
config.set('bitmessagesettings', 'replybelow', 'False')
config.set('bitmessagesettings', 'maxdownloadrate', '0')
config.set('bitmessagesettings', 'maxuploadrate', '0')
# UI setting to stop trying to send messages after X days/months
config.set('bitmessagesettings', 'stopresendingafterxdays', '')
config.set('bitmessagesettings', 'stopresendingafterxmonths', '')
# 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
# the first time. But you must also add it to the keys.dat file of
# existing users. To do that, search the class_sqlThread.py file
# for the text: "right above this line!"
if StoreConfigFilesInSameDirectoryAsProgramByDefault:
# 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.')
else:
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'):
os.umask(0o077)
config.save()
else:
updateConfig()
def updateConfig():
"""Save the config"""
config = BMConfigParser()
settingsversion = config.getint('bitmessagesettings', 'settingsversion')
if settingsversion == 1:
config.set('bitmessagesettings', 'socksproxytype', 'none')
config.set('bitmessagesettings', 'sockshostname', 'localhost')
config.set('bitmessagesettings', 'socksport', '9050')
config.set('bitmessagesettings', 'socksauthentication', 'false')
config.set('bitmessagesettings', 'socksusername', '')
config.set('bitmessagesettings', 'sockspassword', '')
config.set('bitmessagesettings', 'sockslisten', 'false')
config.set('bitmessagesettings', 'keysencrypted', 'false')
config.set('bitmessagesettings', 'messagesencrypted', 'false')
settingsversion = 2
# let class_sqlThread update SQL and continue
elif settingsversion == 4:
config.set(
'bitmessagesettings', 'defaultnoncetrialsperbyte',
str(defaults.networkDefaultProofOfWorkNonceTrialsPerByte))
config.set(
'bitmessagesettings', 'defaultpayloadlengthextrabytes',
str(defaults.networkDefaultPayloadLengthExtraBytes))
settingsversion = 5
if settingsversion == 5:
config.set(
'bitmessagesettings', 'maxacceptablenoncetrialsperbyte', '0')
config.set(
'bitmessagesettings', 'maxacceptablepayloadlengthextrabytes', '0')
settingsversion = 7
if not config.has_option('bitmessagesettings', 'sockslisten'):
config.set('bitmessagesettings', 'sockslisten', 'false')
if not config.has_option('bitmessagesettings', 'userlocale'):
config.set('bitmessagesettings', 'userlocale', 'system')
if not config.has_option('bitmessagesettings', 'sendoutgoingconnections'):
config.set('bitmessagesettings', 'sendoutgoingconnections', 'True')
if not config.has_option('bitmessagesettings', 'useidenticons'):
config.set('bitmessagesettings', 'useidenticons', 'True')
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
# Add settings to support no longer resending messages after
# a certain period of time even if we never get an ack
if settingsversion == 7:
config.set('bitmessagesettings', 'stopresendingafterxdays', '')
config.set('bitmessagesettings', 'stopresendingafterxmonths', '')
settingsversion = 8
# With the change to protocol version 3, reset the user-settable
# difficulties to 1
if settingsversion == 8:
config.set(
'bitmessagesettings', 'defaultnoncetrialsperbyte',
str(defaults.networkDefaultProofOfWorkNonceTrialsPerByte))
config.set(
'bitmessagesettings', 'defaultpayloadlengthextrabytes',
str(defaults.networkDefaultPayloadLengthExtraBytes))
previousTotalDifficulty = int(
config.getint(
'bitmessagesettings', 'maxacceptablenoncetrialsperbyte')
) / 320
previousSmallMessageDifficulty = int(
config.getint(
'bitmessagesettings', 'maxacceptablepayloadlengthextrabytes')
) / 14000
config.set(
'bitmessagesettings', 'maxacceptablenoncetrialsperbyte',
str(previousTotalDifficulty * 1000))
config.set(
'bitmessagesettings', 'maxacceptablepayloadlengthextrabytes',
str(previousSmallMessageDifficulty * 1000))
settingsversion = 9
# Adjust the required POW values for each of this user's addresses
# to conform to protocol v3 norms.
if settingsversion == 9:
for addressInKeysFile in config.addresses():
try:
previousTotalDifficulty = float(
config.getint(
addressInKeysFile, 'noncetrialsperbyte')) / 320
previousSmallMessageDifficulty = float(
config.getint(
addressInKeysFile, 'payloadlengthextrabytes')) / 14000
if previousTotalDifficulty <= 2:
previousTotalDifficulty = 1
if previousSmallMessageDifficulty < 1:
previousSmallMessageDifficulty = 1
config.set(
addressInKeysFile, 'noncetrialsperbyte',
str(int(previousTotalDifficulty * 1000)))
config.set(
addressInKeysFile, 'payloadlengthextrabytes',
str(int(previousSmallMessageDifficulty * 1000)))
except Exception:
continue
config.set('bitmessagesettings', 'maxdownloadrate', '0')
config.set('bitmessagesettings', 'maxuploadrate', '0')
settingsversion = 10
# sanity check
if config.safeGetInt(
'bitmessagesettings', 'maxacceptablenoncetrialsperbyte') == 0:
config.set(
'bitmessagesettings', 'maxacceptablenoncetrialsperbyte',
str(defaults.ridiculousDifficulty *
defaults.networkDefaultProofOfWorkNonceTrialsPerByte)
)
if config.safeGetInt('bitmessagesettings', 'maxacceptablepayloadlengthextrabytes') == 0:
config.set(
'bitmessagesettings', 'maxacceptablepayloadlengthextrabytes',
str(defaults.ridiculousDifficulty *
defaults.networkDefaultPayloadLengthExtraBytes)
)
if not config.has_option('bitmessagesettings', 'onionhostname'):
config.set('bitmessagesettings', 'onionhostname', '')
if not config.has_option('bitmessagesettings', 'onionport'):
config.set('bitmessagesettings', 'onionport', '8444')
if not config.has_option('bitmessagesettings', 'onionbindip'):
config.set('bitmessagesettings', 'onionbindip', '127.0.0.1')
if not config.has_option('bitmessagesettings', 'smtpdeliver'):
config.set('bitmessagesettings', 'smtpdeliver', '')
if not config.has_option(
'bitmessagesettings', 'hidetrayconnectionnotifications'):
config.set(
'bitmessagesettings', 'hidetrayconnectionnotifications', 'false')
if config.safeGetInt('bitmessagesettings', 'maxoutboundconnections') < 1:
config.set('bitmessagesettings', 'maxoutboundconnections', '8')
print('WARNING: your maximum outbound connections must be a number.')
# TTL is now user-specifiable. Let's add an option to save
# whatever the user selects.
if not config.has_option('bitmessagesettings', 'ttl'):
config.set('bitmessagesettings', 'ttl', '367200')
config.set('bitmessagesettings', 'settingsversion', str(settingsversion))
config.save()
def isOurOperatingSystemLimitedToHavingVeryFewHalfOpenConnections():
"""Check for (mainly XP and Vista) limitations"""
try:
if sys.platform[0:3] == "win":
VER_THIS = StrictVersion(platform.version())
return (
StrictVersion("5.1.2600") <= VER_THIS and
StrictVersion("6.0.6000") >= VER_THIS
)
return False
except Exception:
pass