def sendMessage(self, fromAddress, toAddress, subject, message): '''Send a Message to a given Address or Channel Usage: api.sendBroadcast(OwnAddress, TargetAddress, Subject, Message)''' # Hardcoded Encoding Type, no othe supported jet encodingType = 2 status, addressVersionNumber, streamNumber, toRipe = addresses.decodeAddress( toAddress) if status != 'success': with bitmessagemain.shared.printLock: print 'ToAddress Error: %s , %s' % (toAddress, status) return (toAddress, status) status, addressVersionNumber, streamNumber, fromRipe = addresses.decodeAddress( fromAddress) if status != 'success': with bitmessagemain.shared.printLock: print 'fromAddress Error: %s , %s' % (fromAddress, status) return (fromAddress, status) toAddress = addresses.addBMIfNotPresent(toAddress) fromAddress = addresses.addBMIfNotPresent(fromAddress) try: fromAddressEnabled = BMConfigParser().getboolean( fromAddress, 'enabled') except: return (fromAddress, 'fromAddressNotPresentError') if not fromAddressEnabled: return (fromAddress, 'fromAddressDisabledError') stealthLevel = BMConfigParser().safeGetInt('bitmessagesettings', 'ackstealthlevel') ackdata = genAckPayload(streamNumber, stealthLevel) TTL = 4 * 24 * 60 * 60 t = ( '', toAddress, toRipe, fromAddress, subject, message, ackdata, int(time.time()), # sentTime (this won't change) int(time.time()), # lastActionTime 0, 'msgqueued', 0, 'sent', 2, TTL) helper_sent.insert(t) queues.workerQueue.put(('sendmessage', toAddress)) return ackdata.encode('hex')
def validate(self, s, pos): if self.addressObject is None: address = None else: address = str(self.addressObject.text().toUtf8()) if address == "": address = None if self.passPhraseObject is None: passPhrase = "" else: passPhrase = str(self.passPhraseObject.text().toUtf8()) if passPhrase == "": passPhrase = None # no chan name if passPhrase is None: self.setError(_translate("AddressValidator", "Chan name/passphrase needed. You didn't enter a chan name.")) return (QtGui.QValidator.Intermediate, pos) if self.addressMandatory or address is not None: # check if address already exists: if address in getSortedAccounts(): self.setError(_translate("AddressValidator", "Address already present as one of your identities.")) return (QtGui.QValidator.Intermediate, pos) # version too high if decodeAddress(address)[0] == 'versiontoohigh': self.setError(_translate("AddressValidator", "Address too new. Although that Bitmessage address might be valid, its version number is too new for us to handle. Perhaps you need to upgrade Bitmessage.")) return (QtGui.QValidator.Intermediate, pos) # invalid if decodeAddress(address)[0] != 'success': self.setError(_translate("AddressValidator", "The Bitmessage address is not valid.")) return (QtGui.QValidator.Intermediate, pos) # this just disables the OK button without changing the feedback text # but only if triggered by textEdited, not by clicking the Ok button if not self.buttonBox.button(QtGui.QDialogButtonBox.Ok).hasFocus(): self.setError(None) # check through generator if address is None: addressGeneratorQueue.put(('createChan', 4, 1, str_chan + ' ' + str(passPhrase), passPhrase, False)) else: addressGeneratorQueue.put(('joinChan', addBMIfNotPresent(address), str_chan + ' ' + str(passPhrase), passPhrase, False)) if self.buttonBox.button(QtGui.QDialogButtonBox.Ok).hasFocus(): return (self.returnValid(), pos) else: return (QtGui.QValidator.Intermediate, pos)
def send(self): status, addressVersionNumber, streamNumber, ripe = decodeAddress( self.toAddress) ackdata = OpenSSL.rand(32) t = () sqlExecute( '''INSERT INTO sent VALUES (?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)''', '', self.toAddress, ripe, self.fromAddress, self.subject, self.message, ackdata, int(time.time()), # sentTime (this will never change) int(time.time()), # lastActionTime 0, # sleepTill time. This will get set when the POW gets done. 'msgqueued', 0, # retryNumber 'sent', # folder 2, # encodingtype min(shared.config.getint('bitmessagesettings', 'ttl'), 86400 * 2) # not necessary to have a TTL higher than 2 days ) shared.workerQueue.put(('sendmessage', self.toAddress))
def send(self, fromAddress, toAddress, subject, message): """Send a bitmessage""" # pylint: disable=arguments-differ streamNumber, ripe = decodeAddress(toAddress)[2:] stealthLevel = BMConfigParser().safeGetInt('bitmessagesettings', 'ackstealthlevel') ackdata = genAckPayload(streamNumber, stealthLevel) sqlExecute( '''INSERT INTO sent VALUES (?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)''', '', toAddress, ripe, fromAddress, subject, message, ackdata, int(time.time()), # sentTime (this will never change) int(time.time()), # lastActionTime 0, # sleepTill time. This will get set when the POW gets done. 'msgqueued', 0, # retryNumber 'sent', # folder 2, # encodingtype # not necessary to have a TTL higher than 2 days min(BMConfigParser().getint('bitmessagesettings', 'ttl'), 86400 * 2)) queues.workerQueue.put(('sendmessage', toAddress))
def send(self): """Override the send method for gateway accounts""" # pylint: disable=unused-variable status, addressVersionNumber, streamNumber, ripe = decodeAddress( self.toAddress) stealthLevel = BMConfigParser().safeGetInt('bitmessagesettings', 'ackstealthlevel') ackdata = genAckPayload(streamNumber, stealthLevel) sqlExecute( '''INSERT INTO sent VALUES (?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)''', '', self.toAddress, ripe, self.fromAddress, self.subject, self.message, ackdata, int(time.time()), # sentTime (this will never change) int(time.time()), # lastActionTime 0, # sleepTill time. This will get set when the POW gets done. 'msgqueued', 0, # retryNumber 'sent', # folder 2, # encodingtype # not necessary to have a TTL higher than 2 days min(BMConfigParser().getint('bitmessagesettings', 'ttl'), 86400 * 2)) queues.workerQueue.put(('sendmessage', self.toAddress))
def validate_public_keys_with_addresses(self): """ Checks that all the public keys match the addresses. Raises an exception if there is a mismatch. Assumes that len( self.addresses ) == len( self.public_keys ) """ valid_addresses = 0 for address, pk in zip(self.addresses, self.public_keys): if pk is None or pk == (None, None): continue signingKey, encryptionKey = pk _, _, _, address_ripe = decodeAddress(address) ripe_hash = hashlib.new('ripemd160') sha_hash = hashlib.new('sha512') sha_hash.update('\x04' + signingKey + '\x04' + encryptionKey) ripe_hash.update(sha_hash.digest()) if ripe_hash.digest() != address_ripe: raise Exception('Public keys ripe mismatch: %s != %s' % (repr(address_ripe), repr(ripe_hash.digest()))) valid_addresses += 1 log_debug("Validated %d/%d addresses from the public keys" % (valid_addresses, len(self.addresses)))
def sendBroadcast(self,fromAddress,subject,message): '''Send a Broadcast to a given Address Usage: api.sendBroadcast(BmAddress, Subject, Message)''' #Hardcoded Encoding Type, no othe supported jet encodingType = 2 status, addressVersionNumber, streamNumber, toRipe = addresses.decodeAddress(fromAddress) fromAddress = addresses.addBMIfNotPresent(fromAddress) try: fromAddressEnabled = bitmessagemain.shared.config.getboolean(fromAddress, 'enabled') except: return (fromAddress,'fromAddressNotPresentError') if not fromAddressEnabled: return (fromAddress,'fromAddressDisabledError') ackdata = openssl._OpenSSL.rand(32) toAddress = '[Broadcast subscribers]' ripe = '' t = ('', toAddress, ripe, fromAddress, subject, message, ackdata, int( time.time()), 'broadcastqueued', 1, 1, 'sent', 2) helper_sent.insert(t) toLabel = '[Broadcast subscribers]' bitmessagemain.shared.workerQueue.put(('sendbroadcast', '')) return ackdata.encode('hex')
def send(self, fromAddress, toAddress, subject, message): status, addressVersionNumber, streamNumber, ripe = decodeAddress(toAddress) stealthLevel = BMConfigParser().safeGetInt('bitmessagesettings', 'ackstealthlevel') ackdata = genAckPayload(streamNumber, stealthLevel) t = () sqlExecute( '''INSERT INTO sent VALUES (?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)''', '', toAddress, ripe, fromAddress, subject, message, ackdata, int(time.time()), # sentTime (this will never change) int(time.time()), # lastActionTime 0, # sleepTill time. This will get set when the POW gets done. 'msgqueued', 0, # retryNumber 'sent', # folder 2, # encodingtype min(BMConfigParser().getint('bitmessagesettings', 'ttl'), 86400 * 2) # not necessary to have a TTL higher than 2 days ) queues.workerQueue.put(('sendmessage', toAddress))
def _verifyAddress(self, address): status, addressVersionNumber, streamNumber, ripe = addresses.decodeAddress( address) if status != 'success': logger.warn( 'API Error 0007: Could not decode address %s. Status: %s.', address, status) if status == 'checksumfailed': raise APIError('Checksum failed for address: ' + address) if status == 'invalidcharacters': raise APIError('Invalid characters in address: ' + address) if status == 'versiontoohigh': raise APIError( 'Address version number too high (or zero) in address: ' + address) raise APIError('Could not decode address: ' + address + ' : ' + status) if addressVersionNumber < 2 or addressVersionNumber > 4: raise APIError( 'The address version number currently must be 2, 3 or 4. Others aren\'t supported. Check the address.' ) if streamNumber != 1: raise APIError( 'The stream number must be 1. Others aren\'t supported. Check the address.' ) return (status, addressVersionNumber, streamNumber, ripe)
def reloadBroadcastSendersForWhichImWatching(): broadcastSendersForWhichImWatching.clear() MyECSubscriptionCryptorObjects.clear() queryreturn = sqlQuery('SELECT address FROM subscriptions where enabled=1') logger.debug('reloading subscriptions...') for row in queryreturn: address, = row # status _, addressVersionNumber, streamNumber, hash = decodeAddress(address) if addressVersionNumber == 2: broadcastSendersForWhichImWatching[hash] = 0 # Now, for all addresses, even version 2 addresses, # we should create Cryptor objects in a dictionary which we will # use to attempt to decrypt encrypted broadcast messages. if addressVersionNumber <= 3: privEncryptionKey = hashlib.sha512( encodeVarint(addressVersionNumber) + encodeVarint(streamNumber) + hash).digest()[:32] MyECSubscriptionCryptorObjects[hash] = \ highlevelcrypto.makeCryptor(hexlify(privEncryptionKey)) else: doubleHashOfAddressData = hashlib.sha512( hashlib.sha512( encodeVarint(addressVersionNumber) + encodeVarint(streamNumber) + hash).digest()).digest() tag = doubleHashOfAddressData[32:] privEncryptionKey = doubleHashOfAddressData[:32] MyECSubscriptionCryptorObjects[tag] = \ highlevelcrypto.makeCryptor(hexlify(privEncryptionKey))
def possibleNewPubkey(self, address): """ We have inserted a pubkey into our pubkey table which we received from a pubkey, msg, or broadcast message. It might be one that we have been waiting for. Let's check. """ # For address versions <= 3, we wait on a key with the correct address version, # stream number, and RIPE hash. status, addressVersion, streamNumber, ripe = decodeAddress(address) if addressVersion <=3: if address in state.neededPubkeys: del state.neededPubkeys[address] self.sendMessages(address) else: logger.debug('We don\'t need this pub key. We didn\'t ask for it. For address: %s' % address) # For address versions >= 4, we wait on a pubkey with the correct tag. # Let us create the tag from the address and see if we were waiting # for it. elif addressVersion >= 4: tag = hashlib.sha512(hashlib.sha512(encodeVarint( addressVersion) + encodeVarint(streamNumber) + ripe).digest()).digest()[32:] if tag in state.neededPubkeys: del state.neededPubkeys[tag] self.sendMessages(address)
def _verifyAddress(self, address): status, addressVersionNumber, streamNumber, ripe = \ decodeAddress(address) if status != 'success': logger.warning( 'API Error 0007: Could not decode address %s. Status: %s.', address, status) if status == 'checksumfailed': raise APIError(8, 'Checksum failed for address: ' + address) if status == 'invalidcharacters': raise APIError(9, 'Invalid characters in address: ' + address) if status == 'versiontoohigh': raise APIError( 10, 'Address version number too high (or zero) in address: ' + address) if status == 'varintmalformed': raise APIError(26, 'Malformed varint in address: ' + address) raise APIError( 7, 'Could not decode address: %s : %s' % (address, status)) if addressVersionNumber < 2 or addressVersionNumber > 4: raise APIError( 11, 'The address version number currently must be 2, 3 or 4.' ' Others aren\'t supported. Check the address.') if streamNumber != 1: raise APIError( 12, 'The stream number must be 1. Others aren\'t supported.' ' Check the address.') return (status, addressVersionNumber, streamNumber, ripe)
def HandleListAddresses(self, method): data = '{"addresses":[' for addressInKeysFile in BMConfigParser().addresses(): status, addressVersionNumber, streamNumber, hash01 = decodeAddress( addressInKeysFile) if len(data) > 20: data += ',' if BMConfigParser().has_option(addressInKeysFile, 'chan'): chan = BMConfigParser().getboolean(addressInKeysFile, 'chan') else: chan = False label = BMConfigParser().get(addressInKeysFile, 'label') if method == 'listAddresses2': label = base64.b64encode(label) data += json.dumps( { 'label': label, 'address': addressInKeysFile, 'stream': streamNumber, 'enabled': BMConfigParser().getboolean(addressInKeysFile, 'enabled'), 'chan': chan }, indent=4, separators=(',', ': ')) data += ']}' return data
def addressChanged(self, QString): status, a, b, c = decodeAddress(str(QString)) if status == 'missingbm': self.ui.labelAddressCheck.setText(_translate( "MainWindow", "The address should start with ''BM-''")) elif status == 'checksumfailed': self.ui.labelAddressCheck.setText(_translate( "MainWindow", "The address is not typed or copied correctly (the checksum failed).")) elif status == 'versiontoohigh': self.ui.labelAddressCheck.setText(_translate( "MainWindow", "The version number of this address is higher than this software can support. Please upgrade Bitmessage.")) elif status == 'invalidcharacters': self.ui.labelAddressCheck.setText(_translate( "MainWindow", "The address contains invalid characters.")) elif status == 'ripetooshort': self.ui.labelAddressCheck.setText(_translate( "MainWindow", "Some data encoded in the address is too short.")) elif status == 'ripetoolong': self.ui.labelAddressCheck.setText(_translate( "MainWindow", "Some data encoded in the address is too long.")) elif status == 'varintmalformed': self.ui.labelAddressCheck.setText(_translate( "MainWindow", "Some data encoded in the address is malformed.")) elif status == 'success': self.ui.labelAddressCheck.setText( _translate("MainWindow", "Address is valid."))
def HandleSendBroadcast(self, params): if len(params) == 0: raise APIError(0, 'I need parameters!') if len(params) == 3: fromAddress, subject, message = params encodingType = 2 TTL = 4 * 24 * 60 * 60 elif len(params) == 4: fromAddress, subject, message, encodingType = params TTL = 4 * 24 * 60 * 60 elif len(params) == 5: fromAddress, subject, message, encodingType, TTL = params if encodingType not in [2, 3]: raise APIError(6, 'The encoding type must be 2 or 3.') subject = self._decode(subject, "base64") message = self._decode(message, "base64") if len(subject + message) > (2**18 - 500): raise APIError(27, 'Message is too long.') if TTL < 60 * 60: TTL = 60 * 60 if TTL > 28 * 24 * 60 * 60: TTL = 28 * 24 * 60 * 60 fromAddress = addBMIfNotPresent(fromAddress) self._verifyAddress(fromAddress) try: BMConfigParser().getboolean(fromAddress, 'enabled') except: raise APIError( 13, 'could not find your fromAddress in the keys.dat file.') streamNumber = decodeAddress(fromAddress)[2] ackdata = genAckPayload(streamNumber, 0) toAddress = '[Broadcast subscribers]' ripe = '' t = ( '', toAddress, ripe, fromAddress, subject, message, ackdata, int(time.time()), # sentTime (this doesn't change) int(time.time()), # lastActionTime 0, 'broadcastqueued', 0, 'sent', 2, TTL) helper_sent.insert(t) toLabel = '[Broadcast subscribers]' queues.UISignalQueue.put( ('displayNewSentMessage', (toAddress, toLabel, fromAddress, subject, message, ackdata))) queues.workerQueue.put(('sendbroadcast', '')) return hexlify(ackdata)
def listAddresses(self): '''List own Addresses Usage: print api.listAddresses()''' address1 = [] configSections = bitmessagemain.shared.config.sections() for addressInKeysFile in configSections: if addressInKeysFile != 'bitmessagesettings': status, addressVersionNumber, streamNumber, hash = addresses.decodeAddress(addressInKeysFile) address1.append({'label': bitmessagemain.shared.config.get(addressInKeysFile, 'label'), 'address': addressInKeysFile, 'stream':streamNumber, 'enabled': bitmessagemain.shared.config.getboolean(addressInKeysFile, 'enabled')}) return address1
def send(self): fromAddress = "BM-2cXxMHUdyqGESttuTwzQUKCFLZNfVjoon2" toAddress = "BM-2cWF9TNuK5zfgnB6z4F7JJ5KizBRivDevp" message = self.ids.user_input.text subject = 'Test' print("$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$4") print("################################################################") encoding = 3 print("message: ", self.ids.user_input.text) sendMessageToPeople = True if sendMessageToPeople: if toAddress != '': status, addressVersionNumber, streamNumber, ripe = decodeAddress(toAddress) if status == 'success': toAddress = addBMIfNotPresent(toAddress) if addressVersionNumber > 4 or addressVersionNumber <= 1: print("addressVersionNumber > 4 or addressVersionNumber <= 1") if streamNumber > 1 or streamNumber == 0: print("streamNumber > 1 or streamNumber == 0") if statusIconColor == 'red': print("shared.statusIconColor == 'red'") stealthLevel = BMConfigParser().safeGetInt( 'bitmessagesettings', 'ackstealthlevel') ackdata = genAckPayload(streamNumber, stealthLevel) t = () sqlLookup = sqlThread() sqlLookup.daemon = False # DON'T close the main program even if there are threads left. The closeEvent should command this thread to exit gracefully. sqlLookup.start() sqlExecute( '''INSERT INTO sent VALUES (?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)''', '', toAddress, ripe, fromAddress, subject, message, ackdata, int(time.time()), # sentTime (this will never change) int(time.time()), # lastActionTime 0, # sleepTill time. This will get set when the POW gets done. 'msgqueued', 0, # retryNumber 'sent', # folder encoding, # encodingtype BMConfigParser().getint('bitmessagesettings', 'ttl') ) print("sqlExecute successfully #######################") aa = App.get_running_app() aa.Exit()
def sendMessage(toAddress, subject, message): if len(shared.myAddressesByTag) == 0: generateNewAddress() fromAddress = getCurrentAddress() status, addressVersionNumber, streamNumber, toRipe = addresses.decodeAddress(toAddress) ackdata = OpenSSL.rand(32) TTL = 4*24*60*60 t = ('', toAddress, toRipe, fromAddress, subject, message, ackdata, int(time.time()), int(time.time()), 0, 'msgqueued', 0, 'sent', 2, TTL) helper_sent.insert(t) shared.workerQueue.put(('sendmessage', toAddress)) return ackdata
def sendMessage(self, fromAddress, toAddress, subject, message): '''Send a Message to a given Address or Channel Usage: api.sendBroadcast(OwnAddress, TargetAddress, Subject, Message)''' #Hardcoded Encoding Type, no othe supported jet encodingType = 2 status, addressVersionNumber, streamNumber, toRipe = addresses.decodeAddress(toAddress) if status != 'success': with bitmessagemain.shared.printLock: print 'ToAddress Error: %s , %s'%(toAddress,status) return (toAddress,status) status, addressVersionNumber, streamNumber, fromRipe = addresses.decodeAddress(fromAddress) if status != 'success': with bitmessagemain.shared.printLock: print 'fromAddress Error: %s , %s'%(fromAddress,status) return (fromAddress,status) toAddress = addresses.addBMIfNotPresent(toAddress) fromAddress = addresses.addBMIfNotPresent(fromAddress) try: fromAddressEnabled = bitmessagemain.shared.config.getboolean(fromAddress, 'enabled') except: return (fromAddress,'fromAddressNotPresentError') if not fromAddressEnabled: return (fromAddress,'fromAddressDisabledError') ackdata = openssl.OpenSSL.rand(32) t = ('', toAddress, toRipe, fromAddress, subject, message, ackdata, int( time.time()), 'msgqueued', 1, 1, 'sent', 2) helper_sent.insert(t) toLabel = '' queryreturn = bitmessagemain.shared.sqlQuery('''select label from addressbook where address=?''',toAddress) if queryreturn != []: for row in queryreturn: toLabel, = row bitmessagemain.shared.UISignalQueue.put(('displayNewSentMessage', ( toAddress, toLabel, fromAddress, subject, message, ackdata))) bitmessagemain.shared.workerQueue.put(('sendmessage', toAddress)) return ackdata.encode('hex')
def sendMessage(toAddress, subject, message): if len(shared.myAddressesByTag) == 0: generateNewAddress() fromAddress = getCurrentAddress() status, addressVersionNumber, streamNumber, toRipe = addresses.decodeAddress( toAddress) ackdata = OpenSSL.rand(32) TTL = 4 * 24 * 60 * 60 t = ('', toAddress, toRipe, fromAddress, subject, message, ackdata, int(time.time()), int(time.time()), 0, 'msgqueued', 0, 'sent', 2, TTL) helper_sent.insert(t) shared.workerQueue.put(('sendmessage', toAddress)) return ackdata
def HandleDecodeAddress(self, params): # Return a meaningful decoding of an address. if len(params) != 1: raise APIError(0, 'I need 1 parameter!') address, = params status, addressVersion, streamNumber, ripe = decodeAddress(address) return json.dumps( { 'status': status, 'addressVersion': addressVersion, 'streamNumber': streamNumber, 'ripe': base64.b64encode(ripe) }, indent=4, separators=(',', ': '))
def addressChanged(self, QString): status, addressVersion, streamNumber, ripe = decodeAddress( str(QString)) self.valid = status == 'success' if self.valid: self.labelAddressCheck.setText( _translate("MainWindow", "Address is valid.")) self._onSuccess(addressVersion, streamNumber, ripe) elif status == 'missingbm': self.labelAddressCheck.setText(_translate( "MainWindow", # dialog name should be here "The address should start with ''BM-''" )) elif status == 'checksumfailed': self.labelAddressCheck.setText(_translate( "MainWindow", "The address is not typed or copied correctly" " (the checksum failed)." )) elif status == 'versiontoohigh': self.labelAddressCheck.setText(_translate( "MainWindow", "The version number of this address is higher than this" " software can support. Please upgrade Bitmessage." )) elif status == 'invalidcharacters': self.labelAddressCheck.setText(_translate( "MainWindow", "The address contains invalid characters." )) elif status == 'ripetooshort': self.labelAddressCheck.setText(_translate( "MainWindow", "Some data encoded in the address is too short." )) elif status == 'ripetoolong': self.labelAddressCheck.setText(_translate( "MainWindow", "Some data encoded in the address is too long." )) elif status == 'varintmalformed': self.labelAddressCheck.setText(_translate( "MainWindow", "Some data encoded in the address is malformed." ))
def _verifyAddress(self, address): status, addressVersionNumber, streamNumber, ripe = decodeAddress(address) if status != 'success': logger.warn('API Error 0007: Could not decode address %s. Status: %s.', address, status) if status == 'checksumfailed': raise APIError(8, 'Checksum failed for address: ' + address) if status == 'invalidcharacters': raise APIError(9, 'Invalid characters in address: ' + address) if status == 'versiontoohigh': raise APIError(10, 'Address version number too high (or zero) in address: ' + address) raise APIError(7, 'Could not decode address: ' + address + ' : ' + status) if addressVersionNumber < 2 or addressVersionNumber > 4: raise APIError(11, 'The address version number currently must be 2, 3 or 4. Others aren\'t supported. Check the address.') if streamNumber != 1: raise APIError(12, 'The stream number must be 1. Others aren\'t supported. Check the address.') return (status, addressVersionNumber, streamNumber, ripe)
def send(self): """Send message from one address to another.""" fromAddress = self.ids.spinner_id.text # For now we are using static address i.e we are not using recipent field value. toAddress = "BM-2cWyUfBdY2FbgyuCb7abFZ49JYxSzUhNFe" message = self.ids.message.text subject = self.ids.subject.text encoding = 3 print("message: ", self.ids.message.text) sendMessageToPeople = True if sendMessageToPeople: if toAddress != '': status, addressVersionNumber, streamNumber, ripe = decodeAddress( toAddress) if status == 'success': toAddress = addBMIfNotPresent(toAddress) if addressVersionNumber > 4 or addressVersionNumber <= 1: print( "addressVersionNumber > 4 or addressVersionNumber <= 1" ) if streamNumber > 1 or streamNumber == 0: print("streamNumber > 1 or streamNumber == 0") if statusIconColor == 'red': print("shared.statusIconColor == 'red'") stealthLevel = BMConfigParser().safeGetInt( 'bitmessagesettings', 'ackstealthlevel') ackdata = genAckPayload(streamNumber, stealthLevel) t = () sqlExecute( '''INSERT INTO sent VALUES (?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)''', '', toAddress, ripe, fromAddress, subject, message, ackdata, int(time.time()), int(time.time()), 0, 'msgqueued', 0, 'sent', encoding, BMConfigParser().getint('bitmessagesettings', 'ttl')) toLabel = '' queues.workerQueue.put(('sendmessage', toAddress)) print( "sqlExecute successfully ##### ##################") self.ids.message.text = '' self.ids.spinner_id.text = '<select>' self.ids.subject.text = '' self.ids.recipent.text = '' return None
def check_voting_values( self ): """ Check that all provided values are valid """ if len( self.question ) == 0: raise Exception( 'No question provided' ) if len( self.answers ) <= 1: raise Exception( 'At least two answers must be provided' ) if len( self.addresses ) <= 2: raise Exception( 'At least three addresses must be provided' ) invalidAddresses = [a for a in self.addresses if decodeAddress(a)[0] != 'success'] if len( invalidAddresses ) > 0: raise Exception( 'Invalid addresses: %s' % invalidAddresses ) if not VotingData.DISABLE_CHECKING_PUBLIC_KEYS_MATCH_ADDRESSES: self.validate_public_keys_with_addresses()
def accept(self): self.hide() # self.buttonBox.enabled = False if self.radioButtonRandomAddress.isChecked(): if self.radioButtonMostAvailable.isChecked(): streamNumberForAddress = 1 else: # User selected 'Use the same stream as an existing # address.' streamNumberForAddress = decodeAddress( self.comboBoxExisting.currentText())[2] queues.addressGeneratorQueue.put(( 'createRandomAddress', 4, streamNumberForAddress, str(self.newaddresslabel.text().toUtf8()), 1, "", self.checkBoxEighteenByteRipe.isChecked() )) else: if self.lineEditPassphrase.text() != \ self.lineEditPassphraseAgain.text(): QtGui.QMessageBox.about( self, _translate("MainWindow", "Passphrase mismatch"), _translate( "MainWindow", "The passphrase you entered twice doesn\'t" " match. Try again.") ) elif self.lineEditPassphrase.text() == "": QtGui.QMessageBox.about( self, _translate("MainWindow", "Choose a passphrase"), _translate( "MainWindow", "You really do need a passphrase.") ) else: # this will eventually have to be replaced by logic # to determine the most available stream number. streamNumberForAddress = 1 queues.addressGeneratorQueue.put(( 'createDeterministicAddresses', 4, streamNumberForAddress, "unused deterministic address", self.spinBoxNumberOfAddressesToMake.value(), self.lineEditPassphrase.text().toUtf8(), self.checkBoxEighteenByteRipe.isChecked() ))
def addSubscription(self, label, address): '''Add a Subscription Usage: api.addSubscription(label,bmaddressl)''' logger.info('Label: %s Address: %s'%(label, address)) unicode(label, 'utf-8') address = addresses.addBMIfNotPresent(address) status, addressVersionNumber, streamNumber, toRipe = addresses.decodeAddress(address) if status != 'success': raise APIError('Address Error: %s , %s'%(address,status)) # First we must check to see if the address is already in the # subscriptions list. queryreturn = bitmessagemain.shared.sqlQuery('''select * from subscriptions where address=?''',address) if queryreturn != []: raise APIError('AlreadySubscribedError') bitmessagemain.shared.sqlExecute('''INSERT INTO subscriptions VALUES (?,?,?)''',label, address, True) bitmessagemain.shared.reloadBroadcastSendersForWhichImWatching() return True
def reloadMyAddressHashes(): """Reload keys for user's addresses from the config file""" logger.debug('reloading keys from keys.dat file') myECCryptorObjects.clear() myAddressesByHash.clear() myAddressesByTag.clear() # myPrivateKeys.clear() keyfileSecure = checkSensitiveFilePermissions( os.path.join(state.appdata, 'keys.dat')) hasEnabledKeys = False for addressInKeysFile in BMConfigParser().addresses(): isEnabled = BMConfigParser().getboolean(addressInKeysFile, 'enabled') if isEnabled: hasEnabledKeys = True # status addressVersionNumber, streamNumber, hashobj = decodeAddress( addressInKeysFile)[1:] if addressVersionNumber in (2, 3, 4): # Returns a simple 32 bytes of information encoded # in 64 Hex characters, or null if there was an error. privEncryptionKey = hexlify( decodeWalletImportFormat(BMConfigParser().get( addressInKeysFile, 'privencryptionkey'))) # It is 32 bytes encoded as 64 hex characters if len(privEncryptionKey) == 64: myECCryptorObjects[hashobj] = \ highlevelcrypto.makeCryptor(privEncryptionKey) myAddressesByHash[hashobj] = addressInKeysFile tag = hashlib.sha512( hashlib.sha512( encodeVarint(addressVersionNumber) + encodeVarint(streamNumber) + hashobj).digest()).digest()[32:] myAddressesByTag[tag] = addressInKeysFile else: logger.error('Error in reloadMyAddressHashes: Can\'t handle' ' address versions other than 2, 3, or 4.\n') if not keyfileSecure: fixSensitiveFilePermissions(os.path.join(state.appdata, 'keys.dat'), hasEnabledKeys)
def load_public_keys(self): """ Loads all public keys from the list of addresses. Requests those that we don't have. NOTE: This is inefficient in the sense that it reloads all keys every time it is run (and it is run whenever we receive a public key that we need for this election). It would be better to simply reload the missing keys. """ self.public_keys = [] for address in self.addresses: decodedAddress = decodeAddress( address ) if helper_keys.has_pubkey_for( address, decodedAddress ): pubkey_tuple = helper_keys.get_pubkey_for( address, decodedAddress ) pubEncryptionKeyBase256, pubSigningKeyBase256, _, _, _ = pubkey_tuple self.public_keys.append( ( pubSigningKeyBase256, pubEncryptionKeyBase256 ) ) else: self.public_keys.append( ( None, None ) ) log_warn( "Missing pubkey for %s" % address ) self.missing_public_key( address )
def check_voting_values(self): """ Check that all provided values are valid """ if len(self.question) == 0: raise Exception('No question provided') if len(self.answers) <= 1: raise Exception('At least two answers must be provided') if len(self.addresses) <= 2: raise Exception('At least three addresses must be provided') invalidAddresses = [ a for a in self.addresses if decodeAddress(a)[0] != 'success' ] if len(invalidAddresses) > 0: raise Exception('Invalid addresses: %s' % invalidAddresses) if not VotingData.DISABLE_CHECKING_PUBLIC_KEYS_MATCH_ADDRESSES: self.validate_public_keys_with_addresses()
def missing_public_key(self, address ): PUBKEY_REQUEST_WAIT_SECONDS = 60 * 60 * 24 last_request_time = self.settings_get_pubkey_last_request_time( address ) if last_request_time is not None and last_request_time > time.time() - PUBKEY_REQUEST_WAIT_SECONDS: # We requested this pubkey recently, so let's not do it again right now # However, we need to put the tag in neededPubkeys in case the user just restarted the client _, addressVersionNumber, streamNumber, ripe = decodeAddress(address) if addressVersionNumber <= 3: shared.neededPubkeys[ripe] = 0 elif addressVersionNumber >= 4: tag = hashlib.sha512(hashlib.sha512(encodeVarint(addressVersionNumber)+encodeVarint(streamNumber)+ripe).digest()).digest()[32:] # Note that this is the second half of the sha512 hash. if tag not in shared.neededPubkeys: privEncryptionKey = hashlib.sha512(hashlib.sha512(encodeVarint(addressVersionNumber)+encodeVarint(streamNumber)+ripe).digest()).digest()[:32] # Note that this is the first half of the sha512 hash. import highlevelcrypto shared.neededPubkeys[tag] = (address, highlevelcrypto.makeCryptor(privEncryptionKey.encode('hex'))) # We'll need this for when we receive a pubkey reply: it will be encrypted and we'll need to decrypt it. return self.settings_set_pubkey_last_request_time( address, time.time() ) shared.workerQueue.put( ( "requestPubkey", address ) )
def missing_public_key(self, address): PUBKEY_REQUEST_WAIT_SECONDS = 60 * 60 * 24 last_request_time = self.settings_get_pubkey_last_request_time(address) if last_request_time is not None and last_request_time > time.time( ) - PUBKEY_REQUEST_WAIT_SECONDS: # We requested this pubkey recently, so let's not do it again right now # However, we need to put the tag in neededPubkeys in case the user just restarted the client _, addressVersionNumber, streamNumber, ripe = decodeAddress( address) if addressVersionNumber <= 3: shared.neededPubkeys[ripe] = 0 elif addressVersionNumber >= 4: tag = hashlib.sha512( hashlib.sha512( encodeVarint(addressVersionNumber) + encodeVarint(streamNumber) + ripe).digest() ).digest( )[32:] # Note that this is the second half of the sha512 hash. if tag not in shared.neededPubkeys: privEncryptionKey = hashlib.sha512( hashlib.sha512( encodeVarint(addressVersionNumber) + encodeVarint(streamNumber) + ripe).digest() ).digest( )[: 32] # Note that this is the first half of the sha512 hash. import highlevelcrypto shared.neededPubkeys[tag] = ( address, highlevelcrypto.makeCryptor( privEncryptionKey.encode('hex')) ) # We'll need this for when we receive a pubkey reply: it will be encrypted and we'll need to decrypt it. return self.settings_set_pubkey_last_request_time(address, time.time()) shared.workerQueue.put(("requestPubkey", address))
def validate_public_keys_with_addresses(self): """ Checks that all the public keys match the addresses. Raises an exception if there is a mismatch. Assumes that len( self.addresses ) == len( self.public_keys ) """ valid_addresses = 0 for address, pk in zip( self.addresses, self.public_keys ): if pk is None or pk == (None, None): continue signingKey, encryptionKey = pk _, _, _, address_ripe = decodeAddress( address ) ripe_hash = hashlib.new('ripemd160') sha_hash = hashlib.new('sha512') sha_hash.update( '\x04' + signingKey + '\x04' + encryptionKey ) ripe_hash.update( sha_hash.digest() ) if ripe_hash.digest() != address_ripe: raise Exception( 'Public keys ripe mismatch: %s != %s' % ( repr( address_ripe ), repr( ripe_hash.digest() ) ) ) valid_addresses += 1 log_debug( "Validated %d/%d addresses from the public keys" % ( valid_addresses, len( self.addresses ) ) )
def load_public_keys(self): """ Loads all public keys from the list of addresses. Requests those that we don't have. NOTE: This is inefficient in the sense that it reloads all keys every time it is run (and it is run whenever we receive a public key that we need for this election). It would be better to simply reload the missing keys. """ self.public_keys = [] for address in self.addresses: decodedAddress = decodeAddress(address) if helper_keys.has_pubkey_for(address, decodedAddress): pubkey_tuple = helper_keys.get_pubkey_for( address, decodedAddress) pubEncryptionKeyBase256, pubSigningKeyBase256, _, _, _ = pubkey_tuple self.public_keys.append( (pubSigningKeyBase256, pubEncryptionKeyBase256)) else: self.public_keys.append((None, None)) log_warn("Missing pubkey for %s" % address) self.missing_public_key(address)
def send(self): status, addressVersionNumber, streamNumber, ripe = decodeAddress(self.toAddress) ackdata = OpenSSL.rand(32) t = () sqlExecute( '''INSERT INTO sent VALUES (?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)''', '', self.toAddress, ripe, self.fromAddress, self.subject, self.message, ackdata, int(time.time()), # sentTime (this will never change) int(time.time()), # lastActionTime 0, # sleepTill time. This will get set when the POW gets done. 'msgqueued', 0, # retryNumber 'sent', # folder 2, # encodingtype min(shared.config.getint('bitmessagesettings', 'ttl'), 86400 * 2) # not necessary to have a TTL higher than 2 days ) shared.workerQueue.put(('sendmessage', self.toAddress))
def send(self): status, addressVersionNumber, streamNumber, ripe = decodeAddress(self.toAddress) ackdata = OpenSSL.rand(32) t = () sqlExecute( """INSERT INTO sent VALUES (?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)""", "", self.toAddress, ripe, self.fromAddress, self.subject, self.message, ackdata, int(time.time()), # sentTime (this will never change) int(time.time()), # lastActionTime 0, # sleepTill time. This will get set when the POW gets done. "msgqueued", 0, # retryNumber "sent", # folder 2, # encodingtype shared.config.getint("bitmessagesettings", "ttl"), ) shared.workerQueue.put(("sendmessage", self.toAddress))
def decryptAndCheckPubkeyPayload(data, address): """ Version 4 pubkeys are encrypted. This function is run when we already have the address to which we want to try to send a message. The 'data' may come either off of the wire or we might have had it already in our inventory when we tried to send a msg to this particular address. """ try: status, addressVersion, streamNumber, ripe = decodeAddress(address) readPosition = 20 # bypass the nonce, time, and object type embeddedAddressVersion, varintLength = decodeVarint( data[readPosition:readPosition + 10]) readPosition += varintLength embeddedStreamNumber, varintLength = decodeVarint( data[readPosition:readPosition + 10]) readPosition += varintLength storedData = data[ 20: readPosition] # We'll store the address version and stream number (and some more) in the pubkeys table. if addressVersion != embeddedAddressVersion: logger.info( 'Pubkey decryption was UNsuccessful due to address version mismatch.' ) return 'failed' if streamNumber != embeddedStreamNumber: logger.info( 'Pubkey decryption was UNsuccessful due to stream number mismatch.' ) return 'failed' tag = data[readPosition:readPosition + 32] readPosition += 32 signedData = data[ 8: readPosition] # the time through the tag. More data is appended onto signedData below after the decryption. encryptedData = data[readPosition:] # Let us try to decrypt the pubkey toAddress, cryptorObject = state.neededPubkeys[tag] if toAddress != address: logger.critical( 'decryptAndCheckPubkeyPayload failed due to toAddress mismatch. This is very peculiar. toAddress: %s, address %s', toAddress, address) # the only way I can think that this could happen is if someone encodes their address data two different ways. # That sort of address-malleability should have been caught by the UI or API and an error given to the user. return 'failed' try: decryptedData = cryptorObject.decrypt(encryptedData) except: # Someone must have encrypted some data with a different key # but tagged it with a tag for which we are watching. logger.info('Pubkey decryption was unsuccessful.') return 'failed' readPosition = 0 bitfieldBehaviors = decryptedData[readPosition:readPosition + 4] readPosition += 4 publicSigningKey = '\x04' + decryptedData[readPosition:readPosition + 64] readPosition += 64 publicEncryptionKey = '\x04' + decryptedData[ readPosition:readPosition + 64] readPosition += 64 specifiedNonceTrialsPerByte, specifiedNonceTrialsPerByteLength = decodeVarint( decryptedData[readPosition:readPosition + 10]) readPosition += specifiedNonceTrialsPerByteLength specifiedPayloadLengthExtraBytes, specifiedPayloadLengthExtraBytesLength = decodeVarint( decryptedData[readPosition:readPosition + 10]) readPosition += specifiedPayloadLengthExtraBytesLength storedData += decryptedData[:readPosition] signedData += decryptedData[:readPosition] signatureLength, signatureLengthLength = decodeVarint( decryptedData[readPosition:readPosition + 10]) readPosition += signatureLengthLength signature = decryptedData[readPosition:readPosition + signatureLength] if highlevelcrypto.verify(signedData, signature, hexlify(publicSigningKey)): logger.info( 'ECDSA verify passed (within decryptAndCheckPubkeyPayload)') else: logger.info( 'ECDSA verify failed (within decryptAndCheckPubkeyPayload)') return 'failed' sha = hashlib.new('sha512') sha.update(publicSigningKey + publicEncryptionKey) ripeHasher = hashlib.new('ripemd160') ripeHasher.update(sha.digest()) embeddedRipe = ripeHasher.digest() if embeddedRipe != ripe: # Although this pubkey object had the tag were were looking for and was # encrypted with the correct encryption key, it doesn't contain the # correct pubkeys. Someone is either being malicious or using buggy software. logger.info( 'Pubkey decryption was UNsuccessful due to RIPE mismatch.') return 'failed' # Everything checked out. Insert it into the pubkeys table. logger.info( 'within decryptAndCheckPubkeyPayload, addressVersion: %s, streamNumber: %s \n\ ripe %s\n\ publicSigningKey in hex: %s\n\ publicEncryptionKey in hex: %s', addressVersion, streamNumber, hexlify(ripe), hexlify(publicSigningKey), hexlify(publicEncryptionKey)) t = (address, addressVersion, storedData, int(time.time()), 'yes') sqlExecute('''INSERT INTO pubkeys VALUES (?,?,?,?,?)''', *t) return 'successful' except varintDecodeError as e: logger.info( 'Pubkey decryption was UNsuccessful due to a malformed varint.') return 'failed' except Exception as e: logger.critical( 'Pubkey decryption was UNsuccessful because of an unhandled exception! This is definitely a bug! \n%s', traceback.format_exc()) return 'failed'
def run(self): while state.shutdown == 0: queueValue = queues.addressGeneratorQueue.get() nonceTrialsPerByte = 0 payloadLengthExtraBytes = 0 live = True if queueValue[0] == 'createChan': command, addressVersionNumber, streamNumber, label, \ deterministicPassphrase, live = queueValue eighteenByteRipe = False numberOfAddressesToMake = 1 numberOfNullBytesDemandedOnFrontOfRipeHash = 1 elif queueValue[0] == 'joinChan': command, chanAddress, label, deterministicPassphrase, \ live = queueValue eighteenByteRipe = False addressVersionNumber = decodeAddress(chanAddress)[1] streamNumber = decodeAddress(chanAddress)[2] numberOfAddressesToMake = 1 numberOfNullBytesDemandedOnFrontOfRipeHash = 1 elif len(queueValue) == 7: command, addressVersionNumber, streamNumber, label, \ numberOfAddressesToMake, deterministicPassphrase, \ eighteenByteRipe = queueValue try: numberOfNullBytesDemandedOnFrontOfRipeHash = \ BMConfigParser().getint( 'bitmessagesettings', 'numberofnullbytesonaddress' ) except: if eighteenByteRipe: numberOfNullBytesDemandedOnFrontOfRipeHash = 2 else: # the default numberOfNullBytesDemandedOnFrontOfRipeHash = 1 elif len(queueValue) == 9: command, addressVersionNumber, streamNumber, label, \ numberOfAddressesToMake, deterministicPassphrase, \ eighteenByteRipe, nonceTrialsPerByte, \ payloadLengthExtraBytes = queueValue try: numberOfNullBytesDemandedOnFrontOfRipeHash = \ BMConfigParser().getint( 'bitmessagesettings', 'numberofnullbytesonaddress' ) except: if eighteenByteRipe: numberOfNullBytesDemandedOnFrontOfRipeHash = 2 else: # the default numberOfNullBytesDemandedOnFrontOfRipeHash = 1 elif queueValue[0] == 'stopThread': break else: logger.error( 'Programming error: A structure with the wrong number' ' of values was passed into the addressGeneratorQueue.' ' Here is the queueValue: %r\n', queueValue) if addressVersionNumber < 3 or addressVersionNumber > 4: logger.error( 'Program error: For some reason the address generator' ' queue has been given a request to create at least' ' one version %s address which it cannot do.\n', addressVersionNumber) if nonceTrialsPerByte == 0: nonceTrialsPerByte = BMConfigParser().getint( 'bitmessagesettings', 'defaultnoncetrialsperbyte') if nonceTrialsPerByte < \ defaults.networkDefaultProofOfWorkNonceTrialsPerByte: nonceTrialsPerByte = \ defaults.networkDefaultProofOfWorkNonceTrialsPerByte if payloadLengthExtraBytes == 0: payloadLengthExtraBytes = BMConfigParser().getint( 'bitmessagesettings', 'defaultpayloadlengthextrabytes') if payloadLengthExtraBytes < \ defaults.networkDefaultPayloadLengthExtraBytes: payloadLengthExtraBytes = \ defaults.networkDefaultPayloadLengthExtraBytes if command == 'createRandomAddress': queues.UISignalQueue.put( ('updateStatusBar', tr._translate("MainWindow", "Generating one new address"))) # This next section is a little bit strange. We're going # to generate keys over and over until we find one # that starts with either \x00 or \x00\x00. Then when # we pack them into a Bitmessage address, we won't store # the \x00 or \x00\x00 bytes thus making the address shorter. startTime = time.time() numberOfAddressesWeHadToMakeBeforeWeFoundOneWithTheCorrectRipePrefix = 0 potentialPrivSigningKey = OpenSSL.rand(32) potentialPubSigningKey = highlevelcrypto.pointMult( potentialPrivSigningKey) while True: numberOfAddressesWeHadToMakeBeforeWeFoundOneWithTheCorrectRipePrefix += 1 potentialPrivEncryptionKey = OpenSSL.rand(32) potentialPubEncryptionKey = highlevelcrypto.pointMult( potentialPrivEncryptionKey) sha = hashlib.new('sha512') sha.update(potentialPubSigningKey + potentialPubEncryptionKey) ripe = RIPEMD160Hash(sha.digest()).digest() if (ripe[:numberOfNullBytesDemandedOnFrontOfRipeHash] == '\x00' * numberOfNullBytesDemandedOnFrontOfRipeHash): break logger.info('Generated address with ripe digest: %s', hexlify(ripe)) try: logger.info( 'Address generator calculated %s addresses at %s' ' addresses per second before finding one with' ' the correct ripe-prefix.', numberOfAddressesWeHadToMakeBeforeWeFoundOneWithTheCorrectRipePrefix, numberOfAddressesWeHadToMakeBeforeWeFoundOneWithTheCorrectRipePrefix / (time.time() - startTime)) except ZeroDivisionError: # The user must have a pretty fast computer. # time.time() - startTime equaled zero. pass address = encodeAddress(addressVersionNumber, streamNumber, ripe) # An excellent way for us to store our keys # is in Wallet Import Format. Let us convert now. # https://en.bitcoin.it/wiki/Wallet_import_format privSigningKey = '\x80' + potentialPrivSigningKey checksum = hashlib.sha256( hashlib.sha256(privSigningKey).digest()).digest()[0:4] privSigningKeyWIF = arithmetic.changebase( privSigningKey + checksum, 256, 58) privEncryptionKey = '\x80' + potentialPrivEncryptionKey checksum = hashlib.sha256( hashlib.sha256(privEncryptionKey).digest()).digest()[0:4] privEncryptionKeyWIF = arithmetic.changebase( privEncryptionKey + checksum, 256, 58) BMConfigParser().add_section(address) BMConfigParser().set(address, 'label', label) BMConfigParser().set(address, 'enabled', 'true') BMConfigParser().set(address, 'decoy', 'false') BMConfigParser().set(address, 'noncetrialsperbyte', str(nonceTrialsPerByte)) BMConfigParser().set(address, 'payloadlengthextrabytes', str(payloadLengthExtraBytes)) BMConfigParser().set(address, 'privsigningkey', privSigningKeyWIF) BMConfigParser().set(address, 'privencryptionkey', privEncryptionKeyWIF) BMConfigParser().save() # The API and the join and create Chan functionality # both need information back from the address generator. queues.apiAddressGeneratorReturnQueue.put(address) queues.UISignalQueue.put( ('updateStatusBar', tr._translate( "MainWindow", "Done generating address. Doing work necessary" " to broadcast it..."))) queues.UISignalQueue.put( ('writeNewAddressToTable', (label, address, streamNumber))) shared.reloadMyAddressHashes() if addressVersionNumber == 3: queues.workerQueue.put(('sendOutOrStoreMyV3Pubkey', ripe)) elif addressVersionNumber == 4: queues.workerQueue.put( ('sendOutOrStoreMyV4Pubkey', address)) elif command == 'createDeterministicAddresses' \ or command == 'getDeterministicAddress' \ or command == 'createChan' or command == 'joinChan': if len(deterministicPassphrase) == 0: logger.warning( 'You are creating deterministic' ' address(es) using a blank passphrase.' ' Bitmessage will do it but it is rather stupid.') if command == 'createDeterministicAddresses': queues.UISignalQueue.put( ('updateStatusBar', tr._translate("MainWindow", "Generating %1 new addresses.").arg( str(numberOfAddressesToMake)))) signingKeyNonce = 0 encryptionKeyNonce = 1 # We fill out this list no matter what although we only # need it if we end up passing the info to the API. listOfNewAddressesToSendOutThroughTheAPI = [] for _ in range(numberOfAddressesToMake): # This next section is a little bit strange. We're # going to generate keys over and over until we find # one that has a RIPEMD hash that starts with either # \x00 or \x00\x00. Then when we pack them into a # Bitmessage address, we won't store the \x00 or # \x00\x00 bytes thus making the address shorter. startTime = time.time() numberOfAddressesWeHadToMakeBeforeWeFoundOneWithTheCorrectRipePrefix = 0 while True: numberOfAddressesWeHadToMakeBeforeWeFoundOneWithTheCorrectRipePrefix += 1 potentialPrivSigningKey = hashlib.sha512( deterministicPassphrase + encodeVarint(signingKeyNonce)).digest()[:32] potentialPrivEncryptionKey = hashlib.sha512( deterministicPassphrase + encodeVarint(encryptionKeyNonce)).digest()[:32] potentialPubSigningKey = highlevelcrypto.pointMult( potentialPrivSigningKey) potentialPubEncryptionKey = highlevelcrypto.pointMult( potentialPrivEncryptionKey) signingKeyNonce += 2 encryptionKeyNonce += 2 sha = hashlib.new('sha512') sha.update(potentialPubSigningKey + potentialPubEncryptionKey) ripe = RIPEMD160Hash(sha.digest()).digest() if (ripe[:numberOfNullBytesDemandedOnFrontOfRipeHash] == '\x00' * numberOfNullBytesDemandedOnFrontOfRipeHash): break logger.info('Generated address with ripe digest: %s', hexlify(ripe)) try: logger.info( 'Address generator calculated %s addresses' ' at %s addresses per second before finding' ' one with the correct ripe-prefix.', numberOfAddressesWeHadToMakeBeforeWeFoundOneWithTheCorrectRipePrefix, numberOfAddressesWeHadToMakeBeforeWeFoundOneWithTheCorrectRipePrefix / (time.time() - startTime)) except ZeroDivisionError: # The user must have a pretty fast computer. # time.time() - startTime equaled zero. pass address = encodeAddress(addressVersionNumber, streamNumber, ripe) saveAddressToDisk = True # If we are joining an existing chan, let us check # to make sure it matches the provided Bitmessage address if command == 'joinChan': if address != chanAddress: listOfNewAddressesToSendOutThroughTheAPI.append( 'chan name does not match address') saveAddressToDisk = False if command == 'getDeterministicAddress': saveAddressToDisk = False if saveAddressToDisk and live: # An excellent way for us to store our keys is # in Wallet Import Format. Let us convert now. # https://en.bitcoin.it/wiki/Wallet_import_format privSigningKey = '\x80' + potentialPrivSigningKey checksum = hashlib.sha256( hashlib.sha256( privSigningKey).digest()).digest()[0:4] privSigningKeyWIF = arithmetic.changebase( privSigningKey + checksum, 256, 58) privEncryptionKey = '\x80' + \ potentialPrivEncryptionKey checksum = hashlib.sha256( hashlib.sha256( privEncryptionKey).digest()).digest()[0:4] privEncryptionKeyWIF = arithmetic.changebase( privEncryptionKey + checksum, 256, 58) try: BMConfigParser().add_section(address) addressAlreadyExists = False except: addressAlreadyExists = True if addressAlreadyExists: logger.info( '%s already exists. Not adding it again.', address) queues.UISignalQueue.put( ('updateStatusBar', tr._translate( "MainWindow", "%1 is already in 'Your Identities'." " Not adding it again.").arg(address))) else: logger.debug('label: %s', label) BMConfigParser().set(address, 'label', label) BMConfigParser().set(address, 'enabled', 'true') BMConfigParser().set(address, 'decoy', 'false') if command == 'joinChan' \ or command == 'createChan': BMConfigParser().set(address, 'chan', 'true') BMConfigParser().set(address, 'noncetrialsperbyte', str(nonceTrialsPerByte)) BMConfigParser().set(address, 'payloadlengthextrabytes', str(payloadLengthExtraBytes)) BMConfigParser().set(address, 'privSigningKey', privSigningKeyWIF) BMConfigParser().set(address, 'privEncryptionKey', privEncryptionKeyWIF) BMConfigParser().save() queues.UISignalQueue.put( ('writeNewAddressToTable', (label, address, str(streamNumber)))) listOfNewAddressesToSendOutThroughTheAPI.append( address) shared.myECCryptorObjects[ripe] = \ highlevelcrypto.makeCryptor( hexlify(potentialPrivEncryptionKey)) shared.myAddressesByHash[ripe] = address tag = hashlib.sha512( hashlib.sha512( encodeVarint(addressVersionNumber) + encodeVarint(streamNumber) + ripe).digest()).digest()[32:] shared.myAddressesByTag[tag] = address if addressVersionNumber == 3: # If this is a chan address, # the worker thread won't send out # the pubkey over the network. queues.workerQueue.put( ('sendOutOrStoreMyV3Pubkey', ripe)) elif addressVersionNumber == 4: queues.workerQueue.put( ('sendOutOrStoreMyV4Pubkey', address)) queues.UISignalQueue.put( ('updateStatusBar', tr._translate("MainWindow", "Done generating address"))) elif saveAddressToDisk and not live \ and not BMConfigParser().has_section(address): listOfNewAddressesToSendOutThroughTheAPI.append( address) # Done generating addresses. if command == 'createDeterministicAddresses' \ or command == 'joinChan' or command == 'createChan': queues.apiAddressGeneratorReturnQueue.put( listOfNewAddressesToSendOutThroughTheAPI) elif command == 'getDeterministicAddress': queues.apiAddressGeneratorReturnQueue.put(address) else: raise Exception( "Error in the addressGenerator thread. Thread was" + " given a command it could not understand: " + command) queues.addressGeneratorQueue.task_done()
def processmsg(self, data): messageProcessingStartTime = time.time() shared.numberOfMessagesProcessed += 1 queues.UISignalQueue.put(( 'updateNumberOfMessagesProcessed', 'no data')) readPosition = 20 # bypass the nonce, time, and object type msgVersion, msgVersionLength = decodeVarint(data[readPosition:readPosition + 9]) if msgVersion != 1: logger.info('Cannot understand message versions other than one. Ignoring message.') return readPosition += msgVersionLength streamNumberAsClaimedByMsg, streamNumberAsClaimedByMsgLength = decodeVarint( data[readPosition:readPosition + 9]) readPosition += streamNumberAsClaimedByMsgLength inventoryHash = calculateInventoryHash(data) initialDecryptionSuccessful = False # This is not an acknowledgement bound for me. See if it is a message # bound for me by trying to decrypt it with my private keys. for key, cryptorObject in shared.myECCryptorObjects.items(): try: if initialDecryptionSuccessful: # continue decryption attempts to avoid timing attacks cryptorObject.decrypt(data[readPosition:]) else: decryptedData = cryptorObject.decrypt(data[readPosition:]) toRipe = key # This is the RIPE hash of my pubkeys. We need this below to compare to the destination_ripe included in the encrypted data. initialDecryptionSuccessful = True logger.info('EC decryption successful using key associated with ripe hash: %s.' % hexlify(key)) except Exception as err: pass if not initialDecryptionSuccessful: # This is not a message bound for me. logger.info('Length of time program spent failing to decrypt this message: %s seconds.' % (time.time() - messageProcessingStartTime,)) return # This is a message bound for me. toAddress = shared.myAddressesByHash[ toRipe] # Look up my address based on the RIPE hash. readPosition = 0 sendersAddressVersionNumber, sendersAddressVersionNumberLength = decodeVarint( decryptedData[readPosition:readPosition + 10]) readPosition += sendersAddressVersionNumberLength if sendersAddressVersionNumber == 0: logger.info('Cannot understand sendersAddressVersionNumber = 0. Ignoring message.') return if sendersAddressVersionNumber > 4: logger.info('Sender\'s address version number %s not yet supported. Ignoring message.' % sendersAddressVersionNumber) return if len(decryptedData) < 170: logger.info('Length of the unencrypted data is unreasonably short. Sanity check failed. Ignoring message.') return sendersStreamNumber, sendersStreamNumberLength = decodeVarint( decryptedData[readPosition:readPosition + 10]) if sendersStreamNumber == 0: logger.info('sender\'s stream number is 0. Ignoring message.') return readPosition += sendersStreamNumberLength behaviorBitfield = decryptedData[readPosition:readPosition + 4] readPosition += 4 pubSigningKey = '\x04' + decryptedData[ readPosition:readPosition + 64] readPosition += 64 pubEncryptionKey = '\x04' + decryptedData[ readPosition:readPosition + 64] readPosition += 64 if sendersAddressVersionNumber >= 3: requiredAverageProofOfWorkNonceTrialsPerByte, varintLength = decodeVarint( decryptedData[readPosition:readPosition + 10]) readPosition += varintLength logger.info('sender\'s requiredAverageProofOfWorkNonceTrialsPerByte is %s' % requiredAverageProofOfWorkNonceTrialsPerByte) requiredPayloadLengthExtraBytes, varintLength = decodeVarint( decryptedData[readPosition:readPosition + 10]) readPosition += varintLength logger.info('sender\'s requiredPayloadLengthExtraBytes is %s' % requiredPayloadLengthExtraBytes) endOfThePublicKeyPosition = readPosition # needed for when we store the pubkey in our database of pubkeys for later use. if toRipe != decryptedData[readPosition:readPosition + 20]: logger.info('The original sender of this message did not send it to you. Someone is attempting a Surreptitious Forwarding Attack.\n\ See: http://world.std.com/~dtd/sign_encrypt/sign_encrypt7.html \n\ your toRipe: %s\n\ embedded destination toRipe: %s' % (hexlify(toRipe), hexlify(decryptedData[readPosition:readPosition + 20])) ) return readPosition += 20 messageEncodingType, messageEncodingTypeLength = decodeVarint( decryptedData[readPosition:readPosition + 10]) readPosition += messageEncodingTypeLength messageLength, messageLengthLength = decodeVarint( decryptedData[readPosition:readPosition + 10]) readPosition += messageLengthLength message = decryptedData[readPosition:readPosition + messageLength] # print 'First 150 characters of message:', repr(message[:150]) readPosition += messageLength ackLength, ackLengthLength = decodeVarint( decryptedData[readPosition:readPosition + 10]) readPosition += ackLengthLength ackData = decryptedData[readPosition:readPosition + ackLength] readPosition += ackLength positionOfBottomOfAckData = readPosition # needed to mark the end of what is covered by the signature signatureLength, signatureLengthLength = decodeVarint( decryptedData[readPosition:readPosition + 10]) readPosition += signatureLengthLength signature = decryptedData[ readPosition:readPosition + signatureLength] signedData = data[8:20] + encodeVarint(1) + encodeVarint(streamNumberAsClaimedByMsg) + decryptedData[:positionOfBottomOfAckData] if not highlevelcrypto.verify(signedData, signature, hexlify(pubSigningKey)): logger.debug('ECDSA verify failed') return logger.debug('ECDSA verify passed') sigHash = hashlib.sha512(hashlib.sha512(signature).digest()).digest()[32:] # Used to detect and ignore duplicate messages in our inbox # calculate the fromRipe. sha = hashlib.new('sha512') sha.update(pubSigningKey + pubEncryptionKey) ripe = hashlib.new('ripemd160') ripe.update(sha.digest()) fromAddress = encodeAddress( sendersAddressVersionNumber, sendersStreamNumber, ripe.digest()) # Let's store the public key in case we want to reply to this # person. sqlExecute( '''INSERT INTO pubkeys VALUES (?,?,?,?,?)''', fromAddress, sendersAddressVersionNumber, decryptedData[:endOfThePublicKeyPosition], int(time.time()), 'yes') # Check to see whether we happen to be awaiting this # pubkey in order to send a message. If we are, it will do the POW # and send it. self.possibleNewPubkey(fromAddress) # If this message is bound for one of my version 3 addresses (or # higher), then we must check to make sure it meets our demanded # proof of work requirement. If this is bound for one of my chan # addresses then we skip this check; the minimum network POW is # fine. if decodeAddress(toAddress)[1] >= 3 and not BMConfigParser().safeGetBoolean(toAddress, 'chan'): # If the toAddress version number is 3 or higher and not one of my chan addresses: if not shared.isAddressInMyAddressBookSubscriptionsListOrWhitelist(fromAddress): # If I'm not friendly with this person: requiredNonceTrialsPerByte = BMConfigParser().getint( toAddress, 'noncetrialsperbyte') requiredPayloadLengthExtraBytes = BMConfigParser().getint( toAddress, 'payloadlengthextrabytes') if not protocol.isProofOfWorkSufficient(data, requiredNonceTrialsPerByte, requiredPayloadLengthExtraBytes): logger.info('Proof of work in msg is insufficient only because it does not meet our higher requirement.') return blockMessage = False # Gets set to True if the user shouldn't see the message according to black or white lists. if BMConfigParser().get('bitmessagesettings', 'blackwhitelist') == 'black': # If we are using a blacklist queryreturn = sqlQuery( '''SELECT label FROM blacklist where address=? and enabled='1' ''', fromAddress) if queryreturn != []: logger.info('Message ignored because address is in blacklist.') blockMessage = True else: # We're using a whitelist queryreturn = sqlQuery( '''SELECT label FROM whitelist where address=? and enabled='1' ''', fromAddress) if queryreturn == []: logger.info('Message ignored because address not in whitelist.') blockMessage = True toLabel = BMConfigParser().get(toAddress, 'label') if toLabel == '': toLabel = toAddress decodedMessage = helper_msgcoding.MsgDecode(messageEncodingType, message) subject = decodedMessage.subject body = decodedMessage.body # Let us make sure that we haven't already received this message if helper_inbox.isMessageAlreadyInInbox(sigHash): logger.info('This msg is already in our inbox. Ignoring it.') blockMessage = True if not blockMessage: if messageEncodingType != 0: t = (inventoryHash, toAddress, fromAddress, subject, int( time.time()), body, 'inbox', messageEncodingType, 0, sigHash) helper_inbox.insert(t) queues.UISignalQueue.put(('displayNewInboxMessage', ( inventoryHash, toAddress, fromAddress, subject, body))) # If we are behaving as an API then we might need to run an # outside command to let some program know that a new message # has arrived. if BMConfigParser().safeGetBoolean('bitmessagesettings', 'apienabled'): try: apiNotifyPath = BMConfigParser().get( 'bitmessagesettings', 'apinotifypath') except: apiNotifyPath = '' if apiNotifyPath != '': call([apiNotifyPath, "newMessage"]) # Let us now check and see whether our receiving address is # behaving as a mailing list if BMConfigParser().safeGetBoolean(toAddress, 'mailinglist') and messageEncodingType != 0: try: mailingListName = BMConfigParser().get( toAddress, 'mailinglistname') except: mailingListName = '' # Let us send out this message as a broadcast subject = self.addMailingListNameToSubject( subject, mailingListName) # Let us now send this message out as a broadcast message = time.strftime("%a, %Y-%m-%d %H:%M:%S UTC", time.gmtime( )) + ' Message ostensibly from ' + fromAddress + ':\n\n' + body fromAddress = toAddress # The fromAddress for the broadcast that we are about to send is the toAddress (my address) for the msg message we are currently processing. ackdataForBroadcast = OpenSSL.rand( 32) # We don't actually need the ackdataForBroadcast for acknowledgement since this is a broadcast message but we can use it to update the user interface when the POW is done generating. toAddress = '[Broadcast subscribers]' ripe = '' # We really should have a discussion about how to # set the TTL for mailing list broadcasts. This is obviously # hard-coded. TTL = 2*7*24*60*60 # 2 weeks t = ('', toAddress, ripe, fromAddress, subject, message, ackdataForBroadcast, int(time.time()), # sentTime (this doesn't change) int(time.time()), # lastActionTime 0, 'broadcastqueued', 0, 'sent', messageEncodingType, TTL) helper_sent.insert(t) queues.UISignalQueue.put(('displayNewSentMessage', ( toAddress, '[Broadcast subscribers]', fromAddress, subject, message, ackdataForBroadcast))) queues.workerQueue.put(('sendbroadcast', '')) # Don't send ACK if invalid, blacklisted senders, invisible messages, disabled or chan if self.ackDataHasAValidHeader(ackData) and \ not blockMessage and \ messageEncodingType != 0 and \ not BMConfigParser().safeGetBoolean(toAddress, 'dontsendack') and \ not BMConfigParser().safeGetBoolean(toAddress, 'chan'): shared.checkAndShareObjectWithPeers(ackData[24:]) # Display timing data timeRequiredToAttemptToDecryptMessage = time.time( ) - messageProcessingStartTime shared.successfullyDecryptMessageTimings.append( timeRequiredToAttemptToDecryptMessage) sum = 0 for item in shared.successfullyDecryptMessageTimings: sum += item logger.debug('Time to decrypt this message successfully: %s\n\ Average time for all message decryption successes since startup: %s.' % (timeRequiredToAttemptToDecryptMessage, sum / len(shared.successfullyDecryptMessageTimings)) )
def _handle_request(self, method, params): if method == 'helloWorld': (a, b) = params return a + '-' + b elif method == 'add': (a, b) = params return a + b elif method == 'statusBar': message, = params shared.UISignalQueue.put(('updateStatusBar', message)) elif method == 'listAddresses' or method == 'listAddresses2': data = '{"addresses":[' configSections = shared.config.sections() for addressInKeysFile in configSections: if addressInKeysFile != 'bitmessagesettings': status, addressVersionNumber, streamNumber, hash01 = decodeAddress( addressInKeysFile) if len(data) > 20: data += ',' if shared.config.has_option(addressInKeysFile, 'chan'): chan = shared.config.getboolean(addressInKeysFile, 'chan') else: chan = False label = shared.config.get(addressInKeysFile, 'label') if method == 'listAddresses2': label = label.encode('base64') data += json.dumps({'label': label, 'address': addressInKeysFile, 'stream': streamNumber, 'enabled': shared.config.getboolean(addressInKeysFile, 'enabled'), 'chan': chan}, indent=4, separators=(',', ': ')) data += ']}' return data elif method == 'listAddressBookEntries' or method == 'listAddressbook': # the listAddressbook alias should be removed eventually. queryreturn = sqlQuery('''SELECT label, address from addressbook''') data = '{"addresses":[' for row in queryreturn: label, address = row label = shared.fixPotentiallyInvalidUTF8Data(label) if len(data) > 20: data += ',' data += json.dumps({'label':label.encode('base64'), 'address': address}, indent=4, separators=(',', ': ')) data += ']}' return data elif method == 'addAddressBookEntry' or method == 'addAddressbook': # the addAddressbook alias should be deleted eventually. if len(params) != 2: raise APIError(0, "I need label and address") address, label = params label = self._decode(label, "base64") address = addBMIfNotPresent(address) self._verifyAddress(address) queryreturn = sqlQuery("SELECT address FROM addressbook WHERE address=?", address) if queryreturn != []: raise APIError(16, 'You already have this address in your address book.') sqlExecute("INSERT INTO addressbook VALUES(?,?)", label, address) shared.UISignalQueue.put(('rerenderInboxFromLabels','')) shared.UISignalQueue.put(('rerenderSentToLabels','')) shared.UISignalQueue.put(('rerenderAddressBook','')) return "Added address %s to address book" % address elif method == 'deleteAddressBookEntry' or method == 'deleteAddressbook': # The deleteAddressbook alias should be deleted eventually. if len(params) != 1: raise APIError(0, "I need an address") address, = params address = addBMIfNotPresent(address) self._verifyAddress(address) sqlExecute('DELETE FROM addressbook WHERE address=?', address) shared.UISignalQueue.put(('rerenderInboxFromLabels','')) shared.UISignalQueue.put(('rerenderSentToLabels','')) shared.UISignalQueue.put(('rerenderAddressBook','')) return "Deleted address book entry for %s if it existed" % address elif method == 'createRandomAddress': if len(params) == 0: raise APIError(0, 'I need parameters!') elif len(params) == 1: label, = params eighteenByteRipe = False nonceTrialsPerByte = shared.config.get( 'bitmessagesettings', 'defaultnoncetrialsperbyte') payloadLengthExtraBytes = shared.config.get( 'bitmessagesettings', 'defaultpayloadlengthextrabytes') elif len(params) == 2: label, eighteenByteRipe = params nonceTrialsPerByte = shared.config.get( 'bitmessagesettings', 'defaultnoncetrialsperbyte') payloadLengthExtraBytes = shared.config.get( 'bitmessagesettings', 'defaultpayloadlengthextrabytes') elif len(params) == 3: label, eighteenByteRipe, totalDifficulty = params nonceTrialsPerByte = int( shared.networkDefaultProofOfWorkNonceTrialsPerByte * totalDifficulty) payloadLengthExtraBytes = shared.config.get( 'bitmessagesettings', 'defaultpayloadlengthextrabytes') elif len(params) == 4: label, eighteenByteRipe, totalDifficulty, smallMessageDifficulty = params nonceTrialsPerByte = int( shared.networkDefaultProofOfWorkNonceTrialsPerByte * totalDifficulty) payloadLengthExtraBytes = int( shared.networkDefaultPayloadLengthExtraBytes * smallMessageDifficulty) else: raise APIError(0, 'Too many parameters!') label = self._decode(label, "base64") try: unicode(label, 'utf-8') except: raise APIError(17, 'Label is not valid UTF-8 data.') shared.apiAddressGeneratorReturnQueue.queue.clear() streamNumberForAddress = 1 shared.addressGeneratorQueue.put(( 'createRandomAddress', 4, streamNumberForAddress, label, 1, "", eighteenByteRipe, nonceTrialsPerByte, payloadLengthExtraBytes)) return shared.apiAddressGeneratorReturnQueue.get() elif method == 'createDeterministicAddresses': if len(params) == 0: raise APIError(0, 'I need parameters!') elif len(params) == 1: passphrase, = params numberOfAddresses = 1 addressVersionNumber = 0 streamNumber = 0 eighteenByteRipe = False nonceTrialsPerByte = shared.config.get( 'bitmessagesettings', 'defaultnoncetrialsperbyte') payloadLengthExtraBytes = shared.config.get( 'bitmessagesettings', 'defaultpayloadlengthextrabytes') elif len(params) == 2: passphrase, numberOfAddresses = params addressVersionNumber = 0 streamNumber = 0 eighteenByteRipe = False nonceTrialsPerByte = shared.config.get( 'bitmessagesettings', 'defaultnoncetrialsperbyte') payloadLengthExtraBytes = shared.config.get( 'bitmessagesettings', 'defaultpayloadlengthextrabytes') elif len(params) == 3: passphrase, numberOfAddresses, addressVersionNumber = params streamNumber = 0 eighteenByteRipe = False nonceTrialsPerByte = shared.config.get( 'bitmessagesettings', 'defaultnoncetrialsperbyte') payloadLengthExtraBytes = shared.config.get( 'bitmessagesettings', 'defaultpayloadlengthextrabytes') elif len(params) == 4: passphrase, numberOfAddresses, addressVersionNumber, streamNumber = params eighteenByteRipe = False nonceTrialsPerByte = shared.config.get( 'bitmessagesettings', 'defaultnoncetrialsperbyte') payloadLengthExtraBytes = shared.config.get( 'bitmessagesettings', 'defaultpayloadlengthextrabytes') elif len(params) == 5: passphrase, numberOfAddresses, addressVersionNumber, streamNumber, eighteenByteRipe = params nonceTrialsPerByte = shared.config.get( 'bitmessagesettings', 'defaultnoncetrialsperbyte') payloadLengthExtraBytes = shared.config.get( 'bitmessagesettings', 'defaultpayloadlengthextrabytes') elif len(params) == 6: passphrase, numberOfAddresses, addressVersionNumber, streamNumber, eighteenByteRipe, totalDifficulty = params nonceTrialsPerByte = int( shared.networkDefaultProofOfWorkNonceTrialsPerByte * totalDifficulty) payloadLengthExtraBytes = shared.config.get( 'bitmessagesettings', 'defaultpayloadlengthextrabytes') elif len(params) == 7: passphrase, numberOfAddresses, addressVersionNumber, streamNumber, eighteenByteRipe, totalDifficulty, smallMessageDifficulty = params nonceTrialsPerByte = int( shared.networkDefaultProofOfWorkNonceTrialsPerByte * totalDifficulty) payloadLengthExtraBytes = int( shared.networkDefaultPayloadLengthExtraBytes * smallMessageDifficulty) else: raise APIError(0, 'Too many parameters!') if len(passphrase) == 0: raise APIError(1, 'The specified passphrase is blank.') if not isinstance(eighteenByteRipe, bool): raise APIError(23, 'Bool expected in eighteenByteRipe, saw %s instead' % type(eighteenByteRipe)) passphrase = self._decode(passphrase, "base64") if addressVersionNumber == 0: # 0 means "just use the proper addressVersionNumber" addressVersionNumber = 4 if addressVersionNumber != 3 and addressVersionNumber != 4: raise APIError(2,'The address version number currently must be 3, 4, or 0 (which means auto-select). ' + addressVersionNumber + ' isn\'t supported.') if streamNumber == 0: # 0 means "just use the most available stream" streamNumber = 1 if streamNumber != 1: raise APIError(3,'The stream number must be 1 (or 0 which means auto-select). Others aren\'t supported.') if numberOfAddresses == 0: raise APIError(4, 'Why would you ask me to generate 0 addresses for you?') if numberOfAddresses > 999: raise APIError(5, 'You have (accidentally?) specified too many addresses to make. Maximum 999. This check only exists to prevent mischief; if you really want to create more addresses than this, contact the Bitmessage developers and we can modify the check or you can do it yourself by searching the source code for this message.') shared.apiAddressGeneratorReturnQueue.queue.clear() logger.debug('Requesting that the addressGenerator create %s addresses.', numberOfAddresses) shared.addressGeneratorQueue.put( ('createDeterministicAddresses', addressVersionNumber, streamNumber, 'unused API address', numberOfAddresses, passphrase, eighteenByteRipe, nonceTrialsPerByte, payloadLengthExtraBytes)) data = '{"addresses":[' queueReturn = shared.apiAddressGeneratorReturnQueue.get() for item in queueReturn: if len(data) > 20: data += ',' data += "\"" + item + "\"" data += ']}' return data elif method == 'getDeterministicAddress': if len(params) != 3: raise APIError(0, 'I need exactly 3 parameters.') passphrase, addressVersionNumber, streamNumber = params numberOfAddresses = 1 eighteenByteRipe = False if len(passphrase) == 0: raise APIError(1, 'The specified passphrase is blank.') passphrase = self._decode(passphrase, "base64") if addressVersionNumber != 3 and addressVersionNumber != 4: raise APIError(2, 'The address version number currently must be 3 or 4. ' + addressVersionNumber + ' isn\'t supported.') if streamNumber != 1: raise APIError(3, ' The stream number must be 1. Others aren\'t supported.') shared.apiAddressGeneratorReturnQueue.queue.clear() logger.debug('Requesting that the addressGenerator create %s addresses.', numberOfAddresses) shared.addressGeneratorQueue.put( ('getDeterministicAddress', addressVersionNumber, streamNumber, 'unused API address', numberOfAddresses, passphrase, eighteenByteRipe)) return shared.apiAddressGeneratorReturnQueue.get() elif method == 'createChan': if len(params) == 0: raise APIError(0, 'I need parameters.') elif len(params) == 1: passphrase, = params passphrase = self._decode(passphrase, "base64") if len(passphrase) == 0: raise APIError(1, 'The specified passphrase is blank.') # It would be nice to make the label the passphrase but it is # possible that the passphrase contains non-utf-8 characters. try: unicode(passphrase, 'utf-8') label = str_chan + ' ' + passphrase except: label = str_chan + ' ' + repr(passphrase) addressVersionNumber = 4 streamNumber = 1 shared.apiAddressGeneratorReturnQueue.queue.clear() logger.debug('Requesting that the addressGenerator create chan %s.', passphrase) shared.addressGeneratorQueue.put(('createChan', addressVersionNumber, streamNumber, label, passphrase)) queueReturn = shared.apiAddressGeneratorReturnQueue.get() if len(queueReturn) == 0: raise APIError(24, 'Chan address is already present.') address = queueReturn[0] return address elif method == 'joinChan': if len(params) < 2: raise APIError(0, 'I need two parameters.') elif len(params) == 2: passphrase, suppliedAddress= params passphrase = self._decode(passphrase, "base64") if len(passphrase) == 0: raise APIError(1, 'The specified passphrase is blank.') # It would be nice to make the label the passphrase but it is # possible that the passphrase contains non-utf-8 characters. try: unicode(passphrase, 'utf-8') label = str_chan + ' ' + passphrase except: label = str_chan + ' ' + repr(passphrase) status, addressVersionNumber, streamNumber, toRipe = self._verifyAddress(suppliedAddress) suppliedAddress = addBMIfNotPresent(suppliedAddress) shared.apiAddressGeneratorReturnQueue.queue.clear() shared.addressGeneratorQueue.put(('joinChan', suppliedAddress, label, passphrase)) addressGeneratorReturnValue = shared.apiAddressGeneratorReturnQueue.get() if addressGeneratorReturnValue == 'chan name does not match address': raise APIError(18, 'Chan name does not match address.') if len(addressGeneratorReturnValue) == 0: raise APIError(24, 'Chan address is already present.') #TODO: this variable is not used to anything createdAddress = addressGeneratorReturnValue[0] # in case we ever want it for anything. return "success" elif method == 'leaveChan': if len(params) == 0: raise APIError(0, 'I need parameters.') elif len(params) == 1: address, = params status, addressVersionNumber, streamNumber, toRipe = self._verifyAddress(address) address = addBMIfNotPresent(address) if not shared.config.has_section(address): raise APIError(13, 'Could not find this address in your keys.dat file.') if not shared.safeConfigGetBoolean(address, 'chan'): raise APIError(25, 'Specified address is not a chan address. Use deleteAddress API call instead.') shared.config.remove_section(address) with open(shared.appdata + 'keys.dat', 'wb') as configfile: shared.config.write(configfile) return 'success' elif method == 'deleteAddress': if len(params) == 0: raise APIError(0, 'I need parameters.') elif len(params) == 1: address, = params status, addressVersionNumber, streamNumber, toRipe = self._verifyAddress(address) address = addBMIfNotPresent(address) if not shared.config.has_section(address): raise APIError(13, 'Could not find this address in your keys.dat file.') shared.config.remove_section(address) with open(shared.appdata + 'keys.dat', 'wb') as configfile: shared.config.write(configfile) shared.UISignalQueue.put(('rerenderInboxFromLabels','')) shared.UISignalQueue.put(('rerenderSentToLabels','')) shared.reloadMyAddressHashes() return 'success' elif method == 'getAllInboxMessages': queryreturn = sqlQuery( '''SELECT msgid, toaddress, fromaddress, subject, received, message, encodingtype, read FROM inbox where folder='inbox' ORDER BY received''') data = '{"inboxMessages":[' for row in queryreturn: msgid, toAddress, fromAddress, subject, received, message, encodingtype, read = row subject = shared.fixPotentiallyInvalidUTF8Data(subject) message = shared.fixPotentiallyInvalidUTF8Data(message) if len(data) > 25: data += ',' data += json.dumps({'msgid': msgid.encode('hex'), 'toAddress': toAddress, 'fromAddress': fromAddress, 'subject': subject.encode( 'base64'), 'message': message.encode('base64'), 'encodingType': encodingtype, 'receivedTime': received, 'read': read}, indent=4, separators=(',', ': ')) data += ']}' return data elif method == 'getAllInboxMessageIds' or method == 'getAllInboxMessageIDs': queryreturn = sqlQuery( '''SELECT msgid FROM inbox where folder='inbox' ORDER BY received''') data = '{"inboxMessageIds":[' for row in queryreturn: msgid = row[0] if len(data) > 25: data += ',' data += json.dumps({'msgid': msgid.encode('hex')}, indent=4, separators=(',', ': ')) data += ']}' return data elif method == 'getInboxMessageById' or method == 'getInboxMessageByID': if len(params) == 0: raise APIError(0, 'I need parameters!') elif len(params) == 1: msgid = self._decode(params[0], "hex") elif len(params) >= 2: msgid = self._decode(params[0], "hex") readStatus = params[1] if not isinstance(readStatus, bool): raise APIError(23, 'Bool expected in readStatus, saw %s instead.' % type(readStatus)) queryreturn = sqlQuery('''SELECT read FROM inbox WHERE msgid=?''', msgid) # UPDATE is slow, only update if status is different if queryreturn != [] and (queryreturn[0][0] == 1) != readStatus: sqlExecute('''UPDATE inbox set read = ? WHERE msgid=?''', readStatus, msgid) shared.UISignalQueue.put(('changedInboxUnread', None)) queryreturn = sqlQuery('''SELECT msgid, toaddress, fromaddress, subject, received, message, encodingtype, read FROM inbox WHERE msgid=?''', msgid) data = '{"inboxMessage":[' for row in queryreturn: msgid, toAddress, fromAddress, subject, received, message, encodingtype, read = row subject = shared.fixPotentiallyInvalidUTF8Data(subject) message = shared.fixPotentiallyInvalidUTF8Data(message) data += json.dumps({'msgid':msgid.encode('hex'), 'toAddress':toAddress, 'fromAddress':fromAddress, 'subject':subject.encode('base64'), 'message':message.encode('base64'), 'encodingType':encodingtype, 'receivedTime':received, 'read': read}, indent=4, separators=(',', ': ')) data += ']}' return data elif method == 'getAllSentMessages': queryreturn = sqlQuery('''SELECT msgid, toaddress, fromaddress, subject, lastactiontime, message, encodingtype, status, ackdata FROM sent where folder='sent' ORDER BY lastactiontime''') data = '{"sentMessages":[' for row in queryreturn: msgid, toAddress, fromAddress, subject, lastactiontime, message, encodingtype, status, ackdata = row subject = shared.fixPotentiallyInvalidUTF8Data(subject) message = shared.fixPotentiallyInvalidUTF8Data(message) if len(data) > 25: data += ',' data += json.dumps({'msgid':msgid.encode('hex'), 'toAddress':toAddress, 'fromAddress':fromAddress, 'subject':subject.encode('base64'), 'message':message.encode('base64'), 'encodingType':encodingtype, 'lastActionTime':lastactiontime, 'status':status, 'ackData':ackdata.encode('hex')}, indent=4, separators=(',', ': ')) data += ']}' return data elif method == 'getAllSentMessageIds' or method == 'getAllSentMessageIDs': queryreturn = sqlQuery('''SELECT msgid FROM sent where folder='sent' ORDER BY lastactiontime''') data = '{"sentMessageIds":[' for row in queryreturn: msgid = row[0] if len(data) > 25: data += ',' data += json.dumps({'msgid':msgid.encode('hex')}, indent=4, separators=(',', ': ')) data += ']}' return data elif method == 'getInboxMessagesByReceiver' or method == 'getInboxMessagesByAddress': #after some time getInboxMessagesByAddress should be removed if len(params) == 0: raise APIError(0, 'I need parameters!') toAddress = params[0] queryreturn = sqlQuery('''SELECT msgid, toaddress, fromaddress, subject, received, message, encodingtype FROM inbox WHERE folder='inbox' AND toAddress=?''', toAddress) data = '{"inboxMessages":[' for row in queryreturn: msgid, toAddress, fromAddress, subject, received, message, encodingtype = row subject = shared.fixPotentiallyInvalidUTF8Data(subject) message = shared.fixPotentiallyInvalidUTF8Data(message) if len(data) > 25: data += ',' data += json.dumps({'msgid':msgid.encode('hex'), 'toAddress':toAddress, 'fromAddress':fromAddress, 'subject':subject.encode('base64'), 'message':message.encode('base64'), 'encodingType':encodingtype, 'receivedTime':received}, indent=4, separators=(',', ': ')) data += ']}' return data elif method == 'getSentMessageById' or method == 'getSentMessageByID': if len(params) == 0: raise APIError(0, 'I need parameters!') msgid = self._decode(params[0], "hex") queryreturn = sqlQuery('''SELECT msgid, toaddress, fromaddress, subject, lastactiontime, message, encodingtype, status, ackdata FROM sent WHERE msgid=?''', msgid) data = '{"sentMessage":[' for row in queryreturn: msgid, toAddress, fromAddress, subject, lastactiontime, message, encodingtype, status, ackdata = row subject = shared.fixPotentiallyInvalidUTF8Data(subject) message = shared.fixPotentiallyInvalidUTF8Data(message) data += json.dumps({'msgid':msgid.encode('hex'), 'toAddress':toAddress, 'fromAddress':fromAddress, 'subject':subject.encode('base64'), 'message':message.encode('base64'), 'encodingType':encodingtype, 'lastActionTime':lastactiontime, 'status':status, 'ackData':ackdata.encode('hex')}, indent=4, separators=(',', ': ')) data += ']}' return data elif method == 'getSentMessagesByAddress' or method == 'getSentMessagesBySender': if len(params) == 0: raise APIError(0, 'I need parameters!') fromAddress = params[0] queryreturn = sqlQuery('''SELECT msgid, toaddress, fromaddress, subject, lastactiontime, message, encodingtype, status, ackdata FROM sent WHERE folder='sent' AND fromAddress=? ORDER BY lastactiontime''', fromAddress) data = '{"sentMessages":[' for row in queryreturn: msgid, toAddress, fromAddress, subject, lastactiontime, message, encodingtype, status, ackdata = row subject = shared.fixPotentiallyInvalidUTF8Data(subject) message = shared.fixPotentiallyInvalidUTF8Data(message) if len(data) > 25: data += ',' data += json.dumps({'msgid':msgid.encode('hex'), 'toAddress':toAddress, 'fromAddress':fromAddress, 'subject':subject.encode('base64'), 'message':message.encode('base64'), 'encodingType':encodingtype, 'lastActionTime':lastactiontime, 'status':status, 'ackData':ackdata.encode('hex')}, indent=4, separators=(',', ': ')) data += ']}' return data elif method == 'getSentMessageByAckData': if len(params) == 0: raise APIError(0, 'I need parameters!') ackData = self._decode(params[0], "hex") queryreturn = sqlQuery('''SELECT msgid, toaddress, fromaddress, subject, lastactiontime, message, encodingtype, status, ackdata FROM sent WHERE ackdata=?''', ackData) data = '{"sentMessage":[' for row in queryreturn: msgid, toAddress, fromAddress, subject, lastactiontime, message, encodingtype, status, ackdata = row subject = shared.fixPotentiallyInvalidUTF8Data(subject) message = shared.fixPotentiallyInvalidUTF8Data(message) data += json.dumps({'msgid':msgid.encode('hex'), 'toAddress':toAddress, 'fromAddress':fromAddress, 'subject':subject.encode('base64'), 'message':message.encode('base64'), 'encodingType':encodingtype, 'lastActionTime':lastactiontime, 'status':status, 'ackData':ackdata.encode('hex')}, indent=4, separators=(',', ': ')) data += ']}' return data elif method == 'trashMessage': if len(params) == 0: raise APIError(0, 'I need parameters!') msgid = self._decode(params[0], "hex") # Trash if in inbox table helper_inbox.trash(msgid) # Trash if in sent table sqlExecute('''UPDATE sent SET folder='trash' WHERE msgid=?''', msgid) return 'Trashed message (assuming message existed).' elif method == 'trashInboxMessage': if len(params) == 0: raise APIError(0, 'I need parameters!') msgid = self._decode(params[0], "hex") helper_inbox.trash(msgid) return 'Trashed inbox message (assuming message existed).' elif method == 'trashSentMessage': if len(params) == 0: raise APIError(0, 'I need parameters!') msgid = self._decode(params[0], "hex") sqlExecute('''UPDATE sent SET folder='trash' WHERE msgid=?''', msgid) return 'Trashed sent message (assuming message existed).' elif method == 'trashSentMessageByAckData': # This API method should only be used when msgid is not available if len(params) == 0: raise APIError(0, 'I need parameters!') ackdata = self._decode(params[0], "hex") sqlExecute('''UPDATE sent SET folder='trash' WHERE ackdata=?''', ackdata) return 'Trashed sent message (assuming message existed).' elif method == 'sendMessage': if len(params) == 0: raise APIError(0, 'I need parameters!') elif len(params) == 4: toAddress, fromAddress, subject, message = params encodingType = 2 elif len(params) == 5: toAddress, fromAddress, subject, message, encodingType = params if encodingType != 2: raise APIError(6, 'The encoding type must be 2 because that is the only one this program currently supports.') subject = self._decode(subject, "base64") message = self._decode(message, "base64") toAddress = addBMIfNotPresent(toAddress) fromAddress = addBMIfNotPresent(fromAddress) status, addressVersionNumber, streamNumber, toRipe = self._verifyAddress(toAddress) self._verifyAddress(fromAddress) try: fromAddressEnabled = shared.config.getboolean( fromAddress, 'enabled') except: raise APIError(13, 'Could not find your fromAddress in the keys.dat file.') if not fromAddressEnabled: raise APIError(14, 'Your fromAddress is disabled. Cannot send.') ackdata = OpenSSL.rand(32) t = ('', toAddress, toRipe, fromAddress, subject, message, ackdata, int( time.time()), 'msgqueued', 1, 1, 'sent', 2) helper_sent.insert(t) toLabel = '' queryreturn = sqlQuery('''select label from addressbook where address=?''', toAddress) if queryreturn != []: for row in queryreturn: toLabel, = row # apiSignalQueue.put(('displayNewSentMessage',(toAddress,toLabel,fromAddress,subject,message,ackdata))) shared.UISignalQueue.put(('displayNewSentMessage', ( toAddress, toLabel, fromAddress, subject, message, ackdata))) shared.workerQueue.put(('sendmessage', toAddress)) return ackdata.encode('hex') elif method == 'sendBroadcast': if len(params) == 0: raise APIError(0, 'I need parameters!') if len(params) == 3: fromAddress, subject, message = params encodingType = 2 elif len(params) == 4: fromAddress, subject, message, encodingType = params if encodingType != 2: raise APIError(6, 'The encoding type must be 2 because that is the only one this program currently supports.') subject = self._decode(subject, "base64") message = self._decode(message, "base64") fromAddress = addBMIfNotPresent(fromAddress) self._verifyAddress(fromAddress) try: fromAddressEnabled = shared.config.getboolean( fromAddress, 'enabled') except: raise APIError(13, 'could not find your fromAddress in the keys.dat file.') ackdata = OpenSSL.rand(32) toAddress = '[Broadcast subscribers]' ripe = '' t = ('', toAddress, ripe, fromAddress, subject, message, ackdata, int( time.time()), 'broadcastqueued', 1, 1, 'sent', 2) helper_sent.insert(t) toLabel = '[Broadcast subscribers]' shared.UISignalQueue.put(('displayNewSentMessage', ( toAddress, toLabel, fromAddress, subject, message, ackdata))) shared.workerQueue.put(('sendbroadcast', '')) return ackdata.encode('hex') elif method == 'getStatus': if len(params) != 1: raise APIError(0, 'I need one parameter!') ackdata, = params if len(ackdata) != 64: raise APIError(15, 'The length of ackData should be 32 bytes (encoded in hex thus 64 characters).') ackdata = self._decode(ackdata, "hex") queryreturn = sqlQuery( '''SELECT status FROM sent where ackdata=?''', ackdata) if queryreturn == []: return 'notfound' for row in queryreturn: status, = row return status elif method == 'addSubscription': if len(params) == 0: raise APIError(0, 'I need parameters!') if len(params) == 1: address, = params label = '' if len(params) == 2: address, label = params label = self._decode(label, "base64") try: unicode(label, 'utf-8') except: raise APIError(17, 'Label is not valid UTF-8 data.') if len(params) > 2: raise APIError(0, 'I need either 1 or 2 parameters!') address = addBMIfNotPresent(address) self._verifyAddress(address) # First we must check to see if the address is already in the # subscriptions list. queryreturn = sqlQuery('''select * from subscriptions where address=?''', address) if queryreturn != []: raise APIError(16, 'You are already subscribed to that address.') sqlExecute('''INSERT INTO subscriptions VALUES (?,?,?)''',label, address, True) shared.reloadBroadcastSendersForWhichImWatching() shared.UISignalQueue.put(('rerenderInboxFromLabels', '')) shared.UISignalQueue.put(('rerenderSubscriptions', '')) return 'Added subscription.' elif method == 'deleteSubscription': if len(params) != 1: raise APIError(0, 'I need 1 parameter!') address, = params address = addBMIfNotPresent(address) sqlExecute('''DELETE FROM subscriptions WHERE address=?''', address) shared.reloadBroadcastSendersForWhichImWatching() shared.UISignalQueue.put(('rerenderInboxFromLabels', '')) shared.UISignalQueue.put(('rerenderSubscriptions', '')) return 'Deleted subscription if it existed.' elif method == 'listSubscriptions': queryreturn = sqlQuery('''SELECT label, address, enabled FROM subscriptions''') data = '{"subscriptions":[' for row in queryreturn: label, address, enabled = row label = shared.fixPotentiallyInvalidUTF8Data(label) if len(data) > 20: data += ',' data += json.dumps({'label':label.encode('base64'), 'address': address, 'enabled': enabled == 1}, indent=4, separators=(',',': ')) data += ']}' return data elif method == 'disseminatePreEncryptedMsg': # The device issuing this command to PyBitmessage supplies a msg object that has # already been encrypted but which still needs the POW to be done. PyBitmessage # accepts this msg object and sends it out to the rest of the Bitmessage network # as if it had generated the message itself. Please do not yet add this to the # api doc. if len(params) != 3: raise APIError(0, 'I need 3 parameter!') encryptedPayload, requiredAverageProofOfWorkNonceTrialsPerByte, requiredPayloadLengthExtraBytes = params encryptedPayload = self._decode(encryptedPayload, "hex") # Let us do the POW and attach it to the front target = 2**64 / ((len(encryptedPayload)+requiredPayloadLengthExtraBytes+8) * requiredAverageProofOfWorkNonceTrialsPerByte) with shared.printLock: print '(For msg message via API) Doing proof of work. Total required difficulty:', float(requiredAverageProofOfWorkNonceTrialsPerByte) / shared.networkDefaultProofOfWorkNonceTrialsPerByte, 'Required small message difficulty:', float(requiredPayloadLengthExtraBytes) / shared.networkDefaultPayloadLengthExtraBytes powStartTime = time.time() initialHash = hashlib.sha512(encryptedPayload).digest() trialValue, nonce = proofofwork.run(target, initialHash) with shared.printLock: print '(For msg message via API) Found proof of work', trialValue, 'Nonce:', nonce try: print 'POW took', int(time.time() - powStartTime), 'seconds.', nonce / (time.time() - powStartTime), 'nonce trials per second.' except: pass encryptedPayload = pack('>Q', nonce) + encryptedPayload toStreamNumber = decodeVarint(encryptedPayload[16:26])[0] inventoryHash = calculateInventoryHash(encryptedPayload) objectType = 'msg' shared.inventory[inventoryHash] = ( objectType, toStreamNumber, encryptedPayload, int(time.time()),'') shared.inventorySets[toStreamNumber].add(inventoryHash) with shared.printLock: print 'Broadcasting inv for msg(API disseminatePreEncryptedMsg command):', inventoryHash.encode('hex') shared.broadcastToSendDataQueues(( toStreamNumber, 'advertiseobject', inventoryHash)) elif method == 'disseminatePubkey': # The device issuing this command to PyBitmessage supplies a pubkey object to be # disseminated to the rest of the Bitmessage network. PyBitmessage accepts this # pubkey object and sends it out to the rest of the Bitmessage network as if it # had generated the pubkey object itself. Please do not yet add this to the api # doc. if len(params) != 1: raise APIError(0, 'I need 1 parameter!') payload, = params payload = self._decode(payload, "hex") # Let us do the POW target = 2 ** 64 / ((len(payload) + shared.networkDefaultPayloadLengthExtraBytes + 8) * shared.networkDefaultProofOfWorkNonceTrialsPerByte) print '(For pubkey message via API) Doing proof of work...' initialHash = hashlib.sha512(payload).digest() trialValue, nonce = proofofwork.run(target, initialHash) print '(For pubkey message via API) Found proof of work', trialValue, 'Nonce:', nonce payload = pack('>Q', nonce) + payload pubkeyReadPosition = 8 # bypass the nonce if payload[pubkeyReadPosition:pubkeyReadPosition+4] == '\x00\x00\x00\x00': # if this pubkey uses 8 byte time pubkeyReadPosition += 8 else: pubkeyReadPosition += 4 addressVersion, addressVersionLength = decodeVarint(payload[pubkeyReadPosition:pubkeyReadPosition+10]) pubkeyReadPosition += addressVersionLength pubkeyStreamNumber = decodeVarint(payload[pubkeyReadPosition:pubkeyReadPosition+10])[0] inventoryHash = calculateInventoryHash(payload) objectType = 'pubkey' #todo: support v4 pubkeys shared.inventory[inventoryHash] = ( objectType, pubkeyStreamNumber, payload, int(time.time()),'') shared.inventorySets[pubkeyStreamNumber].add(inventoryHash) with shared.printLock: print 'broadcasting inv within API command disseminatePubkey with hash:', inventoryHash.encode('hex') shared.broadcastToSendDataQueues(( streamNumber, 'advertiseobject', inventoryHash)) elif method == 'getMessageDataByDestinationHash' or method == 'getMessageDataByDestinationTag': # Method will eventually be used by a particular Android app to # select relevant messages. Do not yet add this to the api # doc. if len(params) != 1: raise APIError(0, 'I need 1 parameter!') requestedHash, = params if len(requestedHash) != 32: raise APIError(19, 'The length of hash should be 32 bytes (encoded in hex thus 64 characters).') requestedHash = self._decode(requestedHash, "hex") # This is not a particularly commonly used API function. Before we # use it we'll need to fill out a field in our inventory database # which is blank by default (first20bytesofencryptedmessage). queryreturn = sqlQuery( '''SELECT hash, payload FROM inventory WHERE tag = '' and objecttype = 'msg' ; ''') with SqlBulkExecute() as sql: for row in queryreturn: hash01, payload = row readPosition = 16 # Nonce length + time length readPosition += decodeVarint(payload[readPosition:readPosition+10])[1] # Stream Number length t = (payload[readPosition:readPosition+32],hash01) sql.execute('''UPDATE inventory SET tag=? WHERE hash=?; ''', *t) queryreturn = sqlQuery('''SELECT payload FROM inventory WHERE tag = ?''', requestedHash) data = '{"receivedMessageDatas":[' for row in queryreturn: payload, = row if len(data) > 25: data += ',' data += json.dumps({'data':payload.encode('hex')}, indent=4, separators=(',', ': ')) data += ']}' return data elif method == 'getPubkeyByHash': # Method will eventually be used by a particular Android app to # retrieve pubkeys. Please do not yet add this to the api docs. if len(params) != 1: raise APIError(0, 'I need 1 parameter!') requestedHash, = params if len(requestedHash) != 40: raise APIError(19, 'The length of hash should be 20 bytes (encoded in hex thus 40 characters).') requestedHash = self._decode(requestedHash, "hex") queryreturn = sqlQuery('''SELECT transmitdata FROM pubkeys WHERE hash = ? ; ''', requestedHash) data = '{"pubkey":[' for row in queryreturn: transmitdata, = row data += json.dumps({'data':transmitdata.encode('hex')}, indent=4, separators=(',', ': ')) data += ']}' return data elif method == 'clientStatus': if len(shared.connectedHostsList) == 0: networkStatus = 'notConnected' elif len(shared.connectedHostsList) > 0 and not shared.clientHasReceivedIncomingConnections: networkStatus = 'connectedButHaveNotReceivedIncomingConnections' else: networkStatus = 'connectedAndReceivingIncomingConnections' return json.dumps({'networkConnections':len(shared.connectedHostsList),'numberOfMessagesProcessed':shared.numberOfMessagesProcessed, 'numberOfBroadcastsProcessed':shared.numberOfBroadcastsProcessed, 'numberOfPubkeysProcessed':shared.numberOfPubkeysProcessed, 'networkStatus':networkStatus, 'softwareName':'PyBitmessage','softwareVersion':shared.softwareVersion}, indent=4, separators=(',', ': ')) elif method == 'decodeAddress': # Return a meaningful decoding of an address. if len(params) != 1: raise APIError(0, 'I need 1 parameter!') address, = params status, addressVersion, streamNumber, ripe = decodeAddress(address) return json.dumps({'status':status, 'addressVersion':addressVersion, 'streamNumber':streamNumber, 'ripe':ripe.encode('base64')}, indent=4, separators=(',', ': ')) else: raise APIError(20, 'Invalid method: %s' % method)
def decryptAndCheckPubkeyPayload(data, address): """ Version 4 pubkeys are encrypted. This function is run when we already have the address to which we want to try to send a message. The 'data' may come either off of the wire or we might have had it already in our inventory when we tried to send a msg to this particular address. """ try: status, addressVersion, streamNumber, ripe = decodeAddress(address) readPosition = 20 # bypass the nonce, time, and object type embeddedAddressVersion, varintLength = decodeVarint(data[readPosition:readPosition + 10]) readPosition += varintLength embeddedStreamNumber, varintLength = decodeVarint(data[readPosition:readPosition + 10]) readPosition += varintLength storedData = data[20:readPosition] # We'll store the address version and stream number (and some more) in the pubkeys table. if addressVersion != embeddedAddressVersion: logger.info('Pubkey decryption was UNsuccessful due to address version mismatch.') return 'failed' if streamNumber != embeddedStreamNumber: logger.info('Pubkey decryption was UNsuccessful due to stream number mismatch.') return 'failed' tag = data[readPosition:readPosition + 32] readPosition += 32 signedData = data[8:readPosition] # the time through the tag. More data is appended onto signedData below after the decryption. encryptedData = data[readPosition:] # Let us try to decrypt the pubkey toAddress, cryptorObject = state.neededPubkeys[tag] if toAddress != address: logger.critical('decryptAndCheckPubkeyPayload failed due to toAddress mismatch. This is very peculiar. toAddress: %s, address %s', toAddress, address) # the only way I can think that this could happen is if someone encodes their address data two different ways. # That sort of address-malleability should have been caught by the UI or API and an error given to the user. return 'failed' try: decryptedData = cryptorObject.decrypt(encryptedData) except: # Someone must have encrypted some data with a different key # but tagged it with a tag for which we are watching. logger.info('Pubkey decryption was unsuccessful.') return 'failed' readPosition = 0 bitfieldBehaviors = decryptedData[readPosition:readPosition + 4] readPosition += 4 publicSigningKey = '\x04' + decryptedData[readPosition:readPosition + 64] readPosition += 64 publicEncryptionKey = '\x04' + decryptedData[readPosition:readPosition + 64] readPosition += 64 specifiedNonceTrialsPerByte, specifiedNonceTrialsPerByteLength = decodeVarint( decryptedData[readPosition:readPosition + 10]) readPosition += specifiedNonceTrialsPerByteLength specifiedPayloadLengthExtraBytes, specifiedPayloadLengthExtraBytesLength = decodeVarint( decryptedData[readPosition:readPosition + 10]) readPosition += specifiedPayloadLengthExtraBytesLength storedData += decryptedData[:readPosition] signedData += decryptedData[:readPosition] signatureLength, signatureLengthLength = decodeVarint( decryptedData[readPosition:readPosition + 10]) readPosition += signatureLengthLength signature = decryptedData[readPosition:readPosition + signatureLength] if highlevelcrypto.verify(signedData, signature, hexlify(publicSigningKey)): logger.info('ECDSA verify passed (within decryptAndCheckPubkeyPayload)') else: logger.info('ECDSA verify failed (within decryptAndCheckPubkeyPayload)') return 'failed' sha = hashlib.new('sha512') sha.update(publicSigningKey + publicEncryptionKey) ripeHasher = hashlib.new('ripemd160') ripeHasher.update(sha.digest()) embeddedRipe = ripeHasher.digest() if embeddedRipe != ripe: # Although this pubkey object had the tag were were looking for and was # encrypted with the correct encryption key, it doesn't contain the # correct pubkeys. Someone is either being malicious or using buggy software. logger.info('Pubkey decryption was UNsuccessful due to RIPE mismatch.') return 'failed' # Everything checked out. Insert it into the pubkeys table. logger.info('within decryptAndCheckPubkeyPayload, addressVersion: %s, streamNumber: %s \n\ ripe %s\n\ publicSigningKey in hex: %s\n\ publicEncryptionKey in hex: %s', addressVersion, streamNumber, hexlify(ripe), hexlify(publicSigningKey), hexlify(publicEncryptionKey) ) t = (address, addressVersion, storedData, int(time.time()), 'yes') sqlExecute('''INSERT INTO pubkeys VALUES (?,?,?,?,?)''', *t) return 'successful' except varintDecodeError as e: logger.info('Pubkey decryption was UNsuccessful due to a malformed varint.') return 'failed' except Exception as e: logger.critical('Pubkey decryption was UNsuccessful because of an unhandled exception! This is definitely a bug! \n%s', traceback.format_exc()) return 'failed'
def query(self, string): """ Query for the bitmessage address corresponding to the given identity string. If it doesn't contain a slash, id/ is prepended. We return the result as (Error, Address) pair, where the Error is an error message to display or None in case of success. """ slashPos = string.find("/") if slashPos < 0: display_name = string string = "id/" + string else: display_name = string.split("/")[1] try: if self.nmctype == "namecoind": res = self.callRPC("name_show", [string]) res = res["value"] elif self.nmctype == "nmcontrol": res = self.callRPC("data", ["getValue", string]) res = res["reply"] if not res: return (tr._translate("MainWindow", 'The name %1 was not found.').arg( unicode(string)), None) else: assert False except RPCError as exc: logger.exception("Namecoin query RPC exception") if isinstance(exc.error, dict): errmsg = exc.error["message"] else: errmsg = exc.error return (tr._translate("MainWindow", 'The namecoin query failed (%1)').arg( unicode(errmsg)), None) except AssertionError: return (tr._translate("MainWindow", 'Unknown namecoin interface type: %1').arg( unicode(self.nmctype)), None) except Exception: logger.exception("Namecoin query exception") return (tr._translate("MainWindow", 'The namecoin query failed.'), None) try: res = json.loads(res) except ValueError: pass else: try: display_name = res["name"] except KeyError: pass res = res.get("bitmessage") valid = decodeAddress(res)[0] == 'success' return (None, "%s <%s>" % (display_name, res)) if valid else (tr._translate( "MainWindow", 'The name %1 has no associated Bitmessage address.').arg( unicode(string)), None)