def connectionFullyEstablished(self):
self.connectionIsOrWasFullyEstablished = True
if not self.initiatedConnection:
shared.clientHasReceivedIncomingConnections = True
shared.UISignalQueue.put(('setStatusIcon', 'green'))
self.sock.settimeout(
600) # We'll send out a pong every 5 minutes to make sure the connection stays alive if there has been no other traffic to send lately.
shared.UISignalQueue.put(('updateNetworkStatusTab', 'no data'))
with shared.printLock:
print 'Connection fully established with', self.peer
print 'The size of the connectedHostsList is now', len(shared.connectedHostsList)
print 'The length of sendDataQueues is now:', len(shared.sendDataQueues)
print 'broadcasting addr from within connectionFullyEstablished function.'
# Let all of our peers know about this new node.
dataToSend = (int(time.time()), self.streamNumber, 1, self.peer.host, self.remoteNodeIncomingPort)
shared.broadcastToSendDataQueues((
self.streamNumber, 'advertisepeer', dataToSend))
self.sendaddr() # This is one large addr message to this one peer.
if not self.initiatedConnection and len(shared.connectedHostsList) > 200:
with shared.printLock:
print 'We are connected to too many people. Closing connection.'
shared.broadcastToSendDataQueues((0, 'shutdown', self.peer))
return
self.sendBigInv()
def connectionFullyEstablished(self):
if self.connectionIsOrWasFullyEstablished:
# there is no reason to run this function a second time
return
self.connectionIsOrWasFullyEstablished = True
# Command the corresponding sendDataThread to set its own connectionIsOrWasFullyEstablished variable to True also
self.sendDataThreadQueue.put((0, "connectionIsOrWasFullyEstablished", "no data"))
if not self.initiatedConnection:
shared.clientHasReceivedIncomingConnections = True
shared.UISignalQueue.put(("setStatusIcon", "green"))
self.sock.settimeout(
600
) # We'll send out a pong every 5 minutes to make sure the connection stays alive if there has been no other traffic to send lately.
shared.UISignalQueue.put(("updateNetworkStatusTab", "no data"))
with shared.printLock:
print "Connection fully established with", self.peer
print "The size of the connectedHostsList is now", len(shared.connectedHostsList)
print "The length of sendDataQueues is now:", len(shared.sendDataQueues)
print "broadcasting addr from within connectionFullyEstablished function."
# Let all of our peers know about this new node.
dataToSend = (int(time.time()), self.streamNumber, 1, self.peer.host, self.remoteNodeIncomingPort)
shared.broadcastToSendDataQueues((self.streamNumber, "advertisepeer", dataToSend))
self.sendaddr() # This is one large addr message to this one peer.
if not self.initiatedConnection and len(shared.connectedHostsList) > 200:
with shared.printLock:
print "We are connected to too many people. Closing connection."
shared.broadcastToSendDataQueues((0, "shutdown", self.peer))
return
self.sendBigInv()
def recversion(self, data):
if len(data) < 83:
# This version message is unreasonably short. Forget it.
return
elif not self.verackSent:
self.remoteProtocolVersion, = unpack('>L', data[:4])
if self.remoteProtocolVersion <= 1:
shared.broadcastToSendDataQueues((0, 'shutdown', self.peer))
with shared.printLock:
print 'Closing connection to old protocol version 1 node: ', self.peer
return
# print 'remoteProtocolVersion', self.remoteProtocolVersion
self.myExternalIP = socket.inet_ntoa(data[40:44])
# print 'myExternalIP', self.myExternalIP
self.remoteNodeIncomingPort, = unpack('>H', data[70:72])
# print 'remoteNodeIncomingPort', self.remoteNodeIncomingPort
useragentLength, lengthOfUseragentVarint = decodeVarint(
data[80:84])
readPosition = 80 + lengthOfUseragentVarint
useragent = data[readPosition:readPosition + useragentLength]
readPosition += useragentLength
numberOfStreamsInVersionMessage, lengthOfNumberOfStreamsInVersionMessage = decodeVarint(
data[readPosition:])
readPosition += lengthOfNumberOfStreamsInVersionMessage
self.streamNumber, lengthOfRemoteStreamNumber = decodeVarint(
data[readPosition:])
with shared.printLock:
print 'Remote node useragent:', useragent, ' stream number:', self.streamNumber
if self.streamNumber != 1:
shared.broadcastToSendDataQueues((0, 'shutdown', self.peer))
with shared.printLock:
print 'Closed connection to', self.peer, 'because they are interested in stream', self.streamNumber, '.'
return
shared.connectedHostsList[
self.peer.host] = 1 # We use this data structure to not only keep track of what hosts we are connected to so that we don't try to connect to them again, but also to list the connections count on the Network Status tab.
# If this was an incoming connection, then the sendData thread
# doesn't know the stream. We have to set it.
if not self.initiatedConnection:
shared.broadcastToSendDataQueues((
0, 'setStreamNumber', (self.peer, self.streamNumber)))
if data[72:80] == shared.eightBytesOfRandomDataUsedToDetectConnectionsToSelf:
shared.broadcastToSendDataQueues((0, 'shutdown', self.peer))
with shared.printLock:
print 'Closing connection to myself: ', self.peer
return
shared.broadcastToSendDataQueues((0, 'setRemoteProtocolVersion', (
self.peer, self.remoteProtocolVersion)))
shared.knownNodesLock.acquire()
shared.knownNodes[self.streamNumber][shared.Peer(self.peer.host, self.remoteNodeIncomingPort)] = int(time.time())
shared.needToWriteKnownNodesToDisk = True
shared.knownNodesLock.release()
self.sendverack()
if self.initiatedConnection == False:
self.sendversion()
def recaddr(self, data):
numberOfAddressesIncluded, lengthOfNumberOfAddresses = decodeVarint(
data[:10])
if numberOfAddressesIncluded > 1000 or numberOfAddressesIncluded == 0:
return
if len(data) != lengthOfNumberOfAddresses + (38 * numberOfAddressesIncluded):
return
for i in xrange(0, numberOfAddressesIncluded):
fullHost = data[20 + lengthOfNumberOfAddresses + (38 * i):36 + lengthOfNumberOfAddresses + (38 * i)]
recaddrStream, = unpack('>I', data[8 + lengthOfNumberOfAddresses + (
38 * i):12 + lengthOfNumberOfAddresses + (38 * i)])
if recaddrStream == 0:
continue
if recaddrStream != self.streamNumber and recaddrStream != (self.streamNumber * 2) and recaddrStream != ((self.streamNumber * 2) + 1): # if the embedded stream number is not in my stream or either of my child streams then ignore it. Someone might be trying funny business.
continue
recaddrServices, = unpack('>Q', data[12 + lengthOfNumberOfAddresses + (
38 * i):20 + lengthOfNumberOfAddresses + (38 * i)])
recaddrPort, = unpack('>H', data[36 + lengthOfNumberOfAddresses + (
38 * i):38 + lengthOfNumberOfAddresses + (38 * i)])
if fullHost[0:12] == '\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xFF\xFF':
ipv4Host = fullHost[12:]
hostStandardFormat = socket.inet_ntop(socket.AF_INET, ipv4Host)
if not self._checkIPv4Address(ipv4Host, hostStandardFormat):
continue
else:
hostStandardFormat = socket.inet_ntop(socket.AF_INET6, fullHost)
if hostStandardFormat == "":
# This can happen on Windows systems which are not 64-bit compatible
# so let us drop the IPv6 address.
continue
if not self._checkIPv6Address(fullHost, hostStandardFormat):
continue
timeSomeoneElseReceivedMessageFromThisNode, = unpack('>Q', data[lengthOfNumberOfAddresses + (
38 * i):8 + lengthOfNumberOfAddresses + (38 * i)]) # This is the 'time' value in the received addr message. 64-bit.
if recaddrStream not in shared.knownNodes: # knownNodes is a dictionary of dictionaries with one outer dictionary for each stream. If the outer stream dictionary doesn't exist yet then we must make it.
with shared.knownNodesLock:
shared.knownNodes[recaddrStream] = {}
peerFromAddrMessage = shared.Peer(hostStandardFormat, recaddrPort)
if peerFromAddrMessage not in shared.knownNodes[recaddrStream]:
if len(shared.knownNodes[recaddrStream]) < 20000 and timeSomeoneElseReceivedMessageFromThisNode > (int(time.time()) - 10800) and timeSomeoneElseReceivedMessageFromThisNode < (int(time.time()) + 10800): # If we have more than 20000 nodes in our list already then just forget about adding more. Also, make sure that the time that someone else received a message from this node is within three hours from now.
with shared.knownNodesLock:
shared.knownNodes[recaddrStream][peerFromAddrMessage] = timeSomeoneElseReceivedMessageFromThisNode
shared.needToWriteKnownNodesToDisk = True
hostDetails = (
timeSomeoneElseReceivedMessageFromThisNode,
recaddrStream, recaddrServices, hostStandardFormat, recaddrPort)
shared.broadcastToSendDataQueues((
self.streamNumber, 'advertisepeer', hostDetails))
else:
timeLastReceivedMessageFromThisNode = shared.knownNodes[recaddrStream][
peerFromAddrMessage]
if (timeLastReceivedMessageFromThisNode < timeSomeoneElseReceivedMessageFromThisNode) and (timeSomeoneElseReceivedMessageFromThisNode < int(time.time())+900): # 900 seconds for wiggle-room in case other nodes' clocks aren't quite right.
with shared.knownNodesLock:
shared.knownNodes[recaddrStream][peerFromAddrMessage] = timeSomeoneElseReceivedMessageFromThisNode
def recaddr(self, data):
numberOfAddressesIncluded, lengthOfNumberOfAddresses = decodeVarint(
data[:10])
if shared.verbose >= 1:
logger.debug('addr message contains ' + str(numberOfAddressesIncluded) + ' IP addresses.')
if numberOfAddressesIncluded > 1000 or numberOfAddressesIncluded == 0:
return
if len(data) != lengthOfNumberOfAddresses + (38 * numberOfAddressesIncluded):
logger.debug('addr message does not contain the correct amount of data. Ignoring.')
return
for i in range(0, numberOfAddressesIncluded):
fullHost = data[20 + lengthOfNumberOfAddresses + (38 * i):36 + lengthOfNumberOfAddresses + (38 * i)]
recaddrStream, = unpack('>I', data[8 + lengthOfNumberOfAddresses + (
38 * i):12 + lengthOfNumberOfAddresses + (38 * i)])
if recaddrStream == 0:
continue
if recaddrStream != self.streamNumber and recaddrStream != (self.streamNumber * 2) and recaddrStream != ((self.streamNumber * 2) + 1): # if the embedded stream number is not in my stream or either of my child streams then ignore it. Someone might be trying funny business.
continue
recaddrServices, = unpack('>Q', data[12 + lengthOfNumberOfAddresses + (
38 * i):20 + lengthOfNumberOfAddresses + (38 * i)])
recaddrPort, = unpack('>H', data[36 + lengthOfNumberOfAddresses + (
38 * i):38 + lengthOfNumberOfAddresses + (38 * i)])
hostStandardFormat = self._checkIPAddress(fullHost)
if hostStandardFormat is False:
continue
if recaddrPort == 0:
continue
timeSomeoneElseReceivedMessageFromThisNode, = unpack('>Q', data[lengthOfNumberOfAddresses + (
38 * i):8 + lengthOfNumberOfAddresses + (38 * i)]) # This is the 'time' value in the received addr message. 64-bit.
if recaddrStream not in shared.knownNodes: # knownNodes is a dictionary of dictionaries with one outer dictionary for each stream. If the outer stream dictionary doesn't exist yet then we must make it.
with shared.knownNodesLock:
shared.knownNodes[recaddrStream] = {}
peerFromAddrMessage = shared.Peer(hostStandardFormat, recaddrPort)
if peerFromAddrMessage not in shared.knownNodes[recaddrStream]:
if len(shared.knownNodes[recaddrStream]) < 20000 and timeSomeoneElseReceivedMessageFromThisNode > (int(time.time()) - 10800) and timeSomeoneElseReceivedMessageFromThisNode < (int(time.time()) + 10800): # If we have more than 20000 nodes in our list already then just forget about adding more. Also, make sure that the time that someone else received a message from this node is within three hours from now.
with shared.knownNodesLock:
shared.knownNodes[recaddrStream][peerFromAddrMessage] = timeSomeoneElseReceivedMessageFromThisNode
logger.debug('added new node ' + str(peerFromAddrMessage) + ' to knownNodes in stream ' + str(recaddrStream))
shared.needToWriteKnownNodesToDisk = True
hostDetails = (
timeSomeoneElseReceivedMessageFromThisNode,
recaddrStream, recaddrServices, hostStandardFormat, recaddrPort)
shared.broadcastToSendDataQueues((
self.streamNumber, 'advertisepeer', hostDetails))
else:
timeLastReceivedMessageFromThisNode = shared.knownNodes[recaddrStream][
peerFromAddrMessage]
if (timeLastReceivedMessageFromThisNode < timeSomeoneElseReceivedMessageFromThisNode) and (timeSomeoneElseReceivedMessageFromThisNode < int(time.time())+900): # 900 seconds for wiggle-room in case other nodes' clocks aren't quite right.
with shared.knownNodesLock:
shared.knownNodes[recaddrStream][peerFromAddrMessage] = timeSomeoneElseReceivedMessageFromThisNode
logger.debug('knownNodes currently has ' + str(len(shared.knownNodes[self.streamNumber])) + ' nodes for this stream.')
def run(self):
with shared.printLock:
print "ID of the receiveDataThread is", str(
id(self)
) + ". The size of the shared.connectedHostsList is now", len(shared.connectedHostsList)
while True:
dataLen = len(self.data)
try:
self.data += self.sock.recv(4096)
except socket.timeout:
with shared.printLock:
print "Timeout occurred waiting for data from", self.peer, ". Closing receiveData thread. (ID:", str(
id(self)
) + ")"
break
except Exception as err:
with shared.printLock:
print "sock.recv error. Closing receiveData thread (HOST:", self.peer, "ID:", str(
id(self)
) + ").", err
break
# print 'Received', repr(self.data)
if len(self.data) == dataLen: # If self.sock.recv returned no data:
with shared.printLock:
print "Connection to", self.peer, "closed. Closing receiveData thread. (ID:", str(id(self)) + ")"
break
else:
self.processData()
try:
del self.selfInitiatedConnections[self.streamNumber][self]
with shared.printLock:
print "removed self (a receiveDataThread) from selfInitiatedConnections"
except:
pass
shared.broadcastToSendDataQueues(
(0, "shutdown", self.peer)
) # commands the corresponding sendDataThread to shut itself down.
try:
del shared.connectedHostsList[self.peer.host]
except Exception as err:
with shared.printLock:
print "Could not delete", self.peer.host, "from shared.connectedHostsList.", err
try:
del shared.numberOfObjectsThatWeHaveYetToGetPerPeer[self.peer]
except:
pass
shared.UISignalQueue.put(("updateNetworkStatusTab", "no data"))
with shared.printLock:
print "The size of the connectedHostsList is now:", len(shared.connectedHostsList)
def connectionFullyEstablished(self):
if self.connectionIsOrWasFullyEstablished:
# there is no reason to run this function a second time
return
self.connectionIsOrWasFullyEstablished = True
self.sslSock = self.sock
if ((self.services & shared.NODE_SSL == shared.NODE_SSL) and
shared.haveSSL(not self.initiatedConnection)):
logger.debug("Initialising TLS")
self.sslSock = ssl.wrap_socket(self.sock, keyfile = os.path.join(shared.codePath(), 'sslkeys', 'key.pem'), certfile = os.path.join(shared.codePath(), 'sslkeys', 'cert.pem'), server_side = not self.initiatedConnection, ssl_version=ssl.PROTOCOL_TLSv1, do_handshake_on_connect=False, ciphers='AECDH-AES256-SHA')
if hasattr(self.sslSock, "context"):
self.sslSock.context.set_ecdh_curve("secp256k1")
while True:
try:
self.sslSock.do_handshake()
break
except ssl.SSLError as e:
if e.errno == 2:
select.select([self.sslSock], [self.sslSock], [])
else:
break
except:
break
# Command the corresponding sendDataThread to set its own connectionIsOrWasFullyEstablished variable to True also
self.sendDataThreadQueue.put((0, 'connectionIsOrWasFullyEstablished', (self.services, self.sslSock)))
if not self.initiatedConnection:
shared.clientHasReceivedIncomingConnections = True
shared.UISignalQueue.put(('setStatusIcon', 'green'))
self.sock.settimeout(
600) # We'll send out a pong every 5 minutes to make sure the connection stays alive if there has been no other traffic to send lately.
shared.UISignalQueue.put(('updateNetworkStatusTab', 'no data'))
logger.debug('Connection fully established with ' + str(self.peer) + "\n" + \
'The size of the connectedHostsList is now ' + str(len(shared.connectedHostsList)) + "\n" + \
'The length of sendDataQueues is now: ' + str(len(shared.sendDataQueues)) + "\n" + \
'broadcasting addr from within connectionFullyEstablished function.')
# Let all of our peers know about this new node.
dataToSend = (int(time.time()), self.streamNumber, 1, self.peer.host, self.remoteNodeIncomingPort)
shared.broadcastToSendDataQueues((
self.streamNumber, 'advertisepeer', dataToSend))
self.sendaddr() # This is one large addr message to this one peer.
if not self.initiatedConnection and len(shared.connectedHostsList) > 200:
logger.info ('We are connected to too many people. Closing connection.')
self.sendDataThreadQueue.put((0, 'shutdown','no data'))
return
self.sendBigInv()
def connectionFullyEstablished(self):
if self.connectionIsOrWasFullyEstablished:
# there is no reason to run this function a second time
return
self.connectionIsOrWasFullyEstablished = True
# Command the corresponding sendDataThread to set its own connectionIsOrWasFullyEstablished variable to True also
self.sendDataThreadQueue.put((0, 'connectionIsOrWasFullyEstablished', 'no data'))
if not self.initiatedConnection:
shared.clientHasReceivedIncomingConnections = True
self.sock.settimeout(
600) # We'll send out a pong every 5 minutes to make sure the connection stays alive if there has been no other traffic to send lately.
# Let all of our peers know about this new node.
dataToSend = (int(time.time()), self.streamNumber, 1, self.peer.host, self.remoteNodeIncomingPort)
shared.broadcastToSendDataQueues((
self.streamNumber, 'advertisepeer', dataToSend))
self.sendaddr() # This is one large addr message to this one peer.
if not self.initiatedConnection and len(shared.connectedHostsList) > 200:
self.sendDataThreadQueue.put((0, 'shutdown','no data'))
return
self.sendBigInv()
def run(self):
timeWeLastClearedInventoryAndPubkeysTables = 0
while True:
shared.UISignalQueue.put((
'updateStatusBar', 'Doing housekeeping (Flushing inventory in memory to disk...)'))
with shared.inventoryLock: # If you use both the inventoryLock and the sqlLock, always use the inventoryLock OUTSIDE of the sqlLock.
with SqlBulkExecute() as sql:
for hash, storedValue in shared.inventory.items():
objectType, streamNumber, payload, receivedTime, tag = storedValue
if int(time.time()) - 3600 > receivedTime:
sql.execute(
'''INSERT INTO inventory VALUES (?,?,?,?,?,?)''',
hash,
objectType,
streamNumber,
payload,
receivedTime,
tag)
del shared.inventory[hash]
shared.UISignalQueue.put(('updateStatusBar', ''))
shared.broadcastToSendDataQueues((
0, 'pong', 'no data')) # commands the sendData threads to send out a pong message if they haven't sent anything else in the last five minutes. The socket timeout-time is 10 minutes.
# If we are running as a daemon then we are going to fill up the UI
# queue which will never be handled by a UI. We should clear it to
# save memory.
if shared.safeConfigGetBoolean('bitmessagesettings', 'daemon'):
shared.UISignalQueue.queue.clear()
if timeWeLastClearedInventoryAndPubkeysTables < int(time.time()) - 7380:
timeWeLastClearedInventoryAndPubkeysTables = int(time.time())
# inventory (moves data from the inventory data structure to
# the on-disk sql database)
# inventory (clears pubkeys after 28 days and everything else
# after 2 days and 12 hours)
sqlExecute(
'''DELETE FROM inventory WHERE (receivedtime<? AND objecttype<>'pubkey') OR (receivedtime<? AND objecttype='pubkey') ''',
int(time.time()) - shared.lengthOfTimeToLeaveObjectsInInventory,
int(time.time()) - shared.lengthOfTimeToHoldOnToAllPubkeys)
# pubkeys
sqlExecute(
'''DELETE FROM pubkeys WHERE time<? AND usedpersonally='no' ''',
int(time.time()) - shared.lengthOfTimeToHoldOnToAllPubkeys)
queryreturn = sqlQuery(
'''select toaddress, toripe, fromaddress, subject, message, ackdata, lastactiontime, status, pubkeyretrynumber, msgretrynumber FROM sent WHERE ((status='awaitingpubkey' OR status='msgsent') AND folder='sent') ''') # If the message's folder='trash' then we'll ignore it.
for row in queryreturn:
if len(row) < 5:
with shared.printLock:
sys.stderr.write(
'Something went wrong in the singleCleaner thread: a query did not return the requested fields. ' + repr(row))
time.sleep(3)
break
toaddress, toripe, fromaddress, subject, message, ackdata, lastactiontime, status, pubkeyretrynumber, msgretrynumber = row
if status == 'awaitingpubkey':#start:UI setting to stop trying to send messages after X hours/days/months
if int(shared.config.get('bitmessagesettings', 'timeperiod'))> -1:#The default value of timeperiod is -1.
if (int(time.time()) - lastactiontime) > (shared.maximumAgeOfAnObjectThatIAmWillingToAccept * (2 ** (pubkeyretrynumber))) and ((int(time.time()) - lastactiontime) < int(shared.config.get('bitmessagesettings', 'timeperiod'))):
resendPubkey(pubkeyretrynumber,toripe)#This will be executed if the user has adjusted the time period with some value
else:
if int(time.time()) - lastactiontime > (shared.maximumAgeOfAnObjectThatIAmWillingToAccept * (2 ** (pubkeyretrynumber))):
resendPubkey(pubkeyretrynumber,toripe)#This will be executed if the time period has its default value -1. Input (blank/blank/blank)
else: # status == msgsent
if int(shared.config.get('bitmessagesettings', 'timeperiod'))> -1:
if (int(time.time()) - lastactiontime) > (shared.maximumAgeOfAnObjectThatIAmWillingToAccept * (2 ** (msgretrynumber))) and ((int(time.time()) - lastactiontime) < int(shared.config.get('bitmessagesettings', 'timeperiod'))):
resendMsg(msgretrynumber,ackdata)
else:
if int(time.time()) - lastactiontime > (shared.maximumAgeOfAnObjectThatIAmWillingToAccept * (2 ** (msgretrynumber))):
resendMsg(msgretrynumber,ackdata)
#end
# Let's also clear and reload shared.inventorySets to keep it from
# taking up an unnecessary amount of memory.
for streamNumber in shared.inventorySets:
shared.inventorySets[streamNumber] = set()
queryData = sqlQuery('''SELECT hash FROM inventory WHERE streamnumber=?''', streamNumber)
for row in queryData:
shared.inventorySets[streamNumber].add(row[0])
with shared.inventoryLock:
for hash, storedValue in shared.inventory.items():
objectType, streamNumber, payload, receivedTime, tag = storedValue
if streamNumber in shared.inventorySets:
shared.inventorySets[streamNumber].add(hash)
# Let us write out the knowNodes to disk if there is anything new to write out.
if shared.needToWriteKnownNodesToDisk:
shared.knownNodesLock.acquire()
output = open(shared.appdata + 'knownnodes.dat', 'wb')
try:
pickle.dump(shared.knownNodes, output)
output.close()
except Exception as err:
if "Errno 28" in str(err):
logger.fatal('(while receiveDataThread shared.needToWriteKnownNodesToDisk) Alert: Your disk or data storage volume is full. ')
shared.UISignalQueue.put(('alert', (tr.translateText("MainWindow", "Disk full"), tr.translateText("MainWindow", 'Alert: Your disk or data storage volume is full. Bitmessage will now exit.'), True)))
if shared.daemon:
os._exit(0)
shared.knownNodesLock.release()
shared.needToWriteKnownNodesToDisk = False
#.........这里部分代码省略.........
def sendOutOrStoreMyV3Pubkey(self, hash):
myAddress = shared.myAddressesByHash[hash]
status, addressVersionNumber, streamNumber, hash = decodeAddress(
myAddress)
embeddedTime = int(time.time() + random.randrange(
-300, 300)) # the current time plus or minus five minutes
payload = pack('>I', (embeddedTime))
payload += encodeVarint(addressVersionNumber) # Address version number
payload += encodeVarint(streamNumber)
payload += '\x00\x00\x00\x01' # bitfield of features supported by me (see the wiki).
try:
privSigningKeyBase58 = shared.config.get(
myAddress, 'privsigningkey')
privEncryptionKeyBase58 = shared.config.get(
myAddress, 'privencryptionkey')
except Exception as err:
with shared.printLock:
sys.stderr.write(
'Error within sendOutOrStoreMyV3Pubkey. Could not read the keys from the keys.dat file for a requested address. %s\n' % err)
return
privSigningKeyHex = shared.decodeWalletImportFormat(
privSigningKeyBase58).encode('hex')
privEncryptionKeyHex = shared.decodeWalletImportFormat(
privEncryptionKeyBase58).encode('hex')
pubSigningKey = highlevelcrypto.privToPub(
privSigningKeyHex).decode('hex')
pubEncryptionKey = highlevelcrypto.privToPub(
privEncryptionKeyHex).decode('hex')
payload += pubSigningKey[1:]
payload += pubEncryptionKey[1:]
payload += encodeVarint(shared.config.getint(
myAddress, 'noncetrialsperbyte'))
payload += encodeVarint(shared.config.getint(
myAddress, 'payloadlengthextrabytes'))
signature = highlevelcrypto.sign(payload, privSigningKeyHex)
payload += encodeVarint(len(signature))
payload += signature
if not shared.safeConfigGetBoolean(myAddress, 'chan'):
# Do the POW for this pubkey message
target = 2 ** 64 / ((len(payload) + shared.networkDefaultPayloadLengthExtraBytes +
8) * shared.networkDefaultProofOfWorkNonceTrialsPerByte)
print '(For pubkey message) Doing proof of work...'
initialHash = hashlib.sha512(payload).digest()
trialValue, nonce = proofofwork.run(target, initialHash)
print '(For pubkey message) Found proof of work', trialValue, 'Nonce:', nonce
payload = pack('>Q', nonce) + payload
inventoryHash = calculateInventoryHash(payload)
objectType = 'pubkey'
shared.inventory[inventoryHash] = (
objectType, streamNumber, payload, embeddedTime)
with shared.printLock:
print 'broadcasting inv with hash:', inventoryHash.encode('hex')
shared.broadcastToSendDataQueues((
streamNumber, 'sendinv', inventoryHash))
shared.UISignalQueue.put(('updateStatusBar', ''))
# If this is a chan address then we won't send out the pubkey over the
# network but rather will only store it in our pubkeys table so that
# we can send messages to "ourselves".
if shared.safeConfigGetBoolean(myAddress, 'chan'):
payload = '\x00' * 8 + payload # Attach a fake nonce on the front
# just so that it is in the correct format.
sqlExecute('''INSERT INTO pubkeys VALUES (?,?,?,?)''',
hash,
payload,
embeddedTime,
'yes')
shared.config.set(
myAddress, 'lastpubkeysendtime', str(int(time.time())))
with open(shared.appdata + 'keys.dat', 'wb') as configfile:
shared.config.write(configfile)
#.........这里部分代码省略.........
fromaddress, 'privsigningkey')
privEncryptionKeyBase58 = shared.config.get(
fromaddress, 'privencryptionkey')
except:
shared.UISignalQueue.put(('updateSentItemStatusByAckdata', (
ackdata, tr.translateText("MainWindow", "Error! Could not find sender address (your address) in the keys.dat file."))))
continue
privSigningKeyHex = shared.decodeWalletImportFormat(
privSigningKeyBase58).encode('hex')
privEncryptionKeyHex = shared.decodeWalletImportFormat(
privEncryptionKeyBase58).encode('hex')
pubSigningKey = highlevelcrypto.privToPub(
privSigningKeyHex).decode('hex')
pubEncryptionKey = highlevelcrypto.privToPub(
privEncryptionKeyHex).decode('hex')
payload += pubSigningKey[
1:] # The \x04 on the beginning of the public keys are not sent. This way there is only one acceptable way to encode and send a public key.
payload += pubEncryptionKey[1:]
# If the receiver of our message is in our address book,
# subscriptions list, or whitelist then we will allow them to
# do the network-minimum proof of work. Let us check to see if
# the receiver is in any of those lists.
if shared.isAddressInMyAddressBookSubscriptionsListOrWhitelist(toaddress):
payload += encodeVarint(
shared.networkDefaultProofOfWorkNonceTrialsPerByte)
payload += encodeVarint(
shared.networkDefaultPayloadLengthExtraBytes)
else:
payload += encodeVarint(shared.config.getint(
fromaddress, 'noncetrialsperbyte'))
payload += encodeVarint(shared.config.getint(
fromaddress, 'payloadlengthextrabytes'))
payload += toHash # This hash will be checked by the receiver of the message to verify that toHash belongs to them. This prevents a Surreptitious Forwarding Attack.
payload += '\x02' # Type 2 is simple UTF-8 message encoding as specified on the Protocol Specification on the Bitmessage Wiki.
messageToTransmit = 'Subject:' + \
subject + '\n' + 'Body:' + message
payload += encodeVarint(len(messageToTransmit))
payload += messageToTransmit
fullAckPayload = self.generateFullAckMessage(
ackdata, toStreamNumber, embeddedTime) # The fullAckPayload is a normal msg protocol message with the proof of work already completed that the receiver of this message can easily send out.
payload += encodeVarint(len(fullAckPayload))
payload += fullAckPayload
signature = highlevelcrypto.sign(payload, privSigningKeyHex)
payload += encodeVarint(len(signature))
payload += signature
# We have assembled the data that will be encrypted.
try:
encrypted = highlevelcrypto.encrypt(payload,"04"+pubEncryptionKeyBase256.encode('hex'))
except:
shared.sqlLock.acquire()
t = (ackdata,)
shared.sqlSubmitQueue.put('''UPDATE sent SET status='badkey' WHERE ackdata=?''')
shared.sqlSubmitQueue.put(t)
queryreturn = shared.sqlReturnQueue.get()
shared.sqlSubmitQueue.put('commit')
shared.sqlLock.release()
shared.UISignalQueue.put(('updateSentItemStatusByAckdata',(ackdata,tr.translateText("MainWindow",'Problem: The recipient\'s encryption key is no good. Could not encrypt message. %1').arg(unicode(strftime(shared.config.get('bitmessagesettings', 'timeformat'),localtime(int(time.time()))),'utf-8')))))
continue
encryptedPayload = embeddedTime + encodeVarint(toStreamNumber) + encrypted
target = 2**64 / ((len(encryptedPayload)+requiredPayloadLengthExtraBytes+8) * requiredAverageProofOfWorkNonceTrialsPerByte)
with shared.printLock:
print '(For msg message) 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) 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
inventoryHash = calculateInventoryHash(encryptedPayload)
objectType = 'msg'
shared.inventory[inventoryHash] = (
objectType, toStreamNumber, encryptedPayload, int(time.time()))
shared.UISignalQueue.put(('updateSentItemStatusByAckdata', (ackdata, tr.translateText("MainWindow", "Message sent. Waiting on acknowledgement. Sent on %1").arg(unicode(
strftime(shared.config.get('bitmessagesettings', 'timeformat'), localtime(int(time.time()))), 'utf-8')))))
print 'Broadcasting inv for my msg(within sendmsg function):', inventoryHash.encode('hex')
shared.broadcastToSendDataQueues((
streamNumber, 'sendinv', inventoryHash))
# Update the status of the message in the 'sent' table to have a
# 'msgsent' status
shared.sqlLock.acquire()
t = (ackdata,)
shared.sqlSubmitQueue.put('''UPDATE sent SET status='msgsent' WHERE ackdata=?''')
shared.sqlSubmitQueue.put(t)
queryreturn = shared.sqlReturnQueue.get()
shared.sqlSubmitQueue.put('commit')
shared.sqlLock.release()
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