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 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 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 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 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 requestPubKey(self, toAddress):
toStatus, addressVersionNumber, streamNumber, ripe = decodeAddress(
toAddress)
if toStatus != 'success':
with shared.printLock:
sys.stderr.write('Very abnormal error occurred in requestPubKey. toAddress is: ' + repr(
toAddress) + '. Please report this error to Atheros.')
return
shared.neededPubkeys[ripe] = 0
payload = pack('>Q', (int(time.time()) + random.randrange(
-300, 300))) # the current time plus or minus five minutes.
payload += encodeVarint(addressVersionNumber)
payload += encodeVarint(streamNumber)
payload += ripe
with shared.printLock:
print 'making request for pubkey with ripe:', ripe.encode('hex')
# print 'trial value', trialValue
statusbar = 'Doing the computations necessary to request the recipient\'s public key.'
shared.UISignalQueue.put(('updateStatusBar', statusbar))
shared.UISignalQueue.put(('updateSentItemStatusByHash', (
ripe, tr.translateText("MainWindow",'Doing work necessary to request encryption key.'))))
target = 2 ** 64 / ((len(payload) + shared.networkDefaultPayloadLengthExtraBytes +
8) * shared.networkDefaultProofOfWorkNonceTrialsPerByte)
initialHash = hashlib.sha512(payload).digest()
trialValue, nonce = proofofwork.run(target, initialHash)
with shared.printLock:
print 'Found proof of work', trialValue, 'Nonce:', nonce
payload = pack('>Q', nonce) + payload
inventoryHash = calculateInventoryHash(payload)
objectType = 'getpubkey'
shared.inventory[inventoryHash] = (
objectType, streamNumber, payload, int(time.time()))
print 'sending inv (for the getpubkey message)'
shared.broadcastToSendDataQueues((
streamNumber, 'sendinv', inventoryHash))
t = (toAddress,)
shared.sqlLock.acquire()
shared.sqlSubmitQueue.put(
'''UPDATE sent SET status='awaitingpubkey' WHERE toaddress=? AND status='doingpubkeypow' ''')
shared.sqlSubmitQueue.put(t)
shared.sqlReturnQueue.get()
shared.sqlSubmitQueue.put('commit')
shared.sqlLock.release()
shared.UISignalQueue.put((
'updateStatusBar', tr.translateText("MainWindow",'Broacasting the public key request. This program will auto-retry if they are offline.')))
shared.UISignalQueue.put(('updateSentItemStatusByHash', (ripe, tr.translateText("MainWindow",'Sending public key request. Waiting for reply. Requested at %1').arg(unicode(
strftime(shared.config.get('bitmessagesettings', 'timeformat'), localtime(int(time.time()))), 'utf-8')))))
def requestPubKey(self, toAddress):
toStatus, addressVersionNumber, streamNumber, ripe = decodeAddress(
toAddress)
if toStatus != 'success':
with shared.printLock:
sys.stderr.write('Very abnormal error occurred in requestPubKey. toAddress is: ' + repr(
toAddress) + '. Please report this error to Atheros.')
return
shared.neededPubkeys[ripe] = 0
payload = pack('>Q', (int(time.time()) + random.randrange(
-300, 300))) # the current time plus or minus five minutes.
payload += encodeVarint(addressVersionNumber)
payload += encodeVarint(streamNumber)
payload += ripe
with shared.printLock:
print 'making request for pubkey with ripe:', ripe.encode('hex')
# print 'trial value', trialValue
statusbar = 'Doing the computations necessary to request the recipient\'s public key.'
shared.UISignalQueue.put(('updateStatusBar', statusbar))
shared.UISignalQueue.put(('updateSentItemStatusByHash', (
ripe, tr.translateText("MainWindow",'Doing work necessary to request encryption key.'))))
target = 2 ** 64 / ((len(payload) + shared.networkDefaultPayloadLengthExtraBytes +
8) * shared.networkDefaultProofOfWorkNonceTrialsPerByte)
initialHash = hashlib.sha512(payload).digest()
trialValue, nonce = proofofwork.run(target, initialHash)
with shared.printLock:
print 'Found proof of work', trialValue, 'Nonce:', nonce
payload = pack('>Q', nonce) + payload
inventoryHash = calculateInventoryHash(payload)
objectType = 'getpubkey'
shared.inventory[inventoryHash] = (
objectType, streamNumber, payload, int(time.time()))
print 'sending inv (for the getpubkey message)'
shared.broadcastToSendDataQueues((
streamNumber, 'sendinv', inventoryHash))
t = (toAddress,)
shared.sqlLock.acquire()
shared.sqlSubmitQueue.put(
'''UPDATE sent SET status='awaitingpubkey' WHERE toaddress=? AND status='doingpubkeypow' ''')
shared.sqlSubmitQueue.put(t)
shared.sqlReturnQueue.get()
shared.sqlSubmitQueue.put('commit')
shared.sqlLock.release()
shared.UISignalQueue.put((
'updateStatusBar', tr.translateText("MainWindow",'Broacasting the public key request. This program will auto-retry if they are offline.')))
shared.UISignalQueue.put(('updateSentItemStatusByHash', (ripe, tr.translateText("MainWindow",'Sending public key request. Waiting for reply. Requested at %1').arg(unicode(
strftime(shared.config.get('bitmessagesettings', 'timeformat'), localtime(int(time.time()))), 'utf-8')))))
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
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 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:
dataRecv = self.sock.recv(4096)
self.data += dataRecv
shared.numberOfBytesReceived += len(dataRecv)
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 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
self.sendDataThreadQueue.put((0, 'setRemoteProtocolVersion', 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 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 sendOutOrStoreMyV3Pubkey(self, hash):
try:
myAddress = shared.myAddressesByHash[hash]
except:
#The address has been deleted.
return
if shared.safeConfigGetBoolean(myAddress, 'chan'):
return
status, addressVersionNumber, streamNumber, hash = decodeAddress(
myAddress)
TTL = int(28 * 24 * 60 * 60 + random.randrange(-300, 300))# 28 days from now plus or minus five minutes
embeddedTime = int(time.time() + TTL)
signedTimeForProtocolV2 = embeddedTime - TTL
"""
According to the protocol specification, the expiresTime along with the pubkey information is
signed. But to be backwards compatible during the upgrade period, we shall sign not the
expiresTime but rather the current time. There must be precisely a 28 day difference
between the two. After the upgrade period we'll switch to signing the whole payload with the
expiresTime time.
"""
payload = pack('>Q', (embeddedTime))
payload += '\x00\x00\x00\x01' # object type: pubkey
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:
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
# Do the POW for this pubkey message
target = 2 ** 64 / (shared.networkDefaultProofOfWorkNonceTrialsPerByte*(len(payload) + 8 + shared.networkDefaultPayloadLengthExtraBytes + ((TTL*(len(payload)+8+shared.networkDefaultPayloadLengthExtraBytes))/(2 ** 16))))
initialHash = hashlib.sha512(payload).digest()
trialValue, nonce = proofofwork.run(target, initialHash)
payload = pack('>Q', nonce) + payload
inventoryHash = calculateInventoryHash(payload)
objectType = 1
shared.inventory[inventoryHash] = (
objectType, streamNumber, payload, embeddedTime,'')
shared.inventorySets[streamNumber].add(inventoryHash)
shared.broadcastToSendDataQueues((
streamNumber, 'advertiseobject', inventoryHash))
try:
shared.config.set(
myAddress, 'lastpubkeysendtime', str(int(time.time())))
shared.writeKeysFile()
except:
# The user deleted the address out of the keys.dat file before this
# finished.
pass
def recaddr(self, data):
#listOfAddressDetailsToBroadcastToPeers = []
numberOfAddressesIncluded = 0
numberOfAddressesIncluded, lengthOfNumberOfAddresses = decodeVarint(
data[:10])
if shared.verbose >= 1:
with shared.printLock:
print 'addr message contains', numberOfAddressesIncluded, 'IP addresses.'
if numberOfAddressesIncluded > 1000 or numberOfAddressesIncluded == 0:
return
if len(data) != lengthOfNumberOfAddresses + (38 * numberOfAddressesIncluded):
print 'addr message does not contain the correct amount of data. Ignoring.'
return
for i in range(0, numberOfAddressesIncluded):
try:
if data[20 + lengthOfNumberOfAddresses + (38 * i):32 + lengthOfNumberOfAddresses + (38 * i)] != '\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xFF\xFF':
with shared.printLock:
print 'Skipping IPv6 address.', repr(data[20 + lengthOfNumberOfAddresses + (38 * i):32 + lengthOfNumberOfAddresses + (38 * i)])
continue
except Exception as err:
with shared.printLock:
sys.stderr.write(
'ERROR TRYING TO UNPACK recaddr (to test for an IPv6 address). Message: %s\n' % str(err))
break # giving up on unpacking any more. We should still be connected however.
try:
recaddrStream, = unpack('>I', data[8 + lengthOfNumberOfAddresses + (
38 * i):12 + lengthOfNumberOfAddresses + (38 * i)])
except Exception as err:
with shared.printLock:
sys.stderr.write(
'ERROR TRYING TO UNPACK recaddr (recaddrStream). Message: %s\n' % str(err))
break # giving up on unpacking any more. We should still be connected however.
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
try:
recaddrServices, = unpack('>Q', data[12 + lengthOfNumberOfAddresses + (
38 * i):20 + lengthOfNumberOfAddresses + (38 * i)])
except Exception as err:
with shared.printLock:
sys.stderr.write(
'ERROR TRYING TO UNPACK recaddr (recaddrServices). Message: %s\n' % str(err))
break # giving up on unpacking any more. We should still be connected however.
try:
recaddrPort, = unpack('>H', data[36 + lengthOfNumberOfAddresses + (
38 * i):38 + lengthOfNumberOfAddresses + (38 * i)])
except Exception as err:
with shared.printLock:
sys.stderr.write(
'ERROR TRYING TO UNPACK recaddr (recaddrPort). Message: %s\n' % str(err))
break # giving up on unpacking any more. We should still be connected however.
# print 'Within recaddr(): IP', recaddrIP, ', Port',
# recaddrPort, ', i', i
hostFromAddrMessage = socket.inet_ntoa(data[
32 + lengthOfNumberOfAddresses + (38 * i):36 + lengthOfNumberOfAddresses + (38 * i)])
# print 'hostFromAddrMessage', hostFromAddrMessage
if data[32 + lengthOfNumberOfAddresses + (38 * i)] == '\x7F':
print 'Ignoring IP address in loopback range:', hostFromAddrMessage
continue
if data[32 + lengthOfNumberOfAddresses + (38 * i)] == '\x0A':
print 'Ignoring IP address in private range:', hostFromAddrMessage
continue
if data[32 + lengthOfNumberOfAddresses + (38 * i):34 + lengthOfNumberOfAddresses + (38 * i)] == '\xC0A8':
print 'Ignoring IP address in private range:', hostFromAddrMessage
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.
shared.knownNodesLock.acquire()
shared.knownNodes[recaddrStream] = {}
shared.knownNodesLock.release()
peerFromAddrMessage = shared.Peer(hostFromAddrMessage, 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.
shared.knownNodesLock.acquire()
shared.knownNodes[recaddrStream][peerFromAddrMessage] = (
timeSomeoneElseReceivedMessageFromThisNode)
shared.knownNodesLock.release()
with shared.printLock:
print 'added new node', peerFromAddrMessage, 'to knownNodes in stream', recaddrStream
shared.needToWriteKnownNodesToDisk = True
hostDetails = (
timeSomeoneElseReceivedMessageFromThisNode,
recaddrStream, recaddrServices, hostFromAddrMessage, recaddrPort)
#listOfAddressDetailsToBroadcastToPeers.append(hostDetails)
shared.broadcastToSendDataQueues((
self.streamNumber, 'advertisepeer', hostDetails))
else:
timeLastReceivedMessageFromThisNode = shared.knownNodes[recaddrStream][
peerFromAddrMessage] # PORT in this case is either the port we used to connect to the remote node, or the port that was specified by someone else in a past addr message.
if (timeLastReceivedMessageFromThisNode < timeSomeoneElseReceivedMessageFromThisNode) and (timeSomeoneElseReceivedMessageFromThisNode < int(time.time())):
shared.knownNodesLock.acquire()
shared.knownNodes[recaddrStream][peerFromAddrMessage] = timeSomeoneElseReceivedMessageFromThisNode
shared.knownNodesLock.release()
#if listOfAddressDetailsToBroadcastToPeers != []:
# self.broadcastaddr(listOfAddressDetailsToBroadcastToPeers)
with shared.printLock:
print 'knownNodes currently has', len(shared.knownNodes[self.streamNumber]), 'nodes for this stream.'
def run(self):
timeWeLastClearedInventoryAndPubkeysTables = 0
try:
shared.maximumLengthOfTimeToBotherResendingMessages = (
float(
shared.config.get('bitmessagesettings',
'stopresendingafterxdays')) * 24 * 60 *
60) + (float(
shared.config.get('bitmessagesettings',
'stopresendingafterxmonths')) *
(60 * 60 * 24 * 365) / 12)
except:
# Either the user hasn't set stopresendingafterxdays and stopresendingafterxmonths yet or the options are missing from the config file.
shared.maximumLengthOfTimeToBotherResendingMessages = float('inf')
while shared.shutdown == 0:
shared.UISignalQueue.put(
('updateStatusBar',
'Doing housekeeping (Flushing inventory in memory to disk...)'
))
shared.inventory.flush()
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())
shared.inventory.clean()
# pubkeys
sqlExecute(
'''DELETE FROM pubkeys WHERE time<? AND usedpersonally='no' ''',
int(time.time()) - shared.lengthOfTimeToHoldOnToAllPubkeys)
# Let us resend getpubkey objects if we have not yet heard a pubkey, and also msg objects if we have not yet heard an acknowledgement
queryreturn = sqlQuery(
'''select toaddress, ackdata, status FROM sent WHERE ((status='awaitingpubkey' OR status='msgsent') AND folder='sent' AND sleeptill<? AND senttime>?) ''',
int(time.time()),
int(time.time()) -
shared.maximumLengthOfTimeToBotherResendingMessages)
for row in queryreturn:
if len(row) < 2:
logger.error(
'Something went wrong in the singleCleaner thread: a query did not return the requested fields. '
+ repr(row))
self.stop.wait(3)
break
toAddress, ackData, status = row
if status == 'awaitingpubkey':
resendPubkeyRequest(toAddress)
elif status == 'msgsent':
resendMsg(ackData)
# cleanup old nodes
now = int(time.time())
toDelete = []
shared.knownNodesLock.acquire()
for stream in shared.knownNodes:
for node in shared.knownNodes[stream].keys():
if now - shared.knownNodes[stream][
node] > 2419200: # 28 days
shared.needToWriteKownNodesToDisk = True
del shared.knownNodes[stream][node]
shared.knownNodesLock.release()
# 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._translate("MainWindow", "Disk full"),
tr._translate(
"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
self.stop.wait(300)
def recaddr(self, data):
# listOfAddressDetailsToBroadcastToPeers = []
numberOfAddressesIncluded = 0
numberOfAddressesIncluded, lengthOfNumberOfAddresses = decodeVarint(data[:10])
if shared.verbose >= 1:
with shared.printLock:
print "addr message contains", numberOfAddressesIncluded, "IP addresses."
if numberOfAddressesIncluded > 1000 or numberOfAddressesIncluded == 0:
return
if len(data) != lengthOfNumberOfAddresses + (38 * numberOfAddressesIncluded):
print "addr message does not contain the correct amount of data. Ignoring."
return
for i in range(0, numberOfAddressesIncluded):
try:
fullHost = data[20 + lengthOfNumberOfAddresses + (38 * i) : 36 + lengthOfNumberOfAddresses + (38 * i)]
except Exception as err:
with shared.printLock:
sys.stderr.write("ERROR TRYING TO UNPACK recaddr (recaddrHost). Message: %s\n" % str(err))
break # giving up on unpacking any more. We should still be connected however.
try:
recaddrStream, = unpack(
">I", data[8 + lengthOfNumberOfAddresses + (38 * i) : 12 + lengthOfNumberOfAddresses + (38 * i)]
)
except Exception as err:
with shared.printLock:
sys.stderr.write("ERROR TRYING TO UNPACK recaddr (recaddrStream). Message: %s\n" % str(err))
break # giving up on unpacking any more. We should still be connected however.
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
try:
recaddrServices, = unpack(
">Q", data[12 + lengthOfNumberOfAddresses + (38 * i) : 20 + lengthOfNumberOfAddresses + (38 * i)]
)
except Exception as err:
with shared.printLock:
sys.stderr.write("ERROR TRYING TO UNPACK recaddr (recaddrServices). Message: %s\n" % str(err))
break # giving up on unpacking any more. We should still be connected however.
try:
recaddrPort, = unpack(
">H", data[36 + lengthOfNumberOfAddresses + (38 * i) : 38 + lengthOfNumberOfAddresses + (38 * i)]
)
except Exception as err:
with shared.printLock:
sys.stderr.write("ERROR TRYING TO UNPACK recaddr (recaddrPort). Message: %s\n" % str(err))
break # giving up on unpacking any more. We should still be connected however.
# print 'Within recaddr(): IP', recaddrIP, ', Port',
# recaddrPort, ', i', i
if fullHost[0:12] == "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xFF\xFF":
ipv4Host = fullHost[12:]
hostFromAddrMessage = socket.inet_ntop(socket.AF_INET, ipv4Host)
if not self._checkIPv4Address(ipv4Host, hostFromAddrMessage):
continue
else:
hostFromAddrMessage = socket.inet_ntop(socket.AF_INET6, fullHost)
if hostFromAddrMessage == "":
# 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, hostFromAddrMessage):
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.
shared.knownNodesLock.acquire()
shared.knownNodes[recaddrStream] = {}
shared.knownNodesLock.release()
peerFromAddrMessage = shared.Peer(hostFromAddrMessage, 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.
shared.knownNodesLock.acquire()
shared.knownNodes[recaddrStream][peerFromAddrMessage] = timeSomeoneElseReceivedMessageFromThisNode
shared.knownNodesLock.release()
with shared.printLock:
print "added new node", peerFromAddrMessage, "to knownNodes in stream", recaddrStream
shared.needToWriteKnownNodesToDisk = True
hostDetails = (
timeSomeoneElseReceivedMessageFromThisNode,
recaddrStream,
recaddrServices,
hostFromAddrMessage,
recaddrPort,
)
# listOfAddressDetailsToBroadcastToPeers.append(hostDetails)
shared.broadcastToSendDataQueues((self.streamNumber, "advertisepeer", hostDetails))
else:
timeLastReceivedMessageFromThisNode = shared.knownNodes[recaddrStream][
peerFromAddrMessage
] # PORT in this case is either the port we used to connect to the remote node, or the port that was specified by someone else in a past addr message.
if (timeLastReceivedMessageFromThisNode < timeSomeoneElseReceivedMessageFromThisNode) and (
timeSomeoneElseReceivedMessageFromThisNode < int(time.time())
):
shared.knownNodesLock.acquire()
shared.knownNodes[recaddrStream][peerFromAddrMessage] = timeSomeoneElseReceivedMessageFromThisNode
shared.knownNodesLock.release()
# if listOfAddressDetailsToBroadcastToPeers != []:
# self.broadcastaddr(listOfAddressDetailsToBroadcastToPeers)
with shared.printLock:
print "knownNodes currently has", len(shared.knownNodes[self.streamNumber]), "nodes for this stream."
def requestPubKey(self, toAddress):
toStatus, addressVersionNumber, streamNumber, ripe = decodeAddress(
toAddress)
if toStatus != 'success':
return
queryReturn = sqlQuery(
'''SELECT retrynumber FROM sent WHERE toaddress=? AND (status='doingpubkeypow' OR status='awaitingpubkey') LIMIT 1''',
toAddress)
if len(queryReturn) == 0:
return
retryNumber = queryReturn[0][0]
if addressVersionNumber <= 3:
shared.neededPubkeys[toAddress] = 0
elif addressVersionNumber >= 4:
# If the user just clicked 'send' then the tag (and other information) will already
# be in the neededPubkeys dictionary. But if we are recovering from a restart
# of the client then we have to put it in now.
privEncryptionKey = hashlib.sha512(
hashlib.sha512(
encodeVarint(addressVersionNumber) +
encodeVarint(streamNumber) + ripe).digest()
).digest(
)[:32] # Note that this is the first half of the sha512 hash.
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:
shared.neededPubkeys[tag] = (
toAddress,
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.
if retryNumber == 0:
TTL = 2.5 * 24 * 60 * 60 # 2.5 days. This was chosen fairly arbitrarily.
else:
TTL = 28 * 24 * 60 * 60
TTL = TTL + random.randrange(-300,
300) # add some randomness to the TTL
embeddedTime = int(time.time() + TTL)
payload = pack('>Q', embeddedTime)
payload += '\x00\x00\x00\x00' # object type: getpubkey
payload += encodeVarint(addressVersionNumber)
payload += encodeVarint(streamNumber)
if addressVersionNumber <= 3:
payload += ripe
else:
payload += tag
statusbar = 'Doing the computations necessary to request the recipient\'s public key.'
target = 2**64 / (
shared.networkDefaultProofOfWorkNonceTrialsPerByte *
(len(payload) + 8 + shared.networkDefaultPayloadLengthExtraBytes +
((TTL * (len(payload) + 8 +
shared.networkDefaultPayloadLengthExtraBytes)) /
(2**16))))
initialHash = hashlib.sha512(payload).digest()
trialValue, nonce = proofofwork.run(target, initialHash)
payload = pack('>Q', nonce) + payload
inventoryHash = calculateInventoryHash(payload)
objectType = 1
shared.inventory[inventoryHash] = (objectType, streamNumber, payload,
embeddedTime, '')
shared.inventorySets[streamNumber].add(inventoryHash)
shared.broadcastToSendDataQueues(
(streamNumber, 'advertiseobject', inventoryHash))
if retryNumber == 0:
sleeptill = int(time.time()) + TTL
else:
sleeptill = int(time.time()) + 28 * 24 * 60 * 60 * 2**retryNumber
sqlExecute(
'''UPDATE sent SET lastactiontime=?, status='awaitingpubkey', retrynumber=?, sleeptill=? WHERE toaddress=? AND (status='doingpubkeypow' OR status='awaitingpubkey') ''',
int(time.time()), retryNumber + 1, sleeptill, toAddress)
def processMessageWithPOWStatus(self):
ret = sqlQuery(
'''SELECT toaddress, fromaddress, subject, message, ackdata, status, ttl, retrynumber FROM sent WHERE (status='doingmsgpow' or status='forcepow') and folder='sent' '''
)
for row in ret:
# Decode data from query
toaddress, fromaddress, subject, message, ackdata, status, TTL, retryNumber = row
toStatus, toAddressVersionNumber, toStreamNumber, toRipe = decodeAddress(
toaddress)
fromStatus, fromAddressVersionNumber, fromStreamNumber, fromRipe = decodeAddress(
fromaddress)
# Set TTL
if retryNumber == 0:
if TTL > 28 * 24 * 60 * 60:
TTL = 28 * 24 * 60 * 60
else:
TTL = 28 * 24 * 60 * 60
TTL = int(
TTL +
random.randrange(-300, 300)) # add some randomness to the TTL
embeddedTime = int(time.time() + TTL)
# Get pubkey
if not shared.config.has_section(
toaddress
): # if we aren't sending this to ourselves or a chan
shared.ackdataForWhichImWatching[ackdata] = 0
# Let us fetch the recipient's public key out of our database. If
# the required proof of work difficulty is too hard then we'll
# abort.
pubkeyPayload = shared.hadPubkeys[toaddress][2]
# The pubkey message is stored with the following items all appended:
# -address version
# -stream number
# -behavior bitfield
# -pub signing key
# -pub encryption key
# -nonce trials per byte (if address version is >= 3)
# -length extra bytes (if address version is >= 3)
readPosition = 1 # to bypass the address version whose length is definitely 1
streamNumber, streamNumberLength = decodeVarint(
pubkeyPayload[readPosition:readPosition + 10])
readPosition += streamNumberLength
behaviorBitfield = pubkeyPayload[readPosition:readPosition + 4]
# Mobile users may ask us to include their address's RIPE hash on a message
# unencrypted. Before we actually do it the sending human must check a box
# in the settings menu to allow it.
if shared.isBitSetWithinBitfield(
behaviorBitfield, 30
): # if receiver is a mobile device who expects that their address RIPE is included unencrypted on the front of the message..
if not shared.safeConfigGetBoolean(
'bitmessagesettings', 'willinglysendtomobile'
): # if we are Not willing to include the receiver's RIPE hash on the message..
# if the human changes their setting and then sends another message or restarts their client, this one will send at that time.
continue
readPosition += 4 # to bypass the bitfield of behaviors
# pubSigningKeyBase256 = pubkeyPayload[readPosition:readPosition+64] # We don't use this key for anything here.
readPosition += 64
pubEncryptionKeyBase256 = pubkeyPayload[
readPosition:readPosition + 64]
readPosition += 64
# Let us fetch the amount of work required by the recipient.
if toAddressVersionNumber == 2:
requiredAverageProofOfWorkNonceTrialsPerByte = shared.networkDefaultProofOfWorkNonceTrialsPerByte
requiredPayloadLengthExtraBytes = shared.networkDefaultPayloadLengthExtraBytes
elif toAddressVersionNumber >= 3:
requiredAverageProofOfWorkNonceTrialsPerByte, varintLength = decodeVarint(
pubkeyPayload[readPosition:readPosition + 10])
readPosition += varintLength
requiredPayloadLengthExtraBytes, varintLength = decodeVarint(
pubkeyPayload[readPosition:readPosition + 10])
readPosition += varintLength
if requiredAverageProofOfWorkNonceTrialsPerByte < shared.networkDefaultProofOfWorkNonceTrialsPerByte: # We still have to meet a minimum POW difficulty regardless of what they say is allowed in order to get our message to propagate through the network.
requiredAverageProofOfWorkNonceTrialsPerByte = shared.networkDefaultProofOfWorkNonceTrialsPerByte
if requiredPayloadLengthExtraBytes < shared.networkDefaultPayloadLengthExtraBytes:
requiredPayloadLengthExtraBytes = shared.networkDefaultPayloadLengthExtraBytes
if status != 'forcepow':
if (requiredAverageProofOfWorkNonceTrialsPerByte >
shared.config.getint(
'bitmessagesettings',
'maxacceptablenoncetrialsperbyte')
and shared.config.getint(
'bitmessagesettings',
'maxacceptablenoncetrialsperbyte') != 0
) or (requiredPayloadLengthExtraBytes >
shared.config.getint(
'bitmessagesettings',
'maxacceptablepayloadlengthextrabytes')
and shared.config.getint(
'bitmessagesettings',
'maxacceptablepayloadlengthextrabytes')
!= 0):
# The demanded difficulty is more than we are willing
# to do.
sqlExecute(
'''UPDATE sent SET status='toodifficult' WHERE ackdata=? ''',
ackdata)
continue
else: # if we are sending a message to ourselves or a chan..
behaviorBitfield = '\x00\x00\x00\x01'
try:
privEncryptionKeyBase58 = shared.config.get(
toaddress, 'privencryptionkey')
except Exception as err:
continue
privEncryptionKeyHex = shared.decodeWalletImportFormat(
privEncryptionKeyBase58).encode('hex')
pubEncryptionKeyBase256 = highlevelcrypto.privToPub(
privEncryptionKeyHex).decode('hex')[1:]
requiredAverageProofOfWorkNonceTrialsPerByte = shared.networkDefaultProofOfWorkNonceTrialsPerByte
requiredPayloadLengthExtraBytes = shared.networkDefaultPayloadLengthExtraBytes
# Now we can start to assemble our message.
payload = encodeVarint(fromAddressVersionNumber)
payload += encodeVarint(fromStreamNumber)
payload += '\x00\x00\x00\x01' # Bitfield of features and behaviors that can be expected from me. (See https://bitmessage.org/wiki/Protocol_specification#Pubkey_bitfield_features )
# We need to convert our private keys to public keys in order
# to include them.
try:
privSigningKeyBase58 = shared.config.get(
fromaddress, 'privsigningkey')
privEncryptionKeyBase58 = shared.config.get(
fromaddress, 'privencryptionkey')
except:
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 fromAddressVersionNumber >= 3:
# 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.
payload += encodeVarint(
shared.config.getint(fromaddress, 'noncetrialsperbyte'))
payload += encodeVarint(
shared.config.getint(fromaddress,
'payloadlengthextrabytes'))
payload += toRipe # This hash will be checked by the receiver of the message to verify that toRipe 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'
messageToTransmit += 'Body:' + message
payload += encodeVarint(len(messageToTransmit))
payload += messageToTransmit
if shared.config.has_section(toaddress):
fullAckPayload = ''
elif not shared.isBitSetWithinBitfield(behaviorBitfield, 31):
fullAckPayload = ''
else:
fullAckPayload = self.generateFullAckMessage(
ackdata, toStreamNumber, TTL
) # 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
dataToSign = pack(
'>Q', embeddedTime) + '\x00\x00\x00\x02' + encodeVarint(
1) + encodeVarint(toStreamNumber) + payload
signature = highlevelcrypto.sign(dataToSign, 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:
sqlExecute(
'''UPDATE sent SET status='badkey' WHERE ackdata=?''',
ackdata)
continue
encryptedPayload = pack('>Q', embeddedTime)
encryptedPayload += '\x00\x00\x00\x02' # object type: msg
encryptedPayload += encodeVarint(1) # msg version
encryptedPayload += encodeVarint(toStreamNumber) + encrypted
target = 2**64 / (
requiredAverageProofOfWorkNonceTrialsPerByte *
(len(encryptedPayload) + 8 + requiredPayloadLengthExtraBytes +
((TTL * (len(encryptedPayload) + 8 +
requiredPayloadLengthExtraBytes)) / (2**16))))
powStartTime = time.time()
initialHash = hashlib.sha512(encryptedPayload).digest()
trialValue, nonce = proofofwork.run(target, initialHash)
encryptedPayload = pack('>Q', nonce) + encryptedPayload
# Sanity check. The encryptedPayload size should never be larger than 256 KiB. There should
# be checks elsewhere in the code to not let the user try to send a message this large
# until we implement message continuation.
if len(encryptedPayload) > 2**18: # 256 KiB
print "The payload is lager than 256KiB,So the loop will continue"
continue
inventoryHash = calculateInventoryHash(encryptedPayload)
objectType = 2
shared.inventory[inventoryHash] = (objectType, toStreamNumber,
encryptedPayload, embeddedTime,
'')
shared.inventorySets[toStreamNumber].add(inventoryHash)
shared.broadcastToSendDataQueues(
(toStreamNumber, 'advertiseobject', inventoryHash))
# Update the sent message in the sent table with the necessary information.
if shared.config.has_section(toaddress):
newStatus = 'msgsentnoackexpected'
else:
newStatus = 'msgsent'
if retryNumber == 0:
sleepTill = int(time.time()) + TTL
else:
sleepTill = int(
time.time()) + 28 * 24 * 60 * 60 * 2**retryNumber
sqlExecute(
'''UPDATE sent SET msgid=?, status=?, retrynumber=?, sleeptill=?, lastactiontime=? WHERE ackdata=?''',
inventoryHash, newStatus, retryNumber + 1, sleepTill,
int(time.time()), ackdata)
# If we are sending to ourselves or a chan, let's put the message in our own inbox.
if shared.config.has_section(toaddress):
sigHash = hashlib.sha512(hashlib.sha512(signature).digest(
)).digest(
)[32:] # Used to detect and ignore duplicate messages in our inbox
t = (inventoryHash, toaddress, fromaddress, subject,
int(time.time()), message, 'inbox', 2, 0, sigHash)
shared.messages.append(t)
def sendOutOrStoreMyV3Pubkey(self, hash):
try:
myAddress = shared.myAddressesByHash[hash]
except:
#The address has been deleted.
return
if shared.safeConfigGetBoolean(myAddress, 'chan'):
return
status, addressVersionNumber, streamNumber, hash = decodeAddress(
myAddress)
TTL = int(28 * 24 * 60 * 60 + random.randrange(
-300, 300)) # 28 days from now plus or minus five minutes
embeddedTime = int(time.time() + TTL)
signedTimeForProtocolV2 = embeddedTime - TTL
"""
According to the protocol specification, the expiresTime along with the pubkey information is
signed. But to be backwards compatible during the upgrade period, we shall sign not the
expiresTime but rather the current time. There must be precisely a 28 day difference
between the two. After the upgrade period we'll switch to signing the whole payload with the
expiresTime time.
"""
payload = pack('>Q', (embeddedTime))
payload += '\x00\x00\x00\x01' # object type: pubkey
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:
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
# Do the POW for this pubkey message
target = 2**64 / (
shared.networkDefaultProofOfWorkNonceTrialsPerByte *
(len(payload) + 8 + shared.networkDefaultPayloadLengthExtraBytes +
((TTL * (len(payload) + 8 +
shared.networkDefaultPayloadLengthExtraBytes)) /
(2**16))))
initialHash = hashlib.sha512(payload).digest()
trialValue, nonce = proofofwork.run(target, initialHash)
payload = pack('>Q', nonce) + payload
inventoryHash = calculateInventoryHash(payload)
objectType = 1
shared.inventory[inventoryHash] = (objectType, streamNumber, payload,
embeddedTime, '')
shared.inventorySets[streamNumber].add(inventoryHash)
shared.broadcastToSendDataQueues(
(streamNumber, 'advertiseobject', inventoryHash))
try:
shared.config.set(myAddress, 'lastpubkeysendtime',
str(int(time.time())))
shared.writeKeysFile()
except:
# The user deleted the address out of the keys.dat file before this
# finished.
pass
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
time.sleep(300)
def sendMsg(self):
# Check to see if there are any messages queued to be sent
shared.sqlLock.acquire()
shared.sqlSubmitQueue.put(
'''SELECT DISTINCT toaddress FROM sent WHERE (status='msgqueued' AND folder='sent')''')
shared.sqlSubmitQueue.put('')
queryreturn = shared.sqlReturnQueue.get()
shared.sqlLock.release()
for row in queryreturn: # For each address to which we need to send a message, check to see if we have its pubkey already.
toaddress, = row
toripe = decodeAddress(toaddress)[3]
shared.sqlLock.acquire()
shared.sqlSubmitQueue.put(
'''SELECT hash FROM pubkeys WHERE hash=? ''')
shared.sqlSubmitQueue.put((toripe,))
queryreturn = shared.sqlReturnQueue.get()
shared.sqlLock.release()
if queryreturn != []: # If we have the needed pubkey, set the status to doingmsgpow (we'll do it further down)
t = (toaddress,)
shared.sqlLock.acquire()
shared.sqlSubmitQueue.put(
'''UPDATE sent SET status='doingmsgpow' WHERE toaddress=? AND status='msgqueued' ''')
shared.sqlSubmitQueue.put(t)
shared.sqlReturnQueue.get()
shared.sqlSubmitQueue.put('commit')
shared.sqlLock.release()
else: # We don't have the needed pubkey. Set the status to 'awaitingpubkey' and request it if we haven't already
if toripe in shared.neededPubkeys:
# We already sent a request for the pubkey
t = (toaddress,)
shared.sqlLock.acquire()
shared.sqlSubmitQueue.put(
'''UPDATE sent SET status='awaitingpubkey' WHERE toaddress=? AND status='msgqueued' ''')
shared.sqlSubmitQueue.put(t)
shared.sqlReturnQueue.get()
shared.sqlSubmitQueue.put('commit')
shared.sqlLock.release()
shared.UISignalQueue.put(('updateSentItemStatusByHash', (
toripe, tr.translateText("MainWindow",'Encryption key was requested earlier.'))))
else:
# We have not yet sent a request for the pubkey
t = (toaddress,)
shared.sqlLock.acquire()
shared.sqlSubmitQueue.put(
'''UPDATE sent SET status='doingpubkeypow' WHERE toaddress=? AND status='msgqueued' ''')
shared.sqlSubmitQueue.put(t)
shared.sqlReturnQueue.get()
shared.sqlSubmitQueue.put('commit')
shared.sqlLock.release()
shared.UISignalQueue.put(('updateSentItemStatusByHash', (
toripe, tr.translateText("MainWindow",'Sending a request for the recipient\'s encryption key.'))))
self.requestPubKey(toaddress)
shared.sqlLock.acquire()
# Get all messages that are ready to be sent, and also all messages
# which we have sent in the last 28 days which were previously marked
# as 'toodifficult'. If the user as raised the maximum acceptable
# difficulty then those messages may now be sendable.
shared.sqlSubmitQueue.put(
'''SELECT toaddress, toripe, fromaddress, subject, message, ackdata, status FROM sent WHERE (status='doingmsgpow' or status='forcepow' or (status='toodifficult' and lastactiontime>?)) and folder='sent' ''')
shared.sqlSubmitQueue.put((int(time.time()) - 2419200,))
queryreturn = shared.sqlReturnQueue.get()
shared.sqlLock.release()
for row in queryreturn: # For each message we need to send..
toaddress, toripe, fromaddress, subject, message, ackdata, status = row
# There is a remote possibility that we may no longer have the
# recipient's pubkey. Let us make sure we still have it or else the
# sendMsg function will appear to freeze. This can happen if the
# user sends a message but doesn't let the POW function finish,
# then leaves their client off for a long time which could cause
# the needed pubkey to expire and be deleted.
shared.sqlLock.acquire()
shared.sqlSubmitQueue.put(
'''SELECT hash FROM pubkeys WHERE hash=? ''')
shared.sqlSubmitQueue.put((toripe,))
queryreturn = shared.sqlReturnQueue.get()
shared.sqlLock.release()
if queryreturn == [] and toripe not in shared.neededPubkeys:
# We no longer have the needed pubkey and we haven't requested
# it.
with shared.printLock:
sys.stderr.write(
'For some reason, the status of a message in our outbox is \'doingmsgpow\' even though we lack the pubkey. Here is the RIPE hash of the needed pubkey: %s\n' % toripe.encode('hex'))
t = (toaddress,)
shared.sqlLock.acquire()
shared.sqlSubmitQueue.put(
'''UPDATE sent SET status='msgqueued' WHERE toaddress=? AND status='doingmsgpow' ''')
shared.sqlSubmitQueue.put(t)
shared.sqlReturnQueue.get()
shared.sqlSubmitQueue.put('commit')
shared.sqlLock.release()
shared.UISignalQueue.put(('updateSentItemStatusByHash', (
toripe, tr.translateText("MainWindow",'Sending a request for the recipient\'s encryption key.'))))
self.requestPubKey(toaddress)
continue
shared.ackdataForWhichImWatching[ackdata] = 0
toStatus, toAddressVersionNumber, toStreamNumber, toHash = decodeAddress(
toaddress)
fromStatus, fromAddressVersionNumber, fromStreamNumber, fromHash = decodeAddress(
fromaddress)
shared.UISignalQueue.put(('updateSentItemStatusByAckdata', (
ackdata, tr.translateText("MainWindow", "Looking up the receiver\'s public key"))))
with shared.printLock:
print 'Found a message in our database that needs to be sent with this pubkey.'
print 'First 150 characters of message:', repr(message[:150])
# mark the pubkey as 'usedpersonally' so that we don't ever delete
# it.
shared.sqlLock.acquire()
t = (toripe,)
shared.sqlSubmitQueue.put(
'''UPDATE pubkeys SET usedpersonally='yes' WHERE hash=?''')
shared.sqlSubmitQueue.put(t)
shared.sqlReturnQueue.get()
shared.sqlSubmitQueue.put('commit')
# Let us fetch the recipient's public key out of our database. If
# the required proof of work difficulty is too hard then we'll
# abort.
shared.sqlSubmitQueue.put(
'SELECT transmitdata FROM pubkeys WHERE hash=?')
shared.sqlSubmitQueue.put((toripe,))
queryreturn = shared.sqlReturnQueue.get()
shared.sqlLock.release()
if queryreturn == []:
with shared.printLock:
sys.stderr.write(
'(within sendMsg) The needed pubkey was not found. This should never happen. Aborting send.\n')
return
for row in queryreturn:
pubkeyPayload, = row
# The pubkey message is stored the way we originally received it
# which means that we need to read beyond things like the nonce and
# time to get to the actual public keys.
readPosition = 8 # to bypass the nonce
pubkeyEmbeddedTime, = unpack(
'>I', pubkeyPayload[readPosition:readPosition + 4])
# This section is used for the transition from 32 bit time to 64
# bit time in the protocol.
if pubkeyEmbeddedTime == 0:
pubkeyEmbeddedTime, = unpack(
'>Q', pubkeyPayload[readPosition:readPosition + 8])
readPosition += 8
else:
readPosition += 4
readPosition += 1 # to bypass the address version whose length is definitely 1
streamNumber, streamNumberLength = decodeVarint(
pubkeyPayload[readPosition:readPosition + 10])
readPosition += streamNumberLength
behaviorBitfield = pubkeyPayload[readPosition:readPosition + 4]
readPosition += 4 # to bypass the bitfield of behaviors
# pubSigningKeyBase256 =
# pubkeyPayload[readPosition:readPosition+64] #We don't use this
# key for anything here.
readPosition += 64
pubEncryptionKeyBase256 = pubkeyPayload[
readPosition:readPosition + 64]
readPosition += 64
if toAddressVersionNumber == 2:
requiredAverageProofOfWorkNonceTrialsPerByte = shared.networkDefaultProofOfWorkNonceTrialsPerByte
requiredPayloadLengthExtraBytes = shared.networkDefaultPayloadLengthExtraBytes
shared.UISignalQueue.put(('updateSentItemStatusByAckdata', (
ackdata, tr.translateText("MainWindow", "Doing work necessary to send message.\nThere is no required difficulty for version 2 addresses like this."))))
elif toAddressVersionNumber == 3:
requiredAverageProofOfWorkNonceTrialsPerByte, varintLength = decodeVarint(
pubkeyPayload[readPosition:readPosition + 10])
readPosition += varintLength
requiredPayloadLengthExtraBytes, varintLength = decodeVarint(
pubkeyPayload[readPosition:readPosition + 10])
readPosition += varintLength
if requiredAverageProofOfWorkNonceTrialsPerByte < shared.networkDefaultProofOfWorkNonceTrialsPerByte: # We still have to meet a minimum POW difficulty regardless of what they say is allowed in order to get our message to propagate through the network.
requiredAverageProofOfWorkNonceTrialsPerByte = shared.networkDefaultProofOfWorkNonceTrialsPerByte
if requiredPayloadLengthExtraBytes < shared.networkDefaultPayloadLengthExtraBytes:
requiredPayloadLengthExtraBytes = shared.networkDefaultPayloadLengthExtraBytes
shared.UISignalQueue.put(('updateSentItemStatusByAckdata', (ackdata, tr.translateText("MainWindow", "Doing work necessary to send message.\nReceiver\'s required difficulty: %1 and %2").arg(str(float(
requiredAverageProofOfWorkNonceTrialsPerByte) / shared.networkDefaultProofOfWorkNonceTrialsPerByte)).arg(str(float(requiredPayloadLengthExtraBytes) / shared.networkDefaultPayloadLengthExtraBytes)))))
if status != 'forcepow':
if (requiredAverageProofOfWorkNonceTrialsPerByte > shared.config.getint('bitmessagesettings', 'maxacceptablenoncetrialsperbyte') and shared.config.getint('bitmessagesettings', 'maxacceptablenoncetrialsperbyte') != 0) or (requiredPayloadLengthExtraBytes > shared.config.getint('bitmessagesettings', 'maxacceptablepayloadlengthextrabytes') and shared.config.getint('bitmessagesettings', 'maxacceptablepayloadlengthextrabytes') != 0):
# The demanded difficulty is more than we are willing
# to do.
shared.sqlLock.acquire()
t = (ackdata,)
shared.sqlSubmitQueue.put(
'''UPDATE sent SET status='toodifficult' WHERE ackdata=? ''')
shared.sqlSubmitQueue.put(t)
shared.sqlReturnQueue.get()
shared.sqlSubmitQueue.put('commit')
shared.sqlLock.release()
shared.UISignalQueue.put(('updateSentItemStatusByAckdata', (ackdata, tr.translateText("MainWindow", "Problem: The work demanded by the recipient (%1 and %2) is more difficult than you are willing to do.").arg(str(float(requiredAverageProofOfWorkNonceTrialsPerByte) / shared.networkDefaultProofOfWorkNonceTrialsPerByte)).arg(str(float(
requiredPayloadLengthExtraBytes) / shared.networkDefaultPayloadLengthExtraBytes)).arg(unicode(strftime(shared.config.get('bitmessagesettings', 'timeformat'), localtime(int(time.time()))), 'utf-8')))))
continue
embeddedTime = pack('>Q', (int(time.time()) + random.randrange(
-300, 300))) # the current time plus or minus five minutes. We will use this time both for our message and for the ackdata packed within our message.
if fromAddressVersionNumber == 2:
payload = '\x01' # Message version.
payload += encodeVarint(fromAddressVersionNumber)
payload += encodeVarint(fromStreamNumber)
payload += '\x00\x00\x00\x01' # Bitfield of features and behaviors that can be expected from me. (See https://bitmessage.org/wiki/Protocol_specification#Pubkey_bitfield_features )
# We need to convert our private keys to public keys in order
# to include them.
try:
privSigningKeyBase58 = shared.config.get(
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:]
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
if fromAddressVersionNumber == 3:
payload = '\x01' # Message version.
payload += encodeVarint(fromAddressVersionNumber)
payload += encodeVarint(fromStreamNumber)
payload += '\x00\x00\x00\x01' # Bitfield of features and behaviors that can be expected from me. (See https://bitmessage.org/wiki/Protocol_specification#Pubkey_bitfield_features )
# We need to convert our private keys to public keys in order
# to include them.
try:
privSigningKeyBase58 = shared.config.get(
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()
def doPOWForMyV3Pubkey(self, hash): # This function also broadcasts out the pubkey message once it is done with the POW
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 doPOWForMyV3Pubkey. 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
# 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
"""t = (hash,payload,embeddedTime,'no')
shared.sqlLock.acquire()
shared.sqlSubmitQueue.put('''INSERT INTO pubkeys VALUES (?,?,?,?)''')
shared.sqlSubmitQueue.put(t)
queryreturn = shared.sqlReturnQueue.get()
shared.sqlSubmitQueue.put('commit')
shared.sqlLock.release()"""
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', ''))
shared.config.set(
myAddress, 'lastpubkeysendtime', str(int(time.time())))
with open(shared.appdata + 'keys.dat', 'wb') as configfile:
shared.config.write(configfile)
def run(self):
timeWeLastClearedInventoryAndPubkeysTables = 0
try:
shared.maximumLengthOfTimeToBotherResendingMessages = (float(shared.config.get('bitmessagesettings', 'stopresendingafterxdays')) * 24 * 60 * 60) + (float(shared.config.get('bitmessagesettings', 'stopresendingafterxmonths')) * (60 * 60 * 24 *365)/12)
except:
# Either the user hasn't set stopresendingafterxdays and stopresendingafterxmonths yet or the options are missing from the config file.
shared.maximumLengthOfTimeToBotherResendingMessages = float('inf')
while True:
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, expiresTime, tag = storedValue
sql.execute(
'''INSERT INTO inventory VALUES (?,?,?,?,?,?)''',
hash,
objectType,
streamNumber,
payload,
expiresTime,
tag)
del shared.inventory[hash]
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 timeWeLastClearedInventoryAndPubkeysTables < int(time.time()) - 7380:
timeWeLastClearedInventoryAndPubkeysTables = int(time.time())
sqlExecute(
'''DELETE FROM inventory WHERE expirestime<? ''',
int(time.time()) - (60 * 60 * 3))
# Let us resend getpubkey objects if we have not yet heard a pubkey, and also msg objects if we have not yet heard an acknowledgement
queryreturn = sqlQuery(
'''select toaddress, ackdata, status FROM sent WHERE ((status='awaitingpubkey' OR status='msgsent') AND folder='sent' AND sleeptill<? AND senttime>?) ''',
int(time.time()),
int(time.time()) - shared.maximumLengthOfTimeToBotherResendingMessages)
for row in queryreturn:
if len(row) < 2:
time.sleep(3)
break
toAddress, ackData, status = row
if status == 'awaitingpubkey':
resendPubkeyRequest(toAddress)
elif status == 'msgsent':
resendMsg(ackData)
# 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, expiresTime, tag = storedValue
if not streamNumber in shared.inventorySets:
shared.inventorySets[streamNumber] = set()
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):
os._exit(0)
shared.knownNodesLock.release()
shared.needToWriteKnownNodesToDisk = False
time.sleep(300)
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 doPOWForMyV2Pubkey(self, hash): # This function also broadcasts out the pubkey message once it is done with the POW
# Look up my stream number based on my address hash
"""configSections = shared.config.sections()
for addressInKeysFile in configSections:
if addressInKeysFile <> 'bitmessagesettings':
status,addressVersionNumber,streamNumber,hashFromThisParticularAddress = decodeAddress(addressInKeysFile)
if hash == hashFromThisParticularAddress:
myAddress = addressInKeysFile
break"""
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 doPOWForMyV2Pubkey. 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:]
# 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
"""t = (hash,payload,embeddedTime,'no')
shared.sqlLock.acquire()
shared.sqlSubmitQueue.put('''INSERT INTO pubkeys VALUES (?,?,?,?)''')
shared.sqlSubmitQueue.put(t)
queryreturn = shared.sqlReturnQueue.get()
shared.sqlSubmitQueue.put('commit')
shared.sqlLock.release()"""
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', ''))
shared.config.set(
myAddress, 'lastpubkeysendtime', str(int(time.time())))
with open(shared.appdata + 'keys.dat', 'wb') as configfile:
shared.config.write(configfile)
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':
if int(time.time()) - lastactiontime > (
shared.
maximumAgeOfAnObjectThatIAmWillingToAccept *
(2**(pubkeyretrynumber))):
print 'It has been a long time and we haven\'t heard a response to our getpubkey request. Sending again.'
try:
del shared.neededPubkeys[
toripe] # We need to take this entry out of the shared.neededPubkeys structure because the shared.workerQueue checks to see whether the entry is already present and will not do the POW and send the message because it assumes that it has already done it recently.
except:
pass
shared.UISignalQueue.put((
'updateStatusBar',
'Doing work necessary to again attempt to request a public key...'
))
t = ()
sqlExecute(
'''UPDATE sent SET lastactiontime=?, pubkeyretrynumber=?, status='msgqueued' WHERE toripe=?''',
int(time.time()), pubkeyretrynumber + 1,
toripe)
shared.workerQueue.put(('sendmessage', ''))
else: # status == msgsent
if int(time.time()) - lastactiontime > (
shared.
maximumAgeOfAnObjectThatIAmWillingToAccept *
(2**(msgretrynumber))):
print 'It has been a long time and we haven\'t heard an acknowledgement to our msg. Sending again.'
sqlExecute(
'''UPDATE sent SET lastactiontime=?, msgretrynumber=?, status=? WHERE ackdata=?''',
int(time.time()), msgretrynumber + 1,
'msgqueued', ackdata)
shared.workerQueue.put(('sendmessage', ''))
shared.UISignalQueue.put((
'updateStatusBar',
'Doing work necessary to again attempt to deliver a message...'
))
# 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
time.sleep(300)
def run(self):
timeWeLastClearedInventoryAndPubkeysTables = 0
try:
shared.maximumLengthOfTimeToBotherResendingMessages = (float(shared.config.get('bitmessagesettings', 'stopresendingafterxdays')) * 24 * 60 * 60) + (float(shared.config.get('bitmessagesettings', 'stopresendingafterxmonths')) * (60 * 60 * 24 *365)/12)
except:
# Either the user hasn't set stopresendingafterxdays and stopresendingafterxmonths yet or the options are missing from the config file.
shared.maximumLengthOfTimeToBotherResendingMessages = float('inf')
while shared.shutdown == 0:
shared.UISignalQueue.put((
'updateStatusBar', 'Doing housekeeping (Flushing inventory in memory to disk...)'))
shared.inventory.flush()
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())
shared.inventory.clean()
# pubkeys
sqlExecute(
'''DELETE FROM pubkeys WHERE time<? AND usedpersonally='no' ''',
int(time.time()) - shared.lengthOfTimeToHoldOnToAllPubkeys)
# Let us resend getpubkey objects if we have not yet heard a pubkey, and also msg objects if we have not yet heard an acknowledgement
queryreturn = sqlQuery(
'''select toaddress, ackdata, status FROM sent WHERE ((status='awaitingpubkey' OR status='msgsent') AND folder='sent' AND sleeptill<? AND senttime>?) ''',
int(time.time()),
int(time.time()) - shared.maximumLengthOfTimeToBotherResendingMessages)
for row in queryreturn:
if len(row) < 2:
logger.error('Something went wrong in the singleCleaner thread: a query did not return the requested fields. ' + repr(row))
self.stop.wait(3)
break
toAddress, ackData, status = row
if status == 'awaitingpubkey':
resendPubkeyRequest(toAddress)
elif status == 'msgsent':
resendMsg(ackData)
# cleanup old nodes
now = int(time.time())
toDelete = []
shared.knownNodesLock.acquire()
for stream in shared.knownNodes:
for node in shared.knownNodes[stream].keys():
if now - shared.knownNodes[stream][node] > 2419200: # 28 days
shared.needToWriteKownNodesToDisk = True
del shared.knownNodes[stream][node]
shared.knownNodesLock.release()
# 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._translate("MainWindow", "Disk full"), tr._translate("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
self.stop.wait(300)
def sendBroadcast(self):
shared.sqlLock.acquire()
t = ('broadcastqueued',)
shared.sqlSubmitQueue.put(
'''SELECT fromaddress, subject, message, ackdata FROM sent WHERE status=? and folder='sent' ''')
shared.sqlSubmitQueue.put(t)
queryreturn = shared.sqlReturnQueue.get()
shared.sqlLock.release()
for row in queryreturn:
fromaddress, subject, body, ackdata = row
status, addressVersionNumber, streamNumber, ripe = decodeAddress(
fromaddress)
"""if addressVersionNumber == 2 and int(time.time()) < shared.encryptedBroadcastSwitchoverTime:
# We need to convert our private keys to public keys in order
# to include them.
try:
privSigningKeyBase58 = shared.config.get(
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') # At this time these pubkeys are 65 bytes long because they include the encoding byte which we won't be sending in the broadcast message.
pubEncryptionKey = highlevelcrypto.privToPub(
privEncryptionKeyHex).decode('hex')
payload = pack('>Q', (int(time.time()) + random.randrange(
-300, 300))) # the current time plus or minus five minutes
payload += encodeVarint(1) # broadcast version
payload += encodeVarint(addressVersionNumber)
payload += encodeVarint(streamNumber)
payload += '\x00\x00\x00\x01' # behavior bitfield
payload += pubSigningKey[1:]
payload += pubEncryptionKey[1:]
payload += ripe
payload += '\x02' # message encoding type
payload += encodeVarint(len(
'Subject:' + subject + '\n' + 'Body:' + body)) # Type 2 is simple UTF-8 message encoding.
payload += 'Subject:' + subject + '\n' + 'Body:' + body
signature = highlevelcrypto.sign(payload, privSigningKeyHex)
payload += encodeVarint(len(signature))
payload += signature
target = 2 ** 64 / ((len(
payload) + shared.networkDefaultPayloadLengthExtraBytes + 8) * shared.networkDefaultProofOfWorkNonceTrialsPerByte)
print '(For broadcast message) Doing proof of work...'
shared.UISignalQueue.put(('updateSentItemStatusByAckdata', (
ackdata, tr.translateText("MainWindow", "Doing work necessary to send broadcast..."))))
initialHash = hashlib.sha512(payload).digest()
trialValue, nonce = proofofwork.run(target, initialHash)
print '(For broadcast message) Found proof of work', trialValue, 'Nonce:', nonce
payload = pack('>Q', nonce) + payload
inventoryHash = calculateInventoryHash(payload)
objectType = 'broadcast'
shared.inventory[inventoryHash] = (
objectType, streamNumber, payload, int(time.time()))
print 'Broadcasting inv for my broadcast (within sendBroadcast function):', inventoryHash.encode('hex')
shared.broadcastToSendDataQueues((
streamNumber, 'sendinv', inventoryHash))
shared.UISignalQueue.put(('updateSentItemStatusByAckdata', (ackdata, tr.translateText("MainWindow", "Broadcast sent on %1").arg(unicode(
strftime(shared.config.get('bitmessagesettings', 'timeformat'), localtime(int(time.time()))), 'utf-8')))))
# Update the status of the message in the 'sent' table to have
# a 'broadcastsent' status
shared.sqlLock.acquire()
t = ('broadcastsent', int(
time.time()), fromaddress, subject, body, 'broadcastqueued')
shared.sqlSubmitQueue.put(
'UPDATE sent SET status=?, lastactiontime=? WHERE fromaddress=? AND subject=? AND message=? AND status=?')
shared.sqlSubmitQueue.put(t)
queryreturn = shared.sqlReturnQueue.get()
shared.sqlSubmitQueue.put('commit')
shared.sqlLock.release()"""
if addressVersionNumber == 2 or addressVersionNumber == 3:
# We need to convert our private keys to public keys in order
# to include them.
try:
privSigningKeyBase58 = shared.config.get(
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') # At this time these pubkeys are 65 bytes long because they include the encoding byte which we won't be sending in the broadcast message.
pubEncryptionKey = highlevelcrypto.privToPub(
privEncryptionKeyHex).decode('hex')
payload = pack('>Q', (int(time.time()) + random.randrange(
-300, 300))) # the current time plus or minus five minutes
payload += encodeVarint(2) # broadcast version
payload += encodeVarint(streamNumber)
dataToEncrypt = encodeVarint(2) # broadcast version
dataToEncrypt += encodeVarint(addressVersionNumber)
dataToEncrypt += encodeVarint(streamNumber)
dataToEncrypt += '\x00\x00\x00\x01' # behavior bitfield
dataToEncrypt += pubSigningKey[1:]
dataToEncrypt += pubEncryptionKey[1:]
if addressVersionNumber >= 3:
dataToEncrypt += encodeVarint(shared.config.getint(fromaddress,'noncetrialsperbyte'))
dataToEncrypt += encodeVarint(shared.config.getint(fromaddress,'payloadlengthextrabytes'))
dataToEncrypt += '\x02' # message encoding type
dataToEncrypt += encodeVarint(len('Subject:' + subject + '\n' + 'Body:' + body)) #Type 2 is simple UTF-8 message encoding per the documentation on the wiki.
dataToEncrypt += 'Subject:' + subject + '\n' + 'Body:' + body
signature = highlevelcrypto.sign(
dataToEncrypt, privSigningKeyHex)
dataToEncrypt += encodeVarint(len(signature))
dataToEncrypt += signature
# Encrypt the broadcast with the information contained in the broadcaster's address. Anyone who knows the address can generate
# the private encryption key to decrypt the broadcast. This provides virtually no privacy; its purpose is to keep questionable
# and illegal content from flowing through the Internet connections and being stored on the disk of 3rd parties.
privEncryptionKey = hashlib.sha512(encodeVarint(
addressVersionNumber) + encodeVarint(streamNumber) + ripe).digest()[:32]
pubEncryptionKey = pointMult(privEncryptionKey)
payload += highlevelcrypto.encrypt(
dataToEncrypt, pubEncryptionKey.encode('hex'))
target = 2 ** 64 / ((len(
payload) + shared.networkDefaultPayloadLengthExtraBytes + 8) * shared.networkDefaultProofOfWorkNonceTrialsPerByte)
print '(For broadcast message) Doing proof of work...'
shared.UISignalQueue.put(('updateSentItemStatusByAckdata', (
ackdata, tr.translateText("MainWindow", "Doing work necessary to send broadcast..."))))
initialHash = hashlib.sha512(payload).digest()
trialValue, nonce = proofofwork.run(target, initialHash)
print '(For broadcast message) Found proof of work', trialValue, 'Nonce:', nonce
payload = pack('>Q', nonce) + payload
inventoryHash = calculateInventoryHash(payload)
objectType = 'broadcast'
shared.inventory[inventoryHash] = (
objectType, streamNumber, payload, int(time.time()))
print 'sending inv (within sendBroadcast function)'
shared.broadcastToSendDataQueues((
streamNumber, 'sendinv', inventoryHash))
shared.UISignalQueue.put(('updateSentItemStatusByAckdata', (ackdata, tr.translateText("MainWindow", "Broadcast sent on %1").arg(unicode(
strftime(shared.config.get('bitmessagesettings', 'timeformat'), localtime(int(time.time()))), 'utf-8')))))
# Update the status of the message in the 'sent' table to have
# a 'broadcastsent' status
shared.sqlLock.acquire()
t = ('broadcastsent', int(
time.time()), fromaddress, subject, body, 'broadcastqueued')
shared.sqlSubmitQueue.put(
'UPDATE sent SET status=?, lastactiontime=? WHERE fromaddress=? AND subject=? AND message=? AND status=?')
shared.sqlSubmitQueue.put(t)
queryreturn = shared.sqlReturnQueue.get()
shared.sqlSubmitQueue.put('commit')
shared.sqlLock.release()
else:
with shared.printLock:
sys.stderr.write(
'Error: In the singleWorker thread, the sendBroadcast function doesn\'t understand the address version.\n')
def recversion(self, data):
if len(data) < 83:
# This version message is unreasonably short. Forget it.
return
if self.verackSent:
"""
We must have already processed the remote node's version message.
There might be a time in the future when we Do want to process
a new version message, like if the remote node wants to update
the streams in which they are interested. But for now we'll
ignore this version message
"""
return
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:
self.sendDataThreadQueue.put((0, "setStreamNumber", 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
# The other peer's protocol version is of interest to the sendDataThread but we learn of it
# in this version message. Let us inform the sendDataThread.
self.sendDataThreadQueue.put((0, "setRemoteProtocolVersion", 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 sendBroadcast(self):
queryreturn = sqlQuery(
'''SELECT fromaddress, subject, message, ackdata FROM sent WHERE status=? and folder='sent' ''', 'broadcastqueued')
for row in queryreturn:
fromaddress, subject, body, ackdata = row
status, addressVersionNumber, streamNumber, ripe = decodeAddress(
fromaddress)
if addressVersionNumber <= 1:
with shared.printLock:
sys.stderr.write(
'Error: In the singleWorker thread, the sendBroadcast function doesn\'t understand the address version.\n')
return
# We need to convert our private keys to public keys in order
# to include them.
try:
privSigningKeyBase58 = shared.config.get(
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') # At this time these pubkeys are 65 bytes long because they include the encoding byte which we won't be sending in the broadcast message.
pubEncryptionKey = highlevelcrypto.privToPub(
privEncryptionKeyHex).decode('hex')
payload = pack('>Q', (int(time.time()) + random.randrange(
-300, 300))) # the current time plus or minus five minutes
payload += encodeVarint(2) # broadcast version
payload += encodeVarint(streamNumber)
dataToEncrypt = encodeVarint(2) # broadcast version
dataToEncrypt += encodeVarint(addressVersionNumber)
dataToEncrypt += encodeVarint(streamNumber)
dataToEncrypt += '\x00\x00\x00\x01' # behavior bitfield
dataToEncrypt += pubSigningKey[1:]
dataToEncrypt += pubEncryptionKey[1:]
if addressVersionNumber >= 3:
dataToEncrypt += encodeVarint(shared.config.getint(fromaddress,'noncetrialsperbyte'))
dataToEncrypt += encodeVarint(shared.config.getint(fromaddress,'payloadlengthextrabytes'))
dataToEncrypt += '\x02' # message encoding type
dataToEncrypt += encodeVarint(len('Subject:' + subject + '\n' + 'Body:' + body)) #Type 2 is simple UTF-8 message encoding per the documentation on the wiki.
dataToEncrypt += 'Subject:' + subject + '\n' + 'Body:' + body
signature = highlevelcrypto.sign(
dataToEncrypt, privSigningKeyHex)
dataToEncrypt += encodeVarint(len(signature))
dataToEncrypt += signature
# Encrypt the broadcast with the information contained in the broadcaster's address. Anyone who knows the address can generate
# the private encryption key to decrypt the broadcast. This provides virtually no privacy; its purpose is to keep questionable
# and illegal content from flowing through the Internet connections and being stored on the disk of 3rd parties.
privEncryptionKey = hashlib.sha512(encodeVarint(
addressVersionNumber) + encodeVarint(streamNumber) + ripe).digest()[:32]
pubEncryptionKey = pointMult(privEncryptionKey)
payload += highlevelcrypto.encrypt(
dataToEncrypt, pubEncryptionKey.encode('hex'))
target = 2 ** 64 / ((len(
payload) + shared.networkDefaultPayloadLengthExtraBytes + 8) * shared.networkDefaultProofOfWorkNonceTrialsPerByte)
print '(For broadcast message) Doing proof of work...'
shared.UISignalQueue.put(('updateSentItemStatusByAckdata', (
ackdata, tr.translateText("MainWindow", "Doing work necessary to send broadcast..."))))
initialHash = hashlib.sha512(payload).digest()
trialValue, nonce = proofofwork.run(target, initialHash)
print '(For broadcast message) Found proof of work', trialValue, 'Nonce:', nonce
payload = pack('>Q', nonce) + payload
inventoryHash = calculateInventoryHash(payload)
objectType = 'broadcast'
shared.inventory[inventoryHash] = (
objectType, streamNumber, payload, int(time.time()))
with shared.printLock:
print 'sending inv (within sendBroadcast function) for object:', inventoryHash.encode('hex')
shared.broadcastToSendDataQueues((
streamNumber, 'sendinv', inventoryHash))
shared.UISignalQueue.put(('updateSentItemStatusByAckdata', (ackdata, tr.translateText("MainWindow", "Broadcast sent on %1").arg(unicode(
strftime(shared.config.get('bitmessagesettings', 'timeformat'), localtime(int(time.time()))), 'utf-8')))))
# Update the status of the message in the 'sent' table to have
# a 'broadcastsent' status
sqlExecute(
'UPDATE sent SET msgid=?, status=?, lastactiontime=? WHERE ackdata=?',
inventoryHash,
'broadcastsent',
int(time.time()),
ackdata)
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":
if int(time.time()) - lastactiontime > (
shared.maximumAgeOfAnObjectThatIAmWillingToAccept * (2 ** (pubkeyretrynumber))
):
print "It has been a long time and we haven't heard a response to our getpubkey request. Sending again."
try:
del shared.neededPubkeys[
toripe
] # We need to take this entry out of the shared.neededPubkeys structure because the shared.workerQueue checks to see whether the entry is already present and will not do the POW and send the message because it assumes that it has already done it recently.
except:
pass
shared.UISignalQueue.put(
("updateStatusBar", "Doing work necessary to again attempt to request a public key...")
)
t = ()
sqlExecute(
"""UPDATE sent SET lastactiontime=?, pubkeyretrynumber=?, status='msgqueued' WHERE toripe=?""",
int(time.time()),
pubkeyretrynumber + 1,
toripe,
)
shared.workerQueue.put(("sendmessage", ""))
else: # status == msgsent
if int(time.time()) - lastactiontime > (
shared.maximumAgeOfAnObjectThatIAmWillingToAccept * (2 ** (msgretrynumber))
):
print "It has been a long time and we haven't heard an acknowledgement to our msg. Sending again."
sqlExecute(
"""UPDATE sent SET lastactiontime=?, msgretrynumber=?, status=? WHERE ackdata=?""",
int(time.time()),
msgretrynumber + 1,
"msgqueued",
ackdata,
)
shared.workerQueue.put(("sendmessage", ""))
shared.UISignalQueue.put(
("updateStatusBar", "Doing work necessary to again attempt to deliver a message...")
)
# 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
time.sleep(300)
def run(self):
timeWeLastClearedInventoryAndPubkeysTables = 0
try:
shared.maximumLengthOfTimeToBotherResendingMessages = (float(shared.config.get('bitmessagesettings', 'stopresendingafterxdays')) * 24 * 60 * 60) + (float(shared.config.get('bitmessagesettings', 'stopresendingafterxmonths')) * (60 * 60 * 24 *365)/12)
except:
# Either the user hasn't set stopresendingafterxdays and stopresendingafterxmonths yet or the options are missing from the config file.
shared.maximumLengthOfTimeToBotherResendingMessages = float('inf')
while shared.shutdown == 0:
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, expiresTime, tag = storedValue
sql.execute(
'''INSERT INTO inventory VALUES (?,?,?,?,?,?)''',
hash,
objectType,
streamNumber,
payload,
expiresTime,
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())
sqlExecute(
'''DELETE FROM inventory WHERE expirestime<? ''',
int(time.time()) - (60 * 60 * 3))
# pubkeys
sqlExecute(
'''DELETE FROM pubkeys WHERE time<? AND usedpersonally='no' ''',
int(time.time()) - shared.lengthOfTimeToHoldOnToAllPubkeys)
# Let us resend getpubkey objects if we have not yet heard a pubkey, and also msg objects if we have not yet heard an acknowledgement
queryreturn = sqlQuery(
'''select toaddress, ackdata, status FROM sent WHERE ((status='awaitingpubkey' OR status='msgsent') AND folder='sent' AND sleeptill<? AND senttime>?) ''',
int(time.time()),
int(time.time()) - shared.maximumLengthOfTimeToBotherResendingMessages)
for row in queryreturn:
if len(row) < 2:
logger.error('Something went wrong in the singleCleaner thread: a query did not return the requested fields. ' + repr(row))
self.stop.wait(3)
break
toAddress, ackData, status = row
if status == 'awaitingpubkey':
resendPubkeyRequest(toAddress)
elif status == 'msgsent':
resendMsg(ackData)
# 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, expiresTime, tag = storedValue
if not streamNumber in shared.inventorySets:
shared.inventorySets[streamNumber] = set()
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
self.stop.wait(300)
def doPOWForMyV2Pubkey(self, hash): # This function also broadcasts out the pubkey message once it is done with the POW
# Look up my stream number based on my address hash
"""configSections = shared.config.sections()
for addressInKeysFile in configSections:
if addressInKeysFile <> 'bitmessagesettings':
status,addressVersionNumber,streamNumber,hashFromThisParticularAddress = decodeAddress(addressInKeysFile)
if hash == hashFromThisParticularAddress:
myAddress = addressInKeysFile
break"""
myAddress = shared.myAddressesByHash[hash]
status, addressVersionNumber, streamNumber, hash = decodeAddress(
myAddress)
TTL = int(28 * 24 * 60 * 60 + random.randrange(-300, 300))# 28 days from now plus or minus five minutes
embeddedTime = int(time.time() + TTL)
payload = pack('>Q', (embeddedTime))
payload += '\x00\x00\x00\x01' # object type: pubkey
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:
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:]
# Do the POW for this pubkey message
target = 2 ** 64 / (shared.networkDefaultProofOfWorkNonceTrialsPerByte*(len(payload) + 8 + shared.networkDefaultPayloadLengthExtraBytes + ((TTL*(len(payload)+8+shared.networkDefaultPayloadLengthExtraBytes))/(2 ** 16))))
initialHash = hashlib.sha512(payload).digest()
trialValue, nonce = proofofwork.run(target, initialHash)
payload = pack('>Q', nonce) + payload
inventoryHash = calculateInventoryHash(payload)
objectType = 1
shared.inventory[inventoryHash] = (
objectType, streamNumber, payload, embeddedTime,'')
shared.inventorySets[streamNumber].add(inventoryHash)
shared.broadcastToSendDataQueues((
streamNumber, 'advertiseobject', inventoryHash))
try:
shared.config.set(
myAddress, 'lastpubkeysendtime', str(int(time.time())))
shared.writeKeysFile()
except:
# The user deleted the address out of the keys.dat file before this
# finished.
pass
def sendOutOrStoreMyV4Pubkey(self, myAddress):
if not shared.config.has_section(myAddress):
#The address has been deleted.
return
if shared.safeConfigGetBoolean(myAddress, 'chan'):
return
status, addressVersionNumber, streamNumber, hash = decodeAddress(
myAddress)
TTL = int(28 * 24 * 60 * 60 + random.randrange(
-300, 300)) # 28 days from now plus or minus five minutes
embeddedTime = int(time.time() + TTL)
payload = pack('>Q', (embeddedTime))
payload += '\x00\x00\x00\x01' # object type: pubkey
payload += encodeVarint(addressVersionNumber) # Address version number
payload += encodeVarint(streamNumber)
dataToEncrypt = '\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:
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')
dataToEncrypt += pubSigningKey[1:]
dataToEncrypt += pubEncryptionKey[1:]
dataToEncrypt += encodeVarint(
shared.config.getint(myAddress, 'noncetrialsperbyte'))
dataToEncrypt += encodeVarint(
shared.config.getint(myAddress, 'payloadlengthextrabytes'))
# When we encrypt, we'll use a hash of the data
# contained in an address as a decryption key. This way in order to
# read the public keys in a pubkey message, a node must know the address
# first. We'll also tag, unencrypted, the pubkey with part of the hash
# so that nodes know which pubkey object to try to decrypt when they
# want to send a message.
doubleHashOfAddressData = hashlib.sha512(
hashlib.sha512(
encodeVarint(addressVersionNumber) +
encodeVarint(streamNumber) + hash).digest()).digest()
payload += doubleHashOfAddressData[32:] # the tag
signature = highlevelcrypto.sign(payload + dataToEncrypt,
privSigningKeyHex)
dataToEncrypt += encodeVarint(len(signature))
dataToEncrypt += signature
privEncryptionKey = doubleHashOfAddressData[:32]
pubEncryptionKey = highlevelcrypto.pointMult(privEncryptionKey)
payload += highlevelcrypto.encrypt(dataToEncrypt,
pubEncryptionKey.encode('hex'))
# Do the POW for this pubkey message
target = 2**64 / (
shared.networkDefaultProofOfWorkNonceTrialsPerByte *
(len(payload) + 8 + shared.networkDefaultPayloadLengthExtraBytes +
((TTL * (len(payload) + 8 +
shared.networkDefaultPayloadLengthExtraBytes)) /
(2**16))))
initialHash = hashlib.sha512(payload).digest()
trialValue, nonce = proofofwork.run(target, initialHash)
payload = pack('>Q', nonce) + payload
inventoryHash = calculateInventoryHash(payload)
objectType = 1
shared.inventory[inventoryHash] = (objectType, streamNumber, payload,
embeddedTime,
doubleHashOfAddressData[32:])
shared.inventorySets[streamNumber].add(inventoryHash)
shared.broadcastToSendDataQueues(
(streamNumber, 'advertiseobject', inventoryHash))
try:
shared.config.set(myAddress, 'lastpubkeysendtime',
str(int(time.time())))
shared.writeKeysFile()
except Exception as err:
pass
def requestPubKey(self, toAddress):
toStatus, addressVersionNumber, streamNumber, ripe = decodeAddress(
toAddress)
if toStatus != 'success':
return
queryReturn = sqlQuery(
'''SELECT retrynumber FROM sent WHERE toaddress=? AND (status='doingpubkeypow' OR status='awaitingpubkey') LIMIT 1''',
toAddress)
if len(queryReturn) == 0:
return
retryNumber = queryReturn[0][0]
if addressVersionNumber <= 3:
shared.neededPubkeys[toAddress] = 0
elif addressVersionNumber >= 4:
# If the user just clicked 'send' then the tag (and other information) will already
# be in the neededPubkeys dictionary. But if we are recovering from a restart
# of the client then we have to put it in now.
privEncryptionKey = hashlib.sha512(hashlib.sha512(encodeVarint(addressVersionNumber)+encodeVarint(streamNumber)+ripe).digest()).digest()[:32] # Note that this is the first half of the sha512 hash.
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:
shared.neededPubkeys[tag] = (toAddress, 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.
if retryNumber == 0:
TTL = 2.5*24*60*60 # 2.5 days. This was chosen fairly arbitrarily.
else:
TTL = 28*24*60*60
TTL = TTL + random.randrange(-300, 300) # add some randomness to the TTL
embeddedTime = int(time.time() + TTL)
payload = pack('>Q', embeddedTime)
payload += '\x00\x00\x00\x00' # object type: getpubkey
payload += encodeVarint(addressVersionNumber)
payload += encodeVarint(streamNumber)
if addressVersionNumber <= 3:
payload += ripe
else:
payload += tag
statusbar = 'Doing the computations necessary to request the recipient\'s public key.'
target = 2 ** 64 / (shared.networkDefaultProofOfWorkNonceTrialsPerByte*(len(payload) + 8 + shared.networkDefaultPayloadLengthExtraBytes + ((TTL*(len(payload)+8+shared.networkDefaultPayloadLengthExtraBytes))/(2 ** 16))))
initialHash = hashlib.sha512(payload).digest()
trialValue, nonce = proofofwork.run(target, initialHash)
payload = pack('>Q', nonce) + payload
inventoryHash = calculateInventoryHash(payload)
objectType = 1
shared.inventory[inventoryHash] = (
objectType, streamNumber, payload, embeddedTime, '')
shared.inventorySets[streamNumber].add(inventoryHash)
shared.broadcastToSendDataQueues((
streamNumber, 'advertiseobject', inventoryHash))
if retryNumber == 0:
sleeptill = int(time.time()) + TTL
else:
sleeptill = int(time.time()) + 28*24*60*60 * 2**retryNumber
sqlExecute(
'''UPDATE sent SET lastactiontime=?, status='awaitingpubkey', retrynumber=?, sleeptill=? WHERE toaddress=? AND (status='doingpubkeypow' OR status='awaitingpubkey') ''',
int(time.time()),
retryNumber+1,
sleeptill,
toAddress)
def doPOWForMyV2Pubkey(
self, hash
): # This function also broadcasts out the pubkey message once it is done with the POW
# Look up my stream number based on my address hash
"""configSections = shared.config.sections()
for addressInKeysFile in configSections:
if addressInKeysFile <> 'bitmessagesettings':
status,addressVersionNumber,streamNumber,hashFromThisParticularAddress = decodeAddress(addressInKeysFile)
if hash == hashFromThisParticularAddress:
myAddress = addressInKeysFile
break"""
myAddress = shared.myAddressesByHash[hash]
status, addressVersionNumber, streamNumber, hash = decodeAddress(
myAddress)
TTL = int(28 * 24 * 60 * 60 + random.randrange(
-300, 300)) # 28 days from now plus or minus five minutes
embeddedTime = int(time.time() + TTL)
payload = pack('>Q', (embeddedTime))
payload += '\x00\x00\x00\x01' # object type: pubkey
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:
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:]
# Do the POW for this pubkey message
target = 2**64 / (
shared.networkDefaultProofOfWorkNonceTrialsPerByte *
(len(payload) + 8 + shared.networkDefaultPayloadLengthExtraBytes +
((TTL * (len(payload) + 8 +
shared.networkDefaultPayloadLengthExtraBytes)) /
(2**16))))
initialHash = hashlib.sha512(payload).digest()
trialValue, nonce = proofofwork.run(target, initialHash)
payload = pack('>Q', nonce) + payload
inventoryHash = calculateInventoryHash(payload)
objectType = 1
shared.inventory[inventoryHash] = (objectType, streamNumber, payload,
embeddedTime, '')
shared.inventorySets[streamNumber].add(inventoryHash)
shared.broadcastToSendDataQueues(
(streamNumber, 'advertiseobject', inventoryHash))
try:
shared.config.set(myAddress, 'lastpubkeysendtime',
str(int(time.time())))
shared.writeKeysFile()
except:
# The user deleted the address out of the keys.dat file before this
# finished.
pass
def run(self):
timeWeLastClearedInventoryAndPubkeysTables = 0
while True:
shared.UISignalQueue.put(
('updateStatusBar',
'Doing housekeeping (Flushing inventory in memory to disk...)'
))
with SqlBulkExecute() as sql:
for hash, storedValue in shared.inventory.items():
objectType, streamNumber, payload, receivedTime = storedValue
if int(time.time()) - 3600 > receivedTime:
sql.execute(
'''INSERT INTO inventory VALUES (?,?,?,?,?,?)''',
hash, objectType, streamNumber, payload,
receivedTime, '')
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':
if int(time.time()) - lastactiontime > (
shared.
maximumAgeOfAnObjectThatIAmWillingToAccept *
(2**(pubkeyretrynumber))):
print 'It has been a long time and we haven\'t heard a response to our getpubkey request. Sending again.'
try:
del shared.neededPubkeys[
toripe] # We need to take this entry out of the shared.neededPubkeys structure because the shared.workerQueue checks to see whether the entry is already present and will not do the POW and send the message because it assumes that it has already done it recently.
except:
pass
shared.UISignalQueue.put((
'updateStatusBar',
'Doing work necessary to again attempt to request a public key...'
))
t = ()
sqlExecute(
'''UPDATE sent SET lastactiontime=?, pubkeyretrynumber=?, status='msgqueued' WHERE toripe=?''',
int(time.time()), pubkeyretrynumber + 1,
toripe)
shared.workerQueue.put(('sendmessage', ''))
else: # status == msgsent
if int(time.time()) - lastactiontime > (
shared.
maximumAgeOfAnObjectThatIAmWillingToAccept *
(2**(msgretrynumber))):
print 'It has been a long time and we haven\'t heard an acknowledgement to our msg. Sending again.'
sqlExecute(
'''UPDATE sent SET lastactiontime=?, msgretrynumber=?, status=? WHERE ackdata=?''',
int(time.time()), msgretrynumber + 1,
'msgqueued', ackdata)
shared.workerQueue.put(('sendmessage', ''))
shared.UISignalQueue.put((
'updateStatusBar',
'Doing work necessary to again attempt to deliver a message...'
))
time.sleep(300)
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)
def sendMsg(self):
# Check to see if there are any messages queued to be sent
queryreturn = sqlQuery(
'''SELECT DISTINCT toaddress FROM sent WHERE (status='msgqueued' AND folder='sent')''')
for row in queryreturn: # For each address to which we need to send a message, check to see if we have its pubkey already.
toaddress, = row
toripe = decodeAddress(toaddress)[3]
queryreturn = sqlQuery(
'''SELECT hash FROM pubkeys WHERE hash=? ''', toripe)
if queryreturn != []: # If we have the needed pubkey, set the status to doingmsgpow (we'll do it further down)
sqlExecute(
'''UPDATE sent SET status='doingmsgpow' WHERE toaddress=? AND status='msgqueued' ''',
toaddress)
else: # We don't have the needed pubkey. Set the status to 'awaitingpubkey' and request it if we haven't already
if toripe in shared.neededPubkeys:
# We already sent a request for the pubkey
sqlExecute(
'''UPDATE sent SET status='awaitingpubkey' WHERE toaddress=? AND status='msgqueued' ''', toaddress)
shared.UISignalQueue.put(('updateSentItemStatusByHash', (
toripe, tr.translateText("MainWindow",'Encryption key was requested earlier.'))))
else:
# We have not yet sent a request for the pubkey
sqlExecute(
'''UPDATE sent SET status='doingpubkeypow' WHERE toaddress=? AND status='msgqueued' ''',
toaddress)
shared.UISignalQueue.put(('updateSentItemStatusByHash', (
toripe, tr.translateText("MainWindow",'Sending a request for the recipient\'s encryption key.'))))
self.requestPubKey(toaddress)
# Get all messages that are ready to be sent, and also all messages
# which we have sent in the last 28 days which were previously marked
# as 'toodifficult'. If the user as raised the maximum acceptable
# difficulty then those messages may now be sendable.
queryreturn = sqlQuery(
'''SELECT toaddress, toripe, fromaddress, subject, message, ackdata, status FROM sent WHERE (status='doingmsgpow' or status='forcepow' or (status='toodifficult' and lastactiontime>?)) and folder='sent' ''',
int(time.time()) - 2419200)
for row in queryreturn: # For each message we need to send..
toaddress, toripe, fromaddress, subject, message, ackdata, status = row
# There is a remote possibility that we may no longer have the
# recipient's pubkey. Let us make sure we still have it or else the
# sendMsg function will appear to freeze. This can happen if the
# user sends a message but doesn't let the POW function finish,
# then leaves their client off for a long time which could cause
# the needed pubkey to expire and be deleted.
queryreturn = sqlQuery(
'''SELECT hash FROM pubkeys WHERE hash=? ''',
toripe)
if queryreturn == [] and toripe not in shared.neededPubkeys:
# We no longer have the needed pubkey and we haven't requested
# it.
with shared.printLock:
sys.stderr.write(
'For some reason, the status of a message in our outbox is \'doingmsgpow\' even though we lack the pubkey. Here is the RIPE hash of the needed pubkey: %s\n' % toripe.encode('hex'))
sqlExecute(
'''UPDATE sent SET status='msgqueued' WHERE toaddress=? AND status='doingmsgpow' ''', toaddress)
shared.UISignalQueue.put(('updateSentItemStatusByHash', (
toripe, tr.translateText("MainWindow",'Sending a request for the recipient\'s encryption key.'))))
self.requestPubKey(toaddress)
continue
shared.ackdataForWhichImWatching[ackdata] = 0
toStatus, toAddressVersionNumber, toStreamNumber, toHash = decodeAddress(
toaddress)
fromStatus, fromAddressVersionNumber, fromStreamNumber, fromHash = decodeAddress(
fromaddress)
shared.UISignalQueue.put(('updateSentItemStatusByAckdata', (
ackdata, tr.translateText("MainWindow", "Looking up the receiver\'s public key"))))
with shared.printLock:
print 'Found a message in our database that needs to be sent with this pubkey.'
print 'First 150 characters of message:', repr(message[:150])
# mark the pubkey as 'usedpersonally' so that we don't ever delete
# it.
sqlExecute(
'''UPDATE pubkeys SET usedpersonally='yes' WHERE hash=?''',
toripe)
# Let us fetch the recipient's public key out of our database. If
# the required proof of work difficulty is too hard then we'll
# abort.
queryreturn = sqlQuery(
'SELECT transmitdata FROM pubkeys WHERE hash=?',
toripe)
if queryreturn == []:
with shared.printLock:
sys.stderr.write(
'(within sendMsg) The needed pubkey was not found. This should never happen. Aborting send.\n')
return
for row in queryreturn:
pubkeyPayload, = row
# The pubkey message is stored the way we originally received it
# which means that we need to read beyond things like the nonce and
# time to get to the actual public keys.
readPosition = 8 # to bypass the nonce
pubkeyEmbeddedTime, = unpack(
'>I', pubkeyPayload[readPosition:readPosition + 4])
# This section is used for the transition from 32 bit time to 64
# bit time in the protocol.
if pubkeyEmbeddedTime == 0:
pubkeyEmbeddedTime, = unpack(
'>Q', pubkeyPayload[readPosition:readPosition + 8])
readPosition += 8
else:
readPosition += 4
readPosition += 1 # to bypass the address version whose length is definitely 1
streamNumber, streamNumberLength = decodeVarint(
pubkeyPayload[readPosition:readPosition + 10])
readPosition += streamNumberLength
behaviorBitfield = pubkeyPayload[readPosition:readPosition + 4]
# Mobile users may ask us to include their address's RIPE hash on a message
# unencrypted. Before we actually do it the sending human must check a box
# in the settings menu to allow it.
if shared.isBitSetWithinBitfield(behaviorBitfield,30): # if receiver is a mobile device who expects that their address RIPE is included unencrypted on the front of the message..
if not shared.safeConfigGetBoolean('bitmessagesettings','willinglysendtomobile'): # if we are Not willing to include the receiver's RIPE hash on the message..
logger.info('The receiver is a mobile user but the sender (you) has not selected that you are willing to send to mobiles. Aborting send.')
shared.UISignalQueue.put(('updateSentItemStatusByAckdata',(ackdata,tr.translateText("MainWindow",'Problem: Destination is a mobile device who requests that the destination be included in the message but this is disallowed in your settings. %1').arg(unicode(strftime(shared.config.get('bitmessagesettings', 'timeformat'),localtime(int(time.time()))),'utf-8')))))
# if the human changes their setting and then sends another message or restarts their client, this one will send at that time.
continue
readPosition += 4 # to bypass the bitfield of behaviors
# pubSigningKeyBase256 =
# pubkeyPayload[readPosition:readPosition+64] #We don't use this
# key for anything here.
readPosition += 64
pubEncryptionKeyBase256 = pubkeyPayload[
readPosition:readPosition + 64]
readPosition += 64
# Let us fetch the amount of work required by the recipient.
if toAddressVersionNumber == 2:
requiredAverageProofOfWorkNonceTrialsPerByte = shared.networkDefaultProofOfWorkNonceTrialsPerByte
requiredPayloadLengthExtraBytes = shared.networkDefaultPayloadLengthExtraBytes
shared.UISignalQueue.put(('updateSentItemStatusByAckdata', (
ackdata, tr.translateText("MainWindow", "Doing work necessary to send message.\nThere is no required difficulty for version 2 addresses like this."))))
elif toAddressVersionNumber == 3:
requiredAverageProofOfWorkNonceTrialsPerByte, varintLength = decodeVarint(
pubkeyPayload[readPosition:readPosition + 10])
readPosition += varintLength
requiredPayloadLengthExtraBytes, varintLength = decodeVarint(
pubkeyPayload[readPosition:readPosition + 10])
readPosition += varintLength
if requiredAverageProofOfWorkNonceTrialsPerByte < shared.networkDefaultProofOfWorkNonceTrialsPerByte: # We still have to meet a minimum POW difficulty regardless of what they say is allowed in order to get our message to propagate through the network.
requiredAverageProofOfWorkNonceTrialsPerByte = shared.networkDefaultProofOfWorkNonceTrialsPerByte
if requiredPayloadLengthExtraBytes < shared.networkDefaultPayloadLengthExtraBytes:
requiredPayloadLengthExtraBytes = shared.networkDefaultPayloadLengthExtraBytes
shared.UISignalQueue.put(('updateSentItemStatusByAckdata', (ackdata, tr.translateText("MainWindow", "Doing work necessary to send message.\nReceiver\'s required difficulty: %1 and %2").arg(str(float(
requiredAverageProofOfWorkNonceTrialsPerByte) / shared.networkDefaultProofOfWorkNonceTrialsPerByte)).arg(str(float(requiredPayloadLengthExtraBytes) / shared.networkDefaultPayloadLengthExtraBytes)))))
if status != 'forcepow':
if (requiredAverageProofOfWorkNonceTrialsPerByte > shared.config.getint('bitmessagesettings', 'maxacceptablenoncetrialsperbyte') and shared.config.getint('bitmessagesettings', 'maxacceptablenoncetrialsperbyte') != 0) or (requiredPayloadLengthExtraBytes > shared.config.getint('bitmessagesettings', 'maxacceptablepayloadlengthextrabytes') and shared.config.getint('bitmessagesettings', 'maxacceptablepayloadlengthextrabytes') != 0):
# The demanded difficulty is more than we are willing
# to do.
sqlExecute(
'''UPDATE sent SET status='toodifficult' WHERE ackdata=? ''',
ackdata)
shared.UISignalQueue.put(('updateSentItemStatusByAckdata', (ackdata, tr.translateText("MainWindow", "Problem: The work demanded by the recipient (%1 and %2) is more difficult than you are willing to do.").arg(str(float(requiredAverageProofOfWorkNonceTrialsPerByte) / shared.networkDefaultProofOfWorkNonceTrialsPerByte)).arg(str(float(
requiredPayloadLengthExtraBytes) / shared.networkDefaultPayloadLengthExtraBytes)).arg(unicode(strftime(shared.config.get('bitmessagesettings', 'timeformat'), localtime(int(time.time()))), 'utf-8')))))
continue
embeddedTime = pack('>Q', (int(time.time()) + random.randrange(
-300, 300))) # the current time plus or minus five minutes. We will use this time both for our message and for the ackdata packed within our message.
if fromAddressVersionNumber == 2:
payload = '\x01' # Message version.
payload += encodeVarint(fromAddressVersionNumber)
payload += encodeVarint(fromStreamNumber)
payload += '\x00\x00\x00\x01' # Bitfield of features and behaviors that can be expected from me. (See https://bitmessage.org/wiki/Protocol_specification#Pubkey_bitfield_features )
# We need to convert our private keys to public keys in order
# to include them.
try:
privSigningKeyBase58 = shared.config.get(
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:]
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
if fromAddressVersionNumber == 3:
payload = '\x01' # Message version.
payload += encodeVarint(fromAddressVersionNumber)
payload += encodeVarint(fromStreamNumber)
payload += '\x00\x00\x00\x01' # Bitfield of features and behaviors that can be expected from me. (See https://bitmessage.org/wiki/Protocol_specification#Pubkey_bitfield_features )
# We need to convert our private keys to public keys in order
# to include them.
try:
privSigningKeyBase58 = shared.config.get(
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
if shared.safeConfigGetBoolean(toaddress, 'chan'):
with shared.printLock:
print 'Not bothering to generate ackdata because we are sending to a chan.'
fullAckPayload = ''
elif not shared.isBitSetWithinBitfield(behaviorBitfield,31):
with shared.printLock:
print 'Not bothering to generate ackdata because the receiver said that they won\'t relay it anyway.'
fullAckPayload = ''
else:
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:
sqlExecute('''UPDATE sent SET status='badkey' WHERE ackdata=?''', ackdata)
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()))
if shared.safeConfigGetBoolean(toaddress, 'chan'):
shared.UISignalQueue.put(('updateSentItemStatusByAckdata', (ackdata, tr.translateText("MainWindow", "Message sent. Sent on %1").arg(unicode(
strftime(shared.config.get('bitmessagesettings', 'timeformat'), localtime(int(time.time()))), 'utf-8')))))
else:
# not sending to a chan
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 or 'msgsentnoackexpected' status.
if shared.safeConfigGetBoolean(toaddress, 'chan'):
newStatus = 'msgsentnoackexpected'
else:
newStatus = 'msgsent'
sqlExecute('''UPDATE sent SET msgid=?, status=? WHERE ackdata=?''',
inventoryHash,newStatus,ackdata)
def sendOutOrStoreMyV4Pubkey(self, myAddress):
if not shared.config.has_section(myAddress):
#The address has been deleted.
return
if shared.safeConfigGetBoolean(myAddress, 'chan'):
return
status, addressVersionNumber, streamNumber, hash = decodeAddress(
myAddress)
TTL = int(28 * 24 * 60 * 60 + random.randrange(-300, 300))# 28 days from now plus or minus five minutes
embeddedTime = int(time.time() + TTL)
payload = pack('>Q', (embeddedTime))
payload += '\x00\x00\x00\x01' # object type: pubkey
payload += encodeVarint(addressVersionNumber) # Address version number
payload += encodeVarint(streamNumber)
dataToEncrypt = '\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:
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')
dataToEncrypt += pubSigningKey[1:]
dataToEncrypt += pubEncryptionKey[1:]
dataToEncrypt += encodeVarint(shared.config.getint(
myAddress, 'noncetrialsperbyte'))
dataToEncrypt += encodeVarint(shared.config.getint(
myAddress, 'payloadlengthextrabytes'))
# When we encrypt, we'll use a hash of the data
# contained in an address as a decryption key. This way in order to
# read the public keys in a pubkey message, a node must know the address
# first. We'll also tag, unencrypted, the pubkey with part of the hash
# so that nodes know which pubkey object to try to decrypt when they
# want to send a message.
doubleHashOfAddressData = hashlib.sha512(hashlib.sha512(encodeVarint(
addressVersionNumber) + encodeVarint(streamNumber) + hash).digest()).digest()
payload += doubleHashOfAddressData[32:] # the tag
signature = highlevelcrypto.sign(payload + dataToEncrypt, privSigningKeyHex)
dataToEncrypt += encodeVarint(len(signature))
dataToEncrypt += signature
privEncryptionKey = doubleHashOfAddressData[:32]
pubEncryptionKey = highlevelcrypto.pointMult(privEncryptionKey)
payload += highlevelcrypto.encrypt(
dataToEncrypt, pubEncryptionKey.encode('hex'))
# Do the POW for this pubkey message
target = 2 ** 64 / (shared.networkDefaultProofOfWorkNonceTrialsPerByte*(len(payload) + 8 + shared.networkDefaultPayloadLengthExtraBytes + ((TTL*(len(payload)+8+shared.networkDefaultPayloadLengthExtraBytes))/(2 ** 16))))
initialHash = hashlib.sha512(payload).digest()
trialValue, nonce = proofofwork.run(target, initialHash)
payload = pack('>Q', nonce) + payload
inventoryHash = calculateInventoryHash(payload)
objectType = 1
shared.inventory[inventoryHash] = (
objectType, streamNumber, payload, embeddedTime, doubleHashOfAddressData[32:])
shared.inventorySets[streamNumber].add(inventoryHash)
shared.broadcastToSendDataQueues((
streamNumber, 'advertiseobject', inventoryHash))
try:
shared.config.set(
myAddress, 'lastpubkeysendtime', str(int(time.time())))
shared.writeKeysFile()
except Exception as err:
pass
def run(self):
timeWeLastClearedInventoryAndPubkeysTables = 0
try:
shared.maximumLengthOfTimeToBotherResendingMessages = (
float(
shared.config.get('bitmessagesettings',
'stopresendingafterxdays')) * 24 * 60 *
60) + (float(
shared.config.get('bitmessagesettings',
'stopresendingafterxmonths')) *
(60 * 60 * 24 * 365) / 12)
except:
# Either the user hasn't set stopresendingafterxdays and stopresendingafterxmonths yet or the options are missing from the config file.
shared.maximumLengthOfTimeToBotherResendingMessages = float('inf')
while True:
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, expiresTime, tag = storedValue
sql.execute(
'''INSERT INTO inventory VALUES (?,?,?,?,?,?)''',
hash, objectType, streamNumber, payload,
expiresTime, tag)
del shared.inventory[hash]
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 timeWeLastClearedInventoryAndPubkeysTables < int(
time.time()) - 7380:
timeWeLastClearedInventoryAndPubkeysTables = int(time.time())
sqlExecute('''DELETE FROM inventory WHERE expirestime<? ''',
int(time.time()) - (60 * 60 * 3))
# Let us resend getpubkey objects if we have not yet heard a pubkey, and also msg objects if we have not yet heard an acknowledgement
queryreturn = sqlQuery(
'''select toaddress, ackdata, status FROM sent WHERE ((status='awaitingpubkey' OR status='msgsent') AND folder='sent' AND sleeptill<? AND senttime>?) ''',
int(time.time()),
int(time.time()) -
shared.maximumLengthOfTimeToBotherResendingMessages)
for row in queryreturn:
if len(row) < 2:
time.sleep(3)
break
toAddress, ackData, status = row
if status == 'awaitingpubkey':
resendPubkeyRequest(toAddress)
elif status == 'msgsent':
resendMsg(ackData)
# 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, expiresTime, tag = storedValue
if not streamNumber in shared.inventorySets:
shared.inventorySets[streamNumber] = set()
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):
os._exit(0)
shared.knownNodesLock.release()
shared.needToWriteKnownNodesToDisk = False
time.sleep(300)
def run(self):
timeWeLastClearedInventoryAndPubkeysTables = 0
while True:
shared.sqlLock.acquire()
shared.UISignalQueue.put((
'updateStatusBar', 'Doing housekeeping (Flushing inventory in memory to disk...)'))
for hash, storedValue in shared.inventory.items():
objectType, streamNumber, payload, receivedTime = storedValue
if int(time.time()) - 3600 > receivedTime:
t = (hash, objectType, streamNumber, payload, receivedTime,'')
shared.sqlSubmitQueue.put(
'''INSERT INTO inventory VALUES (?,?,?,?,?,?)''')
shared.sqlSubmitQueue.put(t)
shared.sqlReturnQueue.get()
del shared.inventory[hash]
shared.sqlSubmitQueue.put('commit')
shared.UISignalQueue.put(('updateStatusBar', ''))
shared.sqlLock.release()
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)
shared.sqlLock.acquire()
# inventory (clears pubkeys after 28 days and everything else
# after 2 days and 12 hours)
t = (int(time.time()) - shared.lengthOfTimeToLeaveObjectsInInventory, int(
time.time()) - shared.lengthOfTimeToHoldOnToAllPubkeys)
shared.sqlSubmitQueue.put(
'''DELETE FROM inventory WHERE (receivedtime<? AND objecttype<>'pubkey') OR (receivedtime<? AND objecttype='pubkey') ''')
shared.sqlSubmitQueue.put(t)
shared.sqlReturnQueue.get()
# pubkeys
t = (int(time.time()) - shared.lengthOfTimeToHoldOnToAllPubkeys,)
shared.sqlSubmitQueue.put(
'''DELETE FROM pubkeys WHERE time<? AND usedpersonally='no' ''')
shared.sqlSubmitQueue.put(t)
shared.sqlReturnQueue.get()
shared.sqlSubmitQueue.put('commit')
t = ()
shared.sqlSubmitQueue.put(
'''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.
shared.sqlSubmitQueue.put(t)
queryreturn = shared.sqlReturnQueue.get()
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':
if int(time.time()) - lastactiontime > (shared.maximumAgeOfAnObjectThatIAmWillingToAccept * (2 ** (pubkeyretrynumber))):
print 'It has been a long time and we haven\'t heard a response to our getpubkey request. Sending again.'
try:
del shared.neededPubkeys[
toripe] # We need to take this entry out of the shared.neededPubkeys structure because the shared.workerQueue checks to see whether the entry is already present and will not do the POW and send the message because it assumes that it has already done it recently.
except:
pass
shared.UISignalQueue.put((
'updateStatusBar', 'Doing work necessary to again attempt to request a public key...'))
t = (int(
time.time()), pubkeyretrynumber + 1, toripe)
shared.sqlSubmitQueue.put(
'''UPDATE sent SET lastactiontime=?, pubkeyretrynumber=?, status='msgqueued' WHERE toripe=?''')
shared.sqlSubmitQueue.put(t)
shared.sqlReturnQueue.get()
shared.sqlSubmitQueue.put('commit')
shared.workerQueue.put(('sendmessage', ''))
else: # status == msgsent
if int(time.time()) - lastactiontime > (shared.maximumAgeOfAnObjectThatIAmWillingToAccept * (2 ** (msgretrynumber))):
print 'It has been a long time and we haven\'t heard an acknowledgement to our msg. Sending again.'
t = (int(
time.time()), msgretrynumber + 1, 'msgqueued', ackdata)
shared.sqlSubmitQueue.put(
'''UPDATE sent SET lastactiontime=?, msgretrynumber=?, status=? WHERE ackdata=?''')
shared.sqlSubmitQueue.put(t)
shared.sqlReturnQueue.get()
shared.sqlSubmitQueue.put('commit')
shared.workerQueue.put(('sendmessage', ''))
shared.UISignalQueue.put((
'updateStatusBar', 'Doing work necessary to again attempt to deliver a message...'))
shared.sqlSubmitQueue.put('commit')
shared.sqlLock.release()
time.sleep(300)
def processMessageWithPOWStatus(self):
ret = sqlQuery(
'''SELECT toaddress, fromaddress, subject, message, ackdata, status, ttl, retrynumber FROM sent WHERE (status='doingmsgpow' or status='forcepow') and folder='sent' ''')
for row in ret:
# Decode data from query
toaddress, fromaddress, subject, message, ackdata, status, TTL, retryNumber = row
toStatus, toAddressVersionNumber, toStreamNumber, toRipe = decodeAddress(toaddress)
fromStatus, fromAddressVersionNumber, fromStreamNumber, fromRipe = decodeAddress(fromaddress)
# Set TTL
if retryNumber == 0:
if TTL > 28 * 24 * 60 * 60:
TTL = 28 * 24 * 60 * 60
else:
TTL = 28 * 24 * 60 * 60
TTL = int(TTL + random.randrange(-300, 300))# add some randomness to the TTL
embeddedTime = int(time.time() + TTL)
# Get pubkey
if not shared.config.has_section(toaddress): # if we aren't sending this to ourselves or a chan
shared.ackdataForWhichImWatching[ackdata] = 0
# Let us fetch the recipient's public key out of our database. If
# the required proof of work difficulty is too hard then we'll
# abort.
pubkeyPayload = shared.hadPubkeys[toaddress][2]
# The pubkey message is stored with the following items all appended:
# -address version
# -stream number
# -behavior bitfield
# -pub signing key
# -pub encryption key
# -nonce trials per byte (if address version is >= 3)
# -length extra bytes (if address version is >= 3)
readPosition = 1 # to bypass the address version whose length is definitely 1
streamNumber, streamNumberLength = decodeVarint(
pubkeyPayload[readPosition:readPosition + 10])
readPosition += streamNumberLength
behaviorBitfield = pubkeyPayload[readPosition:readPosition + 4]
# Mobile users may ask us to include their address's RIPE hash on a message
# unencrypted. Before we actually do it the sending human must check a box
# in the settings menu to allow it.
if shared.isBitSetWithinBitfield(behaviorBitfield,30): # if receiver is a mobile device who expects that their address RIPE is included unencrypted on the front of the message..
if not shared.safeConfigGetBoolean('bitmessagesettings','willinglysendtomobile'): # if we are Not willing to include the receiver's RIPE hash on the message..
# if the human changes their setting and then sends another message or restarts their client, this one will send at that time.
continue
readPosition += 4 # to bypass the bitfield of behaviors
# pubSigningKeyBase256 = pubkeyPayload[readPosition:readPosition+64] # We don't use this key for anything here.
readPosition += 64
pubEncryptionKeyBase256 = pubkeyPayload[readPosition:readPosition + 64]
readPosition += 64
# Let us fetch the amount of work required by the recipient.
if toAddressVersionNumber == 2:
requiredAverageProofOfWorkNonceTrialsPerByte = shared.networkDefaultProofOfWorkNonceTrialsPerByte
requiredPayloadLengthExtraBytes = shared.networkDefaultPayloadLengthExtraBytes
elif toAddressVersionNumber >= 3:
requiredAverageProofOfWorkNonceTrialsPerByte, varintLength = decodeVarint(
pubkeyPayload[readPosition:readPosition + 10])
readPosition += varintLength
requiredPayloadLengthExtraBytes, varintLength = decodeVarint(
pubkeyPayload[readPosition:readPosition + 10])
readPosition += varintLength
if requiredAverageProofOfWorkNonceTrialsPerByte < shared.networkDefaultProofOfWorkNonceTrialsPerByte: # We still have to meet a minimum POW difficulty regardless of what they say is allowed in order to get our message to propagate through the network.
requiredAverageProofOfWorkNonceTrialsPerByte = shared.networkDefaultProofOfWorkNonceTrialsPerByte
if requiredPayloadLengthExtraBytes < shared.networkDefaultPayloadLengthExtraBytes:
requiredPayloadLengthExtraBytes = shared.networkDefaultPayloadLengthExtraBytes
if status != 'forcepow':
if (requiredAverageProofOfWorkNonceTrialsPerByte > shared.config.getint('bitmessagesettings', 'maxacceptablenoncetrialsperbyte') and shared.config.getint('bitmessagesettings', 'maxacceptablenoncetrialsperbyte') != 0) or (requiredPayloadLengthExtraBytes > shared.config.getint('bitmessagesettings', 'maxacceptablepayloadlengthextrabytes') and shared.config.getint('bitmessagesettings', 'maxacceptablepayloadlengthextrabytes') != 0):
# The demanded difficulty is more than we are willing
# to do.
sqlExecute(
'''UPDATE sent SET status='toodifficult' WHERE ackdata=? ''',
ackdata)
continue
else: # if we are sending a message to ourselves or a chan..
behaviorBitfield = '\x00\x00\x00\x01'
try:
privEncryptionKeyBase58 = shared.config.get(
toaddress, 'privencryptionkey')
except Exception as err:
continue
privEncryptionKeyHex = shared.decodeWalletImportFormat(
privEncryptionKeyBase58).encode('hex')
pubEncryptionKeyBase256 = highlevelcrypto.privToPub(
privEncryptionKeyHex).decode('hex')[1:]
requiredAverageProofOfWorkNonceTrialsPerByte = shared.networkDefaultProofOfWorkNonceTrialsPerByte
requiredPayloadLengthExtraBytes = shared.networkDefaultPayloadLengthExtraBytes
# Now we can start to assemble our message.
payload = encodeVarint(fromAddressVersionNumber)
payload += encodeVarint(fromStreamNumber)
payload += '\x00\x00\x00\x01' # Bitfield of features and behaviors that can be expected from me. (See https://bitmessage.org/wiki/Protocol_specification#Pubkey_bitfield_features )
# We need to convert our private keys to public keys in order
# to include them.
try:
privSigningKeyBase58 = shared.config.get(
fromaddress, 'privsigningkey')
privEncryptionKeyBase58 = shared.config.get(
fromaddress, 'privencryptionkey')
except:
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 fromAddressVersionNumber >= 3:
# 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.
payload += encodeVarint(shared.config.getint(
fromaddress, 'noncetrialsperbyte'))
payload += encodeVarint(shared.config.getint(
fromaddress, 'payloadlengthextrabytes'))
payload += toRipe # This hash will be checked by the receiver of the message to verify that toRipe 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'
messageToTransmit+= 'Body:' + message
payload += encodeVarint(len(messageToTransmit))
payload += messageToTransmit
if shared.config.has_section(toaddress):
fullAckPayload = ''
elif not shared.isBitSetWithinBitfield(behaviorBitfield,31):
fullAckPayload = ''
else:
fullAckPayload = self.generateFullAckMessage(
ackdata, toStreamNumber, TTL) # 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
dataToSign = pack('>Q', embeddedTime) + '\x00\x00\x00\x02' + encodeVarint(1) + encodeVarint(toStreamNumber) + payload
signature = highlevelcrypto.sign(dataToSign, 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:
sqlExecute('''UPDATE sent SET status='badkey' WHERE ackdata=?''', ackdata)
continue
encryptedPayload = pack('>Q', embeddedTime)
encryptedPayload += '\x00\x00\x00\x02' # object type: msg
encryptedPayload += encodeVarint(1) # msg version
encryptedPayload += encodeVarint(toStreamNumber) + encrypted
target = 2 ** 64 / (requiredAverageProofOfWorkNonceTrialsPerByte*(len(encryptedPayload) + 8 + requiredPayloadLengthExtraBytes + ((TTL*(len(encryptedPayload)+8+requiredPayloadLengthExtraBytes))/(2 ** 16))))
powStartTime = time.time()
initialHash = hashlib.sha512(encryptedPayload).digest()
trialValue, nonce = proofofwork.run(target, initialHash)
encryptedPayload = pack('>Q', nonce) + encryptedPayload
# Sanity check. The encryptedPayload size should never be larger than 256 KiB. There should
# be checks elsewhere in the code to not let the user try to send a message this large
# until we implement message continuation.
if len(encryptedPayload) > 2 ** 18: # 256 KiB
print "The payload is lager than 256KiB,So the loop will continue"
continue
inventoryHash = calculateInventoryHash(encryptedPayload)
objectType = 2
shared.inventory[inventoryHash] = (
objectType, toStreamNumber, encryptedPayload, embeddedTime, '')
shared.inventorySets[toStreamNumber].add(inventoryHash)
shared.broadcastToSendDataQueues((
toStreamNumber, 'advertiseobject', inventoryHash))
# Update the sent message in the sent table with the necessary information.
if shared.config.has_section(toaddress):
newStatus = 'msgsentnoackexpected'
else:
newStatus = 'msgsent'
if retryNumber == 0:
sleepTill = int(time.time()) + TTL
else:
sleepTill = int(time.time()) + 28*24*60*60 * 2**retryNumber
sqlExecute('''UPDATE sent SET msgid=?, status=?, retrynumber=?, sleeptill=?, lastactiontime=? WHERE ackdata=?''',
inventoryHash,
newStatus,
retryNumber+1,
sleepTill,
int(time.time()),
ackdata)
# If we are sending to ourselves or a chan, let's put the message in our own inbox.
if shared.config.has_section(toaddress):
sigHash = hashlib.sha512(hashlib.sha512(signature).digest()).digest()[32:] # Used to detect and ignore duplicate messages in our inbox
t = (inventoryHash, toaddress, fromaddress, subject, int(
time.time()), message, 'inbox', 2, 0, sigHash)
shared.messages.append(t)
