various small changes
This commit is contained in:
Jonathan Warren
parent
90c997e71f
commit
afccad2925
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@ -411,7 +411,7 @@ class receiveDataThread(QThread):
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self.receivedgetbiginv = True
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sqlLock.acquire()
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#Select all hashes which are younger than two days old and in this stream.
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t = (int(time.time())-172800,self.streamNumber)
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t = (int(time.time())-maximumAgeOfObjectsThatIAdvertiseToOthers,self.streamNumber)
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sqlSubmitQueue.put('''SELECT hash FROM inventory WHERE receivedtime>? and streamnumber=?''')
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sqlSubmitQueue.put(t)
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queryreturn = sqlReturnQueue.get()
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@ -424,7 +424,7 @@ class receiveDataThread(QThread):
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#print 'bigInvList:', bigInvList
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for hash, storedValue in inventory.items():
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objectType, streamNumber, payload, receivedTime = storedValue
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if streamNumber == self.streamNumber and receivedTime > int(time.time())-172800:
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if streamNumber == self.streamNumber and receivedTime > int(time.time())-maximumAgeOfObjectsThatIAdvertiseToOthers:
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bigInvList[hash] = 0
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numberOfObjectsInInvMessage = 0
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payload = ''
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@ -890,6 +890,9 @@ class receiveDataThread(QThread):
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bitfieldBehaviors = self.data[readPosition:readPosition+4]
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readPosition += 4 #for the bitfield of behaviors and features
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addressVersion, varintLength = decodeVarint(self.data[readPosition:readPosition+10])
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if addressVersion >= 2:
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'This version of Bitmessgae cannot handle version', addressVersion,'addresses.'
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return
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readPosition += varintLength
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streamNumber, varintLength = decodeVarint(self.data[readPosition:readPosition+10])
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readPosition += varintLength
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@ -930,6 +933,13 @@ class receiveDataThread(QThread):
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if not self.isProofOfWorkSufficient():
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print 'Proof of work in getpubkey message insufficient.'
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return
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embeddedTime, = unpack('>I',self.data[32:36])
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if embeddedTime > int(time.time())+10800:
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print 'The time in this getpubkey message is too new. Ignoring it. Time:', embeddedTime
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return
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if embeddedTime < int(time.time())-maximumAgeOfAnObjectThatIAmWillingToAccept:
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print 'The time in this getpubkey message is too old. Ignoring it. Time:', embeddedTime
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return
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inventoryLock.acquire()
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inventoryHash = calculateInventoryHash(self.data[24:self.payloadLength+24])
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if inventoryHash in inventory:
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@ -942,25 +952,23 @@ class receiveDataThread(QThread):
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return
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objectType = 'pubkeyrequest'
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inventory[inventoryHash] = (objectType, self.streamNumber, self.data[24:self.payloadLength+24], int(time.time()))
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inventory[inventoryHash] = (objectType, self.streamNumber, self.data[24:self.payloadLength+24], embeddedTime)
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inventoryLock.release()
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#Now let us make sure that the getpubkey request isn't too old or with a fake (future) time.
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embeddedTime, = unpack('>I',self.data[32:36])
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if embeddedTime > int(time.time())+10800:
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print 'The time in this getpubkey message is too new. Ignoring it. Time:', embeddedTime
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return
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if embeddedTime < int(time.time())-maximumAgeOfAnObjectThatIAmWillingToAccept:
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print 'The time in this getpubkey message is too old. Ignoring it. Time:', embeddedTime
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return
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addressVersionNumber, addressVersionLength = decodeVarint(self.data[36:42])
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if addressVersionNumber > 1:
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print 'The addressVersionNumber of the pubkey is too high. Can\'t understand. Ignoring it.'
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return
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streamNumber, streamNumberLength = decodeVarint(self.data[36+addressVersionLength:42+addressVersionLength])
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if streamNumber <> self.streamNumber:
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print 'The streamNumber', streamNumber, 'doesn\'t match our stream number:', self.streamNumber
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return
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#This getpubkey request is valid so far. Forward to peers.
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broadcastToSendDataQueues((self.streamNumber,'send',self.data[:self.payloadLength+24]))
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if addressVersionNumber > 1:
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print 'The addressVersionNumber of the pubkey is too high. Can\'t understand. Ignoring it.'
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return
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if self.data[36+addressVersionLength+streamNumberLength:56+addressVersionLength+streamNumberLength] in myAddressHashes:
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print 'Found getpubkey requested hash in my list of hashes.'
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#check to see whether we have already calculated the nonce and transmitted this key before
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@ -1000,12 +1008,15 @@ class receiveDataThread(QThread):
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sqlSubmitQueue.put(t)
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queryreturn = sqlReturnQueue.get()
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#Now that we have the key either from getting it earlier or making it and storing it ourselves...
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#Now that we have the full pubkey message ready either from making it just now or making it earlier, we can send it out.
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t = (self.data[36+addressVersionLength+streamNumberLength:56+addressVersionLength+streamNumberLength],) #this prevents SQL injection
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sqlSubmitQueue.put('SELECT * FROM pubkeys WHERE hash=?')
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sqlSubmitQueue.put('''SELECT * FROM pubkeys WHERE hash=? AND havecorrectnonce=1''')
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sqlSubmitQueue.put(t)
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queryreturn = sqlReturnQueue.get()
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if queryreturn == []:
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sys.stderr.write('Error: pubkey which we just put in our pubkey database suddenly is not there. Is the database malfunctioning?')
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sqlLock.release()
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return
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for row in queryreturn:
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hash, havecorrectnonce, payload, timeLastRequested = row
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if timeLastRequested < int(time.time())+604800: #if the last time anyone asked about this hash was this week, extend the time.
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@ -1022,11 +1033,11 @@ class receiveDataThread(QThread):
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self.broadcastinv(inventoryHash)
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else:
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print 'Hash in getpubkey is not mine.'
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print 'Hash in getpubkey request is not for any of my keys.'
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#..but lets see if we have it stored from when it came in from someone else.
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t = (self.data[36+addressVersionLength+streamNumberLength:56+addressVersionLength+streamNumberLength],) #this prevents SQL injection
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sqlLock.acquire()
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sqlSubmitQueue.put('''SELECT hash, time FROM pubkeys WHERE hash=? AND havecorrectnonce='True' ''')
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sqlSubmitQueue.put('''SELECT hash, transmitdata, time FROM pubkeys WHERE hash=? AND havecorrectnonce=1''')
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sqlSubmitQueue.put(t)
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queryreturn = sqlReturnQueue.get()
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sqlLock.release()
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@ -1041,14 +1052,11 @@ class receiveDataThread(QThread):
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sqlSubmitQueue.put('''UPDATE pubkeys set time=? WHERE hash=? ''')
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sqlSubmitQueue.put(t)
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queryreturn = sqlReturnQueue.get()
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inventoryHash = calculateInventoryHash(self.data[24:self.payloadLength+24])
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inventoryHash = calculateInventoryHash(transmitdata)
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objectType = 'pubkey'
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inventory[inventoryHash] = (objectType, self.streamNumber, self.data[24:self.payloadLength+24], int(time.time()))
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inventory[inventoryHash] = (objectType, self.streamNumber, transmitdata, int(time.time()))
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self.broadcastinv(inventoryHash)
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else:
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#We don't have it. We'll need to forward the getpubkey request to our peers.
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print 'We don\' have the public key. Forwarding getpubkey message to peers.'
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broadcastToSendDataQueues((self.streamNumber,'send',self.data[:self.payloadLength+24]))
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#We have received an inv message
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def recinv(self):
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@ -1611,7 +1619,7 @@ class sqlThread(QThread):
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self.cur.execute( '''CREATE TABLE whitelist (label text, address text, enabled bool)''' )
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self.cur.execute( '''CREATE TABLE pubkeys (hash blob, havecorrectnonce bool, transmitdata blob, time blob, UNIQUE(hash, havecorrectnonce, transmitdata) ON CONFLICT REPLACE)''' )
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self.cur.execute( '''CREATE TABLE inventory (hash blob, objecttype text, streamnumber int, payload blob, receivedtime integer, UNIQUE(hash) ON CONFLICT REPLACE)''' )
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self.cur.execute( '''CREATE TABLE knownnodes (timelastseen int, stream int, services blob, host blob, port blob, UNIQUE(host) ON CONFLICT REPLACE)''' ) #This table isn't used in the program yet but I have a feeling that we'll need it.
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self.cur.execute( '''CREATE TABLE knownnodes (timelastseen int, stream int, services blob, host blob, port blob, UNIQUE(host, stream, port) ON CONFLICT REPLACE)''' ) #This table isn't used in the program yet but I have a feeling that we'll need it.
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self.conn.commit()
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print 'Created messages database file'
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@ -1895,6 +1903,7 @@ class singleWorker(QThread):
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sqlLock.release()
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for row in queryreturn:
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toaddress, fromaddress, subject, message, ackdata = row
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ackdataForWhichImWatching[ackdata] = 0
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status,addressVersionNumber,toStreamNumber,hash = decodeAddress(toaddress)
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#if hash == toRipe:
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self.emit(SIGNAL("updateSentItemStatusByAckdata(PyQt_PyObject,PyQt_PyObject)"),ackdata,'Doing work necessary to send the message.')
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@ -2786,7 +2795,6 @@ class MyForm(QtGui.QMainWindow):
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for i in range(4): #This will make 32 bytes of random data.
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random.seed()
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ackdata += pack('>Q',random.randrange(1, 18446744073709551615))
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ackdataForWhichImWatching[ackdata] = 0
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sqlLock.acquire()
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t = ('',toAddress,ripe,fromAddress,subject,message,ackdata,int(time.time()),'findingpubkey',1,1,'sent')
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sqlSubmitQueue.put('''INSERT INTO sent VALUES (?,?,?,?,?,?,?,?,?,?,?,?)''')
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