def __init__(self, parent=None):
QtGui.QWidget.__init__(self, parent)
self.ui = Ui_MainWindow()
self.ui.setupUi(self)
self.ctimer = QtCore.QTimer()
Qt.QObject.connect(self.ui.ConnectButton, Qt.SIGNAL("clicked()"), self.connect)
Qt.QObject.connect(self.ui.SendFileChoose, Qt.SIGNAL("clicked()"), self.select_file)
Qt.QObject.connect(self.ui.SendFileButton, Qt.SIGNAL("clicked()"), self.sendFile)
Qt.QObject.connect(self.ui.GetFileButton, Qt.SIGNAL("clicked()"), self.getFile)
QtCore.QObject.connect(self.ctimer, QtCore.SIGNAL("timeout()"), self.constantUpdate)
self.initLogger()
self.node = kenosis.Node(bootstrapNetAddress=None)
self.ui.NodePortLabel.setText(str(self.node.port()))
self.node.registerNamedHandler(name="darknet", handler=Handler())
self.table = Table('files.tbl')
for f in self.table.table:
item = Qt.QListWidgetItem(f['filename'])
self.ui.listWidget.addItem(item)
self.ctimer.start(1000)
class App(QtGui.QMainWindow):
def __init__(self, parent=None):
QtGui.QWidget.__init__(self, parent)
self.ui = Ui_MainWindow()
self.ui.setupUi(self)
self.ctimer = QtCore.QTimer()
Qt.QObject.connect(self.ui.ConnectButton, Qt.SIGNAL("clicked()"), self.connect)
Qt.QObject.connect(self.ui.SendFileChoose, Qt.SIGNAL("clicked()"), self.select_file)
Qt.QObject.connect(self.ui.SendFileButton, Qt.SIGNAL("clicked()"), self.sendFile)
Qt.QObject.connect(self.ui.GetFileButton, Qt.SIGNAL("clicked()"), self.getFile)
QtCore.QObject.connect(self.ctimer, QtCore.SIGNAL("timeout()"), self.constantUpdate)
self.initLogger()
self.node = kenosis.Node(bootstrapNetAddress=None)
self.ui.NodePortLabel.setText(str(self.node.port()))
self.node.registerNamedHandler(name="darknet", handler=Handler())
self.table = Table('files.tbl')
for f in self.table.table:
item = Qt.QListWidgetItem(f['filename'])
self.ui.listWidget.addItem(item)
self.ctimer.start(1000)
def initLogger(self):
self.logText = self.ui.Log
self.logText.append("Log started...")
self.logger = Logger(self.logText)
self.errors = Logger(self.logText)
sys.stdout = self.logger
sys.stderr = self.errors
def constantUpdate(self):
count = len(self.get_node_list())
self.ui.NodesCountLabel.setText(str(count))
if count > 1:
self.ui.StatusLabel.setText('Connected')
else:
self.ui.StatusLabel.setText('Disconnected')
def get_node_list(self):
nodes = ['0x%x'%(x[0].nodeAddressObject().address_) for x in self.node.nodeKernel_._bucketsFor('kenosis') if len(x)>0]
nodes.append(self.node.nodeAddress())
return nodes
def select_file(self):
self.ui.SendFileEdit.setText(QtGui.QFileDialog.getOpenFileName())
def connect(self):
hostname = self.ui.hostnameEdit.text()
port = self.ui.portEdit.text()
res = self.node.bootstrap( "%s:%s" % (hostname, port) )
print "Connecting return: "+str(res)
def sendFile(self):
nodes = self.get_node_list()
filepath = self.ui.SendFileEdit.text().toUtf8().data()
name = os.path.split(filepath)[-1]
file_size = os.path.getsize(filepath)
chunk_size = file_size/len(nodes)
key = os.urandom(32)
temp_file = NamedTemporaryFile(delete=False)
crypter.encrypt_file( key, filepath, temp_file.name )
salt = crypter.generate_salt()
i = 0
print temp_file
while True:
chunk = temp_file.read( chunk_size )
if len(chunk) == 0:
break
data = base64.b64encode( chunk )
address = nodes[i%len(nodes)]
backup_node_address = nodes[(i+1)%len(nodes)]
temp_filename = name+"."+salt+".part"+str(i)
hashed_filename = hashlib.sha1(temp_filename).hexdigest()
print "Sending"
res = self.process_sending(address, hashed_filename, data)
res_b = self.process_sending(backup_node_address, hashed_filename, data)
if not (res and res_b):
print "Failed to send file"
return
i += 1
temp_file.close()
os.unlink(temp_file.name)
print "Adding file to table..."
f = {
'filename':name,
'salt':salt,
'key': key,
'pieces': i
}
self.table.add(f)
item = Qt.QListWidgetItem(f['filename'])
self.ui.listWidget.addItem(item)
def process_sending(self, address, name, data):
attempts = 0
res = ''
while res != 'OK':
res = self.node.rpc(nodeAddress=address).darknet.put(name,data)
attempts += 1
if attempts == 3:
return False
return True
def getFile(self):
n = self.ui.listWidget.selectedIndexes()[0].row()
fname = self.ui.listWidget.selectedItems()[0].text().toUtf8().data()
file_info = self.table.table[n]
nodes = self.get_node_list()
tempfile = NamedTemporaryFile(delete=False)
for i in range(file_info['pieces']):
temp_filename = fname+"."+file_info['salt']+".part"+str(i) # TODO: add salt
hashed_filename = hashlib.sha1(temp_filename).hexdigest()
for node_address in nodes:
if self.node.rpc(nodeAddress=node_address).darknet.has_file( hashed_filename ):
data = self.node.rpc(nodeAddress=node_address).darknet.get( hashed_filename )
tempfile.write( base64.b64decode(data) )
print "Got part No:"+str(i)
break
else:
print "Can't find part No:"+str(i)
return
tempfile.close()
out_filename = os.path.join(DOWNDIR, fname)
crypter.decrypt_file( file_info['key'], tempfile.name, out_filename )
os.unlink(tempfile.name)
