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# Yes, this source code is terrible.
# It's just something I've put together to test the server
# before I write a *real* client.
import sys, socket, ssl, threading, struct
from PyQt5 import QtCore, QtGui, QtWidgets
protocolVer = 1
sock = None
authed = False
sessionKey = b'\0'*16
nextID = 1
lastReceivedPacketID = 0
packetCache = []
packetLock = threading.Lock()
u32 = struct.Struct('<I')
class Packet:
def __init__(self, type, data):
global nextID
self.type = type
self.data = data
if (type & 0x8000) == 0:
self.id = nextID
nextID = nextID + 1
def sendOverWire(self, sock):
header = struct.pack('<HHI', self.type, 0, len(self.data))
if (self.type & 0x8000) == 0:
extHeader = struct.pack('<II', self.id, lastReceivedPacketID)
else:
extHeader = b''
sock.sendall(header)
if extHeader:
sock.sendall(extHeader)
sock.sendall(self.data)
def clearCachedPackets(pid):
for packet in packetCache[:]:
if packet.id <= pid:
packetCache.remove(packet)
def reader():
global lastReceivedPacketID, authed, sessionKey
readbuf = b''
sockCopy = sock
print('(Connected)')
while True:
data = sockCopy.recv(1024)
if not data:
print('(Disconnected)')
break
readbuf += data
pos = 0
bufsize = len(readbuf)
print('[bufsize: %d]' % bufsize)
while True:
if (pos + 8) > bufsize:
break
type, reserved, size = struct.unpack_from('<HHI', readbuf, pos)
extHeaderSize = 8 if ((type & 0x8000) == 0) else 0
if (pos + 8 + extHeaderSize + size) > bufsize:
break
pos += 8
with packetLock:
if ((type & 0x8000) == 0):
pid, lastReceivedByServer = struct.unpack_from('<II', readbuf, pos)
pos += 8
lastReceivedPacketID = pid
clearCachedPackets(lastReceivedByServer)
packetdata = readbuf[pos:pos+size]
print('0x%x : %d bytes : %s' % (type, size, packetdata))
if type == 0x8001:
sessionKey = packetdata
authed = True
elif type == 0x8002:
print('FAILED!')
elif type == 0x8003:
authed = True
pid = u32.unpack(packetdata)[0]
clearCachedPackets(pid)
try:
for packet in packetCache:
packet.sendOverWire(sockCopy)
except:
pass
else:
# Horrible kludge. I'm sorry.
# I didn't feel like rewriting this to use
# QObject and QThread. :(
packetEvent = PacketEvent(type, packetdata)
app.postEvent(mainwin, packetEvent)
pos += size
print('[processed %d bytes]' % pos)
readbuf = readbuf[pos:]
def writePacket(type, data, allowUnauthed=False):
packet = Packet(type, data)
if (type & 0x8000) == 0:
packetCache.append(packet)
try:
if authed or allowUnauthed:
packet.sendOverWire(sock)
except:
pass
class PacketEvent(QtCore.QEvent):
def __init__(self, ptype, pdata):
QtCore.QEvent.__init__(self, QtCore.QEvent.User)
self.packetType = ptype
self.packetData = pdata
class WindowTab(QtWidgets.QWidget):
def __init__(self, parent=None):
QtWidgets.QWidget.__init__(self, parent)
self.output = QtWidgets.QTextEdit(self)
self.output.setReadOnly(True)
self.input = QtWidgets.QLineEdit(self)
self.input.returnPressed.connect(self.handleLineEntered)
layout = QtWidgets.QVBoxLayout(self)
layout.addWidget(self.output)
layout.addWidget(self.input)
enteredMessage = QtCore.pyqtSignal(str)
def handleLineEntered(self):
line = self.input.text()
self.input.setText('')
self.enteredMessage.emit(line)
def pushMessage(self, msg):
cursor = self.output.textCursor()
isAtEnd = cursor.atEnd()
cursor.movePosition(QtGui.QTextCursor.End)
cursor.clearSelection()
cursor.insertText(msg)
cursor.insertText('\n')
if isAtEnd:
self.output.setTextCursor(cursor)
class MainWindow(QtWidgets.QMainWindow):
def __init__(self, parent=None):
QtWidgets.QMainWindow.__init__(self, parent)
self.setWindowTitle('Ninjifox\'s IRC Client Test')
tb = self.addToolBar('Main')
tb.addAction('Connect', self.handleConnect)
tb.addAction('Disconnect', self.handleDisconnect)
tb.addAction('Login', self.handleLogin)
self.tabs = QtWidgets.QTabWidget(self)
self.tabLookup = {}
self.setCentralWidget(self.tabs)
self.debugTab = WindowTab(self)
self.debugTab.enteredMessage.connect(self.handleDebug)
self.tabs.addTab(self.debugTab, 'Debug')
def event(self, event):
if event.type() == QtCore.QEvent.User:
event.accept()
ptype = event.packetType
pdata = event.packetData
if ptype == 1:
strlen = u32.unpack_from(pdata, 0)[0]
msg = pdata[4:4+strlen].decode('utf-8', 'replace')
self.debugTab.pushMessage(msg)
elif ptype == 0x100:
# ADD WINDOWS
wndCount = u32.unpack_from(pdata, 0)[0]
pos = 4
for i in range(wndCount):
wtype, wid, wtlen = struct.unpack_from('<III', pdata, pos)
pos += 12
wtitle = pdata[pos:pos+wtlen].decode('utf-8', 'replace')
pos += wtlen
msgCount = u32.unpack_from(pdata, pos)[0]
pos += 4
msgs = []
for j in range(msgCount):
msglen = u32.unpack_from(pdata, pos)[0]
pos += 4
msg = pdata[pos:pos+msglen].decode('utf-8', 'replace')
pos += msglen
msgs.append(msg)
tab = WindowTab(self)
tab.winID = wid
tab.enteredMessage.connect(self.handleWindowInput)
self.tabs.addTab(tab, wtitle)
self.tabLookup[wid] = tab
tab.pushMessage('\n'.join(msgs))
elif ptype == 0x102:
# WINDOW MESSAGES
wndID, msglen = struct.unpack_from('<II', pdata, 0)
msg = pdata[8:8+msglen].decode('utf-8', 'replace')
self.tabLookup[wndID].pushMessage(msg)
return True
else:
return QtWidgets.QMainWindow.event(self, event)
def handleConnect(self):
global sock
try:
basesock = socket.socket(socket.AF_INET, socket.SOCK_STREAM, 0)
basesock.connect(('localhost', 5454))
#sock = ssl.wrap_socket(basesock)
sock = basesock
thd = threading.Thread(None, reader)
thd.daemon = True
thd.start()
except Exception as e:
print(e)
def handleDisconnect(self):
global sock, authed
sock.shutdown(socket.SHUT_RDWR)
sock.close()
sock = None
authed = False
def handleLogin(self):
writePacket(0x8001, struct.pack('<II 16s', protocolVer, lastReceivedPacketID, sessionKey), True)
def handleDebug(self, text):
with packetLock:
data = str(text).encode('utf-8')
writePacket(1, struct.pack('<I', len(data)) + data)
def handleWindowInput(self, text):
wid = self.sender().winID
with packetLock:
data = str(text).encode('utf-8')
writePacket(0x102, struct.pack('<II', wid, len(data)) + data)
app = QtWidgets.QApplication(sys.argv)
mainwin = MainWindow()
mainwin.show()
app.exec_()
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