mod. of requirements + _mask fix

proxy.py

@@ -78,9 +78,11 @@ class ProxyClientFactory(protocol.ReconnectingClientFactory):
 
 
 class VNCWebSocketHandler(Protocol):
+    src = None
     def makeConnection(self, transport):
         try:
-            settings.configure()					
+            if not settings.configured:
+                settings.configure()
             value = signing.loads(transport.request.args[b'd'][0].decode(),
                                   key=PROXY_SECRET, max_age=KEY_MAX_AGE)
             try:
@@ -93,7 +95,7 @@ class VNCWebSocketHandler(Protocol):
         except Exception as e:
             src = getattr(self, 'src', None)
             logger.warning('Server(%s): bad connection,  key=%s err=%s',
-                           src, transport.request.args['d'][0], e)
+                           src, transport.request.args[b'd'][0], e)
             transport.loseConnection()
             return
         logger.info("Server(%s): new connection, host=%s, port=%s",

requirements/base.txt

 cryptography==36.0.1
 Django==3.2.3
-Twisted==16.6.0
+Twisted==22.4.0
 pyOpenSSL==21.0.0
 service-identity

websockets.py

@@ -12,6 +12,7 @@ factory.
 @since: 13.2
 """
 
+import six
 import base64
 import struct
 from hashlib import sha1
@@ -108,7 +109,7 @@ def _mask(buf, key):
     buf = list(buf)
     for i, char in enumerate(buf):
         buf[i] = chr(char ^ key[i % 4])
-    return "".join(buf)
+    return six.b("".join(buf))
 
 
 def _makeFrame(buf, opcode, fin, mask=None):
@@ -163,7 +164,7 @@ def _parseFrames(frameBuffer, needMask=True):
     removing the parsed content from it.
 
     @param frameBuffer: A buffer of bytes.
-    @type frameBuffer: C{list}
+    @type frameBuffer: C{list} --- NO C(bytes) !!!!!
 
     @param needMask: If C{True}, refuse any frame which is not masked.
     @type needMask: C{bool}