From 8544a5ba4b75bd42a97fe0949834175121f4cb38 Mon Sep 17 00:00:00 2001
From: Maximilian Hils <git@maximilianhils.com>
Date: Thu, 30 Jan 2014 18:56:23 +0100
Subject: add generic TCP handler with SSL support, move StateObject into
 netlib

---
 libmproxy/flow.py | 85 ++-----------------------------------------------------
 1 file changed, 3 insertions(+), 82 deletions(-)

(limited to 'libmproxy/flow.py')

diff --git a/libmproxy/flow.py b/libmproxy/flow.py
index 2caeb011..d48c35dc 100644
--- a/libmproxy/flow.py
+++ b/libmproxy/flow.py
@@ -8,9 +8,10 @@ import types
 import tnetstring, filt, script, utils, encoding, proxy
 from email.utils import parsedate_tz, formatdate, mktime_tz
 from netlib import odict, http, certutils, wsgi
-import controller, version
+import controller, version, protocol
 import app
 
+
 HDR_FORM_URLENCODED = "application/x-www-form-urlencoded"
 CONTENT_MISSING = 0
 
@@ -144,86 +145,6 @@ class SetHeaders:
                     f.request.headers.add(header, value)
 
 
-class StateObject:
-    def _get_state(self):
-        raise NotImplementedError
-
-    def _load_state(self, state):
-        raise NotImplementedError
-
-    @classmethod
-    def _from_state(cls, state):
-        raise NotImplementedError
-
-    def __eq__(self, other):
-        try:
-            return self._get_state() == other._get_state()
-        except AttributeError:  # we may compare with something that's not a StateObject
-            return False
-
-
-class SimpleStateObject(StateObject):
-    """
-    A StateObject with opionated conventions that tries to keep everything DRY.
-
-    Simply put, you agree on a list of attributes and their type.
-    Attributes can either be primitive types(str, tuple, bool, ...) or StateObject instances themselves.
-    SimpleStateObject uses this information for the default _get_state(), _from_state(s) and _load_state(s) methods.
-    Overriding _get_state or _load_state to add custom adjustments is always possible.
-    """
-
-    _stateobject_attributes = None  # none by default to raise an exception if definition was forgotten
-    """
-    An attribute-name -> class-or-type dict containing all attributes that should be serialized
-    If the attribute is a class, this class must be a subclass of StateObject.
-    """
-
-    def _get_state(self):
-        return {attr: self.__get_state_attr(attr, cls)
-                for attr, cls in self._stateobject_attributes.iteritems()}
-
-    def __get_state_attr(self, attr, cls):
-        """
-        helper for _get_state.
-        returns the value of the given attribute
-        """
-        if getattr(self, attr) is None:
-            return None
-        if isinstance(cls, types.ClassType):
-            return getattr(self, attr)._get_state()
-        else:
-            return getattr(self, attr)
-
-    def _load_state(self, state):
-        for attr, cls in self._stateobject_attributes.iteritems():
-            self.__load_state_attr(attr, cls, state)
-
-    def __load_state_attr(self, attr, cls, state):
-        """
-        helper for _load_state.
-        loads the given attribute from the state.
-        """
-        if state[attr] is not None:  # First, catch None as value.
-            if isinstance(cls, types.ClassType):  # Is the attribute a StateObject itself?
-                # FIXME: assertion doesn't hold because of odict at the moment
-                # assert issubclass(cls, StateObject)
-                curr = getattr(self, attr)
-                if curr:  # if the attribute is already present, delegate to the objects ._load_state method.
-                    curr._load_state(state[attr])
-                else: # otherwise, create a new object.
-                    setattr(self, attr, cls._from_state(state[attr]))
-            else:
-                setattr(self, attr, cls(state[attr]))
-        else:
-            setattr(self, attr, None)
-
-    @classmethod
-    def _from_state(cls, state):
-        f = cls()  # the default implementation assumes an empty constructor. Override accordingly.
-        f._load_state(state)
-        return f
-
-
 class ClientPlaybackState:
     def __init__(self, flows, exit):
         self.flows, self.exit = flows, exit
@@ -834,7 +755,7 @@ class FlowReader:
                     v = ".".join(str(i) for i in data["version"])
                     raise FlowReadError("Incompatible serialized data version: %s"%v)
                 off = self.fo.tell()
-                yield Flow._from_state(data)
+                yield protocol.protocols[data["conntype"]]["flow"]._from_state(data)
         except ValueError, v:
             # Error is due to EOF
             if self.fo.tell() == off and self.fo.read() == '':
-- 
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