From d3feaa3bc6e2d9c2c7ee8286038c69c0b9601869 Mon Sep 17 00:00:00 2001
From: Chris Czub <chris.czub@gmail.com>
Date: Mon, 9 Nov 2015 15:07:58 -0500
Subject: Add custom content view plugin support for mitmproxy/mitmdump

---
 libmproxy/flow.py   | 46 +++++++++++++++++++++++++++++++++++++++++++++-
 libmproxy/script.py |  7 +++++++
 2 files changed, 52 insertions(+), 1 deletion(-)

(limited to 'libmproxy')

diff --git a/libmproxy/flow.py b/libmproxy/flow.py
index 55a4dbcf..5acbebf2 100644
--- a/libmproxy/flow.py
+++ b/libmproxy/flow.py
@@ -9,7 +9,7 @@ import cookielib
 import os
 import re
 import urlparse
-
+import inspect
 
 from netlib import wsgi
 from netlib.exceptions import HttpException
@@ -21,6 +21,11 @@ from .proxy.config import HostMatcher
 from .protocol.http_replay import RequestReplayThread
 from .protocol import Kill
 from .models import ClientConnection, ServerConnection, HTTPResponse, HTTPFlow, HTTPRequest
+from . import contentviews as cv
+
+
+class PluginError(Exception):
+    pass
 
 
 class AppRegistry:
@@ -614,6 +619,43 @@ class State(object):
         self.flows.kill_all(master)
 
 
+class Plugins(object):
+    def __init__(self):
+        self._view_plugins = {}
+
+    def __iter__(self):
+        for plugin_type in ('view_plugins',):
+            yield (plugin_type, getattr(self, '_' + plugin_type))
+
+    def __getitem__(self, key):
+        if key in ('view_plugins',):
+            return getattr(self, '_' + key)
+        else:
+            return None
+
+    def register_view(self, id, **kwargs):
+        if self._view_plugins.get(id):
+            raise PluginError("Duplicate view registration for %s" % (id, ))
+
+        if not kwargs.get('class_ref') or not \
+                callable(kwargs['class_ref']) or not \
+                isinstance(kwargs['class_ref'], type):
+            raise PluginError("No custom content view class passed for view %s" % (id, ))
+
+        script_path = inspect.stack()[1][1]
+
+        view_plugin = {
+            'title': kwargs.get('title') or id,
+            'class_ref': kwargs['class_ref'],
+            'script_path': script_path,
+        }
+        self._view_plugins[id] = view_plugin
+
+        cv.add(kwargs['class_ref']())
+
+        print("Registered view plugin %s from script %s" % (kwargs['title'], script_path))
+
+
 class FlowMaster(controller.Master):
     def __init__(self, server, state):
         controller.Master.__init__(self, server)
@@ -643,6 +685,8 @@ class FlowMaster(controller.Master):
         self.stream = None
         self.apps = AppRegistry()
 
+        self.plugins = Plugins()
+
     def start_app(self, host, port):
         self.apps.add(
             app.mapp,
diff --git a/libmproxy/script.py b/libmproxy/script.py
index 9d051c12..f11c5cd8 100644
--- a/libmproxy/script.py
+++ b/libmproxy/script.py
@@ -56,6 +56,13 @@ class ScriptContext:
     def app_registry(self):
         return self._master.apps
 
+    @property
+    def plugins(self):
+        if hasattr(self._master, 'plugins'):
+            return self._master.plugins
+
+        return None
+
 
 class Script:
     """
-- 
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