[tor-commits] [ooni-probe/master] Introduce node.py.

[art@xxxxxxxxxxxxxx]

commit 46a130d1a28025cc5060560d734deed11b4346c9
Author: George Kadianakis <desnacked@xxxxxxxxxx>
Date:   Sat Mar 3 23:48:23 2012 -0800

    Introduce node.py.
---
 node.py |   66 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 66 insertions(+), 0 deletions(-)

diff --git a/node.py b/node.py
new file mode 100644
index 0000000..eea78df
--- /dev/null
+++ b/node.py
@@ -0,0 +1,66 @@
+#!/usr/bin/env python
+# -*- coding: UTF-8
+
+import os
+import sys
+import socks
+
+class Node(object):
+    def __init__(self, address, port):
+        self.address = address
+        self.port = port
+
+"""
+[]: node = NetworkNode("192.168.0.112", 5555, "SOCKS5")
+[]: node_socket = node.wrap_socket()
+"""
+class NetworkNode(Node):
+    def __init__(self, address, port, node_type="SOCKS5", auth_creds=None):
+        self.node = Node(address,port)
+
+        # XXX support for multiple types
+        # node type (SOCKS proxy, HTTP proxy, GRE tunnel, ...)
+        self.node_type = node_type
+        # type-specific authentication credentials
+        self.auth_creds = auth_creds
+
+    def _get_socksipy_socket(self, proxy_type, auth_creds):
+        import socks
+        s = socks.socksocket()
+        # auth_creds[0] -> username
+        # auth_creds[1] -> password
+        s.setproxy(proxy_type, self.node.address, self.node.port,
+                   self.auth_creds[0], self.auth_creds[1])
+        return s
+
+    def _get_socket_wrapper(self):
+        if (self.node_type.startswith("SOCKS")): # SOCKS proxies
+            if (self.node_type != "SOCKS5"):
+                proxy_type = socks.PROXY_TYPE_SOCKS5
+            elif (self.node_type != "SOCKS4"):
+                proxy_type = socks.PROXY_TYPE_SOCKS4
+            else:
+                print "We don't know this proxy type."
+                sys.exit(1)
+
+            return self._get_socksipy_socket(proxy_type)
+        elif (self.node_type == "HTTP"): # HTTP proxies
+            return self._get_socksipy_socket(PROXY_TYPE_HTTP)
+        else: # Unknown proxies
+            print "We don't know this proxy type."
+            sys.exit(1)
+
+    def wrap_socket(self):
+        return self._get_socket_wrapper()
+
+class CodeExecNode(Node):
+    def __init__(self, address, port, node_type, auth_creds):
+        self.node = Node(address,port)
+
+        # node type (SSH proxy, etc.)
+        self.node_type = node_type
+        # type-specific authentication credentials
+        self.auth_creds = auth_creds
+
+    def add_unit(self):
+        pass



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