bozza recupero/salvataggio uuid per autenticazione

decorators.py

@@ -1,10 +1,21 @@
 #!/usr/bin/python
 # -*- coding: utf-8; tab-width: 4; indent-tabs-mode: nil; -*-
 
+## all
 from singleton import Singleton
+
+## WSGITemplate
 from template import render
 from functools import partial
 
+## WSGIAuth
+import Cookie
+import hashlib
+import hmac
+md5 = lambda x : hashlib.md5( x ).hexdigest()
+sha1 = lambda key,value: hmac.new( key, value, hashlib.sha1 ).hexdigest()
+
+#------------------------------------------------------------------------------
 
 class WSGITemplate( object ):
     __metaclass__ = Singleton
@@ -125,3 +136,36 @@ class WSGIMySQL( object ):
         for dsndict in self.__dsn.items():
             for conn in dsndict['pool']:
                 conn.close()
+
+
+class WSGISimpleAuth( object ):
+    __metaclass__ = Singleton
+
+    def __init__( self, secret_key, login_url=None, forbidden_url=None ):
+        self.__secret_key = secret_key
+
+    def auth( self, permission='', group='', p_g_mode='AND', p_mode='OR', g_mode='OR' ):
+        def real_decorator( wsgi_application ):
+            def wrapper( environ, start_response ):
+                try:
+                    uuid = Cookie.SimpleCookie(environ["HTTP_COOKIE"])["uuid"].value
+                except:
+                    uuid = None
+
+                environ['auth.uuid'] = uuid
+
+                def my_start_response( status, response_headers ):
+                    cookie = Cookie.SimpleCookie()
+                    cookie["uuid"] = uuid
+                    response_headers.append( ('Set-Cookie',cookie.OutputString()) )
+                    start_response( status, response_headers );
+
+                for item in wsgi_application( environ, my_start_response ):
+                    yield item
+
+            return wrapper
+
+        return real_decorator
+
+
+# EOF