| Index: appengine_django/auth/__init__.py |
| =================================================================== |
| --- appengine_django/auth/__init__.py (Revision 0) |
| +++ appengine_django/auth/__init__.py (Revision 0) |
| @@ -0,0 +1,86 @@ |
| +# Copyright 2008 Google Inc. |
| +# |
| +# Licensed under the Apache License, Version 2.0 (the "License"); |
| +# you may not use this file except in compliance with the License. |
| +# You may obtain a copy of the License at |
| +# |
| +# http://www.apache.org/licenses/LICENSE-2.0 |
| +# |
| +# Unless required by applicable law or agreed to in writing, software |
| +# distributed under the License is distributed on an "AS IS" BASIS, |
| +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| +# See the License for the specific language governing permissions and |
| +# limitations under the License. |
| + |
| +""" |
| +Authentication module that mimics the behavior of Django's authentication |
| +implementation. |
| + |
| +Limitations: |
| + - all user permissions methods are not available |
| +""" |
| + |
| +from datetime import datetime |
| +import urllib |
| + |
| +from django.db.models.manager import EmptyManager |
| +from django.http import HttpResponseRedirect |
| +from django.template import Node |
| +from django.utils.encoding import smart_str |
| + |
| +from google.appengine.api import datastore_types |
| +from google.appengine.api import users |
| +from google.appengine.ext.db import UserProperty |
| +from google.appengine.ext.webapp import template |
| + |
| +from appengine_django import models |
| + |
| +register = template.create_template_register() |
| +template.register_template_library("appengine_django.auth") |
| + |
| + |
| +def login_required(function): |
| + """Implementation of Django's login_required decorator. |
| + |
| + The login redirect URL is always set to request.path |
| + """ |
| + def login_required_wrapper(request, *args, **kw): |
| + if request.user.is_authenticated(): |
| + return function(request, *args, **kw) |
| + return HttpResponseRedirect(users.create_login_url(request.path)) |
| + return login_required_wrapper |
| + |
| + |
| +class AuthLoginUrlsNode(Node): |
| + """Template node that creates an appengine login or logout URL. |
| + |
| + If create_login_url is True the appengine's login URL is rendered into |
| + the template, otherwise the logout URL. |
| + """ |
| + def __init__(self, create_login_url, redirect): |
| + self.redirect = redirect |
| + self.create_login_url = create_login_url |
| + |
| + def render(self, context): |
| + if self.create_login_url: |
| + return users.create_login_url(self.redirect) |
| + else: |
| + return users.create_logout_url(self.redirect) |
| + |
| + |
| +def auth_login_urls(parser, token): |
| + """Template tag registered as 'auth_login_url' and 'auth_logout_url' |
| + when the module is imported. |
| + |
| + Both tags take an optional argument that specifies the redirect URL and |
| + defaults to '/'. |
| + """ |
| + bits = list(token.split_contents()) |
| + if len(bits) == 2: |
| + redirect = bits[1] |
| + else: |
| + redirect = "/" |
| + login = bits[0] == "auth_login_url" |
| + return AuthLoginUrlsNode(login, redirect) |
| +register.tag("auth_login_url", auth_login_urls) |
| +register.tag("auth_logout_url", auth_login_urls) |
