author | Lennard de Rijk <ljvderijk@gmail.com> |
Wed, 10 Dec 2008 07:38:56 +0000 | |
changeset 717 | f3f43ba566ef |
parent 323 | ff1a9aa48cfd |
permissions | -rw-r--r-- |
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Major reorganization of the soc svn repo, to merge into a single App Engine
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import base64 |
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try: |
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from functools import wraps |
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except ImportError: |
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from django.utils.functional import wraps # Python 2.3, 2.4 fallback. |
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|
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from django import http, template |
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from django.conf import settings |
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from django.contrib.auth.models import User |
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from django.contrib.auth import authenticate, login |
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from django.shortcuts import render_to_response |
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from django.utils.translation import ugettext_lazy, ugettext as _ |
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|
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ERROR_MESSAGE = ugettext_lazy("Please enter a correct username and password. Note that both fields are case-sensitive.") |
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LOGIN_FORM_KEY = 'this_is_the_login_form' |
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|
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def _display_login_form(request, error_message=''): |
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request.session.set_test_cookie() |
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return render_to_response('admin/login.html', { |
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'title': _('Log in'), |
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'app_path': request.get_full_path(), |
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'error_message': error_message |
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}, context_instance=template.RequestContext(request)) |
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|
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def staff_member_required(view_func): |
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""" |
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Decorator for views that checks that the user is logged in and is a staff |
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member, displaying the login page if necessary. |
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""" |
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def _checklogin(request, *args, **kwargs): |
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if request.user.is_authenticated() and request.user.is_staff: |
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# The user is valid. Continue to the admin page. |
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return view_func(request, *args, **kwargs) |
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|
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assert hasattr(request, 'session'), "The Django admin requires session middleware to be installed. Edit your MIDDLEWARE_CLASSES setting to insert 'django.contrib.sessions.middleware.SessionMiddleware'." |
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|
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# If this isn't already the login page, display it. |
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if LOGIN_FORM_KEY not in request.POST: |
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if request.POST: |
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parents:
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message = _("Please log in again, because your session has expired.") |
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else: |
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message = "" |
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return _display_login_form(request, message) |
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|
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# Check that the user accepts cookies. |
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if not request.session.test_cookie_worked(): |
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message = _("Looks like your browser isn't configured to accept cookies. Please enable cookies, reload this page, and try again.") |
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return _display_login_form(request, message) |
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else: |
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request.session.delete_test_cookie() |
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|
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# Check the password. |
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username = request.POST.get('username', None) |
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password = request.POST.get('password', None) |
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user = authenticate(username=username, password=password) |
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if user is None: |
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message = ERROR_MESSAGE |
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if '@' in username: |
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# Mistakenly entered e-mail address instead of username? Look it up. |
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users = list(User.objects.filter(email=username)) |
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if len(users) == 1 and users[0].check_password(password): |
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message = _("Your e-mail address is not your username. Try '%s' instead.") % users[0].username |
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else: |
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# Either we cannot find the user, or if more than 1 |
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# we cannot guess which user is the correct one. |
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message = _("Usernames cannot contain the '@' character.") |
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return _display_login_form(request, message) |
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|
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# The user data is correct; log in the user in and continue. |
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else: |
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if user.is_active and user.is_staff: |
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login(request, user) |
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return http.HttpResponseRedirect(request.get_full_path()) |
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else: |
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Major reorganization of the soc svn repo, to merge into a single App Engine
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return _display_login_form(request, ERROR_MESSAGE) |
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|
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return wraps(view_func)(_checklogin) |