Revision b6496f0c snf-astakos-app/astakos/im/views/decorators.py
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from functools import wraps |
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from django.utils.http import urlquote |
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from django.contrib import messages |
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from django.contrib.auth.decorators import login_required |
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from django.core.exceptions import PermissionDenied |
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from django.core.urlresolvers import reverse |
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from django.http import HttpResponse, HttpResponseRedirect |
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from django.utils.decorators import available_attrs |
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from django.utils.http import urlencode |
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from astakos.im import auth_providers as auth |
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from astakos.im.cookie import CookieHandler |
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REDIRECT_FIELD_NAME = 'next' |
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def user_passes_test(test_func, login_url=None, |
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redirect_field_name=REDIRECT_FIELD_NAME): |
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""" |
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Decorator for views that checks that the user passes the given test, |
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redirecting to the log-in page if necessary. The test should be a callable |
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that takes the user object and returns True if the user passes. |
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""" |
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if not login_url: |
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from django.conf import settings |
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login_url = settings.LOGIN_URL |
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def decorator(view_func): |
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def _wrapped_view(request, *args, **kwargs): |
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if test_func(request.user): |
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return view_func(request, *args, **kwargs) |
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path = urlquote(request.get_full_path()) |
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tup = reverse('login'), redirect_field_name, path
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return HttpResponseRedirect('%s?%s=%s' % tup)
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return wraps(view_func, |
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assigned=available_attrs(view_func))(_wrapped_view) |
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return decorator |
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def login_required(function=None, redirect_field_name=REDIRECT_FIELD_NAME, |
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login_url=None): |
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""" |
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Decorator for views that checks that the user is logged in, redirecting |
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to the log-in page if necessary. |
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""" |
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actual_decorator = user_passes_test( |
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lambda u: u.is_authenticated(), |
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redirect_field_name=redirect_field_name, |
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) |
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if function: |
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return actual_decorator(function) |
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return actual_decorator |
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def cookie_fix(func): |
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""" |
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def requires_auth_provider(provider_id, **perms): |
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""" |
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View requires specified authentication module to be enabled in |
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ASTAKOS_IM_MODULES setting. |
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""" |
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def decorator(func, *args, **kwargs): |
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@wraps(func) |
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