--- /dev/null
+from django import forms
+from django.conf.urls.defaults import url, patterns, include
+from django.contrib import messages
+from django.contrib.auth import authenticate, login, views as auth_views
+from django.contrib.auth.forms import PasswordResetForm, SetPasswordForm, PasswordChangeForm
+from django.contrib.auth.models import User
+from django.contrib.auth.tokens import default_token_generator as password_token_generator
+from django.contrib.sites.models import Site
+from django.core.mail import EmailMultiAlternatives, send_mail
+from django.db import models
+from django.http import Http404, HttpResponseRedirect
+from django.shortcuts import render_to_response, get_object_or_404
+from django.template.defaultfilters import striptags
+from django.utils.http import int_to_base36, base36_to_int
+from django.utils.translation import ugettext as _
+from django.views.decorators.cache import never_cache
+from django.views.decorators.csrf import csrf_protect
+from philo.models import MultiView, Page
+from philo.contrib.waldo.forms import WaldoAuthenticationForm, RegistrationForm, UserAccountForm
+from philo.contrib.waldo.tokens import registration_token_generator, email_token_generator
+import urlparse
+
+
+class LoginMultiView(MultiView):
+ """
+ Handles exclusively methods and views related to logging users in and out.
+ """
+ login_page = models.ForeignKey(Page, related_name='%(app_label)s_%(class)s_login_related')
+ login_form = WaldoAuthenticationForm
+
+ @property
+ def urlpatterns(self):
+ return patterns('',
+ url(r'^login$', self.login, name='login'),
+ url(r'^logout$', self.logout, name='logout'),
+ )
+
+ def set_requirement_redirect(self, request, redirect=None):
+ "Figure out where someone should end up after landing on a `requirement` page like the login page."
+ if redirect is not None:
+ pass
+ elif 'requirement_redirect' in request.session:
+ return
+ else:
+ referrer = request.META.get('HTTP_REFERER', None)
+
+ if referrer is not None:
+ referrer = urlparse.urlparse(referrer)
+ host = referrer[1]
+ if host != request.get_host():
+ referrer = None
+ else:
+ redirect = '%s?%s' % (referrer[2], referrer[4])
+
+ path = request.get_full_path()
+ if referrer is None or redirect == path:
+ # Default to the index page if we can't find a referrer or
+ # if we'd otherwise redirect to where we already are.
+ redirect = request.node.get_absolute_url()
+
+ request.session['requirement_redirect'] = redirect
+
+ def get_requirement_redirect(self, request, default=None):
+ redirect = request.session.pop('requirement_redirect', None)
+ # Security checks a la django.contrib.auth.views.login
+ if not redirect or ' ' in redirect:
+ redirect = default
+ else:
+ netloc = urlparse.urlparse(redirect)[1]
+ if netloc and netloc != request.get_host():
+ redirect = default
+ if redirect is None:
+ redirect = request.node.get_absolute_url()
+ return redirect
+
+ @never_cache
+ def login(self, request, extra_context=None):
+ """
+ Displays the login form for the given HttpRequest.
+ """
+ self.set_requirement_redirect(request)
+
+ # Redirect already-authenticated users to the index page.
+ if request.user.is_authenticated():
+ messages.add_message(request, messages.INFO, "You are already authenticated. Please log out if you wish to log in as a different user.")
+ return HttpResponseRedirect(self.get_requirement_redirect(request))
+
+ if request.method == 'POST':
+ form = self.login_form(request=request, data=request.POST)
+ if form.is_valid():
+ redirect = self.get_requirement_redirect(request)
+ login(request, form.get_user())
+
+ if request.session.test_cookie_worked():
+ request.session.delete_test_cookie()
+
+ return HttpResponseRedirect(redirect)
+ else:
+ form = self.login_form()
+
+ request.session.set_test_cookie()
+
+ context = self.get_context()
+ context.update(extra_context or {})
+ context.update({
+ 'form': form
+ })
+ return self.login_page.render_to_response(request, extra_context=context)
+
+ @never_cache
+ def logout(self, request, extra_context=None):
+ return auth_views.logout(request, request.META.get('HTTP_REFERER', request.node.get_absolute_url()))
+
+ def login_required(self, view):
+ def inner(request, *args, **kwargs):
+ if not request.user.is_authenticated():
+ self.set_requirement_redirect(request, redirect=request.path)
+ if request.POST:
+ messages.add_message(request, messages.ERROR, "Please log in again, because your session has expired.")
+ return HttpResponseRedirect(self.reverse('login', node=request.node))
+ return view(request, *args, **kwargs)
+
+ return inner
+
+ class Meta:
+ abstract = True
+
+
+class PasswordMultiView(LoginMultiView):
+ "Adds on views for password-related functions."
+ password_reset_page = models.ForeignKey(Page, related_name='%(app_label)s_%(class)s_password_reset_related', blank=True, null=True)
+ password_reset_confirmation_email = models.ForeignKey(Page, related_name='%(app_label)s_%(class)s_password_reset_confirmation_email_related', blank=True, null=True)
+ password_set_page = models.ForeignKey(Page, related_name='%(app_label)s_%(class)s_password_set_related', blank=True, null=True)
+ password_change_page = models.ForeignKey(Page, related_name='%(app_label)s_%(class)s_password_change_related', blank=True, null=True)
+
+ password_change_form = PasswordChangeForm
+ password_set_form = SetPasswordForm
+ password_reset_form = PasswordResetForm
+
+ @property
+ def urlpatterns(self):
+ urlpatterns = super(PasswordMultiView, self).urlpatterns
+
+ if self.password_reset_page and self.password_reset_confirmation_email and self.password_set_page:
+ urlpatterns += patterns('',
+ url(r'^password/reset$', csrf_protect(self.password_reset), name='password_reset'),
+ url(r'^password/reset/(?P<uidb36>\w+)/(?P<token>[^/]+)$', self.password_reset_confirm, name='password_reset_confirm'),
+ )
+
+ if self.password_change_page:
+ urlpatterns += patterns('',
+ url(r'^password/change$', csrf_protect(self.login_required(self.password_change)), name='password_change'),
+ )
+ return urlpatterns
+
+ def make_confirmation_link(self, confirmation_view, token_generator, user, node, token_args=None, reverse_kwargs=None, secure=False):
+ token = token_generator.make_token(user, *(token_args or []))
+ kwargs = {
+ 'uidb36': int_to_base36(user.id),
+ 'token': token
+ }
+ kwargs.update(reverse_kwargs or {})
+ return node.construct_url(subpath=self.reverse(confirmation_view, kwargs=kwargs), with_domain=True, secure=secure)
+
+ def send_confirmation_email(self, subject, email, page, extra_context):
+ text_content = page.render_to_string(extra_context=extra_context)
+ from_email = 'noreply@%s' % Site.objects.get_current().domain
+
+ if page.template.mimetype == 'text/html':
+ msg = EmailMultiAlternatives(subject, striptags(text_content), from_email, [email])
+ msg.attach_alternative(text_content, 'text/html')
+ msg.send()
+ else:
+ send_mail(subject, text_content, from_email, [email])
+
+ def password_reset(self, request, extra_context=None, token_generator=password_token_generator):
+ if request.user.is_authenticated():
+ return HttpResponseRedirect(request.node.get_absolute_url())
+
+ if request.method == 'POST':
+ form = self.password_reset_form(request.POST)
+ if form.is_valid():
+ current_site = Site.objects.get_current()
+ for user in form.users_cache:
+ context = {
+ 'link': self.make_confirmation_link('password_reset_confirm', token_generator, user, request.node, secure=request.is_secure()),
+ 'user': user,
+ 'site': current_site,
+ 'request': request,
+
+ # Deprecated... leave in for backwards-compatibility
+ 'username': user.username
+ }
+ self.send_confirmation_email('Confirm password reset for account at %s' % current_site.domain, user.email, self.password_reset_confirmation_email, context)
+ messages.add_message(request, messages.SUCCESS, "An email has been sent to the address you provided with details on resetting your password.", fail_silently=True)
+ return HttpResponseRedirect('')
+ else:
+ form = self.password_reset_form()
+
+ context = self.get_context()
+ context.update(extra_context or {})
+ context.update({
+ 'form': form
+ })
+ return self.password_reset_page.render_to_response(request, extra_context=context)
+
+ def password_reset_confirm(self, request, extra_context=None, uidb36=None, token=None, token_generator=password_token_generator):
+ """
+ Checks that a given hash in a password reset link is valid. If so,
+ displays the password set form.
+ """
+ assert uidb36 is not None and token is not None
+ try:
+ uid_int = base36_to_int(uidb36)
+ except:
+ raise Http404
+
+ user = get_object_or_404(User, id=uid_int)
+
+ if token_generator.check_token(user, token):
+ if request.method == 'POST':
+ form = self.password_set_form(user, request.POST)
+
+ if form.is_valid():
+ form.save()
+ messages.add_message(request, messages.SUCCESS, "Password reset successful.")
+ return HttpResponseRedirect(self.reverse('login', node=request.node))
+ else:
+ form = self.password_set_form(user)
+
+ context = self.get_context()
+ context.update(extra_context or {})
+ context.update({
+ 'form': form
+ })
+ return self.password_set_page.render_to_response(request, extra_context=context)
+
+ raise Http404
+
+ def password_change(self, request, extra_context=None):
+ if request.method == 'POST':
+ form = self.password_change_form(request.user, request.POST)
+ if form.is_valid():
+ form.save()
+ messages.add_message(request, messages.SUCCESS, 'Password changed successfully.', fail_silently=True)
+ return HttpResponseRedirect('')
+ else:
+ form = self.password_change_form(request.user)
+
+ context = self.get_context()
+ context.update(extra_context or {})
+ context.update({
+ 'form': form
+ })
+ return self.password_change_page.render_to_response(request, extra_context=context)
+
+ class Meta:
+ abstract = True
+
+
+class RegistrationMultiView(PasswordMultiView):
+ """Adds on the pages necessary for letting new users register."""
+ register_page = models.ForeignKey(Page, related_name='%(app_label)s_%(class)s_register_related', blank=True, null=True)
+ register_confirmation_email = models.ForeignKey(Page, related_name='%(app_label)s_%(class)s_register_confirmation_email_related', blank=True, null=True)
+ registration_form = RegistrationForm
+
+ @property
+ def urlpatterns(self):
+ urlpatterns = super(RegistrationMultiView, self).urlpatterns
+ if self.register_page and self.register_confirmation_email:
+ urlpatterns += patterns('',
+ url(r'^register$', csrf_protect(self.register), name='register'),
+ url(r'^register/(?P<uidb36>\w+)/(?P<token>[^/]+)$', self.register_confirm, name='register_confirm')
+ )
+ return urlpatterns
+
+ def register(self, request, extra_context=None, token_generator=registration_token_generator):
+ if request.user.is_authenticated():
+ return HttpResponseRedirect(request.node.get_absolute_url())
+
+ if request.method == 'POST':
+ form = self.registration_form(request.POST)
+ if form.is_valid():
+ user = form.save()
+ current_site = Site.objects.get_current()
+ context = {
+ 'link': self.make_confirmation_link('register_confirm', token_generator, user, request.node, secure=request.is_secure()),
+ 'user': user,
+ 'site': current_site,
+ 'request': request
+ }
+ self.send_confirmation_email('Confirm account creation at %s' % current_site.name, user.email, self.register_confirmation_email, context)
+ messages.add_message(request, messages.SUCCESS, 'An email has been sent to %s with details on activating your account.' % user.email, fail_silently=True)
+ return HttpResponseRedirect(request.node.get_absolute_url())
+ else:
+ form = self.registration_form()
+
+ context = self.get_context()
+ context.update(extra_context or {})
+ context.update({
+ 'form': form
+ })
+ return self.register_page.render_to_response(request, extra_context=context)
+
+ def register_confirm(self, request, extra_context=None, uidb36=None, token=None, token_generator=registration_token_generator):
+ """
+ Checks that a given hash in a registration link is valid and activates
+ the given account. If so, log them in and redirect to
+ self.post_register_confirm_redirect.
+ """
+ assert uidb36 is not None and token is not None
+ try:
+ uid_int = base36_to_int(uidb36)
+ except:
+ raise Http404
+
+ user = get_object_or_404(User, id=uid_int)
+ if token_generator.check_token(user, token):
+ user.is_active = True
+ true_password = user.password
+ temp_password = token_generator.make_token(user)
+ try:
+ user.set_password(temp_password)
+ user.save()
+ authenticated_user = authenticate(username=user.username, password=temp_password)
+ login(request, authenticated_user)
+ finally:
+ # if anything goes wrong, do our best make sure that the true password is restored.
+ user.password = true_password
+ user.save()
+ return self.post_register_confirm_redirect(request)
+
+ raise Http404
+
+ def post_register_confirm_redirect(self, request):
+ return HttpResponseRedirect(request.node.get_absolute_url())
+
+ class Meta:
+ abstract = True
+
+
+class AccountMultiView(RegistrationMultiView):
+ """
+ By default, the `account` consists of the first_name, last_name, and email fields
+ of the User model. Using a different account model is as simple as writing a form that
+ accepts a User instance as the first argument.
+ """
+ manage_account_page = models.ForeignKey(Page, related_name='%(app_label)s_%(class)s_manage_account_related', blank=True, null=True)
+ email_change_confirmation_email = models.ForeignKey(Page, related_name='%(app_label)s_%(class)s_email_change_confirmation_email_related', blank=True, null=True, help_text="If this is left blank, email changes will be performed without confirmation.")
+
+ account_form = UserAccountForm
+
+ @property
+ def urlpatterns(self):
+ urlpatterns = super(AccountMultiView, self).urlpatterns
+ if self.manage_account_page:
+ urlpatterns += patterns('',
+ url(r'^account$', self.login_required(self.account_view), name='account'),
+ )
+ if self.email_change_confirmation_email:
+ urlpatterns += patterns('',
+ url(r'^account/email/(?P<uidb36>\w+)/(?P<email>[\w.]+[+][\w.]+)/(?P<token>[^/]+)$', self.email_change_confirm, name='email_change_confirm')
+ )
+ return urlpatterns
+
+ def account_view(self, request, extra_context=None, token_generator=email_token_generator, *args, **kwargs):
+ if request.method == 'POST':
+ form = self.account_form(request.user, request.POST, request.FILES)
+
+ if form.is_valid():
+ message = "Account information saved."
+ redirect = self.get_requirement_redirect(request, default='')
+ if 'email' in form.changed_data and self.email_change_confirmation_email:
+ # ModelForms modify their instances in-place during
+ # validation, so reset the instance's email to its
+ # previous value here, then remove the new value
+ # from cleaned_data. We only do this if an email
+ # change confirmation email is available.
+ request.user.email = form.initial['email']
+
+ email = form.cleaned_data.pop('email')
+
+ current_site = Site.objects.get_current()
+
+ context = {
+ 'link': self.make_confirmation_link('email_change_confirm', token_generator, request.user, request.node, token_args=[email], reverse_kwargs={'email': email.replace('@', '+')}, secure=request.is_secure()),
+ 'user': request.user,
+ 'site': current_site,
+ 'request': request
+ }
+ self.send_confirmation_email('Confirm account email change at %s' % current_site.domain, email, self.email_change_confirmation_email, context)
+
+ message = "An email has be sent to %s to confirm the email%s." % (email, bool(request.user.email) and " change" or "")
+ if not request.user.email:
+ message += " You will need to confirm the email before accessing pages that require a valid account."
+ redirect = ''
+
+ form.save()
+
+ if redirect != '':
+ message += " Here you go!"
+
+ messages.add_message(request, messages.SUCCESS, message, fail_silently=True)
+ return HttpResponseRedirect(redirect)
+ else:
+ form = self.account_form(request.user)
+
+ context = self.get_context()
+ context.update(extra_context or {})
+ context.update({
+ 'form': form
+ })
+ return self.manage_account_page.render_to_response(request, extra_context=context)
+
+ def has_valid_account(self, user):
+ form = self.account_form(user, {})
+ form.data = form.initial
+ return form.is_valid()
+
+ def account_required(self, view):
+ def inner(request, *args, **kwargs):
+ if not self.has_valid_account(request.user):
+ messages.add_message(request, messages.ERROR, "You need to add some account information before you can access that page.", fail_silently=True)
+ if self.manage_account_page:
+ self.set_requirement_redirect(request, redirect=request.path)
+ redirect = self.reverse('account', node=request.node)
+ else:
+ redirect = node.get_absolute_url()
+ return HttpResponseRedirect(redirect)
+ return view(request, *args, **kwargs)
+
+ inner = self.login_required(inner)
+ return inner
+
+ def post_register_confirm_redirect(self, request):
+ if self.manage_account_page:
+ messages.add_message(request, messages.INFO, 'Welcome! Please fill in some more information.', fail_silently=True)
+ return HttpResponseRedirect(self.reverse('account', node=request.node))
+ return super(AccountMultiView, self).post_register_confirm_redirect(request)
+
+ def email_change_confirm(self, request, extra_context=None, uidb36=None, token=None, email=None, token_generator=email_token_generator):
+ """
+ Checks that a given hash in an email change link is valid. If so, changes the email and redirects to the account page.
+ """
+ assert uidb36 is not None and token is not None and email is not None
+
+ try:
+ uid_int = base36_to_int(uidb36)
+ except:
+ raise Http404
+
+ user = get_object_or_404(User, id=uid_int)
+
+ email = '@'.join(email.rsplit('+', 1))
+
+ if email == user.email:
+ # Then short-circuit.
+ raise Http404
+
+ if token_generator.check_token(user, email, token):
+ user.email = email
+ user.save()
+ messages.add_message(request, messages.SUCCESS, 'Email changed successfully.')
+ if self.manage_account_page:
+ redirect = self.reverse('account', node=request.node)
+ else:
+ redirect = request.node.get_absolute_url()
+ return HttpResponseRedirect(redirect)
+
+ raise Http404
+
+ class Meta:
+ abstract = True
\ No newline at end of file
git.ithinksw.org / philo.git / blobdiff