X-Git-Url: http://git.ithinksw.org/philo.git/blobdiff_plain/d551c23cbb6af406607306fb2ce5572f2cca0d2a..77491cf6fbc97ab4b37c550a42dc673d55f044fa:/contrib/waldo/models.py diff --git a/contrib/waldo/models.py b/contrib/waldo/models.py index d0669ff..efb6504 100644 --- a/contrib/waldo/models.py +++ b/contrib/waldo/models.py @@ -2,22 +2,27 @@ 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 AuthenticationForm +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.core.urlresolvers import reverse from django.db import models from django.http import Http404, HttpResponseRedirect -from django.shortcuts import render_to_response +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_lazy, 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 LOGIN_FORM_KEY, LoginForm, RegistrationForm +from philo.contrib.waldo.tokens import registration_token_generator, email_token_generator +import urlparse ERROR_MESSAGE = ugettext_lazy("Please enter a correct username and password. Note that both fields are case-sensitive.") -LOGIN_FORM_KEY = 'this_is_the_login_form' -LoginForm = type('LoginForm', (AuthenticationForm,), { - LOGIN_FORM_KEY: forms.BooleanField(widget=forms.HiddenInput, initial=True) -}) def get_field_data(obj, fields): @@ -28,14 +33,37 @@ def get_field_data(obj, fields): class LoginMultiView(MultiView): - login_page = models.ForeignKey(Page, related_name='login_related') + """ + Handles login, registration, and forgotten passwords. In other words, this + multiview provides exclusively view and methods related to usernames and + passwords. + """ + login_page = models.ForeignKey(Page, related_name='%(app_label)s_%(class)s_login_related') + password_reset_page = models.ForeignKey(Page, related_name='%(app_label)s_%(class)s_password_reset_related') + password_reset_confirmation_email = models.ForeignKey(Page, related_name='%(app_label)s_%(class)s_password_reset_confirmation_email_related') + password_set_page = models.ForeignKey(Page, related_name='%(app_label)s_%(class)s_password_set_related') + password_change_page = models.ForeignKey(Page, related_name='%(app_label)s_%(class)s_password_change_related', blank=True, null=True) + register_page = models.ForeignKey(Page, related_name='%(app_label)s_%(class)s_register_related') + register_confirmation_email = models.ForeignKey(Page, related_name='%(app_label)s_%(class)s_register_confirmation_email_related') @property def urlpatterns(self): urlpatterns = patterns('', url(r'^login/$', self.login, name='login'), - url(r'^logout/$', self.logout, name='logout') + url(r'^logout/$', self.logout, name='logout'), + + url(r'^password/reset/$', csrf_protect(self.password_reset), name='password_reset'), + url(r'^password/reset/(?P\w+)/(?P[^/]+)/$', self.password_reset_confirm, name='password_reset_confirm'), + + url(r'^register/$', csrf_protect(self.register), name='register'), + url(r'^register/(?P\w+)/(?P[^/]+)/$', self.register_confirm, name='register_confirm') ) + + if self.password_change_page: + urlpatterns += patterns('', + url(r'^password/change/$', csrf_protect(self.login_required(self.password_change)), name='password_change'), + ) + return urlpatterns def get_context(self, extra_dict=None): @@ -46,7 +74,19 @@ class LoginMultiView(MultiView): def display_login_page(self, request, message, node=None, extra_context=None): request.session.set_test_cookie() - redirect = request.META.get('HTTP_REFERER', None) + 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]) + + if referrer is None: + redirect = node.get_absolute_url() + path = request.get_full_path() if redirect != path: if redirect is None: @@ -68,6 +108,9 @@ class LoginMultiView(MultiView): """ Displays the login form for the given HttpRequest. """ + if request.user.is_authenticated(): + return HttpResponseRedirect(node.get_absolute_url()) + context = self.get_context(extra_context) from django.contrib.auth.models import User @@ -111,7 +154,10 @@ class LoginMultiView(MultiView): else: if user.is_active: login(request, user) - redirect = request.session.pop('redirect') + try: + redirect = request.session.pop('redirect') + except KeyError: + redirect = node.get_absolute_url() return HttpResponseRedirect(redirect) else: return self.display_login_page(request, ERROR_MESSAGE, node, context) @@ -123,13 +169,147 @@ class LoginMultiView(MultiView): def login_required(self, view): def inner(request, node=None, *args, **kwargs): if not request.user.is_authenticated(): - root_url = node.get_path(Site.objects.get_current().root_node).strip('/') login_url = reverse('login', urlconf=self).strip('/') - return HttpResponseRedirect('/%s/%s/' % (root_url, login_url)) + return HttpResponseRedirect('%s%s/' % (node.get_absolute_url(), login_url)) return view(request, node=node, *args, **kwargs) return inner + 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, node=None, extra_context=None, token_generator=password_token_generator): + if request.user.is_authenticated(): + return HttpResponseRedirect(node.get_absolute_url()) + + if request.method == 'POST': + form = PasswordResetForm(request.POST) + if form.is_valid(): + current_site = Site.objects.get_current() + for user in form.users_cache: + token = token_generator.make_token(user) + link = 'http://%s/%s/%s/' % (current_site.domain, node.get_absolute_url().strip('/'), reverse('password_reset_confirm', urlconf=self, kwargs={'uidb36': int_to_base36(user.id), 'token': token}).strip('/')) + context = { + 'link': link, + '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 = PasswordResetForm() + + context = self.get_context({'form': form}) + context.update(extra_context or {}) + return self.password_reset_page.render_to_response(node, request, extra_context=context) + + def password_reset_confirm(self, request, node=None, 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 = SetPasswordForm(user, request.POST) + + if form.is_valid(): + form.save() + messages.add_message(request, messages.SUCCESS, "Password reset successful.") + return HttpResponseRedirect('/%s/%s/' % (node.get_absolute_url().strip('/'), reverse('login', urlconf=self).strip('/'))) + else: + form = SetPasswordForm(user) + + context = self.get_context({'form': form}) + return self.password_set_page.render_to_response(node, request, extra_context=context) + + raise Http404 + + def password_change(self, request, node=None, extra_context=None): + if request.method == 'POST': + form = PasswordChangeForm(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 = PasswordChangeForm(request.user) + + context = self.get_context({'form': form}) + context.update(extra_context or {}) + return self.password_change_page.render_to_response(node, request, extra_context=context) + + def register(self, request, node=None, extra_context=None, token_generator=registration_token_generator): + if request.user.is_authenticated(): + return HttpResponseRedirect(node.get_absolute_url()) + + if request.method == 'POST': + form = RegistrationForm(request.POST) + if form.is_valid(): + user = form.save() + current_site = Site.objects.get_current() + token = token_generator.make_token(user) + link = 'http://%s/%s/%s/' % (current_site.domain, node.get_absolute_url().strip('/'), reverse('register_confirm', urlconf=self, kwargs={'uidb36': int_to_base36(user.id), 'token': token}).strip('/')) + context = { + 'link': link + } + 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(node.get_absolute_url()) + else: + form = RegistrationForm() + + context = self.get_context({'form': form}) + context.update(extra_context or {}) + return self.register_page.render_to_response(node, request, extra_context=context) + + def register_confirm(self, request, node=None, 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 + 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, ABSOLUTELY make sure that the true password is restored. + user.password = true_password + user.save() + return self.post_register_confirm_redirect(request, node) + + raise Http404 + + def post_register_confirm_redirect(self, request, node): + return HttpResponseRedirect(node.get_absolute_url()) + class Meta: abstract = True @@ -140,7 +320,8 @@ class AccountMultiView(LoginMultiView): to include in the account, and fields from the account profile to use in the account. """ - manage_account_page = models.ForeignKey(Page, related_name='classifieds_manage_account_page') + manage_account_page = models.ForeignKey(Page, related_name='%(app_label)s_%(class)s_manage_account_related') + email_change_confirmation_email = models.ForeignKey(Page, related_name='%(app_label)s_%(class)s_email_change_confirmation_email_related') user_fields = ['first_name', 'last_name', 'email'] required_user_fields = user_fields account_profile = None @@ -150,7 +331,8 @@ class AccountMultiView(LoginMultiView): def urlpatterns(self): urlpatterns = super(AccountMultiView, self).urlpatterns urlpatterns += patterns('', - url(r'^account/$', self.login_required(self.account_view), name='account') + url(r'^account/$', self.login_required(self.account_view), name='account'), + url(r'^account/email/(?P\w+)/(?P[\w.]+[+][\w.]+)/(?P[^/]+)/$', self.email_change_confirm, name='email_change_confirm') ) return urlpatterns @@ -181,14 +363,33 @@ class AccountMultiView(LoginMultiView): return form_instances - def account_view(self, request, node=None, extra_context=None): + def account_view(self, request, node=None, extra_context=None, token_generator=email_token_generator, *args, **kwargs): if request.method == 'POST': form_instances = self.get_account_form_instances(request.user, request.POST) + current_email = request.user.email for form in form_instances: if not form.is_valid(): break else: + # When the user_form is validated, it changes the model instance, i.e. request.user, in place. + email = request.user.email + if current_email != email: + + request.user.email = current_email + + for form in form_instances: + form.cleaned_data.pop('email', None) + + current_site = Site.objects.get_current() + token = token_generator.make_token(request.user, email) + link = 'http://%s/%s/%s/' % (current_site.domain, node.get_absolute_url().strip('/'), reverse('email_change_confirm', urlconf=self, kwargs={'uidb36': int_to_base36(request.user.id), 'email': email.replace('@', '+'), 'token': token}).strip('/')) + context = { + 'link': link + } + self.send_confirmation_email('Confirm account email change at %s' % current_site.domain, email, self.email_change_confirmation_email, context) + messages.add_message(request, messages.SUCCESS, "An email has be sent to %s to confirm the email change." % email) + for form in form_instances: form.save() messages.add_message(request, messages.SUCCESS, "Account information saved.", fail_silently=True) @@ -219,12 +420,44 @@ class AccountMultiView(LoginMultiView): 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 post listings.") + if not request.method == "POST": + messages.add_message(request, messages.ERROR, "You need to add some account information before you can access this page.", fail_silently=True) return self.account_view(request, *args, **kwargs) return view(request, *args, **kwargs) inner = self.login_required(inner) return inner + def post_register_confirm_redirect(self, request, node): + messages.add_message(request, messages.INFO, 'Welcome! Please fill in some more information.', fail_silently=True) + return HttpResponseRedirect('/%s/%s/' % (node.get_absolute_url().strip('/'), reverse('account', urlconf=self).strip('/'))) + + def email_change_confirm(self, request, node=None, 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.') + return HttpResponseRedirect('/%s/%s/' % (node.get_absolute_url().strip('/'), reverse('account', urlconf=self).strip('/'))) + + raise Http404 + class Meta: abstract = True \ No newline at end of file