from django.shortcuts import render_to_response, get_object_or_404 from django.template import RequestContext from django.core.urlresolvers import reverse from forum.models import User from django.http import HttpResponseRedirect, Http404 from django.utils.safestring import mark_safe from django.utils.translation import ugettext as _ from django.utils.http import urlquote_plus from django.contrib.auth.decorators import login_required from django.contrib.auth import login, logout from django.http import get_host import types import datetime from forum.authentication.forms import SimpleRegistrationForm, SimpleEmailSubscribeForm, \ TemporaryLoginRequestForm, ChangePasswordForm, SetPasswordForm from forum.utils.mail import send_email from forum.authentication.base import InvalidAuthentication from forum.authentication import AUTH_PROVIDERS, user_logged_in from forum.models import AuthKeyUserAssociation, ValidationHash, Question, Answer def signin_page(request, action=None): if action is None: request.session['on_signin_url'] = request.META.get('HTTP_REFERER', '/') else: request.session['on_signin_action'] = action request.session['on_signin_url'] = reverse('auth_action_signin', kwargs={'action': action}) all_providers = [provider.context for provider in AUTH_PROVIDERS.values()] sort = lambda c1, c2: c1.weight - c2.weight can_show = lambda c: not request.user.is_authenticated() or c.show_to_logged_in_user bigicon_providers = sorted([ context for context in all_providers if context.mode == 'BIGICON' and can_show(context) ], sort) smallicon_providers = sorted([ context for context in all_providers if context.mode == 'SMALLICON' and can_show(context) ], sort) top_stackitem_providers = sorted([ context for context in all_providers if context.mode == 'TOP_STACK_ITEM' and can_show(context) ], sort) stackitem_providers = sorted([ context for context in all_providers if context.mode == 'STACK_ITEM' and can_show(context) ], sort) try: msg = request.session['auth_error'] del request.session['auth_error'] except: msg = None return render_to_response( 'auth/signin.html', { 'msg': msg, 'all_providers': all_providers, 'bigicon_providers': bigicon_providers, 'top_stackitem_providers': top_stackitem_providers, 'stackitem_providers': stackitem_providers, 'smallicon_providers': smallicon_providers, }, RequestContext(request)) def prepare_provider_signin(request, provider): force_email_request = request.REQUEST.get('validate_email', 'yes') == 'yes' request.session['force_email_request'] = force_email_request if provider in AUTH_PROVIDERS: provider_class = AUTH_PROVIDERS[provider].consumer try: request_url = provider_class.prepare_authentication_request(request, reverse('auth_provider_done', kwargs={'provider': provider})) return HttpResponseRedirect(request_url) except NotImplementedError, e: return process_provider_signin(request, provider) except InvalidAuthentication, e: request.session['auth_error'] = e.message return HttpResponseRedirect(reverse('auth_signin')) def process_provider_signin(request, provider): if provider in AUTH_PROVIDERS: provider_class = AUTH_PROVIDERS[provider].consumer try: assoc_key = provider_class.process_authentication_request(request) except InvalidAuthentication, e: request.session['auth_error'] = e.message return HttpResponseRedirect(reverse('auth_signin')) if request.user.is_authenticated(): if isinstance(assoc_key, (type, User)): if request.user != assoc_key: request.session['auth_error'] = _("Sorry, these login credentials belong to anoother user. Plese terminate your current session and try again.") else: request.session['auth_error'] = _("You are already logged in with that user.") else: try: assoc = AuthKeyUserAssociation.objects.get(key=assoc_key) if assoc.user == request.user: request.session['auth_error'] = _("These login credentials are already associated with your account.") else: request.session['auth_error'] = _("Sorry, these login credentials belong to anoother user. Plese terminate your current session and try again.") except: uassoc = AuthKeyUserAssociation(user=request.user, key=assoc_key, provider=provider) uassoc.save() request.user.message_set.create(message=_('The new credentials are now associated with your account')) return HttpResponseRedirect(reverse('user_authsettings')) return HttpResponseRedirect(reverse('auth_signin')) else: if isinstance(assoc_key, User): return login_and_forward(request, assoc_key) try: assoc = AuthKeyUserAssociation.objects.get(key=assoc_key) user_ = assoc.user return login_and_forward(request, user_) except: request.session['assoc_key'] = assoc_key request.session['auth_provider'] = provider return HttpResponseRedirect(reverse('auth_external_register')) return HttpResponseRedirect(reverse('auth_signin')) def external_register(request): if request.method == 'POST' and 'bnewaccount' in request.POST: form1 = SimpleRegistrationForm(request.POST) email_feeds_form = SimpleEmailSubscribeForm(request.POST) if (form1.is_valid() and email_feeds_form.is_valid()): user_ = User(username=form1.cleaned_data['username'], email=form1.cleaned_data['email']) user_.email_isvalid = request.session.get('auth_validated_email', '') == form1.cleaned_data['email'] user_.set_unusable_password() if User.objects.all().count() == 0: user_.is_superuser = True user_.save() if not user_.email_isvalid: send_validation_email(user_) try: assoc_key = request.session['assoc_key'] auth_provider = request.session['auth_provider'] except: request.session['auth_error'] = _("Oops, something went wrong in the middle of this process. Please try again.") return HttpResponseRedirect(request.session.get('on_signin_url', reverse('auth_signin'))) uassoc = AuthKeyUserAssociation(user=user_, key=request.session['assoc_key'], provider=request.session['auth_provider']) uassoc.save() if email_feeds_form.cleaned_data['subscribe'] == 'n': user_.subscription_settings.enable_notifications = False user_.subscription_settings.save() del request.session['assoc_key'] del request.session['auth_provider'] if user_.email_isvalid: return login_and_forward(request, user_) else: return HttpResponseRedirect(reverse('index')) else: provider_class = AUTH_PROVIDERS[request.session['auth_provider']].consumer user_data = provider_class.get_user_data(request.session['assoc_key']) username = user_data.get('username', '') email = user_data.get('email', '') if not email: email = request.session.get('auth_email_request', '') if email: request.session['auth_validated_email'] = email form1 = SimpleRegistrationForm(initial={ 'next': '/', 'username': username, 'email': email, }) email_feeds_form = SimpleEmailSubscribeForm() provider_context = AUTH_PROVIDERS[request.session['auth_provider']].context return render_to_response('auth/complete.html', { 'form1': form1, 'email_feeds_form': email_feeds_form, 'provider':mark_safe(provider_context.human_name), 'login_type':provider_context.id, 'gravatar_faq_url':reverse('faq') + '#gravatar', }, context_instance=RequestContext(request)) def request_temp_login(request): if request.method == 'POST': form = TemporaryLoginRequestForm(request.POST) if form.is_valid(): user = form.user_cache try: hash = get_object_or_404(ValidationHash, user=user, type='templogin') if hash.expiration < datetime.datetime.now(): hash.delete() return request_temp_login(request) except: hash = ValidationHash.objects.create_new(user, 'templogin', [user.id]) send_email(_("Temporary login link"), [(user.username, user.email)], "auth/temp_login_email.html", { 'temp_login_code': hash, 'user': user }) request.user.message_set.create(message=_("An email has been sent with your temporary login key")) return HttpResponseRedirect(reverse('index')) else: form = TemporaryLoginRequestForm() return render_to_response( 'auth/temp_login_request.html', {'form': form}, context_instance=RequestContext(request)) def temp_signin(request, user, code): user = get_object_or_404(User, id=user) if (ValidationHash.objects.validate(code, user, 'templogin', [user.id])): return login_and_forward(request, user, reverse('user_authsettings'), _("You are logged in with a temporary access key, please take the time to fix your issue with authentication.")) else: raise Http404() def send_validation_email(user): hash = ValidationHash.objects.create_new(user, 'email', [user.email]) send_email(_("Email Validation"), [(user.username, user.email)], "auth/email_validation.html", { 'validation_code': hash, 'user': user }) def validate_email(request, user, code): user = get_object_or_404(User, id=user) if (ValidationHash.objects.validate(code, user, 'email', [user.email])): user.email_isvalid = True user.save() return login_and_forward(request, user, None, _("Thank you, your email is now validated.")) else: raise Http404() @login_required def auth_settings(request): """ change password view. url : /changepw/ template: authopenid/changepw.html """ user_ = request.user auth_keys = user_.auth_keys.all() if user_.has_usable_password(): FormClass = ChangePasswordForm else: FormClass = SetPasswordForm if request.POST: form = FormClass(request.POST, user=user_) if form.is_valid(): if user_.has_usable_password(): request.user.message_set.create(message=_("Your password was changed")) else: request.user.message_set.create(message=_("New password set")) FormClass = ChangePasswordForm user_.set_password(form.cleaned_data['password1']) user_.save() return HttpResponseRedirect(reverse('user_authsettings')) form = FormClass(user=user_) auth_keys_list = [] for k in auth_keys: provider = AUTH_PROVIDERS.get(k.provider, None) if provider is not None: name = "%s: %s" % (provider.context.human_name, provider.context.readable_key(k)) else: from forum.authentication.base import ConsumerTemplateContext "unknown: %s" % ConsumerTemplateContext.readable_key(k) auth_keys_list.append({ 'name': name, 'id': k.id }) return render_to_response('auth/auth_settings.html', { 'form': form, 'has_password': user_.has_usable_password(), 'auth_keys': auth_keys_list, }, context_instance=RequestContext(request)) def remove_external_provider(request, id): association = get_object_or_404(AuthKeyUserAssociation, id=id) request.user.message_set.create(message=_("You removed the association with %s") % association.provider) association.delete() return HttpResponseRedirect(reverse('user_authsettings')) def newquestion_signin_action(user): question = Question.objects.filter(author=user).order_by('-added_at')[0] return question.get_absolute_url() def newanswer_signin_action(user): answer = Answer.objects.filter(author=user).order_by('-added_at')[0] return answer.get_absolute_url() POST_SIGNIN_ACTIONS = { 'newquestion': newquestion_signin_action, 'newanswer': newanswer_signin_action, } def login_and_forward(request, user, forward=None, message=None): old_session = request.session.session_key user.backend = "django.contrib.auth.backends.ModelBackend" login(request, user) user_logged_in.send(user=user,old_session=old_session,sender=None) if not forward: signin_action = request.session.get('on_signin_action', None) if not signin_action: forward = request.session.get('on_signin_url', None) if not forward: forward = reverse('index') else: try: forward = POST_SIGNIN_ACTIONS[signin_action](user) except: forward = reverse('index') if message is None: message = _("Welcome back %s, you are now logged in") % user.username request.user.message_set.create(message=message) return HttpResponseRedirect(forward) @login_required def signout(request): """ signout from the website. Remove openid from session and kill it. url : /signout/" """ logout(request) return HttpResponseRedirect(reverse('index'))