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 forum.http_responses import HttpResponseUnauthorized 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 from forum.actions import SuspendAction from forum.utils import html from forum import settings from writers import manage_pending_data import types import datetime import logging from forum.forms import SimpleRegistrationForm, SimpleEmailSubscribeForm, \ TemporaryLoginRequestForm, ChangePasswordForm, SetPasswordForm from forum.utils.mail import send_template_email from forum.authentication.base import InvalidAuthentication from forum.authentication import AUTH_PROVIDERS from forum.models import AuthKeyUserAssociation, ValidationHash, Question, Answer from forum.actions import UserJoinsAction def signin_page(request): request.session['on_signin_url'] = request.META.get('HTTP_REFERER', '/') 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')) else: raise Http404() 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', args=[request.user.id])) 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_.is_staff = True user_.save() UserJoinsAction(user=user_, ip=request.META['REMOTE_ADDR']).save() 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. Note that you need to have cookies enabled for the authentication to work." ) logging.error("Missing session data when trying to complete user registration: %s" % ", ".join( ["%s: %s" % (k, v) for k, v in request.META.items()])) return HttpResponseRedirect(reverse('auth_signin')) uassoc = AuthKeyUserAssociation(user=user_, key=assoc_key, provider=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'] return login_and_forward(request, user_, message=_("A welcome email has been sent to your email address. ")) else: auth_provider = request.session.get('auth_provider', None) if not auth_provider: request.session['auth_error'] = _( "Oops, something went wrong in the middle of this process. Please try again.") logging.error("Missing session data when trying to complete user registration: %s" % ", ".join( ["%s: %s" % (k, v) for k, v in request.META.items()])) return HttpResponseRedirect(reverse('auth_signin')) provider_class = AUTH_PROVIDERS[auth_provider].consumer user_data = provider_class.get_user_data(request.session['assoc_key']) if not user_data: user_data = request.session.get('auth_consumer_data', {}) username = user_data.get('username', '') email = user_data.get('email', '') 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(): users = form.user_cache for u in users: if u.is_suspended(): return forward_suspended_user(request, u, False) for u in users: try: hash = get_object_or_404(ValidationHash, user=u, type='templogin') if hash.expiration < datetime.datetime.now(): hash.delete() return request_temp_login(request) except: hash = ValidationHash.objects.create_new(u, 'templogin', [u.id]) send_template_email([u], "auth/temp_login_email.html", {'temp_login_code': hash}) 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', kwargs={'id': user.id}), _( "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(request): if not request.user.is_authenticated(): return HttpResponseUnauthorized(request) else: try: hash = ValidationHash.objects.get(user=request.user, type='email') hash.delete() except: hash = ValidationHash.objects.create_new(request.user, 'email', [request.user.email]) send_template_email([request.user], "auth/mail_validation.html", {'validation_code': hash}) request.user.message_set.create(message=_("A message with an email validation link was just sent to your address.")) return HttpResponseRedirect(request.META.get('HTTP_REFERER', '/')) 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, reverse('index'), _("Thank you, your email is now validated.")) else: raise Http404() @login_required def auth_settings(request, id): user_ = get_object_or_404(User, id=id) if not (request.user.is_superuser or request.user == user_): return HttpResponseUnauthorized(request) auth_keys = user_.auth_keys.all() if request.user.is_superuser or (not user_.has_usable_password()): FormClass = SetPasswordForm else: FormClass = ChangePasswordForm if request.POST: form = FormClass(request.POST, user=user_) if form.is_valid(): is_new_pass = not user_.has_usable_password() user_.set_password(form.cleaned_data['password1']) user_.save() if is_new_pass: request.user.message_set.create(message=_("New password set")) if not request.user.is_superuser: form = ChangePasswordForm(user=user_) else: request.user.message_set.create(message=_("Your password was changed")) return HttpResponseRedirect(reverse('user_authsettings', kwargs={'id': user_.id})) else: 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', { 'view_user': user_, "can_view_private": (user_ == request.user) or request.user.is_superuser, 'form': form, 'has_password': user_.has_usable_password(), 'auth_keys': auth_keys_list, 'allow_local_auth': AUTH_PROVIDERS.get('local', None), }, context_instance=RequestContext(request)) def remove_external_provider(request, id): association = get_object_or_404(AuthKeyUserAssociation, id=id) if not (request.user.is_superuser or request.user == association.user): return HttpResponseUnauthorized(request) request.user.message_set.create(message=_("You removed the association with %s") % association.provider) association.delete() return HttpResponseRedirect(reverse('user_authsettings', kwargs={'id': association.user.id})) def login_and_forward(request, user, forward=None, message=None): if user.is_suspended(): return forward_suspended_user(request, user) user.backend = "django.contrib.auth.backends.ModelBackend" login(request, user) if message is None: message = _("Welcome back %s, you are now logged in") % user.username request.user.message_set.create(message=message) if not forward: forward = request.session.get('on_signin_url', reverse('index')) pending_data = request.session.get('pending_submission_data', None) if pending_data and (user.email_isvalid or pending_data['type'] not in settings.REQUIRE_EMAIL_VALIDATION_TO): submission_time = pending_data['time'] if submission_time < datetime.datetime.now() - datetime.timedelta(minutes=int(settings.HOLD_PENDING_POSTS_MINUTES)): del request.session['pending_submission_data'] elif submission_time < datetime.datetime.now() - datetime.timedelta(minutes=int(settings.WARN_PENDING_POSTS_MINUTES)): user.message_set.create(message=(_("You have a %s pending submission.") % pending_data['data_name']) + " %s, %s, %s" % ( html.hyperlink(reverse('manage_pending_data', kwargs={'action': _('save')}), _("save it")), html.hyperlink(reverse('manage_pending_data', kwargs={'action': _('review')}), _("review")), html.hyperlink(reverse('manage_pending_data', kwargs={'action': _('cancel')}), _("cancel")) )) else: return manage_pending_data(request, _('save'), forward) return HttpResponseRedirect(forward) def forward_suspended_user(request, user, show_private_msg=True): message = _("Sorry, but this account is suspended") if show_private_msg: msg_type = 'privatemsg' else: msg_type = 'publicmsg' suspension = user.suspension if suspension: message += (":
" + suspension.extra.get(msg_type, '')) request.user.message_set.create(message) return HttpResponseRedirect(reverse('index')) @login_required def signout(request): logout(request) return HttpResponseRedirect(reverse('index'))