from django.conf import settings from django.contrib.auth import REDIRECT_FIELD_NAME from django.contrib.auth.decorators import login_required from django.contrib.auth.forms import AuthenticationForm from django.contrib.auth.forms import PasswordResetForm, SetPasswordForm, PasswordChangeForm, AdminPasswordChangeForm from django.contrib.auth.tokens import default_token_generator from django.core.exceptions import PermissionDenied from django.shortcuts import render_to_response, get_object_or_404 from django.contrib.sites.models import Site, RequestSite from django.http import HttpResponseRedirect, Http404 from django.template import RequestContext from django.utils.http import urlquote, base36_to_int from django.utils.html import escape from django.utils.translation import ugettext as _ from django.contrib.auth.models import User import re def login(request, template_name='registration/login.html', redirect_field_name=REDIRECT_FIELD_NAME): "Displays the login form and handles the login action." redirect_to = request.REQUEST.get(redirect_field_name, '') if request.method == "POST": form = AuthenticationForm(data=request.POST) if form.is_valid(): # Light security check -- make sure redirect_to isn't garbage. if not redirect_to or '//' in redirect_to or ' ' in redirect_to: from django.conf import settings redirect_to = settings.LOGIN_REDIRECT_URL from django.contrib.auth import login login(request, form.get_user()) if request.session.test_cookie_worked(): request.session.delete_test_cookie() return HttpResponseRedirect(redirect_to) else: form = AuthenticationForm(request) request.session.set_test_cookie() if Site._meta.installed: current_site = Site.objects.get_current() else: current_site = RequestSite(request) return render_to_response(template_name, { 'form': form, redirect_field_name: redirect_to, 'site_name': current_site.name, }, context_instance=RequestContext(request)) def logout(request, next_page=None, template_name='registration/logged_out.html'): "Logs out the user and displays 'You are logged out' message." from django.contrib.auth import logout logout(request) if next_page is None: return render_to_response(template_name, {'title': _('Logged out')}, context_instance=RequestContext(request)) else: # Redirect to this page until the session has been cleared. return HttpResponseRedirect(next_page or request.path) def logout_then_login(request, login_url=None): "Logs out the user if he is logged in. Then redirects to the log-in page." if not login_url: from django.conf import settings login_url = settings.LOGIN_URL return logout(request, login_url) def redirect_to_login(next, login_url=None, redirect_field_name=REDIRECT_FIELD_NAME): "Redirects the user to the login page, passing the given 'next' page" if not login_url: from django.conf import settings login_url = settings.LOGIN_URL return HttpResponseRedirect('%s?%s=%s' % (login_url, urlquote(redirect_field_name), urlquote(next))) # 4 views for password reset: # - password_reset sends the mail # - password_reset_done shows a success message for the above # - password_reset_confirm checks the link the user clicked and # prompts for a new password # - password_reset_complete shows a success message for the above def password_reset(request, is_admin_site=False, template_name='registration/password_reset_form.html', email_template_name='registration/password_reset_email.html', password_reset_form=PasswordResetForm, token_generator=default_token_generator): if request.method == "POST": form = password_reset_form(request.POST) if form.is_valid(): opts = {} opts['use_https'] = request.is_secure() opts['token_generator'] = token_generator if is_admin_site: opts['domain_override'] = request.META['HTTP_HOST'] else: opts['email_template_name'] = email_template_name if not Site._meta.installed: opts['domain_override'] = RequestSite(request).domain form.save(**opts) return HttpResponseRedirect('%sdone/' % request.path) else: form = password_reset_form() return render_to_response(template_name, { 'form': form, }, context_instance=RequestContext(request)) def password_reset_done(request, template_name='registration/password_reset_done.html'): return render_to_response(template_name, context_instance=RequestContext(request)) def password_reset_confirm(request, uidb36=None, token=None, template_name='registration/password_reset_confirm.html', token_generator=default_token_generator, set_password_form=SetPasswordForm): """ View that checks the hash in a password reset link and presents a form for entering a new password. """ assert uidb36 is not None and token is not None # checked by URLconf try: uid_int = base36_to_int(uidb36) except ValueError: raise Http404 user = get_object_or_404(User, id=uid_int) context_instance = RequestContext(request) if token_generator.check_token(user, token): context_instance['validlink'] = True if request.method == 'POST': form = set_password_form(user, request.POST) if form.is_valid(): form.save() return HttpResponseRedirect("../done/") else: form = set_password_form(None) else: context_instance['validlink'] = False form = None context_instance['form'] = form return render_to_response(template_name, context_instance=context_instance) def password_reset_complete(request, template_name='registration/password_reset_complete.html'): return render_to_response(template_name, context_instance=RequestContext(request, {'login_url': settings.LOGIN_URL})) def password_change(request, template_name='registration/password_change_form.html'): if request.method == "POST": form = PasswordChangeForm(request.user, request.POST) if form.is_valid(): form.save() return HttpResponseRedirect('%sdone/' % request.path) else: form = PasswordChangeForm(request.user) return render_to_response(template_name, { 'form': form, }, context_instance=RequestContext(request)) password_change = login_required(password_change) def password_change_done(request, template_name='registration/password_change_done.html'): return render_to_response(template_name, context_instance=RequestContext(request)) # TODO: move to admin.py in the ModelAdmin def user_change_password(request, id): if not request.user.has_perm('auth.change_user'): raise PermissionDenied user = get_object_or_404(User, pk=id) if request.method == 'POST': form = AdminPasswordChangeForm(user, request.POST) if form.is_valid(): new_user = form.save() msg = _('Password changed successfully.') request.user.message_set.create(message=msg) return HttpResponseRedirect('..') else: form = AdminPasswordChangeForm(user) return render_to_response('admin/auth/user/change_password.html', { 'title': _('Change password: %s') % escape(user.username), 'form': form, 'is_popup': '_popup' in request.REQUEST, 'add': True, 'change': False, 'has_delete_permission': False, 'has_change_permission': True, 'has_absolute_url': False, 'opts': User._meta, 'original': user, 'save_as': False, 'show_save': True, 'root_path': re.sub('auth/user/(\d+)/password/$', '', request.path), }, context_instance=RequestContext(request))