172 lines
7.6 KiB
Python
172 lines
7.6 KiB
Python
from django.conf import settings
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from django.contrib.auth import REDIRECT_FIELD_NAME
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from django.contrib.auth.decorators import login_required
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from django.contrib.auth.forms import AuthenticationForm
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from django.contrib.auth.forms import PasswordResetForm, SetPasswordForm, PasswordChangeForm
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from django.contrib.auth.tokens import default_token_generator
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from django.views.decorators.csrf import csrf_protect
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from django.core.urlresolvers import reverse
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from django.shortcuts import render_to_response, get_object_or_404
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from django.contrib.sites.models import Site, RequestSite
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from django.http import HttpResponseRedirect, Http404
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from django.template import RequestContext
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from django.utils.http import urlquote, base36_to_int
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from django.utils.translation import ugettext as _
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from django.contrib.auth.models import User
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from django.views.decorators.cache import never_cache
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@csrf_protect
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@never_cache
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def login(request, template_name='registration/login.html',
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redirect_field_name=REDIRECT_FIELD_NAME,
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authentication_form=AuthenticationForm):
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"Displays the login form and handles the login action."
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redirect_to = request.REQUEST.get(redirect_field_name, '')
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if request.method == "POST":
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form = authentication_form(data=request.POST)
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if form.is_valid():
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# Light security check -- make sure redirect_to isn't garbage.
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if not redirect_to or '//' in redirect_to or ' ' in redirect_to:
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redirect_to = settings.LOGIN_REDIRECT_URL
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from django.contrib.auth import login
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login(request, form.get_user())
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if request.session.test_cookie_worked():
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request.session.delete_test_cookie()
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return HttpResponseRedirect(redirect_to)
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else:
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form = authentication_form(request)
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request.session.set_test_cookie()
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if Site._meta.installed:
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current_site = Site.objects.get_current()
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else:
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current_site = RequestSite(request)
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return render_to_response(template_name, {
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'form': form,
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redirect_field_name: redirect_to,
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'site': current_site,
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'site_name': current_site.name,
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}, context_instance=RequestContext(request))
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def logout(request, next_page=None, template_name='registration/logged_out.html', redirect_field_name=REDIRECT_FIELD_NAME):
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"Logs out the user and displays 'You are logged out' message."
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from django.contrib.auth import logout
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logout(request)
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if next_page is None:
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redirect_to = request.REQUEST.get(redirect_field_name, '')
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if redirect_to:
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return HttpResponseRedirect(redirect_to)
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else:
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return render_to_response(template_name, {
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'title': _('Logged out')
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}, context_instance=RequestContext(request))
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else:
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# Redirect to this page until the session has been cleared.
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return HttpResponseRedirect(next_page or request.path)
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def logout_then_login(request, login_url=None):
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"Logs out the user if he is logged in. Then redirects to the log-in page."
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if not login_url:
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login_url = settings.LOGIN_URL
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return logout(request, login_url)
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def redirect_to_login(next, login_url=None, redirect_field_name=REDIRECT_FIELD_NAME):
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"Redirects the user to the login page, passing the given 'next' page"
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if not login_url:
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login_url = settings.LOGIN_URL
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return HttpResponseRedirect('%s?%s=%s' % (login_url, urlquote(redirect_field_name), urlquote(next)))
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# 4 views for password reset:
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# - password_reset sends the mail
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# - password_reset_done shows a success message for the above
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# - password_reset_confirm checks the link the user clicked and
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# prompts for a new password
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# - password_reset_complete shows a success message for the above
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@csrf_protect
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def password_reset(request, is_admin_site=False, template_name='registration/password_reset_form.html',
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email_template_name='registration/password_reset_email.html',
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password_reset_form=PasswordResetForm, token_generator=default_token_generator,
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post_reset_redirect=None):
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if post_reset_redirect is None:
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post_reset_redirect = reverse('django.contrib.auth.views.password_reset_done')
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if request.method == "POST":
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form = password_reset_form(request.POST)
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if form.is_valid():
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opts = {}
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opts['use_https'] = request.is_secure()
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opts['token_generator'] = token_generator
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if is_admin_site:
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opts['domain_override'] = request.META['HTTP_HOST']
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else:
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opts['email_template_name'] = email_template_name
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if not Site._meta.installed:
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opts['domain_override'] = RequestSite(request).domain
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form.save(**opts)
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return HttpResponseRedirect(post_reset_redirect)
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else:
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form = password_reset_form()
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return render_to_response(template_name, {
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'form': form,
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}, context_instance=RequestContext(request))
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def password_reset_done(request, template_name='registration/password_reset_done.html'):
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return render_to_response(template_name, context_instance=RequestContext(request))
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# Doesn't need csrf_protect since no-one can guess the URL
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def password_reset_confirm(request, uidb36=None, token=None, template_name='registration/password_reset_confirm.html',
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token_generator=default_token_generator, set_password_form=SetPasswordForm,
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post_reset_redirect=None):
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"""
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View that checks the hash in a password reset link and presents a
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form for entering a new password.
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"""
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assert uidb36 is not None and token is not None # checked by URLconf
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if post_reset_redirect is None:
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post_reset_redirect = reverse('django.contrib.auth.views.password_reset_complete')
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try:
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uid_int = base36_to_int(uidb36)
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except ValueError:
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raise Http404
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user = get_object_or_404(User, id=uid_int)
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context_instance = RequestContext(request)
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if token_generator.check_token(user, token):
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context_instance['validlink'] = True
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if request.method == 'POST':
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form = set_password_form(user, request.POST)
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if form.is_valid():
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form.save()
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return HttpResponseRedirect(post_reset_redirect)
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else:
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form = set_password_form(None)
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else:
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context_instance['validlink'] = False
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form = None
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context_instance['form'] = form
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return render_to_response(template_name, context_instance=context_instance)
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def password_reset_complete(request, template_name='registration/password_reset_complete.html'):
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return render_to_response(template_name, context_instance=RequestContext(request,
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{'login_url': settings.LOGIN_URL}))
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@csrf_protect
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@login_required
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def password_change(request, template_name='registration/password_change_form.html',
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post_change_redirect=None, password_change_form=PasswordChangeForm):
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if post_change_redirect is None:
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post_change_redirect = reverse('django.contrib.auth.views.password_change_done')
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if request.method == "POST":
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form = password_change_form(user=request.user, data=request.POST)
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if form.is_valid():
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form.save()
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return HttpResponseRedirect(post_change_redirect)
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else:
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form = password_change_form(user=request.user)
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return render_to_response(template_name, {
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'form': form,
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}, context_instance=RequestContext(request))
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def password_change_done(request, template_name='registration/password_change_done.html'):
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return render_to_response(template_name, context_instance=RequestContext(request))
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