272 lines
10 KiB
Python
272 lines
10 KiB
Python
try:
|
|
from urllib.parse import urlparse, urlunparse
|
|
except ImportError: # Python 2
|
|
from urlparse import urlparse, urlunparse
|
|
|
|
from django.conf import settings
|
|
from django.core.urlresolvers import reverse
|
|
from django.http import HttpResponseRedirect, QueryDict
|
|
from django.template.response import TemplateResponse
|
|
from django.utils.http import base36_to_int
|
|
from django.utils.translation import ugettext as _
|
|
from django.views.decorators.debug import sensitive_post_parameters
|
|
from django.views.decorators.cache import never_cache
|
|
from django.views.decorators.csrf import csrf_protect
|
|
|
|
# Avoid shadowing the login() and logout() views below.
|
|
from django.contrib.auth import REDIRECT_FIELD_NAME, login as auth_login, logout as auth_logout
|
|
from django.contrib.auth.decorators import login_required
|
|
from django.contrib.auth.forms import AuthenticationForm, PasswordResetForm, SetPasswordForm, PasswordChangeForm
|
|
from django.contrib.auth.models import User
|
|
from django.contrib.auth.tokens import default_token_generator
|
|
from django.contrib.sites.models import get_current_site
|
|
|
|
|
|
@sensitive_post_parameters()
|
|
@csrf_protect
|
|
@never_cache
|
|
def login(request, template_name='registration/login.html',
|
|
redirect_field_name=REDIRECT_FIELD_NAME,
|
|
authentication_form=AuthenticationForm,
|
|
current_app=None, extra_context=None):
|
|
"""
|
|
Displays the login form and handles the login action.
|
|
"""
|
|
redirect_to = request.REQUEST.get(redirect_field_name, '')
|
|
|
|
if request.method == "POST":
|
|
form = authentication_form(data=request.POST)
|
|
if form.is_valid():
|
|
netloc = urlparse(redirect_to)[1]
|
|
|
|
# Use default setting if redirect_to is empty
|
|
if not redirect_to:
|
|
redirect_to = settings.LOGIN_REDIRECT_URL
|
|
|
|
# Heavier security check -- don't allow redirection to a different
|
|
# host.
|
|
elif netloc and netloc != request.get_host():
|
|
redirect_to = settings.LOGIN_REDIRECT_URL
|
|
|
|
# Okay, security checks complete. Log the user in.
|
|
auth_login(request, form.get_user())
|
|
|
|
if request.session.test_cookie_worked():
|
|
request.session.delete_test_cookie()
|
|
|
|
return HttpResponseRedirect(redirect_to)
|
|
else:
|
|
form = authentication_form(request)
|
|
|
|
request.session.set_test_cookie()
|
|
|
|
current_site = get_current_site(request)
|
|
|
|
context = {
|
|
'form': form,
|
|
redirect_field_name: redirect_to,
|
|
'site': current_site,
|
|
'site_name': current_site.name,
|
|
}
|
|
if extra_context is not None:
|
|
context.update(extra_context)
|
|
return TemplateResponse(request, template_name, context,
|
|
current_app=current_app)
|
|
|
|
def logout(request, next_page=None,
|
|
template_name='registration/logged_out.html',
|
|
redirect_field_name=REDIRECT_FIELD_NAME,
|
|
current_app=None, extra_context=None):
|
|
"""
|
|
Logs out the user and displays 'You are logged out' message.
|
|
"""
|
|
auth_logout(request)
|
|
redirect_to = request.REQUEST.get(redirect_field_name, '')
|
|
if redirect_to:
|
|
netloc = urlparse(redirect_to)[1]
|
|
# Security check -- don't allow redirection to a different host.
|
|
if not (netloc and netloc != request.get_host()):
|
|
return HttpResponseRedirect(redirect_to)
|
|
|
|
if next_page is None:
|
|
current_site = get_current_site(request)
|
|
context = {
|
|
'site': current_site,
|
|
'site_name': current_site.name,
|
|
'title': _('Logged out')
|
|
}
|
|
if extra_context is not None:
|
|
context.update(extra_context)
|
|
return TemplateResponse(request, template_name, context,
|
|
current_app=current_app)
|
|
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, current_app=None, extra_context=None):
|
|
"""
|
|
Logs out the user if he is logged in. Then redirects to the log-in page.
|
|
"""
|
|
if not login_url:
|
|
login_url = settings.LOGIN_URL
|
|
return logout(request, login_url, current_app=current_app, extra_context=extra_context)
|
|
|
|
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:
|
|
login_url = settings.LOGIN_URL
|
|
|
|
login_url_parts = list(urlparse(login_url))
|
|
if redirect_field_name:
|
|
querystring = QueryDict(login_url_parts[4], mutable=True)
|
|
querystring[redirect_field_name] = next
|
|
login_url_parts[4] = querystring.urlencode(safe='/')
|
|
|
|
return HttpResponseRedirect(urlunparse(login_url_parts))
|
|
|
|
# 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
|
|
|
|
@csrf_protect
|
|
def password_reset(request, is_admin_site=False,
|
|
template_name='registration/password_reset_form.html',
|
|
email_template_name='registration/password_reset_email.html',
|
|
subject_template_name='registration/password_reset_subject.txt',
|
|
password_reset_form=PasswordResetForm,
|
|
token_generator=default_token_generator,
|
|
post_reset_redirect=None,
|
|
from_email=None,
|
|
current_app=None,
|
|
extra_context=None):
|
|
if post_reset_redirect is None:
|
|
post_reset_redirect = reverse('django.contrib.auth.views.password_reset_done')
|
|
if request.method == "POST":
|
|
form = password_reset_form(request.POST)
|
|
if form.is_valid():
|
|
opts = {
|
|
'use_https': request.is_secure(),
|
|
'token_generator': token_generator,
|
|
'from_email': from_email,
|
|
'email_template_name': email_template_name,
|
|
'subject_template_name': subject_template_name,
|
|
'request': request,
|
|
}
|
|
if is_admin_site:
|
|
opts = dict(opts, domain_override=request.META['HTTP_HOST'])
|
|
form.save(**opts)
|
|
return HttpResponseRedirect(post_reset_redirect)
|
|
else:
|
|
form = password_reset_form()
|
|
context = {
|
|
'form': form,
|
|
}
|
|
if extra_context is not None:
|
|
context.update(extra_context)
|
|
return TemplateResponse(request, template_name, context,
|
|
current_app=current_app)
|
|
|
|
def password_reset_done(request,
|
|
template_name='registration/password_reset_done.html',
|
|
current_app=None, extra_context=None):
|
|
context = {}
|
|
if extra_context is not None:
|
|
context.update(extra_context)
|
|
return TemplateResponse(request, template_name, context,
|
|
current_app=current_app)
|
|
|
|
# Doesn't need csrf_protect since no-one can guess the URL
|
|
@sensitive_post_parameters()
|
|
@never_cache
|
|
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,
|
|
post_reset_redirect=None,
|
|
current_app=None, extra_context=None):
|
|
"""
|
|
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
|
|
if post_reset_redirect is None:
|
|
post_reset_redirect = reverse('django.contrib.auth.views.password_reset_complete')
|
|
try:
|
|
uid_int = base36_to_int(uidb36)
|
|
user = User.objects.get(id=uid_int)
|
|
except (ValueError, OverflowError, User.DoesNotExist):
|
|
user = None
|
|
|
|
if user is not None and token_generator.check_token(user, token):
|
|
validlink = True
|
|
if request.method == 'POST':
|
|
form = set_password_form(user, request.POST)
|
|
if form.is_valid():
|
|
form.save()
|
|
return HttpResponseRedirect(post_reset_redirect)
|
|
else:
|
|
form = set_password_form(None)
|
|
else:
|
|
validlink = False
|
|
form = None
|
|
context = {
|
|
'form': form,
|
|
'validlink': validlink,
|
|
}
|
|
if extra_context is not None:
|
|
context.update(extra_context)
|
|
return TemplateResponse(request, template_name, context,
|
|
current_app=current_app)
|
|
|
|
def password_reset_complete(request,
|
|
template_name='registration/password_reset_complete.html',
|
|
current_app=None, extra_context=None):
|
|
context = {
|
|
'login_url': settings.LOGIN_URL
|
|
}
|
|
if extra_context is not None:
|
|
context.update(extra_context)
|
|
return TemplateResponse(request, template_name, context,
|
|
current_app=current_app)
|
|
|
|
@sensitive_post_parameters()
|
|
@csrf_protect
|
|
@login_required
|
|
def password_change(request,
|
|
template_name='registration/password_change_form.html',
|
|
post_change_redirect=None,
|
|
password_change_form=PasswordChangeForm,
|
|
current_app=None, extra_context=None):
|
|
if post_change_redirect is None:
|
|
post_change_redirect = reverse('django.contrib.auth.views.password_change_done')
|
|
if request.method == "POST":
|
|
form = password_change_form(user=request.user, data=request.POST)
|
|
if form.is_valid():
|
|
form.save()
|
|
return HttpResponseRedirect(post_change_redirect)
|
|
else:
|
|
form = password_change_form(user=request.user)
|
|
context = {
|
|
'form': form,
|
|
}
|
|
if extra_context is not None:
|
|
context.update(extra_context)
|
|
return TemplateResponse(request, template_name, context,
|
|
current_app=current_app)
|
|
|
|
@login_required
|
|
def password_change_done(request,
|
|
template_name='registration/password_change_done.html',
|
|
current_app=None, extra_context=None):
|
|
context = {}
|
|
if extra_context is not None:
|
|
context.update(extra_context)
|
|
return TemplateResponse(request, template_name, context,
|
|
current_app=current_app)
|