django1/django/views/auth/login.py

63 lines
2.7 KiB
Python

from django.parts.auth.formfields import AuthenticationForm
from django.core import formfields, template_loader
from django.core.extensions import DjangoContext as Context
from django.models.auth import sessions
from django.models.core import sites
from django.utils.httpwrappers import HttpResponse, HttpResponseRedirect
REDIRECT_FIELD_NAME = 'next'
def login(request):
"Displays the login form and handles the login action."
manipulator = AuthenticationForm(request)
redirect_to = request.REQUEST.get(REDIRECT_FIELD_NAME, '')
if request.POST:
errors = manipulator.get_validation_errors(request.POST)
if not errors:
# Light security check -- make sure redirect_to isn't garbage.
if not redirect_to or '://' in redirect_to or ' ' in redirect_to:
redirect_to = '/accounts/profile/'
response = HttpResponseRedirect(redirect_to)
sessions.start_web_session(manipulator.get_user_id(), request, response)
return response
else:
errors = {}
response = HttpResponse()
# Set this cookie as a test to see whether the user accepts cookies
response.set_cookie(sessions.TEST_COOKIE_NAME, sessions.TEST_COOKIE_VALUE)
t = template_loader.get_template('registration/login')
c = Context(request, {
'form': formfields.FormWrapper(manipulator, request.POST, errors),
REDIRECT_FIELD_NAME: redirect_to,
'site_name': sites.get_current().name,
})
response.write(t.render(c))
return response
def logout(request):
"Logs out the user and displays 'You are logged you' message."
if request.session:
# Do a redirect to this page until the session has been cleared.
response = HttpResponseRedirect(request.path)
# Delete the cookie by setting a cookie with an empty value and max_age=0
response.set_cookie(request.session.get_cookie()[0], '', max_age=0)
request.session.delete()
return response
else:
t = template_loader.get_template('registration/logged_out')
c = Context(request)
return HttpResponse(t.render(c))
def logout_then_login(request):
"Logs out the user if he is logged in. Then redirects to the log-in page."
response = HttpResponseRedirect('/accounts/login/')
if request.session:
# Delete the cookie by setting a cookie with an empty value and max_age=0
response.set_cookie(request.session.get_cookie()[0], '', max_age=0)
request.session.delete()
return response
def redirect_to_login(next):
"Redirects the user to the login page, passing the given 'next' page"
return HttpResponseRedirect('/accounts/login/?%s=%s' % (REDIRECT_FIELD_NAME, next))