def login(request, template_name='registration/login.html', redirect_field_name=REDIRECT_FIELD_NAME):
"""
Displays the login form and handles the login action.
"""
# If the user is logged in, redirect to the home page
user = request.user
if user.is_authenticated():
return HttpResponseRedirect("/")
# Otherwise, we process the form
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:
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()
return render_to_response(template_name, {
'form': form,
redirect_field_name: redirect_to,
}, context_instance=RequestContext(request))
def ws_login(request):
"""
Parses and responds to a webservices login request.
"""
from swarm.utils.wsu import return_json_response
timer_start = datetime.now()
context = {
"action": "%s" % reverse("auth_ws_login"),
"result": { "success": 0, "message": "Invalid username or password" }
}
user = request.user
try:
if user.is_authenticated():
# Let the system know the person is already authenticated.
context['result']['success'] = 1
context['result']['message'] = "Already authenticated"
else:
if request.method == "POST":
form = AuthenticationForm(data=request.POST)
if form.is_valid():
from django.contrib.auth import login
login(request, form.get_user())
if request.session.test_cookie_worked():
request.session.delete_test_cookie()
context['result']['success'] = 1
context['result']['message'] = "Logged in. Redirecting."
else:
# TODO: process errors into json response
print form._errors
except:
# Admins need to know personally if there's an error happening
subject = "Authentication Error"
import sys, traceback
import cStringIO
from django.core.mail import mail_admins
exceptionType, exceptionValue, exceptionTraceback = sys.exc_info()
message = "%s\n\n%s" % (request.raw_post_data, traceback.format_exc(),)
mail_admins(subject=subject,message=message)
timer_end = datetime.now()
context['delta'] = timer_end - timer_start
return return_json_response(context)
