def perform_login(request):
"""
Perform user authentication
"""
user = None
login_failure = None
if request.method == 'POST':
username = request.POST["username"]
password = request.POST["password"]
user = authenticate(username=username, password=password)
if user is not None and not user.is_anonymous():
login(request,user)
else:
login_failure = "Invalid username or password"
if request.user.is_authenticated():
# Try to authenticate with Fermi
remote_view_util.authenticate(request)
# If we came from a given page and just needed
# authentication, go back to that page.
if "next" in request.GET:
redirect_url = request.GET["next"]
return redirect(redirect_url)
return redirect(reverse(settings.LANDING_VIEW))
else:
# Breadcrumbs
breadcrumbs = Breadcrumbs()
breadcrumbs.append("login")
template_values = {'breadcrumbs': breadcrumbs,
'login_failure': login_failure}
template_values = fill_template_values(request, **template_values)
return render_to_response('users/authenticate.html', template_values,
context_instance=RequestContext(request))
def authenticate(request):
"""
Authenticate and return to the previous page.
@param request: request object
"""
redirect_url = reverse(settings.LANDING_VIEW)
if 'redirect' in request.POST:
redirect_url = request.POST['redirect']
if request.method == 'POST':
form = forms.FermiLoginForm(request.POST, request.FILES)
if form.is_valid():
status, reason = remote_view_util.authenticate(request)
if status is not 200:
breadcrumbs = Breadcrumbs()
message = "Could not authenticate with Fermi"
if len(reason)>0:
message += "<p>Server message: %s" % reason
template_values = {'message': message,
'back_url': redirect_url,
'breadcrumbs': breadcrumbs,}
template_values = reduction_server_view_util.fill_template_values(request, **template_values)
return render_to_response('remote/failed_connection.html',
template_values)
return redirect(redirect_url)
