def ssl_auth(request):
""" SSL certificate authentication. """
ssl_auth_form = SSLCertLoginForm(request.POST)
if not ssl_auth_form.is_valid():
return HttpResponseBadRequest('400 Bad Request')
session = ssl_auth_form.cleaned_data['session']
next_uri = ssl_auth_form.cleaned_data['login_uri']
user = authenticate(request=request)
if user and user.is_active:
_login(request, user)
init_otp(request)
if request.user.is_verified(): # OTP disabled
next_uri = ssl_auth_form.cleaned_data['next']
else:
messages.error(request, 'Certificate authentication failed')
# so, django will always start a new session for us. we need to copy
# the data to the original session and preferably flush the new one.
session.update(request.session)
# always logout automatically from SSL-based auth
# it's easy enough to log back in anyway
if 'openid_request' in session:
session['auto_logout'] = True
session.save()
request.session.flush()
return redirect(next_uri)
def ssl_auth(request):
""" SSL certificate authentication. """
ssl_auth_form = SSLCertLoginForm(request.POST)
if not ssl_auth_form.is_valid():
return HttpResponseBadRequest('400 Bad Request')
session = ssl_auth_form.cleaned_data['session']
next_uri = ssl_auth_form.cleaned_data['login_uri']
user = authenticate(request=request)
if user and user.is_active:
_login(request, user)
init_otp(request)
if request.user.is_verified(): # OTP disabled
next_uri = ssl_auth_form.cleaned_data['next']
else:
messages.error(request, 'Certificate authentication failed')
# so, django will always start a new session for us. we need to copy
# the data to the original session and preferably flush the new one.
session.update(request.session)
# always logout automatically from SSL-based auth
# it's easy enough to log back in anyway
if 'openid_request' in session:
session['auto_logout'] = True
session.save()
request.session.flush()
return redirect(next_uri)
def auth(session_id, key):
try:
session = sessionrefcipher.decrypt(session_id)
except ValueError:
return None
request = set_request('/')
user = authenticate(ssh_key=key)
if user and user.is_active:
login(request, user)
init_otp(request)
session.update(request.session)
session.save()
return 'Authenticated.'
return None
def auth(session_id, key):
try:
session = sessionrefcipher.decrypt(session_id)
except ValueError:
return None
request = set_request('/')
user = authenticate(ssh_key=key)
if user and user.is_active:
login(request, user)
init_otp(request)
session.update(request.session)
session.save()
return 'Authenticated.'
return None
def login(request):
""" The login page """
user = None
oreq = request.session.get('openid_request', None)
# this can be POST or GET, and can be null or empty
next = request.REQUEST.get('next') or reverse(index)
is_otp = False
login_form = None
strong_auth_req = 'strong_auth_requested' in request.session
if oreq:
login_form_class = OpenIDLoginForm
elif ('strong_auth_requested' in request.session
and request.user.is_authenticated()):
login_form_class = StrongAuthForm
else:
login_form_class = LoginForm
try:
if request.method != 'POST':
pass
elif 'cancel' in request.POST:
# note: this wipes request.session
_logout(request)
if oreq is not None:
oresp = oreq.answer(False)
return render_openid_response(request, oresp)
elif 'otp_token' in request.POST:
# if user's not authenticated, go back to square one
if not request.user.is_authenticated():
raise OkupyError('OTP verification timed out')
is_otp = True
otp_form = OTPForm(request.POST)
if otp_form.is_valid():
token = otp_form.cleaned_data['otp_token']
else:
raise OkupyError('OTP verification failed')
# prevent replay attacks and race conditions
if not RevokedToken.add(token, request.user):
raise OkupyError('OTP verification failed')
dev = django_otp.match_token(request.user, token)
if not dev:
raise OkupyError('OTP verification failed')
django_otp.login(request, dev)
else:
login_form = login_form_class(request.POST)
if login_form.is_valid():
if login_form_class != StrongAuthForm:
username = login_form.cleaned_data['username']
else:
username = request.user.username
password = login_form.cleaned_data['password']
else:
raise OkupyError('Login failed')
"""
Perform authentication, if it retrieves a user object then
it was successful. If it retrieves None then it failed to login
"""
try:
user = authenticate(request=request,
username=username,
password=password)
except Exception as error:
logger.critical(error, extra=log_extra_data(request))
logger_mail.exception(error)
raise OkupyError(
"Can't contact the LDAP server or the database")
if not user:
raise OkupyError('Login failed')
if oreq:
request.session['auto_logout'] = (
login_form.cleaned_data['auto_logout'])
except OkupyError as error:
messages.error(request, str(error))
if user and user.is_active:
_login(request, user)
# prepare devices, and see if OTP is enabled
init_otp(request)
set_secondary_password(request=request, password=password)
if request.user.is_authenticated():
if (strong_auth_req and not 'secondary_password' in request.session):
if request.method != 'POST':
messages.info(
request, 'You need to type in your password' +
' again to perform this action')
else:
if request.user.is_verified():
return redirect(next)
login_form = OTPForm()
is_otp = True
if login_form is None:
login_form = login_form_class()
if is_otp or strong_auth_req:
ssl_auth_form = None
ssl_auth_uri = None
ssh_auth_command = None
else:
encrypted_id = sessionrefcipher.encrypt(request.session)
# TODO: it fails when:
# 1. site is accessed via IP (auth.127.0.0.1),
# 2. HTTP used on non-standard port (https://...:8000).
ssl_auth_form = SSLCertLoginForm({
'session':
encrypted_id,
'next':
request.build_absolute_uri(next),
'login_uri':
request.build_absolute_uri(request.get_full_path()),
})
ssl_auth_host = 'auth.' + request.get_host()
ssl_auth_path = reverse(ssl_auth)
ssl_auth_uri = urljoin('https://' + ssl_auth_host, ssl_auth_path)
if settings.SSH_BIND[1] == 22:
ssh_port_opt = ''
else:
ssh_port_opt = '-p %d ' % settings.SSH_BIND[1]
ssh_auth_command = 'ssh %sauth+%s@%s' % (
ssh_port_opt, encrypted_id, request.get_host().split(':')[0])
return render(
request, 'login.html', {
'login_form': login_form,
'openid_request': oreq,
'next': next,
'ssl_auth_uri': ssl_auth_uri,
'ssl_auth_form': ssl_auth_form,
'ssh_auth_command': ssh_auth_command,
'is_otp': is_otp,
})
def login(request):
""" The login page """
user = None
oreq = request.session.get('openid_request', None)
# this can be POST or GET, and can be null or empty
next = request.REQUEST.get('next') or reverse(index)
is_otp = False
login_form = None
strong_auth_req = 'strong_auth_requested' in request.session
if oreq:
login_form_class = OpenIDLoginForm
elif ('strong_auth_requested' in request.session
and request.user.is_authenticated()):
login_form_class = StrongAuthForm
else:
login_form_class = LoginForm
try:
if request.method != 'POST':
pass
elif 'cancel' in request.POST:
# note: this wipes request.session
_logout(request)
if oreq is not None:
oresp = oreq.answer(False)
return render_openid_response(request, oresp)
elif 'otp_token' in request.POST:
# if user's not authenticated, go back to square one
if not request.user.is_authenticated():
raise OkupyError('OTP verification timed out')
is_otp = True
otp_form = OTPForm(request.POST)
if otp_form.is_valid():
token = otp_form.cleaned_data['otp_token']
else:
raise OkupyError('OTP verification failed')
# prevent replay attacks and race conditions
if not RevokedToken.add(token, request.user):
raise OkupyError('OTP verification failed')
dev = django_otp.match_token(request.user, token)
if not dev:
raise OkupyError('OTP verification failed')
django_otp.login(request, dev)
else:
login_form = login_form_class(request.POST)
if login_form.is_valid():
if login_form_class != StrongAuthForm:
username = login_form.cleaned_data['username']
else:
username = request.user.username
password = login_form.cleaned_data['password']
else:
raise OkupyError('Login failed')
"""
Perform authentication, if it retrieves a user object then
it was successful. If it retrieves None then it failed to login
"""
try:
user = authenticate(
request=request,
username=username,
password=password)
except Exception as error:
logger.critical(error, extra=log_extra_data(request))
logger_mail.exception(error)
raise OkupyError(
"Can't contact the LDAP server or the database")
if not user:
raise OkupyError('Login failed')
if oreq:
request.session['auto_logout'] = (
login_form.cleaned_data['auto_logout'])
except OkupyError as error:
messages.error(request, str(error))
if user and user.is_active:
_login(request, user)
# prepare devices, and see if OTP is enabled
init_otp(request)
set_secondary_password(request=request, password=password)
if request.user.is_authenticated():
if (strong_auth_req
and not 'secondary_password' in request.session):
if request.method != 'POST':
messages.info(request, 'You need to type in your password'
+ ' again to perform this action')
else:
if request.user.is_verified():
return redirect(next)
login_form = OTPForm()
is_otp = True
if login_form is None:
login_form = login_form_class()
if is_otp or strong_auth_req:
ssl_auth_form = None
ssl_auth_uri = None
ssh_auth_command = None
else:
encrypted_id = sessionrefcipher.encrypt(request.session)
# TODO: it fails when:
# 1. site is accessed via IP (auth.127.0.0.1),
# 2. HTTP used on non-standard port (https://...:8000).
ssl_auth_form = SSLCertLoginForm({
'session': encrypted_id,
'next': request.build_absolute_uri(next),
'login_uri': request.build_absolute_uri(request.get_full_path()),
})
ssl_auth_host = 'auth.' + request.get_host()
ssl_auth_path = reverse(ssl_auth)
ssl_auth_uri = urljoin('https://' + ssl_auth_host, ssl_auth_path)
if settings.SSH_BIND[1] == 22:
ssh_port_opt = ''
else:
ssh_port_opt = '-p %d ' % settings.SSH_BIND[1]
ssh_auth_command = 'ssh %sauth+%s@%s' % (
ssh_port_opt,
encrypted_id,
request.get_host().split(':')[0])
return render(request, 'login.html', {
'login_form': login_form,
'openid_request': oreq,
'next': next,
'ssl_auth_uri': ssl_auth_uri,
'ssl_auth_form': ssl_auth_form,
'ssh_auth_command': ssh_auth_command,
'is_otp': is_otp,
})
