def login_view():
"""Login view for authenticating using OpenID."""
if g.user is not None:
return redirect(openid.get_next_url())
error = openid.fetch_error()
if request.method == 'POST':
oid = request.form.get('openid')
if oid:
return openid.try_login(
oid,
ask_for=['email', 'fullname', 'nickname'])
else:
error = 'You need to specify a valid OpenID to continue'
return render_template(
'login.html',
next=openid.get_next_url(),
error=error)
def login_openid(response):
"""Login the user after a successful OpenID authentication.
If the user is not found in the database the login will be rejected. If the
user is found, the user will be updated with the fullkname and email
returned by the Provider and the session will be authenticated.
"""
user = User.query.filter(User.openid == response.identity_url).first()
if user:
user.name = response.fullname
user.email = response.email
user.save()
g.user = user
session["openid"] = user.openid
else:
flash(
"Your account doesn't have access to this system.",
category="error")
return redirect(openid.get_next_url())
def logout_view():
session.pop('openid', None)
flash('You were successfully signed out from Authz')
return redirect(openid.get_next_url())
