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class OmniauthCallbacksController < Devise::OmniauthCallbacksController
# Extend the standard message generation to accept our custom exception
def failure_message
exception = env["omniauth.error"]
error = exception.error_reason if exception.respond_to?(:error_reason)
error ||= exception.error if exception.respond_to?(:error)
error ||= exception.message if exception.respond_to?(:message)
error ||= env["omniauth.error.type"].to_s
error.to_s.humanize if error
end
def ldap
# We only find ourselves here if the authentication to LDAP was successful.
@user = User.find_for_ldap_auth(request.env["omniauth.auth"], current_user)
if @user.persisted?
@user.remember_me = true
end
sign_in_and_redirect @user
end
Settings.omniauth_providers.each do |provider|
define_method provider['name'] do
handle_omniauth
end
end
private
def handle_omniauth
oauth = request.env['omniauth.auth']
provider, uid = oauth['provider'], oauth['uid']
if current_user
# Change a logged-in user's authentication method:
current_user.uid = uid
current_user.provider = provider
current_user.save
redirect_to profile_path
else
@user = User.find_by_provider_and_extern_uid(provider, uid)
if @user
sign_in_and_redirect @user
else
flash[:notice] = "There's no such user!"
redirect_to new_user_session_path
end
end
end
end
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