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class OmniauthCallbacksController < Devise::OmniauthCallbacksController
include AuthenticatesWithTwoFactor
protect_from_forgery except: [:kerberos, :saml, :cas3]
Gitlab.config.omniauth.providers.each do |provider|
define_method provider['name'] do
handle_omniauth
end
end
# 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
# We only find ourselves here
# if the authentication to LDAP was successful.
def ldap
ldap_user = Gitlab::LDAP::User.new(oauth)
ldap_user.save if ldap_user.changed? # will also save new users
@user = ldap_user.gl_user
@user.remember_me = params[:remember_me] if ldap_user.persisted?
# Do additional LDAP checks for the user filter and EE features
if ldap_user.allowed?
if @user.two_factor_enabled?
prompt_for_two_factor(@user)
else
log_audit_event(@user, with: :ldap)
sign_in_and_redirect(@user)
end
else
flash[:alert] = "Access denied for your LDAP account."
redirect_to new_user_session_path
end
end
def saml
if current_user
log_audit_event(current_user, with: :saml)
# Update SAML identity if data has changed.
identity = current_user.identities.find_by(extern_uid: oauth['uid'], provider: :saml)
if identity.nil?
current_user.identities.create(extern_uid: oauth['uid'], provider: :saml)
redirect_to profile_account_path, notice: 'Authentication method updated'
else
redirect_to after_sign_in_path_for(current_user)
end
else
saml_user = Gitlab::Saml::User.new(oauth)
saml_user.save if saml_user.changed?
@user = saml_user.gl_user
continue_login_process
end
rescue Gitlab::OAuth::SignupDisabledError
handle_signup_error
end
def omniauth_error
@provider = params[:provider]
@error = params[:error]
render 'errors/omniauth_error', layout: "oauth_error", status: 422
end
def cas3
ticket = params['ticket']
if ticket
handle_service_ticket oauth['provider'], ticket
end
handle_omniauth
end
def authentiq
if params['sid']
handle_service_ticket oauth['provider'], params['sid']
end
handle_omniauth
end
private
def handle_omniauth
if current_user
# Add new authentication method
current_user.identities.find_or_create_by(extern_uid: oauth['uid'], provider: oauth['provider'])
log_audit_event(current_user, with: oauth['provider'])
redirect_to profile_account_path, notice: 'Authentication method updated'
else
oauth_user = Gitlab::OAuth::User.new(oauth)
oauth_user.save
@user = oauth_user.gl_user
continue_login_process
end
rescue Gitlab::OAuth::SignupDisabledError
handle_signup_error
end
def handle_service_ticket(provider, ticket)
Gitlab::OAuth::Session.create provider, ticket
session[:service_tickets] ||= {}
session[:service_tickets][provider] = ticket
end
def continue_login_process
# Only allow properly saved users to login.
if @user.persisted? && @user.valid?
log_audit_event(@user, with: oauth['provider'])
if @user.two_factor_enabled?
prompt_for_two_factor(@user)
else
sign_in_and_redirect(@user)
end
else
error_message = @user.errors.full_messages.to_sentence
return redirect_to omniauth_error_path(oauth['provider'], error: error_message)
end
end
def handle_signup_error
label = Gitlab::OAuth::Provider.label_for(oauth['provider'])
message = "Signing in using your #{label} account without a pre-existing GitLab account is not allowed."
if current_application_settings.signup_enabled?
message << " Create a GitLab account first, and then connect it to your #{label} account."
end
flash[:notice] = message
redirect_to new_user_session_path
end
def oauth
@oauth ||= request.env['omniauth.auth']
end
def log_audit_event(user, options = {})
AuditEventService.new(user, user, options)
.for_authentication.security_event
end
end