309 lines
9 KiB
Ruby
309 lines
9 KiB
Ruby
# frozen_string_literal: true
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class OmniauthCallbacksController < Devise::OmniauthCallbacksController
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include AuthenticatesWithTwoFactorForAdminMode
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include Devise::Controllers::Rememberable
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include AuthHelper
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include InitializesCurrentUserMode
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include KnownSignIn
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include AcceptsPendingInvitations
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after_action :verify_known_sign_in
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protect_from_forgery except: [:failure] + AuthHelper.saml_providers, with: :exception, prepend: true
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feature_category :system_access
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def handle_omniauth
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omniauth_flow(Gitlab::Auth::OAuth)
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end
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AuthHelper.providers_for_base_controller.each do |provider|
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alias_method provider, :handle_omniauth
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end
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# overridden in EE
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def openid_connect
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handle_omniauth
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end
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# Extend the standard implementation to also increment
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# the number of failed sign in attempts
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def failure
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if params[:username].present? && AuthHelper.form_based_provider?(failed_strategy.name)
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user = User.find_by_login(params[:username])
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user&.increment_failed_attempts!
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log_failed_login(params[:username], failed_strategy.name)
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end
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super
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end
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# Extend the standard message generation to accept our custom exception
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def failure_message
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exception = request.env["omniauth.error"]
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error = exception.error_reason if exception.respond_to?(:error_reason)
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error ||= exception.error if exception.respond_to?(:error)
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error ||= exception.message if exception.respond_to?(:message)
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error ||= request.env["omniauth.error.type"].to_s
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error.to_s.humanize if error
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end
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def saml
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omniauth_flow(Gitlab::Auth::Saml)
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rescue Gitlab::Auth::Saml::IdentityLinker::UnverifiedRequest
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redirect_unverified_saml_initiation
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end
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def auth0
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if oauth['uid'].blank?
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fail_auth0_login
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else
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handle_omniauth
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end
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end
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def salesforce
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if oauth.dig('extra', 'email_verified')
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handle_omniauth
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else
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fail_salesforce_login
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end
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end
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def atlassian_oauth2
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omniauth_flow(Gitlab::Auth::Atlassian)
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end
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private
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def log_failed_login(user, provider)
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# overridden in EE
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end
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def after_omniauth_failure_path_for(scope)
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if Gitlab::CurrentSettings.admin_mode
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return new_admin_session_path if current_user_mode.admin_mode_requested?
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end
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super
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end
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def omniauth_flow(auth_module, identity_linker: nil)
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if fragment = request.env.dig('omniauth.params', 'redirect_fragment').presence
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store_redirect_fragment(fragment)
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end
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if current_user
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return render_403 unless link_provider_allowed?(oauth['provider'])
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log_audit_event(current_user, with: oauth['provider'])
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if Gitlab::CurrentSettings.admin_mode
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return admin_mode_flow(auth_module::User) if current_user_mode.admin_mode_requested?
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end
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identity_linker ||= auth_module::IdentityLinker.new(current_user, oauth, session)
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link_identity(identity_linker)
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set_remember_me(current_user)
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if identity_linker.changed?
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redirect_identity_linked
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elsif identity_linker.failed?
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redirect_identity_link_failed(identity_linker.error_message)
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else
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redirect_identity_exists
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end
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else
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sign_in_user_flow(auth_module::User)
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end
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end
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def link_identity(identity_linker)
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identity_linker.link
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end
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def redirect_identity_exists
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redirect_to after_sign_in_path_for(current_user)
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end
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def redirect_identity_link_failed(error_message)
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redirect_to profile_account_path, notice: _("Authentication failed: %{error_message}") % { error_message: error_message }
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end
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def redirect_identity_linked
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redirect_to profile_account_path, notice: _('Authentication method updated')
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end
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def build_auth_user(auth_user_class)
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auth_user_class.new(oauth)
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end
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def sign_in_user_flow(auth_user_class)
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auth_user = build_auth_user(auth_user_class)
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new_user = auth_user.new?
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user = auth_user.find_and_update!
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if auth_user.valid_sign_in?
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# In this case the `#current_user` would not be set. So we can't fetch it
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# from that in `#context_user`. Pushing it manually here makes the information
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# available in the logs for this request.
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Gitlab::ApplicationContext.push(user: user)
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log_audit_event(user, with: oauth['provider'])
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Gitlab::Tracking.event(self.class.name, "#{oauth['provider']}_sso", user: user) if new_user
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set_remember_me(user)
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if user.two_factor_enabled? && !auth_user.bypass_two_factor?
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prompt_for_two_factor(user)
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else
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if user.deactivated?
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user.activate
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flash[:notice] = _('Welcome back! Your account had been deactivated due to inactivity but is now reactivated.')
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end
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accept_pending_invitations(user: user) if new_user
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persist_accepted_terms_if_required(user) if new_user
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store_after_sign_up_path_for_user if intent_to_register?
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sign_in_and_redirect_or_verify_identity(user, auth_user, new_user)
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end
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else
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fail_login(user)
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end
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rescue Gitlab::Auth::OAuth::User::SigninDisabledForProviderError
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handle_disabled_provider
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rescue Gitlab::Auth::OAuth::User::SignupDisabledError
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handle_signup_error
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end
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def handle_signup_error
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label = Gitlab::Auth::OAuth::Provider.label_for(oauth['provider'])
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message = [_("Signing in using your %{label} account without a pre-existing GitLab account is not allowed.") % { label: label }]
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if Gitlab::CurrentSettings.allow_signup?
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message << _("Create a GitLab account first, and then connect it to your %{label} account.") % { label: label }
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end
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flash[:alert] = message.join(' ')
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redirect_to new_user_session_path
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end
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def oauth
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@oauth ||= request.env['omniauth.auth']
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end
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def fail_login(user)
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log_failed_login(user.username, oauth['provider'])
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@provider = Gitlab::Auth::OAuth::Provider.label_for(params[:action])
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@error = user.errors.full_messages.to_sentence
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render 'errors/omniauth_error', layout: "oauth_error", status: :unprocessable_entity
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end
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def fail_auth0_login
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fail_login_with_message(_('Wrong extern UID provided. Make sure Auth0 is configured correctly.'))
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end
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def fail_salesforce_login
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fail_login_with_message(_('Email not verified. Please verify your email in Salesforce.'))
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end
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def fail_login_with_message(message)
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flash[:alert] = message
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redirect_to new_user_session_path
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end
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def redirect_unverified_saml_initiation
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redirect_to profile_account_path, notice: _('Request to link SAML account must be authorized')
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end
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def handle_disabled_provider
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label = Gitlab::Auth::OAuth::Provider.label_for(oauth['provider'])
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flash[:alert] = _("Signing in using %{label} has been disabled") % { label: label }
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redirect_to new_user_session_path
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end
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def log_audit_event(user, options = {})
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AuditEventService.new(user, user, options)
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.for_authentication.security_event
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end
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def set_remember_me(user)
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return unless remember_me?
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if user.two_factor_enabled?
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params[:remember_me] = '1'
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else
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remember_me(user)
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end
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end
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def remember_me?
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request_params = request.env['omniauth.params']
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(request_params['remember_me'] == '1') if request_params.present?
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end
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def intent_to_register?
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request_params = request.env['omniauth.params']
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(request_params['intent'] == 'register') if request_params.present?
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end
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def store_redirect_fragment(redirect_fragment)
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key = stored_location_key_for(:user)
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location = session[key]
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if uri = parse_uri(location)
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uri.fragment = redirect_fragment
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store_location_for(:user, uri.to_s)
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end
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end
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def admin_mode_flow(auth_user_class)
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auth_user = build_auth_user(auth_user_class)
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return fail_admin_mode_invalid_credentials unless omniauth_identity_matches_current_user?
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if current_user.two_factor_enabled? && !auth_user.bypass_two_factor?
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admin_mode_prompt_for_two_factor(current_user)
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else
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# Can only reach here if the omniauth identity matches current user
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# and current_user is an admin that requested admin mode
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current_user_mode.enable_admin_mode!(skip_password_validation: true)
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redirect_to stored_location_for(:redirect) || admin_root_path, notice: _('Admin mode enabled')
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end
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end
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def omniauth_identity_matches_current_user?
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current_user.matches_identity?(oauth['provider'], oauth['uid'])
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end
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def fail_admin_mode_invalid_credentials
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redirect_to new_admin_session_path, alert: _('Invalid login or password')
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end
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def persist_accepted_terms_if_required(user)
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return unless user.persisted?
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return unless Gitlab::CurrentSettings.current_application_settings.enforce_terms?
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terms = ApplicationSetting::Term.latest
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Users::RespondToTermsService.new(user, terms).execute(accepted: true)
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end
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def store_after_sign_up_path_for_user
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store_location_for(:user, users_sign_up_welcome_path)
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end
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# overridden in EE
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def sign_in_and_redirect_or_verify_identity(user, _, _)
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sign_in_and_redirect(user, event: :authentication)
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end
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end
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OmniauthCallbacksController.prepend_mod_with('OmniauthCallbacksController')
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