124 lines
3.4 KiB
Ruby
124 lines
3.4 KiB
Ruby
# frozen_string_literal: true
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module Gitlab
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class OmniauthInitializer
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prepend_if_ee('::EE::Gitlab::OmniauthInitializer') # rubocop: disable Cop/InjectEnterpriseEditionModule
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def initialize(devise_config)
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@devise_config = devise_config
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end
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def execute(providers)
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providers.each do |provider|
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name = provider['name'].to_sym
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add_provider_to_devise(name, *arguments_for(provider))
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setup_provider(name)
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end
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end
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private
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def add_provider_to_devise(*args)
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@devise_config.omniauth(*args)
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end
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def arguments_for(provider)
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provider_arguments = []
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%w[app_id app_secret].each do |argument|
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provider_arguments << provider[argument] if provider[argument]
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end
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case provider['args']
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when Array
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# An Array from the configuration will be expanded.
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provider_arguments.concat provider['args']
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when Hash
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hash_arguments = provider['args'].merge(provider_defaults(provider))
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# A Hash from the configuration will be passed as is.
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provider_arguments << normalize_hash_arguments(hash_arguments)
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end
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provider_arguments
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end
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def normalize_hash_arguments(args)
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args.symbolize_keys!
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# Rails 5.1 deprecated the use of string names in the middleware
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# (https://github.com/rails/rails/commit/83b767ce), so we need to
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# pass in the actual class to Devise.
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if args[:strategy_class].is_a?(String)
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args[:strategy_class] = args[:strategy_class].constantize
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end
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# Providers that are known to depend on rack-oauth2, like those using
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# Omniauth::Strategies::OpenIDConnect, need to be quirked so the
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# client_auth_method argument value is passed as a symbol.
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if (args[:strategy_class] == OmniAuth::Strategies::OpenIDConnect ||
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args[:name] == 'openid_connect') &&
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args[:client_auth_method].is_a?(String)
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args[:client_auth_method] = args[:client_auth_method].to_sym
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end
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args
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end
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def provider_defaults(provider)
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case provider['name']
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when 'cas3'
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{ on_single_sign_out: cas3_signout_handler }
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when 'authentiq'
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{ remote_sign_out_handler: authentiq_signout_handler }
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when 'shibboleth'
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{ fail_with_empty_uid: true }
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else
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{}
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end
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end
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def cas3_signout_handler
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lambda do |request|
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ticket = request.params[:session_index]
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raise "Service Ticket not found." unless Gitlab::Auth::OAuth::Session.valid?(:cas3, ticket)
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Gitlab::Auth::OAuth::Session.destroy(:cas3, ticket)
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true
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end
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end
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def authentiq_signout_handler
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lambda do |request|
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authentiq_session = request.params['sid']
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if Gitlab::Auth::OAuth::Session.valid?(:authentiq, authentiq_session)
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Gitlab::Auth::OAuth::Session.destroy(:authentiq, authentiq_session)
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true
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else
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false
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end
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end
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end
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def omniauth_customized_providers
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@omniauth_customized_providers ||= build_omniauth_customized_providers
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end
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# We override this in EE
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def build_omniauth_customized_providers
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%i[bitbucket jwt]
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end
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def setup_provider(provider)
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case provider
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when :kerberos
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require 'omniauth-kerberos'
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when *omniauth_customized_providers
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require_dependency "omni_auth/strategies/#{provider}"
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end
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end
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end
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end
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