147 lines
4.1 KiB
Ruby
147 lines
4.1 KiB
Ruby
# frozen_string_literal: true
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module Gitlab
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class OmniauthInitializer
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OAUTH2_TIMEOUT_SECONDS = 10
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ConfigurationError = Class.new(StandardError)
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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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class << self
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def default_arguments_for(provider_name)
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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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when 'google_oauth2'
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{ client_options: { connection_opts: { request: { timeout: OAUTH2_TIMEOUT_SECONDS } } } }
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when 'gitlab'
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{
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authorize_params: { gl_auth_type: 'login' }
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}
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else
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{}
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end
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end
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def full_host
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proc { |_env| Settings.gitlab['base_url'] }
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end
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private
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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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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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arguments = provider.fetch('args', {})
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defaults = provider_defaults(provider)
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case arguments
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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 arguments
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provider_arguments << defaults unless defaults.empty?
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when Hash
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hash_arguments = arguments.deep_symbolize_keys.deep_merge(defaults)
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normalized = normalize_hash_arguments(hash_arguments)
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# A Hash from the configuration will be passed as is.
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provider_arguments << normalized unless normalized.empty?
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else
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# this will prevent the application from starting in development mode.
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# we still set defaults, and let the application start in prod.
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Gitlab::ErrorTracking.track_and_raise_for_dev_exception(
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ConfigurationError.new("Arguments were provided for #{provider['name']}, but not as an array or a hash"),
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provider_name: provider['name'],
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arguments_type: arguments.class.name
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)
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provider_arguments << defaults unless defaults.empty?
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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.deep_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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args
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end
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def provider_defaults(provider)
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self.class.default_arguments_for(provider['name'])
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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 *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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Gitlab::OmniauthInitializer.prepend_mod_with('Gitlab::OmniauthInitializer')
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