117 lines
3.7 KiB
Ruby
117 lines
3.7 KiB
Ruby
# frozen_string_literal: true
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class Oauth::AuthorizationsController < Doorkeeper::AuthorizationsController
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include InitializesCurrentUserMode
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include Gitlab::Utils::StrongMemoize
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before_action :verify_confirmed_email!, :verify_admin_allowed!
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layout 'profile'
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# Overridden from Doorkeeper::AuthorizationsController to
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# include the call to session.delete
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def new
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if pre_auth.authorizable?
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if skip_authorization? || matching_token?
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auth = authorization.authorize
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parsed_redirect_uri = URI.parse(auth.redirect_uri)
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session.delete(:user_return_to)
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render "doorkeeper/authorizations/redirect", locals: { redirect_uri: parsed_redirect_uri }, layout: false
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else
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redirect_uri = URI(authorization.authorize.redirect_uri)
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allow_redirect_uri_form_action(redirect_uri.scheme)
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render "doorkeeper/authorizations/new"
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end
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else
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render "doorkeeper/authorizations/error"
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end
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end
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private
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# Chrome blocks redirections if the form-action CSP directive is present
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# and the redirect location's scheme isn't allow-listed
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# https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Security-Policy/form-action
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# https://github.com/w3c/webappsec-csp/issues/8
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def allow_redirect_uri_form_action(redirect_uri_scheme)
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return unless content_security_policy?
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form_action = request.content_security_policy.form_action
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return unless form_action
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form_action.push("#{redirect_uri_scheme}:")
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request.content_security_policy.form_action(*form_action)
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end
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def pre_auth_params
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# Cannot be achieved with a before_action hook, due to the execution order.
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downgrade_scopes! if action_name == 'new'
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super
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end
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# limit scopes when signing in with GitLab
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def downgrade_scopes!
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auth_type = params.delete('gl_auth_type')
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return unless auth_type == 'login'
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ensure_read_user_scope!
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params['scope'] = Gitlab::Auth::READ_USER_SCOPE.to_s if application_has_read_user_scope?
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end
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# Configure the application to support read_user scope, if it already
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# supports scopes with greater levels of privileges.
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def ensure_read_user_scope!
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return if application_has_read_user_scope?
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return unless application_has_api_scope?
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add_read_user_scope!
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end
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def add_read_user_scope!
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return unless doorkeeper_application
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scopes = doorkeeper_application.scopes
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scopes.add(Gitlab::Auth::READ_USER_SCOPE)
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doorkeeper_application.scopes = scopes
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doorkeeper_application.save!
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end
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def doorkeeper_application
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strong_memoize(:doorkeeper_application) { ::Doorkeeper::OAuth::Client.find(params['client_id'])&.application }
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end
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def application_has_read_user_scope?
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doorkeeper_application&.includes_scope?(Gitlab::Auth::READ_USER_SCOPE)
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end
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def application_has_api_scope?
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doorkeeper_application&.includes_scope?(*::Gitlab::Auth::API_SCOPES)
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end
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def verify_confirmed_email!
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return if current_user&.confirmed?
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pre_auth.error = :unconfirmed_email
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render "doorkeeper/authorizations/error"
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end
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def verify_admin_allowed!
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render "doorkeeper/authorizations/forbidden" if disallow_connect?
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end
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def disallow_connect?
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# we're disabling Cop/UserAdmin as OAuth tokens don't seem to respect admin mode
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current_user&.admin? && Gitlab::CurrentSettings.disable_admin_oauth_scopes && dangerous_scopes? # rubocop:disable Cop/UserAdmin
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end
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def dangerous_scopes?
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doorkeeper_application&.includes_scope?(
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*::Gitlab::Auth::API_SCOPE, *::Gitlab::Auth::READ_API_SCOPE,
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*::Gitlab::Auth::ADMIN_SCOPES, *::Gitlab::Auth::REPOSITORY_SCOPES,
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*::Gitlab::Auth::REGISTRY_SCOPES
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) && !doorkeeper_application&.trusted?
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end
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end
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