63 lines
1.9 KiB
Ruby
63 lines
1.9 KiB
Ruby
# frozen_string_literal: true
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module GoogleApi
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class AuthorizationsController < ApplicationController
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include Gitlab::Utils::StrongMemoize
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before_action :validate_session_key!
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feature_category :deployment_management
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urgency :low
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##
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# handle the response from google after the user
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# goes through authentication and authorization process
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def callback
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redirect_uri = redirect_uri_from_session
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##
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# when the user declines authorizations
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# `error` param is returned
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if params[:error]
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flash[:alert] = _('Google Cloud authorizations required')
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redirect_uri = session[:error_uri]
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##
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# on success, the `code` param is returned
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elsif params[:code]
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token, expires_at = GoogleApi::CloudPlatform::Client
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.new(nil, callback_google_api_auth_url)
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.get_token(params[:code])
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session[GoogleApi::CloudPlatform::Client.session_key_for_token] = token
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session[GoogleApi::CloudPlatform::Client.session_key_for_expires_at] = expires_at.to_s
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redirect_uri = redirect_uri_from_session
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end
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##
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# or google may just timeout
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rescue ::Faraday::TimeoutError, ::Faraday::ConnectionFailed
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flash[:alert] = _('Timeout connecting to the Google API. Please try again.')
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##
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# regardless, we redirect the user appropriately
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ensure
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redirect_to redirect_uri
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end
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private
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def validate_session_key!
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access_denied! unless redirect_uri_from_session.present?
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end
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def redirect_uri_from_session
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if params[:state].present?
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session[session_key_for_redirect_uri(params[:state])]
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else
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nil
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end
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end
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strong_memoize_attr :redirect_uri_from_session
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def session_key_for_redirect_uri(state)
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GoogleApi::CloudPlatform::Client.session_key_for_redirect_uri(state)
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end
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end
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end
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