class WebhookController < ActionController::Base before_action :verify_signature!, only: :helpscout def helpscout email = params[:customer][:email] user = User.find_by(email: email) gestionnaire = Gestionnaire.find_by(email: email) administrateur = Administrateur.find_by(email: email) html = [] if user url = view_context.manager_user_url(user) html << link_to_manager(user, url) end if gestionnaire url = view_context.manager_gestionnaire_url(gestionnaire) html << link_to_manager(gestionnaire, url) end if administrateur url = view_context.manager_administrateur_url(administrateur) html << link_to_manager(administrateur, url) end if html.empty? head :not_found else render json: { html: html.join('
') } end end private def link_to_manager(model, url) "#{model.model_name.human}##{model.id}" end def verify_signature! if generate_body_signature(request.body.read) != request.headers['X-Helpscout-Signature'] request_http_token_authentication end end def generate_body_signature(body) Base64.strict_encode64(OpenSSL::HMAC.digest('sha1', Rails.application.secrets.helpscout[:webhook_secret], body)) end end