Replace deprecated Rails secrets

Use new credentials interface.

app/controllers/admin/stripe_accounts_controller.rb

@@ -6,7 +6,7 @@ module Admin
   class StripeAccountsController < Spree::Admin::BaseController
     def connect
       payload = params.permit(:enterprise_id).to_h
-      key = Openfoodnetwork::Application.config.secret_token
+      key = Openfoodnetwork::Application.credentials.secret_token
       url_params = { state: JWT.encode(payload, key, 'HS256'), scope: "read_write" }
       redirect_to Stripe::OAuth.authorize_url(url_params)
     end

config/environments/test.rb

@@ -74,9 +74,6 @@ Rails.application.configure do
     allowed_warnings = [
       # List strings here to allow matching deprecations.
       #
-      # `Rails.application.secrets` is deprecated in favor of `Rails.application.credentials` and will be removed in Rails 7.2
-      "Rails.application.secrets",
-
       "Passing the class as positional argument",
 
       # Spree::CreditCard model aliases `cc_type` and has a method called `cc_type=` defined. Starting in Rails 7.2 `brand=` will not be calling `cc_type=` anymore. You may want to additionally define `brand=` to preserve the current behavior.

config/initializers/secret_token.rb

@@ -6,7 +6,7 @@
 # no regular words or you'll be exposed to dictionary attacks.
 
 # Rails 4+ key for signing and encrypting cookies.
-Openfoodnetwork::Application.config.secret_key_base = ENV["SECRET_TOKEN"]
+Openfoodnetwork::Application.credentials.secret_key_base = ENV["SECRET_TOKEN"]
 
 # Legacy secret_token variable. This is still used directly for encryption.
-Openfoodnetwork::Application.config.secret_token = ENV["SECRET_TOKEN"]
+Openfoodnetwork::Application.credentials.secret_token = ENV["SECRET_TOKEN"]

lib/stripe/account_connector.rb

@@ -41,7 +41,7 @@ module Stripe
 
     def state
       # Returns the original payload
-      key = Openfoodnetwork::Application.config.secret_token
+      key = Openfoodnetwork::Application.credentials.secret_token
       JWT.decode(params["state"], key, true, algorithm: 'HS256')[0]
     end
 

spec/lib/stripe/account_connector_spec.rb

@@ -10,7 +10,7 @@ module Stripe
       let(:user) { create(:user) }
       let(:enterprise) { create(:enterprise) }
       let(:payload) { { "junk" => "Ssfs" } }
-      let(:state) { JWT.encode(payload, Openfoodnetwork::Application.config.secret_token) }
+      let(:state) { JWT.encode(payload, Openfoodnetwork::Application.credentials.secret_token) }
       let(:params) { { "state" => state } }
       let(:connector) { AccountConnector.new(user, params) }