From 9d0a5a140723e1fc001b3d6c147e37a2403c88d7 Mon Sep 17 00:00:00 2001
From: Stephen Greer <stephen.greer@powerhrg.com>
Date: Tue, 19 Sep 2023 14:56:38 -0500
Subject: [PATCH] Display better error message for missing credentials

---
 lib/omniauth/strategies/base_strategy.rb | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/lib/omniauth/strategies/base_strategy.rb b/lib/omniauth/strategies/base_strategy.rb
index 2ca2896..f75af63 100644
--- a/lib/omniauth/strategies/base_strategy.rb
+++ b/lib/omniauth/strategies/base_strategy.rb
@@ -7,6 +7,7 @@ module OmniAuth
   module Strategies
     class BaseStrategy < OmniAuth::Strategies::OpenIDConnect
       class APIError < StandardError; end
+      class ClientCredentialsError < StandardError; end
 
       def public_key
         @public_key ||= if options.discovery
@@ -18,6 +19,14 @@ def public_key
                         end
       end
 
+      def client
+        super
+      rescue AttrRequired::AttrMissing
+        raise ClientCredentialsError.new(
+          "#{options[:name].camelize} client credentials not found. Please check your environment."
+        )
+      end
+
       def self.decode_logout_token(token)
         jwks = fetch_jwks
         JSON::JWT.decode(token, jwks)