Add method to return optional and required attributes

lib/code0/identities/identity_provider.rb

@@ -26,6 +26,10 @@ def load_identity(provider_id, params)
 
         provider.load_identity(params)
       end
+
+      def [](provider_id)
+        providers[provider_id]
+      end
     end
   end
 end

lib/code0/identities/provider/base_oauth.rb

@@ -10,6 +10,10 @@ def initialize(config_loader)
           @config_loader = config_loader
         end
 
+        def config_attributes
+          raise NotImplementedError
+        end
+
         def authorization_url
           raise NotImplementedError
         end

lib/code0/identities/provider/discord.rb

@@ -4,6 +4,13 @@ module Code0
   module Identities
     module Provider
       class Discord < BaseOauth
+        def config_attributes
+          {
+            required: %i[client_id client_secret redirect_uri],
+            optional: %i[provider_name]
+          }
+        end
+
         def token_url
           "https://discord.com/api/oauth2/token"
         end

lib/code0/identities/provider/github.rb

@@ -4,6 +4,13 @@ module Code0
   module Identities
     module Provider
       class Github < BaseOauth
+        def config_attributes
+          {
+            required: %i[client_id client_secret redirect_uri],
+            optional: %i[provider_name]
+          }
+        end
+
         def token_url
           "https://github.com/login/oauth/access_token"
         end

lib/code0/identities/provider/gitlab.rb

@@ -4,6 +4,13 @@ module Code0
   module Identities
     module Provider
       class Gitlab < BaseOauth
+        def config_attributes
+          {
+            required: %i[base_url client_id client_secret redirect_uri],
+            optional: %i[provider_name]
+          }
+        end
+
         def base_url
           config[:base_url]
         end

lib/code0/identities/provider/google.rb

@@ -4,6 +4,13 @@ module Code0
   module Identities
     module Provider
       class Google < BaseOauth
+        def config_attributes
+          {
+            required: %i[client_id client_secret redirect_uri],
+            optional: %i[provider_name]
+          }
+        end
+
         def base_url
           "https://accounts.google.com"
         end

lib/code0/identities/provider/microsoft.rb

@@ -4,6 +4,13 @@ module Code0
   module Identities
     module Provider
       class Microsoft < BaseOauth
+        def config_attributes
+          {
+            required: %i[client_id client_secret redirect_uri],
+            optional: %i[provider_name]
+          }
+        end
+
         def base_url
           "https://graph.microsoft.com/"
         end

lib/code0/identities/provider/oidc.rb

@@ -4,6 +4,13 @@ module Code0
   module Identities
     module Provider
       class Oidc < BaseOauth
+        def config_attributes
+          {
+            required: %i[client_id client_secret redirect_uri token_url user_details_url authorization_url],
+            optional: %i[provider_name]
+          }
+        end
+
         def token_url
           config[:token_url]
         end

lib/code0/identities/provider/saml.rb

@@ -10,6 +10,13 @@ def initialize(config_loader)
           @config_loader = config_loader
         end
 
+        def config_attributes
+          {
+            required: %i[],
+            optional: %i[provider_name metadata_url settings response_settings attribute_statements]
+          }
+        end
+
         def authorization_url
           request = OneLogin::RubySaml::Authrequest.new
           request.create(create_settings)

sig/code0/identities/identity_provider.rbs

@@ -7,6 +7,8 @@ module Code0
 
       def initialize: () -> void
 
+      def []: (Symbol) -> Provider::BaseOauth
+
       def add_provider: (provider_type: Symbol, config: Proc | Hash[Symbol, any]) -> void
 
       def add_named_provider: (provider_id: Symbol, provider_type: Symbol, config: Proc | Hash[Symbol, any]) -> void

sig/code0/identities/provider/base_oauth.rbs

@@ -8,6 +8,8 @@ module Code0
 
         def authorization_url: () -> String
 
+        def config_attributes: -> { optional: Array[Symbol], required: Array[Symbol] }
+
         def token_url: () -> String
 
         def user_details_url: () -> String

sig/code0/identities/provider/saml.rbs

@@ -4,6 +4,8 @@ module Code0
       class Saml
         def authorization_url: () -> String
 
+        def config_attributes: -> { optional: Array[Symbol], required: Array[Symbol] }
+
         def load_identity: (Hash[Symbol, any]) -> Identity
       end
     end