Allow different omniauth settings per tenant

Co-Authored-By: Javi Martín <javim@elretirao.net>

lib/omniauth_tenant_setup.rb

@@ -0,0 +1,47 @@
+module OmniauthTenantSetup
+  class << self
+    def twitter
+      ->(env) do
+        oauth(env, secrets.twitter_key, secrets.twitter_secret)
+      end
+    end
+
+    def facebook
+      ->(env) do
+        oauth2(env, secrets.facebook_key, secrets.facebook_secret)
+      end
+    end
+
+    def google_oauth2
+      ->(env) do
+        oauth2(env, secrets.google_oauth2_key, secrets.google_oauth2_secret)
+      end
+    end
+
+    def wordpress_oauth2
+      ->(env) do
+        oauth2(env, secrets.wordpress_oauth2_key, secrets.wordpress_oauth2_secret)
+      end
+    end
+
+    private
+
+      def oauth(env, key, secret)
+        unless Tenant.default?
+          env["omniauth.strategy"].options[:consumer_key] = key
+          env["omniauth.strategy"].options[:consumer_secret] = secret
+        end
+      end
+
+      def oauth2(env, key, secret)
+        unless Tenant.default?
+          env["omniauth.strategy"].options[:client_id] = key
+          env["omniauth.strategy"].options[:client_secret] = secret
+        end
+      end
+
+      def secrets
+        Tenant.current_secrets
+      end
+  end
+end