From b2fec926e9033c1cce943d6c0cf4bb0f39a153c4 Mon Sep 17 00:00:00 2001
From: Vasya Shevchenko <vasya.shevchenko.2011@gmail.com>
Date: Fri, 25 Oct 2019 13:00:02 +0300
Subject: [PATCH] add HTTP Basic Authentication

---
 README.md                                                 | 8 ++++++++
 .../grape_swagger_rails/application_controller.rb         | 7 +++++++
 lib/grape-swagger-rails.rb                                | 6 +++++-
 3 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index c2ab05d..eb53c45 100644
--- a/README.md
+++ b/README.md
@@ -92,6 +92,14 @@ GrapeSwaggerRails.options.validator_url = nil
 Using the `headers` option above, you could hard-code Basic Authentication credentials.
 Alternatively, you can configure Basic Authentication through the UI, as described below.
 
+### HTTP Basic Authentication
+If you want to use HTTP Basic Authentication add:
+
+```ruby
+GrapeSwaggerRails.options.http_base_auth_name = 'admin'
+GrapeSwaggerRails.options.http_base_auth_password = 'admin'
+```
+
 ### Basic Authentication
 
 If your application uses Basic Authentication, you can setup Swagger to send the username and password to the server with each request to your API:
diff --git a/app/controllers/grape_swagger_rails/application_controller.rb b/app/controllers/grape_swagger_rails/application_controller.rb
index 6bcd837..c526d56 100644
--- a/app/controllers/grape_swagger_rails/application_controller.rb
+++ b/app/controllers/grape_swagger_rails/application_controller.rb
@@ -1,5 +1,12 @@
 module GrapeSwaggerRails
   class ApplicationController < ActionController::Base
+
+    # HTTP Base Auth
+    if GrapeSwaggerRails.options.http_base_auth_name.present? && GrapeSwaggerRails.options.http_base_auth_password.present?
+      http_basic_authenticate_with name: GrapeSwaggerRails.options.http_base_auth_name,
+                                   password: GrapeSwaggerRails.options.http_base_auth_password
+    end
+
     if Rails::VERSION::MAJOR >= 4
       before_action { run_before_action }
     else
diff --git a/lib/grape-swagger-rails.rb b/lib/grape-swagger-rails.rb
index f8e0294..5324921 100644
--- a/lib/grape-swagger-rails.rb
+++ b/lib/grape-swagger-rails.rb
@@ -38,6 +38,10 @@ def before_action(&block)
     before_action_proc:     nil, # Proc used as a controller before action
 
     hide_url_input:         false,
-    hide_api_key_input:     false
+    hide_api_key_input:     false,
+
+    # HTTP Base Auth
+    http_base_auth_name:         '',
+    http_base_auth_password:     ''
   )
 end