From be070be7974bcc3661f1898837e4a91fbcb2c87f Mon Sep 17 00:00:00 2001
From: Jake Scott <jake@jakethesnake.dev>
Date: Fri, 29 Jan 2021 02:37:44 -0500
Subject: [PATCH] Support for alternate http auth mechanisms (#291)

Fixes #290
---
 openapi3/security_scheme.go      |  2 +-
 openapi3/security_scheme_test.go | 20 ++++++++++++++++++++
 2 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/openapi3/security_scheme.go b/openapi3/security_scheme.go
index 7e8301987..8d6c7c1fb 100644
--- a/openapi3/security_scheme.go
+++ b/openapi3/security_scheme.go
@@ -115,7 +115,7 @@ func (ss *SecurityScheme) Validate(c context.Context) error {
 		switch scheme {
 		case "bearer":
 			hasBearerFormat = true
-		case "basic":
+		case "basic", "negotiate", "digest":
 		default:
 			return fmt.Errorf("Security scheme of type 'http' has invalid 'scheme' value '%s'", scheme)
 		}
diff --git a/openapi3/security_scheme_test.go b/openapi3/security_scheme_test.go
index 9edb17a75..cba0b8442 100644
--- a/openapi3/security_scheme_test.go
+++ b/openapi3/security_scheme_test.go
@@ -46,6 +46,26 @@ var securitySchemeExamples = []securitySchemeExample{
 `),
 		valid: true,
 	},
+	{
+		title: "Negotiate Authentication Sample",
+		raw: []byte(`
+{
+  "type": "http",
+  "scheme": "negotiate"
+}
+`),
+		valid: true,
+	},
+	{
+		title: "Unknown http Authentication Sample",
+		raw: []byte(`
+{
+  "type": "http",
+  "scheme": "notvalid"
+}
+`),
+		valid: false,
+	},
 	{
 		title: "API Key Sample",
 		raw: []byte(`