From 950f52100236fa94390a0e3652bf817ba4774774 Mon Sep 17 00:00:00 2001
From: Peter Cai <peter@typeblog.net>
Date: Fri, 24 Feb 2023 16:10:16 +0100
Subject: [PATCH] Add "nickname" claim for better OIDC compat

---
 handlers/user/info.go | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/handlers/user/info.go b/handlers/user/info.go
index c92d953..4ef420c 100644
--- a/handlers/user/info.go
+++ b/handlers/user/info.go
@@ -57,8 +57,13 @@ func UserInfo(ctx *gin.Context) {
 		for _, s := range scopes {
 			if value, ok := (*userinfo)[s]; ok {
 				userinfoRes[s] = value
-			} else if s == "openid" {
+			}
+
+			if s == "openid" {
 				userinfoRes["sub"] = *tokenInfo.Sub
+			} else if s == "username" {
+				// Add "nickname" field for OIDC compatibility
+				userinfoRes["nickname"] = userinfoRes[s]
 			}
 		}
 	}