From de1361c20e8f9fda39206c0dcf3f21de5f8a71cf Mon Sep 17 00:00:00 2001
From: F04C <israeldarrel01@gmail.com>
Date: Wed, 7 Jan 2026 15:40:53 +0800
Subject: [PATCH] fixed allowedRedirectURI

---
 handlers/redirect.go | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/handlers/redirect.go b/handlers/redirect.go
index 60fe2c8..7d77167 100644
--- a/handlers/redirect.go
+++ b/handlers/redirect.go
@@ -8,16 +8,26 @@ import (
 
 func IsAllowedRedirectURI(uri string) bool {
 	allowedRedirectURIsEnv := os.Getenv("ALLOWED_REDIRECT_URIS")
+	log.Print("Checking redirect URI: ", uri)
+	log.Print("Allowed Redirect URIs (raw): ", allowedRedirectURIsEnv)
+
 	if allowedRedirectURIsEnv == "" {
+		log.Print("ERROR: ALLOWED_REDIRECT_URIS environment variable is empty")
 		return false
 	}
 
 	allowedRedirectURIs := strings.Split(allowedRedirectURIsEnv, ",")
-	for _, allowed := range allowedRedirectURIs {
-		if uri == strings.TrimSpace(allowed) {
+	log.Print("Parsed allowed URIs count: ", len(allowedRedirectURIs))
+
+	for i, allowed := range allowedRedirectURIs {
+		trimmed := strings.TrimSpace(allowed)
+		log.Printf("  [%d] Comparing '%s' with '%s'", i, uri, trimmed)
+		if uri == trimmed {
+			log.Print("✓ Redirect URI allowed: ", uri)
 			return true
 		}
 	}
-	log.Print("Redirect URI not allowed: ", uri)
+
+	log.Print("✗ Redirect URI not allowed: ", uri)
 	return false
 }