fix: Update ScopesSupported to match RFC 9728 Section 2

internal/util/jwks.go

@@ -10,7 +10,6 @@ import (
 	"strings"
 
 	"github.com/golang-jwt/jwt/v4"
-	"github.com/wso2/open-mcp-auth-proxy/internal/config"
 	logger "github.com/wso2/open-mcp-auth-proxy/internal/logging"
 )
 
@@ -160,55 +159,6 @@ func ParseJWT(tokenStr string) (jwt.MapClaims, error) {
 	return claims, nil
 }
 
-// Process the required scopes
-func GetRequiredScopes(cfg *config.Config, requestBody *RPCEnvelope) []string {
-
-	var scopeObj interface{}
-	found := false
-	for _, m := range cfg.ProtectedResourceMetadata.ScopesSupported {
-		if val, ok := m[requestBody.Method]; ok {
-			scopeObj = val
-			found = true
-			break
-		}
-	}
-	if !found {
-		return nil
-	}
-
-	switch v := scopeObj.(type) {
-	case string:
-		return []string{v}
-	case []any:
-		if requestBody.Params != nil {
-			if paramsMap, ok := requestBody.Params.(map[string]any); ok {
-				name, ok := paramsMap["name"].(string)
-				if ok {
-					for _, item := range v {
-						if scopeMap, ok := item.(map[interface{}]interface{}); ok {
-							if scopeVal, exists := scopeMap[name]; exists {
-								if scopeStr, ok := scopeVal.(string); ok {
-									return []string{scopeStr}
-								}
-								if scopeArr, ok := scopeVal.([]any); ok {
-									var scopes []string
-									for _, s := range scopeArr {
-										if str, ok := s.(string); ok {
-											scopes = append(scopes, str)
-										}
-									}
-									return scopes
-								}
-							}
-						}
-					}
-				}
-			}
-		}
-	}
-
-	return nil
-}
 
 // Extracts the Bearer token from the Authorization header
 func ExtractAccessToken(authHeader string) (string, error) {