Revert "Fix: OAuth CORS errors when Connection Type is 'Via Proxy'"

client/src/lib/auth.ts

@@ -12,31 +12,21 @@ import { discoverAuthorizationServerMetadata } from "@modelcontextprotocol/sdk/c
 import { SESSION_KEYS, getServerSpecificKey } from "./constants";
 import { generateOAuthState } from "@/utils/oauthUtils";
 import { validateRedirectUrl } from "@/utils/urlValidation";
-import { discoverAuthorizationServerMetadataViaProxy } from "./oauth-proxy";
-import { InspectorConfig } from "./configurationTypes";
 
 /**
  * Discovers OAuth scopes from server metadata, with preference for resource metadata scopes
  * @param serverUrl - The MCP server URL
- * @param connectionType - Whether to use proxy or direct connection
- * @param config - Inspector configuration (needed for proxy mode)
  * @param resourceMetadata - Optional resource metadata containing preferred scopes
  * @returns Promise resolving to space-separated scope string or undefined
  */
 export const discoverScopes = async (
   serverUrl: string,
-  connectionType: "direct" | "proxy",
-  config: InspectorConfig,
   resourceMetadata?: OAuthProtectedResourceMetadata,
 ): Promise<string | undefined> => {
   try {
-    const metadata =
-      connectionType === "proxy"
-        ? await discoverAuthorizationServerMetadataViaProxy(
-            new URL(serverUrl),
-            config,
-          )
-        : await discoverAuthorizationServerMetadata(new URL("/", serverUrl));
+    const metadata = await discoverAuthorizationServerMetadata(
+      new URL("/", serverUrl),
+    );
 
     // Prefer resource metadata scopes, but fall back to OAuth metadata if empty
     const resourceScopes = resourceMetadata?.scopes_supported;