fix(ui): agent card proxy urls (#1139)

Signed-off-by: Petr Bulánek <[email protected]>

Author: PetrBulanek

apps/beeai-ui/src/app/api/[...path]/body-transformers.ts

@@ -3,14 +3,22 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-import { getBaseUrl } from '#utils/api/getBaseUrl.ts';
+import type { AgentCard } from '@a2a-js/sdk';
 
-export async function transformAgentManifestBody(response: Response, apiPath: string[]) {
+import { createProxyUrl } from '#utils/api/getProxyUrl.ts';
+
+export async function transformAgentManifestBody(response: Response) {
   try {
-    const body = await response.json();
-    const providerId = apiPath.at(2);
+    const body: AgentCard = await response.json();
 
-    const modifiedBody = { ...body, url: getBaseUrl(`/api/v1/a2a/${providerId}/jsonrpc/`, true) };
+    const modifiedBody = {
+      ...body,
+      additionalInterfaces: body.additionalInterfaces?.map((item) => ({
+        ...item,
+        url: createProxyUrl(item.url),
+      })),
+      url: createProxyUrl(body.url),
+    };
 
     return JSON.stringify(modifiedBody);
   } catch (err) {

apps/beeai-ui/src/app/api/[...path]/route.ts

@@ -40,7 +40,7 @@ async function handler(request: NextRequest, context: RouteContext) {
 
   let responseBody: ReadableStream<Uint8Array<ArrayBufferLike>> | string | null = res.body;
   if (isApiAgentManifestUrl(targetUrl)) {
-    responseBody = await transformAgentManifestBody(res, path);
+    responseBody = await transformAgentManifestBody(res);
   }
 
   return new Response(responseBody, {

apps/beeai-ui/src/utils/api/getProxyUrl.ts

@@ -0,0 +1,16 @@
+/**
+ * Copyright 2025 © BeeAI a Series of LF Projects, LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import { BASE_PATH } from '#utils/constants.ts';
+
+export function createProxyUrl(url: string) {
+  try {
+    const { origin } = new URL(url);
+
+    return BASE_PATH + url.replace(origin, '');
+  } catch {
+    return url;
+  }
+}