Fix URL alteration bug.

Author: BigBlueHat

index.js

@@ -48,13 +48,15 @@ app.use(async ctx => {
       }
     };
   } else {
-    const resp = await fetch(
-      `${apiBaseUrl}${ctx.request.requestTarget}?embed=true`, {
-        headers: {
-          Accept: 'application/json'
-        }
+    const newUrl = new URL(`${apiBaseUrl}${ctx.request.requestTarget}`);
+    if(!newUrl.searchParams.has('embed')) {
+      newUrl.searchParams.append('embed', 'true');
+    }
+    const resp = await fetch(newUrl, {
+      headers: {
+        Accept: 'application/json'
       }
-    );
+    });
     const rv = await resp.json();
     const localhosted = JSON.stringify(rv).replaceAll(apiBaseUrl, '');
     ctx.response.body = localhosted;