sync upstream code

app/api/tools/ddg/route.ts

@@ -0,0 +1,49 @@
+import { prettyObject } from "@/app/utils/format";
+import { NextRequest, NextResponse } from "next/server";
+import { auth } from "../../auth";
+
+import { search, SafeSearchType } from "duck-duck-scrape";
+
+async function handle(req: NextRequest) {
+  if (req.method === "OPTIONS") {
+    return NextResponse.json({ body: "OK" }, { status: 200 });
+  }
+
+  let query = req.nextUrl.searchParams.get("query") ?? "";
+  let maxResults = req.nextUrl.searchParams.get(
+    "max_results",
+  ) as unknown as number;
+  if (!maxResults) maxResults = 3;
+  console.log("[Tools Route] query ", query);
+
+  const authResult = auth(req);
+  if (authResult.error) {
+    return NextResponse.json(authResult, {
+      status: 401,
+    });
+  }
+
+  try {
+    const searchResults = await search(query, {
+      safeSearch: SafeSearchType.OFF,
+    });
+    const result = searchResults.results
+      .slice(0, maxResults)
+      .map(({ title, description, url }) => ({
+        title,
+        content: description,
+        url,
+      }));
+    const res = new NextResponse(JSON.stringify(result));
+    res.headers.set("Content-Type", "application/json");
+    res.headers.set("Cache-Control", "no-cache");
+    return res;
+  } catch (e) {
+    console.error("[Tools] ", e);
+    return NextResponse.json(prettyObject(e));
+  }
+}
+
+export const GET = handle;
+
+export const runtime = "nodejs";