feat: support gemini pro

app/api/google/[...path]/route.ts

@@ -0,0 +1,69 @@
+import { prettyObject } from "@/app/utils/format";
+import { NextRequest, NextResponse } from "next/server";
+import { auth, googleAuth } from "../../auth";
+import { requestGoogleGemini } from "../../common";
+
+async function handle(
+  req: NextRequest,
+  { params }: { params: { path: string[] } },
+) {
+  console.log("[OpenAI Route] params ", params);
+
+  if (req.method === "OPTIONS") {
+    return NextResponse.json({ body: "OK" }, { status: 200 });
+  }
+
+  const subpath = params.path.join("/");
+
+  // if (!ALLOWD_PATH.has(subpath)) {
+  //   console.log("[OpenAI Route] forbidden path ", subpath);
+  //   return NextResponse.json(
+  //     {
+  //       error: true,
+  //       msg: "you are not allowed to request " + subpath,
+  //     },
+  //     {
+  //       status: 403,
+  //     },
+  //   );
+  // }
+
+  const authResult = googleAuth(req);
+  if (authResult.error) {
+    return NextResponse.json(authResult, {
+      status: 401,
+    });
+  }
+
+  try {
+    const response = await requestGoogleGemini(req);
+    return response;
+  } catch (e) {
+    console.error("[OpenAI] ", e);
+    return NextResponse.json(prettyObject(e));
+  }
+}
+
+export const GET = handle;
+export const POST = handle;
+
+export const runtime = "edge";
+export const preferredRegion = [
+  "arn1",
+  "bom1",
+  "cdg1",
+  "cle1",
+  "cpt1",
+  "dub1",
+  "fra1",
+  "gru1",
+  "hnd1",
+  "iad1",
+  "icn1",
+  "kix1",
+  "lhr1",
+  "pdx1",
+  "sfo1",
+  "sin1",
+  "syd1",
+];