feat: 支持托管中转主机和节点接入线路

app/api/relay/[id]/sync/route.ts

@@ -0,0 +1,37 @@
+import { syncRelay, RelayError } from "@/lib/relays";
+export const runtime = "nodejs";
+export async function POST(
+  request: Request,
+  context: { params: Promise<{ id: string }> },
+) {
+  const headers = { "Cache-Control": "no-store" };
+  try {
+    const reader = request.body?.getReader();
+    if (!reader) return new Response(null, { status: 400, headers });
+    const chunks: Uint8Array[] = [];
+    let size = 0;
+    while (true) {
+      const { value, done } = await reader.read();
+      if (done) break;
+      size += value.byteLength;
+      if (size > 16384) {
+        await reader.cancel();
+        return new Response(null, { status: 413, headers });
+      }
+      chunks.push(value);
+    }
+    return Response.json(
+      await syncRelay(
+        (await context.params).id,
+        request.headers.get("authorization")?.replace(/^Bearer /, "") || "",
+        JSON.parse(Buffer.concat(chunks).toString("utf8")),
+      ),
+      { headers },
+    );
+  } catch (e) {
+    return Response.json(
+      { error: e instanceof RelayError ? e.message : "无效报告。" },
+      { status: e instanceof RelayError ? 403 : 400, headers },
+    );
+  }
+}