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app/api/upload-media/route.ts

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+import { NextRequest, NextResponse } from "next/server";
+import * as Minio from "minio";
+
+// mc alias list myminio: http://minioweb.hackrobot.cn:9035
+const MINIO_ENDPOINT = process.env.MINIO_ENDPOINT || "minioweb.hackrobot.cn";
+const MINIO_PORT = parseInt(process.env.MINIO_PORT || "9035", 10);
+const MINIO_USE_SSL = process.env.MINIO_USE_SSL === "true";
+const MINIO_BUCKET = process.env.MINIO_BUCKET || "hackrobot";
+const MINIO_ACCESS_KEY = process.env.MINIO_ACCESS_KEY || "6i56HHfg4zPfYItCZtnp";
+const MINIO_SECRET_KEY = process.env.MINIO_SECRET_KEY || "vDJCqEit3ejH5UmWKAZnvqhziNfbVsoOlBW12G8Q";
+// 公开访问 URL（https 无端口），API 上传用 9035
+const MINIO_PUBLIC_URL =
+  process.env.MINIO_PUBLIC_URL ||
+  `https://${MINIO_ENDPOINT}/${MINIO_BUCKET}`;
+
+export async function POST(request: NextRequest) {
+  try {
+    const form = await request.formData();
+    const file = form.get("file");
+    const fileObj =
+      file instanceof File ? file : file instanceof Blob ? file : null;
+
+    if (!fileObj || fileObj.size === 0) {
+      return NextResponse.json(
+        { ok: false, error: "请选择文件" },
+        { status: 400 }
+      );
+    }
+
+    if (fileObj.size > 20 * 1024 * 1024) {
+      return NextResponse.json(
+        { ok: false, error: "文件大小不能超过 20MB" },
+        { status: 400 }
+      );
+    }
+
+    const client = new Minio.Client({
+      endPoint: MINIO_ENDPOINT,
+      port: MINIO_PORT,
+      useSSL: MINIO_USE_SSL,
+      accessKey: MINIO_ACCESS_KEY,
+      secretKey: MINIO_SECRET_KEY,
+      pathStyle: true,
+      region: process.env.MINIO_REGION || "china",
+    });
+
+    const ext =
+      (fileObj instanceof File ? fileObj.name : "").split(".").pop() ||
+      (fileObj.type?.startsWith("video/") ? "mp4" : "jpg");
+    const objectKey = `joins/${Date.now()}_${Math.random().toString(36).slice(2)}.${ext}`;
+
+    const buffer = Buffer.from(await fileObj.arrayBuffer());
+    const contentType =
+      (fileObj as File).type || "application/octet-stream";
+
+    await client.putObject(MINIO_BUCKET, objectKey, buffer, buffer.length, {
+      "Content-Type": contentType,
+    });
+
+    const base = MINIO_PUBLIC_URL.replace(/\/$/, "");
+    const url = `${base}/${objectKey}`;
+
+    return NextResponse.json({ ok: true, url });
+  } catch (e) {
+    const msg = e instanceof Error ? e.message : String(e);
+    console.error("Upload media error:", e);
+    return NextResponse.json(
+      { ok: false, error: `上传失败: ${msg}` },
+      { status: 500 }
+    );
+  }
+}