feat: filename-aware attachment download endpoint (Content-Disposition), preview download uses it (no popup flash)

2026-10-17 11:07:00 +08:00
parent 6d686c1d69
commit a0aa77dfda
15 changed files with 120 additions and 99 deletions
@@ -357,6 +357,19 @@ const server = http.createServer(async (req, res) => {
        return send(200, true, data);
      }

+      // 附件下载（带原始文件名的 Content-Disposition，浏览器直接落盘）
+      if (req.method === 'POST' && route === '/api/attachment_download') {
+        const body = await readJson(req);
+        const data = commandsFor(auth.user_id).handleCommand('attachment_read', { id: Number(body.id) });
+        const buf = Buffer.from(data.data_b64, 'base64');
+        res.writeHead(200, {
+          'Content-Type': data.mime || 'application/octet-stream',
+          'Content-Length': buf.length,
+          'Content-Disposition': "attachment; filename*=UTF-8''" + encodeURIComponent(data.file_name || 'file')
+        });
+        return res.end(buf);
+      }
+
      // 附件删除：本地清理 + 图床异步清理
      if (req.method === 'POST' && route === '/api/attachment_delete') {
        const body = await readJson(req);