CODEWITHSUNDEEP
javascriptnode.jshttp
Dagm Fekadu
Dagm Fekadu

Reputation: 610

setting file name for download response in node.js

How can i set a file name for my downloaded binary in the following node response for get request,For now it downloads the file and set its name the to the req.url string 

.get(function (req, res) {
  var filename = path.join(process.cwd(), '');
  path.exists(filename, function (exists) {
    if (!exists) {
      res.writeHead(404, {
        "Content-Type": "text/plain"
      });
      res.write("File Not found: 404 Not Found\n");
      res.end();
      return;
    }

    if (fs.statSync(filename).isDirectory()) {
      filename += '/' + category + '/' + 'undo.png';
    }

    fs.readFile(filename, "binary", function (err, file) {
      if (err) {
        res.writeHead(500, {
          "Content-Type": "binary"
        });
        res.write(err + "\n");
        res.end();
        return;
      }

      res.writeHead(200);
      res.write(file, "binary");
      res.end();
    });
  });
});

Upvotes: 6

Views: 11661

Answers (1)

user405398
user405398

Reputation: 

.get(function (req, res) {
  var filename = path.join(process.cwd(), '');
  path.exists(filename, function (exists) {
    if (!exists) {
      res.writeHead(404, {
        "Content-Type": "text/plain"
      });
      res.write("File Not found: 404 Not Found\n");
      res.end();
      return;
    }

    if (fs.statSync(filename).isDirectory()) {
      filename += '/' + category + '/' + 'undo.png';
    }

    fs.readFile(filename, "binary", function (err, file) {
      if (err) {
        res.writeHead(500, {
          "Content-Type": "binary"
        });
        res.write(err + "\n");
        res.end();
        return;
      }

      res.writeHead(200, {
        "Content-Disposition": "attachment;filename=" + yourFilename,
        'Content-Type': 'image/png',
        'Content-Length': file.length
      });
      res.write(file);
      res.end();
    });
  });
});

Upvotes: 10

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