cloud object storage for QCloud, QiNiu and local

Code example

var config = require('./config');

var express = require('express');
var busboy = require('connect-busboy');
const bodyParser = require('body-parser');
var bytes = require('bytes');

// Init and config here
var store = require('cloud-object-storage');
store.Config.configQCloud(config.cos_access);


var app = express();
app.use(bodyParser.json({limit: '1mb'}));
app.use(bodyParser.urlencoded({ extended: true, limit: '1mb' }));
app.use(busboy({
  limits: {
    fileSize: bytes(config.file_limit)
  }
}));

app.post('/upload', function (req, res) {
  var isFileLimit = false;
  req.busboy.on('file', function (fieldname, file, filename, encoding, mimetype) {
    file.on('limit', function () {
      isFileLimit = true;

      res.json({
        success: false,
        msg: 'File size too large. Max is ' + config.file_limit
      })
    });
    
    // upload file to QCloud service
    store.QCloud.upload(file, {filename: filename}, function (err, result) {
      if (err) {
        return res.json({
          success: false,
          message: err.message
        });
      }

      if (isFileLimit) {
        return;
      }

      res.json({
        success: true,
        url: result.url,
      });
    });

  });

  req.pipe(req.busboy);
});

var server = app.listen(7003, function () {
  var host = server.address().address;
  var port = server.address().port;
  console.log("File app listening at http://%s:%s", host, port)
});

config file with data structure

/**
 * config
 */

var path = require('path');

var config = {
  qn_access: {
    accessKey: 'JPlCnNEXts1bh***Elj8FK99vQoV0L',
    secretKey: 'cd3tZQYvo8MI***Lj7x3QdYJGXtNED',
    bucket: 'techt',
    origin: 'http://opzmk10r6.bkt.clouddn.com',
    uploadURL: 'https://up-z2.qbox.me',
  },

  cos_access: {
    cosAppId: '1252484566',
    cosRegion: 'cn-south',
    cosSecretId: 'AKID8HG5jLSG***b1Wr3860nPq7ECjf9W',
    cosSecretKey: 'NbeWHsIdqsn***Kfr24xiOzQhu',
    cosFileBucket: 'little7',
    cosUploadFolder: '/'
  },

  upload: {
    path: path.join(__dirname, 'public/upload/'),
    url: '/public/upload/'
  },

  file_limit: '1MB',

};

module.exports = config;