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path: root/app/node_modules/okservices/oks3/index.js
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var upload = require("./upload")
var multer = require('multer')

// Hack to prevent this god-forsaken module from crashing our shit
var d = require('domain').create()
d.on('error', function (err) {
  console.log(err)
  console.error('Stupid error in S3 upload. Upload probably prematurely canceled')
})

function OKS3(options) {
  if (!(this instanceof OKS3)) return new OKS3(options);
  options = options || {};
  if (!options.express)
    throw new Error('Express not provided to OKS3');
  if (!options.s3)
    throw new Error('S3 configuration not provided to OKS3');
  
  if (!options.s3.image) options.s3.image = {}
  if (!options.s3.audio) options.s3.audio = {}
  if (!options.s3.video) options.s3.video = {}

  // Make sure maxbytes property is there - it can be a number,
  // or zero/undefined (for no maximum upload size)
  if (options.s3.maxbytes) {
    if (! ('maxbytes' in options.s3.image))
      options.s3.image.maxbytes = options.s3.maxbytes
    if (! ('maxbytes' in options.s3.video))
      options.s3.video.maxbytes = options.s3.maxbytes
    if (! ('maxbytes' in options.s3.audio))
      options.s3.audio.maxbytes = options.s3.maxbytes
  }
  if (typeof options.s3.image.allowed !== "boolean")
    options.s3.image.allowed = true
  if (typeof options.s3.video.allowed !== "boolean")
    options.s3.video.allowed = false
  if (typeof options.s3.audio.allowed !== "boolean")
    options.s3.audio.allowed = false

  upload.init({
    key: options.s3.key,
    secret: options.s3.secret,
    bucket: options.s3.bucket,
  })

  var express = options.express;

  var router = express.Router();

  var mult = multer()

  router.post('/image', mult.single('image'), function(req, res) {
    d.run(function () {

      if (! options.s3.image.allowed) {
        return res.status(500).json({ error: "Image uploading not permitted" })
      }

      upload.put({
        file: req.file,
        preserveFilename: options.s3.image.preserveFilename,
        dirname: options.s3.dirname,
        types: {
          'image/gif': 'gif',
          'image/jpeg': 'jpg',
          'image/jpg': 'jpg',
          'image/png': 'png',
        },
        unacceptable: function(err){
          res.json({ error: err })
        },
        success: function(url){
          res.json({ url: url })
        }
      })

   });
  });

  router.post('/audio', mult.single('audio'), function(req, res) {
    d.run(function () {

      if (! options.s3.image.allowed) {
        return res.status(500).json({ error: "Audio uploading not permitted" })
      }

      upload.put({
        file: req.file,
        preserveFilename: options.s3.audio.preserveFilename,
        dirname: options.s3.dirname,
        types: {
          'audio/mp3': 'mp3',
          'audio/mpeg': 'mp3',
          'audio/wav': 'wav',
          'audio/flac': 'flac',
        },
        unacceptable: function(err){
          res.json({ error: err })
        },
        success: function(url){
          res.json({ url: url })
        }
      })

    });
  });

  router.post('/video', mult.single('video'), function(req, res) {
    d.run(function () {

      if (! options.s3.image.allowed) {
        return res.status(500).json({ error: "Video uploading not permitted" })
      }

      upload.put({
        file: req.file,
        preserveFilename: options.s3.video.preserveFilename,
        dirname: options.s3.dirname,
        types: {
          'video/mp4': 'mp4',
          'video/webm': 'webm',
        },
        unacceptable: function(err){
          res.json({ error: err })
        },
        success: function(url){
          res.json({ url: url })
        }
      })

    });
  });
  
  function preserveFilename (stream, cb){
    cb(null, stream.filename)
  }

  this._middleware = router;
}

OKS3.prototype.middleware = function() {
  return this._middleware;
};

module.exports = OKS3