reconsidering datasets component... stub in api client

1 files changed, 80 insertions, 0 deletions

diff --git a/app/server/util/upload.js b/app/server/util/upload.js
new file mode 100644
index 0000000..9e15748
--- /dev/null
+++ b/app/server/util/upload.js
@@ -0,0 +1,80 @@
+
+var knox = require('knox')
+var uuid = require('uuid/v1')
+
+var s3 = knox.createClient({
+  key: process.env.S3_KEY,
+  secret: process.env.S3_SECRET,
+  bucket: process.env.S3_BUCKET,
+})
+
+var acceptableuploadTypes = {
+  'image/gif': 'gif',
+  'image/jpeg': 'jpg',
+  'image/jpg': 'jpg',
+  'image/png': 'png',
+}
+
+module.exports = {}
+
+module.exports.client = function(){
+  return s3
+}
+
+module.exports.put = function (opt) {
+  var filename
+  var err
+  var now = new Date()
+
+  var file = opt.file
+
+  var types = opt.types
+  var extension = types && types[file.mimetype]
+
+  if (opt.filename) {
+    filename = opt.filename
+  } else if (opt.preserveFilename) {
+    filename = file.originalname
+  } else {
+    filename = uuid() + "." + extension;
+  }
+
+  var remote_path = opt.dirname + filename
+
+  if (types && ! extension) {
+    err = "Unacceptable filetype."
+  }
+  else if (opt.maxSize && file.size > opt.maxSize) {
+    err = "File too large. Uploads can be a maximum of " + opt.maxSize + " bytes."
+  }
+
+  if (err) {
+    console.error(">>>", err)
+    opt.unacceptable && opt.unacceptable(err)
+    return
+  }
+
+  opt.acceptable && opt.acceptable(err)
+
+  console.log("upload >", remote_path)
+  s3.putBuffer(file.buffer, remote_path, {
+    'Content-Length': file.size,
+    'Content-Type': file.mimetype,
+    'x-amz-acl': 'public-read'
+  }, function(err, s3res) {
+    if (err || s3res.statusCode !== 200) {
+      console.error(err);
+      if (s3res && s3res.resume) {
+        s3res.resume()
+      }
+      return;
+    }
+
+    var file_url = s3res.url || s3res.req.url
+
+    opt.success && opt.success(file_url)
+  }).on('error', function(err, s3res){
+    console.error(err)
+    s3res && s3res.resume && s3res.resume()
+  })
+}