S3 upload sample

S3-Angular-client.js

function getS3Config() {
    return Restangular.one(URLS.GET_S3_CONFIG).get();
}

//function with s3Config & angular $upload module injected
$upload.upload({
    url: protocol + '://' + s3config.bucket + '/',
    method: method.POST,
    data: {
        'key': funcs[i],
        'acl': 'public-read',
        'Content-Type': blob.type,
        'AWSAccessKeyId': s3config.awsKey,
        'success_action_status': '201',
        'Policy': s3config.policy,
        'Signature': s3config.signature
    },
    file: blob
})

S3-REST-sample.py

import base64
import hmac, hashlib

# define view..
# define methods..
def get(request):
   expiration = datetime.datetime.now() + datetime.timedelta(..)
   policy = {
    'expiration': expiration.strftime('%Y-%m-%dT%H:%M:%SZ'),
      'conditions': [
      ['starts-with', '$key', ""],
      {'bucket': S3_BUCKET},
      {'acl': 'public-read'},
      ['starts-with', '$Content-Type', ""],
      {'success_action_status': '201'}
  ]}
  policy_encoded = base64.b64encode(json.dumps(policy).encode())
  signature = base64.b64encode(
    hmac.new(key=S3_SECRET.encode(), msg=policy_encoded, digestmod=hashlib.sha1).digest())
  return Response({'policy': policy_encoded.decode(), 'signature': signature.decode(), 'bucket': S3_BUCKET, 'awsKey': S3_AWSKEY})