Amazon Web Services S3 スニペット

exports = function(base64EncodedImage, bucket, fileName, fileType) {
  // Convert the base64 encoded image string to a BSON Binary object
  const binaryImageData = BSON.Binary.fromBase64(base64EncodedImage, 0);
  // Instantiate an S3 service client
  const s3Service = context.services.get('myS3Service').s3('us-east-1');
  // Put the object to S3
  return s3Service.PutObject({
    'Bucket': bucket,
    'Key': fileName,
    'ContentType': fileType,
    'Body': binaryImageData
  })
  .then(putObjectOutput => {
    console.log(putObjectOutput);
    // putObjectOutput: {
    //   ETag: <string>, // The object's S3 entity tag
    // }
    return putObjectOutput
  })
  .catch(console.error);
};

exports = function(bucket, fileName) {
  // Instantiate an S3 service client
  const s3Service = context.services.get('myS3Service').s3('us-east-1');
  // Get the object from S3
  return s3Service.GetObject({
    'Bucket': bucket,
    'Key': fileName,
  })
  .then(getObjectOutput => {
    console.log(getObjectOutput);
    // {
    //   ETag: <string>, // The object's S3 entity tag
    //   Body: <binary>, // The object data
    //   ContentType: <string>, // The object's MIME type
    // }
    const base64EncodedImage = getObjectOutput.Body
    return base64EncodedImage
  })
  .catch(console.error);
};