get 與 put 的 S3 操作示範

getAndPutDataToS3.js

const aws = require("aws-sdk");

const s3 = new aws.S3();
const bucketName = "test-firebase-dynamic-links";
const s3FileName = "links_map.json";

function getDataFromS3() {
  const params = {
    Bucket: bucketName,
    Key: s3FileName,
  };

  return s3
    .getObject(params)
    .promise()
    .then((resp) => resp.Body.toString("utf-8"))
    .then((stringData) => JSON.parse(stringData));
}

function putDataToS3(data) {
  const params = {
    Bucket: bucketName,
    Key: s3FileName,
    Body: JSON.stringify(data),
    ContentType: "application/json",
  };

  return s3.putObject(params).promise();
}