Sử dụng localstack để giả lập upload file s3

pip install localstack

version: '3.9'
services:
  localstack:
    image: localstack/localstack:latest
    container_name: localstack_s3_demo
    environment:
      SERVICES: s3
    ports:
      - '127.0.0.1:4566:4566'

docker-compose up -d

docker exec -it localstack_s3_demo awslocal s3 mb s3://bucket-demo

import { S3Client, PutObjectCommand } from "@aws-sdk/client-s3";
import fs from "fs";

const S3_AWS_ACCESS_KEY_ID = "dummy";
const S3_AWS_SECRET_KEY = "dummy";
const S3_AWS_BUCKET_NAME = "bucket-demo";
const useLocal = true; // false if not using LocalStack

const client = new S3Client({
  region: "us-east-1",
  endpoint: useLocal ? "http://127.0.0.1:4566" : undefined,
  credentials: {
    accessKeyId: S3_AWS_ACCESS_KEY_ID,
    secretAccessKey: S3_AWS_SECRET_KEY,
  },
});

const params = {
  Bucket: S3_AWS_BUCKET_NAME,
  Key: "example.jpg",
  ContentType: "image/jpeg",
  Body: fs.readFileSync("./example.jpg"),
  s3ForcePathStyle: true,
};

const command = new PutObjectCommand(params);

try {
  const response = await client.send(command);
  console.log(response);
  console.log("File uploaded successfully!");
} catch (error) {
  console.error(error);
}

 > node upload.js
 
{
  '$metadata': {
    httpStatusCode: 200,
    requestId: 'CE5CQBpI8HEwPsSI4pChERwgSYOvFLIjv5xTPbO9Zg1GLEEp80vN',
    extendedRequestId: 'MzRISOwyjmnupAC6A5B7CD242F7B57/JypPGXLh0OVFGcJaaO3KW/hRAqKOpIEEp',
    cfId: undefined,
    attempts: 1,
    totalRetryDelay: 0
  },
  ETag: '"2067c44cf823bd1b9c2cb66ba8f407e2"'
}
File uploaded successfully!
 

// getSignedUrl.js

import { S3Client, GetObjectCommand } from "@aws-sdk/client-s3";
import { getSignedUrl } from "@aws-sdk/s3-request-presigner";

const S3_AWS_ACCESS_KEY_ID = "dummy";
const S3_AWS_SECRET_KEY = "dummy";
const S3_AWS_BUCKET_NAME = "bucket-demo";
const useLocal = true;

const client = new S3Client({
  region: "us-east-1",
  endpoint: useLocal ? "http://127.0.0.1:4566" : undefined,
  credentials: {
    accessKeyId: S3_AWS_ACCESS_KEY_ID,
    secretAccessKey: S3_AWS_SECRET_KEY,
  },
});

const params = {
  Bucket: S3_AWS_BUCKET_NAME,
  Key: "example.jpg",
  Expires: 3600, // The URL will expire in 3600 seconds.
};

const command = new GetObjectCommand(params);

try {
  const url = await getSignedUrl(client, command);
  console.log(url);
} catch (error) {
  console.error(error);
}

> node getSignedUrl.js

http://127.0.0.1:4566/bucket-demo/example.jpg?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Credential=dummy%2F20231008%2Fus-east-1%2Fs3%2Faws4_request&X-Amz-Date=20231008T100241Z&X-Amz-Expires=900&X-Amz-Signature=73d10095729f1d47feee9926aa0c0d31d086c979206f93b475265bee2dc4cd4f&X-Amz-SignedHeaders=host&x-id=GetObject