通过 Amazon SDK for JavaScript 使用预签名 URL 删除对象

以下 Amazon SDK for JavaScript 示例使用预签名 URL 删除对象。

有关使用预签名 URL 的更多信息，请参阅 使用预签名 URL。

          // Import the required AWS SDK clients and commands for Node.js
import {
  CreateBucketCommand,
  DeleteObjectCommand,
  PutObjectCommand,
  DeleteBucketCommand }
from "@aws-sdk/client-s3";
import { s3Client } from "./libs/s3Client.js"; // Helper function that creates an Amazon S3 service client module.
import { getSignedUrl } from "@aws-sdk/s3-request-presigner";
import fetch from "node-fetch";

// Set parameters
// Create a random name for the Amazon Simple Storage Service (Amazon S3) bucket and key
export const bucketParams = {
  Bucket: `test-bucket-${Math.ceil(Math.random() * 10 ** 10)}`,
  Key: `test-object-${Math.ceil(Math.random() * 10 ** 10)}`,
  Body: "BODY"
};
export const run = async () => {
  try {
    // Create an S3 bucket.
    console.log(`Creating bucket ${bucketParams.Bucket}`);
    await s3Client.send(new CreateBucketCommand({ Bucket: bucketParams.Bucket }));
    console.log(`Waiting for "${bucketParams.Bucket}" bucket creation...`);
  } catch (err) {
    console.log("Error creating bucket", err);
  }
  try {
    // Create a command to put the object in the S3 bucket.
    const command = new PutObjectCommand(bucketParams);
    // Create the presigned URL.
    const signedUrl = await getSignedUrl(s3Client, command, {
      expiresIn: 3600,
    });
    console.log(
      `\nPutting "${bucketParams.Key}" using signedUrl with body "${bucketParams.Body}" in v3`
    );
    console.log(signedUrl);
    const response = await fetch(signedUrl, {method: 'PUT', body: bucketParams.Body});
    console.log(
      `\nResponse returned by signed URL: ${await response.text()}\n`
    );
  } catch (err) {
    console.log("Error creating presigned URL", err);
  }
  try {
    // Delete the object.
    console.log(`\nDeleting object "${bucketParams.Key}"} from bucket`);
    await s3Client.send(
      new DeleteObjectCommand({ Bucket: bucketParams.Bucket, Key: bucketParams.Key })
    );
  } catch (err) {
    console.log("Error deleting object", err);
  }
  try {
    // Delete the S3 bucket.
    console.log(`\nDeleting bucket ${bucketParams.Bucket}`);
    await s3Client.send(
      new DeleteBucketCommand({ Bucket: bucketParams.Bucket })
    );
  } catch (err) {
    console.log("Error deleting bucket", err);
  }
};
run();