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@aws-sdk/middleware-host-header

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Package description

What is @aws-sdk/middleware-host-header?

The @aws-sdk/middleware-host-header npm package is part of the AWS SDK for JavaScript (v3). It is a middleware that is used for setting the host header in the request. This is particularly useful when making HTTP requests to AWS services, ensuring that the host header matches the service endpoint. This can be critical for the proper routing and handling of requests within AWS's infrastructure.

What are @aws-sdk/middleware-host-header's main functionalities?

Setting Host Header

This code demonstrates how to add the hostHeaderMiddleware to an AWS SDK client instance. In this example, an S3 client is created, and the middleware is added to automatically set the host header when sending a PutObjectCommand. This ensures that the request is properly routed to the intended AWS service endpoint.

"use strict";
const { S3Client, PutObjectCommand } = require('@aws-sdk/client-s3');
const { hostHeaderMiddleware } = require('@aws-sdk/middleware-host-header');

const client = new S3Client({});
client.middlewareStack.add(hostHeaderMiddleware(), {
  step: 'build',
  name: 'hostHeaderMiddleware',
  tags: { SET_HOST_HEADER: true },
  priority: 'high',
});

const command = new PutObjectCommand({
  Bucket: 'example-bucket',
  Key: 'example-object',
  Body: 'Hello, world!'
});

client.send(command).then((response) => {
  console.log('Success', response);
}).catch((error) => {
  console.error('Error', error);
});

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Changelog

Source

3.496.0 (2024-01-19)

Bug Fixes

  • get full list of exports for esm compat in dist-cjs (#5694) (5d26da6)
  • revert "feat(credential-provider-node): use dynamic import for credential providers (#5677)" (4cea583)

Features

  • client-athena: Introducing new NotebookS3LocationUri parameter to Athena ImportNotebook API. Payload is no longer required and either Payload or NotebookS3LocationUri needs to be provided (not both) for a successful ImportNotebook API call. If both are provided, an InvalidRequestException will be thrown. (a8ed592)
  • client-codebuild: Release CodeBuild Reserved Capacity feature (c0c445d)
  • client-dynamodb: This release adds support for including ApproximateCreationDateTimePrecision configurations in EnableKinesisStreamingDestination API, adds the same as an optional field in the response of DescribeKinesisStreamingDestination, and adds support for a new UpdateKinesisStreamingDestination API. (2be6625)
  • client-qconnect: Increased Quick Response name max length to 100 (b02d4af)
  • clients: update client endpoints as of 2024-01-19 (cb1bc4e)
  • credential-provider-node: use dynamic import for credential providers (#5677) (7841411)

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@aws-sdk/middleware-host-header

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Last updated on 19 Jan 2024

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