Here's a screenshot of Postman after the request is sent and the user has been authenticated: Click the "Send" button, you should receive a "200 OK" response containing the user details in the response body, this indicates that the username and password are correct.Enter a JSON object containing the test username and password in the "Body" textarea:.Select the "Body" tab below the URL field, change the body type radio button to "raw", and change the format dropdown selector to "JSON (application/json)".In the URL field enter the address to the authenticate route of your local API.Change the http request method to "POST" with the dropdown selector on the left of the URL input field.Open a new request tab by clicking the plus (+) button at the end of the tabs.To authenticate a user with the basic authentication api and follow these steps: īelow are instructions on how to use Postman to authenticate a user with the api, and then make an authenticated request with basic authentication credentials to retrieve a list of users from the api. Postman is a great tool for testing APIs, you can download it at. Test the Node.js Basic Authentication API with Postman Follow the instructions below to test with Postman or hook up with one of the example single page applications available (React, Angular, Vue or Blazor). Start the api by running npm start (or npm run start:dev to start with nodemon) from the command line in the project root folder, you should see the message Server listening on port 4000.Install all required npm packages by running npm install from the command line in the project root folder (where the package.json is located).Download or clone the tutorial project code from.Run the Node Basic Authentication API Locally Node.js basic authentication API project structure.Run the Node.js Basic Authentication API Locally.- Added instructions on testing with postman and running with a blazor app.The tutorial project is available on GitHub at. If there are no basic auth credentials or the credentials are invalid then a 401 Unauthorized response is returned. /users - secure route that accepts HTTP GET requests and returns a list of all the users in the application if the HTTP Authorization header contains valid basic authentication credentials.If the username and password are correct then the user details are returned. /users/authenticate - public route that accepts HTTP POST requests containing the username and password in the body.The example API has just two endpoints/routes to demonstrate authenticating and accessing a restricted route with basic authentication: In this tutorial we'll go through a simple example of how to implement Basic HTTP Authentication in a Node.js API with JavaScript. Creates a zero-filled Buffer of length 10. Recommended to explicitly reference it via an import or require statement. While the Buffer class is available within the global scope, it is still Plain Uint8Arrays wherever Buffers are supported as well. The Buffer class is a subclass of JavaScript's Uint8Array class andĮxtends it with methods that cover additional use cases. What makes Buffer.allocUnsafe() and Buffer.allocUnsafeSlow() "unsafe"?īuffer objects are used to represent a fixed-length sequence of bytes.The -zero-fill-buffers command-line option.om(), Buffer.alloc(), and Buffer.allocUnsafe().buf.writeUIntLE(value, offset, byteLength).buf.writeUIntBE(value, offset, byteLength).buf.writeIntLE(value, offset, byteLength).buf.writeIntBE(value, offset, byteLength).Static method: Buffer.isEncoding(encoding).Static method: Buffer.allocUnsafeSlow(size).Static method: Buffer.allocUnsafe(size).
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