Java download file basic authentication

 · One common task for Java developers is to write codes that communicate with API endpoints. Chances are these endpoints could use HTTP Basic Authentication for authenticating the HTTP request sender. Although there are good libraries to help us craft and send HTTP requests to a web server in Java, I prefer to use the Java core library so as to keep my Java program lightweight.  · Open connection on the URL object – which would return an HttpURLConnection object if the URL is an HTTP URL. Open the input stream of the opened connection. Create an output stream to save file to disk. Repeatedly read array of bytes from the input stream and write them to the output stream, until the input stream is empty. Download Java Code Example/Project - Spring Boot Security HTTP Basic Authentication with in-memory users File Name: topfind247.co (81, bytes) Description: Sample Spring Boot Security project.

I use the nice Public Domain class Basejava from Robert Harder (Thanks Robert - Code availble here: Base64 - download and put it in your package). and make a download of a file (image, doc, etc.) with authentication and write to local disk. Example. It takes a name and a password and concatenates them with a colon in between. It Base64 encodes the resulting string. It makes a URL connection to a web site and sets the 'Authorization' request property to be 'Basic '. It reads the content from the URL and displays it to standard output. In this article we will build a basic authentication with Spring Security for REST API. Our secure REST API will ask for basic authentication before providing data access to the REST client. 1. Maven Setup. To secure our REST API, we need to include spring security starter in the topfind247.co file.

I use the nice Public Domain class Basejava from Robert Harder (Thanks Robert – Code availble here: Base64 – download and put it in your package). and make a download of a file (image, doc, etc.) with authentication and write to local disk. Example. Downloading a file from URL using basic authentication I had some code in an application which I work on which uses Excel to open topfind247.co file from a URL. The problem is that user’s have moved to Excel (yes we’re a little behind the latest versions) and basic authentication is no longer supported without registry changes (see Office. HTTP GET as the HTTP method, user as the username; and passwd as the password; Java codes for generating a Base64 encoded String payload from a username and password pair. The first step in crafting a HTTP request for a HTTP Basic Authentication endpoint is to generate a Base64 encoded String payload from the username and password.