Nodejs download file and save to server

It is pretty straight forward and the logic would be that the promise will resolve itself once the finish callback is fired and we are rejecting when it fires an error callback. What is GZIP? So if you are not enabling GZIP in the request options then the actual response from the server that you will get is compressed gibberish that will result in a corrupt file.

Also make sure the headers that you are setting are correct and they are in sync with what a normal request to that file would look like. MOV' ; You may also want to send a mime-type such as this: res. Andre Christoga Pramaditya 51 1 1 silver badge 9 9 bronze badges. Is there a way to get this information from the fs. I'm using a static file in this example but I'll use this download api for any files, passing the name of it. Setting output filename works with res. If you have a question, create a new one, don't leave a comment.

Express 4. Show 17 more comments. Use res. Jossef Harush Jossef Harush What if the data was coming in from a HTTP request instead of a file and we had to let users download the file in a streaming way? For static files like pdfs, Word docs, etc. That works well for assets although a dedicated serving proxy like nginx is recommended. But for anything that requires secured access, the accepted method is better. Generally speaking for docs and files containing information, I wouldn't recommend using the public method.

Of course, that means you'll need to be able to figure out a user's access level just based on the url of the secure document, or whatever. Vedran Vedran 1, 1 1 gold badge 15 15 silver badges 34 34 bronze badges. Node FS - Append to a File. Node FS - Rename a File.

Node FS - Delete a File. Useful Resources. How to Learn Programming. Frequently asked Node. The Axios initialization to request a file is equal to a request that expects another response payload format, like JSON.

To download a file, explicitly define responseType: 'stream' as a request option. This tells Axios to provide the response. From there, pipe the read-stream into a Node. This will pass the incoming bytes from your read-stream to the write-stream and ultimately flush every piece of the image to a local file. This function defines a static URL and path to the local image file.