Skip to content

Instantly share code, notes, and snippets.

@maxivak
Created January 1, 2013 23:34
Show Gist options
  • Save maxivak/4430975 to your computer and use it in GitHub Desktop.
Save maxivak/4430975 to your computer and use it in GitHub Desktop.
Rails. Download remote image as attachment in browser
# in controller
# for local files
send_file '/path/to/file', :type => 'image/jpeg', :disposition => 'attachment'
# for remote files
require 'open-uri'
url = 'http://someserver.com/path/../filename.jpg'
data = open(url).read
send_data data, :disposition => 'attachment', :filename=>"photo.jpg"
@ramyasrees
Copy link

hello sir,how to get perticular url from json?
$.each(files, function(key,value){
alert(value.link)});

in my code how can i store the link value in avariable?

@oshanz
Copy link

oshanz commented Nov 6, 2019

if you are going to serve aws s3 files like this, you are gonna loose all the benefits like CDN and high availability features.
because this way you download file to the server. it become a network bottleneck.

@shahroon
Copy link

A lot of load on server's memory. Not recommended.

@sebackend
Copy link

what about the file after downloading? is it still persist on the server?

i think the file should be removed after the controller response

@vishaljangir
Copy link

thank you

@khoan
Copy link

khoan commented Mar 2, 2021

shahroon commented on 13 Nov 2019
A lot of load on server's memory. Not recommended.

maybe, pass an enum with some sensible limit?

send_data data.each(512)...

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment