Ruby on Rails - send_file

Question

I am using the send_file method to download a file. It works fine on my local machine. But it's not working on the server - it returns a blank file.

code:

send_file Rails.root.join('public', 'uploads') + (uploaded_file.original_filename + ".filtered")

Please help.

Does the file exist. i.e. If you goto yourdomain/public/uploads/filename.filtered does it work? — Yule
– Yule, Commented May 27, 2011 at 13:07

Aaron Hinni · Accepted Answer · 2011-05-27 13:53:10Z

4

Depending on what web server you are using, you may have to change the sendfile settings in your config/environments/production.rb.

For example, for nginx, you need to uncomment out this line:

config.action_dispatch.x_sendfile_header = 'X-Accel-Redirect'

answered May 27, 2011 at 13:53

Aaron Hinni

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Jits · Accepted Answer · 2011-05-27 13:29:08Z

1

Try:

send_file Rails.public_path.join('uploads', "#{uploaded_file.original_filename}.filtered")

Note also that if you have files within the public directory these can be served directly, so you could redirect to the generated URL for the item (though this may not be very REST-ful).

Edit:

Because of the non-standard '.filtered' file extension, you may need to do something like:

send_file Rails.public_path.join('uploads', "#{uploaded_file.original_filename}.filtered"), :type => 'application/xml', :disposition => 'attachment'

Change the :type value to match the content type of the file being served.

edited May 27, 2011 at 13:29

answered May 27, 2011 at 13:08

Jits

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4 Comments

Jits Over a year ago

As @Yule mentioned above, have you checked that the file exists in that location? Also, does the server process have read access to the directory? (note that the server process may be running under a user like 'www-data')

Sayuj Over a year ago

@jits thank you very much for your support. That one not works. Any other options?

Jits Over a year ago

@Sayuj I've updated the answer with another possible solution.

Jits Over a year ago

@Sayuj I've further edited the answer to use Rails.public_path instead.

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