send_data
send_data(data, options = {})Sends the given binary data to the browser. This method is similar to render :text => data, but also allows you to specify whether the browser should display the response as a file attachment (i.e. in a download dialog) or as inline data. You may also set the content type, the apparent file name, and other things.
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:filename - suggests a filename for the browser to use.
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:type - specifies an HTTP content type. Defaults to ‘application/octet-stream’. You can specify either a string or a symbol for a registered type register with Mime::Type.register, for example :json
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:disposition - specifies whether the file will be shown inline or downloaded. Valid values are ‘inline’ and ‘attachment’ (default).
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:status - specifies the status code to send with the response. Defaults to ‘200 OK’.
Generic data download:
send_data buffer
Download a dynamically-generated tarball:
send_data generate_tgz('dir'), :filename => 'dir.tgz'
Display an image Active Record in the browser:
send_data image.data, :type => image.content_type, :disposition => 'inline'
See send_file for more information on HTTP Content-* headers and caching.
1Note
Send with filename
The Content-Disposition response header holds the suggested attachment filename (i.e. "attachment; filename=fname.ext")
Set the +:disposition+ option to pass this name.
=== Controller
http = Net::HTTP.new(@page.host)
res = http.post(path, info.to_query, headers)
send_data res, :content_type => res.content_type, :disposition => res["Content-Disposition"], status: res.code
