lib/action_dispatch/http/mime_types.rb
# Build list of Mime types for HTTP responses
# http://www.iana.org/assignments/media-types/
Mime::Type.register "text/html", :html, %w( application/xhtml+xml ), %w( xhtml )
Mime::Type.register "text/plain", :text, [], %w(txt)
Mime::Type.register "text/javascript", :js, %w( application/javascript application/x-javascript )
Mime::Type.register "text/css", :css
Mime::Type.register "text/calendar", :ics
Mime::Type.register "text/csv", :csv
Mime::Type.register "text/vcard", :vcf
Mime::Type.register "image/png", :png, [], %w(png)
Mime::Type.register "image/jpeg", :jpeg, [], %w(jpg jpeg jpe pjpeg)
Mime::Type.register "image/gif", :gif, [], %w(gif)
Mime::Type.register "image/bmp", :bmp, [], %w(bmp)
Mime::Type.register "image/tiff", :tiff, [], %w(tif tiff)
Mime::Type.register "image/svg+xml", :svg
Mime::Type.register "video/mpeg", :mpeg, [], %w(mpg mpeg mpe)
Mime::Type.register "application/xml", :xml, %w( text/xml application/x-xml )
Mime::Type.register "application/rss+xml", :rss
Mime::Type.register "application/atom+xml", :atom
Mime::Type.register "application/x-yaml", :yaml, %w( text/yaml ), %w(yml yaml)
Mime::Type.register "multipart/form-data", :multipart_form
Mime::Type.register "application/x-www-form-urlencoded", :url_encoded_form
# http://www.ietf.org/rfc/rfc4627.txt
# http://www.json.org/JSONRequest.html
Mime::Type.register "application/json", :json, %w( text/x-json application/jsonrequest )
Mime::Type.register "application/pdf", :pdf, [], %w(pdf)
Mime::Type.register "application/zip", :zip, [], %w(zip)
Mime::Type.register "application/gzip", :gzip, %w(application/x-gzip), %w(gz)