Module: MIME::ContentTypes

Included in:

DiscreteMediaFactory

Defined in:

lib/mime/content_types.rb

Overview

Handles MIME content type detection using file name extension.

See Also

• w3schools.com/media/media_mimeref.asp for more content types

• rubygem MIME::Types for extensive content type lookup

Constant Summary

CONTENT_TYPES =

Content types are in the form of media-type/sub-type. Each content type has one or more file extentions associated with it.

The content types below are listed in alphabetical order and the extention arrays are in order of preference.

The following content types were stolen from the NGiNX webserver. NGiNX is great server, check it out at nginx.net.

{
  'application/atom+xml'            => %w(atom),
  'application/java-archive'        => %w(jar war ear),
  'application/mac-binhex40'        => %w(hqx),
  'application/msword'              => %w(doc),
  'application/octet-stream'        => %w(bin exe dll deb dmg eot iso img msi msp msm),
  'application/pdf'                 => %w(pdf),
  'application/postscript'          => %w(ps eps ai),
  'application/rtf'                 => %w(rtf),
  'application/vnd.ms-excel'        => %w(xls),
  'application/vnd.ms-powerpoint'   => %w(ppt),
  'application/vnd.wap.wmlc'        => %w(wmlc),
  'application/vnd.wap.xhtml+xml'   => %w(xhtml),
  'application/x-cocoa'             => %w(cco),
  'application/x-java-archive-diff' => %w(jardiff),
  'application/x-java-jnlp-file'    => %w(jnlp),
  'application/x-javascript'        => %w(js),
  'application/x-makeself'          => %w(run),
  'application/x-perl'              => %w(pl pm),
  'application/x-pilot'             => %w(prc pdb),
  'application/x-rar-compressed'    => %w(rar),
  'application/x-redhat-package-manager' => %w(rpm),
  'application/x-sea'               => %w(sea),
  'application/x-shockwave-flash'   => %w(swf),
  'application/x-stuffit'           => %w(sit),
  'application/x-tcl'               => %w(tcl tk),
  'application/x-x509-ca-cert'      => %w(crt pem der),
  'application/x-xpinstall'         => %w(xpi),
  'application/zip'                 => %w(zip),

  'audio/midi'                      => %w(mid midi kar),
  'audio/mpeg'                      => %w(mp3),
  'audio/x-realaudio'               => %w(ra),

  'image/gif'                       => %w(gif),
  'image/jpeg'                      => %w(jpg jpeg),
  'image/png'                       => %w(png),
  'image/tiff'                      => %w(tif tiff),
  'image/vnd.wap.wbmp'              => %w(wbmp),
  'image/x-icon'                    => %w(ico),
  'image/x-jng'                     => %w(jng),
  'image/x-ms-bmp'                  => %w(bmp),
  'image/svg+xml'                   => %w(svg),

  'text/css'                        => %w(css),
  'text/html'                       => %w(html htm shtml),
  'text/mathml'                     => %w(mml),
  'text/plain'                      => %w(txt),
  'text/x-component'                => %w(htc),
  'text/xml'                        => %w(xml rss),

  'video/3gpp'                      => %w(3gpp 3gp),
  'video/mpeg'                      => %w(mpeg mpg),
  'video/quicktime'                 => %w(mov),
  'video/x-flv'                     => %w(flv),
  'video/x-mng'                     => %w(mng),
  'video/x-ms-asf'                  => %w(asx asf),
  'video/x-ms-wmv'                  => %w(wmv),
  'video/x-msvideo'                 => %w(avi)
}

Instance Method Summary

• #file_type(file) ⇒ Object

  Return the MIME content type of the file path or object.

Instance Method Details

#file_type(file) ⇒ Object

Return the MIME content type of the file path or object.

# File 'lib/mime/content_types.rb', line 87

def file_type file
  filename = file.respond_to?(:path) ? file.path : file
  extension = File.extname(filename)[1..-1] # remove leading period
  type, _ = CONTENT_TYPES.find do |content_type, extentions|
    extentions.include? extension
  end
  type
end