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module MIME
#
# Handles MIME content type detection using file name extension.
#
# === See Also
#
# * http://w3schools.com/media/media_mimeref.asp for more content types
# * rubygem MIME::Types for extensive content type lookup
#
module ContentTypes
#
# Content types are in the form of <em>media-type/sub-type</em>. 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 http://nginx.net.
#
CONTENT_TYPES = {
'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)
}
#
# Return the MIME content type of the +file+ path or object.
#
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
end
end
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