require 'time'
module Rack
# Rack::File serves files below the +root+ given, according to the
# path info of the Rack request.
#
# Handlers can detect if bodies are a Rack::File, and use mechanisms
# like sendfile on the +path+.
class File
attr_accessor :root
attr_accessor :path
def initialize(root)
@root = root
end
def call(env)
dup._call(env)
end
F = ::File
def _call(env)
if env["PATH_INFO"].include? ".."
return [403, {"Content-Type" => "text/plain"}, ["Forbidden\n"]]
end
@path = F.join(@root, Utils.unescape(env["PATH_INFO"]))
ext = F.extname(@path)[1..-1]
if F.file?(@path) && F.readable?(@path)
[200, {
"Last-Modified" => F.mtime(@path).rfc822,
"Content-Type" => MIME_TYPES[ext] || "text/plain",
"Content-Length" => F.size(@path).to_s
}, self]
else
return [404, {"Content-Type" => "text/plain"},
["File not found: #{env["PATH_INFO"]}\n"]]
end
end
def each
F.open(@path, "rb") { |file|
while part = file.read(8192)
yield part
end
}
end
# :stopdoc:
# From WEBrick.
MIME_TYPES = {
"ai" => "application/postscript",
"asc" => "text/plain",
"avi" => "video/x-msvideo",
"bin" => "application/octet-stream",
"bmp" => "image/bmp",
"class" => "application/octet-stream",
"cer" => "application/pkix-cert",
"crl" => "application/pkix-crl",
"crt" => "application/x-x509-ca-cert",
#"crl" => "application/x-pkcs7-crl",
"css" => "text/css",
"dms" => "application/octet-stream",
"doc" => "application/msword",
"dvi" => "application/x-dvi",
"eps" => "application/postscript",
"etx" => "text/x-setext",
"exe" => "application/octet-stream",
"gif" => "image/gif",
"htm" => "text/html",
"html" => "text/html",
"jpe" => "image/jpeg",
"jpeg" => "image/jpeg",
"jpg" => "image/jpeg",
"js" => "text/javascript",
"lha" => "application/octet-stream",
"lzh" => "application/octet-stream",
"mov" => "video/quicktime",
"mpe" => "video/mpeg",
"mpeg" => "video/mpeg",
"mpg" => "video/mpeg",
"pbm" => "image/x-portable-bitmap",
"pdf" => "application/pdf",
"pgm" => "image/x-portable-graymap",
"png" => "image/png",
"pnm" => "image/x-portable-anymap",
"ppm" => "image/x-portable-pixmap",
"ppt" => "application/vnd.ms-powerpoint",
"ps" => "application/postscript",
"qt" => "video/quicktime",
"ras" => "image/x-cmu-raster",
"rb" => "text/plain",
"rd" => "text/plain",
"rtf" => "application/rtf",
"sgm" => "text/sgml",
"sgml" => "text/sgml",
"tif" => "image/tiff",
"tiff" => "image/tiff",
"txt" => "text/plain",
"xbm" => "image/x-xbitmap",
"xls" => "application/vnd.ms-excel",
"xml" => "text/xml",
"xpm" => "image/x-xpixmap",
"xwd" => "image/x-xwindowdump",
"zip" => "application/zip",
}
# :startdoc:
end
end
