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Contents
module Rack
# The Rack::Static middleware intercepts requests for static files
# (javascript files, images, stylesheets, etc) based on the url prefixes or
# route mappings passed in the options, and serves them using a Rack::File
# object. This allows a Rack stack to serve both static and dynamic content.
#
# Examples:
#
# Serve all requests beginning with /media from the "media" folder located
# in the current directory (ie media/*):
#
# use Rack::Static, :urls => ["/media"]
#
# Serve all requests beginning with /css or /images from the folder "public"
# in the current directory (ie public/css/* and public/images/*):
#
# use Rack::Static, :urls => ["/css", "/images"], :root => "public"
#
# Serve all requests to / with "index.html" from the folder "public" in the
# current directory (ie public/index.html):
#
# use Rack::Static, :urls => {"/" => 'index.html'}, :root => 'public'
#
# Set a fixed Cache-Control header for all served files:
#
# use Rack::Static, :root => 'public', :cache_control => 'public'
#
class Static
def initialize(app, options={})
@app = app
@urls = options[:urls] || ["/favicon.ico"]
root = options[:root] || Dir.pwd
cache_control = options[:cache_control]
@file_server = Rack::File.new(root, cache_control)
end
def call(env)
path = env["PATH_INFO"]
unless @urls.kind_of? Hash
can_serve = @urls.any? { |url| path.index(url) == 0 }
else
can_serve = @urls.key? path
end
if can_serve
env["PATH_INFO"] = @urls[path] if @urls.kind_of? Hash
@file_server.call(env)
else
@app.call(env)
end
end
end
end
Version data entries
17 entries across 15 versions & 3 rubygems