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Versions: 135
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Contents
require 'rack/utils'
module Rack::Cache
class Key
include Rack::Utils
# Implement .call, since it seems like the "Rack-y" thing to do. Plus, it
# opens the door for cache key generators to just be blocks.
def self.call(request)
new(request).generate
end
def initialize(request)
@request = request
end
# Generate a normalized cache key for the request.
def generate
parts = []
parts << @request.scheme << "://"
parts << @request.host
if @request.scheme == "https" && @request.port != 443 ||
@request.scheme == "http" && @request.port != 80
parts << ":" << @request.port.to_s
end
parts << @request.script_name
parts << @request.path_info
if qs = query_string
parts << "?"
parts << qs
end
parts.join
end
private
# Build a normalized query string by alphabetizing all keys/values
# and applying consistent escaping.
def query_string
return nil if @request.query_string.nil?
@request.query_string.split(/[&;] */n).
map { |p| unescape(p).split('=', 2) }.
sort.
map { |k,v| "#{escape(k)}=#{escape(v)}" }.
join('&')
end
end
end
Version data entries
135 entries across 111 versions & 23 rubygems