Sha256: 9d77591e32ec6f2e8a395a54d626fbf974d64ce1f056413fd8eba73a2f5d72d8
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Size: 1.27 KB
Versions: 48
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Contents
require "uri"
require "rack/request"
require "rack/static"
module Rack
module HalBrowser
class Redirect
def initialize(app, options = {})
@app = app
@excluded_paths = Array(options[:exclude]) << "/hal-browser"
@hal_browser = Rack::Static.new(@app, :urls => ["/hal-browser"], :root => ::File.expand_path("../../../../vendor", __FILE__))
end
def call(env)
request = Rack::Request.new(env)
if match?(request)
return [303, {"Location" => hal_browser_url_from_request(request)}, []]
end
@hal_browser.call(env)
end
private
def match?(request)
request.get? && prefers_html?(request) && path_not_excluded?(request)
end
def prefers_html?(request)
# TODO: actually follow real HTTP content negotiation rules
request.env.fetch("HTTP_ACCEPT", "").start_with?("text/html") && request.env.fetch("HTTP_ACCEPT", "").include?("json")
end
def path_not_excluded?(request)
!@excluded_paths.detect{|excluded_path| request.path.start_with?(excluded_path) }
end
def hal_browser_url_from_request(request)
url = URI.parse("/hal-browser/browser.html")
url.fragment = request.path_info
url.to_s
end
end
end
end
Version data entries
48 entries across 48 versions & 1 rubygems