Sha256: e4c662a0833df4a627a2ab9c0d7117bfa57df6a86ee239cc273ffa0ac8ca7c58
Contents?: true
Size: 1.25 KB
Versions: 59
Compression:
Stored size: 1.25 KB
Contents
require 'uri'
require 'rack/request'
require 'rack/static'
module Rack
module HalBrowser
class Redirect
def initialize(app, options = {}, &block)
@app = app
@excluded_paths = Array(options[:exclude]) << '/hal-browser'
end
def call(env)
request = Rack::Request.new(env)
if match?(request)
return [303, {'Location' => hal_browser_url_from_request(request)}, []]
end
Rack::Static.new(@app, :urls => ['/hal-browser'], :root => ::File.expand_path('../../../../vendor', __FILE__)).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
59 entries across 59 versions & 1 rubygems