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Versions: 13
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Contents
# frozen_string_literal: true
require 'net/http'
require 'time'
module RuboCop
# Common methods and behaviors for dealing with remote config files.
class RemoteConfig
CACHE_LIFETIME = 24 * 60 * 60
def initialize(url, base_dir)
@uri = URI.parse(url)
@base_dir = base_dir
end
def file
return cache_path unless cache_path_expired?
request do |response|
open cache_path, 'w' do |io|
io.write response.body
end
end
cache_path
end
private
def request
http = Net::HTTP.new(@uri.hostname, @uri.port)
http.use_ssl = true if @uri.instance_of? URI::HTTPS
request = Net::HTTP::Get.new(@uri.request_uri)
if cache_path_exists?
request['If-Modified-Since'] = File.stat(cache_path).mtime.rfc2822
end
response = http.request(request)
yield response if response.is_a?(Net::HTTPSuccess)
end
def cache_path
File.expand_path(".rubocop-#{cache_name_from_uri}", @base_dir)
end
def cache_path_exists?
@cache_path_exists ||= File.exist?(cache_path)
end
def cache_path_expired?
return true unless cache_path_exists?
@cache_path_expired ||= begin
file_age = (Time.now - File.stat(cache_path).mtime).to_f
(file_age / CACHE_LIFETIME) > 1
end
end
def cache_name_from_uri
uri = @uri.clone
uri.query = nil
uri.to_s.gsub!(/[^0-9A-Za-z]/, '-')
end
end
end
Version data entries
13 entries across 13 versions & 2 rubygems