Oliver Eyton-Williamsfix: remove reference to dom_eventsfb7db1e5 years agoHistory
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# frozen_string_literal: true require 'bundler/setup'Bundler.require :app class App < Sinatra::Application  Bundler.require environment  require 'sinatra/cookies'  require 'tilt/erubi'  require 'active_support/notifications'   Rack::Mime::MIME_TYPES['.webapp'] = 'application/x-web-app-manifest+json'   configure do    use Rack::SslEnforcer, only_environments: ['production', 'test'], hsts: true, force_secure_cookies: false     set :sentry_dsn, ENV['SENTRY_DSN']    set :protection, except: [:frame_options, :xss_header]     set :root, Pathname.new(File.expand_path('../..', __FILE__))    set :sprockets, Sprockets::Environment.new(root)     set :assets_prefix, 'assets'    set :assets_path, File.join(public_folder, assets_prefix)    set :assets_manifest_path, File.join(assets_path, 'manifest.json')    set :assets_compile, %w(*.png docs.js docs.json application.js application.css application-dark.css)     require 'yajl/json_gem'    set :docs_prefix, 'docs'    set :docs_origin, File.join('', docs_prefix)    set :docs_path, File.join(public_folder, docs_prefix)    set :docs_manifest_path, File.join(docs_path, 'docs.json')    set :default_docs, %w(css dom html http javascript)    set :news_path, File.join(root, assets_prefix, 'javascripts', 'news.json')     set :csp, false     require 'docs'    Docs.generate_manifest     Dir[docs_path, root.join(assets_prefix, '*/')].each do |path|      sprockets.append_path(path)    end     Sprockets::Helpers.configure do |config|      config.environment = sprockets      config.prefix = "/#{assets_prefix}"      config.public_path = public_folder      config.protocol = :relative    end  end   configure :test, :development do    require 'thor'    load 'tasks/sprites.thor'     SpritesCLI.new.invoke(:generate, [], :disable_optimization => true)     require 'active_support/per_thread_registry'    require 'active_support/cache'    sprockets.cache = ActiveSupport::Cache.lookup_store :file_store, root.join('tmp', 'cache', 'assets', environment.to_s)  end   configure :development do    register Sinatra::Reloader     use BetterErrors::Middleware    BetterErrors.application_root = File.expand_path('..', __FILE__)    BetterErrors.editor = :sublime     set :csp, "default-src 'self' *; script-src 'self' 'nonce-devdocs' *; font-src 'none'; style-src 'self' 'unsafe-inline' *; img-src 'self' * data:;"  end   configure :production do    set :static, false    set :docs_origin, '//documents.devdocs.io'    set :csp, "default-src 'self' *; script-src 'self' 'nonce-devdocs' https://www.google-analytics.com https://secure.gaug.es https://*.jquery.com; font-src 'none'; style-src 'self' 'unsafe-inline' *; img-src 'self' * data:;"     use Rack::ConditionalGet    use Rack::ETag    use Rack::Deflater    use Rack::Static,      root: 'public',      urls: %w(/assets /docs/ /images /favicon.ico /robots.txt /opensearch.xml /mathml.css /manifest.json),      header_rules: [        [:all,              { 'Cache-Control' => 'no-cache, max-age=0'    }],        ['/assets',         { 'Cache-Control' => 'public, max-age=604800' }],        ['/docs',           { 'Cache-Control' => 'public, max-age=86400'  }],        ['/images',         { 'Cache-Control' => 'public, max-age=86400'  }],        ['/favicon.ico',    { 'Cache-Control' => 'public, max-age=86400'  }],        ['/robots.txt',     { 'Cache-Control' => 'public, max-age=86400'  }],        ['/opensearch.xml', { 'Cache-Control' => 'public, max-age=86400'  }],        ['/mathml.css',     { 'Cache-Control' => 'public, max-age=86400'  }],        ['/manifest.json',  { 'Cache-Control' => 'public, max-age=86400'  }]      ]     sprockets.js_compressor = Uglifier.new output: { beautify: true, indent_level: 0 }    sprockets.css_compressor = :sass     Sprockets::Helpers.configure do |config|      config.digest = true      config.manifest = Sprockets::Manifest.new(sprockets, assets_manifest_path)    end  end   configure :test do    set :docs_manifest_path, File.join(root, 'test', 'files', 'docs.json')  end   def self.parse_docs    Hash[JSON.parse(File.read(docs_manifest_path)).map! { |doc|      doc['full_name'] = doc['name'].dup      doc['full_name'] << " #{doc['version']}" if doc['version'] && !doc['version'].empty?      doc['slug_without_version'] = doc['slug'].split('~').first      [doc['slug'], doc]    }]  end   def self.parse_news    JSON.parse(File.read(news_path))  end   configure :development, :test do    set :docs, -> { parse_docs }    set :news, -> { parse_news }  end   configure :production do    set :docs, parse_docs    set :news, parse_news  end   helpers do    include Sinatra::Cookies    include Sprockets::Helpers     def memoized_cookies      @memoized_cookies ||= cookies.to_hash    end     def canonical_origin      "https://#{request.host_with_port}"    end     def browser      @browser ||= Browser.new(request.user_agent)    end     UNSUPPORTED_IE_VERSIONS = %w(6 7 8 9).freeze     def unsupported_browser?      browser.ie? && UNSUPPORTED_IE_VERSIONS.include?(browser.version)    end     def docs      @docs ||= begin        cookie = memoized_cookies['docs']         if cookie.nil?          settings.default_docs        else          cookie.split('/')        end      end    end     def find_doc(slug)      settings.docs[slug] || begin        settings.docs.each do |_, doc|          return doc if doc['slug_without_version'] == slug        end        nil      end    end     def user_has_docs?(slug)      docs.include?(slug) || begin        slug = "#{slug}~"        docs.any? { |_slug| _slug.start_with?(slug) }      end    end     def doc_index_urls      docs.each_with_object [] do |slug, result|        if doc = settings.docs[slug]          result << File.join('', settings.docs_prefix, slug, 'index.json') + "?#{doc['mtime']}"        end      end    end     def doc_index_page?      @doc && (request.path == "/#{@doc['slug']}/" || request.path == "/#{@doc['slug_without_version']}/")    end     def query_string_for_redirection      request.query_string.empty? ? nil : "?#{request.query_string}"    end     def service_worker_asset_urls      @@service_worker_asset_urls ||= [        javascript_path('application'),        stylesheet_path('application'),        image_path('sprites/docs.png'),        image_path('sprites/docs@2x.png'),        asset_path('docs.js'),        App.production? ? nil : javascript_path('debug'),      ].compact    end     # Returns a cache name for the service worker to use which changes if any of the assets changes    # When a manifest exist, this name is only created once based on the asset manifest because it never changes without a server restart    # If a manifest does not exist, it is created every time this method is called because the assets can change while the server is running    def service_worker_cache_name      if File.exist?(App.assets_manifest_path)        if defined?(@@service_worker_cache_name)          return @@service_worker_cache_name        end         digest = Sprockets::Manifest                   .new(nil, App.assets_manifest_path)                   .files                   .values                   .map {|file| file["digest"]}                   .join         return @@service_worker_cache_name ||= Digest::MD5.hexdigest(digest)      else        paths = App.sprockets                  .each_file                  .to_a                  .reject {|file| file.start_with?(App.docs_path)}         return App.sprockets.pack_hexdigest(App.sprockets.files_digest(paths))      end    end     def redirect_via_js(path)      response.set_cookie :initial_path, value: path, expires: Time.now + 15, path: '/'      redirect '/', 302    end     def supports_js_redirection?      browser.modern? && !memoized_cookies.empty?    end  end   before do    halt erb :unsupported if unsupported_browser?  end   OUT_HOST = 'out.devdocs.io'.freeze   before do    if request.host == OUT_HOST && !request.path.start_with?('/s/')      query_string = "?#{request.query_string}" unless request.query_string.empty?      redirect "https://devdocs.io#{request.path}#{query_string}", 302    end  end   get '/service-worker.js' do    content_type 'application/javascript'    expires 0, :'no-cache'    erb :'service-worker.js'  end   get '/' do    return redirect "/#q=#{params[:q]}" if params[:q]    return redirect '/' unless request.query_string.empty?    response.headers['Content-Security-Policy'] = settings.csp if settings.csp    erb :index  end   %w(settings offline about news help).each do |page|    get "/#{page}" do      if supports_js_redirection?        redirect_via_js "/#{page}"      else        redirect "/#/#{page}", 302      end    end  end   get '/search' do    redirect "/#q=#{params[:q]}"  end   get '/ping' do    200  end   %w(docs.json application.js application.css).each do |asset|    class_eval <<-CODE, __FILE__, __LINE__ + 1      get '/#{asset}' do        redirect asset_path('#{asset}', protocol: 'http')      end    CODE  end   {    '/s/maxcdn'           => 'https://www.maxcdn.com/?utm_source=devdocs&utm_medium=banner&utm_campaign=devdocs',    '/s/shopify'          => 'https://www.shopify.com/careers?utm_source=devdocs&utm_medium=banner&utm_campaign=devdocs',    '/s/jetbrains'        => 'https://www.jetbrains.com/?utm_source=devdocs&utm_medium=sponsorship&utm_campaign=devdocs',    '/s/jetbrains/ruby'   => 'https://www.jetbrains.com/ruby/?utm_source=devdocs&utm_medium=sponsorship&utm_campaign=devdocs',    '/s/jetbrains/python' => 'https://www.jetbrains.com/pycharm/?utm_source=devdocs&utm_medium=sponsorship&utm_campaign=devdocs',    '/s/jetbrains/c'      => 'https://www.jetbrains.com/clion/?utm_source=devdocs&utm_medium=sponsorship&utm_campaign=devdocs',    '/s/jetbrains/web'    => 'https://www.jetbrains.com/webstorm/?utm_source=devdocs&utm_medium=sponsorship&utm_campaign=devdocs',    '/s/code-school'      => 'https://www.codeschool.com/?utm_campaign=devdocs&utm_content=homepage&utm_source=devdocs&utm_medium=sponsorship',    '/s/tw'               => 'https://twitter.com/intent/tweet?url=http%3A%2F%2Fdevdocs.io&via=DevDocs&text=All-in-one%20API%20documentation%20browser%20with%20offline%20mode%20and%20instant%20search%3A',    '/s/fb'               => 'https://www.facebook.com/sharer/sharer.php?u=http%3A%2F%2Fdevdocs.io',    '/s/re'               => 'https://www.reddit.com/submit?url=http%3A%2F%2Fdevdocs.io&title=All-in-one%20API%20documentation%20browser%20with%20offline%20mode%20and%20instant%20search&resubmit=true'  }.each do |path, url|    class_eval <<-CODE, __FILE__, __LINE__ + 1      get '#{path}' do        redirect '#{url}'      end    CODE  end   %w(/maxcdn /maxcdn/).each do |path|    class_eval <<-CODE, __FILE__, __LINE__ + 1      get '#{path}' do        410      end    CODE  end   {    '/tips'                   => '/help',    '/css-data-types/'        => '/css-values-units/',    '/css-at-rules/'          => '/?q=css%20%40',    '/dom/window/setinterval' => '/dom/windoworworkerglobalscope/setinterval',    '/html/article'           => '/html/element/article',    '/html-html5/'            => 'html-elements/',    '/html-standard/'         => 'html-elements/',    '/http-status-codes/'     => '/http-status/',    '/ruby/bignum'            => '/ruby~2.3/bignum',    '/ruby/fixnum'            => '/ruby~2.3/fixnum',  }.each do |path, url|    class_eval <<-CODE, __FILE__, __LINE__ + 1      get '#{path}' do        redirect '#{url}', 301      end    CODE  end   get %r{/feed(?:\.atom)?} do    content_type 'application/atom+xml'    settings.news_feed  end   DOC_REDIRECTS = {    'iojs' => 'node',    'node_lts' => 'node~6_lts',    'node~4.2_lts' => 'node~4_lts',    'yii1' => 'yii~1.1',    'python2' => 'python~2.7',    'xpath' => 'xslt_xpath',    'angular~4_typescript' => 'angular',    'angular~2_typescript' => 'angular~2',    'angular~2.0_typescript' => 'angular~2',    'angular~1.5' => 'angularjs~1.5',    'angular~1.4' => 'angularjs~1.4',    'angular~1.3' => 'angularjs~1.3',    'angular~1.2' => 'angularjs~1.2',    'codeigniter~3.0' => 'codeigniter~3',    'webpack~2' => 'webpack'  }   get %r{/([\w~\.%]+)(\-[\w\-]+)?(/.*)?} do |doc, type, rest|    doc.sub! '%7E', '~'     if DOC_REDIRECTS.key?(doc)      return redirect "/#{DOC_REDIRECTS[doc]}#{type}#{rest}", 301    end     if rest && doc == 'angular' && rest.start_with?('/ng')      return redirect "/angularjs/api#{rest}", 301    end     if rest && doc == 'dom'      if rest.start_with?('/windowtimers')        return redirect "/dom#{rest.sub('windowtimers', 'windoworworkerglobalscope')}", 301      end       if rest.start_with?('/window/url.')        return redirect "/dom#{rest.sub('window/url.', 'url/')}", 301      end       if rest.start_with?('/window.')        return redirect "/dom#{rest.sub('window.', 'window/')}", 301      end       if rest.start_with?('/element.')        return redirect "/dom#{rest.sub('element.', 'element/')}", 301      end       if rest.start_with?('/event.')        return redirect "/dom#{rest.sub('event.', 'event/')}", 301      end       if rest.start_with?('/document.')        return redirect "/dom#{rest.sub('document.', 'document/')}", 301      end    end     return 404 unless @doc = find_doc(doc)     if rest.nil?      redirect "/#{doc}#{type}/#{query_string_for_redirection}"    elsif rest.length > 1 && rest.end_with?('/')      redirect "/#{doc}#{type}#{rest[0...-1]}#{query_string_for_redirection}"    elsif user_has_docs?(doc) && supports_js_redirection?      redirect_via_js(request.path)    else      response.headers['Content-Security-Policy'] = settings.csp if settings.csp      erb :other    end  end   not_found do    send_file File.join(settings.public_folder, '404.html'), status: status  end   error do    send_file File.join(settings.public_folder, '500.html'), status: status  end   configure do    require 'rss'    feed = RSS::Maker.make('atom') do |maker|      maker.channel.id = 'tag:devdocs.io,2014:/feed'      maker.channel.title = 'DevDocs'      maker.channel.author = 'DevDocs'      maker.channel.updated = "#{settings.news.first.first}T14:00:00Z"       maker.channel.links.new_link do |link|        link.rel = 'self'        link.href = 'https://devdocs.io/feed.atom'        link.type = 'application/atom+xml'      end       maker.channel.links.new_link do |link|        link.rel = 'alternate'        link.href = 'https://devdocs.io/'        link.type = 'text/html'      end       news.each_with_index do |news, i|        maker.items.new_item do |item|          item.id = "tag:devdocs.io,2014:News/#{settings.news.length - i}"          item.title = news[1].split("\n").first.gsub(/<\/?[^>]*>/, '')          item.description do |desc|            desc.content = news[1..-1].join.gsub("\n", '<br>').gsub('href="/', 'href="https://devdocs.io/')            desc.type = 'html'          end          item.updated = "#{news.first}T14:00:00Z"          item.published = "#{news.first}T14:00:00Z"          item.links.new_link do |link|            link.rel = 'alternate'            link.href = 'https://devdocs.io/'            link.type = 'text/html'          end        end      end    end     set :news_feed, feed.to_s  endend