require 'abstract_unit' require 'active_support/key_generator' class HttpDigestAuthenticationTest < ActionController::TestCase class DummyDigestController < ActionController::Base before_action :authenticate, only: :index before_action :authenticate_with_request, only: :display USERS = { 'lifo' => 'world', 'pretty' => 'please', 'dhh' => ::Digest::MD5::hexdigest(["dhh","SuperSecret","secret"].join(":"))} def index render :text => "Hello Secret" end def display render :text => 'Definitely Maybe' if @logged_in end private def authenticate authenticate_or_request_with_http_digest("SuperSecret") do |username| # Returns the password USERS[username] end end def authenticate_with_request if authenticate_with_http_digest("SuperSecret") { |username| USERS[username] } @logged_in = true else request_http_digest_authentication("SuperSecret", "Authentication Failed") end end end AUTH_HEADERS = ['HTTP_AUTHORIZATION', 'X-HTTP_AUTHORIZATION', 'X_HTTP_AUTHORIZATION', 'REDIRECT_X_HTTP_AUTHORIZATION'] tests DummyDigestController setup do # Used as secret in generating nonce to prevent tampering of timestamp @secret = "4fb45da9e4ab4ddeb7580d6a35503d99" @request.env["action_dispatch.key_generator"] = ActiveSupport::LegacyKeyGenerator.new(@secret) end teardown do # ActionController::Base.session_options[:secret] = @old_secret end AUTH_HEADERS.each do |header| test "successful authentication with #{header.downcase}" do @request.env[header] = encode_credentials(:username => 'lifo', :password => 'world') get :index assert_response :success assert_equal 'Hello Secret', @response.body, "Authentication failed for request header #{header}" end end AUTH_HEADERS.each do |header| test "unsuccessful authentication with #{header.downcase}" do @request.env[header] = encode_credentials(:username => 'h4x0r', :password => 'world') get :index assert_response :unauthorized assert_equal "HTTP Digest: Access denied.\n", @response.body, "Authentication didn't fail for request header #{header}" end end test "authentication request without credential" do get :display assert_response :unauthorized assert_equal "Authentication Failed", @response.body credentials = decode_credentials(@response.headers['WWW-Authenticate']) assert_equal 'SuperSecret', credentials[:realm] end test "authentication request with nil credentials" do @request.env['HTTP_AUTHORIZATION'] = encode_credentials(:username => nil, :password => nil) get :index assert_response :unauthorized assert_equal "HTTP Digest: Access denied.\n", @response.body, "Authentication didn't fail for request" assert_not_equal 'Hello Secret', @response.body, "Authentication didn't fail for request" end test "authentication request with invalid password" do @request.env['HTTP_AUTHORIZATION'] = encode_credentials(:username => 'pretty', :password => 'foo') get :display assert_response :unauthorized assert_equal "Authentication Failed", @response.body end test "authentication request with invalid nonce" do @request.env['HTTP_AUTHORIZATION'] = encode_credentials(:username => 'pretty', :password => 'please', :nonce => "xxyyzz") get :display assert_response :unauthorized assert_equal "Authentication Failed", @response.body end test "authentication request with invalid opaque" do @request.env['HTTP_AUTHORIZATION'] = encode_credentials(:username => 'pretty', :password => 'foo', :opaque => "xxyyzz") get :display assert_response :unauthorized assert_equal "Authentication Failed", @response.body end test "authentication request with invalid realm" do @request.env['HTTP_AUTHORIZATION'] = encode_credentials(:username => 'pretty', :password => 'foo', :realm => "NotSecret") get :display assert_response :unauthorized assert_equal "Authentication Failed", @response.body end test "authentication request with valid credential" do @request.env['HTTP_AUTHORIZATION'] = encode_credentials(:username => 'pretty', :password => 'please') get :display assert_response :success assert_equal 'Definitely Maybe', @response.body end test "authentication request with valid credential and nil session" do @request.env['HTTP_AUTHORIZATION'] = encode_credentials(:username => 'pretty', :password => 'please') get :display assert_response :success assert_equal 'Definitely Maybe', @response.body end test "authentication request with request-uri that doesn't match credentials digest-uri" do @request.env['HTTP_AUTHORIZATION'] = encode_credentials(:username => 'pretty', :password => 'please') @request.env['PATH_INFO'] = "/proxied/uri" get :display assert_response :success assert_equal 'Definitely Maybe', @response.body end test "authentication request with absolute request uri (as in webrick)" do @request.env['HTTP_AUTHORIZATION'] = encode_credentials(:username => 'pretty', :password => 'please') @request.env["SERVER_NAME"] = "test.host" @request.env['PATH_INFO'] = "/http_digest_authentication_test/dummy_digest" get :display assert_response :success assert_equal 'Definitely Maybe', @response.body end test "authentication request with absolute uri in credentials (as in IE)" do @request.env['HTTP_AUTHORIZATION'] = encode_credentials(:url => "http://test.host/http_digest_authentication_test/dummy_digest", :username => 'pretty', :password => 'please') get :display assert_response :success assert_equal 'Definitely Maybe', @response.body end test "authentication request with absolute uri in both request and credentials (as in Webrick with IE)" do @request.env['HTTP_AUTHORIZATION'] = encode_credentials(:url => "http://test.host/http_digest_authentication_test/dummy_digest", :username => 'pretty', :password => 'please') @request.env['SERVER_NAME'] = "test.host" @request.env['PATH_INFO'] = "/http_digest_authentication_test/dummy_digest" get :display assert_response :success assert_equal 'Definitely Maybe', @response.body end test "authentication request with password stored as ha1 digest hash" do @request.env['HTTP_AUTHORIZATION'] = encode_credentials(:username => 'dhh', :password => ::Digest::MD5::hexdigest(["dhh","SuperSecret","secret"].join(":")), :password_is_ha1 => true) get :display assert_response :success assert_equal 'Definitely Maybe', @response.body end test "authentication request with _method" do @request.env['HTTP_AUTHORIZATION'] = encode_credentials(:username => 'pretty', :password => 'please', :method => :post) @request.env['rack.methodoverride.original_method'] = 'POST' put :display assert_response :success assert_equal 'Definitely Maybe', @response.body end test "validate_digest_response should fail with nil returning password_procedure" do @request.env['HTTP_AUTHORIZATION'] = encode_credentials(:username => nil, :password => nil) assert !ActionController::HttpAuthentication::Digest.validate_digest_response(@request, "SuperSecret"){nil} end test "authentication request with request-uri ending in '/'" do @request.env['PATH_INFO'] = "/http_digest_authentication_test/dummy_digest/" @request.env['HTTP_AUTHORIZATION'] = encode_credentials(:username => 'pretty', :password => 'please') # simulate normalizing PATH_INFO @request.env['PATH_INFO'] = "/http_digest_authentication_test/dummy_digest" get :display assert_response :success assert_equal 'Definitely Maybe', @response.body end test "authentication request with request-uri ending in '?'" do @request.env['PATH_INFO'] = "/http_digest_authentication_test/dummy_digest/?" @request.env['HTTP_AUTHORIZATION'] = encode_credentials(:username => 'pretty', :password => 'please') # simulate normalizing PATH_INFO @request.env['PATH_INFO'] = "/http_digest_authentication_test/dummy_digest" get :display assert_response :success assert_equal 'Definitely Maybe', @response.body end test "authentication request with absolute uri in credentials (as in IE) ending with /" do @request.env['PATH_INFO'] = "/http_digest_authentication_test/dummy_digest/" @request.env['HTTP_AUTHORIZATION'] = encode_credentials(:uri => "http://test.host/http_digest_authentication_test/dummy_digest/", :username => 'pretty', :password => 'please') # simulate normalizing PATH_INFO @request.env['PATH_INFO'] = "/http_digest_authentication_test/dummy_digest" get :display assert_response :success assert_equal 'Definitely Maybe', @response.body end test "when sent a basic auth header, returns Unauthorized" do @request.env['HTTP_AUTHORIZATION'] = 'Basic Gwf2aXq8ZLF3Hxq=' get :display assert_response :unauthorized end private def encode_credentials(options) options.reverse_merge!(:nc => "00000001", :cnonce => "0a4f113b", :password_is_ha1 => false) password = options.delete(:password) # Perform unauthenticated request to retrieve digest parameters to use on subsequent request method = options.delete(:method) || 'GET' case method.to_s.upcase when 'GET' get :index when 'POST' post :index end assert_response :unauthorized credentials = decode_credentials(@response.headers['WWW-Authenticate']) credentials.merge!(options) path_info = @request.env['PATH_INFO'].to_s uri = options[:uri] || path_info credentials.merge!(:uri => uri) @request.env["ORIGINAL_FULLPATH"] = path_info ActionController::HttpAuthentication::Digest.encode_credentials(method, credentials, password, options[:password_is_ha1]) end def decode_credentials(header) ActionController::HttpAuthentication::Digest.decode_credentials(header) end end