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 plain: "Hello Secret" end def display render plain: "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