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# frozen_string_literal: true
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" => OpenSSL::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::CachingKeyGenerator.new(
ActiveSupport::KeyGenerator.new(@secret)
)
@request.env["action_dispatch.http_auth_salt"] = "http authentication"
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: OpenSSL::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_not 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[: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
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