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require 'abstract_unit'
class HttpDigestAuthenticationTest < ActionController::TestCase
class DummyDigestController < ActionController::Base
before_filter :authenticate, :only => :index
before_filter :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'
end
private
def authenticate
authenticate_or_request_with_http_digest("SuperSecret") do |username|
# Return 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 = "session_options_secret"
@controller.config.secret = @secret
# @old_secret, ActionController::Base.config.secret[:secret] = ActionController::Base.session_options[:secret], @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 assigns(:logged_in)
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 assigns(:logged_in)
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'] = "/http_digest_authentication_test/dummy_digest/altered/uri"
get :display
assert_response :unauthorized
assert_equal "Authentication Failed", @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 assigns(:logged_in)
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 assigns(:logged_in)
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 assigns(:logged_in)
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 assigns(:logged_in)
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 assigns(:logged_in)
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(@secret, @request, "SuperSecret"){nil}
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)
credentials.merge!(:uri => @request.env['PATH_INFO'].to_s)
ActionController::HttpAuthentication::Digest.encode_credentials(method, credentials, password, options[:password_is_ha1])
end
def decode_credentials(header)
ActionController::HttpAuthentication::Digest.decode_credentials(@response.headers['WWW-Authenticate'])
end
end
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