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require 'abstract_unit'
# common controller actions
module RequestForgeryProtectionActions
def index
render :inline => "<%= form_tag('/') {} %>"
end
def show_button
render :inline => "<%= button_to('New', '/') {} %>"
end
def unsafe
render :text => 'pwn'
end
def meta
render :inline => "<%= csrf_meta_tag %>"
end
def rescue_action(e) raise e end
end
# sample controllers
class RequestForgeryProtectionController < ActionController::Base
include RequestForgeryProtectionActions
protect_from_forgery :only => %w(index meta)
end
class RequestForgeryProtectionControllerUsingOldBehaviour < ActionController::Base
include RequestForgeryProtectionActions
protect_from_forgery :only => %w(index meta)
def handle_unverified_request
raise(ActionController::InvalidAuthenticityToken)
end
end
class FreeCookieController < RequestForgeryProtectionController
self.allow_forgery_protection = false
def index
render :inline => "<%= form_tag('/') {} %>"
end
def show_button
render :inline => "<%= button_to('New', '/') {} %>"
end
end
class CustomAuthenticityParamController < RequestForgeryProtectionController
def form_authenticity_param
'foobar'
end
end
# common test methods
module RequestForgeryProtectionTests
def setup
@token = "cf50faa3fe97702ca1ae"
ActiveSupport::SecureRandom.stubs(:base64).returns(@token)
ActionController::Base.request_forgery_protection_token = :authenticity_token
end
def test_should_render_form_with_token_tag
assert_not_blocked do
get :index
end
assert_select 'form>div>input[name=?][value=?]', 'authenticity_token', @token
end
def test_should_render_button_to_with_token_tag
assert_not_blocked do
get :show_button
end
assert_select 'form>div>input[name=?][value=?]', 'authenticity_token', @token
end
def test_should_allow_get
assert_not_blocked { get :index }
end
def test_should_allow_post_without_token_on_unsafe_action
assert_not_blocked { post :unsafe }
end
def test_should_not_allow_post_without_token
assert_blocked { post :index }
end
def test_should_not_allow_post_without_token_irrespective_of_format
assert_blocked { post :index, :format=>'xml' }
end
def test_should_not_allow_put_without_token
assert_blocked { put :index }
end
def test_should_not_allow_delete_without_token
assert_blocked { delete :index }
end
def test_should_not_allow_xhr_post_without_token
assert_blocked { xhr :post, :index }
end
def test_should_allow_post_with_token
assert_not_blocked { post :index, :authenticity_token => @token }
end
def test_should_allow_put_with_token
assert_not_blocked { put :index, :authenticity_token => @token }
end
def test_should_allow_delete_with_token
assert_not_blocked { delete :index, :authenticity_token => @token }
end
def test_should_allow_post_with_token_in_header
@request.env['HTTP_X_CSRF_TOKEN'] = @token
assert_not_blocked { post :index }
end
def test_should_allow_delete_with_token_in_header
@request.env['HTTP_X_CSRF_TOKEN'] = @token
assert_not_blocked { delete :index }
end
def test_should_allow_put_with_token_in_header
@request.env['HTTP_X_CSRF_TOKEN'] = @token
assert_not_blocked { put :index }
end
def assert_blocked
session[:something_like_user_id] = 1
yield
assert_nil session[:something_like_user_id], "session values are still present"
assert_response :success
end
def assert_not_blocked
assert_nothing_raised { yield }
assert_response :success
end
end
# OK let's get our test on
class RequestForgeryProtectionControllerTest < ActionController::TestCase
include RequestForgeryProtectionTests
test 'should emit a csrf-token meta tag' do
ActiveSupport::SecureRandom.stubs(:base64).returns(@token + '<=?')
get :meta
assert_equal %(<meta name="csrf-param" content="authenticity_token"/>\n<meta name="csrf-token" content="cf50faa3fe97702ca1ae&lt;=?"/>), @response.body
end
end
class RequestForgeryProtectionControllerUsingOldBehaviourTest < ActionController::TestCase
include RequestForgeryProtectionTests
def assert_blocked
assert_raises(ActionController::InvalidAuthenticityToken) do
yield
end
end
end
class FreeCookieControllerTest < ActionController::TestCase
def setup
@controller = FreeCookieController.new
@request = ActionController::TestRequest.new
@response = ActionController::TestResponse.new
@token = "cf50faa3fe97702ca1ae"
ActiveSupport::SecureRandom.stubs(:base64).returns(@token)
end
def test_should_not_render_form_with_token_tag
get :index
assert_select 'form>div>input[name=?][value=?]', 'authenticity_token', @token, false
end
def test_should_not_render_button_to_with_token_tag
get :show_button
assert_select 'form>div>input[name=?][value=?]', 'authenticity_token', @token, false
end
def test_should_allow_all_methods_without_token
[:post, :put, :delete].each do |method|
assert_nothing_raised { send(method, :index)}
end
end
test 'should not emit a csrf-token meta tag' do
get :meta
assert_blank @response.body
end
end
class CustomAuthenticityParamControllerTest < ActionController::TestCase
def setup
ActionController::Base.request_forgery_protection_token = :custom_token_name
super
end
def teardown
ActionController::Base.request_forgery_protection_token = :authenticity_token
super
end
def test_should_allow_custom_token
post :index, :custom_token_name => 'foobar'
assert_response :ok
end
end
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