diff options
5 files changed, 63 insertions, 29 deletions
diff --git a/actionpack/lib/action_view/helpers/capture_helper.rb b/actionpack/lib/action_view/helpers/capture_helper.rb index 17bbfe2efd..278139cadb 100644 --- a/actionpack/lib/action_view/helpers/capture_helper.rb +++ b/actionpack/lib/action_view/helpers/capture_helper.rb @@ -215,7 +215,7 @@ module ActionView def flush_output_buffer #:nodoc: if output_buffer && !output_buffer.empty? response.body_parts << output_buffer - self.output_buffer = output_buffer[0,0] + self.output_buffer = output_buffer.respond_to?(:clone_empty) ? output_buffer.clone_empty : output_buffer[0, 0] nil end end diff --git a/actionpack/lib/action_view/helpers/tags/base.rb b/actionpack/lib/action_view/helpers/tags/base.rb index c9c891daa1..22c16de057 100644 --- a/actionpack/lib/action_view/helpers/tags/base.rb +++ b/actionpack/lib/action_view/helpers/tags/base.rb @@ -133,12 +133,11 @@ module ActionView def add_options(option_tags, options, value = nil) if options[:include_blank] - include_blank = options[:include_blank] if options[:include_blank].kind_of?(String) - option_tags = content_tag(:option, include_blank, :value => '').safe_concat("\n").safe_concat(option_tags) + option_tags = content_tag('option', options[:include_blank].kind_of?(String) ? options[:include_blank] : nil, :value => '') + "\n" + option_tags end if value.blank? && options[:prompt] prompt = options[:prompt].kind_of?(String) ? options[:prompt] : I18n.translate('helpers.select.prompt', :default => 'Please select') - option_tags = content_tag(:option, prompt, :value => '').safe_concat("\n").safe_concat(option_tags) + option_tags = content_tag('option', prompt, :value => '') + "\n" + option_tags end option_tags end diff --git a/actionpack/test/template/form_options_helper_test.rb b/actionpack/test/template/form_options_helper_test.rb index 6b8d62df62..606d454cb3 100644 --- a/actionpack/test/template/form_options_helper_test.rb +++ b/actionpack/test/template/form_options_helper_test.rb @@ -509,7 +509,7 @@ class FormOptionsHelperTest < ActionView::TestCase def test_select_under_fields_for_with_string_and_given_prompt @post = Post.new - options = "<option value=\"abe\">abe</option><option value=\"mus\">mus</option><option value=\"hest\">hest</option>" + options = "<option value=\"abe\">abe</option><option value=\"mus\">mus</option><option value=\"hest\">hest</option>".html_safe output_buffer = fields_for :post, @post do |f| concat f.select(:category, options, :prompt => 'The prompt') @@ -665,6 +665,13 @@ class FormOptionsHelperTest < ActionView::TestCase ) end + def test_select_escapes_options + assert_dom_equal( + '<select id="post_title" name="post[title]"><script>alert(1)</script></select>', + select('post', 'title', '<script>alert(1)</script>') + ) + end + def test_select_with_selected_nil @post = Post.new @post.category = "<mus>" diff --git a/activesupport/lib/active_support/core_ext/string/output_safety.rb b/activesupport/lib/active_support/core_ext/string/output_safety.rb index dd780da157..728ab087fa 100644 --- a/activesupport/lib/active_support/core_ext/string/output_safety.rb +++ b/activesupport/lib/active_support/core_ext/string/output_safety.rb @@ -103,29 +103,41 @@ module ActiveSupport #:nodoc: end end - def[](*args) - new_safe_buffer = super - new_safe_buffer.instance_eval { @dirty = false } - new_safe_buffer + def [](*args) + return super if args.size < 2 + + if html_safe? + new_safe_buffer = super + new_safe_buffer.instance_eval { @html_safe = true } + new_safe_buffer + else + to_str[*args] + end end def safe_concat(value) - raise SafeConcatError if dirty? + raise SafeConcatError unless html_safe? original_concat(value) end def initialize(*) - @dirty = false + @html_safe = true super end def initialize_copy(other) super - @dirty = other.dirty? + @html_safe = other.html_safe? + end + + def clone_empty + new_safe_buffer = self[0, 0] + new_safe_buffer.instance_variable_set(:@dirty, @dirty) + new_safe_buffer end def concat(value) - if dirty? || value.html_safe? + if !html_safe? || value.html_safe? super(value) else super(ERB::Util.h(value)) @@ -138,7 +150,7 @@ module ActiveSupport #:nodoc: end def html_safe? - !dirty? + defined?(@html_safe) && @html_safe end def to_s @@ -161,18 +173,12 @@ module ActiveSupport #:nodoc: end # end def #{unsafe_method}!(*args) # def capitalize!(*args) - @dirty = true # @dirty = true + @html_safe = false # @html_safe = false super # super end # end EOT end end - - protected - - def dirty? - @dirty - end end end diff --git a/activesupport/test/safe_buffer_test.rb b/activesupport/test/safe_buffer_test.rb index bdde5141a9..047b89be2a 100644 --- a/activesupport/test/safe_buffer_test.rb +++ b/activesupport/test/safe_buffer_test.rb @@ -84,13 +84,13 @@ class SafeBufferTest < ActiveSupport::TestCase assert_equal "hello<>", clean + @buffer end - test "Should concat as a normal string when dirty" do + test "Should concat as a normal string when safe" do clean = "hello".html_safe @buffer.gsub!('', '<>') assert_equal "<>hello", @buffer + clean end - test "Should preserve dirty? status on copy" do + test "Should preserve html_safe? status on copy" do @buffer.gsub!('', '<>') assert !@buffer.dup.html_safe? end @@ -102,20 +102,42 @@ class SafeBufferTest < ActiveSupport::TestCase assert_equal "<script>", result_buffer end - test "Should raise an error when safe_concat is called on dirty buffers" do + test "Should raise an error when safe_concat is called on unsafe buffers" do @buffer.gsub!('', '<>') assert_raise ActiveSupport::SafeBuffer::SafeConcatError do @buffer.safe_concat "BUSTED" end end - test "should not fail if the returned object is not a string" do + test "Should not fail if the returned object is not a string" do assert_kind_of NilClass, @buffer.slice("chipchop") end - test "Should initialize @dirty to false for new instance when sliced" do - dirty = @buffer[0,0].send(:dirty?) - assert_not_nil dirty - assert !dirty + test "clone_empty returns an empty buffer" do + assert_equal '', ActiveSupport::SafeBuffer.new('foo').clone_empty + end + + test "clone_empty keeps the original dirtyness" do + assert @buffer.clone_empty.html_safe? + assert !@buffer.gsub!('', '').clone_empty.html_safe? + end + + test "Should be safe when sliced if original value was safe" do + new_buffer = @buffer[0,0] + assert_not_nil new_buffer + assert new_buffer.html_safe?, "should be safe" + end + + test "Should continue unsafe on slice" do + x = 'foo'.html_safe.gsub!('f', '<script>alert("lolpwnd");</script>') + + # calling gsub! makes the dirty flag true + assert !x.html_safe?, "should not be safe" + + # getting a slice of it + y = x[0..-1] + + # should still be unsafe + assert !y.html_safe?, "should not be safe" end end |