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merge revision(s) 39384:

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* lib/rexml/document.rb (REXML::Document.entity_expansion_text_limit):
	  new attribute to read/write entity expansion text limit.  the default
	  limit is 10Kb.

	* lib/rexml/text.rb (REXML::Text.unnormalize): check above attribute.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_0_0@39387 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
usa 2013-02-22 10:22:20 +00:00
parent 654a363229
commit 11d79c680f
5 changed files with 65 additions and 17 deletions
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18
test/rexml/test_entity.rb
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@ -104,6 +104,24 @@ class EntityTester < Test::Unit::TestCase
assert_equal source, out
end
def test_entity_string_limit
template = '<!DOCTYPE bomb [ <!ENTITY a "^" > ]> <bomb>$</bomb>'
len = 5120 # 5k per entity
template.sub!(/\^/, "B" * len)
# 10k is OK
entities = '&a;' * 2 # 5k entity * 2 = 10k
xmldoc = REXML::Document.new(template.sub(/\$/, entities))
assert_equal(len * 2, xmldoc.root.text.bytesize)
# above 10k explodes
entities = '&a;' * 3 # 5k entity * 2 = 15k
xmldoc = REXML::Document.new(template.sub(/\$/, entities))
assert_raises(RuntimeError) do
xmldoc.root.text
end
end
def test_raw
source = '<!DOCTYPE foo [
<!ENTITY ent "replace">