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authorXavier Noria <fxn@hashref.com>2009-11-09 22:14:21 +0100
committerXavier Noria <fxn@hashref.com>2009-11-09 22:16:51 +0100
commita48f49e56bf53e0a2386da898576ef12d5258358 (patch)
tree5f6447944f15d6296b4d197368c74c0f19c43b73 /activesupport/lib/active_support/core_ext/rexml.rb
parentdb2c0d79e3f9ba4fa921b7a122e9e7849729de64 (diff)
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the REXML security fix is not needed for Ruby >= 1.8.7
Diffstat (limited to 'activesupport/lib/active_support/core_ext/rexml.rb')
-rw-r--r--activesupport/lib/active_support/core_ext/rexml.rb43
1 files changed, 0 insertions, 43 deletions
diff --git a/activesupport/lib/active_support/core_ext/rexml.rb b/activesupport/lib/active_support/core_ext/rexml.rb
deleted file mode 100644
index 5288b639a6..0000000000
--- a/activesupport/lib/active_support/core_ext/rexml.rb
+++ /dev/null
@@ -1,43 +0,0 @@
-require 'active_support/core_ext/kernel/reporting'
-
-# Fixes the rexml vulnerability disclosed at:
-# http://www.ruby-lang.org/en/news/2008/08/23/dos-vulnerability-in-rexml/
-# This fix is identical to rexml-expansion-fix version 1.0.1
-require 'rexml/rexml'
-
-# Earlier versions of rexml defined REXML::Version, newer ones REXML::VERSION
-unless (defined?(REXML::VERSION) ? REXML::VERSION : REXML::Version) > "3.1.7.2"
- silence_warnings { require 'rexml/document' }
-
- # REXML in 1.8.7 has the patch but early patchlevels didn't update Version from 3.1.7.2.
- unless REXML::Document.respond_to?(:entity_expansion_limit=)
- silence_warnings { require 'rexml/entity' }
-
- module REXML #:nodoc:
- class Entity < Child #:nodoc:
- undef_method :unnormalized
- def unnormalized
- document.record_entity_expansion! if document
- v = value()
- return nil if v.nil?
- @unnormalized = Text::unnormalize(v, parent)
- @unnormalized
- end
- end
- class Document < Element #:nodoc:
- @@entity_expansion_limit = 10_000
- def self.entity_expansion_limit= val
- @@entity_expansion_limit = val
- end
-
- def record_entity_expansion!
- @number_of_expansions ||= 0
- @number_of_expansions += 1
- if @number_of_expansions > @@entity_expansion_limit
- raise "Number of entity expansions exceeded, processing aborted."
- end
- end
- end
- end
- end
-end