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Author	SHA1	Message	Date
Jason Roelofs	1300210f05	Convert Strainer to white-list method protection ... After moving the method existence check from Context into Strainer, updated Strainer to only accept invokation methods that were added via filter Modules, and done in a way that respond_to? is never called, preventing unconstrained Symbol table growth.	2013-01-16 11:14:01 -05:00
Jason Roelofs	a48e162237	Change Drop method lookup to not hit respond_to? ... Class.public_method_defined? ends up diving into Ruby's core looking for a method with the given method_or_key. This process at some point turns method_or_key into a Symbol. This change no longer takes that path and thus doesn't grow the Symbol table.	2013-01-16 11:07:48 -05:00
Jason Roelofs	7bcb565668	Remove #to_sym calls from Drop and Variable ... Symbols are not needed here and using plain strings is nicer on Ruby	2013-01-16 09:46:17 -05:00
Jason Roelofs	c3e6cde67f	Add security tests to show that the symbol table doesn't grow	2013-01-16 09:46:17 -05:00