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sstelfox/safe_parse.rb

Created March 27, 2013 19:27
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Safely parse JSON in ruby.
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safe_parse.rb
require 'json'
unsafe_json = <<-EOS
{
"json_class": "DangerousClass",
"command": "sudo rm -rf /"
}
EOS
# OH GOD WHERE DID MY SYSTEM GO!?
JSON.parse(unsafe_json)
# Lets make this safe...
JSON.create_id = nil
# Nothing bad happens ^_^ just got a hash...
JSON.parse(unsafe_json)
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