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tensiondriven/gist:2933858

Created June 15, 2012 00:30
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Email id token encode/decode method
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gistfile1.txt
def self.get_guid record_id
str = record_id.to_s(36)
hash = (Digest::SHA1.hexdigest "SALTY#{record_id}HASH")[0..3].downcase
"[#{hash}#{str}]"
end
def self.get_id_for_guid guid
old_hash = guid[0..3]
record_id = guid[4..-1].to_i(36)
hash = (Digest::SHA1.hexdigest "SALTY#{record_id}HASH")[0..3].downcase
if hash == old_hash
record_id
else
nil
end
end
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