lib/imprint/tracer.rb in imprint-1.4.3 vs lib/imprint/tracer.rb in imprint-1.5.0

@@ -1,13 +1,14 @@
+require 'securerandom'
+
 module Imprint
   class Tracer
     TRACER_HEADER    = 'HTTP_IMPRINTID'
     TRACER_KEY       = 'IMPRINTID'
     RAILS_REQUEST_ID = "action_dispatch.request_id"
     TRACE_ID_DEFAULT = "-1"
     TRACER_TIMESTAMP = "TIMESTAMP"
-    TRACE_CHARS      = [('a'..'z'), ('A'..'Z')].map { |i| i.to_a }.flatten
 
     def self.set_trace_id(id, rack_env = {})
       Thread.current[TRACER_TIMESTAMP] = Time.now.utc.strftime("%Y-%m-%dT%H:%M:%S.%6N")
       Thread.current[TRACER_KEY] = id
       # setting to the rack_env, gives error tracking support in some systems
@@ -40,10 +41,10 @@
         end
       end
     end
 
     def self.rand_trace_id
-      (0...6).map { TRACE_CHARS[rand(TRACE_CHARS.length)] }.join
+      SecureRandom.uuid
     end
   end
 end