31 lines
938 B
Ruby
31 lines
938 B
Ruby
# CGI::Session#create_new_id requires 'digest/md5' on every call. This makes
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# sense when spawning processes per request, but is unnecessarily expensive
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# when serving requests from a long-lived process.
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#
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# http://railsexpress.de/blog/articles/2005/11/22/speeding-up-the-creation-of-new-sessions
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require 'cgi/session'
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require 'digest/md5'
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class CGI
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class Session #:nodoc:
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private
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# Create a new session id.
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#
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# The session id is an MD5 hash based upon the time,
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# a random number, and a constant string. This routine
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# is used internally for automatically generated
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# session ids.
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def create_new_id
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md5 = Digest::MD5::new
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now = Time::now
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md5.update(now.to_s)
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md5.update(String(now.usec))
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md5.update(String(rand(0)))
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md5.update(String($$))
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md5.update('foobar')
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@new_session = true
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md5.hexdigest
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end
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end
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end
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