Class: Arrow::Session::SHA1Id

Inherits:
Id show all
Defined in:
lib/arrow/session/sha1id.rb

Overview

The Arrow::Session::SHA1Id class, a derivative of Arrow::Session::Id. Instances of this class are session IDs created by SHA1-hashing some semi-random data.

Synopsis

  # In arrow.conf:

session: 

  idType: sha1:.

Authors

  • Michael Granger

Please see the file LICENSE in the top-level directory for licensing details.

Constant Summary

DEFAULT_SALT =

Default salt characters 

'sadblkw456jbhgsdfi7283hnehonaseegop26m'

Class Method Summary

Methods inherited from Id

create, derivativeDirs, #initialize, #new?, #to_s

Methods inherited from Arrow::Object

deprecate_class_method, deprecate_method, inherited

Methods included from Arrow::Loggable

#log

Constructor Details

This class inherits a constructor from Arrow::Session::Id

Class Method Details

+ (Object) generate(uri, request)

Generate a new id 



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# File 'lib/arrow/session/sha1id.rb', line 34

def self::generate( uri, request )
  salt = uri.opaque || DEFAULT_SALT
  seed = [
    salt,
    Time.new.to_s,
    Object.new.inspect,
    rand(),
    Process.pid,
  ].join
  return Digest::SHA1.hexdigest( Digest::SHA1.hexdigest(seed) )
end

+ (Object) validate(uri, idstr)

Returns the validated id if the given id is in the expected form for this type, or nil if it is not. 



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# File 'lib/arrow/session/sha1id.rb', line 48

def self::validate( uri, idstr )
  rval = idstr[/^([a-f0-9]{40})$/]
  rval.untaint
  return rval
end