Class: Ironment::Truster

Inherits:
Object
  • Object
show all
Defined in:
lib/ironment/truster.rb

Defined Under Namespace

Classes: Modified, NotTrusted, RuncomError

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ Truster

Returns a new instance of Truster.



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# File 'lib/ironment/truster.rb', line 16

def initialize(options = {})
  @config = options[:config] || Config.new
end

Instance Method Details

#trust(runcom) ⇒ Object 



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# File 'lib/ironment/truster.rb', line 36

def trust(runcom)
  @config[runcom.file] = runcom.sha1sum
end

#untrust(runcom) ⇒ Object 



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# File 'lib/ironment/truster.rb', line 40

def untrust(runcom)
  @config[runcom.file] = nil
end

#validate(runcom) ⇒ Object 



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# File 'lib/ironment/truster.rb', line 20

def validate(runcom)
  expected_sha1sum = @config[runcom.file]

  if expected_sha1sum.nil?
    raise NotTrusted, runcom
  end

  real_sha1sum = runcom.sha1sum

  unless expected_sha1sum == real_sha1sum
    raise Modified, runcom
  end

  true
end