Class: Authoraise::Policy

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

Instance Method Summary collapse

Constructor Details

#initialize {|_self| ... } ⇒ Policy

Returns a new instance of Policy.

Yields:

  • (_self)

Yield Parameters:



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# File 'lib/authoraise.rb', line 37

def initialize
  @checks = []
  yield(self) if block_given?
end

Instance Method Details

#allow(&procedure) ⇒ Object 



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# File 'lib/authoraise.rb', line 42

def allow(&procedure)
  @checks <<
    Check.new(procedure.parameters.map(&:last), procedure)
end

#authorize(options = {}) ⇒ Object

Raises:



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# File 'lib/authoraise.rb', line 47

def authorize(options = {})
  raise Error, 'Policy is empty' if @checks.empty?
  given_keys = options.keys.to_set
  assert_all_keys_match(given_keys) if Authoraise.strict_mode
  missing_keys = Set.new

  @checks.each do |check|
    if check.required_keys.subset?(given_keys)
      return true if check.(options)
    else
      missing_keys += check.missing_keys(given_keys)
    end
  end

  if missing_keys.empty?
    return false
  else
    raise Error,
      "Inconclusive authorization, missing keys: #{missing_keys.to_a}"
  end
end