Class: IcAgent::Certificate

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

Class Method Summary collapse

Class Method Details

.find_label(l, trees) ⇒ Object 



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# File 'lib/ic_agent/certificate.rb', line 45

def self.find_label(l, trees)
  trees.each do |t|
    if t[0] == NodeId::LABELED
      p = t[1]
      return t[2] if l == p
    end
  end
  nil
end

.flatten_forks(t) ⇒ Object 



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# File 'lib/ic_agent/certificate.rb', line 32

def self.flatten_forks(t)
  if t[0] == NodeId::EMPTY
    []
  elsif t[0] == NodeId::FORK
    val1 = flatten_forks(t[1])
    val2 = flatten_forks(t[2])
    val1.concat(val2)
    val1
  else
    [t]
  end
end

.lookup(path, cert) ⇒ Object 



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# File 'lib/ic_agent/certificate.rb', line 11

def self.lookup(path, cert)
  lookup_path(path, cert.value['tree'])
end

.lookup_path(path, tree) ⇒ Object 



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# File 'lib/ic_agent/certificate.rb', line 15

def self.lookup_path(path, tree)
  offset = 0
  if path.length == 0
    if tree[0] == NodeId::LEAF
      return tree[1]
    else
      return nil
    end
  end
  label = path[0].is_a?(String) ? path[0].encode : path[0]
  t = find_label(label, flatten_forks(tree))
  if t
    offset += 1
    lookup_path(path[offset..-1], t)
  end
end