Module: Asn1Parser

Defined in:
lib/asn1_parser.rb,
lib/asn1_parser/engine.rb,
lib/asn1_parser/version.rb

Overview

Main module of ASN1 Parser gem

Defined Under Namespace

Classes: Engine

Constant Summary collapse

VERSION = 
'0.1.1'

Class Method Summary collapse

Class Method Details

.cdr(list) ⇒ Object 



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# File 'lib/asn1_parser.rb', line 48

def self.cdr(list)
  list[1..list.length]
end

.makehash(array) ⇒ Object 



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# File 'lib/asn1_parser.rb', line 30

def self.makehash(array)
  hash = {}

  (0..(array.length - 1)).step(2) do |i|
    cd = CharDet.detect(array[i])
    cd['encoding'] = cd['encoding'] || 'utf-8'
    hash[array[i + 1]] = array[i]&.force_encoding(cd['encoding'])
  end

  hash
end

.parse(filepath) ⇒ Object 



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# File 'lib/asn1_parser.rb', line 9

def self.parse(filepath)
  crt_encoded = File.open(filepath).read
  obj = OpenSSL::ASN1.decode(crt_encoded)
  gacc = []

  collect = lambda { |obj, acc|
    if obj.nil?
      gacc
    elsif obj.respond_to?('[]')
      collect.call(obj[0], collect.call(cdr(obj), acc))
    elsif obj.value.is_a? String
      gacc.push(obj.value)
    elsif obj.value.respond_to?('[]')
      collect.call(obj.value[0], collect.call(cdr(obj.value), acc))
    end
  }

  collect.call(obj, [])
  gacc
end

.printhash(hash) ⇒ Object 



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# File 'lib/asn1_parser.rb', line 42

def self.printhash(hash)
  hash.each do |key, value|
    puts "#{key} => #{value}"
  end
end