Module: OpenBEL::JWTMiddleware

Defined in:
app/openbel/api/middleware/auth.rb

Defined Under Namespace

Classes: Authentication

Class Method Summary collapse

Class Method Details

.check_token(env) ⇒ Object 



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# File 'app/openbel/api/middleware/auth.rb', line 15

def self.check_token(env)
  cookie_hdr = env['HTTP_COOKIE']
  auth_hdr = env['HTTP_AUTHORIZATION']
  req = Rack::Request.new(env)
  token_param = req.params['token']
  if cookie_hdr.nil? && auth_hdr.nil? && token_param.nil?
    raise 'missing authorization cookie, header, or parameter'
  end

  unless cookie_hdr.nil?
    cookies = cookie_hdr.split('; ')
    selected = cookies.select { |x| x.start_with?('jwt=') }
    unless selected.empty?
      tokens = selected[0].split('=')
      token = tokens[1] if tokens.size > 1
    end
  end

  unless auth_hdr.nil?
    tokens = auth_hdr.split('Bearer ')
    raise 'malformed authorization header' if tokens.size != 2
    token = tokens[1]
  end

  token = token_param unless token_param.nil?

  secret = OpenBEL::Settings[:auth][:secret]
  pubkey = OpenSSL::PKey::RSA.new(secret)

  # secret = Base64.decode64(secret)

  # whether we should verify the token
  verify = true
  # JWT options passed to decode
  options = { :algorithm => 'RS256' }

  begin
    decoded_token = decode(token, pubkey, verify, options)
  rescue ::JWT::VerificationError => ve
    puts ve.inspect
    raise 'invalid authorization token'
  rescue ::JWT::DecodeError => je
    puts je.inspect
    raise 'malformed authorization token'
  end
  env['jwt.header'] = decoded_token.last unless decoded_token.nil?
  env['jwt.payload'] = decoded_token.first unless decoded_token.nil?

  exp = env['jwt.payload']['exp']
  now = Time.now.to_i
  raise 'token expired' if now > exp

  env['email'] = env['jwt.payload']['email']
end

.decode(token, secret, verify, options) ⇒ Object 



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# File 'app/openbel/api/middleware/auth.rb', line 11

def self.decode(token, secret, verify, options)
  ::JWT.decode(token, secret, verify, options)
end

.encode(payload, secret) ⇒ Object 



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# File 'app/openbel/api/middleware/auth.rb', line 7

def self.encode(payload, secret)
  ::JWT.encode(payload, secret, 'HS256')
end