from: https://github.com/bridgeutopia/smart_devnet_lite/blob/master/lib/smart_devnet_lite.rb

gistfile1.rb

class SmartDevnetLite

  URL = "https://npwifi.smart.com.ph/1/smsmessaging/outbound/%s/requests"

  attr :url
  attr :headers
  attr :access_code
  attr :path_to_cert

  def initialize(sp_id, sp_password, nonce, created_at, access_code, sp_service_id, path_to_cert)
    @access_code = access_code
    @url = URL % access_code
    @path_to_cert = path_to_cert

    @headers = [%{'Content-Type: application/json'},
      %{'Accept: application/json'},
      %{'Authorization: WSSE realm="SDP",profile="UsernameToken"'},
      %{'X-WSSE: UsernameToken Username="#{sp_id}",PasswordDigest="#{sp_password}",Nonce="#{nonce}", Created="#{created_at}"'},
      %{'X-RequestHeader: request TransId="", ServiceId="#{sp_service_id}"'} ].map { |h| h.insert(0, '-H ')}.join(" ")
  end

  def self.connect(options={})
    sp_id = options[:sp_id]
    sp_password = options[:sp_password]
    nonce = options[:nonce]
    created_at = options[:created_at]
    access_code = options[:access_code]
    sp_service_id = options[:sp_service_id]
    path_to_cert = options[:path_to_cert]
    @current = new(sp_id, sp_password, nonce, created_at, access_code, sp_service_id, path_to_cert)
  end

  def self.current
    @current || raise(RuntimeError, 'No connections to SMART Devnet API.')
  end

  def send_sms(mobile_number, message)
    request = %{'{"outboundSMSMessageRequest": { "address":["tel:#{mobile_number}"], "senderAddress":"#{access_code}", "outboundSMSTextMessage":{"message": "#{message}" }}}'}
    send_request = post(request)
    success?(send_request) || raise(RuntimeError, send_request)
  end

  def success?(request)
    request[:code].include?("201 Created") ? request : false
  end

  private

  def post(request)
    response = `curl --capath #{path_to_cert} -i #{headers} -X POST -d #{request} #{url}`
    { code: clean(response.split(/\n{/).first.split(/\n/).first.gsub('HTTP/1.1', '')), full_response: response, body: clean(response.split(/\n{/).last)}
  end

  def clean(s)
    s.strip.gsub(/\"|\n|\r|\t/, '')
  end

end