Simple wrapper for using Alidayu API. Works with Alidayu till 2017.6

alidayu.rb

# encoding: utf-8
module VendorSvc
  class Alidayu
    def initialize(options)
      @app_key = AppConfig.alidayu_settings['app_key']
      @app_secret = AppConfig.alidayu_settings['app_secret']
      @svc_gateway = AppConfig.alidayu_settings['svc_gateway_https']
      @sms_template = options[:sms_template]
      @sms_sign = options[:sms_sign]
      @app_product_name = options[:app_product_name] || AppConfig.alidayu_settings['app_product_name']
      @params = { app_key: @app_key,
                  v: '2.0',
                  sign_method: 'md5',
                  format: 'json' }

      @conn = Faraday.new(url: "https://#{@svc_gateway}") do |faraday|
        faraday.request :url_encoded
        faraday.response :logger
        faraday.adapter Faraday.default_adapter
      end
    end

    def send_sms(reciever, params = {})
      Timeout::timeout(3) do
        temp_content_json_str = params.merge(product: @app_product_name).to_json
        request_params = @params.merge(method: 'alibaba.aliqin.fc.sms.num.send',
                                       timestamp: current_time_for_aliyun,
                                       sms_type: 'normal',
                                       sms_free_sign_name: @sms_sign,
                                       sms_template_code: @sms_template,
                                       rec_num: reciever.to_s,
                                       sms_param: temp_content_json_str)
        signed_str = sign(request_params)
        request_params[:sign] = signed_str
        result = JSON.parse(@conn.post('', request_params).body)
        if result['alibaba_aliqin_fc_sms_num_send_response'].present?
          result = result['alibaba_aliqin_fc_sms_num_send_response']
          raise result['result']['err_code'] if !result['result']['success']
          return [result['result']['success'], result['result']['err_code']]
        else
          raise result['error_response']['sub_code']
        end
      end
    end

    def send_verification_code(code, reciever)
      send_sms(reciever, { code: code })
    end

    private

    # format should be yyyy-MM-dd HH:mm:ss，timezone is always GMT+8
    def current_time_for_aliyun
      Time.now.in_time_zone('Beijing').strftime('%F %T')
    end

    def sign(params)
      sorted_keys = params.keys.sort
      tmp_txt = @app_secret.dup
      sorted_keys.each { |k| tmp_txt << k.to_s << params[k].to_s }
      tmp_txt << @app_secret
      Digest::MD5.hexdigest(tmp_txt).upcase
    end
  end
end