prey/prey-node-client

var exec   = require('child_process').exec,
    si     = require('systeminformation'),
    system = require('./../../../system/mac/index'),
    common = require('./../../../common'),
    logger = common.logger.prefix('hardware-mac');

var ram_vendors = {
  '0x014F': 'Transcend Information',
  '0x2C00': 'Micron Technology, Inc.',
  '0x802C': 'Micron Technology, Inc.',
  '0x80AD': 'Hynix Semiconductor Inc.',
  '0x80CE': 'Samsung Electronics, Inc.',
  '0xAD00': 'Hynix Semiconductor Inc.',
  '0xCE00': 'Samsung Electronics, Inc.'
}

exports.get_firmware_info = function(callback) {

  get_system_profiler_data('SPHardwareDataType', function(err, sp_data){
    if (err) return callback(err);

    var data = {
      device_type   : sp_data.model_name.indexOf('Book') === -1 ? 'Desktop' : 'Laptop',
      model_name    : sp_data.model_name,
      // model_identifier: sp_data.model_identifier,
      vendor_name   : 'Apple',
      bios_vendor   : 'Apple',
      bios_version  : sp_data.boot_rom_version,
      // mb_vendor: 'Apple', // Foxconn / Intel
      mb_version    : (system.is_m1_or_m2())?system.get_info_chip():sp_data['smc_version_(system)'],
      serial_number : sp_data['serial_number_(system)'],
      uuid          : sp_data.hardware_uuid
    }

    callback(null, data);
  })

}

exports.get_processor_info = system.get_processor_info;//////////////

exports.get_ram_module_list = function(cb) {

  var list = [];

  if (system.is_m1_or_m2()) {

    si.mem((stdoutsi) => {
      
      list.push({
        bank   : 'Bank 0',
        size   :(stdoutsi.total / 1024 )/ 1024,
        speed  : null,
        vendor :  'Unknown',
        memory_type   : null,
        serial_number : null
      });
      
      cb(null, list);

    })
    
  }
  else{
    call_system_profiler('SPMemoryDataType', function(err, out) {
  
      if (err) return cb(err);
      
      out.toString().split('BANK').forEach(function(block) {
  
        if (!block.match("Size")) return;
        
        var parts = block.split('\n\n'),
            obj   = parse_system_profiler_properties(parts[1]);
            
        list.push({
          bank   : 'Bank' + parts[0],
          size   : parseInt(obj.size) * 1024,
          speed  : parseInt(obj.speed),
          // status : obj.status,
          vendor : ram_vendors[obj.manufacturer] || 'Unknown',
          memory_type   : obj.type,
          // part_number   : obj.part_number,
          serial_number : obj.serial_number
        });
      });
  
      cb(null, list);
    })
  }  
}

/////////////////////////////////////////////////////////////////
// helper functions
/////////////////////////////////////////////////////////////////

var call_system_profiler = function(type, cb) {
  var cmd = '/usr/sbin/system_profiler ' + type;
  exec(cmd, cb);
}

var parse_system_profiler_properties = function(str) {
  var obj = {};
  
  str.toString().split('\n').forEach(function(line, i) {

    if (line != '') {
      var split = line.split(': '),
          key = split[0].trim().toLowerCase().replace(/\s/g, '_'),
          val = (split[1] || '').replace(/'/g, '');

      obj[key] = val;
    }

  })

  return obj;
}

var get_system_profiler_data = function(type, cb) {

  call_system_profiler(type, function(err, stdout) {
    if (err) return cb(err);
    
    var obj = parse_system_profiler_properties(stdout);
    cb(null, obj);
  });

}

exports.get_prey_user_version = function(cb) {
  system.get_prey_user_version((err, prey_user_version) => {
    if (err) return cb(err);
    try {
      return cb(null, prey_user_version);
    } catch(e) {
      return cb(new Error("Error:" + e.message));
    }
  });
};