Module: MachineID

Defined in:
lib/machineid.rb,
lib/machineid/version.rb

Constant Summary collapse

VERSION = 
'1.0.2'

Class Method Summary collapse

Class Method Details

.bsd? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/machineid.rb', line 14

def bsd?
  self.host_os =~ /bsd/
end

.expose?(result) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/machineid.rb', line 57

def expose?(result)
  if self.mac?
    result.split('IOPlatformUUID')[1].split("\n")[0].gsub(/\=|\s+|\"/i, '')
  elsif self.windows?
    result.split('REG_SZ')[1].gsub(/\r+|\n+|\s+/i, '')
  elsif self.linux?
    result.gsub(/\r+|\n+|\s+/i, '')
  elsif self.bsd?
    result.gsub(/\r+|\n+|\s+/i, '')
  else
    'Platform not supported. Please report your platform and architecture in a new Github issue'
    exit(1)
  end
end

.getCommand ⇒ Object 



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# File 'lib/machineid.rb', line 49

def getCommand
  return 'ioreg -rd1 -c IOPlatformExpertDevice' if self.mac?
  return self.windowCmd if self.mac?
  return 'kenv -q smbios.system.uuid || sysctl -n kern.hostuuid' if self.bsd?
  return '( cat /var/lib/dbus/machine-id /etc/machine-id 2> /dev/null || hostname ) | head -n 1 || :' if self.linux?

end

.getMachineId?(original = false) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/machineid.rb', line 72

def getMachineId?(original = false)
  cmd = self.getCommand
  result = self.expose?(`#{cmd}`)
  return result if original == true
  self.hash?(result.downcase)
end

.hash?(guid) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/machineid.rb', line 39

def hash?(guid)
  Digest::SHA256.hexdigest(guid)
end

.host_os ⇒ Object 



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# File 'lib/machineid.rb', line 6

def host_os
  RbConfig::CONFIG['host_os']
end

.ID?(original = false) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/machineid.rb', line 35

def ID?(original = false)
  self.getMachineId?(original)
end

.linux? ⇒ Boolean

Returns:

  • (Boolean) 


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

def linux?
  self.host_os =~ /linux|cygwin/
end

.mac? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/machineid.rb', line 22

def mac?
  self.host_os =~ /mac|darwin/
end

.unix? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/machineid.rb', line 26

def unix?
  self.host_os =~ /mswin|mingw/
end

.windowCmd ⇒ Object 



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# File 'lib/machineid.rb', line 43

def windowCmd
  cmd = '\\REG.exe QUERY HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Cryptography /v MachineGuid'
  return cmd if self.win64?
  return "%windir%\\System32#{cmd}"
end

.windows64? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/machineid.rb', line 18

def windows64?
  self.windows? && (/x64/ =~ self.host_os) != nil
end

.windows? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/machineid.rb', line 10

def windows?
    (/cygwin|mswin|mingw|bccwin|wince|emx/ =~ RUBY_PLATFORM) != nil
end