Class: Zokor::Config

Inherits:
Object
  • Object
show all
Defined in:
lib/zokor/config.rb

Constant Summary collapse

DEFAULT_CONFIG_DIR = 
File.join(File.expand_path('~'), '.config', 'zokor')

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(config_dir = nil) ⇒ Config

Returns a new instance of Config.

Parameters:

  • config_dir (String) (defaults to: nil) —

    (DEFAULT_CONFIG_DIR)



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# File 'lib/zokor/config.rb', line 14

def initialize(config_dir=nil)
  @config_dir = config_dir || DEFAULT_CONFIG_DIR
end

Instance Attribute Details

#config_dir ⇒ Object (readonly)

Returns the value of attribute config_dir.



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# File 'lib/zokor/config.rb', line 11

def config_dir
  @config_dir
end

Instance Method Details

#config_file(name) ⇒ Object 



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# File 'lib/zokor/config.rb', line 29

def config_file(name)
  File.join(config_dir, name)
end

#config_yaml_file ⇒ Object 



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# File 'lib/zokor/config.rb', line 25

def config_yaml_file
  config_file('zokor.yaml')
end

#create_client_keypair(key_file, csr_file) ⇒ Object

Parameters:

  • key_file (String) —

    Key filename

  • csr_file (String) —

    CSR filename



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# File 'lib/zokor/config.rb', line 119

def create_client_keypair(key_file, csr_file)
  log.info('Generating SSL/TLS key and certificate request')

  key = generate_rsa_key
  File.open(key_file, File::WRONLY|File::CREAT|File::EXCL, 0600) do |f|
    f.write(key.to_s)
  end

  log.info("Wrote key to #{key_file.inspect}")

  csr = generate_csr(key, user_address)
  csr.to_s

  File.write(csr_file, csr.to_s)

  log.info("Wrote request to #{csr_file.inspect}")

  log.warn('Certificate request follows:')

  puts csr.to_s

  log.warn('Please send the above certificate request.')

  return true
end

#init_config(remote_host, remote_port, local_host: '127.0.0.1', local_port: 8080) ⇒ Object 



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# File 'lib/zokor/config.rb', line 82

def init_config(remote_host, remote_port,
                local_host: '127.0.0.1', local_port: 8080)
  unless Dir.exist?(config_dir)
    log.info("mkdir #{config_dir}")
    FileUtils.mkdir_p(config_dir)
  end

  path = config_yaml_file

  if File.exist?(path)
    log.warn('Config file already exists: ' + path)
    return false
  end

  data = {
    use_ssl: true,
    ssl_opts: {
      ca_file: :builtin,
      cert_file: config_file('client.crt'),
      key_file: config_file('client.key'),
    },
    local_host: local_host,
    local_port: local_port,
    remote_host: remote_host,
    remote_port: remote_port,
  }

  log.info('Initializing config: ' + YAML.dump(data))

  File.write(path, YAML.dump(data))

  create_client_keypair(config_file('client.key'),
                        config_file('client.csr'))
end

#interactive_init(opts) ⇒ Object 



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# File 'lib/zokor/config.rb', line 69

def interactive_init(opts)
  unless opts[:remote_host]
    log.error('Please pass --ext-host')
    return false
  end
  unless opts[:remote_port]
    log.error('Please pass --ext-port')
    return false
  end

  init_config(opts.fetch(:remote_host), opts.fetch(:remote_port))
end

#interactive_install_cert(filename = 'client.crt') ⇒ Object 



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# File 'lib/zokor/config.rb', line 33

def interactive_install_cert(filename='client.crt')
  path = config_file(filename)
  log.debug('Will install certificate to ' + path.inspect)
  puts 'Please paste your certificate now from -----BEGIN CERTIFICATE-----'

  cert_data = ''

  in_cert = false
  while line = STDIN.gets
    next if line.strip.empty?

    # check for begin marker
    if !in_cert
      if line.strip == '-----BEGIN CERTIFICATE-----'
        in_cert = true
      else
        log.warn "Certificate should start with: -----BEGIN CERTIFICATE-----"
        return false
      end
    end

    cert_data << line

    # end
    break if line.strip == '-----END CERTIFICATE-----'
  end

  File.open(path, File::WRONLY|File::CREAT|File::EXCL, 0644) do |f|
    f.write(cert_data)
  end

  log.info("Saved certificate to #{path.inspect}")

  path
end

#load_config(filename = nil) ⇒ Object 



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# File 'lib/zokor/config.rb', line 18

def load_config(filename=nil)
  filename ||= config_yaml_file
  ret = YAML.load_file(filename)
  log.info("Read config from #{filename.inspect}")
  ret
end