Module: Legion::Crypt::TLS

Extended by:
Logging::Helper
Defined in:
lib/legion/crypt/tls.rb

Constant Summary collapse

TLS_PORTS = 
{
  5671   => 'amqp',
  6380   => 'redis',
  11_207 => 'memcached'
}.freeze

Class Method Summary collapse

Class Method Details

.migrate_legacy(config) ⇒ Object 



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# File 'lib/legion/crypt/tls.rb', line 56

def migrate_legacy(config)
  config = symbolize_keys(config)
  return config unless config.key?(:use_tls) && !config.key?(:enabled)

  {
    enabled: config[:use_tls],
    verify:  config[:verify_peer] ? 'peer' : 'none',
    ca:      config[:ca_certs],
    cert:    config[:tls_cert],
    key:     config[:tls_key]
  }
end

.resolve(tls_config, port: nil) ⇒ Object 



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# File 'lib/legion/crypt/tls.rb', line 17

def resolve(tls_config, port: nil)
  config = symbolize_keys(migrate_legacy(tls_config || {}))

  enabled       = config[:enabled]
  auto_detected = false

  if enabled.nil? && port && TLS_PORTS.key?(port.to_i)
    enabled = true
    auto_detected = true
    log.warn("TLS auto-enabled for port #{port}")
  end

  enabled = false if enabled.nil?

  verify = normalize_verify(config[:verify])
  ca     = resolve_uri(config[:ca])
  cert   = resolve_uri(config[:cert])
  key    = resolve_uri(config[:key])

  if verify == :mutual && (cert.nil? || key.nil?)
    log.warn('TLS mutual requested but cert or key missing, downgrading to peer')
    verify = :peer
  end

  log.info "TLS resolved enabled=#{enabled} verify=#{verify} auto_detected=#{auto_detected}"

  {
    enabled:       enabled,
    verify:        verify,
    ca:            ca,
    cert:          cert,
    key:           key,
    auto_detected: auto_detected
  }
rescue StandardError => e
  handle_exception(e, level: :error, operation: 'crypt.tls.resolve', port: port)
  raise
end