Sha256: be78708cea91270a438c3a5fe6144bc1ea7040f88ae65009ffee21f717f28780

Contents?: true

Size: 1.66 KB

Versions: 25

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Stored size: 1.66 KB

Contents

# frozen_string_literal: true

require 'ipaddr'

module Dyndnsd
  class Helper
    # @param hostname [String]
    # @param domain [String]
    # @return [Boolean]
    def self.fqdn_valid?(hostname, domain)
      return false if hostname.length < domain.length + 2
      return false if !hostname.end_with?(domain)
      name = hostname.chomp(domain)
      return false if !name.match(/^[a-zA-Z0-9_-]+\.$/)
      true
    end

    # @param ip [String]
    # @return [Boolean]
    def self.ip_valid?(ip)
      IPAddr.new(ip)
      true
    rescue ArgumentError
      false
    end

    # @param username [String]
    # @param password [String]
    # @param users [Hash]
    # @return [Boolean]
    def self.user_allowed?(username, password, users)
      (users.key? username) && (users[username]['password'] == password)
    end

    # @param hostname [String]
    # @param myips [Array]
    # @param hosts [Hash]
    # @return [Boolean]
    def self.changed?(hostname, myips, hosts)
      # myips order is always deterministic
      ((!hosts.include? hostname) || (hosts[hostname] != myips)) && !myips.empty?
    end

    # @param operation [String]
    # @param block [Proc]
    # @return [void]
    def self.span(operation, &block)
      tracer = OpenTelemetry.tracer_provider.tracer(Dyndnsd.name, Dyndnsd::VERSION)
      tracer.in_span(
        operation,
        attributes: {'component' => 'dyndnsd'},
        kind: :server
      ) do |span|
        Dyndnsd.logger.debug "Creating span ID #{span.context.hex_span_id} for trace ID #{span.context.hex_trace_id}"
        block.call(span)
      rescue StandardError => e
        span.record_exception(e)
        raise e
      end
    end
  end
end

Version data entries

25 entries across 25 versions & 1 rubygems

Version Path
dyndnsd-3.10.0 lib/dyndnsd/helper.rb
dyndnsd-3.9.2 lib/dyndnsd/helper.rb
dyndnsd-3.9.1 lib/dyndnsd/helper.rb
dyndnsd-3.9.0 lib/dyndnsd/helper.rb
dyndnsd-3.8.2 lib/dyndnsd/helper.rb
dyndnsd-3.8.1 lib/dyndnsd/helper.rb
dyndnsd-3.8.0 lib/dyndnsd/helper.rb
dyndnsd-3.7.3 lib/dyndnsd/helper.rb
dyndnsd-3.7.2 lib/dyndnsd/helper.rb
dyndnsd-3.7.1 lib/dyndnsd/helper.rb
dyndnsd-3.7.0 lib/dyndnsd/helper.rb
dyndnsd-3.6.2 lib/dyndnsd/helper.rb
dyndnsd-3.6.1 lib/dyndnsd/helper.rb
dyndnsd-3.6.0 lib/dyndnsd/helper.rb
dyndnsd-3.5.3 lib/dyndnsd/helper.rb
dyndnsd-3.5.2 lib/dyndnsd/helper.rb
dyndnsd-3.5.1 lib/dyndnsd/helper.rb
dyndnsd-3.5.0 lib/dyndnsd/helper.rb
dyndnsd-3.4.8 lib/dyndnsd/helper.rb
dyndnsd-3.4.7 lib/dyndnsd/helper.rb