class Dyndnsd::Helper
Public Class Methods
changed?(hostname, myips, hosts)
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@param hostname [String] @param myips [Array] @param hosts [Hash] @return [Boolean]
# File lib/dyndnsd/helper.rb, line 39 def self.changed?(hostname, myips, hosts) # myips order is always deterministic ((!hosts.include? hostname) || (hosts[hostname] != myips)) && !myips.empty? end
fqdn_valid?(hostname, domain)
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@param hostname [String] @param domain [String] @return [Boolean]
# File lib/dyndnsd/helper.rb, line 10 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
ip_valid?(ip)
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@param ip [String] @return [Boolean]
# File lib/dyndnsd/helper.rb, line 20 def self.ip_valid?(ip) IPAddr.new(ip) true rescue ArgumentError false end
span(operation, &block)
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@param operation [String] @param block [Proc] @return [void]
# File lib/dyndnsd/helper.rb, line 47 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
user_allowed?(username, password, users)
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@param username [String] @param password [String] @param users [Hash] @return [Boolean]
# File lib/dyndnsd/helper.rb, line 31 def self.user_allowed?(username, password, users) (users.key? username) && (users[username]['password'] == password) end