Class: Validators::ReservedSubdomains

Inherits:
Object
  • Object
show all
Defined in:
lib/validators/reserved_subdomains.rb

Constant Summary collapse

FILE_PATH = 
File.expand_path("../../data/reserved_subdomains.json", __dir__)

Class Method Summary collapse

Class Method Details

.all ⇒ Object 



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# File 'lib/validators/reserved_subdomains.rb', line 13

def self.all
  @all ||= JSON
           .parse(File.read(FILE_PATH))
           .map {|matcher| parse(matcher) }
end

.match?(matcher, hostname) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/validators/reserved_subdomains.rb', line 38

def self.match?(matcher, hostname)
  case matcher
  when String
    matcher == hostname
  when Regexp
    hostname =~ matcher
  else
    raise "Unknown matcher type: #{matcher.class}"
  end
end

.match_any?(matchers, hostname) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/validators/reserved_subdomains.rb', line 29

def self.match_any?(matchers, hostname)
  hostname = normalize(hostname)
  matchers.any? {|matcher| match?(matcher, hostname) }
end

.normalize(hostname) ⇒ Object 



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# File 'lib/validators/reserved_subdomains.rb', line 34

def self.normalize(hostname)
  hostname.downcase.gsub(/[_-]/, "")
end

.parse(matcher) ⇒ Object 



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# File 'lib/validators/reserved_subdomains.rb', line 19

def self.parse(matcher)
  return matcher unless matcher.start_with?("/")

  Regexp.compile(matcher[%r{/(.*?)/}, 1])
end

.parse_list(matchers) ⇒ Object 



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# File 'lib/validators/reserved_subdomains.rb', line 25

def self.parse_list(matchers)
  matchers.map {|matcher| parse(matcher) }
end

.reserved?(hostname, matchers = nil) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/validators/reserved_subdomains.rb', line 7

def self.reserved?(hostname, matchers = nil)
  matchers = parse_list(matchers) if matchers
  matchers ||= all
  match_any?(matchers, hostname)
end