Package as Ruby gem

.gitignore

@@ -2,3 +2,5 @@
 node_modules
 npm-*.log
 compare.js
+*.gem
+Gemfile.lock

Gemfile

@@ -0,0 +1,3 @@
+source 'https://rubygems.org'
+
+gemspec

README.md

@@ -62,6 +62,20 @@ if(!MailChecker('myemail.com')){
 }
 ```
 
+### Ruby
+
+```ruby
+require 'mail_checker'
+
+unless MailChecker('myemail@yopmail.com')
+  fail('O RLY!')
+end
+
+unless MailChecker.valid?('myemail@yopmail.com')
+  fail('O RLY!')
+end
+```
+
 --------------------
 
 
@@ -72,6 +86,11 @@ NodeJS/JavaScript
 npm install mailchecker
 ```
 
+Ruby
+```bash
+gem install mail_checker
+```
+
 __We accept pull-requests for other package manager__.
 
 ## Data sources

mail_checker.gemspec

@@ -0,0 +1,15 @@
+# coding: utf-8
+Gem::Specification.new do |spec|
+  spec.name          = 'mail_checker'
+  spec.version       = '0.1.0'
+  spec.authors       = ['Francois-Guillaume Ribreau', 'Jacob Burenstam']
+  spec.email         = ['github@fgribreau.com']
+
+  spec.summary       = 'Temporary (disposable/throwaway) email detection library. Covers 1979 fake email providers.'
+  spec.description   = 'Cross-language temporary (disposable/throwaway) email detection library. Covers 1979 fake email providers. http://twitter.com/FGRibreau'
+  spec.homepage      = 'https://github.com/FGRibreau/mailchecker'
+  spec.license       = 'MIT'
+
+  spec.files         = ['platform/ruby/mail_checker.rb']
+  spec.require_paths = ['platform/ruby']
+end

platform/ruby/mail_checker.rb

@@ -1,7 +1,6 @@
 require 'set'
-require 'uri'
 
-class MailCheckerImpl
+module MailChecker
   # Based on PHP FILTER_VALIDATE_EMAIL
   # See https://fightingforalostcause.net/content/misc/2006/compare-email-regex.php
   EMAIL_REGEX = /^(?!(?:(?:\x22?\x5C[\x00-\x7E]\x22?)|(?:\x22?[^\x5C\x22]\x22?)){255,})(?!(?:(?:\x22?\x5C[\x00-\x7E]\x22?)|(?:\x22?[^\x5C\x22]\x22?)){65,}@)(?:(?:[\x21\x23-\x27\x2A\x2B\x2D\x2F-\x39\x3D\x3F\x5E-\x7E]+)|(?:\x22(?:[\x01-\x08\x0B\x0C\x0E-\x1F\x21\x23-\x5B\x5D-\x7F]|(?:\x5C[\x00-\x7F]))*\x22))(?:\.(?:(?:[\x21\x23-\x27\x2A\x2B\x2D\x2F-\x39\x3D\x3F\x5E-\x7E]+)|(?:\x22(?:[\x01-\x08\x0B\x0C\x0E-\x1F\x21\x23-\x5B\x5D-\x7F]|(?:\x5C[\x00-\x7F]))*\x22)))*@(?:(?:(?!.*[^.]{64,})(?:(?:(?:xn--)?[a-z0-9]+(?:-[a-z0-9]+)*\.){1,126}){1,}(?:(?:[a-z][a-z0-9]*)|(?:(?:xn--)[a-z0-9]+))(?:-[a-z0-9]+)*)|(?:\[(?:(?:IPv6:(?:(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){7})|(?:(?!(?:.*[a-f0-9][:\]]){7,})(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){0,5})?::(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){0,5})?)))|(?:(?:IPv6:(?:(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){5}:)|(?:(?!(?:.*[a-f0-9]:){5,})(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){0,3})?::(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){0,3}:)?)))?(?:(?:25[0-5])|(?:2[0-4][0-9])|(?:1[0-9]{2})|(?:[1-9]?[0-9]))(?:\.(?:(?:25[0-5])|(?:2[0-4][0-9])|(?:1[0-9]{2})|(?:[1-9]?[0-9]))){3}))\]))$/i
@@ -10,7 +9,7 @@ class MailCheckerImpl
                 map(&:downcase).
                 to_set
 
-  def self.test(email)
+  def self.valid?(email)
     return false unless valid_email?(email)
 
     !BLACKLIST.include?(extract_domain(email))
@@ -24,10 +23,10 @@ def self.valid_email?(email)
 
   def self.extract_domain(email)
     domain = email.gsub(/.+@([^.]+)/, '\1').downcase
-    domain.split('.')[-2,2].join('.') # Don't include subdomains
+    domain.split('.')[-2, 2].join('.') # Don't include subdomains
   end
 end
 
 def MailChecker(email)
-  MailCheckerImpl.test(email)
+  MailChecker.valid?(email)
 end

platform/ruby/mail_checker.tmpl.rb

@@ -1,7 +1,6 @@
 require 'set'
-require 'uri'
 
-class MailCheckerImpl
+module MailChecker
   # Based on PHP FILTER_VALIDATE_EMAIL
   # See https://fightingforalostcause.net/content/misc/2006/compare-email-regex.php
   EMAIL_REGEX = /^(?!(?:(?:\x22?\x5C[\x00-\x7E]\x22?)|(?:\x22?[^\x5C\x22]\x22?)){255,})(?!(?:(?:\x22?\x5C[\x00-\x7E]\x22?)|(?:\x22?[^\x5C\x22]\x22?)){65,}@)(?:(?:[\x21\x23-\x27\x2A\x2B\x2D\x2F-\x39\x3D\x3F\x5E-\x7E]+)|(?:\x22(?:[\x01-\x08\x0B\x0C\x0E-\x1F\x21\x23-\x5B\x5D-\x7F]|(?:\x5C[\x00-\x7F]))*\x22))(?:\.(?:(?:[\x21\x23-\x27\x2A\x2B\x2D\x2F-\x39\x3D\x3F\x5E-\x7E]+)|(?:\x22(?:[\x01-\x08\x0B\x0C\x0E-\x1F\x21\x23-\x5B\x5D-\x7F]|(?:\x5C[\x00-\x7F]))*\x22)))*@(?:(?:(?!.*[^.]{64,})(?:(?:(?:xn--)?[a-z0-9]+(?:-[a-z0-9]+)*\.){1,126}){1,}(?:(?:[a-z][a-z0-9]*)|(?:(?:xn--)[a-z0-9]+))(?:-[a-z0-9]+)*)|(?:\[(?:(?:IPv6:(?:(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){7})|(?:(?!(?:.*[a-f0-9][:\]]){7,})(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){0,5})?::(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){0,5})?)))|(?:(?:IPv6:(?:(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){5}:)|(?:(?!(?:.*[a-f0-9]:){5,})(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){0,3})?::(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){0,3}:)?)))?(?:(?:25[0-5])|(?:2[0-4][0-9])|(?:1[0-9]{2})|(?:[1-9]?[0-9]))(?:\.(?:(?:25[0-5])|(?:2[0-4][0-9])|(?:1[0-9]{2})|(?:[1-9]?[0-9]))){3}))\]))$/i
@@ -10,7 +9,7 @@ class MailCheckerImpl
                 map(&:downcase).
                 to_set
 
-  def self.test(email)
+  def self.valid?(email)
     return false unless valid_email?(email)
 
     !BLACKLIST.include?(extract_domain(email))
@@ -24,10 +23,10 @@ def self.valid_email?(email)
 
   def self.extract_domain(email)
     domain = email.gsub(/.+@([^.]+)/, '\1').downcase
-    domain.split('.')[-2,2].join('.') # Don't include subdomains
+    domain.split('.')[-2, 2].join('.') # Don't include subdomains
   end
 end
 
 def MailChecker(email)
-  MailCheckerImpl.test(email)
+  MailChecker.valid?(email)
 end

test/platform.ruby.test.rb

@@ -32,4 +32,8 @@ def test_return_false_if_throwable_domain
     invalid!('ok@ok.33mail.com')
     invalid!('ok@guerrillamailblock.com')
   end
+
+  def test_can_be_called_as_regular_method
+    assert_equal MailChecker.valid?(nil), false
+  end
 end