Reredos

Reredos is the email address validator, which is free from ReDoS Attack.

You can examine if an email address is based on RFC1035 and RFC5321.

Installation

Add this line to your application's Gemfile:

gem 'reredos'

And then execute:

$ bundle

Or install it yourself as:

$ gem install reredos

Usage

Reredos.valid_email?('user@example.com')
# => true

Reredos.valid_email?('user@@example.com')
# => false

Development

After checking out the repo, run bin/setup to install dependencies. Then, run rake spec to run the tests. You can also run bin/console for an interactive prompt that will allow you to experiment.

To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the version number in version.rb, and then run bundle exec rake release, which will create a git tag for the version, push git commits and tags, and push the .gem file to rubygems.org.

Contributing

Bug reports and pull requests are welcome on GitHub at https://github.com/expajp/reredos. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the Contributor Covenant code of conduct.

License

The gem is available as open source under the terms of the MIT License.

Code of Conduct

Everyone interacting in the Reredos project’s codebases, issue trackers, chat rooms and mailing lists is expected to follow the code of conduct.

Release Notes

0.1.3 - August 4, 2019

• Fixed bugs below:
  • it accepted consecutive dots
  • it accepted dots as first or last character of domain
• The limit for the number of characters of email address changes from 256 to 254

0.1.2 - July 29, 2019

• Fixed a bug, that it accepted dots as first or last character of username

0.1.1 - April 26, 2019

• Fixed a bug, that it accepted strings including new line

0.1.0 - April 24, 2019

• First Version