様々なプロバイダーのログイン認証を手軽に実現するプラグイン。 公式リポジトリ https://github.com/intridea/omniauth 公式ドキュメント https://github.com/intridea/omniauth/wiki The Ruby Toolbox https://www.ruby-toolbox.com/projects/omniauth 参考ドキュメント 簡単なOmniAuth - ASCIIcasts Rails3.2.3 + omniauth-twitter New App - I can't change the world. インストール For GitHub Gemfileに、omniauth、omniauth-githubを記述する。
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