February 2013
Intermediate to advanced
380 pages
7h 45m
Japanese
Content preview from Nodeクックブック
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232
7 章 セキュリティ、暗号化、認証
タを暗号化する方法を実装します。これらの手段で認証されたユーザがブラウザのセキュリティモ
デルを利用した攻撃の被害者にされないためのテクニックも本章で学びます。
レシピ
7.1
ベーシック認証を実装する
ベーシック認証は、
1990
年代から使われている最もシンプルなユーザログインの仕組みです。
しかし、
HTTP
上ではブラウザとサーバの間でパスワードがプレーンテキストでやりとりされて
しまうため、安全な認証手段とは言えません。
ベーシック認証については
http://ja.wikipedia.org/wiki/Basic
認証を参照してください。
しかしながら、
SSL
（
HTTPS
）と組み合わせて利用した場合には経路上のやりとりが暗号化さ
れます。ログインフォームのカスタマイズが必要ではない場合には、有用な認証方式です。
SSL/TLS（HTTPS）についてはレシピ 7.4 で紹介します。一般的な SSL/TLS の仕組みなどに
ついては
http://ja.wikipedia.org/wiki/Transport_Layer_Security
を参照してください。
本レシピでは、ベーシック認証をプレーンな（
SSL
を使わない）
HTTP
上で動作させる方法を
学びます。本レシピのコードを
HTTPS
サーバで動作させる方法はレシピ
7.4
およびミニレシピ
7.4.2
を、ベーシック認証の進化型（ダイジェスト認証）についてはレシピ
7.3
を参照してくださ
い。
準備
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.