February 2013
Intermediate to advanced
380 pages
7h 45m
Japanese
Content preview from Nodeクックブック
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123
レシピ 4.7 CouchDB Changes Stream に Cradle で接続する
cradle
モジュールは、
db.save
に渡される
_design
ドキュメントをすべて
view
であると解釈
し、
view
として保存します。これを避けるために、
views
プロパティに空のオブジェクトを設定
しておきます。
validate_update_doc
の値には、文字列に変換した関数を渡されなければなりません。そのた
め、
admin_lock
変数を
toString
メソッドで文字列に変換して
db.save
に渡します。
admin_lock
は
Node
で実行される関数ではありませんが、
CouchDB
に渡す関数を構築するた
めのアプローチです。
データベース操作が起きた場合、
admin_lock
関数（
validate_update_doc
関数として
CouchDB
に渡されています）が
CouchDB
に対して、リクエストを送信したユーザが
_admin
ユーザかどう
かを確認します。もし
_admin
でない場合、不正なアクセスとしてエラーを
throw
し、接続を拒否
します。
CouchDB の HTTP インタフェースをリモートクライアントに公開する
CouchDB はデフォルトで
127.0.0.1
にバインドします。ローカル接続を通してのみデータベースにアク
セスできるようにしておいて、ローカル以外にデータベースを公開する前にセキュリティ対策を実装するこ
とができます。
HTTPS を使い、管理者ユーザアカウントを最低 1
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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.