January 2024
Intermediate to advanced
520 pages
12h 28m
Japanese
Content preview from 徹底攻略AWS認定デベロッパー - アソシエイト教科書＆問題集 第2版 ［DVA-C02］対応
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53
2-1 Amazon API Gateway
APIGatewayを利用する上で押さえておきたい重要な機能を解説します。
●認証・認可
Amazon API Gatewayで認証や認可の仕組みを実装する場合は、下記の方法か
ら選択することができます。
●
IAMアクセス権限
REST WebSocket HTTP
IAMアクセス権限では、AWS署名バージョン4を利用した認証と認可を行います。
AWS署名バージョン4は、IAMユーザのアクセスキー（アクセスキーIDとシークレッ
トアクセスキー）をもとに作成したハッシュ値です。クライアントは、このハッシュ
値をHTTPリクエストヘッダにセットして、API
Ga
tewayにリクエストを送信しま
す。API
G
atewayでハッシュ値の検証を行い、問題がなければAPIの呼び出しが許
可されます。
●
Lambdaオーソライザ
REST WebSocket HTTP
Lambdaオーソライザでは、Lambda関数を利用した認証と認可を行います。
クライアントは、API Gatewayに対してBearerトークンもしくはHTTPリクエ
ストヘッダのパラメータに認証情報を付与したリクエストを送付します。Lambda
関数がトークンの検証を行い、認証に成功するとLambda関数からIAMポリシーと
プリンシパルIDを含むオブジェクトを返却します。API
G
atewayがIAMポリシー
の評価を行い、問題がなければAPIの呼び出しが許可されます。オーソライザの設 ...
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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.