Group:  true,
			Quorum: 3,
		}
		lris = append(lris, lri)
		locksHeld[resource] = []lockRequesterInfo{lri}
	}

	// Add a few concurrent read locks to the mix
	for i := range 50 {
		resource := fmt.Sprintf("bucket/get-object-%d", i)
		lri := lockRequesterInfo{
			Name:   resource,
			UID:    mustGetUUID(),
			Owner:  owners[i%len(owners)],
			Quorum: 2,
		}

	retries := 0
	rpc := globalNotificationSys.restClientFromHash(pathJoin(o.Bucket, o.Prefix))

	const (
		retryDelay    = 50 * time.Millisecond
		retryDelay250 = 250 * time.Millisecond
	)

	for {
		if contextCanceled(ctx) {
			return entries, ctx.Err()
		}

		// If many failures, check the cache state.

0000000 50 4b 03 04 14 00 00 00 08 00 08 03 64 3c f9 f4
0000010 89 64 48 01 00 00 b8 01 00 00 07 00 00 00 72 2f
0000020 72 2e 7a 69 70 00 25 00 da ff 50 4b 03 04 14 00
0000030 00 00 08 00 08 03 64 3c f9 f4 89 64 48 01 00 00
0000040 b8 01 00 00 07 00 00 00 72 2f 72 2e 7a 69 70 00
0000050 2f 00 d0 ff 00 25 00 da ff 50 4b 03 04 14 00 00
0000060 00 08 00 08 03 64 3c f9 f4 89 64 48 01 00 00 b8
0000070 01 00 00 07 00 00 00 72 2f 72 2e 7a 69 70 00 2f

      "control" means (i) the power, direct or indirect, to cause the
      direction or management of such entity, whether by contract or
      otherwise, or (ii) ownership of fifty percent (50%) or more of the
      outstanding shares, or (iii) beneficial ownership of such entity.

      "You" (or "Your") shall mean an individual or Legal Entity
      exercising permissions granted by this License.

that entity. For the purposes of this definition, "control" means (i) the 
power, direct or indirect, to cause the direction or management of such 
entity, whether by contract or otherwise, or (ii) ownership of fifty percent 
(50%) or more of the outstanding shares, or (iii) beneficial ownership of 
such entity. 

"You" (or "Your") shall mean an individual or Legal Entity exercising 
permissions granted by this License. 

# セキュリティ入門

セキュリティ、認証、認可を扱うには多くの方法があります。

そして、通常、それは複雑で「難しい」トピックです。

多くのフレームワークやシステムでは、セキュリティと認証を処理するだけで、膨大な労力とコードが必要になります（多くの場合、書かれた全コードの50%以上を占めることがあります）。

**FastAPI** は、セキュリティの仕様をすべて勉強して学ぶことなく、標準的な方法で簡単に、迅速に**セキュリティ**を扱うためのツールをいくつか提供します。

しかし、その前に、いくつかの小さな概念を確認しましょう。

## お急ぎですか？

もし、これらの用語に興味がなく、ユーザー名とパスワードに基づく認証でセキュリティを**今すぐ**確保する必要がある場合は、次の章に進んでください。

## OAuth2

OAuth2は、認証と認可を処理するためのいくつかの方法を定義した仕様です。

      "control" means (i) the power, direct or indirect, to cause the
      direction or management of such entity, whether by contract or
      otherwise, or (ii) ownership of fifty percent (50%) or more of the
      outstanding shares, or (iii) beneficial ownership of such entity.

      "You" (or "Your") shall mean an individual or Legal Entity
      exercising permissions granted by this License.

      "control" means (i) the power, direct or indirect, to cause the
      direction or management of such entity, whether by contract or
      otherwise, or (ii) ownership of fifty percent (50%) or more of the
      outstanding shares, or (iii) beneficial ownership of such entity.

      "You" (or "Your") shall mean an individual or Legal Entity
      exercising permissions granted by this License.

      "control" means (i) the power, direct or indirect, to cause the
      direction or management of such entity, whether by contract or
      otherwise, or (ii) ownership of fifty percent (50%) or more of the
      outstanding shares, or (iii) beneficial ownership of such entity.

      "You" (or "Your") shall mean an individual or Legal Entity
      exercising permissions granted by this License.

      "control" means (i) the power, direct or indirect, to cause the
      direction or management of such entity, whether by contract or
      otherwise, or (ii) ownership of fifty percent (50%) or more of the
      outstanding shares, or (iii) beneficial ownership of such entity.

      "You" (or "Your") shall mean an individual or Legal Entity
      exercising permissions granted by this License.