// --------  ------  ------- ---- ---------- ----- --------  ----
	//        0  Stored        0   0% 08-05-2021 18:32 00000000  /
	//        0  Stored        0   0% 09-14-2021 12:59 00000000  //
	//        0  Stored        0   0% 09-14-2021 12:59 00000000  \
	//       11  Stored       11   0% 09-14-2021 13:04 0d4a1185  /test.txt
	// --------          -------  ---                            -------

        * So, the user will have to log in again at some point later.
        * And if the token is stolen, the risk is less. It is not like a permanent key that will work forever (in most of the cases).
* The frontend stores that token temporarily somewhere.
* The user clicks in the frontend to go to another section of the frontend web app.
* The frontend needs to fetch some more data from the API.

)

// naughtyDisk wraps a POSIX disk and returns programmed errors
// specified by the developer. The purpose is to simulate errors
// that are hard to simulate in practice like DiskNotFound.
// Programmed errors are stored in errors field.
type naughtyDisk struct {
	// The real disk
	disk StorageAPI
	// Programmed errors: API call number => error to return
	errors map[int]error
	// The error to return when no error value is programmed

* API 密鑰，在：
    * 標頭（Header）
    * 查詢參數
    * Cookies，等等。

加上来自 Starlette（包括 **session cookie**）的所有安全特性。

所有的這些都是可重複使用的工具和套件，可以輕鬆與你的系統、資料儲存（Data Stores）、關聯式資料庫（RDBMS）以及非關聯式資料庫（NoSQL）等等整合。


### 依賴注入（Dependency Injection）

FastAPI 有一個使用簡單，但是非常強大的<abbr title='也叫做 "components", "resources", "services", "providers"'><strong>依賴注入</strong></abbr>系統。

	cache *metricsCache

	// managed values follow:

	// map of metric descriptors by metric name.
	descriptorMap map[MetricName]MetricDescriptor

	// For bucket metrics, the list of buckets is stored here. It is used in the
	// Collect() call. This is protected by the `bucketsLock`.
	bucketsLock sync.Mutex
	buckets     []string
}

// NewMetricsGroup creates a new MetricsGroup. To create a metrics group for

And be compatible with all of them at the same time.

///

Create a utility function to hash a password coming from the user.

And another utility to verify if a received password matches the hash stored.

And another one to authenticate and return a user.

{* ../../docs_src/security/tutorial004_an_py310.py hl[8,49,56:57,60:61,70:76] *}

/// note

	// to object (version) on the source tier.
	TransitionedObjName string `msg:"to"`
	// TransitionTier is the storage class label assigned to remote tier.
	TransitionTier string `msg:"tt"`
	// TransitionVersionID stores a version ID of the object associate
	// with the remote tier.
	TransitionVersionID string `msg:"tv"`
	// ExpireRestored indicates that the restored object is to be expired.
	ExpireRestored bool `msg:"exp"`

    /**
     * Gets the relative path for a locally installed artifact. Note that the artifact need not actually exist yet at
     * the returned location, the path merely indicates where the artifact would eventually be stored.
     * <p>
     * Shortcut for {@code getService(LocalArtifactManager.class).getPathForLocalArtitact(...)}.
     *
     * @param artifact the artifact for which to get a local path

func isDirectiveReplace(value string) bool {
	return value == replaceDirective
}

// userMetadataKeyPrefixes contains the prefixes of used-defined metadata keys.
// All values stored with a key starting with one of the following prefixes
// must be extracted from the header.
var userMetadataKeyPrefixes = []string{
	"x-amz-meta-",
	"x-minio-meta-",
}

		return nil, errSFTPUserHasNoPolicies
	}

	claims := make(map[string]any)
	for attribKey, attribValue := range lookupResult.Attributes {
		// we skip multi-value attributes here, as they cannot
		// be stored in the critical options.
		if len(attribValue) != 1 {
			continue
		}

		if attribKey == "sshPublicKey" && key != nil {
			key2, _, _, _, err := ssh.ParseAuthorizedKey([]byte(attribValue[0]))
			if err != nil {