CredentialsWrapper

Associative array

List of keys to check for in $arr

Returns $arr for fluent use

Associative array

List of keys to check for in $arr

Returns $arr for fluent use

A credentials loader used to fetch access tokens.

A handler used to deliver PSR-7 requests specifically for authentication. Should match a signature of function (RequestInterface $request, array $options) : ResponseInterface.

{ An array of optional arguments.

@type string|array $keyFile
      Credentials to be used. Accepts either a path to a credentials file, or a decoded
      credentials file as a PHP array. If this is not specified, application default
      credentials will be used.
@type string[] $scopes
      A string array of scopes to use when acquiring credentials.
@type callable $authHttpHandler
      A handler used to deliver PSR-7 requests specifically
      for authentication. Should match a signature of
      `function (RequestInterface $request, array $options) : ResponseInterface`.
@type bool $enableCaching
      Enable caching of access tokens. Defaults to true.
@type CacheItemPoolInterface $authCache
      A cache for storing access tokens. Defaults to a simple in memory implementation.
@type array $authCacheOptions
      Cache configuration options.
@type string $quotaProject
      Specifies a user project to bill for access charges associated with the request.
@type string[] $defaultScopes
      A string array of default scopes to use when acquiring
      credentials.
@type bool $useJwtAccessWithScope
      Ensures service account credentials use JWT Access (also known as self-signed
      JWTs), even when user-defined scopes are supplied.

}

The quota project associated with the credentials.

Bearer string containing access token.

optional audience for self-signed JWTs.

Callable function that returns an authorization header.