Reference documentation and code samples for the Google Auth Library Client class IAMCredentials.
Authenticates requests using IAM credentials.
Namespace
Google \ Auth \ CredentialsMethods
__construct
Parameters
Name
Description
selector
string
the IAM selector
token
string
the IAM token
getUpdateMetadataFunc
export a callback function which updates runtime metadata.
Returns
Type
Description
callable
updateMetadata function
updateMetadata
Updates metadata with the appropriate header metadata.
Parameters
Name
Description
metadata
array
metadata hashmap
unusedAuthUri
string
optional auth uri
httpHandler
callable|null
callback which delivers psr7 request Note: this param is unused here, only included here for consistency with other credentials class
Returns
Type
Description
array
updated metadata hashmap
Constants
SELECTOR_KEY
Value: 'x-goog-iam-authority-selector'
TOKEN_KEY
Value: 'x-goog-iam-authorization-token'
