GoogleAuth::Credential

AUDIENCE = "https://oauth2.googleapis.com/token"

DEFAULT_USER_AGENT = "Google on Crystal"

EXPIRY = 60.seconds

GRANT_TYPE = "urn:ietf:params:oauth:grant-type:jwt-bearer"

SIGNING_ALGORITHM = JWT::Algorithm::RS256

SKEW_SECONDS = 3600.seconds

TOKEN_PATH = "https://oauth2.googleapis.com/token"

TOKENS_CACHE = {} of String => Token

new(issuer : String, signing_key : String, key_id : String, scopes : String | Array(String), sub : String = "", token_path : String = TOKEN_PATH, audience : String = AUDIENCE, user_agent : String = DEFAULT_USER_AGENT)

audience=(audience : String)

issuer=(issuer : String)

key_id=(key_id : String)

signing_key=(signing_key : String)

token_path=(token_path : String)

user_agent=(user_agent : String)