package s3_constants //Amazon S3 predefined groups var ( GranteeGroupAllUsers = "http://acs.amazonaws.com/groups/global/AllUsers" GranteeGroupAuthenticatedUsers = "http://acs.amazonaws.com/groups/global/AuthenticatedUsers" GranteeGroupLogDelivery = "http://acs.amazonaws.com/groups/s3/LogDelivery" ) func ValidateGroup(group string) bool { valid := true switch group { case GranteeGroupAllUsers: case GranteeGroupLogDelivery: case GranteeGroupAuthenticatedUsers: default: valid = false } return valid }