authdb

type UserContext struct {
	Database string   `json:"db,omitempty"`
	Name     string   `json:"name"`
	Roles    []string `json:"roles"`
	// Salt is needed to calculate cookie tokens.
	Salt string `json:"-"`
}

type UserStore interface {
	// Validate returns a user context object if the credentials are valid. An
	// error must be returned otherwise. A Not Found error must not be returned.
	// Not Found should be treated identically to Unauthorized.
	Validate(ctx context.Context, username, password string) (user *UserContext, err error)
	// UserCtx returns a user context object if the user exists. It is used by
	// AuthHandlers that don't validate the password (e.g. Cookie auth).
	UserCtx(ctx context.Context, username string) (user *UserContext, err error)
}