strategy

type Strategies []Strategy

type Strategy interface {
	// Name returns a unique lowercase alpha string naming the Strategy. This will
	// be passed around as the "provider" parameter.
	Name() string

	// Match determines from the found profile whether this Strategy can be used.
	Match(profile *url.URL) bool

	// Redirect returns the URL to redirect the user to begin the authentication flow.
	Redirect(me, profile string) (redirectURL string, err error)

	// Callback handles the user's return from the 3rd party auth provider. It
	// returns the profile URL for the authenticated user, hopefully matching the
	// rel="me" link earlier. If it does not match then the user who authenticated
	// with the OAuth provider is different to the user attempting to authenticate
	// with relme-auth.
	Callback(form url.Values) (string, error)
}