jwt/signing_method.go

27 lines
571 B
Go

package jwt
import (
"fmt"
"errors"
)
var signingMethods = map[string]func() SigningMethod{}
// Signing method
type SigningMethod interface {
Verify(signingString, signature string, key []byte)error
Sign(token *Token, key []byte)error
}
func RegisterSigningMethod(alg string, f func() SigningMethod) {
signingMethods[alg] = f
}
func GetSigningMethod(alg string)(method SigningMethod, err error) {
if methodF, ok := signingMethods[alg]; ok {
method = methodF()
} else {
err = errors.New(fmt.Sprintf("Invalid signing method (alg): %v", method))
}
return
}