micro/auth/jwt/jwt.go
2020-04-29 09:22:15 +01:00

82 lines
1.7 KiB
Go

package jwt
import (
"errors"
"github.com/micro/go-micro/v2/auth"
"github.com/micro/go-micro/v2/auth/token"
jwtToken "github.com/micro/go-micro/v2/auth/token/jwt"
)
// NewAuth returns a new instance of the Auth service
func NewAuth(opts ...auth.Option) auth.Auth {
j := new(jwt)
j.Init(opts...)
return j
}
type jwt struct {
options auth.Options
jwt token.Provider
}
func (j *jwt) String() string {
return "jwt"
}
func (j *jwt) Init(opts ...auth.Option) {
for _, o := range opts {
o(&j.options)
}
j.jwt = jwtToken.NewTokenProvider(
token.WithPrivateKey(j.options.PublicKey),
token.WithPublicKey(j.options.PublicKey),
)
}
func (j *jwt) Options() auth.Options {
return j.options
}
func (j *jwt) Generate(id string, opts ...auth.GenerateOption) (*auth.Account, error) {
return nil, errors.New("JWT does not support Generate, use the Token method")
}
func (j *jwt) Grant(role string, res *auth.Resource) error {
return errors.New("JWT does not support Grant")
}
func (j *jwt) Revoke(role string, res *auth.Resource) error {
return errors.New("JWT does not support Revoke")
}
func (j *jwt) Verify(acc *auth.Account, res *auth.Resource) error {
if acc == nil {
return auth.ErrForbidden
}
return nil
}
func (j *jwt) Inspect(token string) (*auth.Account, error) {
return j.jwt.Inspect(token)
}
func (j *jwt) Token(opts ...auth.TokenOption) (*auth.Token, error) {
options := auth.NewTokenOptions(opts...)
account := &auth.Account{
ID: options.ID,
}
tok, err := j.jwt.Generate(account, token.WithExpiry(options.Expiry))
if err != nil {
return nil, err
}
return &auth.Token{
Created: tok.Created,
Expiry: tok.Expiry,
AccessToken: tok.Token,
}, nil
}