/
jwt.go
36 lines (27 loc) · 810 Bytes
/
jwt.go
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package gateway
import (
"errors"
"github.com/dgrijalva/jwt-go"
"github.com/funkygao/golib/hack"
)
var errInvalidToken = errors.New("Invalid token")
func jwtToken(appid, secret string) (string, error) {
token := jwt.NewWithClaims(jwt.SigningMethodHS256, jwt.MapClaims{
"appid": appid,
})
// Sign and get the complete encoded token as a string using the secret
tokenString, err := token.SignedString(hack.Byte(secret))
if err != nil {
return "", err
}
return tokenString, nil
}
func tokenDecode(tokenString string) (appid string, err error) {
token, err := jwt.Parse(tokenString, func(token *jwt.Token) (interface{}, error) {
return "", nil
})
if claims, ok := token.Claims.(jwt.MapClaims); ok && token.Valid {
return claims["appid"].(string), nil
}
return "", errInvalidToken
}