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user_jwt.go
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/
user_jwt.go
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package authorization
import (
"errors"
"fmt"
"log"
"github.com/litmuschaos/litmus/chaoscenter/graphql/server/utils"
"github.com/golang-jwt/jwt"
)
// UserValidateJWT validates the cluster jwt
func UserValidateJWT(token string) (jwt.MapClaims, error) {
tkn, err := jwt.Parse(token, func(token *jwt.Token) (interface{}, error) {
if _, isValid := token.Method.(*jwt.SigningMethodHMAC); !isValid {
return nil, fmt.Errorf("invalid token %s", token.Header["alg"])
}
return []byte(utils.Config.JwtSecret), nil
})
if err != nil {
log.Print("USER JWT ERROR: ", err)
return nil, errors.New("invalid Token")
}
if !tkn.Valid {
return nil, errors.New("invalid Token")
}
claims, ok := tkn.Claims.(jwt.MapClaims)
if ok {
return claims, nil
}
return nil, errors.New("invalid Token")
}
// GetUsername returns the username from the jwt token
func GetUsername(token string) (string, error) {
tkn, err := jwt.Parse(token, func(token *jwt.Token) (interface{}, error) {
return []byte(utils.Config.JwtSecret), nil
})
if err != nil {
log.Print("USER JWT ERROR: ", err)
return "", errors.New("invalid Token")
}
claims, ok := tkn.Claims.(jwt.MapClaims)
if ok {
return claims["username"].(string), nil
}
return "", errors.New("invalid Token")
}