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jwt.go
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jwt.go
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package helpers
import (
"errors"
"strings"
"github.com/dgrijalva/jwt-go"
"github.com/gin-gonic/gin"
)
var secretKey = "rahasia"
func GenerateToken(id uint, email string) string {
claims := jwt.MapClaims{
"id": id,
"email": email,
}
parseToken := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
signedToken, _ := parseToken.SignedString([]byte(secretKey))
return signedToken
}
func VerifyToken(ctx *gin.Context) (interface{}, error) {
errResponse := errors.New("sign in to proceed")
headerToken := ctx.Request.Header.Get("Authorization")
bearer := strings.HasPrefix(headerToken, "Bearer")
if !bearer {
return nil, errResponse
}
stringToken := strings.Split(headerToken, " ")[1]
token, _ := jwt.Parse(stringToken, func(t *jwt.Token) (interface{}, error) {
if _, ok := t.Method.(*jwt.SigningMethodHMAC); !ok {
return nil, errResponse
}
return []byte(secretKey), nil
})
if _, ok := token.Claims.(jwt.MapClaims); !ok && !token.Valid {
return nil, errResponse
}
return token.Claims.(jwt.MapClaims), nil
}