Added Configuration Management

utils/util.go

@@ -1,20 +1,53 @@
 package utils
 
 import (
+	"os"
+	"time"
+
+	"crypto/rand"
+	"encoding/base64"
+
+	"github.com/golang-jwt/jwt/v5"
 	"github.com/google/uuid"
 	"golang.org/x/crypto/bcrypt"
 )
 
+var secret = []byte(os.Getenv("SHAP_JWT_SECRET"))
+
+// Password Validation
 func HashPassword(password string) (string, error) {
 	bytes, err := bcrypt.GenerateFromPassword([]byte(password), 14)
 	return string(bytes), err
 }
-
 func CheckPasswordHash(password, hash string) bool {
 	err := bcrypt.CompareHashAndPassword([]byte(hash), []byte(password))
 	return err == nil
 }
 
+// JWT Validation
+func GenerateJWT(userID string) (string, error) {
+	claims := jwt.MapClaims{
+		"userId": userID,
+		"exp":    time.Now().Add(time.Hour * 1).Unix(),
+	}
+
+	token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
+	return token.SignedString(secret)
+}
+func ValidateJWT(tokenString string) (*jwt.Token, error) {
+	return jwt.Parse(tokenString, func(token *jwt.Token) (interface{}, error) {
+		return secret, nil
+	})
+}
+
 func GenerateUUID() string {
 	return uuid.New().String()
 }
+func GenerateSecret() string {
+	b := make([]byte, 64)
+	_, err := rand.Read(b)
+	if err != nil {
+		return err.Error()
+	}
+	return base64.StdEncoding.EncodeToString(b)
+}