init: initial repo

internal/enums/jwt/jwt_claims.go

@@ -0,0 +1,11 @@
+package jwtclaimenum
+
+type JWTClaim string
+
+const (
+	TYPE       JWTClaim = "type"
+	USERNAME   JWTClaim = "username"
+	EXPIRED_AT JWTClaim = "exp"
+	SESSION_ID JWTClaim = "sid"
+	ISSUED_AT  JWTClaim = "iat"
+)

internal/utilities/time_utils/time_util.go

@@ -0,0 +1,7 @@
+package timeutils
+
+import "time"
+
+func Now() time.Time {
+	return time.Now().UTC()
+}

internal/utilities/utils/jwt.go

@@ -0,0 +1,27 @@
+package utils
+
+import (
+	jwtclaimenum "github.com/ardeman/project-legalgo-go/internal/enums/jwt"
+	timeutils "github.com/ardeman/project-legalgo-go/internal/utilities/time_utils"
+	"github.com/golang-jwt/jwt/v5"
+)
+
+var jwtSecret = []byte("secret jwt key") // TODO: change later from env
+
+type ClaimOption func(options jwt.MapClaims)
+
+func GenerateToken(options ...ClaimOption) (string, error) {
+	now := timeutils.Now()
+
+	claims := jwt.MapClaims{
+		string(jwtclaimenum.ISSUED_AT): now.Unix(),
+	}
+
+	for _, o := range options {
+		o(claims)
+	}
+
+	token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
+
+	return token.SignedString(jwtSecret)
+}