Initial commit: Open sourcing all of the Maple Open Technologies code.

cloud/maplefile-backend/pkg/security/jwt/jwt.go

@@ -0,0 +1,47 @@
+package jwt
+
+import (
+	"errors"
+	"time"
+
+	"codeberg.org/mapleopentech/monorepo/cloud/maplefile-backend/config"
+	"codeberg.org/mapleopentech/monorepo/cloud/maplefile-backend/pkg/security/jwt_utils"
+	sbytes "codeberg.org/mapleopentech/monorepo/cloud/maplefile-backend/pkg/security/securebytes"
+)
+
+// JWTProvider provides interface for abstracting JWT generation.
+type JWTProvider interface {
+	GenerateJWTToken(uuid string, ad time.Duration) (string, time.Time, error)
+	GenerateJWTTokenPair(uuid string, ad time.Duration, rd time.Duration) (string, time.Time, string, time.Time, error)
+	ProcessJWTToken(reqToken string) (string, error)
+}
+
+type jwtProvider struct {
+	hmacSecret *sbytes.SecureBytes
+}
+
+// NewProvider Constructor that returns the JWT generator.
+func NewJWTProvider(cfg *config.Configuration) JWTProvider {
+	// Convert JWT secret string to SecureBytes
+	secret, _ := sbytes.NewSecureBytes([]byte(cfg.JWT.Secret))
+	return jwtProvider{
+		hmacSecret: secret,
+	}
+}
+
+// GenerateJWTToken generates a single JWT token.
+func (p jwtProvider) GenerateJWTToken(uuid string, ad time.Duration) (string, time.Time, error) {
+	return jwt_utils.GenerateJWTToken(p.hmacSecret.Bytes(), uuid, ad)
+}
+
+// GenerateJWTTokenPair Generate the `access token` and `refresh token` for the secret key.
+func (p jwtProvider) GenerateJWTTokenPair(uuid string, ad time.Duration, rd time.Duration) (string, time.Time, string, time.Time, error) {
+	return jwt_utils.GenerateJWTTokenPair(p.hmacSecret.Bytes(), uuid, ad, rd)
+}
+
+func (p jwtProvider) ProcessJWTToken(reqToken string) (string, error) {
+	if p.hmacSecret == nil {
+		return "", errors.New("HMAC secret is required")
+	}
+	return jwt_utils.ProcessJWTToken(p.hmacSecret.Bytes(), reqToken)
+}