implement TX v4 experimental

experimental/transaction.go

@@ -0,0 +1,11 @@
+// Copyright 2024 Juan Pablo Tosso and the OWASP Coraza contributors
+// SPDX-License-Identifier: Apache-2.0
+
+package experimental
+
+import "github.com/corazawaf/coraza/v3/types"
+
+type Transaction interface {
+	types.Transaction
+	UnixTimestamp() int64
+}

experimental/transaction_test.go

@@ -0,0 +1,26 @@
+// Copyright 2024 Juan Pablo Tosso and the OWASP Coraza contributors
+// SPDX-License-Identifier: Apache-2.0
+
+package experimental_test
+
+import (
+	"testing"
+
+	"github.com/corazawaf/coraza/v3"
+	"github.com/corazawaf/coraza/v3/experimental"
+)
+
+func TestTxTimestamp(t *testing.T) {
+	waf, err := coraza.NewWAF(coraza.NewWAFConfig())
+	if err != nil {
+		panic(err)
+	}
+	tx := waf.NewTransaction()
+	tx2, ok := tx.(experimental.Transaction)
+	if !ok {
+		t.Error("Transaction does not implement experimental.Transaction")
+	}
+	if tx2.UnixTimestamp() == 0 {
+		t.Error("Timestamp should not be 0")
+	}
+}

internal/corazawaf/transaction.go

@@ -1576,6 +1576,10 @@ func (tx *Transaction) String() string {
 	return res.String()
 }
 
+func (tx *Transaction) UnixTimestamp() int64 {
+	return tx.Timestamp
+}
+
 // generateRequestBodyError generates all the error variables for the request body parser
 func (tx *Transaction) generateRequestBodyError(err error) {
 	tx.variables.reqbodyError.Set("1")