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implement TX v4 experimental #1201

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implement TX v4 experimental #1201

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b1a31a5
implement TX v4 experimental
jptosso Nov 6, 2024
e0b667c
add context support
jptosso Nov 6, 2024
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18 changes: 18 additions & 0 deletions experimental/transaction.go
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Original file line number Diff line number Diff line change
@@ -0,0 +1,18 @@
// Copyright 2024 Juan Pablo Tosso and the OWASP Coraza contributors
// SPDX-License-Identifier: Apache-2.0

package experimental

import (
"context"

"github.com/corazawaf/coraza/v3/types"
)

type Transaction interface {
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IMHO this interface is meaningless, if someone wants to access this fields they can create their own convenience interface.

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@jptosso jptosso Nov 13, 2024 •
edited
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package test

import (
	"context"
	"testing"

	"github.com/corazawaf/coraza/v3"
	"github.com/corazawaf/coraza/v3/types"
)

type transaction interface {
	types.Transaction
	Context() context.Context
}

func TestCoraza(t *testing.T) {
	waf, _ := coraza.NewWAF(coraza.NewWAFConfig())
	tx, ok := waf.NewTransaction().(transaction)
	if !ok {
		t.Errorf("cannot access Token")
	}
	tx.Context().Value("key")
}

It is not possible to access internal fields using this hack

Context IS required to control timeout for certain actions, among others

types.Transaction
// UnixTimestamp returns the Unix timestamp of the transaction
UnixTimestamp() int64
// Context returns the context of the transaction
Context() context.Context
}
29 changes: 29 additions & 0 deletions experimental/transaction_test.go
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Original file line number Diff line number Diff line change
@@ -0,0 +1,29 @@
// 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")
}
if tx2.Context() == nil {
t.Error("Context should not be nil")
}
}
8 changes: 8 additions & 0 deletions internal/corazawaf/transaction.go
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Expand Up @@ -1576,6 +1576,14 @@ func (tx *Transaction) String() string {
return res.String()
}

func (tx *Transaction) UnixTimestamp() int64 {
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This is controversial and that is why I'd like to use use cases before exposing this. Why not a time.Time? Not saying that is the answer, just saying we need concrete use cases.

return tx.Timestamp
}

func (tx *Transaction) Context() context.Context {
return tx.context
}

// generateRequestBodyError generates all the error variables for the request body parser
func (tx *Transaction) generateRequestBodyError(err error) {
tx.variables.reqbodyError.Set("1")
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