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refactor(netx): use netxlite to build TLSDialer (#790)

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This diff modifies netx to use netxlite to build the TLSDialer.

Building the TLSDialer entails building a TLSHandshaker.

While there, hide netxlite names we don't want to be public
and change netx tests to test for functionality.

To this end, refactor filtering to provide an easier to
use TLS server. We don't need the complexity of proxying
rather we need to provoke specific errors.

Part of https://github.com/ooni/probe/issues/2121
This commit is contained in:
Simone Basso 2022-06-02 17:39:48 +02:00 • committed by GitHub
commit e9ed733f07
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GPG key ID: 4AEE18F83AFDEB23
9 changed files with 354 additions and 681 deletions
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28
internal/netxlite/integration_test.go
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@ -303,18 +303,10 @@ func TestMeasureWithTLSHandshaker(t *testing.T) {
}
connectionResetFlow := func(th model.TLSHandshaker) error {
tlsProxy := &filtering.TLSProxy{
OnIncomingSNI: func(sni string) filtering.TLSAction {
return filtering.TLSActionReset
},
}
listener, err := tlsProxy.Start("127.0.0.1:0")
if err != nil {
return fmt.Errorf("cannot start proxy: %w", err)
}
defer listener.Close()
server := filtering.NewTLSServer(filtering.TLSActionReset)
defer server.Close()
ctx := context.Background()
conn, err := dial(ctx, listener.Addr().String())
conn, err := dial(ctx, server.Endpoint())
if err != nil {
return fmt.Errorf("dial failed: %w", err)
}
@ -338,18 +330,10 @@ func TestMeasureWithTLSHandshaker(t *testing.T) {
}
timeoutFlow := func(th model.TLSHandshaker) error {
tlsProxy := &filtering.TLSProxy{
OnIncomingSNI: func(sni string) filtering.TLSAction {
return filtering.TLSActionTimeout
},
}
listener, err := tlsProxy.Start("127.0.0.1:0")
if err != nil {
return fmt.Errorf("cannot start proxy: %w", err)
}
defer listener.Close()
server := filtering.NewTLSServer(filtering.TLSActionTimeout)
defer server.Close()
ctx := context.Background()
conn, err := dial(ctx, listener.Addr().String())
conn, err := dial(ctx, server.Endpoint())
if err != nil {
return fmt.Errorf("dial failed: %w", err)
}