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dtlstransport_test.go
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dtlstransport_test.go
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// SPDX-FileCopyrightText: 2023 The Pion community <https://pion.ly>
// SPDX-License-Identifier: MIT
//go:build !js
// +build !js
package webrtc
import (
"regexp"
"testing"
"time"
"github.com/pion/transport/v3/test"
"github.com/stretchr/testify/assert"
)
// An invalid fingerprint MUST cause PeerConnectionState to go to PeerConnectionStateFailed
func TestInvalidFingerprintCausesFailed(t *testing.T) {
lim := test.TimeOut(time.Second * 5)
defer lim.Stop()
report := test.CheckRoutines(t)
defer report()
pcOffer, err := NewPeerConnection(Configuration{})
if err != nil {
t.Fatal(err)
}
pcAnswer, err := NewPeerConnection(Configuration{})
if err != nil {
t.Fatal(err)
}
pcAnswer.OnDataChannel(func(_ *DataChannel) {
t.Fatal("A DataChannel must not be created when Fingerprint verification fails")
})
defer closePairNow(t, pcOffer, pcAnswer)
offerChan := make(chan SessionDescription)
pcOffer.OnICECandidate(func(candidate *ICECandidate) {
if candidate == nil {
offerChan <- *pcOffer.PendingLocalDescription()
}
})
offerConnectionHasClosed := untilConnectionState(PeerConnectionStateClosed, pcOffer)
answerConnectionHasClosed := untilConnectionState(PeerConnectionStateClosed, pcAnswer)
if _, err = pcOffer.CreateDataChannel("unusedDataChannel", nil); err != nil {
t.Fatal(err)
}
offer, err := pcOffer.CreateOffer(nil)
if err != nil {
t.Fatal(err)
} else if err := pcOffer.SetLocalDescription(offer); err != nil {
t.Fatal(err)
}
select {
case offer := <-offerChan:
// Replace with invalid fingerprint
re := regexp.MustCompile(`sha-256 (.*?)\r`)
offer.SDP = re.ReplaceAllString(offer.SDP, "sha-256 AA:AA:AA:AA:AA:AA:AA:AA:AA:AA:AA:AA:AA:AA:AA:AA:AA:AA:AA:AA:AA:AA:AA:AA:AA:AA:AA:AA:AA:AA:AA:AA\r")
if err := pcAnswer.SetRemoteDescription(offer); err != nil {
t.Fatal(err)
}
answer, err := pcAnswer.CreateAnswer(nil)
if err != nil {
t.Fatal(err)
}
if err = pcAnswer.SetLocalDescription(answer); err != nil {
t.Fatal(err)
}
answer.SDP = re.ReplaceAllString(answer.SDP, "sha-256 AA:AA:AA:AA:AA:AA:AA:AA:AA:AA:AA:AA:AA:AA:AA:AA:AA:AA:AA:AA:AA:AA:AA:AA:AA:AA:AA:AA:AA:AA:AA:AA\r")
err = pcOffer.SetRemoteDescription(answer)
if err != nil {
t.Fatal(err)
}
case <-time.After(5 * time.Second):
t.Fatal("timed out waiting to receive offer")
}
offerConnectionHasClosed.Wait()
answerConnectionHasClosed.Wait()
if pcOffer.SCTP().Transport().State() != DTLSTransportStateClosed && pcOffer.SCTP().Transport().State() != DTLSTransportStateFailed {
t.Fail()
}
assert.Nil(t, pcOffer.SCTP().Transport().conn)
if pcAnswer.SCTP().Transport().State() != DTLSTransportStateClosed && pcAnswer.SCTP().Transport().State() != DTLSTransportStateFailed {
t.Fail()
}
assert.Nil(t, pcAnswer.SCTP().Transport().conn)
}
func TestPeerConnection_DTLSRoleSettingEngine(t *testing.T) {
runTest := func(r DTLSRole) {
s := SettingEngine{}
assert.NoError(t, s.SetAnsweringDTLSRole(r))
offerPC, err := NewAPI(WithSettingEngine(s)).NewPeerConnection(Configuration{})
if err != nil {
t.Fatal(err)
}
answerPC, err := NewAPI(WithSettingEngine(s)).NewPeerConnection(Configuration{})
if err != nil {
t.Fatal(err)
}
if err = signalPair(offerPC, answerPC); err != nil {
t.Fatal(err)
}
connectionComplete := untilConnectionState(PeerConnectionStateConnected, answerPC)
connectionComplete.Wait()
closePairNow(t, offerPC, answerPC)
}
report := test.CheckRoutines(t)
defer report()
t.Run("Server", func(*testing.T) {
runTest(DTLSRoleServer)
})
t.Run("Client", func(*testing.T) {
runTest(DTLSRoleClient)
})
}