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Check all SDP media sections for a fingerprint

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Fix RemoteDescription parsing so that it parses all sections when
looking for a fingerprint, before it would fail if the first section
did not contain one
This commit is contained in:
AlexWoo(武杰)
2019-06-24 11:48:55 +08:00
committed by Sean DuBois
parent be3d922fbb
commit 3a15b2ccda
3 changed files with 51 additions and 8 deletions
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17
peerconnection.go
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@@ -874,7 +874,12 @@ func (pc *PeerConnection) SetRemoteDescription(desc SessionDescription) error {
weOffer = false
}
fingerprint, haveFingerprint := desc.parsed.Attribute("fingerprint")
for _, m := range pc.RemoteDescription().parsed.MediaDescriptions {
if !haveFingerprint {
fingerprint, haveFingerprint = m.Attribute("fingerprint")
}
for _, a := range m.Attributes {
switch {
case a.IsICECandidate():
@@ -899,20 +904,16 @@ func (pc *PeerConnection) SetRemoteDescription(desc SessionDescription) error {
}
}
fingerprint, ok := desc.parsed.Attribute("fingerprint")
if !ok {
fingerprint, ok = desc.parsed.MediaDescriptions[0].Attribute("fingerprint")
if !ok {
return fmt.Errorf("could not find fingerprint")
}
if !haveFingerprint {
return fmt.Errorf("could not find fingerprint")
}
var fingerprintHash string
parts := strings.Split(fingerprint, " ")
if len(parts) != 2 {
return fmt.Errorf("invalid fingerprint")
}
fingerprint = parts[1]
fingerprintHash = parts[0]
fingerprintHash := parts[0]
// Create the SCTP transport
sctp := pc.api.NewSCTPTransport(pc.dtlsTransport)