snapshot of https://github.com/pion/webrtc.git (main, 2026-09-15; blobs > 131072B omitted)

dtlstransport_js.go

@@ -0,0 +1,65 @@
+// SPDX-FileCopyrightText: 2026 The Pion community <https://pion.ly>
+// SPDX-License-Identifier: MIT
+
+//go:build js && wasm
+// +build js,wasm
+
+package webrtc
+
+import "syscall/js"
+
+// DTLSTransport allows an application access to information about the DTLS
+// transport over which RTP and RTCP packets are sent and received by
+// RTPSender and RTPReceiver, as well other data such as SCTP packets sent
+// and received by data channels.
+type DTLSTransport struct {
+	// Pointer to the underlying JavaScript DTLSTransport object.
+	underlying js.Value
+}
+
+// JSValue returns the underlying RTCDtlsTransport
+func (r *DTLSTransport) JSValue() js.Value {
+	return r.underlying
+}
+
+// ICETransport returns the currently-configured *ICETransport or nil
+// if one has not been configured
+func (r *DTLSTransport) ICETransport() *ICETransport {
+	underlying := r.underlying.Get("iceTransport")
+	if underlying.IsNull() || underlying.IsUndefined() {
+		return nil
+	}
+
+	return &ICETransport{
+		underlying: underlying,
+	}
+}
+
+func (t *DTLSTransport) GetRemoteCertificate() []byte {
+	if t.underlying.IsNull() || t.underlying.IsUndefined() {
+		return nil
+	}
+
+	// Firefox does not support getRemoteCertificates: https://bugzilla.mozilla.org/show_bug.cgi?id=1805446
+	jsGet := t.underlying.Get("getRemoteCertificates")
+	if jsGet.IsUndefined() || jsGet.IsNull() {
+		return nil
+	}
+
+	jsCerts := t.underlying.Call("getRemoteCertificates")
+	if jsCerts.Length() == 0 {
+		return nil
+	}
+
+	buf := jsCerts.Index(0)
+	u8 := js.Global().Get("Uint8Array").New(buf)
+
+	if u8.Length() == 0 {
+		return nil
+	}
+
+	cert := make([]byte, u8.Length())
+	js.CopyBytesToGo(cert, u8)
+
+	return cert
+}