Server: GET /voip/turnServer, configured under client_api.turn. A shared
secret (coturn use-auth-secret) gives each user expiring TURN REST API
credentials; static credentials are the fallback; with nothing configured
it answers {} so clients still try a direct connection.
Web client: 1:1 calls (Matrix VoIP via matrix-js-sdk) in rooms with one
other person. Voice and video buttons in the room header, a ringing card
with answer, answer without video and decline, and a call panel that
stays up across rooms: mute, camera, screen sharing, expand, hang up,
ring tones. Call events show in the timeline and room list. Works around
the SDK keeping a failed microphone request forever.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
90 lines
2.6 KiB
Go
90 lines
2.6 KiB
Go
package clientapi_test
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import (
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"crypto/hmac"
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"crypto/sha1" //nolint:gosec // The TURN REST API is HMAC-SHA1.
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"encoding/base64"
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"net/http"
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"strconv"
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"strings"
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"testing"
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"time"
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"github.com/dariuszjaniak/warp/server/internal/clientapi"
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"github.com/dariuszjaniak/warp/server/internal/config"
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)
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const turnPath = "/_matrix/client/v3/voip/turnServer"
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type turnResponse struct {
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URIs []string `json:"uris"`
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Username string `json:"username"`
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Password string `json:"password"`
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TTL int64 `json:"ttl"`
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}
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func TestTurnServerNeedsAToken(t *testing.T) {
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ts := newTestServer(t, nil)
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expectError(t, ts.get(turnPath, ""), http.StatusUnauthorized, "M_MISSING_TOKEN")
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}
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func TestTurnServerUnconfiguredIsEmpty(t *testing.T) {
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ts := newTestServer(t, nil)
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acc := ts.register("alice", "correct horse battery")
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rec := ts.get(turnPath, acc.AccessToken)
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expectStatus(t, rec, http.StatusOK)
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if body := jsonBody(t, rec); len(body) != 0 {
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t.Errorf("body = %v, want an empty object", body)
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}
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}
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func TestTurnServerSharedSecret(t *testing.T) {
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const secret = "s3cret"
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ts := newTestServer(t, func(o *clientapi.Options) {
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o.TURN = config.TURN{
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URIs: []string{"turn:turn.warp.example:3478?transport=udp"},
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SharedSecret: secret,
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UserLifetime: time.Hour,
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}
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})
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acc := ts.register("alice", "correct horse battery")
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before := time.Now().Unix()
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rec := ts.get(turnPath, acc.AccessToken)
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expectStatus(t, rec, http.StatusOK)
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got := decode[turnResponse](t, rec)
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if len(got.URIs) != 1 || got.TTL != 3600 {
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t.Fatalf("response = %+v", got)
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}
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expiry, user, ok := strings.Cut(got.Username, ":")
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if !ok || user != acc.UserID {
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t.Fatalf("username = %q, want <expiry>:%s", got.Username, acc.UserID)
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}
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if n, err := strconv.ParseInt(expiry, 10, 64); err != nil || n < before+3600 || n > before+3600+60 {
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t.Errorf("expiry = %q, want about an hour from now", expiry)
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}
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mac := hmac.New(sha1.New, []byte(secret))
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mac.Write([]byte(got.Username))
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if want := base64.StdEncoding.EncodeToString(mac.Sum(nil)); got.Password != want {
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t.Errorf("password = %q, want %q", got.Password, want)
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}
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}
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func TestTurnServerStatic(t *testing.T) {
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ts := newTestServer(t, func(o *clientapi.Options) {
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o.TURN = config.TURN{
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URIs: []string{"turns:turn.warp.example:5349", "stun:turn.warp.example:3478"},
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Username: "warp",
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Password: "hunter2",
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}
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})
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acc := ts.register("alice", "correct horse battery")
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got := decode[turnResponse](t, ts.get(turnPath, acc.AccessToken))
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if len(got.URIs) != 2 || got.Username != "warp" || got.Password != "hunter2" || got.TTL <= 0 {
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t.Errorf("response = %+v", got)
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}
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}
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