recording webhooks (#24)

* recording webhooks

* use token instead of api key+secret

* remove token

livekit_internal.proto

@@ -113,6 +113,7 @@ message RecordingReservation {
   string id = 1;
   int64 submitted_at = 2;
   StartRecordingRequest request = 3;
+  string ws_url = 4;
 }
 
 // details about the client

livekit_models.proto

@@ -93,3 +93,10 @@ message UserPacket {
   // the ID of the participants who will receive the message (the message will be sent to all the people in the room if this variable is empty)
   repeated string destination_sids = 3;
 }
+
+message RecordingResult {
+  string id = 1;
+  string error = 2;
+  int64 duration = 3;
+  string location = 4;
+}

livekit_recording.proto

@@ -35,14 +35,14 @@ message RecordingInput {
 message RecordingTemplate {
   string layout = 1;
   // either token or room name required
-  string token = 3;
-  string room_name = 4;
+  string token = 2;
+  string room_name = 3;
 }
 
 message RecordingOutput {
-  string rtmp = 3;
+  string rtmp = 1;
   // bucket/key
-  string s3_path = 4;
+  string s3_path = 2;
 }
 
 enum RecordingPreset {

livekit_webhook.proto

@@ -6,11 +6,14 @@ option go_package = "github.com/livekit/protocol/proto/livekit";
 import "livekit_models.proto";
 
 message WebhookEvent {
-  // one of room_started, room_finished, participant_joined, participant_left
+  // one of room_started, room_finished, participant_joined, participant_left, recording_finished
   string event = 1;
 
   Room room = 2;
 
   // set when event is participant_*
   ParticipantInfo participant = 3;
+
+  // set when event is recording_finished
+  RecordingResult recording_result = 4;
 }