Forward signals for web app to rtc proxy

src/entities/WebSocketRequestHandler.ts

@@ -80,4 +80,20 @@ export class UserWebSocketRequestsHandler extends BaseRequestsHandler {
 		
 		return convID;
 	}
+
+	/**
+	 * Get the ID of a peer of a call included in the WebSocket request
+	 * 
+	 * @param callID Target call ID
+	 * @param name The name of the POST field
+	 */
+	public postCallPeerID(callID: number, name: string) : number{
+		const peerID = this.postInt(name);
+
+		if(peerID != this.getUserId() && UserWebSocketController.active_clients.find(
+			(e) => e.userID == peerID && e.activeCalls.has(callID)) === undefined)
+			this.error(401, "This peer is not a member of the call!");
+		
+		return peerID;
+	}
 }