public RelayCookie resolve(String serverID, String id) throws IOException {
if (!Util.isQuickConnectId(serverID)) {
throw new IllegalArgumentException("serverID isn't a Quick Connect ID");
}
RelayManager relayManager = (RelayManager) RelayHandler.getDefault();
RelayCookie cookie = relayManager.get(serverID);
if (cookie == null) {
cookie = new RelayCookie.Builder().serverID(serverID).id(id).build();
relayManager.put(serverID, cookie);
}
HttpUrl serverUrl = HttpUrl.parse("http://global.quickconnect.to/Serv.php");
ServerInfoJson infoJson = getServerInfo(serverUrl, serverID, id);
// ping DSM directly
HttpUrl resolvedUrl = pingDSM(infoJson);
if (resolvedUrl != null) {
cookie = cookie.newBuilder().resolvedUrl(resolvedUrl).build();
return cookie;
}
// ping DSM through tunnel
resolvedUrl = pingTunnel(infoJson.service);
if (resolvedUrl != null) {
cookie = cookie.newBuilder().resolvedUrl(resolvedUrl).build();
return cookie;
}
// request tunnel
infoJson = requestTunnel(infoJson, serverID, id);
if (infoJson != null) {
resolvedUrl =
requestUrl
.newBuilder()
.host(infoJson.service.relay_ip)
.port(infoJson.service.relay_port)
.build();
cookie = cookie.newBuilder().resolvedUrl(resolvedUrl).build();
return cookie;
}
throw new IOException("No valid url resolved");
}
