Files
moonlight-android/app/src/main/java/com/limelight/nvstream/http/NvHTTP.java
T
2023-02-20 23:31:53 -06:00

874 lines
37 KiB
Java

package com.limelight.nvstream.http;
import android.os.Build;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.Reader;
import java.io.StringReader;
import java.net.Inet4Address;
import java.net.InetAddress;
import java.net.Proxy;
import java.net.Socket;
import java.security.KeyManagementException;
import java.security.KeyStore;
import java.security.KeyStoreException;
import java.security.NoSuchAlgorithmException;
import java.security.Principal;
import java.security.PrivateKey;
import java.security.SecureRandom;
import java.security.cert.Certificate;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;
import java.util.LinkedList;
import java.util.ListIterator;
import java.util.Stack;
import java.util.UUID;
import java.util.concurrent.TimeUnit;
import javax.net.ssl.HostnameVerifier;
import javax.net.ssl.HttpsURLConnection;
import javax.net.ssl.KeyManager;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLHandshakeException;
import javax.net.ssl.SSLPeerUnverifiedException;
import javax.net.ssl.SSLSession;
import javax.net.ssl.SSLSocket;
import javax.net.ssl.SSLSocketFactory;
import javax.net.ssl.TrustManager;
import javax.net.ssl.TrustManagerFactory;
import javax.net.ssl.X509KeyManager;
import javax.net.ssl.X509TrustManager;
import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserException;
import org.xmlpull.v1.XmlPullParserFactory;
import com.limelight.BuildConfig;
import com.limelight.LimeLog;
import com.limelight.nvstream.ConnectionContext;
import com.limelight.nvstream.http.PairingManager.PairState;
import okhttp3.ConnectionPool;
import okhttp3.HttpUrl;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.Response;
import okhttp3.ResponseBody;
public class NvHTTP {
private String uniqueId;
private PairingManager pm;
private static final int DEFAULT_HTTPS_PORT = 47984;
public static final int DEFAULT_HTTP_PORT = 47989;
public static final int SHORT_CONNECTION_TIMEOUT = 3000;
public static final int LONG_CONNECTION_TIMEOUT = 5000;
public static final int READ_TIMEOUT = 7000;
// Print URL and content to logcat on debug builds
private static boolean verbose = BuildConfig.DEBUG;
private HttpUrl baseUrlHttp;
private int httpsPort;
private OkHttpClient httpClientLongConnectTimeout;
private OkHttpClient httpClientLongConnectNoReadTimeout;
private OkHttpClient httpClientShortConnectTimeout;
private X509TrustManager defaultTrustManager;
private X509TrustManager trustManager;
private X509KeyManager keyManager;
private X509Certificate serverCert;
void setServerCert(X509Certificate serverCert) {
this.serverCert = serverCert;
}
private static X509TrustManager getDefaultTrustManager() {
try {
TrustManagerFactory tmf = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());
tmf.init((KeyStore) null);
for (TrustManager tm : tmf.getTrustManagers()) {
if (tm instanceof X509TrustManager) {
return (X509TrustManager) tm;
}
}
} catch (NoSuchAlgorithmException e) {
throw new RuntimeException(e);
} catch (KeyStoreException e) {
throw new RuntimeException(e);
}
throw new IllegalStateException("No X509 trust manager found");
}
private void initializeHttpState(final LimelightCryptoProvider cryptoProvider) {
keyManager = new X509KeyManager() {
public String chooseClientAlias(String[] keyTypes,
Principal[] issuers, Socket socket) { return "Limelight-RSA"; }
public String chooseServerAlias(String keyType, Principal[] issuers,
Socket socket) { return null; }
public X509Certificate[] getCertificateChain(String alias) {
return new X509Certificate[] {cryptoProvider.getClientCertificate()};
}
public String[] getClientAliases(String keyType, Principal[] issuers) { return null; }
public PrivateKey getPrivateKey(String alias) {
return cryptoProvider.getClientPrivateKey();
}
public String[] getServerAliases(String keyType, Principal[] issuers) { return null; }
};
defaultTrustManager = getDefaultTrustManager();
trustManager = new X509TrustManager() {
public X509Certificate[] getAcceptedIssuers() {
return new X509Certificate[0];
}
public void checkClientTrusted(X509Certificate[] certs, String authType) {
throw new IllegalStateException("Should never be called");
}
public void checkServerTrusted(X509Certificate[] certs, String authType) throws CertificateException {
try {
// Try the default trust manager first to allow pairing with certificates
// that chain up to a trusted root CA. This will raise CertificateException
// if the certificate is not trusted (expected for GFE's self-signed certs).
defaultTrustManager.checkServerTrusted(certs, authType);
} catch (CertificateException e) {
// Check the server certificate if we've paired to this host
if (certs.length == 1 && NvHTTP.this.serverCert != null) {
if (!certs[0].equals(NvHTTP.this.serverCert)) {
throw new CertificateException("Certificate mismatch");
}
}
else {
// The cert chain doesn't look like a self-signed cert or we don't have
// a certificate pinned, so re-throw the original validation error.
throw e;
}
}
}
};
HostnameVerifier hv = new HostnameVerifier() {
public boolean verify(String hostname, SSLSession session) {
try {
Certificate[] certificates = session.getPeerCertificates();
if (certificates.length == 1 && certificates[0].equals(NvHTTP.this.serverCert)) {
// Allow any hostname if it's our pinned cert
return true;
}
} catch (SSLPeerUnverifiedException e) {
e.printStackTrace();
}
// Fall back to default HostnameVerifier for validating CA-issued certs
return HttpsURLConnection.getDefaultHostnameVerifier().verify(hostname, session);
}
};
httpClientLongConnectTimeout = new OkHttpClient.Builder()
.connectionPool(new ConnectionPool(0, 1, TimeUnit.MILLISECONDS))
.hostnameVerifier(hv)
.readTimeout(READ_TIMEOUT, TimeUnit.MILLISECONDS)
.connectTimeout(LONG_CONNECTION_TIMEOUT, TimeUnit.MILLISECONDS)
.proxy(Proxy.NO_PROXY)
.build();
httpClientShortConnectTimeout = httpClientLongConnectTimeout.newBuilder()
.connectTimeout(SHORT_CONNECTION_TIMEOUT, TimeUnit.MILLISECONDS)
.build();
httpClientLongConnectNoReadTimeout = httpClientLongConnectTimeout.newBuilder()
.readTimeout(0, TimeUnit.MILLISECONDS)
.build();
}
public HttpUrl getHttpsUrl(boolean likelyOnline) throws IOException {
if (httpsPort == 0) {
// Fetch the HTTPS port if we don't have it already
httpsPort = getHttpsPort(openHttpConnectionToString(likelyOnline ? httpClientLongConnectTimeout : httpClientShortConnectTimeout,
baseUrlHttp, "serverinfo"));
}
return new HttpUrl.Builder().scheme("https").host(baseUrlHttp.host()).port(httpsPort).build();
}
public NvHTTP(ComputerDetails.AddressTuple address, int httpsPort, String uniqueId, X509Certificate serverCert, LimelightCryptoProvider cryptoProvider) throws IOException {
// Use the same UID for all Moonlight clients so we can quit games
// started by other Moonlight clients.
this.uniqueId = "0123456789ABCDEF";
this.serverCert = serverCert;
initializeHttpState(cryptoProvider);
this.httpsPort = httpsPort;
try {
// If this is an IPv4-mapped IPv6 address, OkHTTP will choke on it if it's
// in IPv6 form, because InetAddress.getByName() will return an Inet4Address
// for what OkHTTP thinks is an IPv6 address. Normalize it into IPv4 form
// to avoid triggering this bug.
String addressString = address.address;
if (addressString.contains(":") && addressString.contains(".")) {
InetAddress addr = InetAddress.getByName(addressString);
if (addr instanceof Inet4Address) {
addressString = ((Inet4Address)addr).getHostAddress();
}
}
this.baseUrlHttp = new HttpUrl.Builder()
.scheme("http")
.host(addressString)
.port(address.port)
.build();
} catch (IllegalArgumentException e) {
// Encapsulate IllegalArgumentException into IOException for callers to handle more easily
throw new IOException(e);
}
this.pm = new PairingManager(this, cryptoProvider);
}
static String getXmlString(Reader r, String tagname, boolean throwIfMissing) throws XmlPullParserException, IOException {
XmlPullParserFactory factory = XmlPullParserFactory.newInstance();
factory.setNamespaceAware(true);
XmlPullParser xpp = factory.newPullParser();
xpp.setInput(r);
int eventType = xpp.getEventType();
Stack<String> currentTag = new Stack<String>();
while (eventType != XmlPullParser.END_DOCUMENT) {
switch (eventType) {
case (XmlPullParser.START_TAG):
if (xpp.getName().equals("root")) {
verifyResponseStatus(xpp);
}
currentTag.push(xpp.getName());
break;
case (XmlPullParser.END_TAG):
currentTag.pop();
break;
case (XmlPullParser.TEXT):
if (currentTag.peek().equals(tagname)) {
return xpp.getText();
}
break;
}
eventType = xpp.next();
}
if (throwIfMissing) {
// We throw an XmlPullParserException here for ease of handling in all the various callers.
// We could also throw an IOException, but some callers expect those in cases where the
// host may not be reachable. We want to distinguish unreachable hosts vs. hosts that
// are returning garbage XML to us, so we use XmlPullParserException instead.
throw new XmlPullParserException("Missing mandatory field in host response: "+tagname);
}
return null;
}
static String getXmlString(String str, String tagname, boolean throwIfMissing) throws XmlPullParserException, IOException {
return getXmlString(new StringReader(str), tagname, throwIfMissing);
}
private static void verifyResponseStatus(XmlPullParser xpp) throws HostHttpResponseException {
// We use Long.parseLong() because in rare cases GFE can send back a status code of
// 0xFFFFFFFF, which will cause Integer.parseInt() to throw a NumberFormatException due
// to exceeding Integer.MAX_VALUE. We'll get the desired error code of -1 by just casting
// the resulting long into an int.
int statusCode = (int)Long.parseLong(xpp.getAttributeValue(XmlPullParser.NO_NAMESPACE, "status_code"));
if (statusCode != 200) {
String statusMsg = xpp.getAttributeValue(XmlPullParser.NO_NAMESPACE, "status_message");
if (statusCode == -1 && "Invalid".equals(statusMsg)) {
// Special case handling an audio capture error which GFE doesn't
// provide any useful status message for.
statusCode = 418;
statusMsg = "Missing audio capture device. Reinstall GeForce Experience.";
}
throw new HostHttpResponseException(statusCode, statusMsg);
}
}
public String getServerInfo(boolean likelyOnline) throws IOException, XmlPullParserException {
String resp;
// If we believe the PC is online, give it a little extra time to respond
OkHttpClient client = likelyOnline ? httpClientLongConnectTimeout : httpClientShortConnectTimeout;
//
// TODO: Shield Hub uses HTTP for this and is able to get an accurate PairStatus with HTTP.
// For some reason, we always see PairStatus is 0 over HTTP and only 1 over HTTPS. It looks
// like there are extra request headers required to make this stuff work over HTTP.
//
// When we have a pinned cert, use HTTPS to fetch serverinfo and fall back on cert mismatch
if (serverCert != null) {
try {
try {
resp = openHttpConnectionToString(client, getHttpsUrl(likelyOnline), "serverinfo");
} catch (SSLHandshakeException e) {
// Detect if we failed due to a server cert mismatch
if (e.getCause() instanceof CertificateException) {
// Jump to the GfeHttpResponseException exception handler to retry
// over HTTP which will allow us to pair again to update the cert
throw new HostHttpResponseException(401, "Server certificate mismatch");
}
else {
throw e;
}
}
// This will throw an exception if the request came back with a failure status.
// We want this because it will throw us into the HTTP case if the client is unpaired.
getServerVersion(resp);
}
catch (HostHttpResponseException e) {
if (e.getErrorCode() == 401) {
// Cert validation error - fall back to HTTP
return openHttpConnectionToString(client, baseUrlHttp, "serverinfo");
}
// If it's not a cert validation error, throw it
throw e;
}
return resp;
}
else {
// No pinned cert, so use HTTP
return openHttpConnectionToString(client, baseUrlHttp, "serverinfo");
}
}
private static ComputerDetails.AddressTuple makeTuple(String address, int port) {
if (address == null) {
return null;
}
return new ComputerDetails.AddressTuple(address, port);
}
public ComputerDetails getComputerDetails(String serverInfo) throws IOException, XmlPullParserException {
ComputerDetails details = new ComputerDetails();
details.name = getXmlString(serverInfo, "hostname", false);
if (details.name == null || details.name.isEmpty()) {
details.name = "UNKNOWN";
}
// UUID is mandatory to determine which machine is responding
details.uuid = getXmlString(serverInfo, "uniqueid", true);
details.httpsPort = getHttpsPort(serverInfo);
details.macAddress = getXmlString(serverInfo, "mac", false);
// FIXME: Do we want to use the current port?
details.localAddress = makeTuple(getXmlString(serverInfo, "LocalIP", false), baseUrlHttp.port());
// This is missing on on recent GFE versions, but it's present on Sunshine
details.externalPort = getExternalPort(serverInfo);
details.remoteAddress = makeTuple(getXmlString(serverInfo, "ExternalIP", false), details.externalPort);
details.pairState = getPairState(serverInfo);
details.runningGameId = getCurrentGame(serverInfo);
// The MJOLNIR codename was used by GFE but never by any third-party server
details.nvidiaServer = getXmlString(serverInfo, "state", true).contains("MJOLNIR");
// We could reach it so it's online
details.state = ComputerDetails.State.ONLINE;
return details;
}
public ComputerDetails getComputerDetails(boolean likelyOnline) throws IOException, XmlPullParserException {
return getComputerDetails(getServerInfo(likelyOnline));
}
// This hack is Android-specific but we do it on all platforms
// because it doesn't really matter
private OkHttpClient performAndroidTlsHack(OkHttpClient client) {
// Doing this each time we create a socket is required
// to avoid the SSLv3 fallback that causes connection failures
try {
SSLContext sc = SSLContext.getInstance("TLS");
sc.init(new KeyManager[] { keyManager }, new TrustManager[] { trustManager }, new SecureRandom());
// TLS 1.2 is not enabled by default prior to Android 5.0, so we'll need a custom
// SSLSocketFactory in order to connect to GFE 3.20.4 which requires TLSv1.2 or later.
// We don't just always use TLSv12SocketFactory because explicitly specifying TLS versions
// prevents later TLS versions from being negotiated even if client and server otherwise
// support them.
return client.newBuilder().sslSocketFactory(
Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP ?
sc.getSocketFactory() : new TLSv12SocketFactory(sc),
trustManager).build();
} catch (NoSuchAlgorithmException | KeyManagementException e) {
throw new RuntimeException(e);
}
}
private HttpUrl getCompleteUrl(HttpUrl baseUrl, String path, String query) {
return baseUrl.newBuilder()
.addPathSegment(path)
.query(query)
.addQueryParameter("uniqueid", uniqueId)
.addQueryParameter("uuid", UUID.randomUUID().toString())
.build();
}
private ResponseBody openHttpConnection(OkHttpClient client, HttpUrl baseUrl, String path) throws IOException {
return openHttpConnection(client, baseUrl, path, null);
}
// Read timeout should be enabled for any HTTP query that requires no outside action
// on the GFE server. Examples of queries that DO require outside action are launch, resume, and quit.
// The initial pair query does require outside action (user entering a PIN) but subsequent pairing
// queries do not.
private ResponseBody openHttpConnection(OkHttpClient client, HttpUrl baseUrl, String path, String query) throws IOException {
HttpUrl completeUrl = getCompleteUrl(baseUrl, path, query);
Request request = new Request.Builder().url(completeUrl).get().build();
Response response = performAndroidTlsHack(client).newCall(request).execute();
ResponseBody body = response.body();
if (response.isSuccessful()) {
return body;
}
// Unsuccessful, so close the response body
if (body != null) {
body.close();
}
if (response.code() == 404) {
throw new FileNotFoundException(completeUrl.toString());
}
else {
throw new HostHttpResponseException(response.code(), response.message());
}
}
private String openHttpConnectionToString(OkHttpClient client, HttpUrl baseUrl, String path) throws IOException {
return openHttpConnectionToString(client, baseUrl, path, null);
}
private String openHttpConnectionToString(OkHttpClient client, HttpUrl baseUrl, String path, String query) throws IOException {
try {
ResponseBody resp = openHttpConnection(client, baseUrl, path, query);
String respString = resp.string();
resp.close();
if (verbose && !path.equals("serverinfo")) {
LimeLog.info(getCompleteUrl(baseUrl, path, query)+" -> "+respString);
}
return respString;
} catch (IOException e) {
if (verbose && !path.equals("serverinfo")) {
LimeLog.warning(getCompleteUrl(baseUrl, path, query)+" -> "+e.getMessage());
e.printStackTrace();
}
throw e;
}
}
public String getServerVersion(String serverInfo) throws XmlPullParserException, IOException {
// appversion is present in all supported GFE versions
return getXmlString(serverInfo, "appversion", true);
}
public PairingManager.PairState getPairState() throws IOException, XmlPullParserException {
return getPairState(getServerInfo(true));
}
public PairingManager.PairState getPairState(String serverInfo) throws IOException, XmlPullParserException {
// appversion is present in all supported GFE versions
return NvHTTP.getXmlString(serverInfo, "PairStatus", true).equals("1") ?
PairState.PAIRED : PairState.NOT_PAIRED;
}
public long getMaxLumaPixelsH264(String serverInfo) throws XmlPullParserException, IOException {
// MaxLumaPixelsH264 wasn't present on old GFE versions
String str = getXmlString(serverInfo, "MaxLumaPixelsH264", false);
if (str != null) {
return Long.parseLong(str);
} else {
return 0;
}
}
public long getMaxLumaPixelsHEVC(String serverInfo) throws XmlPullParserException, IOException {
// MaxLumaPixelsHEVC wasn't present on old GFE versions
String str = getXmlString(serverInfo, "MaxLumaPixelsHEVC", false);
if (str != null) {
return Long.parseLong(str);
} else {
return 0;
}
}
// Possible meaning of bits
// Bit 0: H.264 Baseline
// Bit 1: H.264 High
// ----
// Bit 8: HEVC Main
// Bit 9: HEVC Main10
// Bit 10: HEVC Main10 4:4:4
// Bit 11: ???
public long getServerCodecModeSupport(String serverInfo) throws XmlPullParserException, IOException {
// ServerCodecModeSupport wasn't present on old GFE versions
String str = getXmlString(serverInfo, "ServerCodecModeSupport", false);
if (str != null) {
return Long.parseLong(str);
} else {
return 0;
}
}
public String getGpuType(String serverInfo) throws XmlPullParserException, IOException {
// ServerCodecModeSupport wasn't present on old GFE versions
return getXmlString(serverInfo, "gputype", false);
}
public String getGfeVersion(String serverInfo) throws XmlPullParserException, IOException {
// ServerCodecModeSupport wasn't present on old GFE versions
return getXmlString(serverInfo, "GfeVersion", false);
}
public boolean supports4K(String serverInfo) throws XmlPullParserException, IOException {
// Only allow 4K on GFE 3.x. GfeVersion wasn't present on very old versions of GFE.
String gfeVersionStr = getXmlString(serverInfo, "GfeVersion", false);
if (gfeVersionStr == null || gfeVersionStr.startsWith("2.")) {
return false;
}
return true;
}
public int getCurrentGame(String serverInfo) throws IOException, XmlPullParserException {
// GFE 2.8 started keeping currentgame set to the last game played. As a result, it no longer
// has the semantics that its name would indicate. To contain the effects of this change as much
// as possible, we'll force the current game to zero if the server isn't in a streaming session.
if (getXmlString(serverInfo, "state", true).endsWith("_SERVER_BUSY")) {
return Integer.parseInt(getXmlString(serverInfo, "currentgame", true));
}
else {
return 0;
}
}
public int getHttpsPort(String serverInfo) {
try {
return Integer.parseInt(getXmlString(serverInfo, "HttpsPort", true));
} catch (XmlPullParserException e) {
e.printStackTrace();
return DEFAULT_HTTPS_PORT;
} catch (IOException e) {
e.printStackTrace();
return DEFAULT_HTTPS_PORT;
}
}
public int getExternalPort(String serverInfo) {
// This is an extension which is not present in GFE. It is present for Sunshine to be able
// to support dynamic HTTP WAN ports without requiring the user to manually enter the port.
try {
return Integer.parseInt(getXmlString(serverInfo, "ExternalPort", true));
} catch (XmlPullParserException e) {
// Expected on non-Sunshine servers
return baseUrlHttp.port();
} catch (IOException e) {
e.printStackTrace();
return baseUrlHttp.port();
}
}
public NvApp getAppById(int appId) throws IOException, XmlPullParserException {
LinkedList<NvApp> appList = getAppList();
for (NvApp appFromList : appList) {
if (appFromList.getAppId() == appId) {
return appFromList;
}
}
return null;
}
/* NOTE: Only use this function if you know what you're doing.
* It's totally valid to have two apps named the same thing,
* or even nothing at all! Look apps up by ID if at all possible
* using the above function */
public NvApp getAppByName(String appName) throws IOException, XmlPullParserException {
LinkedList<NvApp> appList = getAppList();
for (NvApp appFromList : appList) {
if (appFromList.getAppName().equalsIgnoreCase(appName)) {
return appFromList;
}
}
return null;
}
public PairingManager getPairingManager() {
return pm;
}
public static LinkedList<NvApp> getAppListByReader(Reader r) throws XmlPullParserException, IOException {
XmlPullParserFactory factory = XmlPullParserFactory.newInstance();
factory.setNamespaceAware(true);
XmlPullParser xpp = factory.newPullParser();
xpp.setInput(r);
int eventType = xpp.getEventType();
LinkedList<NvApp> appList = new LinkedList<NvApp>();
Stack<String> currentTag = new Stack<String>();
boolean rootTerminated = false;
while (eventType != XmlPullParser.END_DOCUMENT) {
switch (eventType) {
case (XmlPullParser.START_TAG):
if (xpp.getName().equals("root")) {
verifyResponseStatus(xpp);
}
currentTag.push(xpp.getName());
if (xpp.getName().equals("App")) {
appList.addLast(new NvApp());
}
break;
case (XmlPullParser.END_TAG):
currentTag.pop();
if (xpp.getName().equals("root")) {
rootTerminated = true;
}
break;
case (XmlPullParser.TEXT):
NvApp app = appList.getLast();
if (currentTag.peek().equals("AppTitle")) {
app.setAppName(xpp.getText());
} else if (currentTag.peek().equals("ID")) {
app.setAppId(xpp.getText());
} else if (currentTag.peek().equals("IsHdrSupported")) {
app.setHdrSupported(xpp.getText().equals("1"));
}
break;
}
eventType = xpp.next();
}
// Throw a malformed XML exception if we've not seen the root tag ended
if (!rootTerminated) {
throw new XmlPullParserException("Malformed XML: Root tag was not terminated");
}
// Ensure that all apps in the list are initialized
ListIterator<NvApp> i = appList.listIterator();
while (i.hasNext()) {
NvApp app = i.next();
// Remove uninitialized apps
if (!app.isInitialized()) {
LimeLog.warning("GFE returned incomplete app: "+app.getAppId()+" "+app.getAppName());
i.remove();
}
}
return appList;
}
public String getAppListRaw() throws IOException {
return openHttpConnectionToString(httpClientLongConnectTimeout, getHttpsUrl(true), "applist");
}
public LinkedList<NvApp> getAppList() throws HostHttpResponseException, IOException, XmlPullParserException {
if (verbose) {
// Use the raw function so the app list is printed
return getAppListByReader(new StringReader(getAppListRaw()));
}
else {
try (final ResponseBody resp = openHttpConnection(httpClientLongConnectTimeout, getHttpsUrl(true), "applist")) {
return getAppListByReader(new InputStreamReader(resp.byteStream()));
}
}
}
String executePairingCommand(String additionalArguments, boolean enableReadTimeout) throws HostHttpResponseException, IOException {
return openHttpConnectionToString(enableReadTimeout ? httpClientLongConnectTimeout : httpClientLongConnectNoReadTimeout,
baseUrlHttp, "pair", "devicename=roth&updateState=1&" + additionalArguments);
}
String executePairingChallenge() throws HostHttpResponseException, IOException {
return openHttpConnectionToString(httpClientLongConnectTimeout, getHttpsUrl(true),
"pair", "devicename=roth&updateState=1&phrase=pairchallenge");
}
public void unpair() throws IOException {
openHttpConnectionToString(httpClientLongConnectTimeout, baseUrlHttp, "unpair");
}
public InputStream getBoxArt(NvApp app) throws IOException {
ResponseBody resp = openHttpConnection(httpClientLongConnectTimeout, getHttpsUrl(true), "appasset", "appid=" + app.getAppId() + "&AssetType=2&AssetIdx=0");
return resp.byteStream();
}
public int getServerMajorVersion(String serverInfo) throws XmlPullParserException, IOException {
return getServerAppVersionQuad(serverInfo)[0];
}
public int[] getServerAppVersionQuad(String serverInfo) throws XmlPullParserException, IOException {
String serverVersion = getServerVersion(serverInfo);
if (serverVersion == null) {
throw new IllegalArgumentException("Missing server version field");
}
String[] serverVersionSplit = serverVersion.split("\\.");
if (serverVersionSplit.length != 4) {
throw new IllegalArgumentException("Malformed server version field: "+serverVersion);
}
int[] ret = new int[serverVersionSplit.length];
for (int i = 0; i < ret.length; i++) {
ret[i] = Integer.parseInt(serverVersionSplit[i]);
}
return ret;
}
final private static char[] hexArray = "0123456789ABCDEF".toCharArray();
private static String bytesToHex(byte[] bytes) {
char[] hexChars = new char[bytes.length * 2];
for ( int j = 0; j < bytes.length; j++ ) {
int v = bytes[j] & 0xFF;
hexChars[j * 2] = hexArray[v >>> 4];
hexChars[j * 2 + 1] = hexArray[v & 0x0F];
}
return new String(hexChars);
}
public boolean launchApp(ConnectionContext context, String verb, int appId, boolean enableHdr) throws IOException, XmlPullParserException {
// Using an FPS value over 60 causes SOPS to default to 720p60,
// so force it to 0 to ensure the correct resolution is set. We
// used to use 60 here but that locked the frame rate to 60 FPS
// on GFE 3.20.3.
int fps = context.isNvidiaServerSoftware && context.streamConfig.getLaunchRefreshRate() > 60 ?
0 : context.streamConfig.getLaunchRefreshRate();
boolean enableSops = context.streamConfig.getSops();
if (context.isNvidiaServerSoftware) {
// Using an unsupported resolution (not 720p, 1080p, or 4K) causes
// GFE to force SOPS to 720p60. This is fine for < 720p resolutions like
// 360p or 480p, but it is not ideal for 1440p and other resolutions.
// When we detect an unsupported resolution, disable SOPS unless it's under 720p.
// FIXME: Detect support resolutions using the serverinfo response, not a hardcoded list
if (context.negotiatedWidth * context.negotiatedHeight > 1280 * 720 &&
context.negotiatedWidth * context.negotiatedHeight != 1920 * 1080 &&
context.negotiatedWidth * context.negotiatedHeight != 3840 * 2160) {
LimeLog.info("Disabling SOPS due to non-standard resolution: "+context.negotiatedWidth+"x"+context.negotiatedHeight);
enableSops = false;
}
}
String xmlStr = openHttpConnectionToString(httpClientLongConnectNoReadTimeout, getHttpsUrl(true), verb,
"appid=" + appId +
"&mode=" + context.negotiatedWidth + "x" + context.negotiatedHeight + "x" + fps +
"&additionalStates=1&sops=" + (enableSops ? 1 : 0) +
"&rikey="+bytesToHex(context.riKey.getEncoded()) +
"&rikeyid="+context.riKeyId +
(!enableHdr ? "" : "&hdrMode=1&clientHdrCapVersion=0&clientHdrCapSupportedFlagsInUint32=0&clientHdrCapMetaDataId=NV_STATIC_METADATA_TYPE_1&clientHdrCapDisplayData=0x0x0x0x0x0x0x0x0x0x0") +
"&localAudioPlayMode=" + (context.streamConfig.getPlayLocalAudio() ? 1 : 0) +
"&surroundAudioInfo=" + context.streamConfig.getAudioConfiguration().getSurroundAudioInfo() +
"&remoteControllersBitmap=" + context.streamConfig.getAttachedGamepadMask() +
"&gcmap=" + context.streamConfig.getAttachedGamepadMask() +
"&gcpersist="+(context.streamConfig.getPersistGamepadsAfterDisconnect() ? 1 : 0));
if ((verb.equals("launch") && !getXmlString(xmlStr, "gamesession", true).equals("0") ||
(verb.equals("resume") && !getXmlString(xmlStr, "resume", true).equals("0")))) {
// sessionUrl0 will be missing for older GFE versions
context.rtspSessionUrl = getXmlString(xmlStr, "sessionUrl0", false);
return true;
}
else {
return false;
}
}
public boolean quitApp() throws IOException, XmlPullParserException {
String xmlStr = openHttpConnectionToString(httpClientLongConnectNoReadTimeout, getHttpsUrl(true), "cancel");
if (getXmlString(xmlStr, "cancel", true).equals("0")) {
return false;
}
// Newer GFE versions will just return success even if quitting fails
// if we're not the original requestor.
if (getCurrentGame(getServerInfo(true)) != 0) {
// Generate a synthetic GfeResponseException letting the caller know
// that they can't kill someone else's stream.
throw new HostHttpResponseException(599, "");
}
return true;
}
// Based on example code from https://blog.dev-area.net/2015/08/13/android-4-1-enable-tls-1-1-and-tls-1-2/
private static class TLSv12SocketFactory extends SSLSocketFactory {
private SSLSocketFactory internalSSLSocketFactory;
public TLSv12SocketFactory(SSLContext context) {
internalSSLSocketFactory = context.getSocketFactory();
}
@Override
public String[] getDefaultCipherSuites() {
return internalSSLSocketFactory.getDefaultCipherSuites();
}
@Override
public String[] getSupportedCipherSuites() {
return internalSSLSocketFactory.getSupportedCipherSuites();
}
@Override
public Socket createSocket() throws IOException {
return enableTLSv12OnSocket(internalSSLSocketFactory.createSocket());
}
@Override
public Socket createSocket(Socket s, String host, int port, boolean autoClose) throws IOException {
return enableTLSv12OnSocket(internalSSLSocketFactory.createSocket(s, host, port, autoClose));
}
@Override
public Socket createSocket(String host, int port) throws IOException {
return enableTLSv12OnSocket(internalSSLSocketFactory.createSocket(host, port));
}
@Override
public Socket createSocket(String host, int port, InetAddress localHost, int localPort) throws IOException {
return enableTLSv12OnSocket(internalSSLSocketFactory.createSocket(host, port, localHost, localPort));
}
@Override
public Socket createSocket(InetAddress host, int port) throws IOException {
return enableTLSv12OnSocket(internalSSLSocketFactory.createSocket(host, port));
}
@Override
public Socket createSocket(InetAddress address, int port, InetAddress localAddress, int localPort) throws IOException {
return enableTLSv12OnSocket(internalSSLSocketFactory.createSocket(address, port, localAddress, localPort));
}
private Socket enableTLSv12OnSocket(Socket socket) {
if (socket instanceof SSLSocket) {
// TLS 1.2 is not enabled by default prior to Android 5.0. We must enable it
// explicitly to ensure we can communicate with GFE 3.20.4 which blocks TLS 1.0.
((SSLSocket)socket).setEnabledProtocols(new String[] {"TLSv1.2"});
}
return socket;
}
}
}