Improvements to reqwest4j init, warm up extractor, init youtube country on new thread

src/main/java/me/kavin/piped/Main.java

@@ -21,15 +21,18 @@ import org.schabi.newpipe.extractor.localization.ContentCountry;
 import org.schabi.newpipe.extractor.localization.Localization;
 import org.schabi.newpipe.extractor.services.youtube.YoutubeJavaScriptPlayerManager;
 import org.schabi.newpipe.extractor.services.youtube.extractors.YoutubeStreamExtractor;
+import org.schabi.newpipe.extractor.stream.StreamInfo;
+import rocks.kavin.reqwest4j.ReqwestUtils;
 
 import java.security.Security;
 import java.util.*;
 import java.util.concurrent.CompletableFuture;
 import java.util.concurrent.ConcurrentLinkedQueue;
 import java.util.concurrent.TimeUnit;
+import java.util.regex.Pattern;
 import java.util.stream.Collectors;
 
-import static me.kavin.piped.consts.Constants.MATRIX_SERVER;
+import static me.kavin.piped.consts.Constants.*;
 
 public class Main {
 
@@ -38,10 +41,32 @@ public class Main {
         Security.setProperty("crypto.policy", "unlimited");
         Security.addProvider(new BouncyCastleProvider());
 
+        ReqwestUtils.init(REQWEST_PROXY_USER, REQWEST_PROXY, REQWEST_PROXY_PASS);
+
         NewPipe.init(new DownloaderImpl(), new Localization("en", "US"), ContentCountry.DEFAULT, Multithreading.getCachedExecutor());
         YoutubeStreamExtractor.forceFetchAndroidClient(true);
         YoutubeStreamExtractor.forceFetchIosClient(true);
 
+        // Warm up the extractor
+        try {
+            StreamInfo.getInfo("https://www.youtube.com/watch?v=dQw4w9WgXcQ");
+        } catch (Exception ignored) {
+        }
+
+        // Find country code, used for georestricted videos
+        Thread.ofVirtual().start(() -> {
+            try {
+                var html = RequestUtils.sendGet("https://www.youtube.com/").get();
+                var regex = Pattern.compile("GL\":\"([A-Z]{2})\"", Pattern.MULTILINE);
+                var matcher = regex.matcher(html);
+                if (matcher.find()) {
+                    YOUTUBE_COUNTRY = matcher.group(1);
+                }
+            } catch (Exception ignored) {
+                System.err.println("Failed to get country from YouTube!");
+            }
+        });
+
         Sentry.init(options -> {
             options.setDsn(Constants.SENTRY_DSN);
             options.setRelease(Constants.VERSION);

src/main/java/me/kavin/piped/consts/Constants.java

@@ -103,7 +103,7 @@ public class Constants {
 
     public static final String GEO_RESTRICTION_CHECKER_URL;
 
-    public static final String YOUTUBE_COUNTRY;
+    public static String YOUTUBE_COUNTRY;
 
     public static final String VERSION;
 
@@ -140,7 +140,6 @@ public class Constants {
             REQWEST_PROXY = getProperty(prop, "REQWEST_PROXY");
             REQWEST_PROXY_USER = getProperty(prop, "REQWEST_PROXY_USER");
             REQWEST_PROXY_PASS = getProperty(prop, "REQWEST_PROXY_PASS");
-            ReqwestUtils.init(REQWEST_PROXY, REQWEST_PROXY_USER, REQWEST_PROXY_PASS);
             FRONTEND_URL = getProperty(prop, "FRONTEND_URL", "https://piped.video");
             COMPROMISED_PASSWORD_CHECK = Boolean.parseBoolean(getProperty(prop, "COMPROMISED_PASSWORD_CHECK", "true"));
             DISABLE_REGISTRATION = Boolean.parseBoolean(getProperty(prop, "DISABLE_REGISTRATION", "false"));
@@ -202,18 +201,6 @@ public class Constants {
                     .addInterceptor(BrotliInterceptor.INSTANCE);
             h2client = builder.build();
             h2_no_redir_client = builder_noredir.build();
-            String temp = null;
-            try {
-                var html = RequestUtils.sendGet("https://www.youtube.com/").get();
-                var regex = Pattern.compile("GL\":\"([A-Z]{2})\"", Pattern.MULTILINE);
-                var matcher = regex.matcher(html);
-                if (matcher.find()) {
-                    temp = matcher.group(1);
-                }
-            } catch (Exception ignored) {
-                System.err.println("Failed to get country from YouTube!");
-            }
-            YOUTUBE_COUNTRY = temp;
             VERSION = new File("VERSION").exists() ?
                     IOUtils.toString(new FileReader("VERSION")) :
                     "unknown";

src/main/java/me/kavin/piped/utils/matrix/SyncRunner.java

@@ -132,6 +132,9 @@ public class SyncRunner implements Runnable {
                             if (!UNAUTHENTICATED && type.startsWith("video.piped.stream.bypass.")) {
                                 switch (type) {
                                     case "video.piped.stream.bypass.request" -> {
+                                        if (Constants.YOUTUBE_COUNTRY == null) {
+                                            continue;
+                                        }
                                         FederatedGeoBypassRequest bypassRequest = mapper.treeToValue(content, FederatedGeoBypassRequest.class);
                                         if (bypassRequest.getAllowedCountries().contains(Constants.YOUTUBE_COUNTRY)) {
                                             // We're capable of helping another instance!