Add support for y2u.be links

Author: triallax

extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/YoutubeParsingHelper.java

@@ -162,6 +162,10 @@ public static boolean isInvidioURL(@Nonnull final URL url) {
                 || host.equalsIgnoreCase("y.com.cm");
     }
 
+    public static boolean isY2ubeURL(@Nonnull final URL url) {
+        return url.getHost().equalsIgnoreCase("y2u.be");
+    }
+
     /**
      * Parses the duration string of the video expecting ":" or "." as separators
      *

extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/linkHandler/YoutubeStreamLinkHandlerFactory.java

@@ -110,7 +110,7 @@ public String getId(String urlString) throws ParsingException, IllegalArgumentEx
 
         if (!Utils.isHTTP(url) || !(YoutubeParsingHelper.isYoutubeURL(url) ||
                 YoutubeParsingHelper.isYoutubeServiceURL(url) || YoutubeParsingHelper.isHooktubeURL(url) ||
-                YoutubeParsingHelper.isInvidioURL(url))) {
+                YoutubeParsingHelper.isInvidioURL(url) || YoutubeParsingHelper.isY2ubeURL(url))) {
             if (host.equalsIgnoreCase("googleads.g.doubleclick.net")) {
                 throw new FoundAdException("Error found ad: " + urlString);
             }
@@ -160,6 +160,7 @@ public String getId(String urlString) throws ParsingException, IllegalArgumentEx
                 return assertIsId(viewQueryValue);
             }
 
+            case "Y2U.BE":
             case "YOUTU.BE": {
                 String viewQueryValue = Utils.getQueryValue(url, "v");
                 if (viewQueryValue != null) {

extractor/src/test/java/org/schabi/newpipe/extractor/services/youtube/YoutubeCommentsLinkHandlerFactoryTest.java

@@ -61,4 +61,10 @@ public void getIdFromInvidious() throws ParsingException {
         assertEquals("VM_6n762j6M", linkHandler.fromUrl("https://invidio.us/VM_6n762j6M&t=20").getId());
     }
 
+    @Test
+    public void getIdFromY2ube() throws ParsingException {
+        assertEquals("VM_6n762j6M", linkHandler.fromUrl("https://y2u.be/VM_6n762j6M").getId());
+        assertEquals("VM_6n762j6M", linkHandler.fromUrl("https://Y2U.Be/VM_6n762j6M").getId());
+    }
+
 }