Add ability to identify short-form StreamInfoItems

extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeStreamInfoItemExtractor.java

@@ -324,4 +324,16 @@ public class YoutubeStreamInfoItemExtractor implements StreamInfoItemExtractor {
 
         return null;
     }
+
+    @Override
+    public boolean isShortFormContent() throws ParsingException {
+        try {
+            final String webPageType = videoInfo.getObject("navigationEndpoint")
+                    .getObject("commandMetadata").getObject("webCommandMetadata")
+                    .getString("webPageType");
+            return !isNullOrEmpty(webPageType) && webPageType.equals("WEB_PAGE_TYPE_SHORTS");
+        } catch (final Exception e) {
+            throw new ParsingException("Could not determine if short-form content", e);
+        }
+    }
 }

extractor/src/main/java/org/schabi/newpipe/extractor/stream/StreamInfoItem.java

@@ -42,6 +42,7 @@ public class StreamInfoItem extends InfoItem {
     private String uploaderUrl = null;
     private String uploaderAvatarUrl = null;
     private boolean uploaderVerified = false;
+    private boolean shortFormContent = false;
 
     public StreamInfoItem(final int serviceId,
                           final String url,
@@ -130,6 +131,15 @@ public class StreamInfoItem extends InfoItem {
         this.uploaderVerified = uploaderVerified;
     }
 
+    public boolean isShortFormContent() {
+        return shortFormContent;
+    }
+
+    public void setShortFormContent(final boolean shortFormContent) {
+        this.shortFormContent = shortFormContent;
+    }
+
+
     @Override
     public String toString() {
         return "StreamInfoItem{"

extractor/src/main/java/org/schabi/newpipe/extractor/stream/StreamInfoItemExtractor.java

@@ -127,4 +127,14 @@ public interface StreamInfoItemExtractor extends InfoItemExtractor {
     default String getShortDescription() throws ParsingException {
         return null;
     }
+
+    /**
+     * Check if the stream is a short-form content
+     *
+     * @return {@code true} if the stream is a short-form content
+     * @throws ParsingException thrown if there is an error in the extraction
+     */
+    default boolean isShortFormContent() throws ParsingException {
+        return false;
+    }
 }

extractor/src/main/java/org/schabi/newpipe/extractor/stream/StreamInfoItemsCollector.java

@@ -98,6 +98,11 @@ public class StreamInfoItemsCollector
         } catch (final Exception e) {
             addError(e);
         }
+        try {
+            resultItem.setShortFormContent(extractor.isShortFormContent());
+        } catch (final Exception e) {
+            addError(e);
+        }
 
         return resultItem;
     }

extractor/src/test/java/org/schabi/newpipe/extractor/services/youtube/search/YoutubeSearchExtractorTest.java

@@ -379,4 +379,41 @@ public class YoutubeSearchExtractorTest {
             assertNotNull(((StreamInfoItem) items.get(0)).getShortDescription());
         }
     }
+
+    public static class ShortFormContent extends DefaultSearchExtractorTest {
+        private static SearchExtractor extractor;
+        private static final String QUERY = "#shorts";
+
+        @BeforeAll
+        public static void setUp() throws Exception {
+            YoutubeTestsUtils.ensureStateless();
+            NewPipe.init(DownloaderFactory.getDownloader(RESOURCE_PATH + "shorts"));
+            extractor = YouTube.getSearchExtractor(QUERY, singletonList(VIDEOS), "");
+            extractor.fetchPage();
+        }
+
+        @Override public SearchExtractor extractor() { return extractor; }
+        @Override public StreamingService expectedService() { return YouTube; }
+        @Override public String expectedName() { return QUERY; }
+        @Override public String expectedId() { return QUERY; }
+        @Override public String expectedUrlContains() { return "youtube.com/results?search_query=" + QUERY; }
+        @Override public String expectedOriginalUrlContains() { return "youtube.com/results?search_query=" + QUERY; }
+        @Override public String expectedSearchString() { return QUERY; }
+        @Nullable @Override public String expectedSearchSuggestion() { return null; }
+        @Override public InfoItem.InfoType expectedInfoItemType() { return InfoItem.InfoType.STREAM; }
+
+        @Test
+        public void testVideoDescription() throws IOException, ExtractionException {
+            final List<InfoItem> items = extractor.getInitialPage().getItems();
+            boolean hasShortFormContent = false;
+            for (InfoItem item : items) {
+                if (((StreamInfoItem) item).isShortFormContent()) {
+                    hasShortFormContent = true;
+                    break;
+                }
+            }
+
+            assertTrue(hasShortFormContent);
+        }
+    }
 }

extractor/src/test/resources/org/schabi/newpipe/extractor/services/youtube/extractor/search/shorts/generated_mock_0.json

@@ -0,0 +1,82 @@
+{
+  "request": {
+    "httpMethod": "GET",
+    "url": "https://www.youtube.com/sw.js",
+    "headers": {
+      "Origin": [
+        "https://www.youtube.com"
+      ],
+      "Referer": [
+        "https://www.youtube.com"
+      ],
+      "Accept-Language": [
+        "en-GB, en;q\u003d0.9"
+      ]
+    },
+    "localization": {
+      "languageCode": "en",
+      "countryCode": "GB"
+    }
+  },
+  "response": {
+    "responseCode": 200,
+    "responseMessage": "",
+    "responseHeaders": {
+      "access-control-allow-credentials": [
+        "true"
+      ],
+      "access-control-allow-origin": [
+        "https://www.youtube.com"
+      ],
+      "alt-svc": [
+        "h3\u003d\":443\"; ma\u003d2592000,h3-29\u003d\":443\"; ma\u003d2592000,h3-Q050\u003d\":443\"; ma\u003d2592000,h3-Q046\u003d\":443\"; ma\u003d2592000,h3-Q043\u003d\":443\"; ma\u003d2592000,quic\u003d\":443\"; ma\u003d2592000; v\u003d\"46,43\""
+      ],
+      "cache-control": [
+        "private, max-age\u003d0"
+      ],
+      "content-type": [
+        "text/javascript; charset\u003dutf-8"
+      ],
+      "cross-origin-opener-policy-report-only": [
+        "same-origin; report-to\u003d\"youtube_main\""
+      ],
+      "date": [
+        "Mon, 17 Oct 2022 20:46:09 GMT"
+      ],
+      "expires": [
+        "Mon, 17 Oct 2022 20:46:09 GMT"
+      ],
+      "p3p": [
+        "CP\u003d\"This is not a P3P policy! See http://support.google.com/accounts/answer/151657?hl\u003den-GB for more info.\""
+      ],
+      "permissions-policy": [
+        "ch-ua-arch\u003d*, ch-ua-bitness\u003d*, ch-ua-full-version\u003d*, ch-ua-full-version-list\u003d*, ch-ua-model\u003d*, ch-ua-wow64\u003d*, ch-ua-platform\u003d*, ch-ua-platform-version\u003d*"
+      ],
+      "report-to": [
+        "{\"group\":\"youtube_main\",\"max_age\":2592000,\"endpoints\":[{\"url\":\"https://csp.withgoogle.com/csp/report-to/youtube_main\"}]}"
+      ],
+      "server": [
+        "ESF"
+      ],
+      "set-cookie": [
+        "YSC\u003d6BKzjAdnbq0; Domain\u003d.youtube.com; Path\u003d/; Secure; HttpOnly; SameSite\u003dnone",
+        "VISITOR_INFO1_LIVE\u003d; Domain\u003d.youtube.com; Expires\u003dTue, 21-Jan-2020 20:46:09 GMT; Path\u003d/; Secure; HttpOnly; SameSite\u003dnone",
+        "CONSENT\u003dPENDING+680; expires\u003dWed, 16-Oct-2024 20:46:09 GMT; path\u003d/; domain\u003d.youtube.com; Secure"
+      ],
+      "strict-transport-security": [
+        "max-age\u003d31536000"
+      ],
+      "x-content-type-options": [
+        "nosniff"
+      ],
+      "x-frame-options": [
+        "SAMEORIGIN"
+      ],
+      "x-xss-protection": [
+        "0"
+      ]
+    },
+    "responseBody": "\n  self.addEventListener(\u0027install\u0027, event \u003d\u003e {\n    event.waitUntil(self.skipWaiting());\n  });\n  self.addEventListener(\u0027activate\u0027, event \u003d\u003e {\n    event.waitUntil(\n      self.clients.claim().then(() \u003d\u003e self.registration.unregister()));\n  });\n  ",
+    "latestUrl": "https://www.youtube.com/sw.js"
+  }
+}