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NewPipeExtractor
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[YouTube] Improve detection of reCAPTCHA pages

This commit is contained in:
Mauricio Colli 2019-10-29 02:00:29 -03:00
parent 9a325b280d
commit c4fe2183ce
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GPG Key ID: F200BFD6F29DDD85
8 changed files with 59 additions and 26 deletions
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3
extractor/src/main/java/org/schabi/newpipe/extractor/Downloader.java
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@ -62,6 +62,9 @@ public interface Downloader {
DownloadResponse head(String siteUrl) throws IOException, ReCaptchaException;
DownloadResponse get(String siteUrl, Localization localization)
throws IOException, ReCaptchaException;
DownloadResponse get(String siteUrl, DownloadRequest request)
throws IOException, ReCaptchaException;

6
extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeChannelExtractor.java
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@ -7,6 +7,7 @@ import com.grack.nanojson.JsonParserException;
import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;
import org.jsoup.nodes.Element;
import org.schabi.newpipe.extractor.DownloadResponse;
import org.schabi.newpipe.extractor.Downloader;
import org.schabi.newpipe.extractor.NewPipe;
import org.schabi.newpipe.extractor.StreamingService;
@ -14,6 +15,7 @@ import org.schabi.newpipe.extractor.channel.ChannelExtractor;
import org.schabi.newpipe.extractor.exceptions.ExtractionException;
import org.schabi.newpipe.extractor.exceptions.ParsingException;
import org.schabi.newpipe.extractor.linkhandler.ListLinkHandler;
import org.schabi.newpipe.extractor.services.youtube.linkHandler.YoutubeParsingHelper;
import org.schabi.newpipe.extractor.stream.StreamInfoItem;
import org.schabi.newpipe.extractor.stream.StreamInfoItemsCollector;
import org.schabi.newpipe.extractor.utils.DonationLinkHelper;
@ -60,8 +62,8 @@ public class YoutubeChannelExtractor extends ChannelExtractor {
@Override
public void onFetchPage(@Nonnull Downloader downloader) throws IOException, ExtractionException {
String channelUrl = super.getUrl() + CHANNEL_URL_PARAMETERS;
String pageContent = downloader.download(channelUrl);
doc = Jsoup.parse(pageContent, channelUrl);
final DownloadResponse response = downloader.get(channelUrl);
doc = YoutubeParsingHelper.parseAndCheckPage(channelUrl, response);
}
@Override

6
extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubePlaylistExtractor.java
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@ -6,6 +6,7 @@ import com.grack.nanojson.JsonParserException;
import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;
import org.jsoup.nodes.Element;
import org.schabi.newpipe.extractor.DownloadResponse;
import org.schabi.newpipe.extractor.Downloader;
import org.schabi.newpipe.extractor.StreamingService;
import org.schabi.newpipe.extractor.exceptions.ExtractionException;
@ -35,8 +36,9 @@ public class YoutubePlaylistExtractor extends PlaylistExtractor {
@Override
public void onFetchPage(@Nonnull Downloader downloader) throws IOException, ExtractionException {
String pageContent = downloader.download(getUrl());
doc = Jsoup.parse(pageContent, getUrl());
final String url = getUrl();
final DownloadResponse response = downloader.get(url);
doc = YoutubeParsingHelper.parseAndCheckPage(url, response);
}
@Override

10
extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeSearchExtractor.java
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@ -3,6 +3,7 @@ package org.schabi.newpipe.extractor.services.youtube.extractors;
import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;
import org.jsoup.nodes.Element;
import org.schabi.newpipe.extractor.DownloadResponse;
import org.schabi.newpipe.extractor.Downloader;
import org.schabi.newpipe.extractor.InfoItem;
import org.schabi.newpipe.extractor.StreamingService;
@ -12,6 +13,7 @@ import org.schabi.newpipe.extractor.search.InfoItemsSearchCollector;
import org.schabi.newpipe.extractor.search.SearchExtractor;
import org.schabi.newpipe.extractor.linkhandler.SearchQueryHandler;
import org.schabi.newpipe.extractor.utils.Localization;
import org.schabi.newpipe.extractor.services.youtube.linkHandler.YoutubeParsingHelper;
import org.schabi.newpipe.extractor.utils.Parser;
import javax.annotation.Nonnull;
@ -52,13 +54,9 @@ public class YoutubeSearchExtractor extends SearchExtractor {
@Override
public void onFetchPage(@Nonnull Downloader downloader) throws IOException, ExtractionException {
final String site;
final String url = getUrl();
//String url = builder.build().toString();
//if we've been passed a valid language code, append it to the URL
site = downloader.download(url, getLocalization());
doc = Jsoup.parse(site, url);
final DownloadResponse response = downloader.get(url, getLocalization());
doc = YoutubeParsingHelper.parseAndCheckPage(url, response);
}
@Override

21
extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeStreamExtractor.java
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@ -18,6 +18,7 @@ import org.schabi.newpipe.extractor.exceptions.ParsingException;
import org.schabi.newpipe.extractor.exceptions.ReCaptchaException;
import org.schabi.newpipe.extractor.linkhandler.LinkHandler;
import org.schabi.newpipe.extractor.services.youtube.ItagItem;
import org.schabi.newpipe.extractor.services.youtube.linkHandler.YoutubeParsingHelper;
import org.schabi.newpipe.extractor.stream.*;
import org.schabi.newpipe.extractor.utils.Localization;
import org.schabi.newpipe.extractor.utils.Parser;
@ -611,18 +612,12 @@ public class YoutubeStreamExtractor extends StreamExtractor {
private String pageHtml = null;
private String getPageHtml(Downloader downloader) throws IOException, ExtractionException {
final String verifiedUrl = getUrl() + VERIFIED_URL_PARAMS;
if (pageHtml == null) {
pageHtml = downloader.download(verifiedUrl);
}
return pageHtml;
}
@Override
public void onFetchPage(@Nonnull Downloader downloader) throws IOException, ExtractionException {
final String pageContent = getPageHtml(downloader);
doc = Jsoup.parse(pageContent, getUrl());
final String verifiedUrl = getUrl() + VERIFIED_URL_PARAMS;
final DownloadResponse response = downloader.get(verifiedUrl);
pageHtml = response.getResponseBody();
doc = YoutubeParsingHelper.parseAndCheckPage(verifiedUrl, response);
final String playerUrl;
// Check if the video is age restricted
@ -634,7 +629,7 @@ public class YoutubeStreamExtractor extends StreamExtractor {
playerUrl = info.url;
isAgeRestricted = true;
} else {
final JsonObject ytPlayerConfig = getPlayerConfig(pageContent);
final JsonObject ytPlayerConfig = getPlayerConfig();
playerArgs = getPlayerArgs(ytPlayerConfig);
playerUrl = getPlayerUrl(ytPlayerConfig);
isAgeRestricted = false;
@ -650,9 +645,9 @@ public class YoutubeStreamExtractor extends StreamExtractor {
}
}
private JsonObject getPlayerConfig(String pageContent) throws ParsingException {
private JsonObject getPlayerConfig() throws ParsingException {
try {
String ytPlayerConfigRaw = Parser.matchGroup1("ytplayer.config\\s*=\\s*(\\{.*?\\});", pageContent);
String ytPlayerConfigRaw = Parser.matchGroup1("ytplayer.config\\s*=\\s*(\\{.*?\\});", pageHtml);
return JsonParser.object().from(ytPlayerConfigRaw);
} catch (Parser.RegexException e) {
String errorReason = getErrorMessage();

6
extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeTrendingExtractor.java
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@ -24,12 +24,14 @@ import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;
import org.jsoup.nodes.Element;
import org.jsoup.select.Elements;
import org.schabi.newpipe.extractor.DownloadResponse;
import org.schabi.newpipe.extractor.Downloader;
import org.schabi.newpipe.extractor.linkhandler.ListLinkHandler;
import org.schabi.newpipe.extractor.StreamingService;
import org.schabi.newpipe.extractor.exceptions.ExtractionException;
import org.schabi.newpipe.extractor.exceptions.ParsingException;
import org.schabi.newpipe.extractor.kiosk.KioskExtractor;
import org.schabi.newpipe.extractor.services.youtube.linkHandler.YoutubeParsingHelper;
import org.schabi.newpipe.extractor.stream.StreamInfoItem;
import org.schabi.newpipe.extractor.stream.StreamInfoItemsCollector;
import org.schabi.newpipe.extractor.utils.Localization;
@ -56,8 +58,8 @@ public class YoutubeTrendingExtractor extends KioskExtractor<StreamInfoItem> {
url += "?gl=" + contentCountry;
}
String pageContent = downloader.download(url);
doc = Jsoup.parse(pageContent, url);
final DownloadResponse response = downloader.get(url);
doc = YoutubeParsingHelper.parseAndCheckPage(url, response);
}
@Override

21
extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/linkHandler/YoutubeParsingHelper.java
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@ -1,7 +1,11 @@
package org.schabi.newpipe.extractor.services.youtube.linkHandler;
import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;
import org.schabi.newpipe.extractor.DownloadResponse;
import org.schabi.newpipe.extractor.exceptions.ParsingException;
import org.schabi.newpipe.extractor.exceptions.ReCaptchaException;
import java.net.URL;
@ -30,6 +34,23 @@ public class YoutubeParsingHelper {
private YoutubeParsingHelper() {
}
private static final String[] RECAPTCHA_DETECTION_SELECTORS = {
"form[action*=\"/das_captcha\"]",
"input[name*=\"action_recaptcha_verify\"]"
};
public static Document parseAndCheckPage(final String url, final DownloadResponse response) throws ReCaptchaException {
final Document document = Jsoup.parse(response.getResponseBody(), url);
for (String detectionSelector : RECAPTCHA_DETECTION_SELECTORS) {
if (!document.select(detectionSelector).isEmpty()) {
throw new ReCaptchaException("reCAPTCHA challenge requested (detected with selector: \"" + detectionSelector + "\")", url);
}
}
return document;
}
public static boolean isYoutubeURL(URL url) {
String host = url.getHost();
return host.equalsIgnoreCase("youtube.com") || host.equalsIgnoreCase("www.youtube.com")

10
extractor/src/test/java/org/schabi/newpipe/Downloader.java
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@ -16,6 +16,8 @@ import org.schabi.newpipe.extractor.DownloadResponse;
import org.schabi.newpipe.extractor.exceptions.ReCaptchaException;
import org.schabi.newpipe.extractor.utils.Localization;
import static java.util.Collections.singletonList;
/*
* Created by Christian Schabesberger on 28.01.16.
*
@ -194,6 +196,14 @@ public class Downloader implements org.schabi.newpipe.extractor.Downloader {
return new DownloadResponse(con.getResponseCode(), null, con.getHeaderFields());
}
@Override
public DownloadResponse get(String siteUrl, Localization localization) throws IOException, ReCaptchaException {
final Map<String, List<String>> requestHeaders = new HashMap<>();
requestHeaders.put("Accept-Language", singletonList(localization.getLanguage()));
return get(siteUrl, new DownloadRequest(null, requestHeaders));
}
@Override
public DownloadResponse get(String siteUrl, DownloadRequest request)
throws IOException, ReCaptchaException {