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Support short custom YouTube channel URLs #409

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Merged
merged 9 commits into from
Oct 25, 2020
Merged

Support short custom YouTube channel URLs #409

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4e04991
Support short custom youtube channel urls
Oct 8, 2020
8c38a55
Prevent attribution_link urls to be accepted by channel links handler
Oct 9, 2020
9d63211
Fix typos
Bartoshr Oct 12, 2020
7abb4b3
Update extractor/src/main/java/org/schabi/newpipe/extractor/services/…
Bartoshr Oct 12, 2020
5ab1b05
Update youtube channel link handler tests
Bartoshr Oct 12, 2020
e3f996e
Exlude links which are not channels
Oct 12, 2020
d3f80d1
Exlude links which are not channels
Oct 20, 2020
0e67d82
Use static regex pattern for excluded path segments
Oct 22, 2020
29695ae
Small field refactor
Oct 23, 2020
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28 changes: 23 additions & 5 deletions ...habi/newpipe/extractor/services/youtube/linkHandler/YoutubeChannelLinkHandlerFactory.java
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Original file line number Diff line number Diff line change
Expand Up @@ -49,6 +49,18 @@ public String getUrl(String id, List<String> contentFilters, String searchFilter
return "https://www.youtube.com/" + id;
}

/**
* Returns true if path conform to
* custom short channel URLs like youtube.com/yourcustomname
*
* @param splitPath path segments array
* @return true - if value conform to short channel URL, false - not
*/
private boolean isCustomShortChannelUrl(String[] splitPath) {
return splitPath.length == 1 &&
!splitPath[0].matches("playlist|watch|attribution_link|watch_popup|embed|feed|select_site");
}

@Override
public String getId(String url) throws ParsingException {
try {
Expand All @@ -60,14 +72,20 @@ public String getId(String url) throws ParsingException {
throw new ParsingException("the URL given is not a Youtube-URL");
}

if (!path.startsWith("/user/") && !path.startsWith("/channel/") && !path.startsWith("/c/")) {
throw new ParsingException("the URL given is neither a channel nor an user");
}

// remove leading "/"
path = path.substring(1);

String[] splitPath = path.split("/");

// Handle custom short channel URLs like youtube.com/yourcustomname
if (isCustomShortChannelUrl(splitPath)) {
path = "c/" + path;
splitPath = path.split("/");
}

if (!path.startsWith("user/") && !path.startsWith("channel/") && !path.startsWith("c/")) {
throw new ParsingException("the URL given is neither a channel nor an user");
}

String id = splitPath[1];

if (id == null || !id.matches("[A-Za-z0-9_-]+")) {
Expand Down
15 changes: 15 additions & 0 deletions ...a/org/schabi/newpipe/extractor/services/youtube/YoutubeChannelLinkHandlerFactoryTest.java
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Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,7 @@
import org.schabi.newpipe.extractor.services.youtube.linkHandler.YoutubeChannelLinkHandlerFactory;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;

/**
Expand All @@ -30,6 +31,8 @@ public void acceptUrlTest() throws ParsingException {

assertTrue(linkHandler.acceptUrl("https://www.youtube.com/c/creatoracademy"));

assertTrue(linkHandler.acceptUrl("https://youtube.com/DIMENSI0N"));

assertTrue(linkHandler.acceptUrl("https://www.youtube.com/channel/UClq42foiSgl7sSpLupnugGA"));
assertTrue(linkHandler.acceptUrl("https://www.youtube.com/channel/UClq42foiSgl7sSpLupnugGA/videos?disable_polymer=1"));

Expand All @@ -44,6 +47,18 @@ public void acceptUrlTest() throws ParsingException {

assertTrue(linkHandler.acceptUrl("https://invidio.us/channel/UClq42foiSgl7sSpLupnugGA"));
assertTrue(linkHandler.acceptUrl("https://invidio.us/channel/UClq42foiSgl7sSpLupnugGA/videos?disable_polymer=1"));
assertTrue(linkHandler.acceptUrl("https://www.youtube.com/watchismo"));


// do not accept URLs which are not channels
assertFalse(linkHandler.acceptUrl("https://www.youtube.com/watch?v=jZViOEv90dI&t=100"));
assertFalse(linkHandler.acceptUrl("http://www.youtube.com/watch_popup?v=uEJuoEs1UxY"));
assertFalse(linkHandler.acceptUrl("http://www.youtube.com/attribution_link?a=JdfC0C9V6ZI&u=%2Fwatch%3Fv%3DEhxJLojIE_o%26feature%3Dshare"));
assertFalse(linkHandler.acceptUrl("https://www.youtube.com/playlist?list=PLW5y1tjAOzI3orQNF1yGGVL5x-pR2K1d"));
assertFalse(linkHandler.acceptUrl("https://www.youtube.com/embed/jZViOEv90dI"));
assertFalse(linkHandler.acceptUrl("https://www.youtube.com/feed/subscriptions?list=PLz8YL4HVC87WJQDzVoY943URKQCsHS9XV"));
assertFalse(linkHandler.acceptUrl("https://www.youtube.com/?app=desktop&persist_app=1"));
assertFalse(linkHandler.acceptUrl("https://m.youtube.com/select_site"));
}

@Test
Expand Down