[crunchyroll] Force Accept-Language to any for all requests (Closes #6797)

youtube_dl/extractor/crunchyroll.py

@@ -31,7 +31,23 @@
 )
 
 
-class CrunchyrollIE(InfoExtractor):
+class CrunchyrollBaseIE(InfoExtractor):
+    def _download_webpage(self, url_or_request, video_id, note=None, errnote=None, fatal=True, tries=1, timeout=5, encoding=None):
+        request = (url_or_request if isinstance(url_or_request, compat_urllib_request.Request)
+                   else compat_urllib_request.Request(url_or_request))
+        # Accept-Language must be set explicitly to accept any language to avoid issues
+        # similar to https://github.com/rg3/youtube-dl/issues/6797.
+        # Along with IP address Crunchyroll uses Accept-Language to guess whether georestriction
+        # should be imposed or not (from what I can see it just takes the first language
+        # ignoring the priority and requires it to correspond the IP). By the way this causes
+        # Crunchyroll to not work in georestriction cases in some browsers that don't place
+        # the locale lang first in header. However allowing any language seems to workaround the issue.
+        request.add_header('Accept-Language', '*')
+        return super(CrunchyrollBaseIE, self)._download_webpage(
+            request, video_id, note, errnote, fatal, tries, timeout, encoding)
+
+
+class CrunchyrollIE(CrunchyrollBaseIE):
     _VALID_URL = r'https?://(?:(?P<prefix>www|m)\.)?(?P<url>crunchyroll\.(?:com|fr)/(?:media(?:-|/\?id=)|[^/]*/[^/?&]*?)(?P<video_id>[0-9]+))(?:[/?&]|$)'
     _NETRC_MACHINE = 'crunchyroll'
     _TESTS = [{
@@ -330,7 +346,7 @@ def _real_extract(self, url):
         }
 
 
-class CrunchyrollShowPlaylistIE(InfoExtractor):
+class CrunchyrollShowPlaylistIE(CrunchyrollBaseIE):
     IE_NAME = "crunchyroll:playlist"
     _VALID_URL = r'https?://(?:(?P<prefix>www|m)\.)?(?P<url>crunchyroll\.com/(?!(?:news|anime-news|library|forum|launchcalendar|lineup|store|comics|freetrial|login))(?P<id>[\w\-]+))/?$'