Adding upstream version 2024.03.10.upstream/2024.03.10

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 525 insertions, 0 deletions

diff --git a/yt_dlp/extractor/nexx.py b/yt_dlp/extractor/nexx.py
new file mode 100644
index 0000000..b4874c8
--- /dev/null
+++ b/yt_dlp/extractor/nexx.py
@@ -0,0 +1,525 @@
+import hashlib
+import random
+import re
+import time
+
+from .common import InfoExtractor
+from ..compat import compat_str
+from ..utils import (
+    ExtractorError,
+    int_or_none,
+    parse_duration,
+    srt_subtitles_timecode,
+    traverse_obj,
+    try_get,
+    urlencode_postdata,
+)
+
+
+class NexxIE(InfoExtractor):
+    _VALID_URL = r'''(?x)
+                        (?:
+                            https?://api\.nexx(?:\.cloud|cdn\.com)/v3(?:\.\d)?/(?P<domain_id>\d+)/videos/byid/|
+                            nexx:(?:(?P<domain_id_s>\d+):)?|
+                            https?://arc\.nexx\.cloud/api/video/
+                        )
+                        (?P<id>\d+)
+                    '''
+    _TESTS = [{
+        # movie
+        'url': 'https://api.nexx.cloud/v3/748/videos/byid/128907',
+        'md5': '31899fd683de49ad46f4ee67e53e83fe',
+        'info_dict': {
+            'id': '128907',
+            'ext': 'mp4',
+            'title': 'Stiftung Warentest',
+            'alt_title': 'Wie ein Test abläuft',
+            'description': 'md5:d1ddb1ef63de721132abd38639cc2fd2',
+            'creator': 'SPIEGEL TV',
+            'thumbnail': r're:^https?://.*\.jpg$',
+            'duration': 2509,
+            'timestamp': 1384264416,
+            'upload_date': '20131112',
+        },
+        'skip': 'Spiegel nexx CDNs are now disabled'
+    }, {
+        # episode with captions
+        'url': 'https://api.nexx.cloud/v3.1/741/videos/byid/1701834',
+        'info_dict': {
+            'id': '1701834',
+            'ext': 'mp4',
+            'title': 'Mein Leben mit \'nem TikTok E-Boy 😤',
+            'alt_title': 'Mein Leben mit \'nem TikTok E-Boy 😤',
+            'description': 'md5:f84f395a881fd143f952c892deab528d',
+            'thumbnail': r're:^https?://.*\.jpg$',
+            'duration': 770,
+            'timestamp': 1595600027,
+            'upload_date': '20200724',
+            'episode_number': 2,
+            'season_number': 2,
+            'episode': 'Episode 2',
+            'season': 'Season 2',
+        },
+        'params': {
+            'skip_download': True,
+        },
+    }, {
+        'url': 'nexx:741:1269984',
+        'md5': 'd5f14e14b592501e51addd5abef95a7f',
+        'info_dict': {
+            'id': '1269984',
+            'ext': 'mp4',
+            'title': '1 TAG ohne KLO... wortwörtlich! ?',
+            'alt_title': '1 TAG ohne KLO... wortwörtlich! ?',
+            'description': 'md5:2016393a31991a900946432ccdd09a6f',
+            'thumbnail': r're:^https?://.*\.jpg$',
+            'duration': 607,
+            'timestamp': 1518614955,
+            'upload_date': '20180214',
+        },
+    }, {
+        # free cdn from http://www.spiegel.de/video/eifel-zoo-aufregung-um-ausgebrochene-raubtiere-video-99018031.html
+        'url': 'nexx:747:1533779',
+        'md5': '6bf6883912b82b7069fb86c2297e9893',
+        'info_dict': {
+            'id': '1533779',
+            'ext': 'mp4',
+            'title': 'Aufregung um ausgebrochene Raubtiere',
+            'alt_title': 'Eifel-Zoo',
+            'description': 'md5:f21375c91c74ad741dcb164c427999d2',
+            'thumbnail': r're:^https?://.*\.jpg$',
+            'duration': 111,
+            'timestamp': 1527874460,
+            'upload_date': '20180601',
+        },
+        'skip': 'Spiegel nexx CDNs are now disabled'
+    }, {
+        'url': 'https://api.nexxcdn.com/v3/748/videos/byid/128907',
+        'only_matching': True,
+    }, {
+        'url': 'nexx:748:128907',
+        'only_matching': True,
+    }, {
+        'url': 'nexx:128907',
+        'only_matching': True,
+    }, {
+        'url': 'https://arc.nexx.cloud/api/video/128907.json',
+        'only_matching': True,
+    }]
+
+    @staticmethod
+    def _extract_domain_id(webpage):
+        mobj = re.search(
+            r'<script\b[^>]+\bsrc=["\'](?:https?:)?//(?:require|arc)\.nexx(?:\.cloud|cdn\.com)/(?:sdk/)?(?P<id>\d+)',
+            webpage)
+        return mobj.group('id') if mobj else None
+
+    @classmethod
+    def _extract_embed_urls(cls, url, webpage):
+        # Reference:
+        # 1. https://nx-s.akamaized.net/files/201510/44.pdf
+
+        entries = []
+
+        # JavaScript Integration
+        domain_id = NexxIE._extract_domain_id(webpage)
+        if domain_id:
+            for video_id in re.findall(
+                    r'(?is)onPLAYReady.+?_play\.(?:init|(?:control\.)?addPlayer)\s*\(.+?\s*,\s*["\']?(\d+)',
+                    webpage):
+                entries.append(
+                    'https://api.nexx.cloud/v3/%s/videos/byid/%s'
+                    % (domain_id, video_id))
+
+        # TODO: support more embed formats
+
+        return entries
+
+    def _handle_error(self, response):
+        if traverse_obj(response, ('metadata', 'notice'), expected_type=str):
+            self.report_warning('%s said: %s' % (self.IE_NAME, response['metadata']['notice']))
+        status = int_or_none(try_get(
+            response, lambda x: x['metadata']['status']) or 200)
+        if 200 <= status < 300:
+            return
+        raise ExtractorError(
+            '%s said: %s' % (self.IE_NAME, response['metadata']['errorhint']),
+            expected=True)
+
+    def _call_api(self, domain_id, path, video_id, data=None, headers={}):
+        headers['Content-Type'] = 'application/x-www-form-urlencoded; charset=UTF-8'
+        result = self._download_json(
+            'https://api.nexx.cloud/v3/%s/%s' % (domain_id, path), video_id,
+            'Downloading %s JSON' % path, data=urlencode_postdata(data),
+            headers=headers)
+        self._handle_error(result)
+        return result['result']
+
+    def _extract_free_formats(self, video, video_id):
+        stream_data = video['streamdata']
+        cdn = stream_data['cdnType']
+        assert cdn == 'free'
+
+        hash = video['general']['hash']
+
+        ps = compat_str(stream_data['originalDomain'])
+        if stream_data['applyFolderHierarchy'] == 1:
+            s = ('%04d' % int(video_id))[::-1]
+            ps += '/%s/%s' % (s[0:2], s[2:4])
+        ps += '/%s/%s_' % (video_id, hash)
+
+        t = 'http://%s' + ps
+        fd = stream_data['azureFileDistribution'].split(',')
+        cdn_provider = stream_data['cdnProvider']
+
+        def p0(p):
+            return '_%s' % p if stream_data['applyAzureStructure'] == 1 else ''
+
+        formats = []
+        if cdn_provider == 'ak':
+            t += ','
+            for i in fd:
+                p = i.split(':')
+                t += p[1] + p0(int(p[0])) + ','
+            t += '.mp4.csmil/master.%s'
+        elif cdn_provider == 'ce':
+            k = t.split('/')
+            h = k.pop()
+            http_base = t = '/'.join(k)
+            http_base = http_base % stream_data['cdnPathHTTP']
+            t += '/asset.ism/manifest.%s?dcp_ver=aos4&videostream='
+            for i in fd:
+                p = i.split(':')
+                tbr = int(p[0])
+                filename = '%s%s%s.mp4' % (h, p[1], p0(tbr))
+                f = {
+                    'url': http_base + '/' + filename,
+                    'format_id': '%s-http-%d' % (cdn, tbr),
+                    'tbr': tbr,
+                }
+                width_height = p[1].split('x')
+                if len(width_height) == 2:
+                    f.update({
+                        'width': int_or_none(width_height[0]),
+                        'height': int_or_none(width_height[1]),
+                    })
+                formats.append(f)
+                a = filename + ':%s' % (tbr * 1000)
+                t += a + ','
+            t = t[:-1] + '&audiostream=' + a.split(':')[0]
+        else:
+            assert False
+
+        if cdn_provider == 'ce':
+            formats.extend(self._extract_mpd_formats(
+                t % (stream_data['cdnPathDASH'], 'mpd'), video_id,
+                mpd_id='%s-dash' % cdn, fatal=False))
+        formats.extend(self._extract_m3u8_formats(
+            t % (stream_data['cdnPathHLS'], 'm3u8'), video_id, 'mp4',
+            entry_protocol='m3u8_native', m3u8_id='%s-hls' % cdn, fatal=False))
+
+        return formats
+
+    def _extract_3q_formats(self, video, video_id):
+        stream_data = video['streamdata']
+        cdn = stream_data['cdnType']
+        assert cdn == '3q'
+
+        q_acc, q_prefix, q_locator, q_hash = stream_data['qAccount'], stream_data['qPrefix'], stream_data['qLocator'], stream_data['qHash']
+        protection_key = traverse_obj(
+            video, ('protectiondata', 'key'), expected_type=str)
+
+        def get_cdn_shield_base(shield_type=''):
+            for secure in ('', 's'):
+                cdn_shield = stream_data.get('cdnShield%sHTTP%s' % (shield_type, secure.upper()))
+                if cdn_shield:
+                    return 'http%s://%s' % (secure, cdn_shield)
+            return f'http://sdn-global-{"prog" if shield_type.lower() == "prog" else "streaming"}-cache.3qsdn.com/' + (f's/{protection_key}/' if protection_key else '')
+
+        stream_base = get_cdn_shield_base()
+
+        formats = []
+        formats.extend(self._extract_m3u8_formats(
+            f'{stream_base}{q_acc}/files/{q_prefix}/{q_locator}/{q_acc}-{stream_data.get("qHEVCHash") or q_hash}.ism/manifest.m3u8',
+            video_id, 'mp4', m3u8_id=f'{cdn}-hls', fatal=False))
+        formats.extend(self._extract_mpd_formats(
+            f'{stream_base}{q_acc}/files/{q_prefix}/{q_locator}/{q_acc}-{q_hash}.ism/manifest.mpd',
+            video_id, mpd_id=f'{cdn}-dash', fatal=False))
+
+        progressive_base = get_cdn_shield_base('Prog')
+        q_references = stream_data.get('qReferences') or ''
+        fds = q_references.split(',')
+        for fd in fds:
+            ss = fd.split(':')
+            if len(ss) != 3:
+                continue
+            tbr = int_or_none(ss[1], scale=1000)
+            formats.append({
+                'url': f'{progressive_base}{q_acc}/uploads/{q_acc}-{ss[2]}.webm',
+                'format_id': f'{cdn}-{ss[0]}{"-%s" % tbr if tbr else ""}',
+                'tbr': tbr,
+            })
+
+        azure_file_distribution = stream_data.get('azureFileDistribution') or ''
+        fds = azure_file_distribution.split(',')
+        for fd in fds:
+            ss = fd.split(':')
+            if len(ss) != 3:
+                continue
+            tbr = int_or_none(ss[0])
+            width, height = ss[1].split('x') if len(ss[1].split('x')) == 2 else (None, None)
+            f = {
+                'url': f'{progressive_base}{q_acc}/files/{q_prefix}/{q_locator}/{ss[2]}.mp4',
+                'format_id': f'{cdn}-http-{"-%s" % tbr if tbr else ""}',
+                'tbr': tbr,
+                'width': int_or_none(width),
+                'height': int_or_none(height),
+            }
+            formats.append(f)
+
+        return formats
+
+    def _extract_azure_formats(self, video, video_id):
+        stream_data = video['streamdata']
+        cdn = stream_data['cdnType']
+        assert cdn == 'azure'
+
+        azure_locator = stream_data['azureLocator']
+
+        def get_cdn_shield_base(shield_type='', static=False):
+            for secure in ('', 's'):
+                cdn_shield = stream_data.get('cdnShield%sHTTP%s' % (shield_type, secure.upper()))
+                if cdn_shield:
+                    return 'http%s://%s' % (secure, cdn_shield)
+            else:
+                if 'fb' in stream_data['azureAccount']:
+                    prefix = 'df' if static else 'f'
+                else:
+                    prefix = 'd' if static else 'p'
+                account = int(stream_data['azureAccount'].replace('nexxplayplus', '').replace('nexxplayfb', ''))
+                return 'http://nx-%s%02d.akamaized.net/' % (prefix, account)
+
+        language = video['general'].get('language_raw') or ''
+
+        azure_stream_base = get_cdn_shield_base()
+        is_ml = ',' in language
+        azure_manifest_url = '%s%s/%s_src%s.ism/Manifest' % (
+            azure_stream_base, azure_locator, video_id, ('_manifest' if is_ml else '')) + '%s'
+
+        protection_token = try_get(
+            video, lambda x: x['protectiondata']['token'], compat_str)
+        if protection_token:
+            azure_manifest_url += '?hdnts=%s' % protection_token
+
+        formats = self._extract_m3u8_formats(
+            azure_manifest_url % '(format=m3u8-aapl)',
+            video_id, 'mp4', 'm3u8_native',
+            m3u8_id='%s-hls' % cdn, fatal=False)
+        formats.extend(self._extract_mpd_formats(
+            azure_manifest_url % '(format=mpd-time-csf)',
+            video_id, mpd_id='%s-dash' % cdn, fatal=False))
+        formats.extend(self._extract_ism_formats(
+            azure_manifest_url % '', video_id, ism_id='%s-mss' % cdn, fatal=False))
+
+        azure_progressive_base = get_cdn_shield_base('Prog', True)
+        azure_file_distribution = stream_data.get('azureFileDistribution')
+        if azure_file_distribution:
+            fds = azure_file_distribution.split(',')
+            if fds:
+                for fd in fds:
+                    ss = fd.split(':')
+                    if len(ss) == 2:
+                        tbr = int_or_none(ss[0])
+                        if tbr:
+                            f = {
+                                'url': '%s%s/%s_src_%s_%d.mp4' % (
+                                    azure_progressive_base, azure_locator, video_id, ss[1], tbr),
+                                'format_id': '%s-http-%d' % (cdn, tbr),
+                                'tbr': tbr,
+                            }
+                            width_height = ss[1].split('x')
+                            if len(width_height) == 2:
+                                f.update({
+                                    'width': int_or_none(width_height[0]),
+                                    'height': int_or_none(width_height[1]),
+                                })
+                            formats.append(f)
+
+        return formats
+
+    def _real_extract(self, url):
+        mobj = self._match_valid_url(url)
+        domain_id = mobj.group('domain_id') or mobj.group('domain_id_s')
+        video_id = mobj.group('id')
+
+        video = None
+
+        def find_video(result):
+            if isinstance(result, dict):
+                return result
+            elif isinstance(result, list):
+                vid = int(video_id)
+                for v in result:
+                    if try_get(v, lambda x: x['general']['ID'], int) == vid:
+                        return v
+            return None
+
+        response = self._download_json(
+            'https://arc.nexx.cloud/api/video/%s.json' % video_id,
+            video_id, fatal=False)
+        if response and isinstance(response, dict):
+            result = response.get('result')
+            if result:
+                video = find_video(result)
+
+        # not all videos work via arc, e.g. nexx:741:1269984
+        if not video:
+            # Reverse engineered from JS code (see getDeviceID function)
+            device_id = '%d:%d:%d%d' % (
+                random.randint(1, 4), int(time.time()),
+                random.randint(1e4, 99999), random.randint(1, 9))
+
+            result = self._call_api(domain_id, 'session/init', video_id, data={
+                'nxp_devh': device_id,
+                'nxp_userh': '',
+                'precid': '0',
+                'playlicense': '0',
+                'screenx': '1920',
+                'screeny': '1080',
+                'playerversion': '6.0.00',
+                'gateway': 'html5',
+                'adGateway': '',
+                'explicitlanguage': 'en-US',
+                'addTextTemplates': '1',
+                'addDomainData': '1',
+                'addAdModel': '1',
+            }, headers={
+                'X-Request-Enable-Auth-Fallback': '1',
+            })
+
+            cid = result['general']['cid']
+
+            # As described in [1] X-Request-Token generation algorithm is
+            # as follows:
+            #   md5( operation + domain_id + domain_secret )
+            # where domain_secret is a static value that will be given by nexx.tv
+            # as per [1]. Here is how this "secret" is generated (reversed
+            # from _play._factory.data.getDomainData function, search for
+            # domaintoken or enableAPIAccess). So it's actually not static
+            # and not that much of a secret.
+            # 1. https://nexxtvstorage.blob.core.windows.net/files/201610/27.pdf
+            secret = result['device']['domaintoken'][int(device_id[0]):]
+            secret = secret[0:len(secret) - int(device_id[-1])]
+
+            op = 'byid'
+
+            # Reversed from JS code for _play.api.call function (search for
+            # X-Request-Token)
+            request_token = hashlib.md5(
+                ''.join((op, domain_id, secret)).encode('utf-8')).hexdigest()
+
+            result = self._call_api(
+                domain_id, 'videos/%s/%s' % (op, video_id), video_id, data={
+                    'additionalfields': 'language,channel,format,licenseby,slug,fileversion,episode,season',
+                    'addInteractionOptions': '1',
+                    'addStatusDetails': '1',
+                    'addStreamDetails': '1',
+                    'addFeatures': '1',
+                    # Caption format selection doesn't seem to be enforced?
+                    'addCaptions': 'vtt',
+                    'addScenes': '1',
+                    'addChapters': '1',
+                    'addHotSpots': '1',
+                    'addConnectedMedia': 'persons',
+                    'addBumpers': '1',
+                }, headers={
+                    'X-Request-CID': cid,
+                    'X-Request-Token': request_token,
+                })
+            video = find_video(result)
+
+        general = video['general']
+        title = general['title']
+
+        cdn = video['streamdata']['cdnType']
+
+        if cdn == 'azure':
+            formats = self._extract_azure_formats(video, video_id)
+        elif cdn == 'free':
+            formats = self._extract_free_formats(video, video_id)
+        elif cdn == '3q':
+            formats = self._extract_3q_formats(video, video_id)
+        else:
+            self.raise_no_formats(f'{cdn} formats are currently not supported', video_id)
+
+        subtitles = {}
+        for sub in video.get('captiondata') or []:
+            if sub.get('data'):
+                subtitles.setdefault(sub.get('language', 'en'), []).append({
+                    'ext': 'srt',
+                    'data': '\n\n'.join(
+                        f'{i + 1}\n{srt_subtitles_timecode(line["fromms"] / 1000)} --> {srt_subtitles_timecode(line["toms"] / 1000)}\n{line["caption"]}'
+                        for i, line in enumerate(sub['data'])),
+                    'name': sub.get('language_long') or sub.get('title')
+                })
+            elif sub.get('url'):
+                subtitles.setdefault(sub.get('language', 'en'), []).append({
+                    'url': sub['url'],
+                    'ext': sub.get('format'),
+                    'name': sub.get('language_long') or sub.get('title')
+                })
+
+        return {
+            'id': video_id,
+            'title': title,
+            'alt_title': general.get('subtitle'),
+            'description': general.get('description'),
+            'release_year': int_or_none(general.get('year')),
+            'creator': general.get('studio') or general.get('studio_adref') or None,
+            'thumbnail': try_get(
+                video, lambda x: x['imagedata']['thumb'], compat_str),
+            'duration': parse_duration(general.get('runtime')),
+            'timestamp': int_or_none(general.get('uploaded')),
+            'episode_number': traverse_obj(
+                video, (('episodedata', 'general'), 'episode'), expected_type=int, get_all=False),
+            'season_number': traverse_obj(
+                video, (('episodedata', 'general'), 'season'), expected_type=int, get_all=False),
+            'cast': traverse_obj(video, ('connectedmedia', ..., 'title'), expected_type=str),
+            'formats': formats,
+            'subtitles': subtitles,
+        }
+
+
+class NexxEmbedIE(InfoExtractor):
+    _VALID_URL = r'https?://embed\.nexx(?:\.cloud|cdn\.com)/\d+/(?:video/)?(?P<id>[^/?#&]+)'
+    # Reference. https://nx-s.akamaized.net/files/201510/44.pdf
+    _EMBED_REGEX = [r'<iframe[^>]+\bsrc=(["\'])(?P<url>(?:https?:)?//embed\.nexx(?:\.cloud|cdn\.com)/\d+/(?:(?!\1).)+)\1']
+    _TESTS = [{
+        'url': 'http://embed.nexx.cloud/748/KC1614647Z27Y7T?autoplay=1',
+        'md5': '16746bfc28c42049492385c989b26c4a',
+        'info_dict': {
+            'id': '161464',
+            'ext': 'mp4',
+            'title': 'Nervenkitzel Achterbahn',
+            'alt_title': 'Karussellbauer in Deutschland',
+            'description': 'md5:ffe7b1cc59a01f585e0569949aef73cc',
+            'creator': 'SPIEGEL TV',
+            'thumbnail': r're:^https?://.*\.jpg$',
+            'duration': 2761,
+            'timestamp': 1394021479,
+            'upload_date': '20140305',
+        },
+        'params': {
+            'skip_download': True,
+        },
+    }, {
+        'url': 'https://embed.nexx.cloud/11888/video/DSRTO7UVOX06S7',
+        'only_matching': True,
+    }]
+
+    def _real_extract(self, url):
+        embed_id = self._match_id(url)
+
+        webpage = self._download_webpage(url, embed_id)
+
+        return self.url_result(NexxIE._extract_url(webpage), ie=NexxIE.ie_key())