yt-dlp/youtube_dl/extractor/videa.py

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# coding: utf-8
from __future__ import unicode_literals
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import re
import random
import string
import struct
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from .common import InfoExtractor
from ..utils import (
ExtractorError,
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int_or_none,
mimetype2ext,
parse_codecs,
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xpath_element,
xpath_text,
)
from ..compat import (
compat_b64decode,
compat_ord,
compat_parse_qs,
)
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class VideaIE(InfoExtractor):
_VALID_URL = r'''(?x)
https?://
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videa(?:kid)?\.hu/
(?:
videok/(?:[^/]+/)*[^?#&]+-|
player\?.*?\bv=|
player/v/
)
(?P<id>[^?#&]+)
'''
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_TESTS = [{
'url': 'http://videa.hu/videok/allatok/az-orult-kigyasz-285-kigyot-kigyo-8YfIAjxwWGwT8HVQ',
'md5': '97a7af41faeaffd9f1fc864a7c7e7603',
'info_dict': {
'id': '8YfIAjxwWGwT8HVQ',
'ext': 'mp4',
'title': 'Az őrült kígyász 285 kígyót enged szabadon',
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'thumbnail': r're:^https?://.*',
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'duration': 21,
},
}, {
'url': 'http://videa.hu/videok/origo/jarmuvek/supercars-elozes-jAHDWfWSJH5XuFhH',
'only_matching': True,
}, {
'url': 'http://videa.hu/player?v=8YfIAjxwWGwT8HVQ',
'only_matching': True,
}, {
'url': 'http://videa.hu/player/v/8YfIAjxwWGwT8HVQ?autoplay=1',
'only_matching': True,
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}, {
'url': 'https://videakid.hu/videok/origo/jarmuvek/supercars-elozes-jAHDWfWSJH5XuFhH',
'only_matching': True,
}, {
'url': 'https://videakid.hu/player?v=8YfIAjxwWGwT8HVQ',
'only_matching': True,
}, {
'url': 'https://videakid.hu/player/v/8YfIAjxwWGwT8HVQ?autoplay=1',
'only_matching': True,
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}]
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@staticmethod
def _extract_urls(webpage):
return [url for _, url in re.findall(
r'<iframe[^>]+src=(["\'])(?P<url>(?:https?:)?//videa\.hu/player\?.*?\bv=.+?)\1',
webpage)]
def rc4(self, ciphertext, key):
res = b''
keyLen = len(key)
S = list(range(256))
j = 0
for i in range(256):
j = (j + S[i] + ord(key[i % keyLen])) % 256
S[i], S[j] = S[j], S[i]
i = 0
j = 0
for m in range(len(ciphertext)):
i = (i + 1) % 256
j = (j + S[i]) % 256
S[i], S[j] = S[j], S[i]
k = S[(S[i] + S[j]) % 256]
res += struct.pack("B", k ^ compat_ord(ciphertext[m]))
return res
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def _real_extract(self, url):
video_id = self._match_id(url)
webpage = self._download_webpage(url, video_id, fatal=True)
error = self._search_regex(r'<p class="error-text">([^<]+)</p>', webpage, 'error', default=None)
if error:
raise ExtractorError(error, expected=True)
video_src_params_raw = self._search_regex(r'<iframe[^>]+id="videa_player_iframe"[^>]+src="/player\?([^"]+)"', webpage, 'video_src_params')
video_src_params = compat_parse_qs(video_src_params_raw)
player_page = self._download_webpage("https://videa.hu/videojs_player?%s" % video_src_params_raw, video_id, fatal=True)
nonce = self._search_regex(r'_xt\s*=\s*"([^"]+)"', player_page, 'nonce')
random_seed = ''.join(random.choice(string.ascii_uppercase + string.ascii_lowercase + string.digits) for _ in range(8))
static_secret = 'xHb0ZvME5q8CBcoQi6AngerDu3FGO9fkUlwPmLVY_RTzj2hJIS4NasXWKy1td7p'
l = nonce[:32]
s = nonce[32:]
result = ''
for i in range(0, 32):
result += s[i - (static_secret.index(l[i]) - 31)]
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video_src_params['_s'] = random_seed
video_src_params['_t'] = result[:16]
encryption_key_stem = result[16:] + random_seed
[b64_info, handle] = self._download_webpage_handle(
'http://videa.hu/videaplayer_get_xml.php', video_id,
query=video_src_params, fatal=True)
encrypted_info = compat_b64decode(b64_info)
key = encryption_key_stem + handle.info()['x-videa-xs']
info_str = self.rc4(encrypted_info, key).decode('utf8')
info = self._parse_xml(info_str, video_id)
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video = xpath_element(info, './/video', 'video', fatal=True)
sources = xpath_element(info, './/video_sources', 'sources', fatal=True)
hash_values = xpath_element(info, './/hash_values', 'hash_values', fatal=True)
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title = xpath_text(video, './title', fatal=True)
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formats = []
for source in sources.findall('./video_source'):
source_url = source.text
if not source_url:
continue
source_url += '?md5=%s&expires=%s' % (hash_values.find('hash_value_%s' % source.get('name')).text, source.get('exp'))
f = parse_codecs(source.get('codecs'))
f.update({
'url': source_url,
'ext': mimetype2ext(source.get('mimetype')) or 'mp4',
'format_id': source.get('name'),
'width': int_or_none(source.get('width')),
'height': int_or_none(source.get('height')),
})
formats.append(f)
self._sort_formats(formats)
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thumbnail = xpath_text(video, './poster_src')
duration = int_or_none(xpath_text(video, './duration'))
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age_limit = None
is_adult = xpath_text(video, './is_adult_content', default=None)
if is_adult:
age_limit = 18 if is_adult == '1' else 0
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return {
'id': video_id,
'title': title,
'thumbnail': thumbnail,
'duration': duration,
'age_limit': age_limit,
'formats': formats,
}