youtube-dl/youtube_dl/extractor/streamango.py

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# coding: utf-8
from __future__ import unicode_literals
import re
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from .common import InfoExtractor
from ..utils import (
determine_ext,
int_or_none,
js_to_json,
)
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class StreamangoIE(InfoExtractor):
_VALID_URL = r'https?://(?:www\.)?streamango\.com/(?:f|embed)/(?P<id>[^/?#&]+)'
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_TESTS = [{
'url': 'https://streamango.com/f/clapasobsptpkdfe/20170315_150006_mp4',
'md5': 'e992787515a182f55e38fc97588d802a',
'info_dict': {
'id': 'clapasobsptpkdfe',
'ext': 'mp4',
'title': '20170315_150006.mp4',
}
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}, {
# no og:title
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'url': 'https://streamango.com/embed/foqebrpftarclpob/asdf_asd_2_mp4',
'info_dict': {
'id': 'foqebrpftarclpob',
'ext': 'mp4',
'title': 'foqebrpftarclpob',
},
'params': {
'skip_download': True,
},
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}, {
'url': 'https://streamango.com/embed/clapasobsptpkdfe/20170315_150006_mp4',
'only_matching': True,
}]
def _real_extract(self, url):
def decrypt_src(str_, val):
k = '=/+9876543210zyxwvutsrqponmlkjihgfedcbaZYXWVUTSRQPONMLKJIHGFEDCBA'
str_ = re.sub(r'[^A-Za-z0-9+/=]', '', str_)
src = ''
sm = [None] * 4
i = 0
str_len = len(str_)
while i < str_len:
for j in range(4):
sm[j % 4] = k.index(str_[i])
i += 1
charCode = ((sm[0] << 0x2) | (sm[1] >> 0x4)) ^ val
src += chr(charCode)
if (sm[2] != 0x40):
charCode = ((sm[1] & 0xf) << 0x4) | (sm[2] >> 0x2)
src += chr(charCode)
if (sm[3] != 0x40):
charCode = ((sm[2] & 0x3) << 0x6) | sm[3]
src += chr(charCode)
return src
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video_id = self._match_id(url)
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webpage = self._download_webpage(url, video_id)
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title = self._og_search_title(webpage, default=video_id)
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formats = []
for format_ in re.findall(r'\(\s*({[^}]*\bsrc\s*:\s*[^}]*})', webpage):
mobj = re.search(r'(src\s*:\s*[^(]\(([^)]*)\)[\s,]*)', format_)
if mobj is None:
continue
format_ = format_.replace(mobj.group(0), '')
video = self._parse_json(
format_, video_id, transform_source=js_to_json, fatal=False)
if not video:
continue
mobj = re.search(r'[\'"](?P<src>[^\'"]+)[\'"]\s*,\s*(?P<val>\d+)', mobj.group(1))
if mobj is None:
continue
src = decrypt_src(mobj.group('src'), int_or_none(mobj.group('val')))
ext = determine_ext(src, default_ext=None)
if video.get('type') == 'application/dash+xml' or ext == 'mpd':
formats.extend(self._extract_mpd_formats(
src, video_id, mpd_id='dash', fatal=False))
else:
formats.append({
'url': src,
'ext': ext or 'mp4',
'width': int_or_none(video.get('width')),
'height': int_or_none(video.get('height')),
'tbr': int_or_none(video.get('bitrate')),
})
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self._sort_formats(formats)
return {
'id': video_id,
'url': url,
'title': title,
'formats': formats,
}