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[youtubedl] / youtube_dl / extractor / streamango.py
1 # coding: utf-8
2 from __future__ import unicode_literals
3
4 import re
5
6 from .common import InfoExtractor
7 from ..compat import compat_chr
8 from ..utils import (
9 determine_ext,
10 ExtractorError,
11 int_or_none,
12 js_to_json,
13 )
14
15
16 class StreamangoIE(InfoExtractor):
17 _VALID_URL = r'https?://(?:www\.)?streamango\.com/(?:f|embed)/(?P<id>[^/?#&]+)'
18 _TESTS = [{
19 'url': 'https://streamango.com/f/clapasobsptpkdfe/20170315_150006_mp4',
20 'md5': 'e992787515a182f55e38fc97588d802a',
21 'info_dict': {
22 'id': 'clapasobsptpkdfe',
23 'ext': 'mp4',
24 'title': '20170315_150006.mp4',
25 }
26 }, {
27 # no og:title
28 'url': 'https://streamango.com/embed/foqebrpftarclpob/asdf_asd_2_mp4',
29 'info_dict': {
30 'id': 'foqebrpftarclpob',
31 'ext': 'mp4',
32 'title': 'foqebrpftarclpob',
33 },
34 'params': {
35 'skip_download': True,
36 },
37 'skip': 'gone',
38 }, {
39 'url': 'https://streamango.com/embed/clapasobsptpkdfe/20170315_150006_mp4',
40 'only_matching': True,
41 }]
42
43 def _real_extract(self, url):
44 def decrypt_src(encoded, val):
45 ALPHABET = '=/+9876543210zyxwvutsrqponmlkjihgfedcbaZYXWVUTSRQPONMLKJIHGFEDCBA'
46 encoded = re.sub(r'[^A-Za-z0-9+/=]', '', encoded)
47 decoded = ''
48 sm = [None] * 4
49 i = 0
50 str_len = len(encoded)
51 while i < str_len:
52 for j in range(4):
53 sm[j % 4] = ALPHABET.index(encoded[i])
54 i += 1
55 char_code = ((sm[0] << 0x2) | (sm[1] >> 0x4)) ^ val
56 decoded += compat_chr(char_code)
57 if sm[2] != 0x40:
58 char_code = ((sm[1] & 0xf) << 0x4) | (sm[2] >> 0x2)
59 decoded += compat_chr(char_code)
60 if sm[3] != 0x40:
61 char_code = ((sm[2] & 0x3) << 0x6) | sm[3]
62 decoded += compat_chr(char_code)
63 return decoded
64
65 video_id = self._match_id(url)
66
67 webpage = self._download_webpage(url, video_id)
68
69 title = self._og_search_title(webpage, default=video_id)
70
71 formats = []
72 for format_ in re.findall(r'({[^}]*\bsrc\s*:\s*[^}]*})', webpage):
73 mobj = re.search(r'(src\s*:\s*[^(]+\(([^)]*)\)[\s,]*)', format_)
74 if mobj is None:
75 continue
76
77 format_ = format_.replace(mobj.group(0), '')
78
79 video = self._parse_json(
80 format_, video_id, transform_source=js_to_json,
81 fatal=False) or {}
82
83 mobj = re.search(
84 r'([\'"])(?P<src>(?:(?!\1).)+)\1\s*,\s*(?P<val>\d+)',
85 mobj.group(1))
86 if mobj is None:
87 continue
88
89 src = decrypt_src(mobj.group('src'), int_or_none(mobj.group('val')))
90 if not src:
91 continue
92
93 ext = determine_ext(src, default_ext=None)
94 if video.get('type') == 'application/dash+xml' or ext == 'mpd':
95 formats.extend(self._extract_mpd_formats(
96 src, video_id, mpd_id='dash', fatal=False))
97 else:
98 formats.append({
99 'url': src,
100 'ext': ext or 'mp4',
101 'width': int_or_none(video.get('width')),
102 'height': int_or_none(video.get('height')),
103 'tbr': int_or_none(video.get('bitrate')),
104 })
105
106 if not formats:
107 error = self._search_regex(
108 r'<p[^>]+\bclass=["\']lead[^>]+>(.+?)</p>', webpage,
109 'error', default=None)
110 if not error and '>Sorry' in webpage:
111 error = 'Video %s is not available' % video_id
112 if error:
113 raise ExtractorError(error, expected=True)
114
115 self._sort_formats(formats)
116
117 return {
118 'id': video_id,
119 'url': url,
120 'title': title,
121 'formats': formats,
122 }