1 from __future__ import unicode_literals
2
3 import base64
4 import json
5 import random
6 import re
7
8 from .common import InfoExtractor
9 from ..aes import (
10 aes_cbc_decrypt,
11 aes_cbc_encrypt,
12 )
13 from ..utils import (
14 bytes_to_intlist,
15 bytes_to_long,
16 extract_attributes,
17 ExtractorError,
18 intlist_to_bytes,
19 js_to_json,
20 int_or_none,
21 long_to_bytes,
22 pkcs1pad,
23 )
24
25
26 class DaisukiMottoIE(InfoExtractor):
27 _VALID_URL = r'https?://motto\.daisuki\.net/framewatch/embed/[^/]+/(?P<id>[0-9a-zA-Z]{3})'
28
29 _TEST = {
30 'url': 'http://motto.daisuki.net/framewatch/embed/embedDRAGONBALLSUPERUniverseSurvivalsaga/V2e/760/428',
31 'info_dict': {
32 'id': 'V2e',
33 'ext': 'mp4',
34 'title': '#117 SHOWDOWN OF LOVE! ANDROIDS VS UNIVERSE 2!!',
35 'subtitles': {
36 'mul': [{
37 'ext': 'ttml',
38 }],
39 },
40 },
41 'params': {
42 'skip_download': True, # AES-encrypted HLS stream
43 },
44 }
45
46 # The public key in PEM format can be found in clientlibs_anime_watch.min.js
47 _RSA_KEY = (0xc5524c25e8e14b366b3754940beeb6f96cb7e2feef0b932c7659a0c5c3bf173d602464c2df73d693b513ae06ff1be8f367529ab30bf969c5640522181f2a0c51ea546ae120d3d8d908595e4eff765b389cde080a1ef7f1bbfb07411cc568db73b7f521cedf270cbfbe0ddbc29b1ac9d0f2d8f4359098caffee6d07915020077d, 65537)
48
49 def _real_extract(self, url):
50 video_id = self._match_id(url)
51
52 webpage = self._download_webpage(url, video_id)
53
54 flashvars = self._parse_json(self._search_regex(
55 r'(?s)var\s+flashvars\s*=\s*({.+?});', webpage, 'flashvars'),
56 video_id, transform_source=js_to_json)
57
58 iv = [0] * 16
59
60 data = {}
61 for key in ('device_cd', 'mv_id', 'ss1_prm', 'ss2_prm', 'ss3_prm', 'ss_id'):
62 data[key] = flashvars.get(key, '')
63
64 encrypted_rtn = None
65
66 # Some AES keys are rejected. Try it with different AES keys
67 for idx in range(5):
68 aes_key = [random.randint(0, 254) for _ in range(32)]
69 padded_aeskey = intlist_to_bytes(pkcs1pad(aes_key, 128))
70
71 n, e = self._RSA_KEY
72 encrypted_aeskey = long_to_bytes(pow(bytes_to_long(padded_aeskey), e, n))
73 init_data = self._download_json(
74 'http://motto.daisuki.net/fastAPI/bgn/init/',
75 video_id, query={
76 's': flashvars.get('s', ''),
77 'c': flashvars.get('ss3_prm', ''),
78 'e': url,
79 'd': base64.b64encode(intlist_to_bytes(aes_cbc_encrypt(
80 bytes_to_intlist(json.dumps(data)),
81 aes_key, iv))).decode('ascii'),
82 'a': base64.b64encode(encrypted_aeskey).decode('ascii'),
83 }, note='Downloading JSON metadata' + (' (try #%d)' % (idx + 1) if idx > 0 else ''))
84
85 if 'rtn' in init_data:
86 encrypted_rtn = init_data['rtn']
87 break
88
89 self._sleep(5, video_id)
90
91 if encrypted_rtn is None:
92 raise ExtractorError('Failed to fetch init data')
93
94 rtn = self._parse_json(
95 intlist_to_bytes(aes_cbc_decrypt(bytes_to_intlist(
96 base64.b64decode(encrypted_rtn)),
97 aes_key, iv)).decode('utf-8').rstrip('\0'),
98 video_id)
99
100 title = rtn['title_str']
101
102 formats = self._extract_m3u8_formats(
103 rtn['play_url'], video_id, ext='mp4', entry_protocol='m3u8_native')
104
105 subtitles = {}
106 caption_url = rtn.get('caption_url')
107 if caption_url:
108 # mul: multiple languages
109 subtitles['mul'] = [{
110 'url': caption_url,
111 'ext': 'ttml',
112 }]
113
114 return {
115 'id': video_id,
116 'title': title,
117 'formats': formats,
118 'subtitles': subtitles,
119 }
120
121
122 class DaisukiMottoPlaylistIE(InfoExtractor):
123 _VALID_URL = r'https?://motto\.daisuki\.net/(?P<id>information)/'
124
125 _TEST = {
126 'url': 'http://motto.daisuki.net/information/',
127 'info_dict': {
128 'title': 'DRAGON BALL SUPER',
129 },
130 'playlist_mincount': 117,
131 }
132
133 def _real_extract(self, url):
134 playlist_id = self._match_id(url)
135
136 webpage = self._download_webpage(url, playlist_id)
137
138 entries = []
139 for li in re.findall(r'(<li[^>]+?data-product_id="[a-zA-Z0-9]{3}"[^>]+>)', webpage):
140 attr = extract_attributes(li)
141 ad_id = attr.get('data-ad_id')
142 product_id = attr.get('data-product_id')
143 if ad_id and product_id:
144 episode_id = attr.get('data-chapter')
145 entries.append({
146 '_type': 'url_transparent',
147 'url': 'http://motto.daisuki.net/framewatch/embed/%s/%s/760/428' % (ad_id, product_id),
148 'episode_id': episode_id,
149 'episode_number': int_or_none(episode_id),
150 'ie_key': 'DaisukiMotto',
151 })
152
153 return self.playlist_result(entries, playlist_title='DRAGON BALL SUPER')
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