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[youtubedl] / youtube_dl / extractor / adn.py
1 # coding: utf-8
2 from __future__ import unicode_literals
3
4 import base64
5 import binascii
6 import json
7 import os
8 import random
9
10 from .common import InfoExtractor
11 from ..aes import aes_cbc_decrypt
12 from ..compat import (
13 compat_b64decode,
14 compat_ord,
15 )
16 from ..utils import (
17 bytes_to_intlist,
18 bytes_to_long,
19 ExtractorError,
20 float_or_none,
21 intlist_to_bytes,
22 long_to_bytes,
23 pkcs1pad,
24 strip_or_none,
25 urljoin,
26 )
27
28
29 class ADNIE(InfoExtractor):
30 IE_DESC = 'Anime Digital Network'
31 _VALID_URL = r'https?://(?:www\.)?animedigitalnetwork\.fr/video/[^/]+/(?P<id>\d+)'
32 _TEST = {
33 'url': 'http://animedigitalnetwork.fr/video/blue-exorcist-kyoto-saga/7778-episode-1-debut-des-hostilites',
34 'md5': 'e497370d847fd79d9d4c74be55575c7a',
35 'info_dict': {
36 'id': '7778',
37 'ext': 'mp4',
38 'title': 'Blue Exorcist - Kyôto Saga - Épisode 1',
39 'description': 'md5:2f7b5aa76edbc1a7a92cedcda8a528d5',
40 }
41 }
42 _BASE_URL = 'http://animedigitalnetwork.fr'
43 _RSA_KEY = (0xc35ae1e4356b65a73b551493da94b8cb443491c0aa092a357a5aee57ffc14dda85326f42d716e539a34542a0d3f363adf16c5ec222d713d5997194030ee2e4f0d1fb328c01a81cf6868c090d50de8e169c6b13d1675b9eeed1cbc51e1fffca9b38af07f37abd790924cd3bee59d0257cfda4fe5f3f0534877e21ce5821447d1b, 65537)
44 _POS_ALIGN_MAP = {
45 'start': 1,
46 'end': 3,
47 }
48 _LINE_ALIGN_MAP = {
49 'middle': 8,
50 'end': 4,
51 }
52
53 @staticmethod
54 def _ass_subtitles_timecode(seconds):
55 return '%01d:%02d:%02d.%02d' % (seconds / 3600, (seconds % 3600) / 60, seconds % 60, (seconds % 1) * 100)
56
57 def _get_subtitles(self, sub_path, video_id):
58 if not sub_path:
59 return None
60
61 enc_subtitles = self._download_webpage(
62 urljoin(self._BASE_URL, sub_path),
63 video_id, 'Downloading subtitles location', fatal=False) or '{}'
64 subtitle_location = (self._parse_json(enc_subtitles, video_id, fatal=False) or {}).get('location')
65 if subtitle_location:
66 enc_subtitles = self._download_webpage(
67 urljoin(self._BASE_URL, subtitle_location),
68 video_id, 'Downloading subtitles data', fatal=False,
69 headers={'Origin': 'https://animedigitalnetwork.fr'})
70 if not enc_subtitles:
71 return None
72
73 # http://animedigitalnetwork.fr/components/com_vodvideo/videojs/adn-vjs.min.js
74 dec_subtitles = intlist_to_bytes(aes_cbc_decrypt(
75 bytes_to_intlist(compat_b64decode(enc_subtitles[24:])),
76 bytes_to_intlist(binascii.unhexlify(self._K + '4b8ef13ec1872730')),
77 bytes_to_intlist(compat_b64decode(enc_subtitles[:24]))
78 ))
79 subtitles_json = self._parse_json(
80 dec_subtitles[:-compat_ord(dec_subtitles[-1])].decode(),
81 None, fatal=False)
82 if not subtitles_json:
83 return None
84
85 subtitles = {}
86 for sub_lang, sub in subtitles_json.items():
87 ssa = '''[Script Info]
88 ScriptType:V4.00
89 [V4 Styles]
90 Format: Name,Fontname,Fontsize,PrimaryColour,SecondaryColour,TertiaryColour,BackColour,Bold,Italic,BorderStyle,Outline,Shadow,Alignment,MarginL,MarginR,MarginV,AlphaLevel,Encoding
91 Style: Default,Arial,18,16777215,16777215,16777215,0,-1,0,1,1,0,2,20,20,20,0,0
92 [Events]
93 Format: Marked,Start,End,Style,Name,MarginL,MarginR,MarginV,Effect,Text'''
94 for current in sub:
95 start, end, text, line_align, position_align = (
96 float_or_none(current.get('startTime')),
97 float_or_none(current.get('endTime')),
98 current.get('text'), current.get('lineAlign'),
99 current.get('positionAlign'))
100 if start is None or end is None or text is None:
101 continue
102 alignment = self._POS_ALIGN_MAP.get(position_align, 2) + self._LINE_ALIGN_MAP.get(line_align, 0)
103 ssa += os.linesep + 'Dialogue: Marked=0,%s,%s,Default,,0,0,0,,%s%s' % (
104 self._ass_subtitles_timecode(start),
105 self._ass_subtitles_timecode(end),
106 '{\\a%d}' % alignment if alignment != 2 else '',
107 text.replace('\n', '\\N').replace('<i>', '{\\i1}').replace('</i>', '{\\i0}'))
108
109 if sub_lang == 'vostf':
110 sub_lang = 'fr'
111 subtitles.setdefault(sub_lang, []).extend([{
112 'ext': 'json',
113 'data': json.dumps(sub),
114 }, {
115 'ext': 'ssa',
116 'data': ssa,
117 }])
118 return subtitles
119
120 def _real_extract(self, url):
121 video_id = self._match_id(url)
122 webpage = self._download_webpage(url, video_id)
123 player_config = self._parse_json(self._search_regex(
124 r'playerConfig\s*=\s*({.+});', webpage,
125 'player config', default='{}'), video_id, fatal=False)
126 if not player_config:
127 config_url = urljoin(self._BASE_URL, self._search_regex(
128 r'(?:id="player"|class="[^"]*adn-player-container[^"]*")[^>]+data-url="([^"]+)"',
129 webpage, 'config url'))
130 player_config = self._download_json(
131 config_url, video_id,
132 'Downloading player config JSON metadata')['player']
133
134 video_info = {}
135 video_info_str = self._search_regex(
136 r'videoInfo\s*=\s*({.+});', webpage,
137 'video info', fatal=False)
138 if video_info_str:
139 video_info = self._parse_json(
140 video_info_str, video_id, fatal=False) or {}
141
142 options = player_config.get('options') or {}
143 metas = options.get('metas') or {}
144 links = player_config.get('links') or {}
145 sub_path = player_config.get('subtitles')
146 error = None
147 if not links:
148 links_url = player_config.get('linksurl') or options['videoUrl']
149 token = options['token']
150 self._K = ''.join([random.choice('0123456789abcdef') for _ in range(16)])
151 message = bytes_to_intlist(json.dumps({
152 'k': self._K,
153 'e': 60,
154 't': token,
155 }))
156 padded_message = intlist_to_bytes(pkcs1pad(message, 128))
157 n, e = self._RSA_KEY
158 encrypted_message = long_to_bytes(pow(bytes_to_long(padded_message), e, n))
159 authorization = base64.b64encode(encrypted_message).decode()
160 links_data = self._download_json(
161 urljoin(self._BASE_URL, links_url), video_id,
162 'Downloading links JSON metadata', headers={
163 'Authorization': 'Bearer ' + authorization,
164 })
165 links = links_data.get('links') or {}
166 metas = metas or links_data.get('meta') or {}
167 sub_path = sub_path or links_data.get('subtitles') or \
168 'index.php?option=com_vodapi&task=subtitles.getJSON&format=json&id=' + video_id
169 sub_path += '&token=' + token
170 error = links_data.get('error')
171 title = metas.get('title') or video_info['title']
172
173 formats = []
174 for format_id, qualities in links.items():
175 if not isinstance(qualities, dict):
176 continue
177 for quality, load_balancer_url in qualities.items():
178 load_balancer_data = self._download_json(
179 load_balancer_url, video_id,
180 'Downloading %s %s JSON metadata' % (format_id, quality),
181 fatal=False) or {}
182 m3u8_url = load_balancer_data.get('location')
183 if not m3u8_url:
184 continue
185 m3u8_formats = self._extract_m3u8_formats(
186 m3u8_url, video_id, 'mp4', 'm3u8_native',
187 m3u8_id=format_id, fatal=False)
188 if format_id == 'vf':
189 for f in m3u8_formats:
190 f['language'] = 'fr'
191 formats.extend(m3u8_formats)
192 if not error:
193 error = options.get('error')
194 if not formats and error:
195 raise ExtractorError('%s said: %s' % (self.IE_NAME, error), expected=True)
196 self._sort_formats(formats)
197
198 return {
199 'id': video_id,
200 'title': title,
201 'description': strip_or_none(metas.get('summary') or video_info.get('resume')),
202 'thumbnail': video_info.get('image'),
203 'formats': formats,
204 'subtitles': self.extract_subtitles(sub_path, video_id),
205 'episode': metas.get('subtitle') or video_info.get('videoTitle'),
206 'series': video_info.get('playlistTitle'),
207 }