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[youtubedl] / youtube_dl / extractor / crunchyroll.py
1 # encoding: utf-8
2 from __future__ import unicode_literals
3
4 import re
5 import json
6 import base64
7 import zlib
8 import xml.etree.ElementTree
9
10 from hashlib import sha1
11 from math import pow, sqrt, floor
12 from .common import InfoExtractor
13 from ..compat import (
14 compat_urllib_parse,
15 compat_urllib_parse_unquote,
16 compat_urllib_request,
17 )
18 from ..utils import (
19 ExtractorError,
20 bytes_to_intlist,
21 intlist_to_bytes,
22 unified_strdate,
23 urlencode_postdata,
24 )
25 from ..aes import (
26 aes_cbc_decrypt,
27 )
28
29
30 class CrunchyrollIE(InfoExtractor):
31 _VALID_URL = r'https?://(?:(?P<prefix>www|m)\.)?(?P<url>crunchyroll\.(?:com|fr)/(?:media(?:-|/\?id=)|[^/]*/[^/?&]*?)(?P<video_id>[0-9]+))(?:[/?&]|$)'
32 _NETRC_MACHINE = 'crunchyroll'
33 _TESTS = [{
34 'url': 'http://www.crunchyroll.com/wanna-be-the-strongest-in-the-world/episode-1-an-idol-wrestler-is-born-645513',
35 'info_dict': {
36 'id': '645513',
37 'ext': 'flv',
38 'title': 'Wanna be the Strongest in the World Episode 1 – An Idol-Wrestler is Born!',
39 'description': 'md5:2d17137920c64f2f49981a7797d275ef',
40 'thumbnail': 'http://img1.ak.crunchyroll.com/i/spire1-tmb/20c6b5e10f1a47b10516877d3c039cae1380951166_full.jpg',
41 'uploader': 'Yomiuri Telecasting Corporation (YTV)',
42 'upload_date': '20131013',
43 'url': 're:(?!.*&amp)',
44 },
45 'params': {
46 # rtmp
47 'skip_download': True,
48 },
49 }, {
50 'url': 'http://www.crunchyroll.com/media-589804/culture-japan-1',
51 'info_dict': {
52 'id': '589804',
53 'ext': 'flv',
54 'title': 'Culture Japan Episode 1 – Rebuilding Japan after the 3.11',
55 'description': 'md5:fe2743efedb49d279552926d0bd0cd9e',
56 'thumbnail': 're:^https?://.*\.jpg$',
57 'uploader': 'Danny Choo Network',
58 'upload_date': '20120213',
59 },
60 'params': {
61 # rtmp
62 'skip_download': True,
63 },
64
65 }, {
66 'url': 'http://www.crunchyroll.fr/girl-friend-beta/episode-11-goodbye-la-mode-661697',
67 'only_matching': True,
68 }]
69
70 _FORMAT_IDS = {
71 '360': ('60', '106'),
72 '480': ('61', '106'),
73 '720': ('62', '106'),
74 '1080': ('80', '108'),
75 }
76
77 def _login(self):
78 (username, password) = self._get_login_info()
79 if username is None:
80 return
81 self.report_login()
82 login_url = 'https://www.crunchyroll.com/?a=formhandler'
83 data = urlencode_postdata({
84 'formname': 'RpcApiUser_Login',
85 'name': username,
86 'password': password,
87 })
88 login_request = compat_urllib_request.Request(login_url, data)
89 login_request.add_header('Content-Type', 'application/x-www-form-urlencoded')
90 self._download_webpage(login_request, None, False, 'Wrong login info')
91
92 def _real_initialize(self):
93 self._login()
94
95 def _decrypt_subtitles(self, data, iv, id):
96 data = bytes_to_intlist(base64.b64decode(data.encode('utf-8')))
97 iv = bytes_to_intlist(base64.b64decode(iv.encode('utf-8')))
98 id = int(id)
99
100 def obfuscate_key_aux(count, modulo, start):
101 output = list(start)
102 for _ in range(count):
103 output.append(output[-1] + output[-2])
104 # cut off start values
105 output = output[2:]
106 output = list(map(lambda x: x % modulo + 33, output))
107 return output
108
109 def obfuscate_key(key):
110 num1 = int(floor(pow(2, 25) * sqrt(6.9)))
111 num2 = (num1 ^ key) << 5
112 num3 = key ^ num1
113 num4 = num3 ^ (num3 >> 3) ^ num2
114 prefix = intlist_to_bytes(obfuscate_key_aux(20, 97, (1, 2)))
115 shaHash = bytes_to_intlist(sha1(prefix + str(num4).encode('ascii')).digest())
116 # Extend 160 Bit hash to 256 Bit
117 return shaHash + [0] * 12
118
119 key = obfuscate_key(id)
120
121 decrypted_data = intlist_to_bytes(aes_cbc_decrypt(data, key, iv))
122 return zlib.decompress(decrypted_data)
123
124 def _convert_subtitles_to_srt(self, sub_root):
125 output = ''
126
127 for i, event in enumerate(sub_root.findall('./events/event'), 1):
128 start = event.attrib['start'].replace('.', ',')
129 end = event.attrib['end'].replace('.', ',')
130 text = event.attrib['text'].replace('\\N', '\n')
131 output += '%d\n%s --> %s\n%s\n\n' % (i, start, end, text)
132 return output
133
134 def _convert_subtitles_to_ass(self, sub_root):
135 output = ''
136
137 def ass_bool(strvalue):
138 assvalue = '0'
139 if strvalue == '1':
140 assvalue = '-1'
141 return assvalue
142
143 output = '[Script Info]\n'
144 output += 'Title: %s\n' % sub_root.attrib["title"]
145 output += 'ScriptType: v4.00+\n'
146 output += 'WrapStyle: %s\n' % sub_root.attrib["wrap_style"]
147 output += 'PlayResX: %s\n' % sub_root.attrib["play_res_x"]
148 output += 'PlayResY: %s\n' % sub_root.attrib["play_res_y"]
149 output += """ScaledBorderAndShadow: yes
150
151 [V4+ Styles]
152 Format: Name, Fontname, Fontsize, PrimaryColour, SecondaryColour, OutlineColour, BackColour, Bold, Italic, Underline, StrikeOut, ScaleX, ScaleY, Spacing, Angle, BorderStyle, Outline, Shadow, Alignment, MarginL, MarginR, MarginV, Encoding
153 """
154 for style in sub_root.findall('./styles/style'):
155 output += 'Style: ' + style.attrib["name"]
156 output += ',' + style.attrib["font_name"]
157 output += ',' + style.attrib["font_size"]
158 output += ',' + style.attrib["primary_colour"]
159 output += ',' + style.attrib["secondary_colour"]
160 output += ',' + style.attrib["outline_colour"]
161 output += ',' + style.attrib["back_colour"]
162 output += ',' + ass_bool(style.attrib["bold"])
163 output += ',' + ass_bool(style.attrib["italic"])
164 output += ',' + ass_bool(style.attrib["underline"])
165 output += ',' + ass_bool(style.attrib["strikeout"])
166 output += ',' + style.attrib["scale_x"]
167 output += ',' + style.attrib["scale_y"]
168 output += ',' + style.attrib["spacing"]
169 output += ',' + style.attrib["angle"]
170 output += ',' + style.attrib["border_style"]
171 output += ',' + style.attrib["outline"]
172 output += ',' + style.attrib["shadow"]
173 output += ',' + style.attrib["alignment"]
174 output += ',' + style.attrib["margin_l"]
175 output += ',' + style.attrib["margin_r"]
176 output += ',' + style.attrib["margin_v"]
177 output += ',' + style.attrib["encoding"]
178 output += '\n'
179
180 output += """
181 [Events]
182 Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text
183 """
184 for event in sub_root.findall('./events/event'):
185 output += 'Dialogue: 0'
186 output += ',' + event.attrib["start"]
187 output += ',' + event.attrib["end"]
188 output += ',' + event.attrib["style"]
189 output += ',' + event.attrib["name"]
190 output += ',' + event.attrib["margin_l"]
191 output += ',' + event.attrib["margin_r"]
192 output += ',' + event.attrib["margin_v"]
193 output += ',' + event.attrib["effect"]
194 output += ',' + event.attrib["text"]
195 output += '\n'
196
197 return output
198
199 def _extract_subtitles(self, subtitle):
200 sub_root = xml.etree.ElementTree.fromstring(subtitle)
201 return [{
202 'ext': 'srt',
203 'data': self._convert_subtitles_to_srt(sub_root),
204 }, {
205 'ext': 'ass',
206 'data': self._convert_subtitles_to_ass(sub_root),
207 }]
208
209 def _get_subtitles(self, video_id, webpage):
210 subtitles = {}
211 for sub_id, sub_name in re.findall(r'\?ssid=([0-9]+)" title="([^"]+)', webpage):
212 sub_page = self._download_webpage(
213 'http://www.crunchyroll.com/xml/?req=RpcApiSubtitle_GetXml&subtitle_script_id=' + sub_id,
214 video_id, note='Downloading subtitles for ' + sub_name)
215 id = self._search_regex(r'id=\'([0-9]+)', sub_page, 'subtitle_id', fatal=False)
216 iv = self._search_regex(r'<iv>([^<]+)', sub_page, 'subtitle_iv', fatal=False)
217 data = self._search_regex(r'<data>([^<]+)', sub_page, 'subtitle_data', fatal=False)
218 if not id or not iv or not data:
219 continue
220 subtitle = self._decrypt_subtitles(data, iv, id).decode('utf-8')
221 lang_code = self._search_regex(r'lang_code=["\']([^"\']+)', subtitle, 'subtitle_lang_code', fatal=False)
222 if not lang_code:
223 continue
224 subtitles[lang_code] = self._extract_subtitles(subtitle)
225 return subtitles
226
227 def _real_extract(self, url):
228 mobj = re.match(self._VALID_URL, url)
229 video_id = mobj.group('video_id')
230
231 if mobj.group('prefix') == 'm':
232 mobile_webpage = self._download_webpage(url, video_id, 'Downloading mobile webpage')
233 webpage_url = self._search_regex(r'<link rel="canonical" href="([^"]+)" />', mobile_webpage, 'webpage_url')
234 else:
235 webpage_url = 'http://www.' + mobj.group('url')
236
237 webpage = self._download_webpage(webpage_url, video_id, 'Downloading webpage')
238 note_m = self._html_search_regex(r'<div class="showmedia-trailer-notice">(.+?)</div>', webpage, 'trailer-notice', default='')
239 if note_m:
240 raise ExtractorError(note_m)
241
242 mobj = re.search(r'Page\.messaging_box_controller\.addItems\(\[(?P<msg>{.+?})\]\)', webpage)
243 if mobj:
244 msg = json.loads(mobj.group('msg'))
245 if msg.get('type') == 'error':
246 raise ExtractorError('crunchyroll returned error: %s' % msg['message_body'], expected=True)
247
248 video_title = self._html_search_regex(r'<h1[^>]*>(.+?)</h1>', webpage, 'video_title', flags=re.DOTALL)
249 video_title = re.sub(r' {2,}', ' ', video_title)
250 video_description = self._html_search_regex(r'"description":"([^"]+)', webpage, 'video_description', default='')
251 if not video_description:
252 video_description = None
253 video_upload_date = self._html_search_regex(r'<div>Availability for free users:(.+?)</div>', webpage, 'video_upload_date', fatal=False, flags=re.DOTALL)
254 if video_upload_date:
255 video_upload_date = unified_strdate(video_upload_date)
256 video_uploader = self._html_search_regex(r'<div>\s*Publisher:(.+?)</div>', webpage, 'video_uploader', fatal=False, flags=re.DOTALL)
257
258 playerdata_url = compat_urllib_parse_unquote(self._html_search_regex(r'"config_url":"([^"]+)', webpage, 'playerdata_url'))
259 playerdata_req = compat_urllib_request.Request(playerdata_url)
260 playerdata_req.data = compat_urllib_parse.urlencode({'current_page': webpage_url})
261 playerdata_req.add_header('Content-Type', 'application/x-www-form-urlencoded')
262 playerdata = self._download_webpage(playerdata_req, video_id, note='Downloading media info')
263
264 stream_id = self._search_regex(r'<media_id>([^<]+)', playerdata, 'stream_id')
265 video_thumbnail = self._search_regex(r'<episode_image_url>([^<]+)', playerdata, 'thumbnail', fatal=False)
266
267 formats = []
268 for fmt in re.findall(r'showmedia\.([0-9]{3,4})p', webpage):
269 stream_quality, stream_format = self._FORMAT_IDS[fmt]
270 video_format = fmt + 'p'
271 streamdata_req = compat_urllib_request.Request(
272 'http://www.crunchyroll.com/xml/?req=RpcApiVideoPlayer_GetStandardConfig&media_id=%s&video_format=%s&video_quality=%s'
273 % (stream_id, stream_format, stream_quality),
274 compat_urllib_parse.urlencode({'current_page': url}).encode('utf-8'))
275 streamdata_req.add_header('Content-Type', 'application/x-www-form-urlencoded')
276 streamdata = self._download_xml(
277 streamdata_req, video_id,
278 note='Downloading media info for %s' % video_format)
279 stream_info = streamdata.find('./{default}preload/stream_info')
280 video_url = stream_info.find('./host').text
281 video_play_path = stream_info.find('./file').text
282 formats.append({
283 'url': video_url,
284 'play_path': video_play_path,
285 'ext': 'flv',
286 'format': video_format,
287 'format_id': video_format,
288 })
289
290 subtitles = self.extract_subtitles(video_id, webpage)
291
292 return {
293 'id': video_id,
294 'title': video_title,
295 'description': video_description,
296 'thumbnail': video_thumbnail,
297 'uploader': video_uploader,
298 'upload_date': video_upload_date,
299 'subtitles': subtitles,
300 'formats': formats,
301 }
302
303
304 class CrunchyrollShowPlaylistIE(InfoExtractor):
305 IE_NAME = "crunchyroll:playlist"
306 _VALID_URL = r'https?://(?:(?P<prefix>www|m)\.)?(?P<url>crunchyroll\.com/(?!(?:news|anime-news|library|forum|launchcalendar|lineup|store|comics|freetrial|login))(?P<id>[\w\-]+))/?$'
307
308 _TESTS = [{
309 'url': 'http://www.crunchyroll.com/a-bridge-to-the-starry-skies-hoshizora-e-kakaru-hashi',
310 'info_dict': {
311 'id': 'a-bridge-to-the-starry-skies-hoshizora-e-kakaru-hashi',
312 'title': 'A Bridge to the Starry Skies - Hoshizora e Kakaru Hashi'
313 },
314 'playlist_count': 13,
315 }]
316
317 def _real_extract(self, url):
318 show_id = self._match_id(url)
319
320 webpage = self._download_webpage(url, show_id)
321 title = self._html_search_regex(
322 r'(?s)<h1[^>]*>\s*<span itemprop="name">(.*?)</span>',
323 webpage, 'title')
324 episode_paths = re.findall(
325 r'(?s)<li id="showview_videos_media_[0-9]+"[^>]+>.*?<a href="([^"]+)"',
326 webpage)
327 entries = [
328 self.url_result('http://www.crunchyroll.com' + ep, 'Crunchyroll')
329 for ep in episode_paths
330 ]
331 entries.reverse()
332
333 return {
334 '_type': 'playlist',
335 'id': show_id,
336 'title': title,
337 'entries': entries,
338 }