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- # encoding: utf-8
- from __future__ import unicode_literals
-
- import re
- import json
- import base64
- import zlib
-
- from hashlib import sha1
- from math import pow, sqrt, floor
- from .common import InfoExtractor
- from ..utils import (
- ExtractorError,
- compat_urllib_parse,
- compat_urllib_request,
- bytes_to_intlist,
- intlist_to_bytes,
- unified_strdate,
- clean_html,
- )
- from ..aes import (
- aes_cbc_decrypt,
- inc,
- )
-
-
- class CrunchyrollIE(InfoExtractor):
- _VALID_URL = r'https?://(?:(?P<prefix>www|m)\.)?(?P<url>crunchyroll\.com/(?:[^/]*/[^/?&]*?|media/\?id=)(?P<video_id>[0-9]+))(?:[/?&]|$)'
- _TEST = {
- 'url': 'http://www.crunchyroll.com/wanna-be-the-strongest-in-the-world/episode-1-an-idol-wrestler-is-born-645513',
- #'md5': 'b1639fd6ddfaa43788c85f6d1dddd412',
- 'info_dict': {
- 'id': '645513',
- 'ext': 'flv',
- 'title': 'Wanna be the Strongest in the World Episode 1 – An Idol-Wrestler is Born!',
- 'description': 'md5:2d17137920c64f2f49981a7797d275ef',
- 'thumbnail': 'http://img1.ak.crunchyroll.com/i/spire1-tmb/20c6b5e10f1a47b10516877d3c039cae1380951166_full.jpg',
- 'uploader': 'Yomiuri Telecasting Corporation (YTV)',
- 'upload_date': '20131013',
- },
- 'params': {
- # rtmp
- 'skip_download': True,
- },
- }
-
- _FORMAT_IDS = {
- '360': ('60', '106'),
- '480': ('61', '106'),
- '720': ('62', '106'),
- '1080': ('80', '108'),
- }
-
- def _decrypt_subtitles(self, data, iv, id):
- data = bytes_to_intlist(data)
- iv = bytes_to_intlist(iv)
- id = int(id)
-
- def obfuscate_key_aux(count, modulo, start):
- output = list(start)
- for _ in range(count):
- output.append(output[-1] + output[-2])
- # cut off start values
- output = output[2:]
- output = list(map(lambda x: x % modulo + 33, output))
- return output
-
- def obfuscate_key(key):
- num1 = int(floor(pow(2, 25) * sqrt(6.9)))
- num2 = (num1 ^ key) << 5
- num3 = key ^ num1
- num4 = num3 ^ (num3 >> 3) ^ num2
- prefix = intlist_to_bytes(obfuscate_key_aux(20, 97, (1, 2)))
- shaHash = bytes_to_intlist(sha1(prefix + str(num4).encode('ascii')).digest())
- # Extend 160 Bit hash to 256 Bit
- return shaHash + [0] * 12
-
- key = obfuscate_key(id)
- class Counter:
- __value = iv
- def next_value(self):
- temp = self.__value
- self.__value = inc(self.__value)
- return temp
- decrypted_data = intlist_to_bytes(aes_cbc_decrypt(data, key, iv))
- return zlib.decompress(decrypted_data)
-
- def _convert_subtitles_to_srt(self, subtitles):
- output = ''
- for i, (start, end, text) in enumerate(re.findall(r'<event [^>]*?start="([^"]+)" [^>]*?end="([^"]+)" [^>]*?text="([^"]+)"[^>]*?>', subtitles), 1):
- start = start.replace('.', ',')
- end = end.replace('.', ',')
- text = clean_html(text)
- text = text.replace('\\N', '\n')
- if not text:
- continue
- output += '%d\n%s --> %s\n%s\n\n' % (i, start, end, text)
- return output
-
- def _real_extract(self,url):
- mobj = re.match(self._VALID_URL, url)
- video_id = mobj.group('video_id')
-
- if mobj.group('prefix') == 'm':
- mobile_webpage = self._download_webpage(url, video_id, 'Downloading mobile webpage')
- webpage_url = self._search_regex(r'<link rel="canonical" href="([^"]+)" />', mobile_webpage, 'webpage_url')
- else:
- webpage_url = 'http://www.' + mobj.group('url')
-
- webpage = self._download_webpage(webpage_url, video_id, 'Downloading webpage')
- note_m = self._html_search_regex(r'<div class="showmedia-trailer-notice">(.+?)</div>', webpage, 'trailer-notice', default='')
- if note_m:
- raise ExtractorError(note_m)
-
- mobj = re.search(r'Page\.messaging_box_controller\.addItems\(\[(?P<msg>{.+?})\]\)', webpage)
- if mobj:
- msg = json.loads(mobj.group('msg'))
- if msg.get('type') == 'error':
- raise ExtractorError('crunchyroll returned error: %s' % msg['message_body'], expected=True)
-
- video_title = self._html_search_regex(r'<h1[^>]*>(.+?)</h1>', webpage, 'video_title', flags=re.DOTALL)
- video_title = re.sub(r' {2,}', ' ', video_title)
- video_description = self._html_search_regex(r'"description":"([^"]+)', webpage, 'video_description', default='')
- if not video_description:
- video_description = None
- video_upload_date = self._html_search_regex(r'<div>Availability for free users:(.+?)</div>', webpage, 'video_upload_date', fatal=False, flags=re.DOTALL)
- if video_upload_date:
- video_upload_date = unified_strdate(video_upload_date)
- video_uploader = self._html_search_regex(r'<div>\s*Publisher:(.+?)</div>', webpage, 'video_uploader', fatal=False, flags=re.DOTALL)
-
- playerdata_url = compat_urllib_parse.unquote(self._html_search_regex(r'"config_url":"([^"]+)', webpage, 'playerdata_url'))
- playerdata_req = compat_urllib_request.Request(playerdata_url)
- playerdata_req.data = compat_urllib_parse.urlencode({'current_page': webpage_url})
- playerdata_req.add_header('Content-Type', 'application/x-www-form-urlencoded')
- playerdata = self._download_webpage(playerdata_req, video_id, note='Downloading media info')
-
- stream_id = self._search_regex(r'<media_id>([^<]+)', playerdata, 'stream_id')
- video_thumbnail = self._search_regex(r'<episode_image_url>([^<]+)', playerdata, 'thumbnail', fatal=False)
-
- formats = []
- for fmt in re.findall(r'\?p([0-9]{3,4})=1', webpage):
- stream_quality, stream_format = self._FORMAT_IDS[fmt]
- video_format = fmt+'p'
- streamdata_req = compat_urllib_request.Request('http://www.crunchyroll.com/xml/')
- # urlencode doesn't work!
- streamdata_req.data = 'req=RpcApiVideoEncode%5FGetStreamInfo&video%5Fencode%5Fquality='+stream_quality+'&media%5Fid='+stream_id+'&video%5Fformat='+stream_format
- streamdata_req.add_header('Content-Type', 'application/x-www-form-urlencoded')
- streamdata_req.add_header('Content-Length', str(len(streamdata_req.data)))
- streamdata = self._download_webpage(streamdata_req, video_id, note='Downloading media info for '+video_format)
- video_url = self._search_regex(r'<host>([^<]+)', streamdata, 'video_url')
- video_play_path = self._search_regex(r'<file>([^<]+)', streamdata, 'video_play_path')
- formats.append({
- 'url': video_url,
- 'play_path': video_play_path,
- 'ext': 'flv',
- 'format': video_format,
- 'format_id': video_format,
- })
-
- subtitles = {}
- for sub_id, sub_name in re.findall(r'\?ssid=([0-9]+)" title="([^"]+)', webpage):
- sub_page = self._download_webpage('http://www.crunchyroll.com/xml/?req=RpcApiSubtitle_GetXml&subtitle_script_id='+sub_id,\
- video_id, note='Downloading subtitles for '+sub_name)
- id = self._search_regex(r'id=\'([0-9]+)', sub_page, 'subtitle_id', fatal=False)
- iv = self._search_regex(r'<iv>([^<]+)', sub_page, 'subtitle_iv', fatal=False)
- data = self._search_regex(r'<data>([^<]+)', sub_page, 'subtitle_data', fatal=False)
- if not id or not iv or not data:
- continue
- id = int(id)
- iv = base64.b64decode(iv)
- data = base64.b64decode(data)
-
- subtitle = self._decrypt_subtitles(data, iv, id).decode('utf-8')
- lang_code = self._search_regex(r'lang_code=["\']([^"\']+)', subtitle, 'subtitle_lang_code', fatal=False)
- if not lang_code:
- continue
- subtitles[lang_code] = self._convert_subtitles_to_srt(subtitle)
-
- return {
- 'id': video_id,
- 'title': video_title,
- 'description': video_description,
- 'thumbnail': video_thumbnail,
- 'uploader': video_uploader,
- 'upload_date': video_upload_date,
- 'subtitles': subtitles,
- 'formats': formats,
- }
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