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-rw-r--r--youtube_dl/extractor/crunchyroll.py171
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diff --git a/youtube_dl/extractor/crunchyroll.py b/youtube_dl/extractor/crunchyroll.py
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+++ b/youtube_dl/extractor/crunchyroll.py
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+# encoding: utf-8
+import re, base64, 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?://)?(?:www\.)?(?P<url>crunchyroll\.com/[^/]*/[^/?&]*?(?P<video_id>[0-9]+))(?:[/?&]|$)'
+ _TESTS = [{
+ u'url': u'http://www.crunchyroll.com/wanna-be-the-strongest-in-the-world/episode-1-an-idol-wrestler-is-born-645513',
+ u'file': u'645513.flv',
+ #u'md5': u'b1639fd6ddfaa43788c85f6d1dddd412',
+ u'info_dict': {
+ u'title': u'Wanna be the Strongest in the World – Episode 1 – An Idol-Wrestler is Born!',
+ u'description': u'md5:2d17137920c64f2f49981a7797d275ef',
+ u'thumbnail': u'http://img1.ak.crunchyroll.com/i/spire1-tmb/20c6b5e10f1a47b10516877d3c039cae1380951166_full.jpg',
+ u'uploader': u'Yomiuri Telecasting Corporation (YTV)',
+ u'upload_date': u'20131013',
+ },
+ u'params': {
+ # rtmp
+ u'skip_download': True,
+ },
+ }]
+
+ _FORMAT_IDS = {
+ u'360': (u'60', u'106'),
+ u'480': (u'61', u'106'),
+ u'720': (u'62', u'106'),
+ u'1080': (u'80', u'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(u'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):
+ i=1
+ output = u''
+ for start, end, text in re.findall(r'<event [^>]*?start="([^"]+)" [^>]*?end="([^"]+)" [^>]*?text="([^"]+)"[^>]*?>', subtitles):
+ start = start.replace(u'.', u',')
+ end = end.replace(u'.', u',')
+ text = clean_html(text)
+ text = text.replace(u'\\N', u'\n')
+ if not text:
+ continue
+ output += u'%d\n%s --> %s\n%s\n\n' % (i, start, end, text)
+ i+=1
+ return output
+
+ def _real_extract(self,url):
+ mobj = re.match(self._VALID_URL, url)
+
+ webpage_url = u'http://www.' + mobj.group('url')
+ video_id = mobj.group(u'video_id')
+ webpage = self._download_webpage(webpage_url, video_id)
+ note_m = self._html_search_regex(r'<div class="showmedia-trailer-notice">(.+?)</div>', webpage, u'trailer-notice', default=u'')
+ if note_m:
+ raise ExtractorError(note_m)
+
+ video_title = self._html_search_regex(r'<h1[^>]*>(.+?)</h1>', webpage, u'video_title', flags=re.DOTALL)
+ video_title = re.sub(r' {5} *–? *', u' – ', video_title)
+ video_description = self._html_search_regex(r'"description":"([^"]+)', webpage, u'video_description', default=u'')
+ if not video_description:
+ video_description = None
+ video_upload_date = self._html_search_regex(r'<div>Availability for free users:(.+?)</div>', webpage, u'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, u'video_uploader', fatal=False, flags=re.DOTALL)
+
+ playerdata_url = compat_urllib_parse.unquote(self._html_search_regex(r'"config_url":"([^"]+)', webpage, u'playerdata_url'))
+ playerdata_req = compat_urllib_request.Request(playerdata_url)
+ playerdata_req.data = compat_urllib_parse.urlencode({u'current_page': webpage_url})
+ playerdata_req.add_header(u'Content-Type', u'application/x-www-form-urlencoded')
+ playerdata = self._download_webpage(playerdata_req, video_id, note=u'Downloading media info')
+
+ stream_id = self._search_regex(r'<media_id>([^<]+)', playerdata, u'stream_id')
+ video_thumbnail = self._search_regex(r'<episode_image_url>([^<]+)', playerdata, u'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+u'p'
+ streamdata_req = compat_urllib_request.Request(u'http://www.crunchyroll.com/xml/')
+ # urlencode doesn't work!
+ streamdata_req.data = u'req=RpcApiVideoEncode%5FGetStreamInfo&video%5Fencode%5Fquality='+stream_quality+u'&media%5Fid='+stream_id+u'&video%5Fformat='+stream_format
+ streamdata_req.add_header(u'Content-Type', u'application/x-www-form-urlencoded')
+ streamdata_req.add_header(u'Content-Length', str(len(streamdata_req.data)))
+ streamdata = self._download_webpage(streamdata_req, video_id, note=u'Downloading media info for '+video_format)
+ video_url = self._search_regex(r'<host>([^<]+)', streamdata, u'video_url')
+ video_play_path = self._search_regex(r'<file>([^<]+)', streamdata, u'video_play_path')
+ formats.append({
+ u'url': video_url,
+ u'play_path': video_play_path,
+ u'ext': 'flv',
+ u'format': video_format,
+ u'format_id': video_format,
+ })
+
+ subtitles = {}
+ for sub_id, sub_name in re.findall(r'\?ssid=([0-9]+)" title="([^"]+)', webpage):
+ sub_page = self._download_webpage(u'http://www.crunchyroll.com/xml/?req=RpcApiSubtitle_GetXml&subtitle_script_id='+sub_id,\
+ video_id, note=u'Downloading subtitles for '+sub_name)
+ id = self._search_regex(r'id=\'([0-9]+)', sub_page, u'subtitle_id', fatal=False)
+ iv = self._search_regex(r'<iv>([^<]+)', sub_page, u'subtitle_iv', fatal=False)
+ data = self._search_regex(r'<data>([^<]+)', sub_page, u'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(u'utf-8')
+ lang_code = self._search_regex(r'lang_code=\'([^\']+)', subtitle, u'subtitle_lang_code', fatal=False)
+ if not lang_code:
+ continue
+ subtitles[lang_code] = self._convert_subtitles_to_srt(subtitle)
+
+ return {
+ u'id': video_id,
+ u'title': video_title,
+ u'description': video_description,
+ u'thumbnail': video_thumbnail,
+ u'uploader': video_uploader,
+ u'upload_date': video_upload_date,
+ u'subtitles': subtitles,
+ u'formats': formats,
+ }