Philipp Hagemeister
11 years ago
3 changed files with 298 additions and 18 deletions
Split View
Diff Options
@ -0,0 +1,171 @@ |
|||
# 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, |
|||
} |
|||
Write
Preview
Loading…
Cancel
Save