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youtube-dl/youtube_dl/extractor/crunchyroll.py

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# encoding: utf-8
from __future__ import unicode_literals
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import re
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import json
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import base64
import zlib
import xml.etree.ElementTree
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from hashlib import sha1
from math import pow, sqrt, floor
from .common import InfoExtractor
from ..compat import (
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compat_urllib_parse,
compat_urllib_parse_unquote,
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compat_urllib_request,
compat_urlparse,
)
from ..utils import (
ExtractorError,
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bytes_to_intlist,
intlist_to_bytes,
int_or_none,
remove_end,
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unified_strdate,
urlencode_postdata,
xpath_text,
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)
from ..aes import (
aes_cbc_decrypt,
)
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class CrunchyrollIE(InfoExtractor):
_VALID_URL = r'https?://(?:(?P<prefix>www|m)\.)?(?P<url>crunchyroll\.(?:com|fr)/(?:media(?:-|/\?id=)|[^/]*/[^/?&]*?)(?P<video_id>[0-9]+))(?:[/?&]|$)'
_NETRC_MACHINE = 'crunchyroll'
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_TESTS = [{
'url': 'http://www.crunchyroll.com/wanna-be-the-strongest-in-the-world/episode-1-an-idol-wrestler-is-born-645513',
'info_dict': {
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'id': '645513',
'ext': 'flv',
'title': 'Wanna be the Strongest in the World Episode 1 An Idol-Wrestler is Born!',
'description': 'md5:2d17137920c64f2f49981a7797d275ef',
'thumbnail': 'http://img1.ak.crunchyroll.com/i/spire1-tmb/20c6b5e10f1a47b10516877d3c039cae1380951166_full.jpg',
'uploader': 'Yomiuri Telecasting Corporation (YTV)',
'upload_date': '20131013',
'url': 're:(?!.*&amp)',
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},
'params': {
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# rtmp
'skip_download': True,
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},
}, {
'url': 'http://www.crunchyroll.com/media-589804/culture-japan-1',
'info_dict': {
'id': '589804',
'ext': 'flv',
'title': 'Culture Japan Episode 1 Rebuilding Japan after the 3.11',
'description': 'md5:fe2743efedb49d279552926d0bd0cd9e',
'thumbnail': 're:^https?://.*\.jpg$',
'uploader': 'Danny Choo Network',
'upload_date': '20120213',
},
'params': {
# rtmp
'skip_download': True,
},
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}, {
'url': 'http://www.crunchyroll.fr/girl-friend-beta/episode-11-goodbye-la-mode-661697',
'only_matching': True,
}]
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_FORMAT_IDS = {
'360': ('60', '106'),
'480': ('61', '106'),
'720': ('62', '106'),
'1080': ('80', '108'),
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}
def _login(self):
(username, password) = self._get_login_info()
if username is None:
return
self.report_login()
login_url = 'https://www.crunchyroll.com/?a=formhandler'
data = urlencode_postdata({
'formname': 'RpcApiUser_Login',
'name': username,
'password': password,
})
login_request = compat_urllib_request.Request(login_url, data)
login_request.add_header('Content-Type', 'application/x-www-form-urlencoded')
self._download_webpage(login_request, None, False, 'Wrong login info')
def _real_initialize(self):
self._login()
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def _decrypt_subtitles(self, data, iv, id):
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data = bytes_to_intlist(base64.b64decode(data.encode('utf-8')))
iv = bytes_to_intlist(base64.b64decode(iv.encode('utf-8')))
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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())
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# Extend 160 Bit hash to 256 Bit
return shaHash + [0] * 12
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key = obfuscate_key(id)
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decrypted_data = intlist_to_bytes(aes_cbc_decrypt(data, key, iv))
return zlib.decompress(decrypted_data)
def _convert_subtitles_to_srt(self, sub_root):
output = ''
for i, event in enumerate(sub_root.findall('./events/event'), 1):
start = event.attrib['start'].replace('.', ',')
end = event.attrib['end'].replace('.', ',')
text = event.attrib['text'].replace('\\N', '\n')
output += '%d\n%s --> %s\n%s\n\n' % (i, start, end, text)
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return output
def _convert_subtitles_to_ass(self, sub_root):
output = ''
def ass_bool(strvalue):
assvalue = '0'
if strvalue == '1':
assvalue = '-1'
return assvalue
output = '[Script Info]\n'
output += 'Title: %s\n' % sub_root.attrib["title"]
output += 'ScriptType: v4.00+\n'
output += 'WrapStyle: %s\n' % sub_root.attrib["wrap_style"]
output += 'PlayResX: %s\n' % sub_root.attrib["play_res_x"]
output += 'PlayResY: %s\n' % sub_root.attrib["play_res_y"]
output += """ScaledBorderAndShadow: yes
[V4+ Styles]
Format: Name, Fontname, Fontsize, PrimaryColour, SecondaryColour, OutlineColour, BackColour, Bold, Italic, Underline, StrikeOut, ScaleX, ScaleY, Spacing, Angle, BorderStyle, Outline, Shadow, Alignment, MarginL, MarginR, MarginV, Encoding
"""
for style in sub_root.findall('./styles/style'):
output += 'Style: ' + style.attrib["name"]
output += ',' + style.attrib["font_name"]
output += ',' + style.attrib["font_size"]
output += ',' + style.attrib["primary_colour"]
output += ',' + style.attrib["secondary_colour"]
output += ',' + style.attrib["outline_colour"]
output += ',' + style.attrib["back_colour"]
output += ',' + ass_bool(style.attrib["bold"])
output += ',' + ass_bool(style.attrib["italic"])
output += ',' + ass_bool(style.attrib["underline"])
output += ',' + ass_bool(style.attrib["strikeout"])
output += ',' + style.attrib["scale_x"]
output += ',' + style.attrib["scale_y"]
output += ',' + style.attrib["spacing"]
output += ',' + style.attrib["angle"]
output += ',' + style.attrib["border_style"]
output += ',' + style.attrib["outline"]
output += ',' + style.attrib["shadow"]
output += ',' + style.attrib["alignment"]
output += ',' + style.attrib["margin_l"]
output += ',' + style.attrib["margin_r"]
output += ',' + style.attrib["margin_v"]
output += ',' + style.attrib["encoding"]
output += '\n'
output += """
[Events]
Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text
"""
for event in sub_root.findall('./events/event'):
output += 'Dialogue: 0'
output += ',' + event.attrib["start"]
output += ',' + event.attrib["end"]
output += ',' + event.attrib["style"]
output += ',' + event.attrib["name"]
output += ',' + event.attrib["margin_l"]
output += ',' + event.attrib["margin_r"]
output += ',' + event.attrib["margin_v"]
output += ',' + event.attrib["effect"]
output += ',' + event.attrib["text"]
output += '\n'
return output
def _extract_subtitles(self, subtitle):
sub_root = xml.etree.ElementTree.fromstring(subtitle)
return [{
'ext': 'srt',
'data': self._convert_subtitles_to_srt(sub_root),
}, {
'ext': 'ass',
'data': self._convert_subtitles_to_ass(sub_root),
}]
def _get_subtitles(self, video_id, webpage):
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
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._extract_subtitles(subtitle)
return subtitles
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def _real_extract(self, url):
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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')
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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='')
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if note_m:
raise ExtractorError(note_m)
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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)
if 'To view this, please log in to verify you are 18 or older.' in webpage:
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self.raise_login_required()
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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='')
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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)
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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)
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playerdata_url = compat_urllib_parse_unquote(self._html_search_regex(r'"config_url":"([^"]+)', webpage, 'playerdata_url'))
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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')
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stream_id = self._search_regex(r'<media_id>([^<]+)', playerdata, 'stream_id')
video_thumbnail = self._search_regex(r'<episode_image_url>([^<]+)', playerdata, 'thumbnail', fatal=False)
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formats = []
for fmt in re.findall(r'showmedia\.([0-9]{3,4})p', webpage):
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stream_quality, stream_format = self._FORMAT_IDS[fmt]
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video_format = fmt + 'p'
streamdata_req = compat_urllib_request.Request(
'http://www.crunchyroll.com/xml/?req=RpcApiVideoPlayer_GetStandardConfig&media_id=%s&video_format=%s&video_quality=%s'
% (stream_id, stream_format, stream_quality),
compat_urllib_parse.urlencode({'current_page': url}).encode('utf-8'))
streamdata_req.add_header('Content-Type', 'application/x-www-form-urlencoded')
streamdata = self._download_xml(
streamdata_req, video_id,
note='Downloading media info for %s' % video_format)
stream_info = streamdata.find('./{default}preload/stream_info')
video_url = stream_info.find('./host').text
video_play_path = stream_info.find('./file').text
metadata = stream_info.find('./metadata')
format_info = {
'format': video_format,
'format_id': video_format,
'height': int_or_none(xpath_text(metadata, './height')),
'width': int_or_none(xpath_text(metadata, './width')),
}
if '.fplive.net/' in video_url:
video_url = re.sub(r'^rtmpe?://', 'http://', video_url.strip())
parsed_video_url = compat_urlparse.urlparse(video_url)
direct_video_url = compat_urlparse.urlunparse(parsed_video_url._replace(
netloc='v.lvlt.crcdn.net',
path='%s/%s' % (remove_end(parsed_video_url.path, '/'), video_play_path.split(':')[-1])))
if self._is_valid_url(direct_video_url, video_id, video_format):
format_info.update({
'url': direct_video_url,
})
formats.append(format_info)
continue
format_info.update({
'url': video_url,
'play_path': video_play_path,
'ext': 'flv',
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})
formats.append(format_info)
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subtitles = self.extract_subtitles(video_id, webpage)
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return {
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'id': video_id,
'title': video_title,
'description': video_description,
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'thumbnail': video_thumbnail,
'uploader': video_uploader,
'upload_date': video_upload_date,
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'subtitles': subtitles,
'formats': formats,
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}
class CrunchyrollShowPlaylistIE(InfoExtractor):
IE_NAME = "crunchyroll:playlist"
_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\-]+))/?$'
_TESTS = [{
'url': 'http://www.crunchyroll.com/a-bridge-to-the-starry-skies-hoshizora-e-kakaru-hashi',
'info_dict': {
'id': 'a-bridge-to-the-starry-skies-hoshizora-e-kakaru-hashi',
'title': 'A Bridge to the Starry Skies - Hoshizora e Kakaru Hashi'
},
'playlist_count': 13,
}]
def _real_extract(self, url):
show_id = self._match_id(url)
webpage = self._download_webpage(url, show_id)
title = self._html_search_regex(
r'(?s)<h1[^>]*>\s*<span itemprop="name">(.*?)</span>',
webpage, 'title')
episode_paths = re.findall(
r'(?s)<li id="showview_videos_media_[0-9]+"[^>]+>.*?<a href="([^"]+)"',
webpage)
entries = [
self.url_result('http://www.crunchyroll.com' + ep, 'Crunchyroll')
for ep in episode_paths
]
entries.reverse()
return {
'_type': 'playlist',
'id': show_id,
'title': title,
'entries': entries,
}