mirror of
https://github.com/l1ving/youtube-dl
synced 2024-12-23 10:52:51 +08:00
288 lines
12 KiB
Python
288 lines
12 KiB
Python
# encoding: utf-8
|
||
from __future__ import unicode_literals
|
||
|
||
import re
|
||
import json
|
||
import base64
|
||
import zlib
|
||
import xml.etree.ElementTree
|
||
|
||
from hashlib import sha1
|
||
from math import pow, sqrt, floor
|
||
from .subtitles import SubtitlesInfoExtractor
|
||
from ..utils import (
|
||
ExtractorError,
|
||
compat_urllib_parse,
|
||
compat_urllib_request,
|
||
bytes_to_intlist,
|
||
intlist_to_bytes,
|
||
unified_strdate,
|
||
clean_html,
|
||
urlencode_postdata,
|
||
)
|
||
from ..aes import (
|
||
aes_cbc_decrypt,
|
||
inc,
|
||
)
|
||
|
||
|
||
class CrunchyrollIE(SubtitlesInfoExtractor):
|
||
_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 _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()
|
||
|
||
|
||
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 _convert_subtitles_to_ass(self, subtitles):
|
||
output = ''
|
||
|
||
def ass_bool(strvalue):
|
||
assvalue = '0'
|
||
if strvalue == '1':
|
||
assvalue = '-1'
|
||
return assvalue
|
||
|
||
sub_root = xml.etree.ElementTree.fromstring(subtitles)
|
||
if not sub_root:
|
||
return output
|
||
|
||
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 _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 = {}
|
||
sub_format = self._downloader.params.get('subtitlesformat', 'srt')
|
||
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
|
||
if sub_format == 'ass':
|
||
subtitles[lang_code] = self._convert_subtitles_to_ass(subtitle)
|
||
else:
|
||
subtitles[lang_code] = self._convert_subtitles_to_srt(subtitle)
|
||
|
||
if self._downloader.params.get('listsubtitles', False):
|
||
self._list_available_subtitles(video_id, subtitles)
|
||
return
|
||
|
||
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,
|
||
}
|