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Merge pull request #7208 from yan12125/letv-fix

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[Letv] Fix extraction
This commit is contained in:
Yen Chi Hsuan
2015-10-18 22:32:10 +08:00
parent e36963e0eb 05a3879f1c
commit 4285a47f40
5 changed files with 105 additions and 20 deletions
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4
youtube_dl/YoutubeDL.py
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@@ -37,6 +37,7 @@ from .compat import (
compat_tokenize_tokenize,
compat_urllib_error,
compat_urllib_request,
compat_urllib_request_DataHandler,
)
from .utils import (
ContentTooShortError,
@@ -1967,8 +1968,9 @@ class YoutubeDL(object):
debuglevel = 1 if self.params.get('debug_printtraffic') else 0
https_handler = make_HTTPS_handler(self.params, debuglevel=debuglevel)
ydlh = YoutubeDLHandler(self.params, debuglevel=debuglevel)
data_handler = compat_urllib_request_DataHandler()
opener = compat_urllib_request.build_opener(
proxy_handler, https_handler, cookie_processor, ydlh)
proxy_handler, https_handler, cookie_processor, ydlh, data_handler)
# Delete the default user-agent header, which would otherwise apply in
# cases where our custom HTTP handler doesn't come into play

44
youtube_dl/compat.py
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@@ -1,7 +1,10 @@
from __future__ import unicode_literals
import binascii
import collections
import email
import getpass
import io
import optparse
import os
import re
@@ -38,6 +41,11 @@ try:
except ImportError: # Python 2
import urlparse as compat_urlparse
try:
import urllib.response as compat_urllib_response
except ImportError: # Python 2
import urllib as compat_urllib_response
try:
import http.cookiejar as compat_cookiejar
except ImportError: # Python 2
@@ -155,6 +163,40 @@ except ImportError: # Python 2
string = string.replace('+', ' ')
return compat_urllib_parse_unquote(string, encoding, errors)
try:
from urllib.request import DataHandler as compat_urllib_request_DataHandler
except ImportError: # Python < 3.4
# Ported from CPython 98774:1733b3bd46db, Lib/urllib/request.py
class compat_urllib_request_DataHandler(compat_urllib_request.BaseHandler):
def data_open(self, req):
# data URLs as specified in RFC 2397.
#
# ignores POSTed data
#
# syntax:
# dataurl := "data:" [ mediatype ] [ ";base64" ] "," data
# mediatype := [ type "/" subtype ] *( ";" parameter )
# data := *urlchar
# parameter := attribute "=" value
url = req.get_full_url()
scheme, data = url.split(":", 1)
mediatype, data = data.split(",", 1)
# even base64 encoded data URLs might be quoted so unquote in any case:
data = compat_urllib_parse_unquote_to_bytes(data)
if mediatype.endswith(";base64"):
data = binascii.a2b_base64(data)
mediatype = mediatype[:-7]
if not mediatype:
mediatype = "text/plain;charset=US-ASCII"
headers = email.message_from_string(
"Content-type: %s\nContent-length: %d\n" % (mediatype, len(data)))
return compat_urllib_response.addinfourl(io.BytesIO(data), headers, url)
try:
compat_basestring = basestring # Python 2
except NameError:
@@ -489,6 +531,8 @@ __all__ = [
'compat_urllib_parse_unquote_to_bytes',
'compat_urllib_parse_urlparse',
'compat_urllib_request',
'compat_urllib_request_DataHandler',
'compat_urllib_response',
'compat_urlparse',
'compat_urlretrieve',
'compat_xml_parse_error',

2
youtube_dl/downloader/hls.py
View File

@@ -30,7 +30,7 @@ class HlsFD(FileDownloader):
args = [ffpp.executable, '-y']
if info_dict['http_headers']:
if info_dict['http_headers'] and re.match(r'^https?://', url):
# Trailing \r\n after each HTTP header is important to prevent warning from ffmpeg/avconv:
# [http @ 00000000003d2fa0] No trailing CRLF found in HTTP header.
args += [

70
youtube_dl/extractor/letv.py
View File

@@ -9,13 +9,14 @@ from .common import InfoExtractor
from ..compat import (
compat_urllib_parse,
compat_urllib_request,
compat_urlparse,
compat_ord,
)
from ..utils import (
determine_ext,
ExtractorError,
parse_iso8601,
int_or_none,
encode_data_uri,
)
@@ -25,15 +26,16 @@ class LetvIE(InfoExtractor):
_TESTS = [{
'url': 'http://www.letv.com/ptv/vplay/22005890.html',
'md5': 'cab23bd68d5a8db9be31c9a222c1e8df',
'md5': 'edadcfe5406976f42f9f266057ee5e40',
'info_dict': {
'id': '22005890',
'ext': 'mp4',
'title': '第87届奥斯卡颁奖礼完美落幕 《鸟人》成最大赢家',
'timestamp': 1424747397,
'upload_date': '20150224',
'description': 'md5:a9cb175fd753e2962176b7beca21a47c',
}
},
'params': {
'hls_prefer_native': True,
},
}, {
'url': 'http://www.letv.com/ptv/vplay/1415246.html',
'info_dict': {
@@ -42,16 +44,22 @@ class LetvIE(InfoExtractor):
'title': '美人天下01',
'description': 'md5:f88573d9d7225ada1359eaf0dbf8bcda',
},
'params': {
'hls_prefer_native': True,
},
}, {
'note': 'This video is available only in Mainland China, thus a proxy is needed',
'url': 'http://www.letv.com/ptv/vplay/1118082.html',
'md5': 'f80936fbe20fb2f58648e81386ff7927',
'md5': '2424c74948a62e5f31988438979c5ad1',
'info_dict': {
'id': '1118082',
'ext': 'mp4',
'title': '与龙共舞 完整版',
'description': 'md5:7506a5eeb1722bb9d4068f85024e3986',
},
'params': {
'hls_prefer_native': True,
},
'skip': 'Only available in China',
}]
@@ -74,6 +82,27 @@ class LetvIE(InfoExtractor):
_loc3_ = self.ror(_loc3_, _loc2_ % 17)
return _loc3_
# see M3U8Encryption class in KLetvPlayer.swf
@staticmethod
def decrypt_m3u8(encrypted_data):
if encrypted_data[:5].decode('utf-8').lower() != 'vc_01':
return encrypted_data
encrypted_data = encrypted_data[5:]
_loc4_ = bytearray()
while encrypted_data:
b = compat_ord(encrypted_data[0])
_loc4_.extend([b // 16, b & 0x0f])
encrypted_data = encrypted_data[1:]
idx = len(_loc4_) - 11
_loc4_ = _loc4_[idx:] + _loc4_[:idx]
_loc7_ = bytearray()
while _loc4_:
_loc7_.append(_loc4_[0] * 16 + _loc4_[1])
_loc4_ = _loc4_[2:]
return bytes(_loc7_)
def _real_extract(self, url):
media_id = self._match_id(url)
page = self._download_webpage(url, media_id)
@@ -115,23 +144,28 @@ class LetvIE(InfoExtractor):
for format_id in formats:
if format_id in dispatch:
media_url = playurl['domain'][0] + dispatch[format_id][0]
# Mimic what flvxz.com do
url_parts = list(compat_urlparse.urlparse(media_url))
qs = dict(compat_urlparse.parse_qs(url_parts[4]))
qs.update({
'platid': '14',
'splatid': '1401',
'tss': 'no',
'retry': 1
media_url += '&' + compat_urllib_parse.urlencode({
'm3v': 1,
'format': 1,
'expect': 3,
'rateid': format_id,
})
url_parts[4] = compat_urllib_parse.urlencode(qs)
media_url = compat_urlparse.urlunparse(url_parts)
nodes_data = self._download_json(
media_url, media_id,
'Download JSON metadata for format %s' % format_id)
req = self._request_webpage(
nodes_data['nodelist'][0]['location'], media_id,
note='Downloading m3u8 information for format %s' % format_id)
m3u8_data = self.decrypt_m3u8(req.read())
url_info_dict = {
'url': media_url,
'url': encode_data_uri(m3u8_data, 'application/vnd.apple.mpegurl'),
'ext': determine_ext(dispatch[format_id][1]),
'format_id': format_id,
'protocol': 'm3u8',
}
if format_id[-1:] == 'p':

5
youtube_dl/utils.py
View File

@@ -3,6 +3,7 @@
from __future__ import unicode_literals
import base64
import calendar
import codecs
import contextlib
@@ -1795,6 +1796,10 @@ def urlhandle_detect_ext(url_handle):
return mimetype2ext(getheader('Content-Type'))
def encode_data_uri(data, mime_type):
return 'data:%s;base64,%s' % (mime_type, base64.b64encode(data).decode('ascii'))
def age_restricted(content_limit, age_limit):
""" Returns True iff the content should be blocked """