mirror of
https://github.com/yt-dlp/yt-dlp
synced 2024-12-19 06:55:54 +01:00
204 lines
7.3 KiB
Python
204 lines
7.3 KiB
Python
# coding: utf-8
|
|
from __future__ import unicode_literals
|
|
|
|
import time
|
|
import math
|
|
import re
|
|
from urlparse import urlparse, urlunparse, urldefrag
|
|
from urllib import quote, urlencode
|
|
from os.path import basename
|
|
|
|
from .common import InfoExtractor
|
|
from ..utils import ExtractorError, compat_urllib_request, compat_html_parser
|
|
|
|
|
|
class GroovesharkHtmlParser(compat_html_parser.HTMLParser):
|
|
def __init__(self):
|
|
self._current_object = None
|
|
self.objects = []
|
|
compat_html_parser.HTMLParser.__init__(self)
|
|
|
|
def handle_starttag(self, tag, attrs):
|
|
attrs = dict((k, v) for k, v in attrs)
|
|
if tag == 'object':
|
|
self._current_object = {'attrs': attrs, 'params': []}
|
|
elif tag == 'param':
|
|
self._current_object['params'].append(attrs)
|
|
|
|
def handle_endtag(self, tag):
|
|
if tag == 'object':
|
|
self.objects.append(self._current_object)
|
|
self._current_object = None
|
|
|
|
@classmethod
|
|
def extract_object_tags(cls, html):
|
|
p = cls()
|
|
p.feed(html)
|
|
p.close()
|
|
return p.objects
|
|
|
|
|
|
class GroovesharkIE(InfoExtractor):
|
|
_VALID_URL = r'https?://(www\.)?grooveshark\.com/#!/s/([^/]+)/([^/]+)'
|
|
_TEST = {
|
|
'url': 'http://grooveshark.com/#!/s/Jolene+Tenth+Key+Remix+Ft+Will+Sessions/6SS1DW?src=5',
|
|
'md5': 'bbccc50b19daca23b8f961152c1dc95b',
|
|
'info_dict': {
|
|
'id': '6SS1DW',
|
|
'title': 'Jolene (Tenth Key Remix ft. Will Sessions)',
|
|
'ext': 'mp3',
|
|
'duration': 227
|
|
}
|
|
}
|
|
|
|
do_playerpage_request = True
|
|
do_bootstrap_request = True
|
|
|
|
def _parse_target(self, target):
|
|
uri = urlparse(target)
|
|
hash = uri.fragment[1:].split('?')[0]
|
|
token = basename(hash.rstrip('/'))
|
|
return (uri, hash, token)
|
|
|
|
def _build_bootstrap_url(self, target):
|
|
(uri, hash, token) = self._parse_target(target)
|
|
query = 'getCommunicationToken=1&hash=%s&%d' % (quote(hash, safe=''), self.ts)
|
|
return (urlunparse((uri.scheme, uri.netloc, '/preload.php', None, query, None)), token)
|
|
|
|
def _build_meta_url(self, target):
|
|
(uri, hash, token) = self._parse_target(target)
|
|
query = 'hash=%s&%d' % (quote(hash, safe=''), self.ts)
|
|
return (urlunparse((uri.scheme, uri.netloc, '/preload.php', None, query, None)), token)
|
|
|
|
def _build_stream_url(self, meta):
|
|
return urlunparse(('http', meta['streamKey']['ip'], '/stream.php', None, None, None))
|
|
|
|
def _build_swf_referer(self, target, obj):
|
|
(uri, _, _) = self._parse_target(target)
|
|
return urlunparse((uri.scheme, uri.netloc, obj['attrs']['data'], None, None, None))
|
|
|
|
def _transform_bootstrap(self, js):
|
|
return re.split('^\s*try\s*{', js, flags=re.M)[0] \
|
|
.split(' = ', 1)[1].strip().rstrip(';')
|
|
|
|
def _transform_meta(self, js):
|
|
return js.split('\n')[0].split('=')[1].rstrip(';')
|
|
|
|
def _get_meta(self, target):
|
|
(meta_url, token) = self._build_meta_url(target)
|
|
self.to_screen('Metadata URL: %s' % meta_url)
|
|
|
|
headers = {'Referer': urldefrag(target)[0]}
|
|
req = compat_urllib_request.Request(meta_url, headers=headers)
|
|
res = self._download_json(req, token,
|
|
transform_source=self._transform_meta)
|
|
|
|
if 'getStreamKeyWithSong' not in res:
|
|
raise ExtractorError(
|
|
'Metadata not found. URL may be malformed, or Grooveshark API may have changed.')
|
|
|
|
if res['getStreamKeyWithSong'] is None:
|
|
raise ExtractorError(
|
|
'Metadata download failed, probably due to Grooveshark anti-abuse throttling. Wait at least an hour before retrying from this IP.',
|
|
expected=True)
|
|
|
|
return res['getStreamKeyWithSong']
|
|
|
|
def _get_bootstrap(self, target):
|
|
(bootstrap_url, token) = self._build_bootstrap_url(target)
|
|
|
|
headers = {'Referer': urldefrag(target)[0]}
|
|
req = compat_urllib_request.Request(bootstrap_url, headers=headers)
|
|
res = self._download_json(req, token, fatal=False,
|
|
note='Downloading player bootstrap data',
|
|
errnote='Unable to download player bootstrap data',
|
|
transform_source=self._transform_bootstrap)
|
|
return res
|
|
|
|
def _get_playerpage(self, target):
|
|
(_, _, token) = self._parse_target(target)
|
|
|
|
res = self._download_webpage(
|
|
target, token,
|
|
note='Downloading player page',
|
|
errnote='Unable to download player page',
|
|
fatal=False)
|
|
|
|
if res is not None:
|
|
o = GroovesharkHtmlParser.extract_object_tags(res)
|
|
return (res, [x for x in o if x['attrs']['id'] == 'jsPlayerEmbed'])
|
|
|
|
return (res, None)
|
|
|
|
def _real_extract(self, url):
|
|
(target_uri, _, token) = self._parse_target(url)
|
|
|
|
# 1. Fill cookiejar by making a request to the player page
|
|
if self.do_playerpage_request:
|
|
(_, player_objs) = self._get_playerpage(url)
|
|
if player_objs is not None:
|
|
swf_referer = self._build_swf_referer(url, player_objs[0])
|
|
self.to_screen('SWF Referer: %s' % swf_referer)
|
|
|
|
# 2. Ask preload.php for swf bootstrap data to better mimic webapp
|
|
if self.do_bootstrap_request:
|
|
bootstrap = self._get_bootstrap(url)
|
|
self.to_screen('CommunicationToken: %s' % bootstrap['getCommunicationToken'])
|
|
|
|
# 3. Ask preload.php for track metadata.
|
|
meta = self._get_meta(url)
|
|
|
|
# 4. Construct stream request for track.
|
|
stream_url = self._build_stream_url(meta)
|
|
duration = int(math.ceil(float(meta['streamKey']['uSecs']) / 1000000))
|
|
post_dict = {'streamKey': meta['streamKey']['streamKey']}
|
|
post_data = urlencode(post_dict).encode('utf-8')
|
|
headers = {
|
|
'Content-Length': len(post_data),
|
|
'Content-Type': 'application/x-www-form-urlencoded'
|
|
}
|
|
|
|
if 'swf_referer' in locals():
|
|
headers['Referer'] = swf_referer
|
|
|
|
req = compat_urllib_request.Request(stream_url, post_data, headers)
|
|
|
|
info_dict = {
|
|
'id': token,
|
|
'title': meta['song']['Name'],
|
|
'http_method': 'POST',
|
|
'url': stream_url,
|
|
'ext': 'mp3',
|
|
'format': 'mp3 audio',
|
|
'duration': duration,
|
|
|
|
# various ways of supporting the download request.
|
|
# remove keys unnecessary to the eventual post implementation
|
|
'post_data': post_data,
|
|
'post_dict': post_dict,
|
|
'headers': headers,
|
|
'request': req
|
|
}
|
|
|
|
if 'swf_referer' in locals():
|
|
info_dict['http_referer'] = swf_referer
|
|
|
|
return info_dict
|
|
|
|
def _real_initialize(self):
|
|
self.ts = int(time.time() * 1000) # timestamp in millis
|
|
|
|
def _download_json(self, url_or_request, video_id,
|
|
note=u'Downloading JSON metadata',
|
|
errnote=u'Unable to download JSON metadata',
|
|
fatal=True,
|
|
transform_source=None):
|
|
try:
|
|
out = super(GroovesharkIE, self)._download_json(
|
|
url_or_request, video_id, note, errnote, transform_source)
|
|
return out
|
|
except ExtractorError as ee:
|
|
if fatal:
|
|
raise ee
|
|
return None
|