1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
|
# coding: utf-8
from __future__ import unicode_literals
import time
import math
import os.path
import re
from .common import InfoExtractor
from ..compat import (
compat_html_parser,
compat_urllib_parse,
compat_urllib_request,
compat_urlparse,
)
from ..utils import ExtractorError
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': '7ecf8aefa59d6b2098517e1baa530023',
'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 = compat_urlparse.urlparse(target)
hash = uri.fragment[1:].split('?')[0]
token = os.path.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' % (compat_urllib_parse.quote(hash, safe=''), self.ts)
return (compat_urlparse.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' % (compat_urllib_parse.quote(hash, safe=''), self.ts)
return (compat_urlparse.urlunparse((uri.scheme, uri.netloc, '/preload.php', None, query, None)), token)
def _build_stream_url(self, meta):
return compat_urlparse.urlunparse(('http', meta['streamKey']['ip'], '/stream.php', None, None, None))
def _build_swf_referer(self, target, obj):
(uri, _, _) = self._parse_target(target)
return compat_urlparse.urlunparse((uri.scheme, uri.netloc, obj['attrs']['data'], None, None, None))
def _transform_bootstrap(self, js):
return re.split('(?m)^\s*try\s*{', js)[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': compat_urlparse.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': compat_urlparse.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)
webpage = self._download_webpage(
target, token,
note='Downloading player page',
errnote='Unable to download player page',
fatal=False)
if webpage is not None:
# Search (for example German) error message
error_msg = self._html_search_regex(
r'<div id="content">\s*<h2>(.*?)</h2>', webpage,
'error message', default=None)
if error_msg is not None:
error_msg = error_msg.replace('\n', ' ')
raise ExtractorError('Grooveshark said: %s' % error_msg)
if webpage is not None:
o = GroovesharkHtmlParser.extract_object_tags(webpage)
return (webpage, [x for x in o if x['attrs']['id'] == 'jsPlayerEmbed'])
return (webpage, None)
def _real_initialize(self):
self.ts = int(time.time() * 1000) # timestamp in millis
def _real_extract(self, url):
(target_uri, _, token) = self._parse_target(url)
# 1. Fill cookiejar by making a request to the player page
swf_referer = None
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 = compat_urllib_parse.urlencode(post_dict).encode('utf-8')
headers = {
'Content-Length': len(post_data),
'Content-Type': 'application/x-www-form-urlencoded'
}
if swf_referer is not None:
headers['Referer'] = swf_referer
return {
'id': token,
'title': meta['song']['Name'],
'http_method': 'POST',
'url': stream_url,
'ext': 'mp3',
'format': 'mp3 audio',
'duration': duration,
'http_post_data': post_data,
'http_headers': headers,
}
|
