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stream_id % 10 ** 3 if stream_id < 10 ** 4 else stream_id % 10 ** 4

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ivan 2017-02-24 13:23:07 +08:00
parent eeae0da6ed
commit c95d537fb4
1 changed files with 39 additions and 24 deletions
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63
src/you_get/extractors/qq.py
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@ -3,7 +3,7 @@ __all__ = ['qq_download']
from ..common import * from ..common import *
from .qie import download as qieDownload, VideoExtractor from .qie import download as qieDownload, VideoExtractor
from urllib.parse import urlparse,parse_qs from urllib.parse import urlparse, parse_qs
import struct import struct
import base64 import base64
import random import random
@ -17,6 +17,7 @@ ZERO_LEN = 7
SEED = 0xdead SEED = 0xdead
def rand(): def rand():
global SEED global SEED
if SEED == 0: if SEED == 0:
@ -28,19 +29,22 @@ def rand():
SEED = SEED + 2147483647 SEED = SEED + 2147483647
return SEED return SEED
def pack(data): def pack(data):
target = [] target = []
for i in data: for i in data:
target.extend(struct.pack('>I', i)) target.extend(struct.pack('>I', i))
return target return target
def unpack(data): def unpack(data):
data = bytes(data) data = bytes(data)
target = [] target = []
for i in range(0, len(data), 4): for i in range(0, len(data), 4):
target.extend(struct.unpack('>I', data[i:i+4])) target.extend(struct.unpack('>I', data[i:i + 4]))
return target return target
def tea_encrypt(v, key): def tea_encrypt(v, key):
s = 0 s = 0
key = unpack(key) key = unpack(key)
@ -48,12 +52,13 @@ def tea_encrypt(v, key):
for i in range(ROUNDS): for i in range(ROUNDS):
s += DELTA s += DELTA
s &= 0xffffffff s &= 0xffffffff
v[0] += (v[1]+s) ^ ((v[1]>>5)+key[1]) ^ ((v[1]<<4)+key[0]) v[0] += (v[1] + s) ^ ((v[1] >> 5) + key[1]) ^ ((v[1] << 4) + key[0])
v[0] &= 0xffffffff v[0] &= 0xffffffff
v[1] += (v[0]+s) ^ ((v[0]>>5)+key[3]) ^ ((v[0]<<4)+key[2]) v[1] += (v[0] + s) ^ ((v[0] >> 5) + key[3]) ^ ((v[0] << 4) + key[2])
v[1] &= 0xffffffff v[1] &= 0xffffffff
return pack(v) return pack(v)
def oi_symmetry_encrypt2(raw_data, key): def oi_symmetry_encrypt2(raw_data, key):
pad_salt_body_zero_len = 1 + SALT_LEN + len(raw_data) + ZERO_LEN pad_salt_body_zero_len = 1 + SALT_LEN + len(raw_data) + ZERO_LEN
pad_len = pad_salt_body_zero_len % 8 pad_len = pad_salt_body_zero_len % 8
@ -72,34 +77,37 @@ def oi_symmetry_encrypt2(raw_data, key):
for i in range(8, len(data), 8): for i in range(8, len(data), 8):
d1 = data[i:] d1 = data[i:]
for j in range(8): for j in range(8):
d1[j] = d1[j] ^ enc[i-8+j] d1[j] = d1[j] ^ enc[i - 8 + j]
d1 = tea_encrypt(d1, key) d1 = tea_encrypt(d1, key)
for j in range(8): for j in range(8):
d1[j] = d1[j] ^ data[i-8+j] ^ temp[j] d1[j] = d1[j] ^ data[i - 8 + j] ^ temp[j]
enc.append(d1[j]) enc.append(d1[j])
temp[j] = enc[i-8+j] temp[j] = enc[i - 8 + j]
return enc return enc
KEY = [ KEY = [
0xfa, 0x82, 0xde, 0xb5, 0x2d, 0x4b, 0xba, 0x31, 0xfa, 0x82, 0xde, 0xb5, 0x2d, 0x4b, 0xba, 0x31,
0x39, 0x6, 0x33, 0xee, 0xfb, 0xbf, 0xf3, 0xb6 0x39, 0x6, 0x33, 0xee, 0xfb, 0xbf, 0xf3, 0xb6
] ]
def packstr(data): def packstr(data):
l = len(data) l = len(data)
t = [] t = []
t.append((l&0xFF00) >> 8) t.append((l & 0xFF00) >> 8)
t.append(l&0xFF) t.append(l & 0xFF)
t.extend([ord(c) for c in data]) t.extend([ord(c) for c in data])
return t return t
def strsum(data): def strsum(data):
s = 0 s = 0
for c in data: for c in data:
s = s*131 + c s = s * 131 + c
return 0x7fffffff & s return 0x7fffffff & s
def echo_ckeyv3(vid, guid='', t=None, player_version='3.2.38.401', platform=10902, stdfrom='bcng'): def echo_ckeyv3(vid, guid='', t=None, player_version='3.2.38.401', platform=10902, stdfrom='bcng'):
data = [] data = []
data.extend(pack([21507, 3168485562])) data.extend(pack([21507, 3168485562]))
@ -108,7 +116,7 @@ def echo_ckeyv3(vid, guid='', t=None, player_version='3.2.38.401', platform=1090
if not t: if not t:
t = time.time() t = time.time()
seconds = int(t) seconds = int(t)
microseconds = int(1000000*(t - int(t))) microseconds = int(1000000 * (t - int(t)))
data.extend(pack([microseconds, seconds])) data.extend(pack([microseconds, seconds]))
data.extend(packstr(stdfrom)) data.extend(packstr(stdfrom))
@ -123,12 +131,12 @@ def echo_ckeyv3(vid, guid='', t=None, player_version='3.2.38.401', platform=1090
data.extend([0x00, 0x00, 0x00, 0x00]) data.extend([0x00, 0x00, 0x00, 0x00])
l = len(data) l = len(data)
data.insert(0, l&0xFF) data.insert(0, l & 0xFF)
data.insert(0, (l&0xFF00) >> 8) data.insert(0, (l & 0xFF00) >> 8)
enc = oi_symmetry_encrypt2(data, KEY) enc = oi_symmetry_encrypt2(data, KEY)
pad = [0x00, 0x00, 0x00, 0x00, 0xff&rand(), 0xff&rand(), 0xff&rand(), 0xff&rand()] pad = [0x00, 0x00, 0x00, 0x00, 0xff & rand(), 0xff & rand(), 0xff & rand(), 0xff & rand()]
pad[0] = pad[4] ^ 71 & 0xFF pad[0] = pad[4] ^ 71 & 0xFF
pad[1] = pad[5] ^ -121 & 0xFF pad[1] = pad[5] ^ -121 & 0xFF
pad[2] = pad[6] ^ -84 & 0xFF pad[2] = pad[6] ^ -84 & 0xFF
@ -176,13 +184,18 @@ class QQ(VideoExtractor):
dict.__init__(self, **kwargs) dict.__init__(self, **kwargs)
self.stream_id = stream_id self.stream_id = stream_id
def _getfilename(self, lnk, stream_id, idx):
return '{lnk}.p{num}.{idx}.mp4'.format(lnk=lnk, num=stream_id % 10 ** 3 if stream_id < 10 ** 4 else stream_id % 10 ** 4, idx=idx)
def _getvkey(self, vid, format, idx): def _getvkey(self, vid, format, idx):
import uuid import uuid
appver = '3.2.38.401' appver = '3.2.38.401'
guid = uuid.uuid4().hex.upper() guid = uuid.uuid4().hex.upper()
platform = 11 platform = 11
cKey = echo_ckeyv3(vid=vid, guid=guid, player_version=appver, platform=platform) cKey = echo_ckeyv3(vid=vid, guid=guid, player_version=appver, platform=platform)
key_api = 'http://vv.video.qq.com/getvkey?vid={vid}&appver={appver}&platform={platform}&otype=json&filename={lnk}.p{format1000}.{idx}.mp4&format={format}&cKey={cKey}&guid={guid}&charge=1&encryptVer=5.4&lnk={vid}'.format(vid=vid, appver=appver, format1000=format%1000, format=format, cKey=cKey, guid=guid, platform=platform, idx=idx, lnk=lnk) key_api = 'http://vv.video.qq.com/getvkey?vid={vid}&appver={appver}&platform={platform}&otype=json&filename={filename}&format={format}&cKey={cKey}&guid={guid}&charge=1&encryptVer=5.4&lnk={vid}'.format(
vid=vid, appver=appver, filename=self._getfilename(lnk, format, idx),
format=format, cKey=cKey, guid=guid, platform=platform, lnk=lnk)
part_info = get_html(key_api) part_info = get_html(key_api)
key_json = json.loads(match1(part_info, r'QZOutputJson=(.*)')[:-1]) key_json = json.loads(match1(part_info, r'QZOutputJson=(.*)')[:-1])
return 'key' in key_json and key_json['key'] return 'key' in key_json and key_json['key']
@ -190,10 +203,10 @@ class QQ(VideoExtractor):
def __getitem__(self, key): def __getitem__(self, key):
if key == 'src' and 'src' not in self: if key == 'src' and 'src' not in self:
self['src'] = [] self['src'] = []
for idx in range(1, vi0['cl']['fc']+1): for idx in range(1, vi0['cl']['fc'] + 1):
vkey = self._getvkey(vid, self.stream_id, idx) vkey = self._getvkey(vid, self.stream_id, idx)
if vkey: if vkey:
url = '{prefix}/{lnk}.p{format1000}.{idx}.mp4?vkey={vkey}'.format(prefix=url_prefix, format1000=self.stream_id%1000, idx=idx, vkey=vkey, lnk=lnk) url = '{prefix}/{filename}?vkey={vkey}'.format(prefix=url_prefix, filename=self._getfilename(lnk=lnk, stream_id=self.stream_id, idx=idx), vkey=vkey)
self['src'].append(url) self['src'].append(url)
return self['src'] return self['src']
else: else:
@ -232,7 +245,7 @@ def qq_download(url, output_dir='.', merge=True, info_only=False, **kwargs):
site.download_by_vid(vid=vid, output_dir=output_dir, merge=merge, info_only=info_only, **kwargs) site.download_by_vid(vid=vid, output_dir=output_dir, merge=merge, info_only=info_only, **kwargs)
return return
#do redirect # do redirect
if 'v.qq.com/page' in url: if 'v.qq.com/page' in url:
# for URLs like this: # for URLs like this:
# http://v.qq.com/page/k/9/7/k0194pwgw97.html # http://v.qq.com/page/k/9/7/k0194pwgw97.html
@ -249,16 +262,18 @@ def qq_download(url, output_dir='.', merge=True, info_only=False, **kwargs):
title = vid title = vid
else: else:
content = get_html(url) content = get_html(url)
vid = parse_qs(urlparse(url).query).get('vid') #for links specified vid like http://v.qq.com/cover/p/ps6mnfqyrfo7es3.html?vid=q0181hpdvo5 vid = parse_qs(urlparse(url).query).get(
vid = vid[0] if vid else match1(content, r'vid"*\s*:\s*"\s*([^"]+)"') #general fallback 'vid') # for links specified vid like http://v.qq.com/cover/p/ps6mnfqyrfo7es3.html?vid=q0181hpdvo5
title = match1(content,r'<a.*?id\s*=\s*"%s".*?title\s*=\s*"(.+?)".*?>'%vid) vid = vid[0] if vid else match1(content, r'vid"*\s*:\s*"\s*([^"]+)"') # general fallback
title = match1(content, r'<a.*?id\s*=\s*"%s".*?title\s*=\s*"(.+?)".*?>' % vid)
title = match1(content, r'title">([^"]+)</p>') if not title else title title = match1(content, r'title">([^"]+)</p>') if not title else title
title = match1(content, r'"title":"([^"]+)"') if not title else title title = match1(content, r'"title":"([^"]+)"') if not title else title
title = vid if not title else title #general fallback title = vid if not title else title # general fallback
site.download_by_vid(vid=vid, output_dir=output_dir, merge=merge, info_only=info_only, **kwargs) site.download_by_vid(vid=vid, output_dir=output_dir, merge=merge, info_only=info_only, **kwargs)
qq_download_by_vid=site.download_by_vid
qq_download_by_vid = site.download_by_vid
site_info = "QQ.com" site_info = "QQ.com"
download = qq_download download = qq_download
download_playlist = playlist_not_supported('qq') download_playlist = playlist_not_supported('qq')