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_my_youtube_dl_extractor.py
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_my_youtube_dl_extractor.py
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# coding: utf-8
from __future__ import unicode_literals
import re
import urllib.parse
import json, time, html, hashlib, traceback
from .common import InfoExtractor
# 该插件为 youtube-dl 的补充插件，包含 yy 回放视频下载方式，斗鱼show视频下载方式
# yy视频历史视频下载，适合如下连接格式
# eg. https://www.yy.com/x/15012_2464989902_22490906_1585798203199
# 虎牙视频下载，适合如下格式连接
# eg. https://v.huya.com/play/216591840.html
# 斗鱼show视频下载，适合如下连接格式
# eg. https://v.douyu.com/show/a4Jj7l23PrBWDk01
# 一直播视频下载，适用于如下连接格式（该处网站视频似乎都有点大，七八个小时的直播视频都放一个m3u8地址，属实抽象）
# eg. http://www.yizhibo.com/l/2SEFmIKoZzT1mruj.html
# 新华网视频下载插件，适用于如下连接格式
# eg. http://vod.xinhuanet.com/v/vod.html?vid=536626
# 新华网视频下载插件，适用于如下连接格式
# eg. http://www.xinhuanet.com/video/2018-08/28/c_129941452.htm
# 使用前须知，
# 1 将该脚本命名为 _my_extractor.py 并放在 youtube_dl/extractor 文件夹下
# 2 请找到 youtube_dl/extractor 文件夹下的 extractors.py 文件
# 并在最后添加一行内容 from ._my_extractor import YYRecordIE, DouyuShowIE, HuyaIE, XinHuaNetIE, XinHuaNet2IE, YiZhiBoIE
# yy视频历史视频下载，适合如下连接格式
# eg. https://www.yy.com/x/15012_1101280606_54880976_1595811603845
class YYRecordIE(InfoExtractor):
IE_NAME = 'YYRecordIE'
IE_DESC = 'YYRecordIE video downloader.'
_VALID_URL = r'https://www\.yy\.com/x/([^/+])'
def _real_extract(self, url):
def get_real_url_by_simple_url(self, url):
uid = re.findall(self._VALID_URL, url)[0]
page = self._download_webpage(url, uid)
m3u8 = re.findall(r'video: *"(http://record\.vod\.huanjuyun\.com/xcrs/[^\.]+\.m3u8)"', page)[0]
return uid, m3u8
uid, url = get_real_url_by_simple_url(self, url)
# 对于 youtube-dl 工具而言，该函数返回的参数是一个字典，至少要包括 id，title，url 这三个key的字典。
if url:
return {
'id': uid,
'title': uid,
'url': url,
'ext': 'mp4',
}
else:
print(traceback.format_exc())
# 虎牙视频下载，适合如下格式连接
# eg. https://v.huya.com/play/216591840.html
class HuyaIE(InfoExtractor):
IE_NAME = 'HuyaIE'
IE_DESC = 'HuyaIE video downloader.'
_VALID_URL = r'https://v\.huya\.com/play/(\d+)\.html'
def _real_extract(self, url):
def mk_url_headers(videoId):
url = (
'https://liveapi.huya.com/moment/getMomentContent'
'?callback=jQuery1124005428239881979824_1585902134610'
'&videoId={}'
'&uid='
'&_=1585902134630'
).format(videoId)
headers = {
"accept-encoding": "gzip, deflate", # auto delete br encoding. cos requests and scrapy can not decode it.
"accept-language": "zh-CN,zh;q=0.9",
"accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8",
"user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.75 Safari/537.36"
}
return url,headers
uid = re.findall(self._VALID_URL, url)[0]
url, headers = mk_url_headers(uid)
page = self._download_webpage(url, uid, headers=headers)
jsondata = json.loads(page[page.find('{'):page.rfind('}')+1])
url = None
definitions = jsondata['data']['moment']['videoInfo']['definitions']
for d in definitions:
if d.get('defName') == '原画':
url = d.get('url') or d.get('m3u8')
if not url:
for d in definitions:
url = d.get('url') or d.get('m3u8')
if url:
break
# 对于 youtube-dl 工具而言，该函数返回的参数是一个字典，至少要包括 id，title，url 这三个key的字典。
if url:
return {
'id': uid,
'title': uid,
'url': url,
'ext': 'mp4',
}
else:
print(traceback.format_exc())
# 斗鱼show视频下载，适合如下连接格式
# eg. https://v.douyu.com/show/a4Jj7l23PrBWDk01
class DouyuShowIE(InfoExtractor):
IE_NAME = 'DouyuIE'
IE_DESC = 'DouyuIE video downloader.'
_VALID_URL = r'https://v\.douyu\.com/show/([a-zA-Z0-9]+)'
def _real_extract(self, url):
def mk_url_headers(url):
headers = {
"accept-encoding": "gzip, deflate", # auto delete br encoding. cos requests and scrapy can not decode it.
"accept-language": "zh-CN,zh;q=0.9",
"accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8",
"user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.75 Safari/537.36"
}
return url,headers
def mk_url_headers_body(referer, pbody):
url = (
'https://v.douyu.com/api/stream/getStreamUrl'
)
headers = {
"accept": "application/json, text/javascript, */*; q=0.01",
"accept-encoding": "gzip, deflate, ", # auto delete br encoding. cos requests and scrapy can not decode it.
"accept-language": "zh-CN,zh;q=0.9",
"cache-control": "no-cache",
"content-type": "application/x-www-form-urlencoded; charset=UTF-8",
"cookie": (
"acf_did=dbbbd666b6681de09151847100001501; "
"dy_did=dbbbd666b6681de09151847100001501; "
"Hm_lvt_e99aee90ec1b2106afe7ec3b199020a7=1589354641,1589354653"
),
"origin": "https://v.douyu.com",
"pragma": "no-cache",
"referer": referer,
"sec-fetch-dest": "empty",
"sec-fetch-mode": "cors",
"sec-fetch-site": "same-origin",
"user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.106 Safari/537.36",
"x-requested-with": "XMLHttpRequest"
}
return url,headers,pbody
uid = re.findall(self._VALID_URL, url)[0]
url, headers = mk_url_headers(url)
page = self._download_webpage(url, uid, headers=headers)
pbody = self.get_m3u8_pbody(html.unescape(page))
url, headers, body = mk_url_headers_body(url, pbody)
page = self._download_webpage(url, uid, headers=headers, data=urllib.parse.urlencode(body).encode())
jsondata = json.loads(page)
thumb_video = jsondata['data']['thumb_video']
if 'normal' in thumb_video:
url = thumb_video['normal']['url'] # 优先 normal 类型视频
else:
for key in thumb_video:
url = thumb_video[key]['url'] # 否则按照字典顺序随便拿一条就好了，懒得想什么优先级
break
# 对于 youtube-dl 工具而言，该函数返回的参数是一个字典，至少要包括 id，title，url 这三个key的字典。
if url:
return {
'id': uid,
'title': uid,
'url': url,
'ext': 'mp4',
}
else:
print(traceback.format_exc())
@staticmethod
def get_m3u8_pbody(script):
def _rot(num, rnum, side):
bnum = bin(((1 << 32) - 1) & num)[2:]
s = [None] * 32
for idx, i in enumerate('{:>032s}'.format(bnum[-32:])):
s[idx] = '0' if i == '0' else '1'
if side == 'left':
s.extend(['0'] * rnum)
s = s[-32:]
elif side == 'right':
s = ['0'] * rnum + s
s = s[:32]
if s[0] == '1':
for i in range(1,32):
s[i] = '1' if s[i] == '0' else '0'
v = -int(''.join(s[1:]), 2)-1
else:
v = int(''.join(s),2)
return v
def limitint(num):
bnum = bin(((1 << 32) - 1) & num)[2:]
s = [None] * 32
for idx, i in enumerate('{:>032s}'.format(bnum[-32:])):
s[idx] = '0' if i == '0' else '1'
if s[0] == '1':
for i in range(1,32):
s[i] = '1' if s[i] == '0' else '0'
v = -int(''.join(s[1:]), 2)-1
else:
v = int(''.join(s),2)
return v
def rotleft(num, rnum):
return _rot(num, rnum, 'left')
def rotright(num, rnum):
return _rot(num, rnum, 'right')
def get_hide_funcstring(s):
rk = list(map(int, re.findall(r'var rk=\[((?:\d+,)*(?:\d+))\]', s)[0].split(',')))
k2 = list(map(lambda x:int(x, 16), re.findall(r'var k2=\[((?:0x[0-9a-z]+,)*(?:0x[0-9a-z]+))\]', s)[0].split(',')))
v = list(map(lambda x:int(x, 16), re.findall(r'\[((?:0x[0-9a-z]+,)*(?:0x[0-9a-z]+))\]', s)[0].split(',')))
lk = list(map(lambda x:int(x, 16), re.findall(r'var lk=\[((?:0x[0-9a-z]+,)*(?:0x[0-9a-z]+))\]', s)[0].split(',')))
k = list(map(lambda x:int(x, 16), re.findall(r'var k=\[((?:0x[0-9a-z]+,)*(?:0x[0-9a-z]+))\]', s)[0].split(',')))
temp1 = int(re.findall(r'v\[O\]\^=(0x[a-z0-9]+)', s)[0], 16)
flist = re.findall(r'v\[(\d+)\]([+-\^]?)=([^;]+);', s)[:-1]
temp2 = int(re.findall(r'v\[0\]\^=(0x[a-z0-9]+)', s)[0], 16)
for i in range(len(v)):
v[i] ^= temp1
def parse2(f, v, lk):
a,b = f.split('|')
if '<' in a: (x,y),p1 = a.split('<<'), '<'
if '>' in a: (x,y),p1 = a.split('>>>'), '>'
if '<' in b: (m,n),p2 = b.split('<<'), '<'
if '>' in b: (m,n),p2 = b.split('>>>'), '>'
x = v[int(re.findall(r'v\[(\d+)\]', x)[0])]
m = v[int(re.findall(r'v\[(\d+)\]', m)[0])]
y = lk[int(re.findall(r'lk\[(\d+)\]', y)[0])] % 16
n = 32 - lk[int(re.findall(r'lk\[(\d+)\]', n)[0])] % 16
if p1 == '<': r1 = rotleft(x, y)
if p1 == '>': r1 = rotright(x, y)
if p2 == '<': r2 = rotleft(m, n)
if p2 == '>': r2 = rotright(m, n)
return r1 | r2
for i,m,f in flist[:-1]:
if f.count('v') == 0:
r = lk[int(re.findall(r'lk\[(\d+)\]', f)[0])]
else:
r = parse2(f, v, lk)
if m == '-': v[int(i)] -= r
if m == '+': v[int(i)] += r
if m == '^': v[int(i)] ^= r
if m == '': v[int(i)] = r
I = 0
while (I < len(v)):
v0 = v[I] ^ k2[0]
v1 = v[I + 1] ^ k2[1]
d = 0x9E3779B9
sum = d * rk[I // 2]
for i in range(rk[I // 2]):
v1 -= limitint(limitint(rotleft(v0, 4) ^ rotright(v0, 5)) + v0) ^ limitint(sum + k[(sum >> 11) & 3]);
sum -= d;
sum = limitint(sum)
v0 -= limitint(limitint(rotleft(v1, 4) ^ rotright(v1, 5)) + v1) ^ limitint(sum + k[sum & 3]);
v[I] = v0 ^ k2[1]
v[I + 1] = v1 ^ k2[0]
I += 2
O = len(v) - 1
while (O > 0):
v[O] ^= v[O - 1]
O -= 1
v[0] ^= temp2
r = []
for i in range(len(v)):
a,b,c,d = v[i] & 0xff, v[i] >> 8 & 0xff, v[i] >> 16 & 0xff, v[i] >> 24 & 0xff
r.extend([a,b,c,d])
return bytes(r).decode(errors='ignore')
def get_sign(point_id, ltime, fixed_value, timestamp, hide_funcstring):
k2 = list(map(lambda x:int(x, 16), re.findall(r'var k2=\[((?:0x[0-9a-z]+,)*(?:0x[0-9a-z]+))\]', hide_funcstring)[0].split(',')))
flist = re.findall(r're\[(\d+)\]([+-\^]?)=([^;]+);', hide_funcstring)
cb = str(point_id) + str(fixed_value) + str(timestamp) + ltime
rb = hashlib.md5(cb.encode()).hexdigest()
_re = [None] * 4
for i in range(4):
a = (int(rb[i*8+0:i*8+2], 16) & 0xff)
b = (rotleft(int(rb[i*8+2:i*8+4], 16), 8) & 0xff00)
c = rotright(rotleft(int(rb[i*8+4:i*8+6], 16), 24), 8)
d = rotleft(int(rb[i*8+6:i*8+8], 16), 24)
_re[i] = a | b | c | d
for I in range(2):
v0 = _re[I * 2]
v1 = _re[I * 2 + 1]
sum = 0
i = 0
delta = 0x9e3779b9
for i in range(32):
sum += delta
sum = limitint(sum)
v0 += limitint(limitint(rotleft(v1, 4) + k2[0]) ^ limitint(v1 + sum) ^ limitint(rotright(v1, 5) + k2[1]))
v1 += limitint(limitint(rotleft(v0, 4) + k2[2]) ^ limitint(v0 + sum) ^ limitint(rotright(v0, 5) + k2[3]))
_re[I * 2] = v0
_re[I * 2 + 1] = v1
def parse2(f, v, lk):
a,b = f.split('|')
if '<' in a: (x,y),p1 = a.split('<<'), '<'
if '>' in a: (x,y),p1 = a.split('>>>'), '>'
if '<' in b: (m,n),p2 = b.split('<<'), '<'
if '>' in b: (m,n),p2 = b.split('>>>'), '>'
x = v[int(re.findall(r're\[(\d+)\]', x)[0])]
m = v[int(re.findall(r're\[(\d+)\]', m)[0])]
y = lk[int(re.findall(r'k2\[(\d+)\]', y)[0])] % 16
n = 32 - lk[int(re.findall(r'k2\[(\d+)\]', n)[0])] % 16
if p1 == '<': r1 = rotleft(x, y)
if p1 == '>': r1 = rotright(x, y)
if p2 == '<': r2 = rotleft(m, n)
if p2 == '>': r2 = rotright(m, n)
return r1 | r2
for i,m,f in flist:
# print(f)
if f.count('re') == 0:
r = k2[int(re.findall(r'k2\[(\d+)\]', f)[0])]
else:
r = parse2(f, _re, k2)
if m == '-': _re[int(i)] -= r
if m == '+': _re[int(i)] += r
if m == '^': _re[int(i)] ^= r
if m == '': _re[int(i)] = r
hc = list('0123456789abcdef')
for i in range(4):
s = ''
for j in range(4):
s += hc[(_re[i] >> (j * 8 + 4)) & 15] + hc[(_re[i] >> (j * 8)) & 15]
_re[i] = s
return ''.join(_re)
point_id = re.findall(r'"point_id":(\d+)', script)[0]
ltime = re.findall(r'var vdwdae325w_64we = "(\d+)";', script)[0]
timestamp = int(time.time())
vid = re.findall(r'"vid":"([^"]+)"', script)[0]
sign = get_sign(point_id, ltime, 'dbbbd666b6681de09151847100001501', timestamp, get_hide_funcstring(script))
d = {}
d['v'] = ltime
d['did'] = 'dbbbd666b6681de09151847100001501'
d['tt'] = timestamp
d['sign'] = sign
d['vid'] = vid
return d
# 一直播视频下载，适用于如下连接格式（该处网站视频似乎都有点大，七八个小时的直播视频都放一个m3u8地址，确实有点抽象）
# eg. http://www.yizhibo.com/l/2SEFmIKoZzT1mruj.html
class YiZhiBoIE(InfoExtractor):
IE_NAME = 'YiZhiBoIE'
IE_DESC = 'YiZhiBoIE video downloader.'
_VALID_URL = r'http://www\.yizhibo\.com/l/([^/\?]+)\.html'
def _real_extract(self, url):
uid = re.findall(self._VALID_URL, url)[0]
page = self._download_webpage(url, uid)
url = re.findall(r'play_url:"([^"]+\.m3u8)"', page)[0]
page = self._download_webpage(url, uid)
number = len(re.findall('#EXTINF:', page))
print('需要下载 {} 片数据'.format(number))
# 如果下载片过大，请酌情在这里进行限制调整
# 对于 youtube-dl 工具而言，该函数返回的参数是一个字典，至少要包括 id，title，url 这三个key的字典。
if url:
return {
'id': uid,
'title': uid,
'url': url,
'ext': 'mp4',
}
else:
print(traceback.format_exc())
# 新华网视频下载插件，适用于如下连接格式
# eg. http://vod.xinhuanet.com/v/vod.html?vid=536626
class XinHuaNetIE(InfoExtractor):
IE_NAME = 'xinhuanet'
IE_DESC = 'xinhuanet video downloader.'
_VALID_URL = r'http://vod\.xinhuanet\.com/v/vod\.html\?vid=\d+'
def _real_extract(self, url):
def get_real_url_by_simple_url(self, url):
def _mk_gcid_url(url):
u = 'http://vod.xinhuanet.com/vod_video_js/%d/%d.js'
v = int(url.rsplit('=')[1])
uid = str(v)
v = u % (int(v/1000),v)
# 混肴后的js源代码里面的函数方法：
# 源代码："http://vod.xinhuanet.com/vod_video_js/"+Math.floor(parseInt(a)/1E3)+"/"+a+".js";
# 源代码里面的 a 代表了该视频页的数字vid。 通过这个地址进一步获取 gcid 信息后续再继续处理。
return v,uid
gurl, uid = _mk_gcid_url(url)
page = self._download_webpage(gurl, uid)
gcid = re.findall(r"subdata:\[\{lurl:'http://:8080/0/([^/]{40})'\}\]",page)
if gcid: gcid = gcid[0].upper()
else: return 'gcid failed,'+gurl,None
# 通过 gcid 拼接下面的地址可以获取到一些类似js脚本的HTML文本，里面有真实的视频url地址信息
url = 'http://p2s.xinhuanet.com/getCdnresource_flv?gcid=' + gcid
page = self._download_webpage(url, uid)
vurl = re.findall('{ip:"([^"]+)",port:(\d+),path:"([^"]+)"}',page)
if vurl: vurl = vurl[0]
else: return 'get realurl failed,'+url,None
def _get_real_url(vurl):
# 对通过 gcid 获取的文本找到的信息拼接视频真实 url.
# vurl 数据样例： ('vodfile12.news.cn', '8080', '/data/cdn_transfer/5C/FB/5cf3d08723ca6a481eb81a572505af7dcca381fb.mp4')
# 这里没有使用port参数原因是测试得出的结论（8080端口无法使用，用默认80端口就能获取视频，所以不需要使用该port）
url = 'http://' + vurl[0] + '/' + vurl[2]
return url
return uid, _get_real_url(vurl)
uid, url = get_real_url_by_simple_url(self, url)
# 对于 youtube-dl 工具而言，该函数返回的参数是一个字典，至少要包括 id，title，url 这三个key的字典。工具会通过这个视频真实url进行下载。
# 另外，通过给与的url: http://.../vod.html?vid=532276 这个视频地址无法获取更多视频详细信息，甚至连标题信息都没有
# 所以我把 title和 id都赋值为uid了，下载文件的名字默认为 "%s-%s" % (id, title)
if url:
return {
'id': uid,
'title': uid,
'url': url,
}
else:
# 如果获取真实url失败，则我写的代码里，uid里面回传了简单的错误信息
# 主要可能是视频不存在了，如果有其他异常可能是正则匹配问题，会打印一下问题出现的地址
print(traceback.format_exc())
# 新华网视频下载插件，适用于如下连接格式
# eg. http://www.xinhuanet.com/video/2018-08/28/c_129941452.htm
class XinHuaNet2IE(InfoExtractor):
IE_NAME = 'xinhuanet'
IE_DESC = 'xinhuanet video downloader.'
_VALID_URL = r'https?://www\.xinhuanet\.com/video/[^/]+/[^/]+/(?P<id>[^\.]+)\.htm'
def _real_extract(self, url):
# 原本计划是从该新闻页面找到嵌套在里面的视频页，然后通过视频页解析方法进一步获取真实地址的
# 结果发现该页面上直接包含了真实的视频url地址，这设计很真实。真实~ 实在是太真实了~，连跳板都省了。
m = re.match(self._VALID_URL, url)
uid = m.group('id')
page = self._download_webpage(url,uid)
r_uid = re.findall('http://vod\.xinhuanet\.com/v/vod\.html\?vid=(\d+)',page)
r_url = re.findall('(?:vodfile)[^<]+(?:mp4)',page)
if r_uid and r_url:
uid,url = r_uid[0],'http://' + r_url[0]
return {
'id': uid,
'title': uid,
'url': url,
}
else:
print(traceback.format_exc())