test_get_song_url.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-
import requests
import json
import os
import base64
from Crypto.Cipher import AES
from pprint import pprint
import binascii
import hashlib
from http.cookiejar import LWPCookieJar

modulus = ('00e0b509f6259df8642dbc35662901477df22677ec152b5ff68ace615bb7'
           'b725152b3ab17a876aea8a5aa76d2e417629ec4ee341f56135fccf695280'
           '104e0312ecbda92557c93870114af6c9d05c4f7f0c3685b7a46bee255932'
           '575cce10b424d813cfe4875d3e82047b97ddef52741d546b8e289dc6935b'
           '3ece0462db0a22b8e7')
nonce = '0CoJUm6Qyw8W8jud'
pubKey = '010001'
def aesEncrypt(text, secKey):
    pad = 16 - len(text) % 16
    text = text + chr(pad) * pad
    encryptor = AES.new(secKey, 2, '0102030405060708')
    ciphertext = encryptor.encrypt(text)
    ciphertext = base64.b64encode(ciphertext).decode('utf-8')
    return ciphertext

def rsaEncrypt(text, pubKey, modulus):
    text = text[::-1]
    rs = pow(int(binascii.hexlify(text), 16), int(pubKey, 16), int(modulus, 16))
    return format(rs, 'x').zfill(256)

def createSecretKey(size):
    return binascii.hexlify(os.urandom(size))[:16]

# 歌曲加密算法, 基于https://github.com/yanunon/NeteaseCloudMusic脚本实现
def encrypted_id(id):
    magic = bytearray('3go8&$8*3*3h0k(2)2', 'u8')
    song_id = bytearray(id, 'u8')
    magic_len = len(magic)
    for i, sid in enumerate(song_id):
        song_id[i] = sid ^ magic[i % magic_len]
    m = hashlib.md5(song_id)
    result = m.digest()
    result = base64.b64encode(result)
    result = result.replace(b'/', b'_')
    result = result.replace(b'+', b'-')
    return result.decode('utf-8')

# 登录加密算法, 基于https://github.com/stkevintan/nw_musicbox脚本实现
def encrypted_request(text):
    text = json.dumps(text)
    secKey = createSecretKey(16)
    encText = aesEncrypt(aesEncrypt(text, nonce), secKey)
    encSecKey = rsaEncrypt(secKey, pubKey, modulus)
    data = {'params': encText, 'encSecKey': encSecKey}
    return data
action='http://music.163.com/weapi/song/enhance/player/url?csrf_token='
header = {
            'Accept': '*/*',
            'Accept-Encoding': 'gzip,deflate,sdch',
            'Accept-Language': 'zh-CN,zh;q=0.8,gl;q=0.6,zh-TW;q=0.4',
            'Connection': 'keep-alive',
            'Content-Type': 'application/x-www-form-urlencoded',
            'Host': 'music.163.com',
            'Referer': 'http://music.163.com/search/',
            'User-Agent':'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_9_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/33.0.1750.152 Safari/537.36',
}

text={
    "ids":"[414980579]",
    "br":128000,
    "csrf_token":""
}
data = encrypted_request(text)
session = requests.Session()
tmp1=session.post(action,data=data,headers=header,timeout=2)
tmp1.encoding = 'UTF-8'
pprint(json.loads(tmp1.text))