api.py

import os
import re
import json
import hashlib
import base64
import binascii
import logging  
import logging.handlers  
import sys

from Crypto.Cipher import AES
import requests

default_timeout = 10

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

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]

modulus = ('00e0b509f6259df8642dbc35662901477df22677ec152b5ff68ace615bb7'
           'b725152b3ab17a876aea8a5aa76d2e417629ec4ee341f56135fccf695280'
           '104e0312ecbda92557c93870114af6c9d05c4f7f0c3685b7a46bee255932'
           '575cce10b424d813cfe4875d3e82047b97ddef52741d546b8e289dc6935b'
           '3ece0462db0a22b8e7')
nonce = '0CoJUm6Qyw8W8jud'
pubKey = '010001'

class NetEase(object):

    def __init__(self):
        self.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'  # NOQA
        }
        self.cookies = {'appver': '1.5.2','os': 'linux'}
        self.session = requests.Session()

    def songs_detail_new_api(self, music_ids, bit_rate=320000):
        action = 'http://music.163.com/weapi/song/enhance/player/url?csrf_token='
        data = {'ids': music_ids, 'br': bit_rate, 'csrf_token': ''}
        connection = self.session.post(action,
                                       data=encrypted_request(data),
                                       cookies=self.cookies,
                                       headers=self.header)
        return connection.text

details = NetEase().songs_detail_new_api(sys.argv[1].split(','))
#print(details)
details = json.loads(details)
print(details['data'][0]['url'])