Get comments on netease music songs.

neteasemusic_comment.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-

# forked from http://playbear.github.io/2015/09/30/net-music-comment/

import requests
import json
import os
import base64
from Crypto.Cipher import AES
from pprint import pprint


def aesEncrypt(text, secKey):
    pad = 16 - len(text) % 16
    text = text + pad * chr(pad)
    encryptor = AES.new(secKey, 2, '0102030405060708')
    ciphertext = encryptor.encrypt(text)
    ciphertext = base64.b64encode(ciphertext)
    return ciphertext


def rsaEncrypt(text, pubKey, modulus):
    text = text[::-1]
    rs = int(text.encode('hex'), 16)**int(pubKey, 16) % int(modulus, 16)
    return format(rs, 'x').zfill(256)


def createSecretKey(size):
    return (''.join(map(lambda xx: (hex(ord(xx))[2:]), os.urandom(size))))[0:16]


# text = {
#     'username': '邮箱',
#     'password': '密码',
#     'rememberLogin': 'true'
# }


def GetSongCommentID(songID):
    detailURL = "http://music.163.com/api/song/detail?id=" + str(songID) + "&ids=[" + str(songID) + "]"
    req = requests.get(detailURL)
    return req.json()["songs"][0]["commentThreadId"]

def GetSongComments(songID,offset = 0):
    commentID = GetSongCommentID(songID)
    # in the original one, `text` contains username and password. Actually not required
    text = {}
    modulus = '00e0b509f6259df8642dbc35662901477df22677ec152b5ff68ace615bb7b725152b3ab17a876aea8a5aa76d2e417629ec4ee341f56135fccf695280104e0312ecbda92557c93870114af6c9d05c4f7f0c3685b7a46bee255932575cce10b424d813cfe4875d3e82047b97ddef52741d546b8e289dc6935b3ece0462db0a22b8e7'
    nonce = '0CoJUm6Qyw8W8jud'
    pubKey = '010001'
    text = json.dumps(text)
    secKey = createSecretKey(16)
    encText = aesEncrypt(aesEncrypt(text, nonce), secKey)
    encSecKey = rsaEncrypt(secKey, pubKey, modulus)
    data = {
        'params': encText,
        'encSecKey': encSecKey
    }
    url = 'http://music.163.com/weapi/v1/resource/comments/' + commentID + '/?offset=' + str(offset) + '&csrf_token='
    headers = {
        'Cookie': 'appver=1.5.0.75771;',
        'Referer': 'http://music.163.com/'
    }

    req = requests.post(url, headers=headers, data=data)
    comments = map(lambda d:d["content"],req.json()["comments"])
    return comments

for l in range(0,500,10):
    comments = GetSongComments(26238376,l)
    for x in comments:
        print x.encode("utf-8")
    print len(comments)