根据歌单下载网易云音乐

根据歌单下载网易云音乐

Netease/Netease.py

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+# -*- coding:utf-8 -*-
+import requests, hashlib, sys, click, re, base64, binascii, json, os
+from Crypto.Cipher import AES
+from http import cookiejar
+
+"""
+Website:http://cuijiahua.com
+Author:Jack Cui
+Refer:https://github.com/darknessomi/musicbox
+"""
+
+class Encrypyed():
+	"""
+	解密算法
+	"""
+	def __init__(self):
+		self.modulus = '00e0b509f6259df8642dbc35662901477df22677ec152b5ff68ace615bb7b725152b3ab17a876aea8a5aa76d2e417629ec4ee341f56135fccf695280104e0312ecbda92557c93870114af6c9d05c4f7f0c3685b7a46bee255932575cce10b424d813cfe4875d3e82047b97ddef52741d546b8e289dc6935b3ece0462db0a22b8e7'
+		self.nonce = '0CoJUm6Qyw8W8jud'
+		self.pub_key = '010001'
+
+	# 登录加密算法, 基于https://github.com/stkevintan/nw_musicbox脚本实现
+	def encrypted_request(self, text):
+		text = json.dumps(text)
+		sec_key = self.create_secret_key(16)
+		enc_text = self.aes_encrypt(self.aes_encrypt(text, self.nonce), sec_key.decode('utf-8'))
+		enc_sec_key = self.rsa_encrpt(sec_key, self.pub_key, self.modulus)
+		data = {'params': enc_text, 'encSecKey': enc_sec_key}
+		return data
+
+	def aes_encrypt(self, text, secKey):
+		pad = 16 - len(text) % 16
+		text = text + chr(pad) * pad
+		encryptor = AES.new(secKey.encode('utf-8'), AES.MODE_CBC, b'0102030405060708')
+		ciphertext = encryptor.encrypt(text.encode('utf-8'))
+		ciphertext = base64.b64encode(ciphertext).decode('utf-8')
+		return ciphertext
+
+	def rsa_encrpt(self, 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 create_secret_key(self, size):
+		return binascii.hexlify(os.urandom(size))[:16]
+
+
+class Song():
+	"""
+	歌曲对象，用于存储歌曲的信息
+	"""
+	def __init__(self, song_id, song_name, song_num, song_url=None):
+		self.song_id = song_id
+		self.song_name = song_name
+		self.song_num = song_num
+		self.song_url = '' if song_url is None else song_url
+
+class Crawler():
+	"""
+	网易云爬取API
+	"""
+	def __init__(self, timeout=60, cookie_path='.'):
+		self.headers = {
+			'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 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36'
+		}
+		self.session = requests.Session()
+		self.session.headers.update(self.headers)
+		self.session.cookies = cookiejar.LWPCookieJar(cookie_path)
+		self.download_session = requests.Session()
+		self.timeout = timeout
+		self.ep = Encrypyed()
+
+	def post_request(self, url, params):
+		"""
+		Post请求
+		:return: 字典
+		"""
+
+		data = self.ep.encrypted_request(params)
+		resp = self.session.post(url, data=data, timeout=self.timeout)
+		result = resp.json()
+		if result['code'] != 200:
+			click.echo('post_request error')
+		else:
+		    return result
+
+	def search(self, search_content, search_type, limit=9):
+		"""
+		搜索API
+		:params search_content: 搜索内容
+		:params search_type: 搜索类型
+		:params limit: 返回结果数量
+		:return: 字典.
+		"""
+
+		url = 'http://music.163.com/weapi/cloudsearch/get/web?csrf_token='
+		params = {'s': search_content, 'type': search_type, 'offset': 0, 'sub': 'false', 'limit': limit}
+		result = self.post_request(url, params)
+		return result
+
+	def search_song(self, song_name, song_num, quiet=True, limit=9):
+		"""
+		根据音乐名搜索
+		:params song_name: 音乐名
+		:params song_num: 下载的歌曲数
+		:params quiet: 自动选择匹配最优结果
+		:params limit: 返回结果数量
+		:return: Song独享
+		"""
+
+		result = self.search(song_name, search_type=1, limit=limit)
+
+		if result['result']['songCount'] <= 0:
+			click.echo('Song {} not existed.'.format(song_name))
+		else:
+			songs = result['result']['songs']
+			if quiet:
+				song_id, song_name = songs[0]['id'], songs[0]['name']
+				song = Song(song_id=song_id, song_name=song_name, song_num=song_num)
+				return song
+
+	def get_song_url(self, song_id, bit_rate=320000):
+		"""
+		获得歌曲的下载地址
+		:params song_id: 音乐ID<int>.
+		:params bit_rate: {'MD 128k': 128000, 'HD 320k': 320000}
+		:return: 歌曲下载地址
+		"""
+
+		url = 'http://music.163.com/weapi/song/enhance/player/url?csrf_token='
+		csrf = ''
+		params = {'ids': [song_id], 'br': bit_rate, 'csrf_token': csrf}
+		result = self.post_request(url, params)
+		# 歌曲下载地址
+		song_url = result['data'][0]['url']
+
+		# 歌曲不存在
+		if song_url is None:
+			click.echo('Song {} is not available due to copyright issue.'.format(song_id))
+		else:
+			return song_url
+
+	def get_song_by_url(self, song_url, song_name, song_num, folder):
+		"""
+		下载歌曲到本地
+		:params song_url: 歌曲下载地址
+		:params song_name: 歌曲名字
+		:params song_num: 下载的歌曲数
+		:params folder: 保存路径
+		"""
+		if not os.path.exists(folder):
+			os.makedirs(folder)
+		fpath = os.path.join(folder, str(song_num) + '_' + song_name + '.mp3')
+		if sys.platform == 'win32' or sys.platform == 'cygwin':
+			valid_name = re.sub(r'[<>:"/\\|?*]', '', song_name)
+			if valid_name != song_name:
+				click.echo('{} will be saved as: {}.mp3'.format(song_name, valid_name))
+				fpath = os.path.join(folder, str(song_num) + '_' + valid_name + '.mp3')
+
+		if not os.path.exists(fpath):
+			resp = self.download_session.get(song_url, timeout=self.timeout, stream=True)
+			length = int(resp.headers.get('content-length'))
+			label = 'Downloading {} {}kb'.format(song_name, int(length/1024))
+
+			with click.progressbar(length=length, label=label) as progressbar:
+				with open(fpath, 'wb') as song_file:
+					for chunk in resp.iter_content(chunk_size=1024):
+						if chunk:
+							song_file.write(chunk)
+							progressbar.update(1024)
+
+
+class Netease():
+	"""
+	网易云音乐下载
+	"""
+	def __init__(self, timeout, folder, quiet, cookie_path):
+		self.crawler = Crawler(timeout, cookie_path)
+		self.folder = '.' if folder is None else folder
+		self.quiet = quiet
+
+	def download_song_by_search(self, song_name, song_num):
+		"""
+		根据歌曲名进行搜索
+		:params song_name: 歌曲名字
+		:params song_num: 下载的歌曲数
+		"""
+
+		try:
+			song = self.crawler.search_song(song_name, song_num, self.quiet)
+		except:
+			click.echo('download_song_by_serach error')
+		# 如果找到了音乐, 则下载
+		if song != None:
+			self.download_song_by_id(song.song_id, song.song_name, song.song_num, self.folder)
+
+	def download_song_by_id(self, song_id, song_name, song_num, folder='.'):
+		"""
+		通过歌曲的ID下载
+		:params song_id: 歌曲ID
+		:params song_name: 歌曲名
+		:params song_num: 下载的歌曲数
+		:params folder: 保存地址
+		"""
+		try:
+			url = self.crawler.get_song_url(song_id)
+			# 去掉非法字符
+			song_name = song_name.replace('/', '')
+			song_name = song_name.replace('.', '')
+			self.crawler.get_song_by_url(url, song_name, song_num, folder)
+
+		except:
+			click.echo('download_song_by_id error')
+
+
+if __name__ == '__main__':
+	timeout = 60
+	output = 'Musics'
+	quiet = True
+	cookie_path = 'Cookie'
+	netease = Netease(timeout, output, quiet, cookie_path)
+	music_list_name = 'music_list.txt'
+	# 如果music列表存在, 那么开始下载
+	if os.path.exists(music_list_name):
+		with open(music_list_name, 'r') as f:
+			music_list = list(map(lambda x: x.strip(), f.readlines()))
+		for song_num, song_name in enumerate(music_list):
+			netease.download_song_by_search(song_name,song_num + 1)
+	else:
+		click.echo('music_list.txt not exist.')