苹果账号登录后端验证两种方式 python2

import json
import jwt  
import requests  
import json 
import base64def decode_jwt(jwt_token):try:header,payload,sign = jwt_token.split('.')except:return {},{},""header = json.loads(base64.urlsafe_b64decode(header + '==='))  # 可能需要调整填充payload = json.loads(base64.urlsafe_b64decode(payload + '==='))  # 可能需要调整填充return header,payload,signdef auth_apple_by_token(client_id,client_secret,code):"""使用token方式 """url = "https://appleid.apple.com/auth/token"params = {'client_id':client_id,'client_secret':client_secret,'code':code,'grant_type':"authorization_code",}headers = {'Content-Type': 'application/x-www-form-urlencoded'}r = requests.post(url,data=params,headers=headers)print r.status_codeprint r.json()if r.status_code != 200:returnrjson = r.json()id_token,access_token = rjson['id_token'],rjson['access_token']header,payload,sign = decode_jwt(id_token)def auth_apple_by_keys(id_token):"""使用keys 方式"""    header,payload,sign = decode_jwt(id_token)url = "https://appleid.apple.com/auth/keys"r = requests.get(url)keys = r.json()['keys']n,e = '',''for x in keys:if x['kid'] == header['kid']:n,e = x['n'],x['e']breakif not n:n = keys[0]['n']e = keys[0]['e']n_bytes = base64.urlsafe_b64decode(str(n)+"===")e_bytes = base64.urlsafe_b64decode(str(e)+"===")n,e = 0,0for byte in e_bytes:e = (e << 8) | ord(byte)for byte in n_bytes:n = (n << 8) | ord(byte)from cryptography.hazmat.backends import default_backendfrom cryptography.hazmat.primitives import serialization,hashesfrom cryptography.hazmat.primitives.asymmetric import rsa, padding#构建公钥public_key = rsa.RSAPublicNumbers(e, n).public_key(default_backend())# 如果需要，可以将公钥序列化为PEM格式pem = public_key.public_bytes(serialization.Encoding.PEM,serialization.PublicFormat.SubjectPublicKeyInfo)#print(pem)try:decoded = jwt.decode(id_token, key=pem, algorithms=['RS256'],verify=True,audience=payload['aud'])print 'valid'except Exception as e:print 'invalid'# try:#     public_key.verify(sign,id_token,padding.PKCS1v15(),hashes.SHA256())#     print 'valid'# except Exception as e:#     print 'invalid',etoken = ""auth_apple_by_keys(token)

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