def __init__(self, key):
self.cipher = WeChatCipher(key)
from wechatpy.crypto.pkcs7 import PKCS7Encoder
from wechatpy.utils import to_text
from wechatpy.replies import EmptyReply
from django.views.decorators.csrf import csrf_exempt
from wechat.models import WechatUser, Message, TextMessage
from twitter_image.models import ImageData
import logging
import base64
from django.core.cache import cache
from django.shortcuts import render, reverse
from wechat import actions
logger = logging.getLogger('wechat')
crypto = WeChatCrypto(settings.WECHAT_TOKEN, settings.WECHAT_AES_KEY,
settings.WECHAT_APPID)
imgs_cipher = WeChatCipher(crypto.key)
def serve_imgs(request, imgs):
if request.method == 'GET':
try:
plain_imgs = imgs_cipher.decrypt(base64.b64decode(imgs))
content = to_text(PKCS7Encoder.decode(plain_imgs))
token = content[:len(settings.WECHAT_TOKEN)]
if token != settings.WECHAT_TOKEN:
raise Exception('Invalid token.')
img_ids = list(
map(int, content[len(settings.WECHAT_TOKEN):].split(',')))
except:
return HttpResponseBadRequest()
paths = ImageData.objects.filter(id__in=img_ids).values_list('image',
