#!/usr/bin/env python # -*- coding:utf-8 -*- # project: 3月 # author: liuyu # date: 2020/3/23 from api.models import UserInfo from .aliyunApi import AliYunOss from .qiniuApi import QiNiuOss from .localApi import LocalStorage import json, time, base64 from fir_ser.settings import THIRD_PART_CONFIG, CACHE_KEY_TEMPLATE from django.core.cache import cache class Storage(object): def __init__(self, user): try: self.storage = self.get_storage(user) except Exception as e: self.storage = None def get_upload_token(self, filename, expires=900): if self.storage: return self.storage.get_upload_token(filename, expires) def get_download_url(self, filename, expires=900, key='', force_new=False): if self.storage: now = time.time() down_key = "_".join([key.lower(), CACHE_KEY_TEMPLATE.get('download_url_key'), filename]) download_val = cache.get(down_key) if download_val and not force_new: if download_val.get("time") > now - 60: return download_val.get("download_url") download_url = self.storage.get_download_url(filename, expires, force_new=True) cache.set(down_key, {"download_url": download_url, "time": now + expires}, expires) return download_url def delete_file(self, filename, apptype=None): if self.storage: if apptype is not None: if apptype == 0: filename = filename + '.apk' else: filename = filename + '.ipa' return self.storage.del_file(filename) def rename_file(self, oldfilename, newfilename): if self.storage: return self.storage.rename_file(oldfilename, newfilename) def get_storage(self, user): self.storage_obj = user.storage if self.storage_obj: auth = self.get_storage_auth(self.storage_obj) storage_key = "_".join([CACHE_KEY_TEMPLATE.get('user_storage_key'), user.uid, base64.b64encode(json.dumps(auth).encode("utf-8")).decode("utf-8")[0:64]]) storage_type = self.storage_obj.storage_type new_storage_obj = cache.get(storage_key) if new_storage_obj: return new_storage_obj else: if storage_type == 1: new_storage_obj = QiNiuOss(**auth) elif storage_type == 2: new_storage_obj = AliYunOss(**auth) else: new_storage_obj = LocalStorage(**auth) new_storage_obj.storage_type = storage_type cache.set(storage_key, new_storage_obj, 600) return new_storage_obj else: return self.get_default_storage(user) def get_default_storage(self, user): admin_obj = UserInfo.objects.filter(is_superuser=True).order_by('pk').first() if admin_obj and admin_obj.storage: return self.get_storage(admin_obj) else: storage_lists = THIRD_PART_CONFIG.get('storage') for storage in storage_lists: if storage.get("active", None): storage_type = storage.get('type', None) auth = storage.get('auth', {}) storage_key = "_".join([CACHE_KEY_TEMPLATE.get('user_storage_key'), user.uid, base64.b64encode(json.dumps(auth).encode("utf-8")).decode("utf-8")[0:64]]) new_storage_obj = cache.get(storage_key) if new_storage_obj: return new_storage_obj else: if storage_type == 1: new_storage_obj = QiNiuOss(**auth) new_storage_obj.storage_type = 1 elif storage_type == 2: new_storage_obj = AliYunOss(**auth) new_storage_obj.storage_type = 2 else: new_storage_obj = LocalStorage(**auth) new_storage_obj.storage_type = 3 cache.set(storage_key, new_storage_obj, 600) return new_storage_obj return None def get_storage_type(self): if self.storage: return self.storage.storage_type def get_storage_auth(self, storage_obj): auth_dict = { 'access_key': storage_obj.access_key, 'secret_key': storage_obj.secret_key, 'bucket_name': storage_obj.bucket_name, 'domain_name': storage_obj.domain_name, 'is_https': storage_obj.is_https } try: additionalparameters = json.loads(storage_obj.additionalparameters) except Exception as e: print(e) additionalparameters = {} return {**auth_dict, **additionalparameters}