feat: 支持文件上传下载备份 (#10438)

* feat: 支持文件上传下载备份

* perf: 抽离replay和ftpfile存储代码

* perf: FTPLog增加session字段

* fix: 修改变量名

apps/common/storage/base.py

@@ -0,0 +1,65 @@
+import os
+
+import jms_storage
+
+from django.conf import settings
+
+from terminal.models import default_storage, ReplayStorage
+from common.utils import get_logger, make_dirs
+
+
+logger = get_logger(__name__)
+
+
+class BaseStorageHandler(object):
+    NAME = ''
+
+    def __init__(self, obj):
+        self.obj = obj
+
+    def get_file_path(self, **kwargs):
+        # return remote_path, local_path
+        raise NotImplementedError
+
+    def find_local(self):
+        raise NotImplementedError
+
+    def download(self):
+        replay_storages = ReplayStorage.objects.all()
+        configs = {
+            storage.name: storage.config
+            for storage in replay_storages
+            if not storage.type_null_or_server
+        }
+        if settings.SERVER_REPLAY_STORAGE:
+            configs['SERVER_REPLAY_STORAGE'] = settings.SERVER_REPLAY_STORAGE
+        if not configs:
+            msg = f"Not found {self.NAME} file, and not remote storage set"
+            return None, msg
+        storage = jms_storage.get_multi_object_storage(configs)
+
+        remote_path, local_path = self.get_file_path(storage=storage)
+        if not remote_path:
+            msg = f'Not found {self.NAME} file'
+            logger.error(msg)
+            return None, msg
+
+        # 保存到storage的路径
+        target_path = os.path.join(default_storage.base_location, local_path)
+        target_dir = os.path.dirname(target_path)
+        if not os.path.isdir(target_dir):
+            make_dirs(target_dir, exist_ok=True)
+
+        ok, err = storage.download(remote_path, target_path)
+        if not ok:
+            msg = f'Failed download {self.NAME} file: {err}'
+            logger.error(msg)
+            return None, msg
+        url = default_storage.url(local_path)
+        return local_path, url
+
+    def get_file_path_url(self):
+        local_path, url = self.find_local()
+        if local_path is None:
+            local_path, url = self.download()
+        return local_path, url