.gitignore

@@ -156,4 +156,7 @@ data/.env
 /cloc-1.64.exe
 
 # Ignore node_modules
-node_modules/
+node_modules/
+
+
+AGENTS.md

apps/admin/services.py

@@ -123,10 +123,14 @@ class LocalFileClass:
     def __init__(self, file):
         self.file = file
         self.path = data_root / "local" / file
-        self.ctime = time.strftime(
-            "%Y-%m-%d %H:%M:%S", time.localtime(os.path.getctime(self.path))
-        )
-        self.size = os.path.getsize(self.path)
+        if os.path.exists(self.path):
+            self.ctime = time.strftime(
+                "%Y-%m-%d %H:%M:%S", time.localtime(os.path.getctime(self.path))
+            )
+            self.size = os.path.getsize(self.path)
+        else:
+            self.ctime = None
+            self.size = None
 
     async def read(self):
         return open(self.path, "rb")

apps/base/utils.py

@@ -109,6 +109,6 @@ async def calculate_file_hash(file: UploadFile, chunk_size=1024 * 1024) -> str:
 
 
 ip_limit = {
-    "error": IPRateLimit(count=settings.uploadCount, minutes=settings.errorMinute),
-    "upload": IPRateLimit(count=settings.errorCount, minutes=settings.errorMinute),
+    "error": IPRateLimit(count=settings.errorCount, minutes=settings.errorMinute),
+    "upload": IPRateLimit(count=settings.uploadCount, minutes=settings.uploadMinute),
 }

apps/base/views.py

@@ -16,12 +16,19 @@ from core.utils import get_select_token
 share_api = APIRouter(prefix="/share", tags=["分享"])
 
 
-async def validate_file_size(file: UploadFile, max_size: int):
-    if file.size > max_size:
+async def validate_file_size(file: UploadFile, max_size: int) -> int:
+    size = file.size
+    if size is None:
+        # 读取流计算大小，保持指针复位
+        await file.seek(0, 2)
+        size = file.file.tell()
+        await file.seek(0)
+    if size > max_size:
         max_size_mb = max_size / (1024 * 1024)
         raise HTTPException(
             status_code=403, detail=f"大小超过限制,最大为{max_size_mb:.2f} MB"
         )
+    return size
 
 
 async def create_file_code(code, **kwargs):
@@ -63,7 +70,7 @@ async def share_file(
         file: UploadFile = File(...),
         ip: str = Depends(ip_limit["upload"]),
 ):
-    await validate_file_size(file, settings.uploadSize)
+    file_size = await validate_file_size(file, settings.uploadSize)
     if expire_style not in settings.expireStyle:
         raise HTTPException(status_code=400, detail="过期时间类型错误")
     expired_at, expired_count, used_count, code = await get_expire_info(expire_value, expire_style)
@@ -76,7 +83,7 @@ async def share_file(
         suffix=suffix,
         uuid_file_name=uuid_file_name,
         file_path=path,
-        size=file.size,
+        size=file_size,
         expired_at=expired_at,
         expired_count=expired_count,
         used_count=used_count,
@@ -141,6 +148,7 @@ async def download_file(key: str, code: str, ip: str = Depends(ip_limit["error"]
     file_storage: FileStorageInterface = storages[settings.file_storage]()
     if await get_select_token(code) != key:
         ip_limit["error"].add_ip(ip)
+        raise HTTPException(status_code=403, detail="下载鉴权失败")
     has, file_code = await get_code_file_by_code(code, False)
     if not has:
         return APIResponse(code=404, detail="文件不存在")

core/storage.py

@@ -27,14 +27,6 @@ from fastapi.responses import FileResponse
 
 
 class FileStorageInterface:
-    _instance: Optional["FileStorageInterface"] = None
-
-    def __new__(cls, *args, **kwargs):
-        if cls._instance is None:
-            cls._instance = super(FileStorageInterface, cls).__new__(
-                cls, *args, **kwargs
-            )
-        return cls._instance
 
     async def save_file(self, file: UploadFile, save_path: str):
         """
@@ -191,7 +183,10 @@ class SystemFileStorage(FileStorageInterface):
         """
         chunk_dir = (self.root_path / save_path).parent / 'chunks'
         if chunk_dir.exists():
-            shutil.rmtree(chunk_dir)
+            try:
+                shutil.rmtree(chunk_dir)
+            except Exception as e:
+                logger.info(f"清理本地分片目录失败: {e}")
 
 
 class S3FileStorage(FileStorageInterface):

core/tasks.py

@@ -30,8 +30,14 @@ async def delete_expire_files():
                 Q(expired_at__lt=await get_now()) | Q(expired_count=0)
             ).all()
             for exp in expire_data:
-                await file_storage.delete_file(exp)
-                await exp.delete()
+                try:
+                    await file_storage.delete_file(exp)
+                except Exception as e:
+                    logging.error(f"删除过期文件失败 code={exp.code}: {e}")
+                try:
+                    await exp.delete()
+                except Exception as e:
+                    logging.error(f"删除记录失败 code={exp.code}: {e}")
         except Exception as e:
             logging.error(e)
         finally:

core/utils.py

@@ -46,9 +46,7 @@ async def get_select_token(code: str):
     :return:
     """
     token = settings.admin_token
-    return hashlib.sha256(
-        f"{code}{int(time.time() / 1000)}000{token}".encode()
-    ).hexdigest()
+    return hashlib.sha256(f"{code}{int(time.time() / 1000)}000{token}".encode()).hexdigest()
 
 
 async def get_file_url(code: str):