add:支持使用阿里云OSS进行对象存储服务

fix:删除utils中未使用的第三方库chardet

main.py

@@ -127,7 +127,8 @@ async def index(code: str, ip: str = Depends(error_ip_limit), s: AsyncSession =
     await s.execute(update(Codes).where(Codes.id == info.id).values(count=info.count - 1))
     await s.commit()
     if info.type != 'text':
-        info.text = f'/select?code={code}'
+        if settings.STORAGE_ENGINE == 'filesystem':
+            info.text = f'/select?code={code}'
     return {
         'detail': f'取件成功，文件将在{settings.DELETE_EXPIRE_FILES_INTERVAL}分钟后删除',
         'data': {'type': info.type, 'text': info.text, 'name': info.name, 'code': info.code}
@@ -175,8 +176,11 @@ async def get_file(code: str, ip: str = Depends(error_ip_limit), s: AsyncSession
         return {'detail': '查询成功', 'data': info.text}
     # 如果是文件，返回文件
     else:
-        filepath = await storage.get_filepath(info.text)
-        return FileResponse(filepath, filename=info.name)
+        if settings.STORAGE_ENGINE == 'filesystem':
+            filepath = await storage.get_filepath(info.text)
+            return FileResponse(filepath, filename=info.name)
+        else:
+            return {'detail': '查询成功', 'data': info.text}
 
 
 @app.post('/share', dependencies=[Depends(admin_required)], description='分享文件')
@@ -206,6 +210,8 @@ async def share(background_tasks: BackgroundTasks, text: str = Form(default=None
         background_tasks.add_task(storage.save_file, file, _text)
     else:
         size, _text, _type, name = len(text), text, 'text', '文本分享'
+    if settings.STORAGE_ENGINE == 'aliyunsystem':
+        _text = f"https://{settings.BUCKET_NAME}.{settings.OSS_ENDPOINT}/"+_text
     info = Codes(code=code, text=_text, size=size, type=_type, name=name, count=exp_count, exp_time=exp_time, key=key)
     s.add(info)
     await s.commit()