import os import datetime from pathlib import Path from typing import Dict def save_face_to_up_images( client_ip: str, face_name: str, image_bytes: bytes, image_format: str = "jpg" ) -> Dict[str, str]: """ 保存人脸图片到 `/up_images/用户IP/人脸名字/` 路径 修复路径计算错误,确保所有路径在up_images根目录下 参数: client_ip: 客户端IP(原始格式,如192.168.1.101) face_name: 人脸名称(用户输入,可为空) image_bytes: 人脸图片二进制数据 image_format: 图片格式(默认jpg) 返回: 字典:success(是否成功)、db_path(存数据库的相对路径)、local_abs_path(本地绝对路径)、msg(提示) """ try: # 1. 基础参数校验 if not client_ip.strip(): return {"success": False, "db_path": "", "local_abs_path": "", "msg": "客户端IP不能为空"} if not image_bytes: return {"success": False, "db_path": "", "local_abs_path": "", "msg": "图片二进制数据为空"} if image_format.lower() not in ["jpg", "jpeg", "png"]: return {"success": False, "db_path": "", "local_abs_path": "", "msg": "仅支持jpg/jpeg/png格式"} # 2. 处理特殊字符(避免路径错误) safe_ip = client_ip.strip().replace(".", "_") # IP中的.替换为_ safe_face_name = face_name.strip() if (face_name and face_name.strip()) else "未命名" safe_face_name = "".join([c for c in safe_face_name if c not in r'\/:*?"<>|']) # 过滤非法字符 # 3. 构建根目录(强制转为绝对路径,避免相对路径混淆) root_dir = Path("up_images").resolve() # 转为绝对路径(关键修复!) if not root_dir.exists(): root_dir.mkdir(parents=True, exist_ok=True) print(f"[FileUtil] 已创建up_images根目录:{root_dir}") # 4. 构建文件层级路径(确保在root_dir子目录下) ip_dir = root_dir / safe_ip face_name_dir = ip_dir / safe_face_name face_name_dir.mkdir(parents=True, exist_ok=True) # 自动创建目录 print(f"[FileUtil] 图片存储目录:{face_name_dir}") # 5. 生成唯一文件名(毫秒级时间戳) timestamp = datetime.datetime.now().strftime("%Y%m%d%H%M%S%f")[:-3] image_filename = f"face_{safe_ip}_{timestamp}.{image_format.lower()}" # 6. 计算路径(关键修复:确保所有路径都是绝对路径且在root_dir下) local_abs_path = face_name_dir / image_filename # 绝对路径 # 验证路径是否在root_dir下(防止路径穿越攻击) if not local_abs_path.resolve().is_relative_to(root_dir.resolve()): raise Exception(f"图片路径不在up_images根目录下(安全校验失败):{local_abs_path}") # 数据库存储路径:从root_dir开始的相对路径(如 up_images/192_168_110_31/小王/xxx.jpg) db_path = str(root_dir.name / local_abs_path.relative_to(root_dir)) # 7. 写入图片文件 with open(local_abs_path, "wb") as f: f.write(image_bytes) print(f"[FileUtil] 图片保存成功:") print(f" 数据库路径:{db_path}") print(f" 本地绝对路径:{local_abs_path}") return { "success": True, "db_path": db_path, # 存数据库的相对路径(up_images开头) "local_abs_path": str(local_abs_path), # 本地绝对路径 "msg": "图片保存成功" } except Exception as e: error_msg = f"图片保存失败:{str(e)}" print(f"[FileUtil] 错误:{error_msg}") return {"success": False, "db_path": "", "local_abs_path": "", "msg": error_msg}