🐛 添加被忽略的必要文件

server/utils/upload/local.go

@@ -0,0 +1,117 @@
+package upload
+
+import (
+	"errors"
+	"io"
+	"mime/multipart"
+	"os"
+	"path/filepath"
+	"strings"
+	"sync"
+	"time"
+
+	"git.echol.cn/loser/ai_wanjia/global"
+	"git.echol.cn/loser/ai_wanjia/utils"
+	"go.uber.org/zap"
+)
+
+var mu sync.Mutex
+
+type Local struct{}
+
+//@author: [piexlmax](https://github.com/piexlmax)
+//@author: [ccfish86](https://github.com/ccfish86)
+//@author: [SliverHorn](https://github.com/SliverHorn)
+//@object: *Local
+//@function: UploadFile
+//@description: 上传文件，按来源平台和用户ID分目录存储
+//@param: file *multipart.FileHeader, ctx UploadContext
+//@return: string, string, error
+
+func (*Local) UploadFile(file *multipart.FileHeader, ctx UploadContext) (string, string, error) {
+	// 读取文件后缀
+	ext := filepath.Ext(file.Filename)
+	// 读取文件名并加密
+	name := strings.TrimSuffix(file.Filename, ext)
+	name = utils.MD5V([]byte(name))
+	// 拼接新文件名
+	filename := name + "_" + time.Now().Format("20060102150405") + ext
+
+	// 生成按平台+用户+日期分组的子目录
+	subDir := ctx.SubDir()
+	storePath := filepath.Join(global.GVA_CONFIG.Local.StorePath, subDir)
+
+	// 尝试创建目录
+	mkdirErr := os.MkdirAll(storePath, os.ModePerm)
+	if mkdirErr != nil {
+		global.GVA_LOG.Error("function os.MkdirAll() failed", zap.Any("err", mkdirErr.Error()))
+		return "", "", errors.New("function os.MkdirAll() failed, err:" + mkdirErr.Error())
+	}
+
+	// 拼接绝对存储路径和访问路径
+	p := filepath.Join(storePath, filename)
+	// key 为相对路径（含子目录），用于后续删除时定位文件
+	key := subDir + "/" + filename
+	// 若配置了域名前缀，则返回完整 URL；否则返回相对路径
+	fileURL := global.GVA_CONFIG.Local.Path + "/" + key
+	if base := strings.TrimRight(global.GVA_CONFIG.Local.BaseURL, "/"); base != "" {
+		fileURL = base + "/" + global.GVA_CONFIG.Local.Path + "/" + key
+	}
+
+	f, openError := file.Open()
+	if openError != nil {
+		global.GVA_LOG.Error("function file.Open() failed", zap.Any("err", openError.Error()))
+		return "", "", errors.New("function file.Open() failed, err:" + openError.Error())
+	}
+	defer f.Close()
+
+	out, createErr := os.Create(p)
+	if createErr != nil {
+		global.GVA_LOG.Error("function os.Create() failed", zap.Any("err", createErr.Error()))
+		return "", "", errors.New("function os.Create() failed, err:" + createErr.Error())
+	}
+	defer out.Close()
+
+	_, copyErr := io.Copy(out, f)
+	if copyErr != nil {
+		global.GVA_LOG.Error("function io.Copy() failed", zap.Any("err", copyErr.Error()))
+		return "", "", errors.New("function io.Copy() failed, err:" + copyErr.Error())
+	}
+	return fileURL, key, nil
+}
+
+//@author: [piexlmax](https://github.com/piexlmax)
+//@author: [ccfish86](https://github.com/ccfish86)
+//@author: [SliverHorn](https://github.com/SliverHorn)
+//@object: *Local
+//@function: DeleteFile
+//@description: 删除文件
+//@param: key string
+//@return: error
+
+func (*Local) DeleteFile(key string) error {
+	if key == "" {
+		return errors.New("key不能为空")
+	}
+
+	// 防止路径遍历：拒绝 .. 及非法字符（/ 允许，用于子目录）
+	if strings.Contains(key, "..") || strings.ContainsAny(key, `\*?"<>|`) {
+		return errors.New("非法的key")
+	}
+
+	p := filepath.Join(global.GVA_CONFIG.Local.StorePath, key)
+
+	if _, err := os.Stat(p); os.IsNotExist(err) {
+		return errors.New("文件不存在")
+	}
+
+	mu.Lock()
+	defer mu.Unlock()
+
+	err := os.Remove(p)
+	if err != nil {
+		return errors.New("文件删除失败: " + err.Error())
+	}
+
+	return nil
+}