alist/server/controllers/fslist.go

119 lines
2.9 KiB
Go

package controllers
import (
"github.com/alist-org/alist/v3/internal/db"
"github.com/alist-org/alist/v3/internal/fs"
"github.com/alist-org/alist/v3/internal/model"
"github.com/alist-org/alist/v3/internal/setting"
"github.com/alist-org/alist/v3/internal/sign"
"github.com/alist-org/alist/v3/pkg/utils"
"github.com/alist-org/alist/v3/server/common"
"github.com/gin-gonic/gin"
stdpath "path"
"time"
)
type ListReq struct {
common.PageReq
Path string `json:"path" form:"path"`
Password string `json:"password" form:"password"`
}
type ObjResp struct {
Name string `json:"name"`
Size int64 `json:"size"`
IsDir bool `json:"is_dir"`
Modified time.Time `json:"modified"`
Sign string `json:"sign"`
}
type FsListResp struct {
Content []ObjResp `json:"content"`
Total int64 `json:"total"`
}
func FsList(c *gin.Context) {
var req ListReq
if err := c.ShouldBind(&req); err != nil {
common.ErrorResp(c, err, 400)
return
}
req.Validate()
user := c.MustGet("user").(*model.User)
req.Path = stdpath.Join(user.BasePath, req.Path)
meta, _ := db.GetNearestMeta(req.Path)
c.Set("meta", meta)
if !canAccess(user, meta, req.Path, req.Password) {
common.ErrorStrResp(c, "password is incorrect", 401)
return
}
objs, err := fs.List(c, req.Path)
if err != nil {
common.ErrorResp(c, err, 500, true)
return
}
total, objs := pagination(objs, &req.PageReq)
baseURL := setting.GetByKey("base_url", c.Request.Host)
common.SuccessResp(c, FsListResp{
Content: toObjResp(objs, req.Path, baseURL),
Total: int64(total),
})
}
func canAccess(user *model.User, meta *model.Meta, path string, password string) bool {
// if is not guest, can access
if user.IsAdmin() || user.IgnorePassword {
return true
}
// if meta is nil or password is empty, can access
if meta == nil || meta.Password == "" {
return true
}
// if meta doesn't apply to sub_folder, can access
if !utils.PathEqual(meta.Path, path) && !meta.SubFolder {
return true
}
// validate password
return meta.Password == password
}
func pagination(objs []model.Obj, req *common.PageReq) (int, []model.Obj) {
pageIndex, pageSize := req.PageIndex, req.PageSize
total := len(objs)
start := (pageIndex - 1) * pageSize
if start > total {
return total, []model.Obj{}
}
end := start + pageSize
if end > total {
end = total
}
return total, objs[start:end]
}
func toObjResp(objs []model.Obj, path string, baseURL string) []ObjResp {
var resp []ObjResp
for _, obj := range objs {
resp = append(resp, ObjResp{
Name: obj.GetName(),
Size: obj.GetSize(),
IsDir: obj.IsDir(),
Modified: obj.ModTime(),
Sign: Sign(obj),
})
}
return resp
}
func Sign(obj model.Obj) string {
if obj.IsDir() {
return ""
}
expire := setting.GetIntSetting("link_expiration", 0)
if expire == 0 {
return sign.NotExpired(obj.GetName())
} else {
return sign.WithDuration(obj.GetName(), time.Duration(expire)*time.Hour)
}
}