mh_goadmin_server/common/actions/permission.go
2023-10-14 16:19:04 +08:00

98 lines
2.5 KiB
Go

package actions
import (
"errors"
"net/http"
"github.com/gin-gonic/gin"
"gorm.io/gorm"
"go-admin/common/log"
"go-admin/tools"
"go-admin/tools/app"
"go-admin/tools/config"
)
type DataPermission struct {
DataScope string
UserId int
DeptId int
RoleId int
}
func PermissionAction() gin.HandlerFunc {
return func(c *gin.Context) {
db, err := tools.GetOrm(c)
if err != nil {
log.Error(err.Error())
return
}
msgID := tools.GenerateMsgIDFromContext(c)
var p = new(DataPermission)
if userId := tools.GetUserIdStr(c); userId != "" {
p, err = newDataPermission(db, userId)
if err != nil {
log.Errorf("MsgID[%s] PermissionAction error: %s", msgID, err)
app.Error(c, http.StatusInternalServerError, err, "权限范围鉴定错误")
c.Abort()
return
}
}
c.Set(PermissionKey, p)
c.Next()
}
}
func newDataPermission(tx *gorm.DB, userId interface{}) (*DataPermission, error) {
var err error
p := &DataPermission{}
err = tx.Table("sys_user").
Select("sys_user.user_id", "sys_role.role_id", "sys_user.dept_id", "sys_role.data_scope").
Joins("left join sys_role on sys_role.role_id = sys_user.role_id").
Where("sys_user.user_id = ?", userId).
Scan(p).Error
if err != nil {
err = errors.New("获取用户数据出错 msg:" + err.Error())
return nil, err
}
return p, nil
}
func Permission(tableName string, p *DataPermission) func(db *gorm.DB) *gorm.DB {
return func(db *gorm.DB) *gorm.DB {
if !config.ApplicationConfig.EnableDP {
return db
}
switch p.DataScope {
case "2":
return db.Where(tableName+".create_by in (select sys_user.user_id from sys_role_dept left join sys_user on sys_user.dept_id=sys_role_dept.dept_id where sys_role_dept.role_id = ?)", p.RoleId)
case "3":
return db.Where(tableName+".create_by in (SELECT user_id from sys_user where dept_id = ? )", p.DeptId)
case "4":
return db.Where(tableName+".create_by in (SELECT user_id from sys_user where sys_user.dept_id in(select dept_id from sys_dept where dept_path like ? ))", "%"+tools.IntToString(p.DeptId)+"%")
case "5":
return db.Where(tableName+".create_by = ?", p.UserId)
default:
return db
}
}
}
func getPermissionFromContext(c *gin.Context) *DataPermission {
p := new(DataPermission)
if pm, ok := c.Get(PermissionKey); ok {
switch pm.(type) {
case *DataPermission:
p = pm.(*DataPermission)
}
}
return p
}
// PermissionForNoAction 提供非action写法数据范围约束
func GetPermissionFromContext(c *gin.Context) *DataPermission {
return getPermissionFromContext(c)
}