后台格式规范化 引入casbin做鉴权

QMPlusServer/model/sysModel/sys_casbin.go

@@ -0,0 +1,92 @@
+package sysModel
+
+import (
+	"errors"
+	"github.com/casbin/casbin"
+	gormadapter "github.com/casbin/gorm-adapter"
+	"main/init/qmsql"
+	"strings"
+)
+
+type CasbinModel struct {
+	ID          uint           `json:"id" gorm:"column:_id"`
+	Ptype       string        `json:"ptype" gorm:"column:ptype"`
+	AuthorityId string        `json:"rolename" gorm:"column:v0"`
+	Path        string        `json:"path" gorm:"column:v1"`
+	Method      string        `json:"method" gorm:"column:v2"`
+}
+
+
+
+// 更新权限
+func (c *CasbinModel) CasbinPUpdata(AuthorityId string,Paths []string)error{
+	c.clearCasbin(0,AuthorityId)
+	for _,v:=range Paths{
+		cm:= CasbinModel{
+			ID:          0,
+			Ptype:       "p",
+			AuthorityId: AuthorityId,
+			Path:        v,
+			Method:      "POST",
+		}
+		addflag := c.AddCasbin(cm)
+		if(addflag == false){
+			return errors.New("存在相同api,添加失败,请联系管理员")
+		}
+	}
+	return nil
+}
+
+// API更新随动
+func (c *CasbinModel) CasbinApiUpdata(oldPath string,newPath string)error{
+	var cs []CasbinModel
+	err := qmsql.DEFAULTDB.Table("casbin_rule").Where("v1 = ?",oldPath).Find(&cs).Update("v1", newPath).Error
+	return err
+}
+
+//添加权限
+func (c *CasbinModel) AddCasbin(cm CasbinModel) bool {
+	e := Casbin()
+	return e.AddPolicy( cm.AuthorityId, cm.Path, cm.Method)
+}
+
+//获取权限列表
+func (c *CasbinModel) GetPolicyPathByAuthorityId(AuthorityId string)[]string {
+	e := Casbin()
+	var pathList []string
+	list := e.GetFilteredPolicy(0, AuthorityId)
+	for _,v:=range list{
+		pathList = append(pathList, v[1])
+	}
+	return pathList
+}
+
+//清除匹配的权限
+func (c *CasbinModel) clearCasbin(v int,p string) bool {
+	e := Casbin()
+	return e.RemoveFilteredPolicy(v,p)
+
+}
+
+// 自定义规则函数
+func ParamsMatch(key1 string, key2 string) bool {
+	k1arr := strings.Split(key1,"?")
+	return k1arr[0] == key2
+}
+
+// 自定义规则函数
+func ParamsMatchFunc(args ...interface{}) (interface{}, error) {
+	name1 := args[0].(string)
+	name2 := args[1].(string)
+
+	return (bool)(ParamsMatch(name1, name2)), nil
+}
+
+//持久化到数据库  引入自定义规则
+func Casbin() *casbin.Enforcer {
+	a := gormadapter.NewAdapterByDB(qmsql.DEFAULTDB)
+	e := casbin.NewEnforcer("./static/rbacmodel/rbac_model.conf", a)
+	e.AddFunction("ParamsMatch", ParamsMatchFunc)
+	e.LoadPolicy()
+	return e
+}