107 lines
2.5 KiB
Go
107 lines
2.5 KiB
Go
package myCasbin
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import (
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"context"
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"github.com/casbin/casbin/v2"
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"github.com/gogf/gf/v2/frame/g"
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"github.com/gogf/gf/v2/os/glog"
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"github.com/hailaz/gf-casbin-adapter/v2"
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"server/internal/consts"
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"sync"
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)
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type myCasbin struct {
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*casbin.Enforcer
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}
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var (
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instance *myCasbin
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once sync.Once
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)
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func init() {
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ctx := context.Background()
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once.Do(func() {
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modelPath := g.Config().MustGet(ctx, "casbin.modelPath").String()
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enforcer, err := casbin.NewEnforcer(modelPath, adapter.NewAdapter(
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adapter.Options{
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GDB: g.DB(),
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FieldName: &adapter.FieldName{PType: "p_type"},
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},
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))
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if err != nil {
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glog.Errorf(ctx, "init casbin error: %v", err)
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}
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enforcer.LoadPolicy()
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enforcer.AddGroupingPolicy(consts.UserRoleCode, consts.GuestRoleCode)
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enforcer.AddGroupingPolicy(consts.AuthorRoleCode, consts.UserRoleCode)
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enforcer.AddGroupingPolicy(consts.AdminRoleCode, consts.AuthorRoleCode)
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// guest
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{
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}
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// user
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{
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// book
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// chapter
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// feedback
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// user
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enforcer.AddPolicy("admin", "/user/info", "GET", "获取用户信息")
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}
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// author
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{
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// book
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enforcer.AddPolicy("admin", "/book", "GET", "获取图书列表")
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// chapter
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// category
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enforcer.AddPolicy("admin", "/category", "GET", "获取分类列表")
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}
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// admin
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{
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// feedback
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enforcer.AddPolicy("admin", "/feedback", "GET", "获取反馈列表")
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// category
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enforcer.AddPolicy("admin", "/category", "POST", "创建分类")
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enforcer.AddPolicy("admin", "/category", "PUT", "更新分类")
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enforcer.AddPolicy("admin", "/category", "DELETE", "删除分类")
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// admin
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enforcer.AddPolicy("admin", "/admin/info", "GET", "获取管理员用户信息")
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}
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instance = &myCasbin{Enforcer: enforcer}
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})
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glog.Infof(ctx, "init casbin success")
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}
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func GetMyCasbin() *myCasbin {
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if instance == nil {
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panic("casbin not init")
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}
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return instance
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}
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// HasPermission 判断给定的权限标识是否拥有访问指定 URL 和方法的权限。
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//
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// 参数:
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// - permission: 权限标识（如角色名或用户 ID）
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// - url: 请求的路径（如 "/api/user/list"）
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// - method: HTTP 请求方法（如 "GET", "POST"）
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//
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// 返回:
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// - access: 如果有权限则为 true；否则为 false。
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// - 若校验过程中发生错误，将记录日志并返回 false。
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func (m *myCasbin) HasPermission(permission, url, method string) (access bool) {
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enforce, err := m.Enforcer.Enforce(permission, url, method)
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if err != nil {
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glog.Errorf(context.Background(), "enforce error: %v", err)
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return
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}
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return enforce
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}
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