66 lines
1.2 KiB
Go
66 lines
1.2 KiB
Go
package casbin
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import (
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"strings"
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"github.com/casbin/casbin/v2"
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"github.com/casbin/casbin/v2/model"
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gormadapter "github.com/casbin/gorm-adapter/v3"
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"gorm.io/driver/mysql"
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"gorm.io/gorm"
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)
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const modelText = `
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[request_definition]
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r = sub, obj, act
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[policy_definition]
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p = sub, obj, act
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[role_definition]
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g = _, _
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[policy_effect]
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e = some(where (p.eft == allow))
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[matchers]
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m = g(r.sub, p.sub) && keyMatch2(r.obj, p.obj) && (r.act == p.act || p.act == "*")
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`
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func NewEnforcer(dsn string) (*casbin.Enforcer, error) {
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db, err := gorm.Open(mysql.Open(dsn), &gorm.Config{})
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if err != nil {
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return nil, err
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}
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adapter, err := gormadapter.NewAdapterByDB(db)
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if err != nil {
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return nil, err
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}
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m, err := model.NewModelFromString(modelText)
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if err != nil {
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return nil, err
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}
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enforcer, err := casbin.NewEnforcer(m, adapter)
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if err != nil {
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return nil, err
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}
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if err := enforcer.LoadPolicy(); err != nil {
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return nil, err
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}
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return enforcer, nil
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}
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func CheckPermission(enforcer *casbin.Enforcer, roleKey, path, method string) bool {
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method = strings.ToUpper(method)
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ok, err := enforcer.Enforce(roleKey, path, method)
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if err != nil {
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return false
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}
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return ok
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}
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