surrealpatch/util/item/allow.go
2016-09-14 22:24:22 +01:00

83 lines
1.6 KiB
Go

// Copyright © 2016 Abcum Ltd
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package item
import (
"github.com/robertkrimen/otto"
"github.com/yuin/gopher-lua"
"github.com/abcum/surreal/cnf"
)
func (this *Doc) Allow(cond string) (val bool) {
this.getRules()
if rule, ok := this.rules[cond]; ok {
val = (rule.Rule == "ACCEPT")
if rule.Rule == "CUSTOM" {
if cnf.Settings.DB.Lang == "js" {
vm := otto.New()
vm.Set("data", this.initial.Copy())
vm.Set("edit", this.current.Copy())
ret, err := vm.Run("(function() { " + rule.Code + " })()")
if err != nil {
return false
}
if ret.IsDefined() {
val, _ := ret.ToBoolean()
return val
} else {
return false
}
}
if cnf.Settings.DB.Lang == "lua" {
vm := lua.NewState()
defer vm.Close()
vm.SetGlobal("data", toLUA(vm, this.initial.Copy()))
vm.SetGlobal("edit", toLUA(vm, this.current.Copy()))
if err := vm.DoString(rule.Code); err != nil {
return false
}
ret := vm.Get(-1)
if lua.LVAsBool(ret) {
return true
} else {
return false
}
}
}
}
return
}