maddy

 1/*
 2Maddy Mail Server - Composable all-in-one email server.
 3Copyright © 2019-2020 Max Mazurov <fox.cpp@disroot.org>, Maddy Mail Server contributors
 4
 5This program is free software: you can redistribute it and/or modify
 6it under the terms of the GNU General Public License as published by
 7the Free Software Foundation, either version 3 of the License, or
 8(at your option) any later version.
 9
10This program is distributed in the hope that it will be useful,
11but WITHOUT ANY WARRANTY; without even the implied warranty of
12MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13GNU General Public License for more details.
14
15You should have received a copy of the GNU General Public License
16along with this program.  If not, see <https://www.gnu.org/licenses/>.
17*/
18
19package msgpipeline
20
21import (
22	"github.com/foxcpp/maddy/framework/config"
23	modconfig "github.com/foxcpp/maddy/framework/config/module"
24	"github.com/foxcpp/maddy/framework/module"
25)
26
27// CheckGroup is a module container for a group of Check implementations.
28//
29// It allows to share a set of filter configurations between using named
30// configuration blocks (module instances) system.
31//
32// It is registered globally under the name 'checks'. The object does not
33// implement any standard module interfaces besides module.Module and is
34// specific to the message pipeline.
35type CheckGroup struct {
36	instName string
37	L        []module.Check
38}
39
40func (cg *CheckGroup) Init(cfg *config.Map) error {
41	for _, node := range cfg.Block.Children {
42		chk, err := modconfig.MessageCheck(cfg.Globals, append([]string{node.Name}, node.Args...), node)
43		if err != nil {
44			return err
45		}
46
47		cg.L = append(cg.L, chk)
48	}
49
50	return nil
51}
52
53func (CheckGroup) Name() string {
54	return "checks"
55}
56
57func (cg CheckGroup) InstanceName() string {
58	return cg.instName
59}
60
61func init() {
62	module.Register("checks", func(_, instName string, _, _ []string) (module.Module, error) {
63		return &CheckGroup{
64			instName: instName,
65		}, nil
66	})
67}