68 lines
1.9 KiB
Go
68 lines
1.9 KiB
Go
// This file is part of the happyDomain (R) project.
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// Copyright (c) 2020-2024 happyDomain
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// Authors: Pierre-Olivier Mercier, et al.
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//
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// This program is offered under a commercial and under the AGPL license.
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// For commercial licensing, contact us at <contact@happydomain.org>.
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//
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// For AGPL licensing:
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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package svcs
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import (
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"fmt"
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"strings"
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"github.com/StackExchange/dnscontrol/v4/pkg/spflib"
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)
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type SPF struct {
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Version uint `json:"version" happydomain:"label=Version,placeholder=1,required,description=The version of SPF to use.,default=1,hidden"`
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Directives []string `json:"directives" happydomain:"label=Directives,placeholder=ip4:203.0.113.12"`
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}
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func (t *SPF) Analyze(txt string) error {
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_, err := spflib.Parse(txt, nil)
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if err != nil {
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return err
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}
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t.Version = 1
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fields := strings.Fields(txt)
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// Avoid doublon
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for _, directive := range fields[1:] {
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exists := false
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for _, known := range t.Directives {
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if known == directive {
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exists = true
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break
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}
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}
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if !exists {
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t.Directives = append(t.Directives, directive)
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}
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}
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return nil
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}
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func (t *SPF) String() string {
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directives := append([]string{fmt.Sprintf("v=spf%d", t.Version)}, t.Directives...)
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return strings.Join(directives, " ")
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}
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