78 lines
2.5 KiB
Go
78 lines
2.5 KiB
Go
// Copyright or © or Copr. happyDNS (2020)
|
|
//
|
|
// contact@happydomain.org
|
|
//
|
|
// This software is a computer program whose purpose is to provide a modern
|
|
// interface to interact with DNS systems.
|
|
//
|
|
// This software is governed by the CeCILL license under French law and abiding
|
|
// by the rules of distribution of free software. You can use, modify and/or
|
|
// redistribute the software under the terms of the CeCILL license as
|
|
// circulated by CEA, CNRS and INRIA at the following URL
|
|
// "http://www.cecill.info".
|
|
//
|
|
// As a counterpart to the access to the source code and rights to copy, modify
|
|
// and redistribute granted by the license, users are provided only with a
|
|
// limited warranty and the software's author, the holder of the economic
|
|
// rights, and the successive licensors have only limited liability.
|
|
//
|
|
// In this respect, the user's attention is drawn to the risks associated with
|
|
// loading, using, modifying and/or developing or reproducing the software by
|
|
// the user in light of its specific status of free software, that may mean
|
|
// that it is complicated to manipulate, and that also therefore means that it
|
|
// is reserved for developers and experienced professionals having in-depth
|
|
// computer knowledge. Users are therefore encouraged to load and test the
|
|
// software's suitability as regards their requirements in conditions enabling
|
|
// the security of their systems and/or data to be ensured and, more generally,
|
|
// to use and operate it in the same conditions as regards security.
|
|
//
|
|
// The fact that you are presently reading this means that you have had
|
|
// knowledge of the CeCILL license and that you accept its terms.
|
|
|
|
package svcs
|
|
|
|
import (
|
|
"fmt"
|
|
"strings"
|
|
|
|
"github.com/StackExchange/dnscontrol/v4/pkg/spflib"
|
|
)
|
|
|
|
type SPF struct {
|
|
Version uint `json:"version" happydomain:"label=Version,placeholder=1,required,description=The version of SPF to use.,default=1,hidden"`
|
|
Directives []string `json:"directives" happydomain:"label=Directives,placeholder=ip4:203.0.113.12"`
|
|
}
|
|
|
|
func (t *SPF) Analyze(txt string) error {
|
|
_, err := spflib.Parse(txt, nil)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
t.Version = 1
|
|
|
|
fields := strings.Fields(txt)
|
|
|
|
// Avoid doublon
|
|
for _, directive := range fields[1:] {
|
|
exists := false
|
|
for _, known := range t.Directives {
|
|
if known == directive {
|
|
exists = true
|
|
break
|
|
}
|
|
}
|
|
|
|
if !exists {
|
|
t.Directives = append(t.Directives, directive)
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func (t *SPF) String() string {
|
|
directives := append([]string{fmt.Sprintf("v=spf%d", t.Version)}, t.Directives...)
|
|
return strings.Join(directives, " ")
|
|
}
|