149 lines
3.6 KiB
Go
149 lines
3.6 KiB
Go
// This file is part of the happyDomain (R) project.
|
|
// Copyright (c) 2020-2024 happyDomain
|
|
// Authors: Pierre-Olivier Mercier, et al.
|
|
//
|
|
// This program is offered under a commercial and under the AGPL license.
|
|
// For commercial licensing, contact us at <contact@happydomain.org>.
|
|
//
|
|
// For AGPL licensing:
|
|
// This program is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Affero General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// This program is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU Affero General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Affero General Public License
|
|
// along with this program. If not, see <https://www.gnu.org/licenses/>.
|
|
|
|
package svcs
|
|
|
|
import (
|
|
"fmt"
|
|
"strings"
|
|
|
|
"github.com/miekg/dns"
|
|
|
|
"github.com/StackExchange/dnscontrol/v4/pkg/spflib"
|
|
|
|
"git.happydns.org/happyDomain/internal/helpers"
|
|
"git.happydns.org/happyDomain/model"
|
|
)
|
|
|
|
type SPF struct {
|
|
Record *happydns.TXT `json:"txt"`
|
|
}
|
|
|
|
func (s *SPF) GetNbResources() int {
|
|
return 1
|
|
}
|
|
|
|
func (s *SPF) GenComment() string {
|
|
t := SPFFields{}
|
|
t.Analyze(s.Record.Txt)
|
|
|
|
return fmt.Sprintf("%d directives", len(t.Directives))
|
|
}
|
|
|
|
func (s *SPF) GetRecords(domain string, ttl uint32, origin string) ([]happydns.Record, error) {
|
|
return []happydns.Record{s.Record}, nil
|
|
}
|
|
|
|
type SPFFields 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 *SPFFields) 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 (s *SPFFields) String() string {
|
|
directives := append([]string{fmt.Sprintf("v=spf%d", s.Version)}, s.Directives...)
|
|
return strings.Join(directives, " ")
|
|
}
|
|
|
|
func spf_analyze(a *Analyzer) (err error) {
|
|
for _, record := range a.SearchRR(AnalyzerRecordFilter{Type: dns.TypeTXT, Contains: "v=spf1"}) {
|
|
domain := record.Header().Name
|
|
err = a.UseRR(record, domain, &SPF{
|
|
Record: helpers.RRRelativeSubdomain(record, a.GetOrigin(), domain).(*happydns.TXT),
|
|
})
|
|
if err != nil {
|
|
return
|
|
}
|
|
}
|
|
|
|
for _, record := range a.SearchRR(AnalyzerRecordFilter{Type: dns.TypeSPF, Contains: "v=spf1"}) {
|
|
spf, ok := record.(*happydns.SPF)
|
|
if !ok {
|
|
continue
|
|
}
|
|
|
|
domain := record.Header().Name
|
|
err = a.UseRR(record, domain, &SPF{
|
|
Record: helpers.RRRelativeSubdomain(&happydns.TXT{
|
|
Hdr: spf.Hdr,
|
|
Txt: spf.Txt,
|
|
}, a.GetOrigin(), domain).(*happydns.TXT),
|
|
})
|
|
if err != nil {
|
|
return
|
|
}
|
|
}
|
|
|
|
return
|
|
}
|
|
|
|
func init() {
|
|
RegisterService(
|
|
func() happydns.ServiceBody {
|
|
return &SPF{}
|
|
},
|
|
spf_analyze,
|
|
happydns.ServiceInfos{
|
|
Name: "SPF",
|
|
Description: "Sender Policy Framework, to authenticate domain name on email sending.",
|
|
Categories: []string{
|
|
"email",
|
|
},
|
|
RecordTypes: []uint16{
|
|
dns.TypeTXT,
|
|
dns.TypeSPF,
|
|
},
|
|
Restrictions: happydns.ServiceRestrictions{
|
|
NeedTypes: []uint16{
|
|
dns.TypeTXT,
|
|
},
|
|
},
|
|
},
|
|
1,
|
|
)
|
|
}
|