Pierre-Olivier Mercier
5d304b6495
Rename internal/{checker,service,provider,notification} to
internal/{dnschecker,serviceanalyzer,providerregistry,notifier} so
imports no longer collide with the same-named usecase subpackages and
no longer require import aliases to disambiguate.
138 lines
3.6 KiB
Go
138 lines
3.6 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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"github.com/miekg/dns"
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"git.happydns.org/happyDomain/internal/helpers"
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svc "git.happydns.org/happyDomain/internal/serviceanalyzer"
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"git.happydns.org/happyDomain/model"
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)
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type CNAME struct {
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Record *dns.CNAME `json:"cname"`
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}
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func (s *CNAME) GetNbResources() int {
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return 1
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}
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func (s *CNAME) GenComment() string {
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return s.Record.Target
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}
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func (s *CNAME) GetRecords(domain string, ttl uint32, origin string) (rrs []happydns.Record, e error) {
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return []happydns.Record{s.Record}, nil
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}
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type SpecialCNAME struct {
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Record *dns.CNAME `json:"cname"`
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}
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func (s *SpecialCNAME) GetNbResources() int {
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return 1
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}
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func (s *SpecialCNAME) GenComment() string {
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return "(" + s.Record.Hdr.Name + ") -> " + s.Record.Target
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}
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func (s *SpecialCNAME) GetRecords(domain string, ttl uint32, origin string) (rrs []happydns.Record, e error) {
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return []happydns.Record{s.Record}, nil
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}
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func specialalias_analyze(a *svc.Analyzer) error {
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// Try handle specials domains using CNAME
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for _, record := range a.SearchRR(svc.AnalyzerRecordFilter{Type: dns.TypeCNAME, Prefix: "_"}) {
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subdomains := SRV_DOMAIN.FindStringSubmatch(record.Header().Name)
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if cname, ok := record.(*dns.CNAME); ok && len(subdomains) == 4 {
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if err := a.UseRR(record, subdomains[3], &SpecialCNAME{
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Record: helpers.RRRelativeSubdomain(cname, a.GetOrigin(), subdomains[3]).(*dns.CNAME),
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}); err != nil {
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return err
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}
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}
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}
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return nil
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}
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func alias_analyze(a *svc.Analyzer) error {
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for _, record := range a.SearchRR(svc.AnalyzerRecordFilter{Type: dns.TypeCNAME}) {
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if cname, ok := record.(*dns.CNAME); ok {
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domain := record.Header().Name
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if err := a.UseRR(record, domain, &CNAME{
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Record: helpers.RRRelativeSubdomain(cname, a.GetOrigin(), domain).(*dns.CNAME),
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}); err != nil {
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return err
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}
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}
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}
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return nil
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}
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func init() {
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svc.RegisterService(
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func() happydns.ServiceBody {
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return &SpecialCNAME{}
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},
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specialalias_analyze,
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happydns.ServiceInfos{
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Name: "SubAlias",
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Description: "A service alias to another domain/service.",
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Categories: []string{
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"alias",
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},
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Restrictions: happydns.ServiceRestrictions{
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NearAlone: true,
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NeedTypes: []uint16{
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dns.TypeCNAME,
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},
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},
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},
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99999997,
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)
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svc.RegisterService(
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func() happydns.ServiceBody {
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return &CNAME{}
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},
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alias_analyze,
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happydns.ServiceInfos{
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Name: "Alias",
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Description: "Maps an alias to another (canonical) domain.",
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Categories: []string{
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"alias",
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},
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RecordTypes: []uint16{
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dns.TypeCNAME,
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},
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Restrictions: happydns.ServiceRestrictions{
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Alone: true,
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Single: true,
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NeedTypes: []uint16{
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dns.TypeCNAME,
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},
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},
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},
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99999998,
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)
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}
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