138 lines
3.3 KiB
Go
138 lines
3.3 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 abstract
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import (
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"bytes"
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"strconv"
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"strings"
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"github.com/StackExchange/dnscontrol/v4/models"
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"github.com/miekg/dns"
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"git.happydns.org/happyDomain/model"
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"git.happydns.org/happyDomain/services"
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"git.happydns.org/happyDomain/utils"
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)
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type MatrixIM struct {
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Matrix []*svcs.SRV `json:"matrix"`
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}
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func (s *MatrixIM) GetNbResources() int {
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return len(s.Matrix)
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}
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func (s *MatrixIM) GenComment(origin string) string {
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dest := map[string][]uint16{}
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destloop:
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for _, srv := range s.Matrix {
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for _, port := range dest[srv.Target] {
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if port == srv.Port {
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continue destloop
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}
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}
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dest[srv.Target] = append(dest[srv.Target], srv.Port)
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}
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var buffer bytes.Buffer
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first := true
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for dn, ports := range dest {
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dn = strings.TrimSuffix(dn, "."+origin)
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if !first {
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buffer.WriteString("; ")
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} else {
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first = !first
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}
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buffer.WriteString(dn)
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buffer.WriteString(" (")
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firstport := true
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for _, port := range ports {
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if !firstport {
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buffer.WriteString(", ")
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} else {
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firstport = !firstport
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}
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buffer.WriteString(strconv.Itoa(int(port)))
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}
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buffer.WriteString(")")
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}
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return buffer.String()
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}
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func (s *MatrixIM) GenRRs(domain string, ttl uint32, origin string) (rrs models.Records) {
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for _, matrix := range s.Matrix {
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rrs = append(rrs, matrix.GenRRs(utils.DomainJoin("_matrix._tcp", domain), ttl, origin)...)
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}
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return
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}
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func matrix_analyze(a *svcs.Analyzer) error {
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matrixDomains := map[string]*MatrixIM{}
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for _, record := range a.SearchRR(svcs.AnalyzerRecordFilter{Prefix: "_matrix._tcp.", Type: dns.TypeSRV}) {
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if srv := svcs.ParseSRV(record); srv != nil {
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domain := strings.TrimPrefix(record.NameFQDN, "_matrix._tcp.")
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if _, ok := matrixDomains[domain]; !ok {
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matrixDomains[domain] = &MatrixIM{}
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}
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matrixDomains[domain].Matrix = append(matrixDomains[domain].Matrix, srv)
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a.UseRR(
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record,
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domain,
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matrixDomains[domain],
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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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svcs.RegisterService(
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func() happydns.Service {
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return &MatrixIM{}
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},
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matrix_analyze,
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svcs.ServiceInfos{
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Name: "Matrix IM",
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Description: "Communicate on Matrix using your domain.",
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Family: svcs.Abstract,
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Categories: []string{
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"im",
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},
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Restrictions: svcs.ServiceRestrictions{
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NearAlone: true,
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Single: true,
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NeedTypes: []uint16{
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dns.TypeSRV,
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},
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},
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},
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1,
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)
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}
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