141 lines
3.7 KiB
Go
141 lines
3.7 KiB
Go
// Copyright or © or Copr. happyDNS (2020)
|
|
//
|
|
// contact@happydns.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 (
|
|
"bytes"
|
|
"strconv"
|
|
"strings"
|
|
|
|
"github.com/miekg/dns"
|
|
|
|
"git.happydns.org/happydns/model"
|
|
)
|
|
|
|
type MatrixIM struct {
|
|
Matrix []*SRV `json:"matrix"`
|
|
}
|
|
|
|
func (s *MatrixIM) GetNbResources() int {
|
|
return len(s.Matrix)
|
|
}
|
|
|
|
func (s *MatrixIM) GenComment(origin string) string {
|
|
dest := map[string][]uint16{}
|
|
|
|
destloop:
|
|
for _, srv := range s.Matrix {
|
|
for _, port := range dest[srv.Target] {
|
|
if port == srv.Port {
|
|
continue destloop
|
|
}
|
|
}
|
|
dest[srv.Target] = append(dest[srv.Target], srv.Port)
|
|
}
|
|
|
|
var buffer bytes.Buffer
|
|
first := true
|
|
for dn, ports := range dest {
|
|
dn = strings.TrimSuffix(dn, "."+origin)
|
|
if !first {
|
|
buffer.WriteString("; ")
|
|
} else {
|
|
first = !first
|
|
}
|
|
buffer.WriteString(dn)
|
|
buffer.WriteString(" (")
|
|
firstport := true
|
|
for _, port := range ports {
|
|
if !firstport {
|
|
buffer.WriteString(", ")
|
|
} else {
|
|
firstport = !firstport
|
|
}
|
|
buffer.WriteString(strconv.Itoa(int(port)))
|
|
}
|
|
buffer.WriteString(")")
|
|
}
|
|
|
|
return buffer.String()
|
|
}
|
|
|
|
func (s *MatrixIM) GenRRs(domain string, ttl uint32, origin string) (rrs []dns.RR) {
|
|
for _, matrix := range s.Matrix {
|
|
rrs = append(rrs, matrix.GenRRs("_matrix._tcp."+domain, ttl, origin)...)
|
|
}
|
|
return
|
|
}
|
|
|
|
func matrix_analyze(a *Analyzer) error {
|
|
matrixDomains := map[string]*MatrixIM{}
|
|
|
|
for _, record := range a.searchRR(AnalyzerRecordFilter{Prefix: "_matrix._tcp.", Type: dns.TypeSRV}) {
|
|
if srv := parseSRV(record); srv != nil {
|
|
domain := strings.TrimPrefix(record.Header().Name, "_matrix._tcp.")
|
|
|
|
if _, ok := matrixDomains[domain]; !ok {
|
|
matrixDomains[domain] = &MatrixIM{}
|
|
}
|
|
|
|
matrixDomains[domain].Matrix = append(matrixDomains[domain].Matrix, srv)
|
|
|
|
a.useRR(
|
|
record,
|
|
domain,
|
|
matrixDomains[domain],
|
|
)
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func init() {
|
|
RegisterService(
|
|
func() happydns.Service {
|
|
return &MatrixIM{}
|
|
},
|
|
matrix_analyze,
|
|
ServiceInfos{
|
|
Name: "Matrix IM",
|
|
Description: "Communicate on Matrix using your domain.",
|
|
Categories: []string{
|
|
"im",
|
|
},
|
|
Restrictions: ServiceRestrictions{
|
|
NearAlone: true,
|
|
Single: true,
|
|
},
|
|
},
|
|
1,
|
|
)
|
|
}
|