Document utils package
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@ -35,8 +35,6 @@ import (
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"bytes"
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"io"
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"net/mail"
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"os"
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"os/exec"
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"text/template"
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gomail "github.com/go-mail/mail"
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@ -46,13 +44,20 @@ import (
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"github.com/yuin/goldmark/renderer/html"
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)
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const sendmail = "/usr/sbin/sendmail"
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var (
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MailFrom = mail.Address{Name: "Fred From happyDNS", Address: "contact@happyDNS.org"}
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// MailFrom holds the content of the From field for all e-mails that
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// will be send.
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MailFrom = mail.Address{Name: "Fred From happyDNS", Address: "contact@happyDNS.org"}
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// SendMethod is a pointer to the current global method used to send
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// e-mails.
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SendMethod gomail.Sender = &SystemSendmail{}
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)
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// SendMail takes a content writen in Markdown to send it to the given user. It
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// uses Markdown to create a HTML version of the message and leave the Markdown
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// format in the text version. To perform sending, it relies on the SendMethod
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// global variable.
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func SendMail(to *mail.Address, subject, content string) (err error) {
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m := gomail.NewMessage()
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m.SetHeader("From", MailFrom.String())
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@ -118,36 +123,3 @@ func SendMail(to *mail.Address, subject, content string) (err error) {
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return
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}
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type SystemSendmail struct{}
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// system_sendmail uses the sendmail command to submit the given message
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func (t *SystemSendmail) Send(from string, to []string, msg io.WriterTo) error {
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cmd := exec.Command(sendmail, "-t")
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cmd.Stdout = os.Stdout
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cmd.Stderr = os.Stderr
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pw, err := cmd.StdinPipe()
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if err != nil {
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return err
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}
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err = cmd.Start()
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if err != nil {
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return err
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}
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if _, err = msg.WriteTo(pw); err != nil {
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return err
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}
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if err = pw.Close(); err != nil {
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return err
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}
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if err = cmd.Wait(); err != nil {
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return err
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}
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return nil
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}
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75
utils/mail_systemsendmail.go
Normal file
75
utils/mail_systemsendmail.go
Normal file
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@ -0,0 +1,75 @@
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// Copyright or © or Copr. happyDNS (2020)
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//
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// contact@happydns.org
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//
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// This software is a computer program whose purpose is to provide a modern
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// interface to interact with DNS systems.
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//
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// This software is governed by the CeCILL license under French law and abiding
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// by the rules of distribution of free software. You can use, modify and/or
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// redistribute the software under the terms of the CeCILL license as
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// circulated by CEA, CNRS and INRIA at the following URL
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// "http://www.cecill.info".
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//
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// As a counterpart to the access to the source code and rights to copy, modify
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// and redistribute granted by the license, users are provided only with a
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// limited warranty and the software's author, the holder of the economic
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// rights, and the successive licensors have only limited liability.
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//
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// In this respect, the user's attention is drawn to the risks associated with
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// loading, using, modifying and/or developing or reproducing the software by
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// the user in light of its specific status of free software, that may mean
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// that it is complicated to manipulate, and that also therefore means that it
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// is reserved for developers and experienced professionals having in-depth
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// computer knowledge. Users are therefore encouraged to load and test the
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// software's suitability as regards their requirements in conditions enabling
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// the security of their systems and/or data to be ensured and, more generally,
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// to use and operate it in the same conditions as regards security.
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//
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// The fact that you are presently reading this means that you have had
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// knowledge of the CeCILL license and that you accept its terms.
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package utils
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import (
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"io"
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"os"
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"os/exec"
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)
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// sendmail contains the path to the sendmail command
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const sendmail = "/usr/sbin/sendmail"
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// SystemSendmail uses the sendmail command to send message
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type SystemSendmail struct{}
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// Send sends an e-mail to the given recipients using the sendmail command.
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func (t *SystemSendmail) Send(from string, to []string, msg io.WriterTo) error {
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cmd := exec.Command(sendmail, "-t")
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cmd.Stdout = os.Stdout
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cmd.Stderr = os.Stderr
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pw, err := cmd.StdinPipe()
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if err != nil {
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return err
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}
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err = cmd.Start()
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if err != nil {
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return err
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}
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if _, err = msg.WriteTo(pw); err != nil {
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return err
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}
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if err = pw.Close(); err != nil {
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return err
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}
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if err = cmd.Wait(); err != nil {
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return err
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}
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return nil
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}
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@ -31,6 +31,7 @@
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package utils
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// mailHTMLTpl is the HTML template used for email.
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const mailHTMLTpl = `
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<!DOCTYPE html>
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<html lang="{{ .Lang }}">
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@ -163,8 +164,9 @@ const mailHTMLTpl = `
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</body>
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</html>`
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// mailHTMLTpl is the template used for text emails.
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const mailTXTTpl = `{{ .Content }}
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--
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--
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Fred - customer support @ happyDNS
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Legal notice: https://www.happydns.org/en/legal-notice/`
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@ -37,6 +37,7 @@ import (
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"strings"
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)
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// GeneratePassword randomly generates a secure 12 chars long password.
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func GeneratePassword() (password string, err error) {
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// This will make a 12 chars long password
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b := make([]byte, 9)
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