mirror of
https://github.com/crazy-max/diun.git
synced 2026-01-04 03:55:00 +01:00
133 lines
3.5 KiB
Go
133 lines
3.5 KiB
Go
package mail
|
|
|
|
import (
|
|
"crypto/tls"
|
|
"fmt"
|
|
"time"
|
|
|
|
"github.com/crazy-max/diun/v4/internal/model"
|
|
"github.com/crazy-max/diun/v4/internal/msg"
|
|
"github.com/crazy-max/diun/v4/internal/notif/notifier"
|
|
"github.com/crazy-max/diun/v4/pkg/utl"
|
|
"github.com/go-gomail/gomail"
|
|
"github.com/matcornic/hermes/v2"
|
|
"github.com/rs/zerolog/log"
|
|
)
|
|
|
|
// Client represents an active mail notification object
|
|
type Client struct {
|
|
*notifier.Notifier
|
|
cfg *model.NotifMail
|
|
meta model.Meta
|
|
}
|
|
|
|
const customTpl = `Docker tag {{ if .Entry.Image.HubLink }}[**{{ .Entry.Image }}**]({{ .Entry.Image.HubLink }}){{ else }}**{{ .Entry.Image }}**{{ end }}
|
|
which you subscribed to through {{ .Entry.Provider }} provider has been {{ if (eq .Entry.Status "new") }}newly added{{ else }}updated{{ end }}
|
|
on {{ .Meta.Hostname }}.
|
|
|
|
This image has been {{ if (eq .Entry.Status "new") }}created{{ else }}updated{{ end }} at
|
|
<code>{{ .Entry.Manifest.Created.Format "Jan 02, 2006 15:04:05 UTC" }}</code> with digest <code>{{ .Entry.Manifest.Digest }}</code>
|
|
for <code>{{ .Entry.Manifest.Platform }}</code> platform.
|
|
|
|
Need help, or have questions? Go to {{ .Meta.URL }} and leave an issue.`
|
|
|
|
// New creates a new mail notification instance
|
|
func New(config *model.NotifMail, meta model.Meta) notifier.Notifier {
|
|
return notifier.Notifier{
|
|
Handler: &Client{
|
|
cfg: config,
|
|
meta: meta,
|
|
},
|
|
}
|
|
}
|
|
|
|
// Name returns notifier's name
|
|
func (c *Client) Name() string {
|
|
return "mail"
|
|
}
|
|
|
|
// Send creates and sends an email notification with an entry
|
|
func (c *Client) Send(entry model.NotifEntry) error {
|
|
h := hermes.Hermes{
|
|
Theme: new(Theme),
|
|
Product: hermes.Product{
|
|
Name: c.meta.Name,
|
|
Link: c.meta.URL,
|
|
Logo: c.meta.Logo,
|
|
Copyright: fmt.Sprintf("%s © %d %s %s",
|
|
c.meta.Author,
|
|
time.Now().Year(),
|
|
c.meta.Name,
|
|
c.meta.Version),
|
|
},
|
|
}
|
|
|
|
message, err := msg.New(msg.Options{
|
|
Meta: c.meta,
|
|
Entry: entry,
|
|
})
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
title, text, err := message.RenderMarkdownTemplate(customTpl)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
email := hermes.Email{
|
|
Body: hermes.Body{
|
|
Title: fmt.Sprintf("%s 🔔 notification", c.meta.Name),
|
|
FreeMarkdown: hermes.Markdown(text),
|
|
Signature: "Thanks for your support!",
|
|
},
|
|
}
|
|
|
|
// Generate an HTML email with the provided contents (for modern clients)
|
|
htmlpart, err := h.GenerateHTML(email)
|
|
if err != nil {
|
|
return fmt.Errorf("hermes: %v", err)
|
|
}
|
|
|
|
// Generate the plaintext version of the e-mail (for clients that do not support xHTML)
|
|
textpart, err := h.GeneratePlainText(email)
|
|
if err != nil {
|
|
return fmt.Errorf("hermes: %v", err)
|
|
}
|
|
|
|
msg := gomail.NewMessage()
|
|
msg.SetHeader("From", fmt.Sprintf("%s <%s>", c.meta.Name, c.cfg.From))
|
|
msg.SetHeader("To", c.cfg.To)
|
|
msg.SetHeader("Subject", title)
|
|
msg.SetBody("text/plain", textpart)
|
|
msg.AddAlternative("text/html", htmlpart)
|
|
|
|
var tlsConfig *tls.Config
|
|
if *c.cfg.InsecureSkipVerify {
|
|
tlsConfig = &tls.Config{
|
|
InsecureSkipVerify: *c.cfg.InsecureSkipVerify,
|
|
}
|
|
}
|
|
|
|
username, err := utl.GetSecret(c.cfg.Username, c.cfg.UsernameFile)
|
|
if err != nil {
|
|
log.Warn().Err(err).Msg("Cannot retrieve username secret for mail notifier")
|
|
}
|
|
password, err := utl.GetSecret(c.cfg.Password, c.cfg.PasswordFile)
|
|
if err != nil {
|
|
log.Warn().Err(err).Msg("Cannot retrieve password secret for mail notifier")
|
|
}
|
|
|
|
dialer := &gomail.Dialer{
|
|
Host: c.cfg.Host,
|
|
Port: c.cfg.Port,
|
|
Username: username,
|
|
Password: password,
|
|
SSL: *c.cfg.SSL,
|
|
TLSConfig: tlsConfig,
|
|
LocalName: c.cfg.LocalName,
|
|
}
|
|
|
|
return dialer.DialAndSend(msg)
|
|
}
|