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feat: add the capability to send mail notifications
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
|
|
@@ -7,5 +7,19 @@ | |
| "backupdir": "C:", | ||
| "namespace": "", | ||
| "backup-id": "", | ||
| "pxarout": "" | ||
| "pxarout": "", | ||
| "smtp": { | ||
| "host": "smtp.example.com", | ||
| "port": "465", | ||
| "username": "[email protected]", | ||
| "password": "my-password", | ||
| "mails": [{ | ||
| "from": "[email protected]", | ||
| "to": "[email protected] | ||
| }, { | ||
| "from": "[email protected]", | ||
| "to": "[email protected] | ||
| }] | ||
|
|
||
| } | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,115 @@ | ||
| package main | ||
|
|
||
| import ( | ||
| "crypto/tls" | ||
| "errors" | ||
| "fmt" | ||
| "net/smtp" | ||
| ) | ||
|
|
||
| type unencryptedAuth struct { | ||
| smtp.Auth | ||
| } | ||
|
|
||
| func (a unencryptedAuth) Start(server *smtp.ServerInfo) (string, []byte, error) { | ||
| s := *server | ||
| s.TLS = true | ||
| return a.Auth.Start(&s) | ||
| } | ||
|
|
||
| func setupClient(host, port, username, password string, allowInsecure bool) (*smtp.Client, error) { | ||
| var auth smtp.Auth | ||
| auth = smtp.PlainAuth("", username, password, host) | ||
| if port == "25" { | ||
| if !allowInsecure { | ||
| return nil, errors.New("sending plain password over unencrypted connection") | ||
| } | ||
| auth = unencryptedAuth{auth} | ||
| } | ||
|
|
||
| var tlsconfig *tls.Config | ||
| if port != "25" { | ||
| // TLS config | ||
| tlsconfig = &tls.Config{ | ||
| InsecureSkipVerify: allowInsecure, | ||
| ServerName: host, | ||
| } | ||
| } | ||
|
|
||
| servername := host + ":" + port | ||
|
|
||
| var c *smtp.Client | ||
| var err error | ||
| if port == "465" { | ||
| // Here is the key, you need to call tls.Dial instead of smtp.Dial | ||
| // for smtp servers running on 465 that require an ssl connection | ||
| // from the very beginning (no starttls) | ||
| conn, err := tls.Dial("tcp", servername, tlsconfig) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| c, err = smtp.NewClient(conn, host) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| } else { | ||
| c, err = smtp.Dial(servername) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| if port == "587" { | ||
| c.StartTLS(tlsconfig) | ||
| } | ||
| } | ||
|
|
||
| // Auth | ||
| if err = c.Auth(auth); err != nil { | ||
| fmt.Println("here", err) | ||
| return nil, err | ||
| } | ||
|
|
||
| return c, nil | ||
| } | ||
|
|
||
| func sendMail(from, to, subject, body string, c *smtp.Client) error { | ||
| // Setup headers | ||
| headers := make(map[string]string) | ||
| headers["From"] = from | ||
| headers["To"] = to | ||
| headers["Subject"] = subject | ||
|
|
||
| // Setup message | ||
| message := "" | ||
| for k, v := range headers { | ||
| message += fmt.Sprintf("%s: %s\r\n", k, v) | ||
| } | ||
| message += "\r\n" + body | ||
|
|
||
| // To && From | ||
| if err := c.Mail(from); err != nil { | ||
| return err | ||
| } | ||
|
|
||
| if err := c.Rcpt(to); err != nil { | ||
| return err | ||
| } | ||
|
|
||
| // Data | ||
| w, err := c.Data() | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| _, err = w.Write([]byte(message)) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| err = w.Close() | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| return nil | ||
| } |
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