forked from mystiq/dex
84 lines
1.7 KiB
Go
84 lines
1.7 KiB
Go
package email
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import (
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"encoding/json"
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"errors"
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"gopkg.in/gomail.v2"
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)
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const (
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SmtpEmailerType = "smtp"
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)
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func init() {
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RegisterEmailerConfigType(SmtpEmailerType, func() EmailerConfig { return &SmtpEmailerConfig{} })
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}
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type SmtpEmailerConfig struct {
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Host string `json:"host"`
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Port int `json:"port"`
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Auth string `json:"auth"`
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Username string `json:"username"`
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Password string `json:"password"`
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}
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func (cfg SmtpEmailerConfig) EmailerType() string {
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return SmtpEmailerType
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}
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func (cfg SmtpEmailerConfig) EmailerID() string {
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return SmtpEmailerType
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}
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func (cfg SmtpEmailerConfig) Emailer() (Emailer, error) {
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var dialer *gomail.Dialer
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if cfg.Auth == "plain" {
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dialer = gomail.NewPlainDialer(cfg.Host, cfg.Port, cfg.Username, cfg.Password)
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} else {
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dialer = &gomail.Dialer{
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Host: cfg.Host,
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Port: cfg.Port,
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}
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}
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return &smtpEmailer{
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dialer: dialer,
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}, nil
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}
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type smtpEmailerConfig SmtpEmailerConfig
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func (cfg *SmtpEmailerConfig) UnmarshalJSON(data []byte) error {
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smtpCfg := smtpEmailerConfig{}
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err := json.Unmarshal(data, &smtpCfg)
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if err != nil {
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return err
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}
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if smtpCfg.Host == "" {
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return errors.New("must set SMTP host")
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}
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if smtpCfg.Port == 0 {
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return errors.New("must set SMTP port")
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}
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*cfg = SmtpEmailerConfig(smtpCfg)
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return nil
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}
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type smtpEmailer struct {
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dialer *gomail.Dialer
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}
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func (emailer *smtpEmailer) SendMail(from, subject, text, html string, to ...string) error {
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msg := gomail.NewMessage()
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msg.SetHeader("From", from)
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msg.SetHeader("To", to...)
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msg.SetHeader("Subject", subject)
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msg.SetBody("text/plain", text)
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msg.SetBody("text/html", html)
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err := emailer.dialer.DialAndSend(msg)
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if err != nil {
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counterEmailSendErr.Add(1)
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return err
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}
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return nil
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}
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