88 lines
1.8 KiB
Go
88 lines
1.8 KiB
Go
package email
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import (
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"encoding/json"
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"errors"
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"expvar"
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"github.com/coreos/dex/pkg/log"
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mailgun "github.com/mailgun/mailgun-go"
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)
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const (
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MailgunEmailerType = "mailgun"
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)
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var (
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counterEmailSendErr = expvar.NewInt("mailgun.send.err")
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)
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func init() {
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RegisterEmailerConfigType(MailgunEmailerType, func() EmailerConfig { return &MailgunEmailerConfig{} })
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}
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type MailgunEmailerConfig struct {
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ID string `json:"id"`
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PrivateAPIKey string `json:"privateAPIKey"`
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PublicAPIKey string `json:"publicAPIKey"`
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Domain string `json:"domain"`
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}
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func (cfg MailgunEmailerConfig) EmailerType() string {
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return MailgunEmailerType
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}
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func (cfg MailgunEmailerConfig) EmailerID() string {
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return cfg.ID
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}
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func (cfg MailgunEmailerConfig) Emailer() (Emailer, error) {
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mg := mailgun.NewMailgun(cfg.Domain, cfg.PrivateAPIKey, cfg.PublicAPIKey)
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return &mailgunEmailer{
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mg: mg,
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}, nil
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}
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// mailgunEmailerConfig exists to avoid recusion.
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type mailgunEmailerConfig MailgunEmailerConfig
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func (cfg *MailgunEmailerConfig) UnmarshalJSON(data []byte) error {
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mgtmp := mailgunEmailerConfig{}
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err := json.Unmarshal(data, &mgtmp)
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if err != nil {
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return err
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}
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if mgtmp.PrivateAPIKey == "" {
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return errors.New("must have a privateAPIKey set")
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}
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if mgtmp.PublicAPIKey == "" {
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return errors.New("must have a publicAPIKey set")
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}
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if mgtmp.Domain == "" {
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return errors.New("must have a domain set")
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}
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*cfg = MailgunEmailerConfig(mgtmp)
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return nil
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}
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type mailgunEmailer struct {
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mg mailgun.Mailgun
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}
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func (m *mailgunEmailer) SendMail(from, subject, text, html string, to ...string) error {
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msg := m.mg.NewMessage(from, subject, text, to...)
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if html != "" {
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msg.SetHtml(html)
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}
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mes, id, err := m.mg.Send(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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log.Infof("SendMail: msgID: %v: %q", id, mes)
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return nil
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}
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