68 lines
1.7 KiB
Go
68 lines
1.7 KiB
Go
// This package wraps around the stdlib's smtp client implementation, allowing
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// for easily sending emails. This package should be used alongside the "views"
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// package, to generate an HTML template for use in an email.
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package snailmail
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import (
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"bytes"
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"encoding/base64"
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"fmt"
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"log"
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"mime"
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"net/mail"
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"net/smtp"
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"maxwarden/config"
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"strings"
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"time"
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)
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const (
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TYPE_TEXT = iota
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TYPE_HTML = iota
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)
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type Email struct {
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Recipients []string
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Subject string
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Body *bytes.Buffer
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}
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func SendMail(message Email, mailtype int) error {
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recipientString := strings.Join(message.Recipients, ",")
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from := mail.Address{Name: config.GetConfig().SmtpDisplayFrom, Address: config.GetConfig().SmtpUsername}
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header := make(map[string]string)
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header["To"] = recipientString
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header["From"] = from.String()
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header["Subject"] = mime.QEncoding.Encode("UTF-8", message.Subject)
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header["MIME-Version"] = "1.0"
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header["Content-Transfer-Encoding"] = "base64"
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header["Date"] = time.Now().Format(time.RFC1123)
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if mailtype == TYPE_HTML {
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header["Content-Type"] = "text/html; charset=\"utf-8\""
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} else {
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header["Content-Type"] = "text/plain; charset=\"utf-8\""
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}
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email := ""
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for k, v := range header {
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email += fmt.Sprintf("%s: %s\r\n", k, v)
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}
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email += "\r\n" + base64.StdEncoding.EncodeToString(message.Body.Bytes())
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var auth smtp.Auth = nil
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if config.GetConfig().SmtpRequireAuth {
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auth = smtp.PlainAuth("", config.GetConfig().SmtpUsername, config.GetConfig().SmtpPassword, config.GetConfig().SmtpServer)
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}
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err := smtp.SendMail(config.GetConfig().SmtpServer+":"+config.GetConfig().SmtpPort, auth, config.GetConfig().SmtpUsername, message.Recipients, []byte(email))
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if err != nil {
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log.Println(err)
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return err
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}
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return nil
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}
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