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package emails
import (
"fmt"
"net/smtp"
"shrine/config"
"shrine/messages"
"strconv"
"github.com/flosch/pongo2/v6"
)
var (
activationTemplate *pongo2.Template
disabledTemplate *pongo2.Template
bannedTemplate *pongo2.Template
)
func init() {
var err error
activationTemplate, err = pongo2.FromFile("templates/activation.html")
if err != nil {
panic(fmt.Sprintf(messages.FailedLoadTemplate, "activation", err))
}
disabledTemplate, err = pongo2.FromFile("templates/account_disabled.html")
if err != nil {
panic(fmt.Sprintf(messages.FailedLoadTemplate, "disabled", err))
}
bannedTemplate, err = pongo2.FromFile("templates/account_banned.html")
if err != nil {
panic(fmt.Sprintf(messages.FailedLoadTemplate, "banned", err))
}
}
func Send(to string, subject string, html string) error {
addr := config.SMTP.Host + ":" + strconv.Itoa(config.SMTP.Port)
headers := fmt.Sprintf(
"From: %s\r\nTo: %s\r\nSubject: %s\r\nMIME-Version: 1.0\r\nContent-Type: text/html; charset=UTF-8\r\n\r\n",
config.SMTP.From,
to,
subject,
)
var auth smtp.Auth
if config.SMTP.Username != "" {
auth = smtp.PlainAuth("", config.SMTP.Username, config.SMTP.Password, config.SMTP.Host)
}
return smtp.SendMail(addr, auth, config.SMTP.From, []string{to}, []byte(headers+html))
}
func SendActivation(to string, username string, token string) error {
link := config.SMTP.FrontendURL + "/account/verify?token=" + token
html, err := activationTemplate.Execute(pongo2.Context{
"username": username,
"verification_link": link,
})
if err != nil {
return err
}
return Send(to, messages.EmailSubjectVerify, html)
}
func SendDisabledNotification(to string, username string, reason string, disabledUntil string) error {
html, err := disabledTemplate.Execute(pongo2.Context{
"username": username,
"reason": reason,
"disabled_until": disabledUntil,
})
if err != nil {
return err
}
return Send(to, messages.EmailSubjectDisabled, html)
}
func SendBannedNotification(to string, username string, reason string) error {
html, err := bannedTemplate.Execute(pongo2.Context{
"username": username,
"reason": reason,
})
if err != nil {
return err
}
return Send(to, messages.EmailSubjectBanned, html)
}
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