gotosocial/internal/email/sender.go

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/*
GoToSocial
Copyright (C) 2021 GoToSocial Authors admin@gotosocial.org
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package email
import (
"fmt"
"html/template"
"net/smtp"
"github.com/spf13/viper"
"github.com/superseriousbusiness/gotosocial/internal/config"
)
// Sender contains functions for sending emails to instance users/new signups.
type Sender interface {
// SendConfirmEmail sends a 'please confirm your email' style email to the given toAddress, with the given data.
SendConfirmEmail(toAddress string, data ConfirmData) error
// SendResetEmail sends a 'reset your password' style email to the given toAddress, with the given data.
SendResetEmail(toAddress string, data ResetData) error
}
// NewSender returns a new email Sender interface with the given configuration, or an error if something goes wrong.
func NewSender() (Sender, error) {
keys := config.Keys
templateBaseDir := viper.GetString(keys.WebTemplateBaseDir)
t, err := loadTemplates(templateBaseDir)
if err != nil {
return nil, err
}
username := viper.GetString(keys.SMTPUsername)
password := viper.GetString(keys.SMTPPassword)
host := viper.GetString(keys.SMTPHost)
port := viper.GetInt(keys.SMTPPort)
from := viper.GetString(keys.SMTPFrom)
return &sender{
hostAddress: fmt.Sprintf("%s:%d", host, port),
from: from,
auth: smtp.PlainAuth("", username, password, host),
template: t,
}, nil
}
type sender struct {
hostAddress string
from string
auth smtp.Auth
template *template.Template
}