mirror of
https://gitee.com/johng/gf
synced 2026-07-04 13:02:36 +08:00
85 lines
2.3 KiB
Go
85 lines
2.3 KiB
Go
// Copyright 2017 gf Author(https://gitee.com/johng/gf). All Rights Reserved.
|
|
//
|
|
// This Source Code Form is subject to the terms of the MIT License.
|
|
// If a copy of the MIT was not distributed with this file,
|
|
// You can obtain one at https://gitee.com/johng/gf.
|
|
|
|
// SMTP
|
|
package gsmtp
|
|
|
|
import (
|
|
"encoding/base64"
|
|
"fmt"
|
|
"net/smtp"
|
|
"strings"
|
|
)
|
|
|
|
// 示例：
|
|
// s := smtp.New("smtp.exmail.qq.com:25", "notify@a.com", "password")
|
|
// glog.Println(s.SendMail("notify@a.com", "ulric@b.com;rain@c.com", "这是subject", "这是body,<font color=red>red</font>"))
|
|
|
|
type Smtp struct {
|
|
Address string
|
|
Username string
|
|
Password string
|
|
}
|
|
|
|
func New(address, username, password string) *Smtp {
|
|
return &Smtp{
|
|
Address: address,
|
|
Username: username,
|
|
Password: password,
|
|
}
|
|
}
|
|
|
|
func (this *Smtp) SendMail(from, tos, subject, body string, contentType ...string) error {
|
|
if this.Address == "" {
|
|
return fmt.Errorf("address is necessary")
|
|
}
|
|
|
|
hp := strings.Split(this.Address, ":")
|
|
if len(hp) != 2 {
|
|
return fmt.Errorf("address format error")
|
|
}
|
|
|
|
arr := strings.Split(tos, ";")
|
|
count := len(arr)
|
|
safeArr := make([]string, 0, count)
|
|
for i := 0; i < count; i++ {
|
|
if arr[i] == "" {
|
|
continue
|
|
}
|
|
safeArr = append(safeArr, arr[i])
|
|
}
|
|
|
|
if len(safeArr) == 0 {
|
|
return fmt.Errorf("tos invalid")
|
|
}
|
|
|
|
tos = strings.Join(safeArr, ";")
|
|
|
|
b64 := base64.NewEncoding("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/")
|
|
|
|
header := make(map[string]string)
|
|
header["From"] = from
|
|
header["To"] = tos
|
|
header["Subject"] = fmt.Sprintf("=?UTF-8?B?%s?=", b64.EncodeToString([]byte(subject)))
|
|
header["MIME-Version"] = "1.0"
|
|
|
|
ct := "text/plain; charset=UTF-8"
|
|
if len(contentType) > 0 && contentType[0] == "html" {
|
|
ct = "text/html; charset=UTF-8"
|
|
}
|
|
|
|
header["Content-Type"] = ct
|
|
header["Content-Transfer-Encoding"] = "base64"
|
|
|
|
message := ""
|
|
for k, v := range header {
|
|
message += fmt.Sprintf("%s: %s\r\n", k, v)
|
|
}
|
|
message += "\r\n" + b64.EncodeToString([]byte(body))
|
|
|
|
auth := smtp.PlainAuth("", this.Username, this.Password, hp[0])
|
|
return smtp.SendMail(this.Address, auth, from, strings.Split(tos, ";"), []byte(message))
|
|
} |