update vendor

vendor/github.com/deepzz0/logd/mail.go

@@ -0,0 +1,80 @@
+package logd
+
+import (
+	"crypto/tls"
+	"fmt"
+	"net/smtp"
+	"strings"
+)
+
+type Emailer interface {
+	SendMail(fromname string, msg []byte) error
+}
+
+type Smtp struct {
+	From    string   // 发件箱：number@qq.com
+	Key     string   // 发件密钥：peerdmnoqirqbiaa
+	Host    string   // 主机地址：smtp.example.com
+	Port    string   // 主机端口：465
+	To      []string // 发送给：object@163.com
+	Subject string   // 标题：警告邮件[goblog]
+}
+
+func (s *Smtp) SendMail(fromname string, msg []byte) error {
+	// 新建连接
+	conn, err := tls.Dial("tcp", s.Host+":"+s.Port, nil)
+	if err != nil {
+		return err
+	}
+
+	// 新建客户端
+	client, err := smtp.NewClient(conn, s.Host)
+	if err != nil {
+		return err
+	}
+
+	// 获取授权
+	auth := smtp.PlainAuth("", s.From, s.Key, s.Host)
+	if err = client.Auth(auth); err != nil {
+		return err
+	}
+
+	// 向服务器发送MAIL命令
+	if err = client.Mail(s.From); err != nil {
+		return err
+	}
+
+	// 准备数据
+	str := fmt.Sprint(
+		"To:", strings.Join(s.To, ","),
+		"\r\nFrom:", fmt.Sprintf("%s<%s>", fromname, s.From),
+		"\r\nSubject:", s.Subject,
+		"\r\n", "Content-Type:text/plain;charset=UTF-8",
+		"\r\n\r\n",
+	)
+	data := make([]byte, len(str)+len(msg))
+	copy(data, []byte(str))
+	copy(data[len(str):], msg)
+
+	// RCPT
+	for _, d := range s.To {
+		if err := client.Rcpt(d); err != nil {
+			return err
+		}
+	}
+
+	// 获取WriteCloser
+	wc, err := client.Data()
+	if err != nil {
+		return err
+	}
+
+	// 写入数据
+	_, err = wc.Write(data)
+	if err != nil {
+		return err
+	}
+	wc.Close()
+
+	return client.Quit()
+}