From d25215a7be8f1a60bdc6a1c06f15ea1613844fea Mon Sep 17 00:00:00 2001
From: linghaihui <75124771@qq.com>
Date: Wed, 29 Mar 2023 11:31:24 +0800
Subject: [PATCH] =?UTF-8?q?=E9=82=AE=E7=AE=B1=E7=9B=91=E6=8E=A7=E5=BC=82?=
 =?UTF-8?q?=E5=B8=B8=E9=80=80=E5=87=BA?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 wechatbot/bootstrap/bootstrap.go |  5 ++++-
 wechatbot/utils/send_mail.go     | 37 ++++++++++++++++++++++++++++++++
 2 files changed, 41 insertions(+), 1 deletion(-)
 create mode 100644 wechatbot/utils/send_mail.go

diff --git a/wechatbot/bootstrap/bootstrap.go b/wechatbot/bootstrap/bootstrap.go
index bd59cd1..b7ea463 100644
--- a/wechatbot/bootstrap/bootstrap.go
+++ b/wechatbot/bootstrap/bootstrap.go
@@ -4,6 +4,7 @@ import (
 	"log"
 
 	"github.com/bujnlc8/wechatbot/handlers"
+	"github.com/bujnlc8/wechatbot/utils"
 	"github.com/eatmoreapple/openwechat"
 )
 
@@ -27,5 +28,7 @@ func Run() {
 		}
 	}
 	// 阻塞主goroutine, 直到发生异常或者用户主动退出
-	bot.Block()
+	if err := bot.Block(); err != nil {
+		utils.SendSimpleEmail("[!]wechatbot异常退出", err.Error())
+	}
 }
diff --git a/wechatbot/utils/send_mail.go b/wechatbot/utils/send_mail.go
new file mode 100644
index 0000000..a4e57a5
--- /dev/null
+++ b/wechatbot/utils/send_mail.go
@@ -0,0 +1,37 @@
+package utils
+
+import (
+	"log"
+	"net/smtp"
+	"os"
+)
+
+const (
+	SMTP_SERVER = "smtp.qq.com"
+	SMTP_PORT   = "587"
+)
+
+// 用qq邮箱发送邮件，从New Bing写的代码修改而来
+func SendSimpleEmail(subject string, body string) {
+	sender := os.Getenv("EMAIL_SENDER")
+	passwd := os.Getenv("EMAIL_PASSWD")
+	recipient := os.Getenv("EMAIL_RECIPIENT")
+	if len(recipient) == 0 {
+		recipient = sender
+	}
+	auth := smtp.PlainAuth("", sender, passwd, SMTP_SERVER)
+	header := make(map[string]string)
+	header["To"] = recipient
+	header["From"] = sender
+	header["Subject"] = subject
+	headerStr := ""
+	for k, v := range header {
+		headerStr += k + ": " + v + "\r\n"
+	}
+	message := headerStr + "\r\n\r\n" + body
+	err := smtp.SendMail(SMTP_SERVER+":"+SMTP_PORT, auth, sender, []string{recipient}, []byte(message))
+	if err != nil {
+		log.Fatal(err)
+	}
+	log.Println("Email sent successfully")
+}