10-Email-Support add sendmail function

config.yml.sample

@@ -3,4 +3,10 @@ mysql:
   db: dbname
   host: localhost
   password: password
-  user: root
+  user: root
+mail:
+  smtp: smtp-server
+  smtp-port: 587
+  user: user
+  password: pwd
+

config/g.go

@@ -34,3 +34,12 @@ func GetMysqlConnectingString() string {
 
 	return fmt.Sprintf("%s:%s@tcp(%s:3306)/%s?charset=%s&parseTime=true&loc=Local", usr, pwd, host, db, charset)
 }
+
+// GetSMTPConfig func
+func GetSMTPConfig() (server string, port int, user, pwd string) {
+	server = viper.GetString("mail.smtp")
+	port = viper.GetInt("mail.smtp-port")
+	user = viper.GetString("mail.user")
+	pwd = viper.GetString("mail.password")
+	return
+}

controller/utils.go

@@ -1,16 +1,20 @@
 package controller
 
 import (
+	"crypto/tls"
 	"errors"
 	"fmt"
 	"html/template"
 	"io/ioutil"
+	"log"
 	"net/http"
 	"os"
 	"regexp"
 	"strconv"
 
+	"github.com/bonfy/go-mega-code/config"
 	"github.com/bonfy/go-mega-code/vm"
+	gomail "gopkg.in/gomail.v2"
 )
 
 // PopulateTemplates func
@@ -209,3 +213,24 @@ func getPage(r *http.Request) int {
 	}
 	return page
 }
+
+// Email
+
+// sendEmail func
+func sendEmail(target, subject, content string) {
+	server, port, usr, pwd := config.GetSMTPConfig()
+	d := gomail.NewDialer(server, port, usr, pwd)
+	d.TLSConfig = &tls.Config{InsecureSkipVerify: true}
+
+	m := gomail.NewMessage()
+	m.SetHeader("From", usr)
+	m.SetHeader("To", target)
+	m.SetAddressHeader("Cc", usr, "admin")
+	m.SetHeader("Subject", subject)
+	m.SetBody("text/html", content)
+
+	if err := d.DialAndSend(m); err != nil {
+		log.Println("Email Error:", err)
+		return
+	}
+}