1 files changed, 87 insertions, 0 deletions
diff --git a/modules/log/smtp.go b/modules/log/smtp.go
new file mode 100644
index 00000000..0a10e56a
--- /dev/null
+++ b/modules/log/smtp.go
@@ -0,0 +1,87 @@
+// Copyright 2014 The Gogs Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package log
+
+import (
+	"encoding/json"
+	"fmt"
+	"net/smtp"
+	"strings"
+	"time"
+)
+
+const (
+	subjectPhrase = "Diagnostic message from server"
+)
+
+// smtpWriter implements LoggerInterface and is used to send emails via given SMTP-server.
+type SmtpWriter struct {
+	Username           string   `json:"Username"`
+	Password           string   `json:"password"`
+	Host               string   `json:"Host"`
+	Subject            string   `json:"subject"`
+	RecipientAddresses []string `json:"sendTos"`
+	Level              int      `json:"level"`
+}
+
+// create smtp writer.
+func NewSmtpWriter() LoggerInterface {
+	return &SmtpWriter{Level: TRACE}
+}
+
+// init smtp writer with json config.
+// config like:
+//	{
+//		"Username":"example@gmail.com",
+//		"password:"password",
+//		"host":"smtp.gmail.com:465",
+//		"subject":"email title",
+//		"sendTos":["email1","email2"],
+//		"level":LevelError
+//	}
+func (sw *SmtpWriter) Init(jsonconfig string) error {
+	return json.Unmarshal([]byte(jsonconfig), sw)
+}
+
+// write message in smtp writer.
+// it will send an email with subject and only this message.
+func (s *SmtpWriter) WriteMsg(msg string, skip, level int) error {
+	if level < s.Level {
+		return nil
+	}
+
+	hp := strings.Split(s.Host, ":")
+
+	// Set up authentication information.
+	auth := smtp.PlainAuth(
+		"",
+		s.Username,
+		s.Password,
+		hp[0],
+	)
+	// Connect to the server, authenticate, set the sender and recipient,
+	// and send the email all in one step.
+	content_type := "Content-Type: text/plain" + "; charset=UTF-8"
+	mailmsg := []byte("To: " + strings.Join(s.RecipientAddresses, ";") + "\r\nFrom: " + s.Username + "<" + s.Username +
+		">\r\nSubject: " + s.Subject + "\r\n" + content_type + "\r\n\r\n" + fmt.Sprintf(".%s", time.Now().Format("2006-01-02 15:04:05")) + msg)
+
+	return smtp.SendMail(
+		s.Host,
+		auth,
+		s.Username,
+		s.RecipientAddresses,
+		mailmsg,
+	)
+}
+
+func (_ *SmtpWriter) Flush() {
+}
+
+func (_ *SmtpWriter) Destroy() {
+}
+
+func init() {
+	Register("smtp", NewSmtpWriter)
+}