From d103ed6ca97ca5a2669f6cf5fe4b3d2a9c945f26 Mon Sep 17 00:00:00 2001
From: Christopher Speller <crspeller@gmail.com>
Date: Wed, 17 May 2017 16:51:25 -0400
Subject: Upgrading server dependancies (#6431)

---
 vendor/gopkg.in/gomail.v2/auth.go | 49 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 vendor/gopkg.in/gomail.v2/auth.go

(limited to 'vendor/gopkg.in/gomail.v2/auth.go')

diff --git a/vendor/gopkg.in/gomail.v2/auth.go b/vendor/gopkg.in/gomail.v2/auth.go
new file mode 100644
index 000000000..d28b83ab7
--- /dev/null
+++ b/vendor/gopkg.in/gomail.v2/auth.go
@@ -0,0 +1,49 @@
+package gomail
+
+import (
+	"bytes"
+	"errors"
+	"fmt"
+	"net/smtp"
+)
+
+// loginAuth is an smtp.Auth that implements the LOGIN authentication mechanism.
+type loginAuth struct {
+	username string
+	password string
+	host     string
+}
+
+func (a *loginAuth) Start(server *smtp.ServerInfo) (string, []byte, error) {
+	if !server.TLS {
+		advertised := false
+		for _, mechanism := range server.Auth {
+			if mechanism == "LOGIN" {
+				advertised = true
+				break
+			}
+		}
+		if !advertised {
+			return "", nil, errors.New("gomail: unencrypted connection")
+		}
+	}
+	if server.Name != a.host {
+		return "", nil, errors.New("gomail: wrong host name")
+	}
+	return "LOGIN", nil, nil
+}
+
+func (a *loginAuth) Next(fromServer []byte, more bool) ([]byte, error) {
+	if !more {
+		return nil, nil
+	}
+
+	switch {
+	case bytes.Equal(fromServer, []byte("Username:")):
+		return []byte(a.username), nil
+	case bytes.Equal(fromServer, []byte("Password:")):
+		return []byte(a.password), nil
+	default:
+		return nil, fmt.Errorf("gomail: unexpected server challenge: %s", fromServer)
+	}
+}
-- 
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