diff options
Diffstat (limited to 'vendor/gopkg.in/gomail.v2/auth.go')
-rw-r--r-- | vendor/gopkg.in/gomail.v2/auth.go | 49 |
1 files changed, 49 insertions, 0 deletions
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) + } +} |