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package client
import (
"crypto/tls"
"io"
"testing"
"github.com/emersion/go-imap"
"github.com/emersion/go-imap/internal"
"github.com/emersion/go-sasl"
)
func TestClient_StartTLS(t *testing.T) {
c, s := newTestClient(t)
defer s.Close()
cert, err := tls.X509KeyPair(internal.LocalhostCert, internal.LocalhostKey)
if err != nil {
t.Fatal("cannot load test certificate:", err)
}
tlsConfig := &tls.Config{
InsecureSkipVerify: true,
Certificates: []tls.Certificate{cert},
}
if c.IsTLS() {
t.Fatal("Client has TLS enabled before STARTTLS")
}
if ok, err := c.SupportStartTLS(); err != nil {
t.Fatalf("c.SupportStartTLS() = %v", err)
} else if !ok {
t.Fatalf("c.SupportStartTLS() = %v, want true", ok)
}
done := make(chan error, 1)
go func() {
done <- c.StartTLS(tlsConfig)
}()
tag, cmd := s.ScanCmd()
if cmd != "STARTTLS" {
t.Fatalf("client sent command %v, want STARTTLS", cmd)
}
s.WriteString(tag + " OK Begin TLS negotiation now\r\n")
ss := tls.Server(s.Conn, tlsConfig)
if err := ss.Handshake(); err != nil {
t.Fatal("cannot perform TLS handshake:", err)
}
if err := <-done; err != nil {
t.Error("c.StartTLS() =", err)
}
if !c.IsTLS() {
t.Errorf("Client has not TLS enabled after STARTTLS")
}
go func() {
_, err := c.Capability()
done <- err
}()
tag, cmd = newCmdScanner(ss).ScanCmd()
if cmd != "CAPABILITY" {
t.Fatalf("client sent command %v, want CAPABILITY", cmd)
}
io.WriteString(ss, "* CAPABILITY IMAP4rev1 AUTH=PLAIN\r\n")
io.WriteString(ss, tag+" OK CAPABILITY completed.\r\n")
}
func TestClient_Authenticate(t *testing.T) {
c, s := newTestClient(t)
defer s.Close()
if ok, err := c.SupportAuth(sasl.Plain); err != nil {
t.Fatalf("c.SupportAuth(sasl.Plain) = %v", err)
} else if !ok {
t.Fatalf("c.SupportAuth(sasl.Plain) = %v, want true", ok)
}
sasl := sasl.NewPlainClient("", "username", "password")
done := make(chan error, 1)
go func() {
done <- c.Authenticate(sasl)
}()
tag, cmd := s.ScanCmd()
if cmd != "AUTHENTICATE PLAIN" {
t.Fatalf("client sent command %v, want AUTHENTICATE PLAIN", cmd)
}
s.WriteString("+ \r\n")
wantLine := "AHVzZXJuYW1lAHBhc3N3b3Jk"
if line := s.ScanLine(); line != wantLine {
t.Fatalf("client sent auth %v, want %v", line, wantLine)
}
s.WriteString(tag + " OK AUTHENTICATE completed\r\n")
if err := <-done; err != nil {
t.Fatalf("c.Authenticate() = %v", err)
}
if state := c.State(); state != imap.AuthenticatedState {
t.Errorf("c.State() = %v, want %v", state, imap.AuthenticatedState)
}
}
func TestClient_Authenticate_InitialResponse(t *testing.T) {
c, s := newTestClientWithGreeting(t, "* OK [CAPABILITY IMAP4rev1 SASL-IR STARTTLS AUTH=PLAIN] Server ready.\r\n")
defer s.Close()
if ok, err := c.SupportAuth(sasl.Plain); err != nil {
t.Fatalf("c.SupportAuth(sasl.Plain) = %v", err)
} else if !ok {
t.Fatalf("c.SupportAuth(sasl.Plain) = %v, want true", ok)
}
sasl := sasl.NewPlainClient("", "username", "password")
done := make(chan error, 1)
go func() {
done <- c.Authenticate(sasl)
}()
tag, cmd := s.ScanCmd()
if cmd != "AUTHENTICATE PLAIN AHVzZXJuYW1lAHBhc3N3b3Jk" {
t.Fatalf("client sent command %v, want AUTHENTICATE PLAIN AHVzZXJuYW1lAHBhc3N3b3Jk", cmd)
}
s.WriteString(tag + " OK AUTHENTICATE completed\r\n")
if err := <-done; err != nil {
t.Fatalf("c.Authenticate() = %v", err)
}
if state := c.State(); state != imap.AuthenticatedState {
t.Errorf("c.State() = %v, want %v", state, imap.AuthenticatedState)
}
}
func TestClient_Login_Success(t *testing.T) {
c, s := newTestClient(t)
defer s.Close()
done := make(chan error, 1)
go func() {
done <- c.Login("username", "password")
}()
tag, cmd := s.ScanCmd()
if cmd != "LOGIN \"username\" \"password\"" {
t.Fatalf("client sent command %v, want LOGIN username password", cmd)
}
s.WriteString(tag + " OK LOGIN completed\r\n")
if err := <-done; err != nil {
t.Fatalf("c.Login() = %v", err)
}
if state := c.State(); state != imap.AuthenticatedState {
t.Errorf("c.State() = %v, want %v", state, imap.AuthenticatedState)
}
}
func TestClient_Login_8bitSync(t *testing.T) {
c, s := newTestClientWithGreeting(t, "* OK [CAPABILITY IMAP4rev1 SASL-IR STARTTLS AUTH=PLAIN] Server ready.\r\n")
defer s.Close()
// Use of UTF-8 will force go-imap to send password in literal.
done := make(chan error, 1)
go func() {
done <- c.Login("username", "пароль")
}()
tag, cmd := s.ScanCmd()
if cmd != "LOGIN \"username\" {12}" {
t.Fatalf("client sent command %v, want LOGIN \"username\" {12}", cmd)
}
s.WriteString("+ send literal\r\n")
pass := s.ScanLine()
if pass != "пароль" {
t.Fatalf("client sent %v, want {12}'пароль' literal", pass)
}
s.WriteString(tag + " OK LOGIN completed\r\n")
if err := <-done; err != nil {
t.Fatalf("c.Login() = %v", err)
}
if state := c.State(); state != imap.AuthenticatedState {
t.Errorf("c.State() = %v, want %v", state, imap.AuthenticatedState)
}
}
func TestClient_Login_8bitNonSync(t *testing.T) {
c, s := newTestClientWithGreeting(t, "* OK [CAPABILITY IMAP4rev1 LITERAL- SASL-IR STARTTLS AUTH=PLAIN] Server ready.\r\n")
defer s.Close()
// Use of UTF-8 will force go-imap to send password in literal.
done := make(chan error, 1)
go func() {
done <- c.Login("username", "пароль")
}()
tag, cmd := s.ScanCmd()
if cmd != "LOGIN \"username\" {12+}" {
t.Fatalf("client sent command %v, want LOGIN \"username\" {12+}", cmd)
}
pass := s.ScanLine()
if pass != "пароль" {
t.Fatalf("client sent %v, want {12+}'пароль' literal", pass)
}
s.WriteString(tag + " OK LOGIN completed\r\n")
if err := <-done; err != nil {
t.Fatalf("c.Login() = %v", err)
}
if state := c.State(); state != imap.AuthenticatedState {
t.Errorf("c.State() = %v, want %v", state, imap.AuthenticatedState)
}
}
func TestClient_Login_Error(t *testing.T) {
c, s := newTestClient(t)
defer s.Close()
done := make(chan error, 1)
go func() {
done <- c.Login("username", "password")
}()
tag, cmd := s.ScanCmd()
if cmd != "LOGIN \"username\" \"password\"" {
t.Fatalf("client sent command %v, want LOGIN username password", cmd)
}
s.WriteString(tag + " NO LOGIN incorrect\r\n")
if err := <-done; err == nil {
t.Fatal("c.Login() = nil, want LOGIN incorrect")
}
if state := c.State(); state != imap.NotAuthenticatedState {
t.Errorf("c.State() = %v, want %v", state, imap.NotAuthenticatedState)
}
}
func TestClient_Login_State_Allowed(t *testing.T) {
c, s := newTestClient(t)
defer s.Close()
done := make(chan error, 1)
go func() {
done <- c.Login("username", "password")
}()
tag, cmd := s.ScanCmd()
if cmd != "LOGIN \"username\" \"password\"" {
t.Fatalf("client sent command %v, want LOGIN \"username\" \"password\"", cmd)
}
s.WriteString(tag + " OK LOGIN completed\r\n")
if err := <-done; err != nil {
t.Fatalf("c.Login() = %v", err)
}
if state := c.State(); state != imap.AuthenticatedState {
t.Errorf("c.State() = %v, want %v", state, imap.AuthenticatedState)
}
go func() {
done <- c.Login("username", "password")
}()
if err := <-done; err != ErrAlreadyLoggedIn {
t.Fatalf("c.Login() = %v, want %v", err, ErrAlreadyLoggedIn)
}
go func() {
done <- c.Logout()
}()
s.ScanCmd()
s.WriteString("* BYE Client asked to close the connection.\r\n")
s.WriteString(tag + " OK LOGOUT completed\r\n")
if err := <-done; err != nil {
t.Fatalf("c.Logout() = %v", err)
}
if err := c.Login("username", "password"); err == ErrAlreadyLoggedIn {
t.Errorf("Client is logout, login must not give %v", ErrAlreadyLoggedIn)
}
}
|
