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package server_test
import (
"bufio"
"crypto/tls"
"io"
"net"
"strings"
"testing"
"github.com/emersion/go-imap/internal"
"github.com/emersion/go-imap/server"
)
func testServerTLS(t *testing.T) (s *server.Server, c net.Conn, scanner *bufio.Scanner) {
s, c, scanner = testServerGreeted(t)
cert, err := tls.X509KeyPair(internal.LocalhostCert, internal.LocalhostKey)
if err != nil {
t.Fatal(err)
}
tlsConfig := &tls.Config{
InsecureSkipVerify: true,
Certificates: []tls.Certificate{cert},
}
s.AllowInsecureAuth = false
s.TLSConfig = tlsConfig
io.WriteString(c, "a001 CAPABILITY\r\n")
scanner.Scan()
if scanner.Text() != "* CAPABILITY IMAP4rev1 "+builtinExtensions+" STARTTLS LOGINDISABLED" {
t.Fatal("Bad CAPABILITY response:", scanner.Text())
}
scanner.Scan()
if !strings.HasPrefix(scanner.Text(), "a001 OK ") {
t.Fatal("Bad status response:", scanner.Text())
}
io.WriteString(c, "a001 STARTTLS\r\n")
scanner.Scan()
if !strings.HasPrefix(scanner.Text(), "a001 OK ") {
t.Fatal("Bad status response:", scanner.Text())
}
sc := tls.Client(c, tlsConfig)
if err = sc.Handshake(); err != nil {
t.Fatal(err)
}
c = sc
scanner = bufio.NewScanner(c)
return
}
func TestStartTLS(t *testing.T) {
s, c, scanner := testServerTLS(t)
defer s.Close()
defer c.Close()
io.WriteString(c, "a001 CAPABILITY\r\n")
scanner.Scan()
if scanner.Text() != "* CAPABILITY IMAP4rev1 "+builtinExtensions+" AUTH=PLAIN" {
t.Fatal("Bad CAPABILITY response:", scanner.Text())
}
}
func TestStartTLS_AlreadyEnabled(t *testing.T) {
s, c, scanner := testServerTLS(t)
defer s.Close()
defer c.Close()
io.WriteString(c, "a001 STARTTLS\r\n")
scanner.Scan()
if !strings.HasPrefix(scanner.Text(), "a001 NO ") {
t.Fatal("Bad status response:", scanner.Text())
}
}
func TestStartTLS_NotSupported(t *testing.T) {
s, c, scanner := testServerGreeted(t)
defer s.Close()
defer c.Close()
io.WriteString(c, "a001 STARTTLS\r\n")
scanner.Scan()
if !strings.HasPrefix(scanner.Text(), "a001 NO ") {
t.Fatal("Bad status response:", scanner.Text())
}
}
func TestLogin_Ok(t *testing.T) {
s, c, scanner := testServerGreeted(t)
defer s.Close()
defer c.Close()
io.WriteString(c, "a001 LOGIN username password\r\n")
scanner.Scan()
if !strings.HasPrefix(scanner.Text(), "a001 OK ") {
t.Fatal("Bad status response:", scanner.Text())
}
}
func TestLogin_AlreadyAuthenticated(t *testing.T) {
s, c, scanner := testServerGreeted(t)
defer s.Close()
defer c.Close()
io.WriteString(c, "a001 LOGIN username password\r\n")
scanner.Scan()
if !strings.HasPrefix(scanner.Text(), "a001 OK ") {
t.Fatal("Bad status response:", scanner.Text())
}
io.WriteString(c, "a001 LOGIN username password\r\n")
scanner.Scan()
if !strings.HasPrefix(scanner.Text(), "a001 NO ") {
t.Fatal("Bad status response:", scanner.Text())
}
}
func TestLogin_No(t *testing.T) {
s, c, scanner := testServerGreeted(t)
defer s.Close()
defer c.Close()
io.WriteString(c, "a001 LOGIN username wrongpassword\r\n")
scanner.Scan()
if !strings.HasPrefix(scanner.Text(), "a001 NO ") {
t.Fatal("Bad status response:", scanner.Text())
}
}
func TestAuthenticate_Plain_Ok(t *testing.T) {
s, c, scanner := testServerGreeted(t)
defer s.Close()
defer c.Close()
io.WriteString(c, "a001 AUTHENTICATE PLAIN\r\n")
scanner.Scan()
if scanner.Text() != "+" {
t.Fatal("Bad continuation request:", scanner.Text())
}
// :usename:password
io.WriteString(c, "AHVzZXJuYW1lAHBhc3N3b3Jk\r\n")
scanner.Scan()
if !strings.HasPrefix(scanner.Text(), "a001 OK ") {
t.Fatal("Bad status response:", scanner.Text())
}
}
func TestAuthenticate_Plain_Cancel(t *testing.T) {
s, c, scanner := testServerGreeted(t)
defer s.Close()
defer c.Close()
io.WriteString(c, "a001 AUTHENTICATE PLAIN\r\n")
scanner.Scan()
if scanner.Text() != "+" {
t.Fatal("Bad continuation request:", scanner.Text())
}
io.WriteString(c, "*\r\n")
scanner.Scan()
if !strings.HasPrefix(scanner.Text(), "a001 BAD negotiation cancelled") {
t.Fatal("Bad status response:", scanner.Text())
}
}
func TestAuthenticate_Plain_InitialResponse(t *testing.T) {
s, c, scanner := testServerGreeted(t)
defer s.Close()
defer c.Close()
io.WriteString(c, "a001 AUTHENTICATE PLAIN AHVzZXJuYW1lAHBhc3N3b3Jk\r\n")
scanner.Scan()
if !strings.HasPrefix(scanner.Text(), "a001 OK ") {
t.Fatal("Bad status response:", scanner.Text())
}
}
func TestAuthenticate_Plain_No(t *testing.T) {
s, c, scanner := testServerGreeted(t)
defer s.Close()
defer c.Close()
io.WriteString(c, "a001 AUTHENTICATE PLAIN\r\n")
scanner.Scan()
if scanner.Text() != "+" {
t.Fatal("Bad continuation request:", scanner.Text())
}
// Invalid challenge
io.WriteString(c, "BHVzZXJuYW1lAHBhc3N3b6Jk\r\n")
scanner.Scan()
if !strings.HasPrefix(scanner.Text(), "a001 NO ") {
t.Fatal("Bad status response:", scanner.Text())
}
}
func TestAuthenticate_No(t *testing.T) {
s, c, scanner := testServerGreeted(t)
defer s.Close()
defer c.Close()
io.WriteString(c, "a001 AUTHENTICATE XIDONTEXIST\r\n")
scanner.Scan()
if !strings.HasPrefix(scanner.Text(), "a001 NO ") {
t.Fatal("Bad status response:", scanner.Text())
}
}
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