mox/imapserver/authenticate_test.go
Mechiel Lukkien 020d0bb0fb
add scram-sha-256 for smtp
similar to imap. the code should be merged.
this also reads the abort-line after authentication failure.
2023-01-31 00:22:26 +01:00

115 lines
4.2 KiB
Go

package imapserver
import (
"encoding/base64"
"errors"
"strings"
"testing"
"github.com/mjl-/mox/scram"
)
func TestAuthenticatePlain(t *testing.T) {
tc := start(t)
tc.transactf("no", "authenticate bogus ")
tc.transactf("bad", "authenticate plain not base64...")
tc.transactf("no", "authenticate plain %s", base64.StdEncoding.EncodeToString([]byte("\u0000baduser\u0000badpass")))
tc.xcode("AUTHENTICATIONFAILED")
tc.transactf("no", "authenticate plain %s", base64.StdEncoding.EncodeToString([]byte("\u0000mjl@mox.example\u0000badpass")))
tc.xcode("AUTHENTICATIONFAILED")
tc.transactf("no", "authenticate plain %s", base64.StdEncoding.EncodeToString([]byte("\u0000mjl\u0000badpass"))) // Need email, not account.
tc.xcode("AUTHENTICATIONFAILED")
tc.transactf("no", "authenticate plain %s", base64.StdEncoding.EncodeToString([]byte("\u0000mjl@mox.example\u0000test")))
tc.xcode("AUTHENTICATIONFAILED")
tc.transactf("no", "authenticate plain %s", base64.StdEncoding.EncodeToString([]byte("\u0000mjl@mox.example\u0000testtesttest")))
tc.xcode("AUTHENTICATIONFAILED")
tc.transactf("bad", "authenticate plain %s", base64.StdEncoding.EncodeToString([]byte("\u0000")))
tc.xcode("")
tc.transactf("no", "authenticate plain %s", base64.StdEncoding.EncodeToString([]byte("other\u0000mjl@mox.example\u0000testtest")))
tc.xcode("AUTHORIZATIONFAILED")
tc.transactf("ok", "authenticate plain %s", base64.StdEncoding.EncodeToString([]byte("\u0000mjl@mox.example\u0000testtest")))
tc.close()
tc = start(t)
tc.transactf("ok", "authenticate plain %s", base64.StdEncoding.EncodeToString([]byte("mjl@mox.example\u0000mjl@mox.example\u0000testtest")))
tc.close()
tc = start(t)
tc.client.AuthenticatePlain("mjl@mox.example", "testtest")
tc.close()
tc = start(t)
defer tc.close()
tc.cmdf("", "authenticate plain")
tc.readprefixline("+ ")
tc.writelinef("*") // Aborts.
tc.readstatus("bad")
tc.cmdf("", "authenticate plain")
tc.readprefixline("+")
tc.writelinef("%s", base64.StdEncoding.EncodeToString([]byte("\u0000mjl@mox.example\u0000testtest")))
tc.readstatus("ok")
}
func TestAuthenticateSCRAMSHA256(t *testing.T) {
tc := start(t)
tc.client.AuthenticateSCRAMSHA256("mjl@mox.example", "testtest")
tc.close()
auth := func(status string, serverFinalError error, username, password string) {
t.Helper()
sc := scram.NewClient(username, "")
clientFirst, err := sc.ClientFirst()
tc.check(err, "scram clientFirst")
tc.client.LastTag = "x001"
tc.writelinef("%s authenticate scram-sha-256 %s", tc.client.LastTag, base64.StdEncoding.EncodeToString([]byte(clientFirst)))
xreadContinuation := func() []byte {
line, _, result, rerr := tc.client.ReadContinuation()
tc.check(rerr, "read continuation")
if result.Status != "" {
tc.t.Fatalf("expected continuation")
}
buf, err := base64.StdEncoding.DecodeString(line)
tc.check(err, "parsing base64 from remote")
return buf
}
serverFirst := xreadContinuation()
clientFinal, err := sc.ServerFirst(serverFirst, password)
tc.check(err, "scram clientFinal")
tc.writelinef("%s", base64.StdEncoding.EncodeToString([]byte(clientFinal)))
serverFinal := xreadContinuation()
err = sc.ServerFinal(serverFinal)
if serverFinalError == nil {
tc.check(err, "scram serverFinal")
} else if err == nil || !errors.Is(err, serverFinalError) {
t.Fatalf("server final, got err %#v, expected %#v", err, serverFinalError)
}
if serverFinalError != nil {
tc.writelinef("*")
} else {
tc.writelinef("")
}
_, result, err := tc.client.Response()
tc.check(err, "read response")
if string(result.Status) != strings.ToUpper(status) {
tc.t.Fatalf("got status %q, expected %q", result.Status, strings.ToUpper(status))
}
}
tc = start(t)
auth("no", scram.ErrInvalidProof, "mjl@mox.example", "badpass")
auth("no", scram.ErrInvalidProof, "mjl@mox.example", "")
// todo: server aborts due to invalid username. we should probably make client continue with fake determinisitically generated salt and result in error in the end.
// auth("no", nil, "other@mox.example", "testtest")
tc.transactf("no", "authenticate bogus ")
tc.transactf("bad", "authenticate scram-sha-256 not base64...")
tc.transactf("bad", "authenticate scram-sha-256 %s", base64.StdEncoding.EncodeToString([]byte("bad data")))
tc.close()
}