tailscale/ipn/ipnlocal/c2n_test.go

135 lines
3.3 KiB
Go

// Copyright (c) Tailscale Inc & AUTHORS
// SPDX-License-Identifier: BSD-3-Clause
package ipnlocal
import (
"cmp"
"crypto/x509"
"encoding/json"
"net/http/httptest"
"net/url"
"os"
"path/filepath"
"reflect"
"testing"
"time"
"tailscale.com/ipn/store/mem"
"tailscale.com/tailcfg"
"tailscale.com/tstest"
"tailscale.com/types/logger"
"tailscale.com/util/must"
)
func TestHandleC2NTLSCertStatus(t *testing.T) {
b := &LocalBackend{
store: &mem.Store{},
varRoot: t.TempDir(),
}
certDir, err := b.certDir()
if err != nil {
t.Fatalf("certDir error: %v", err)
}
if _, err := b.getCertStore(); err != nil {
t.Fatalf("getCertStore error: %v", err)
}
testRoot, err := certTestFS.ReadFile("testdata/rootCA.pem")
if err != nil {
t.Fatal(err)
}
roots := x509.NewCertPool()
if !roots.AppendCertsFromPEM(testRoot) {
t.Fatal("Unable to add test CA to the cert pool")
}
testX509Roots = roots
defer func() { testX509Roots = nil }()
tests := []struct {
name string
domain string
copyFile bool // copy testdata/example.com.pem to the certDir
wantStatus int // 0 means 200
wantError string // wanted non-JSON non-200 error
now time.Time
want *tailcfg.C2NTLSCertInfo
}{
{
name: "no domain",
wantStatus: 400,
wantError: "no 'domain'\n",
},
{
name: "missing",
domain: "example.com",
want: &tailcfg.C2NTLSCertInfo{
Error: "no certificate",
Missing: true,
},
},
{
name: "valid",
domain: "example.com",
now: time.Date(2023, time.February, 20, 0, 0, 0, 0, time.UTC),
copyFile: true,
want: &tailcfg.C2NTLSCertInfo{
Valid: true,
NotBefore: "2023-02-07T20:34:18Z",
NotAfter: "2025-05-07T19:34:18Z",
},
},
{
name: "expired",
domain: "example.com",
now: time.Date(2030, time.February, 20, 0, 0, 0, 0, time.UTC),
copyFile: true,
want: &tailcfg.C2NTLSCertInfo{
Error: "cert expired",
Expired: true,
},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
os.RemoveAll(certDir) // reset per test
if tt.copyFile {
os.MkdirAll(certDir, 0755)
if err := os.WriteFile(filepath.Join(certDir, "example.com.crt"),
must.Get(os.ReadFile("testdata/example.com.pem")), 0644); err != nil {
t.Fatal(err)
}
if err := os.WriteFile(filepath.Join(certDir, "example.com.key"),
must.Get(os.ReadFile("testdata/example.com-key.pem")), 0644); err != nil {
t.Fatal(err)
}
}
b.clock = tstest.NewClock(tstest.ClockOpts{
Start: tt.now,
})
rec := httptest.NewRecorder()
handleC2NTLSCertStatus(b, rec, httptest.NewRequest("GET", "/tls-cert-status?domain="+url.QueryEscape(tt.domain), nil))
res := rec.Result()
wantStatus := cmp.Or(tt.wantStatus, 200)
if res.StatusCode != wantStatus {
t.Fatalf("status code = %v; want %v. Body: %s", res.Status, wantStatus, rec.Body.Bytes())
}
if wantStatus == 200 {
var got tailcfg.C2NTLSCertInfo
if err := json.Unmarshal(rec.Body.Bytes(), &got); err != nil {
t.Fatalf("bad JSON: %v", err)
}
if !reflect.DeepEqual(&got, tt.want) {
t.Errorf("got %v; want %v", logger.AsJSON(got), logger.AsJSON(tt.want))
}
} else if tt.wantError != "" {
if got := rec.Body.String(); got != tt.wantError {
t.Errorf("body = %q; want %q", got, tt.wantError)
}
}
})
}
}