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100 lines
3.1 KiB
100 lines
3.1 KiB
2 weeks ago
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//go:build interop
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// Interoperability with third-party tools (plan §7.9): SEALED_CONTROL and
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// PAYLOAD_AGE of an official fixture are standard age files, opened here by
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// the official age and tle command-line tools.
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//
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// go install filippo.io/age/cmd/age@v1.3.2
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// go install github.com/drand/tlock/cmd/tle@v1.2.0
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// go test -tags interop ./capsule -run Interop
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//
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// DATEKEYS_AGE and DATEKEYS_TLE may point at the binaries. The tle part
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// fetches round 1000 from the public drand relay.
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package capsule_test
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import (
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"bytes"
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"encoding/hex"
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"os"
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"os/exec"
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"path/filepath"
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"strings"
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"testing"
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"filippo.io/age"
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"github.com/datekeys/datekeys-go/agewrap"
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"github.com/datekeys/datekeys-go/internal/testkit"
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)
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func tool(t *testing.T, env, name string) string {
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t.Helper()
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if p := os.Getenv(env); p != "" {
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return p
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}
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p, err := exec.LookPath(name)
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if err != nil {
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t.Skipf("%s not found; install it or set %s", name, env)
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}
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return p
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}
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func TestInteropAgeOpensPayload(t *testing.T) {
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bin := tool(t, "DATEKEYS_AGE", "age")
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f := loadFixture(t, "time_only")
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parts, _ := testkit.Split(f.dkc)
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raw, _ := hex.DecodeString(f.PayloadIdentity)
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id, err := agewrap.X25519IdentityFromRaw(raw)
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if err != nil {
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t.Fatal(err)
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}
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dir := t.TempDir()
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os.WriteFile(filepath.Join(dir, "payload.age"), parts.Payload, 0o600)
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os.WriteFile(filepath.Join(dir, "id.txt"), []byte(id.String()+"\n"), 0o600)
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out := filepath.Join(dir, "plain")
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cmd := exec.Command(bin, "-d", "-i", filepath.Join(dir, "id.txt"), "-o", out, filepath.Join(dir, "payload.age"))
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if b, err := cmd.CombinedOutput(); err != nil {
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t.Fatalf("age: %v\n%s", err, b)
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}
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if got, _ := os.ReadFile(out); !bytes.Equal(got, f.plaintext) {
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t.Fatal("age produced a different plaintext")
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}
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}
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func TestInteropAgeEncryptsPayloadWeOpen(t *testing.T) {
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bin := tool(t, "DATEKEYS_AGE", "age")
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id, _ := age.GenerateX25519Identity()
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dir := t.TempDir()
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os.WriteFile(filepath.Join(dir, "in"), []byte("written by age"), 0o600)
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out := filepath.Join(dir, "out.age")
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if b, err := exec.Command(bin, "-r", id.Recipient().String(), "-o", out, filepath.Join(dir, "in")).CombinedOutput(); err != nil {
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t.Fatalf("age: %v\n%s", err, b)
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}
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file, _ := os.ReadFile(out)
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raw, _ := agewrap.RawX25519Identity(id)
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pid, _ := agewrap.NewPayloadIdentity(raw)
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if got := decryptAge(t, file, pid); string(got) != "written by age" {
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t.Fatal("plaintext differs")
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}
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}
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func TestInteropTleOpensSealedControl(t *testing.T) {
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bin := tool(t, "DATEKEYS_TLE", "tle")
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f := loadFixture(t, "time_only")
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parts, _ := testkit.Split(f.dkc)
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dir := t.TempDir()
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in := filepath.Join(dir, "sealed.age")
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os.WriteFile(in, parts.Sealed, 0o600)
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out := filepath.Join(dir, "control.cbor")
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cmd := exec.Command(bin, "-d", "-o", out, in)
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if b, err := cmd.CombinedOutput(); err != nil {
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if strings.Contains(string(b), "dial") || strings.Contains(string(b), "no such host") {
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t.Skipf("tle needs network access: %s", b)
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}
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t.Fatalf("tle: %v\n%s", err, b)
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}
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if got, _ := os.ReadFile(out); hex.EncodeToString(got) != f.ControlCBOR {
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t.Fatal("tle produced a different CONTROL_CBOR")
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}
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}
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