Example #1
0
func testAddListTarget(t *testing.T, rootType data.KeyAlgorithm) {
	// Temporary directory where test files will be created
	tempBaseDir, err := ioutil.TempDir("", "notary-test-")
	defer os.RemoveAll(tempBaseDir)

	assert.NoError(t, err, "failed to create a temporary directory: %s", err)

	gun := "docker.com/notary"

	ts, mux := createTestServer(t)
	defer ts.Close()

	repo, err := NewNotaryRepository(tempBaseDir, gun, ts.URL, http.DefaultTransport, passphraseRetriever)
	assert.NoError(t, err, "error creating repository: %s", err)

	rootKeyID, err := repo.KeyStoreManager.GenRootKey(rootType.String())
	assert.NoError(t, err, "error generating root key: %s", err)

	rootCryptoService, err := repo.KeyStoreManager.GetRootCryptoService(rootKeyID)
	assert.NoError(t, err, "error retreiving root key: %s", err)

	err = repo.Initialize(rootCryptoService)
	assert.NoError(t, err, "error creating repository: %s", err)

	// tests need to manually boostrap timestamp as client doesn't generate it
	err = repo.tufRepo.InitTimestamp()
	assert.NoError(t, err, "error creating repository: %s", err)

	// Add fixtures/intermediate-ca.crt as a target. There's no particular reason
	// for using this file except that it happens to be available as
	// a fixture.
	latestTarget, err := NewTarget("latest", "../fixtures/intermediate-ca.crt")
	assert.NoError(t, err, "error creating target")
	err = repo.AddTarget(latestTarget)
	assert.NoError(t, err, "error adding target")

	// Look for the changelist file
	changelistDirPath := filepath.Join(tempBaseDir, "tuf", filepath.FromSlash(gun), "changelist")

	changelistDir, err := os.Open(changelistDirPath)
	assert.NoError(t, err, "could not open changelist directory")

	fileInfos, err := changelistDir.Readdir(0)
	assert.NoError(t, err, "could not read changelist directory")

	// Should only be one file in the directory
	assert.Len(t, fileInfos, 1, "wrong number of changelist files found")

	clName := fileInfos[0].Name()
	raw, err := ioutil.ReadFile(filepath.Join(changelistDirPath, clName))
	assert.NoError(t, err, "could not read changelist file %s", clName)

	c := &changelist.TufChange{}
	err = json.Unmarshal(raw, c)
	assert.NoError(t, err, "could not unmarshal changelist file %s", clName)

	assert.EqualValues(t, changelist.ActionCreate, c.Actn)
	assert.Equal(t, "targets", c.Role)
	assert.Equal(t, "target", c.ChangeType)
	assert.Equal(t, "latest", c.ChangePath)
	assert.NotEmpty(t, c.Data)

	changelistDir.Close()

	// Create a second target
	currentTarget, err := NewTarget("current", "../fixtures/intermediate-ca.crt")
	assert.NoError(t, err, "error creating target")
	err = repo.AddTarget(currentTarget)
	assert.NoError(t, err, "error adding target")

	changelistDir, err = os.Open(changelistDirPath)
	assert.NoError(t, err, "could not open changelist directory")

	// There should now be a second file in the directory
	fileInfos, err = changelistDir.Readdir(0)
	assert.NoError(t, err, "could not read changelist directory")

	assert.Len(t, fileInfos, 2, "wrong number of changelist files found")

	newFileFound := false
	for _, fileInfo := range fileInfos {
		if fileInfo.Name() != clName {
			clName2 := fileInfo.Name()
			raw, err := ioutil.ReadFile(filepath.Join(changelistDirPath, clName2))
			assert.NoError(t, err, "could not read changelist file %s", clName2)

			c := &changelist.TufChange{}
			err = json.Unmarshal(raw, c)
			assert.NoError(t, err, "could not unmarshal changelist file %s", clName2)

			assert.EqualValues(t, changelist.ActionCreate, c.Actn)
			assert.Equal(t, "targets", c.Role)
			assert.Equal(t, "target", c.ChangeType)
			assert.Equal(t, "current", c.ChangePath)
			assert.NotEmpty(t, c.Data)

			newFileFound = true
			break
		}
	}

	assert.True(t, newFileFound, "second changelist file not found")

	changelistDir.Close()

	// Now test ListTargets. In preparation, we need to expose some signed
	// metadata files on the internal HTTP server.

	// Apply the changelist. Normally, this would be done by Publish

	// load the changelist for this repo
	cl, err := changelist.NewFileChangelist(filepath.Join(tempBaseDir, "tuf", filepath.FromSlash(gun), "changelist"))
	assert.NoError(t, err, "could not open changelist")

	// apply the changelist to the repo
	err = applyChangelist(repo.tufRepo, cl)
	assert.NoError(t, err, "could not apply changelist")

	var tempKey data.TUFKey
	json.Unmarshal([]byte(timestampECDSAKeyJSON), &tempKey)

	repo.KeyStoreManager.NonRootKeyStore().AddKey(filepath.Join(filepath.FromSlash(gun), tempKey.ID()), "nonroot", &tempKey)

	// Because ListTargets will clear this
	savedTUFRepo := repo.tufRepo

	rootJSONFile := filepath.Join(tempBaseDir, "tuf", filepath.FromSlash(gun), "metadata", "root.json")
	rootFileBytes, err := ioutil.ReadFile(rootJSONFile)

	signedTargets, err := savedTUFRepo.SignTargets("targets", data.DefaultExpires("targets"), nil)
	assert.NoError(t, err)

	signedSnapshot, err := savedTUFRepo.SignSnapshot(data.DefaultExpires("snapshot"), nil)
	assert.NoError(t, err)

	signedTimestamp, err := savedTUFRepo.SignTimestamp(data.DefaultExpires("timestamp"), nil)
	assert.NoError(t, err)

	mux.HandleFunc("/v2/docker.com/notary/_trust/tuf/root.json", func(w http.ResponseWriter, r *http.Request) {
		assert.NoError(t, err)
		fmt.Fprint(w, string(rootFileBytes))
	})

	mux.HandleFunc("/v2/docker.com/notary/_trust/tuf/timestamp.json", func(w http.ResponseWriter, r *http.Request) {
		timestampJSON, _ := json.Marshal(signedTimestamp)
		fmt.Fprint(w, string(timestampJSON))
	})

	mux.HandleFunc("/v2/docker.com/notary/_trust/tuf/snapshot.json", func(w http.ResponseWriter, r *http.Request) {
		snapshotJSON, _ := json.Marshal(signedSnapshot)
		fmt.Fprint(w, string(snapshotJSON))
	})

	mux.HandleFunc("/v2/docker.com/notary/_trust/tuf/targets.json", func(w http.ResponseWriter, r *http.Request) {
		targetsJSON, _ := json.Marshal(signedTargets)
		fmt.Fprint(w, string(targetsJSON))
	})

	targets, err := repo.ListTargets()
	assert.NoError(t, err)

	// Should be two targets
	assert.Len(t, targets, 2, "unexpected number of targets returned by ListTargets")

	if targets[0].Name == "latest" {
		assert.Equal(t, latestTarget, targets[0], "latest target does not match")
		assert.Equal(t, currentTarget, targets[1], "current target does not match")
	} else if targets[0].Name == "current" {
		assert.Equal(t, currentTarget, targets[0], "current target does not match")
		assert.Equal(t, latestTarget, targets[1], "latest target does not match")
	} else {
		t.Fatalf("unexpected target name: %s", targets[0].Name)
	}

	// Also test GetTargetByName
	newLatestTarget, err := repo.GetTargetByName("latest")
	assert.NoError(t, err)
	assert.Equal(t, latestTarget, newLatestTarget, "latest target does not match")

	newCurrentTarget, err := repo.GetTargetByName("current")
	assert.NoError(t, err)
	assert.Equal(t, currentTarget, newCurrentTarget, "current target does not match")
}
func validateRootSuccessfully(t *testing.T, rootType data.KeyAlgorithm) {
	// Temporary directory where test files will be created
	tempBaseDir, err := ioutil.TempDir("", "notary-test-")
	defer os.RemoveAll(tempBaseDir)

	assert.NoError(t, err, "failed to create a temporary directory: %s", err)

	gun := "docker.com/notary"

	ts, mux := createTestServer(t)
	defer ts.Close()

	repo, err := NewNotaryRepository(tempBaseDir, gun, ts.URL, http.DefaultTransport, passphraseRetriever)
	assert.NoError(t, err, "error creating repository: %s", err)

	rootKeyID, err := repo.KeyStoreManager.GenRootKey(rootType.String())
	assert.NoError(t, err, "error generating root key: %s", err)

	rootCryptoService, err := repo.KeyStoreManager.GetRootCryptoService(rootKeyID)
	assert.NoError(t, err, "error retrieving root key: %s", err)

	err = repo.Initialize(rootCryptoService)
	assert.NoError(t, err, "error creating repository: %s", err)

	// tests need to manually boostrap timestamp as client doesn't generate it
	err = repo.tufRepo.InitTimestamp()
	assert.NoError(t, err, "error creating repository: %s", err)

	// Initialize is supposed to have created new certificate for this repository
	// Lets check for it and store it for later use
	allCerts := repo.KeyStoreManager.TrustedCertificateStore().GetCertificates()
	assert.Len(t, allCerts, 1)

	// Now test ListTargets. In preparation, we need to expose some signed
	// metadata files on the internal HTTP server.
	var tempKey data.TUFKey
	json.Unmarshal([]byte(timestampECDSAKeyJSON), &tempKey)

	repo.KeyStoreManager.NonRootKeyStore().AddKey(filepath.Join(filepath.FromSlash(gun), tempKey.ID()), "root", &tempKey)

	// Because ListTargets will clear this
	savedTUFRepo := repo.tufRepo

	rootJSONFile := filepath.Join(tempBaseDir, "tuf", filepath.FromSlash(gun), "metadata", "root.json")
	rootFileBytes, err := ioutil.ReadFile(rootJSONFile)

	signedTargets, err := savedTUFRepo.SignTargets("targets", data.DefaultExpires("targets"), nil)
	assert.NoError(t, err)

	signedSnapshot, err := savedTUFRepo.SignSnapshot(data.DefaultExpires("snapshot"), nil)
	assert.NoError(t, err)

	signedTimestamp, err := savedTUFRepo.SignTimestamp(data.DefaultExpires("timestamp"), nil)
	assert.NoError(t, err)

	mux.HandleFunc("/v2/docker.com/notary/_trust/tuf/root.json", func(w http.ResponseWriter, r *http.Request) {
		assert.NoError(t, err)
		fmt.Fprint(w, string(rootFileBytes))
	})

	mux.HandleFunc("/v2/docker.com/notary/_trust/tuf/timestamp.json", func(w http.ResponseWriter, r *http.Request) {
		timestampJSON, _ := json.Marshal(signedTimestamp)
		fmt.Fprint(w, string(timestampJSON))
	})

	mux.HandleFunc("/v2/docker.com/notary/_trust/tuf/snapshot.json", func(w http.ResponseWriter, r *http.Request) {
		snapshotJSON, _ := json.Marshal(signedSnapshot)
		fmt.Fprint(w, string(snapshotJSON))
	})

	mux.HandleFunc("/v2/docker.com/notary/_trust/tuf/targets.json", func(w http.ResponseWriter, r *http.Request) {
		targetsJSON, _ := json.Marshal(signedTargets)
		fmt.Fprint(w, string(targetsJSON))
	})

	_, err = repo.ListTargets()
	assert.NoError(t, err)

	//
	// Test TOFUS logic. We remove all certs and expect a new one to be added after ListTargets
	//
	err = repo.KeyStoreManager.TrustedCertificateStore().RemoveAll()
	assert.NoError(t, err)
	assert.Len(t, repo.KeyStoreManager.TrustedCertificateStore().GetCertificates(), 0)

	// This list targets is expected to succeed and the certificate store to have the new certificate
	_, err = repo.ListTargets()
	assert.NoError(t, err)
	assert.Len(t, repo.KeyStoreManager.TrustedCertificateStore().GetCertificates(), 1)

	//
	// Test certificate mismatch logic. We remove all certs, add a different cert to the
	// same CN, and expect ValidateRoot to fail
	//

	// First, remove all certs
	err = repo.KeyStoreManager.TrustedCertificateStore().RemoveAll()
	assert.NoError(t, err)
	assert.Len(t, repo.KeyStoreManager.TrustedCertificateStore().GetCertificates(), 0)

	// Add a previously generated certificate with CN=docker.com/notary
	err = repo.KeyStoreManager.TrustedCertificateStore().AddCertFromFile("../fixtures/self-signed_docker.com-notary.crt")
	assert.NoError(t, err)

	// This list targets is expected to fail, since there already exists a certificate
	// in the store for the dnsName docker.com/notary, so TOFUS doesn't apply
	_, err = repo.ListTargets()
	if assert.Error(t, err, "An error was expected") {
		assert.Equal(t, err, &keystoremanager.ErrValidationFail{Reason: "failed to validate data with current trusted certificates"})
	}
}