package main
import (
"context"
"fmt"
"io/ioutil"
"net"
"net/http"
"os"
"os/exec"
"path/filepath"
"strings"
"time"
"github.com/docker/docker/api/types"
cliconfig "github.com/docker/docker/cli/config"
"github.com/docker/docker/integration-cli/checker"
"github.com/docker/docker/integration-cli/cli"
"github.com/docker/docker/integration-cli/fixtures/plugin"
"github.com/docker/docker/integration-cli/request"
"github.com/docker/go-connections/tlsconfig"
"github.com/go-check/check"
"github.com/gotestyourself/gotestyourself/icmd"
)
var notaryBinary = "notary"
var notaryServerBinary = "notary-server"
type keyPair struct {
Public string
Private string
}
type testNotary struct {
cmd *exec.Cmd
dir string
keys []keyPair
}
const notaryHost = "localhost:4443"
const notaryURL = "https://" + notaryHost
var SuccessTagging = icmd.Expected{
Out: "Tagging",
}
var SuccessSigningAndPushing = icmd.Expected{
Out: "Signing and pushing trust metadata",
}
var SuccessDownloaded = icmd.Expected{
Out: "Status: Downloaded",
}
var SuccessDownloadedOnStderr = icmd.Expected{
Err: "Status: Downloaded",
}
func newTestNotary(c *check.C) (*testNotary, error) {
// generate server config
template := `{
"server": {
"http_addr": "%s",
"tls_key_file": "%s",
"tls_cert_file": "%s"
},
"trust_service": {
"type": "local",
"hostname": "",
"port": "",
"key_algorithm": "ed25519"
},
"logging": {
"level": "debug"
},
"storage": {
"backend": "memory"
}
}`
tmp, err := ioutil.TempDir("", "notary-test-")
if err != nil {
return nil, err
}
confPath := filepath.Join(tmp, "config.json")
config, err := os.Create(confPath)
if err != nil {
return nil, err
}
defer config.Close()
workingDir, err := os.Getwd()
if err != nil {
return nil, err
}
if _, err := fmt.Fprintf(config, template, notaryHost, filepath.Join(workingDir, "fixtures/notary/localhost.key"), filepath.Join(workingDir, "fixtures/notary/localhost.cert")); err != nil {
os.RemoveAll(tmp)
return nil, err
}
// generate client config
clientConfPath := filepath.Join(tmp, "client-config.json")
clientConfig, err := os.Create(clientConfPath)
if err != nil {
return nil, err
}
defer clientConfig.Close()
template = `{
"trust_dir" : "%s",
"remote_server": {
"url": "%s",
"skipTLSVerify": true
}
}`
if _, err = fmt.Fprintf(clientConfig, template, filepath.Join(cliconfig.Dir(), "trust"), notaryURL); err != nil {
os.RemoveAll(tmp)
return nil, err
}
// load key fixture filenames
var keys []keyPair
for i := 1; i < 5; i++ {
keys = append(keys, keyPair{
Public: filepath.Join(workingDir, fmt.Sprintf("fixtures/notary/delgkey%v.crt", i)),
Private: filepath.Join(workingDir, fmt.Sprintf("fixtures/notary/delgkey%v.key", i)),
})
}
// run notary-server
cmd := exec.Command(notaryServerBinary, "-config", confPath)
if err := cmd.Start(); err != nil {
os.RemoveAll(tmp)
if os.IsNotExist(err) {
c.Skip(err.Error())
}
return nil, err
}
testNotary := &testNotary{
cmd: cmd,
dir: tmp,
keys: keys,
}
// Wait for notary to be ready to serve requests.
for i := 1; i <= 20; i++ {
if err = testNotary.Ping(); err == nil {
break
}
time.Sleep(10 * time.Millisecond * time.Duration(i*i))
}
if err != nil {
c.Fatalf("Timeout waiting for test notary to become available: %s", err)
}
return testNotary, nil
}
func (t *testNotary) Ping() error {
tlsConfig := tlsconfig.ClientDefault()
tlsConfig.InsecureSkipVerify = true
client := http.Client{
Transport: &http.Transport{
Proxy: http.ProxyFromEnvironment,
Dial: (&net.Dialer{
Timeout: 30 * time.Second,
KeepAlive: 30 * time.Second,
}).Dial,
TLSHandshakeTimeout: 10 * time.Second,
TLSClientConfig: tlsConfig,
},
}
resp, err := client.Get(fmt.Sprintf("%s/v2/", notaryURL))
if err != nil {
return err
}
if resp.StatusCode != http.StatusOK {
return fmt.Errorf("notary ping replied with an unexpected status code %d", resp.StatusCode)
}
return nil
}
func (t *testNotary) Close() {
t.cmd.Process.Kill()
t.cmd.Process.Wait()
os.RemoveAll(t.dir)
}
func trustedCmd(cmd *icmd.Cmd) func() {
pwd := "12345678"
cmd.Env = append(cmd.Env, trustEnv(notaryURL, pwd, pwd)...)
return nil
}
func trustedCmdWithServer(server string) func(*icmd.Cmd) func() {
return func(cmd *icmd.Cmd) func() {
pwd := "12345678"
cmd.Env = append(cmd.Env, trustEnv(server, pwd, pwd)...)
return nil
}
}
func trustedCmdWithPassphrases(rootPwd, repositoryPwd string) func(*icmd.Cmd) func() {
return func(cmd *icmd.Cmd) func() {
cmd.Env = append(cmd.Env, trustEnv(notaryURL, rootPwd, repositoryPwd)...)
return nil
}
}
func trustEnv(server, rootPwd, repositoryPwd string) []string {
env := append(os.Environ(), []string{
"DOCKER_CONTENT_TRUST=1",
fmt.Sprintf("DOCKER_CONTENT_TRUST_SERVER=%s", server),
fmt.Sprintf("DOCKER_CONTENT_TRUST_ROOT_PASSPHRASE=%s", rootPwd),
fmt.Sprintf("DOCKER_CONTENT_TRUST_REPOSITORY_PASSPHRASE=%s", repositoryPwd),
}...)
return env
}
func (s *DockerTrustSuite) setupTrustedImage(c *check.C, name string) string {
repoName := fmt.Sprintf("%v/dockercli/%s:latest", privateRegistryURL, name)
// tag the image and upload it to the private registry
cli.DockerCmd(c, "tag", "busybox", repoName)
cli.Docker(cli.Args("push", repoName), trustedCmd).Assert(c, SuccessSigningAndPushing)
cli.DockerCmd(c, "rmi", repoName)
return repoName
}
func (s *DockerTrustSuite) setupTrustedplugin(c *check.C, source, name string) string {
repoName := fmt.Sprintf("%v/dockercli/%s:latest", privateRegistryURL, name)
client, err := request.NewClient()
c.Assert(err, checker.IsNil, check.Commentf("could not create test client"))
ctx, cancel := context.WithTimeout(context.Background(), 60*time.Second)
err = plugin.Create(ctx, client, repoName)
cancel()
c.Assert(err, checker.IsNil, check.Commentf("could not create test plugin"))
// tag the image and upload it to the private registry
// TODO: shouldn't need to use the CLI to do trust
cli.Docker(cli.Args("plugin", "push", repoName), trustedCmd).Assert(c, SuccessSigningAndPushing)
ctx, cancel = context.WithTimeout(context.Background(), 60*time.Second)
err = client.PluginRemove(ctx, repoName, types.PluginRemoveOptions{Force: true})
cancel()
c.Assert(err, checker.IsNil, check.Commentf("failed to cleanup test plugin for trust suite"))
return repoName
}
func (s *DockerTrustSuite) notaryCmd(c *check.C, args ...string) string {
pwd := "12345678"
env := []string{
fmt.Sprintf("NOTARY_ROOT_PASSPHRASE=%s", pwd),
fmt.Sprintf("NOTARY_TARGETS_PASSPHRASE=%s", pwd),
fmt.Sprintf("NOTARY_SNAPSHOT_PASSPHRASE=%s", pwd),
fmt.Sprintf("NOTARY_DELEGATION_PASSPHRASE=%s", pwd),
}
result := icmd.RunCmd(icmd.Cmd{
Command: append([]string{notaryBinary, "-c", filepath.Join(s.not.dir, "client-config.json")}, args...),
Env: append(os.Environ(), env...),
})
result.Assert(c, icmd.Success)
return result.Combined()
}
func (s *DockerTrustSuite) notaryInitRepo(c *check.C, repoName string) {
s.notaryCmd(c, "init", repoName)
}
func (s *DockerTrustSuite) notaryCreateDelegation(c *check.C, repoName, role string, pubKey string, paths ...string) {
pathsArg := "--all-paths"
if len(paths) > 0 {
pathsArg = "--paths=" + strings.Join(paths, ",")
}
s.notaryCmd(c, "delegation", "add", repoName, role, pubKey, pathsArg)
}
func (s *DockerTrustSuite) notaryPublish(c *check.C, repoName string) {
s.notaryCmd(c, "publish", repoName)
}
func (s *DockerTrustSuite) notaryImportKey(c *check.C, repoName, role string, privKey string) {
s.notaryCmd(c, "key", "import", privKey, "-g", repoName, "-r", role)
}
func (s *DockerTrustSuite) notaryListTargetsInRole(c *check.C, repoName, role string) map[string]string {
out := s.notaryCmd(c, "list", repoName, "-r", role)
// should look something like:
// NAME DIGEST SIZE (BYTES) ROLE
// ------------------------------------------------------------------------------------------------------
// latest 24a36bbc059b1345b7e8be0df20f1b23caa3602e85d42fff7ecd9d0bd255de56 1377 targets
targets := make(map[string]string)
// no target
lines := strings.Split(strings.TrimSpace(out), "\n")
if len(lines) == 1 && strings.Contains(out, "No targets present in this repository.") {
return targets
}
// otherwise, there is at least one target
c.Assert(len(lines), checker.GreaterOrEqualThan, 3)
for _, line := range lines[2:] {
tokens := strings.Fields(line)
c.Assert(tokens, checker.HasLen, 4)
targets[tokens[0]] = tokens[3]
}
return targets
}
func (s *DockerTrustSuite) assertTargetInRoles(c *check.C, repoName, target string, roles ...string) {
// check all the roles
for _, role := range roles {
targets := s.notaryListTargetsInRole(c, repoName, role)
roleName, ok := targets[target]
c.Assert(ok, checker.True)
c.Assert(roleName, checker.Equals, role)
}
}
func (s *DockerTrustSuite) assertTargetNotInRoles(c *check.C, repoName, target string, roles ...string) {
targets := s.notaryListTargetsInRole(c, repoName, "targets")
roleName, ok := targets[target]
if ok {
for _, role := range roles {
c.Assert(roleName, checker.Not(checker.Equals), role)
}
}
}