502 lines
12 KiB
Go
502 lines
12 KiB
Go
package integration
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import (
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"crypto/tls"
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"crypto/x509"
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"fmt"
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"net"
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"net/http"
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"os"
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"path/filepath"
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"time"
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"github.com/go-check/check"
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"github.com/miekg/dns"
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"github.com/traefik/traefik/v2/integration/try"
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"github.com/traefik/traefik/v2/pkg/config/static"
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"github.com/traefik/traefik/v2/pkg/provider/acme"
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"github.com/traefik/traefik/v2/pkg/testhelpers"
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"github.com/traefik/traefik/v2/pkg/types"
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checker "github.com/vdemeester/shakers"
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)
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// ACME test suites.
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type AcmeSuite struct {
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BaseSuite
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pebbleIP string
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fakeDNSServer *dns.Server
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}
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type subCases struct {
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host string
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expectedCommonName string
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expectedAlgorithm x509.PublicKeyAlgorithm
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}
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type acmeTestCase struct {
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template templateModel
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traefikConfFilePath string
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subCases []subCases
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}
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type templateModel struct {
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Domains []types.Domain
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PortHTTP string
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PortHTTPS string
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Acme map[string]static.CertificateResolver
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}
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const (
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// Domain to check
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acmeDomain = "traefik.acme.wtf"
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// Wildcard domain to check
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wildcardDomain = "*.acme.wtf"
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)
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func (s *AcmeSuite) getAcmeURL() string {
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return fmt.Sprintf("https://%s/dir",
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net.JoinHostPort(s.pebbleIP, "14000"))
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}
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func setupPebbleRootCA() (*http.Transport, error) {
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path, err := filepath.Abs("fixtures/acme/ssl/pebble.minica.pem")
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if err != nil {
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return nil, err
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}
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os.Setenv("LEGO_CA_CERTIFICATES", path)
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os.Setenv("LEGO_CA_SERVER_NAME", "pebble")
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customCAs, err := os.ReadFile(path)
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if err != nil {
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return nil, err
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}
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certPool := x509.NewCertPool()
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if ok := certPool.AppendCertsFromPEM(customCAs); !ok {
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return nil, fmt.Errorf("error creating x509 cert pool from %q: %w", path, err)
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}
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return &http.Transport{
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TLSClientConfig: &tls.Config{
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ServerName: "pebble",
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RootCAs: certPool,
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},
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}, nil
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}
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func (s *AcmeSuite) SetUpSuite(c *check.C) {
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s.createComposeProject(c, "pebble")
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s.composeUp(c)
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s.fakeDNSServer = startFakeDNSServer(s.getContainerIP(c, "traefik"))
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s.pebbleIP = s.getComposeServiceIP(c, "pebble")
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pebbleTransport, err := setupPebbleRootCA()
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if err != nil {
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c.Fatal(err)
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}
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// wait for pebble
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req := testhelpers.MustNewRequest(http.MethodGet, s.getAcmeURL(), nil)
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client := &http.Client{
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Transport: pebbleTransport,
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}
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err = try.Do(5*time.Second, func() error {
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resp, errGet := client.Do(req)
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if errGet != nil {
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return errGet
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}
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return try.StatusCodeIs(http.StatusOK)(resp)
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})
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c.Assert(err, checker.IsNil)
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}
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func (s *AcmeSuite) TearDownSuite(c *check.C) {
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if s.fakeDNSServer != nil {
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err := s.fakeDNSServer.Shutdown()
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if err != nil {
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c.Log(err)
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}
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}
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s.composeDown(c)
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}
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func (s *AcmeSuite) TestHTTP01Domains(c *check.C) {
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testCase := acmeTestCase{
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traefikConfFilePath: "fixtures/acme/acme_domains.toml",
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subCases: []subCases{{
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host: acmeDomain,
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expectedCommonName: acmeDomain,
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expectedAlgorithm: x509.RSA,
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}},
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template: templateModel{
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Domains: []types.Domain{{
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Main: "traefik.acme.wtf",
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}},
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Acme: map[string]static.CertificateResolver{
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"default": {ACME: &acme.Configuration{
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HTTPChallenge: &acme.HTTPChallenge{EntryPoint: "web"},
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}},
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},
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},
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}
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s.retrieveAcmeCertificate(c, testCase)
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}
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func (s *AcmeSuite) TestHTTP01DomainsInSAN(c *check.C) {
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testCase := acmeTestCase{
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traefikConfFilePath: "fixtures/acme/acme_domains.toml",
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subCases: []subCases{{
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host: acmeDomain,
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expectedCommonName: "acme.wtf",
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expectedAlgorithm: x509.RSA,
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}},
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template: templateModel{
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Domains: []types.Domain{{
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Main: "acme.wtf",
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SANs: []string{"traefik.acme.wtf"},
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}},
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Acme: map[string]static.CertificateResolver{
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"default": {ACME: &acme.Configuration{
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HTTPChallenge: &acme.HTTPChallenge{EntryPoint: "web"},
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}},
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},
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},
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}
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s.retrieveAcmeCertificate(c, testCase)
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}
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func (s *AcmeSuite) TestHTTP01OnHostRule(c *check.C) {
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testCase := acmeTestCase{
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traefikConfFilePath: "fixtures/acme/acme_base.toml",
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subCases: []subCases{{
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host: acmeDomain,
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expectedCommonName: acmeDomain,
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expectedAlgorithm: x509.RSA,
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}},
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template: templateModel{
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Acme: map[string]static.CertificateResolver{
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"default": {ACME: &acme.Configuration{
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HTTPChallenge: &acme.HTTPChallenge{EntryPoint: "web"},
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}},
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},
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},
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}
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s.retrieveAcmeCertificate(c, testCase)
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}
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func (s *AcmeSuite) TestMultipleResolver(c *check.C) {
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testCase := acmeTestCase{
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traefikConfFilePath: "fixtures/acme/acme_multiple_resolvers.toml",
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subCases: []subCases{
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{
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host: acmeDomain,
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expectedCommonName: acmeDomain,
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expectedAlgorithm: x509.RSA,
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},
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{
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host: "tchouk.acme.wtf",
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expectedCommonName: "tchouk.acme.wtf",
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expectedAlgorithm: x509.ECDSA,
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},
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},
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template: templateModel{
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Acme: map[string]static.CertificateResolver{
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"default": {ACME: &acme.Configuration{
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HTTPChallenge: &acme.HTTPChallenge{EntryPoint: "web"},
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}},
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"tchouk": {ACME: &acme.Configuration{
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TLSChallenge: &acme.TLSChallenge{},
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KeyType: "EC256",
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}},
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},
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},
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}
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s.retrieveAcmeCertificate(c, testCase)
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}
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func (s *AcmeSuite) TestHTTP01OnHostRuleECDSA(c *check.C) {
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testCase := acmeTestCase{
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traefikConfFilePath: "fixtures/acme/acme_base.toml",
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subCases: []subCases{{
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host: acmeDomain,
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expectedCommonName: acmeDomain,
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expectedAlgorithm: x509.ECDSA,
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}},
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template: templateModel{
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Acme: map[string]static.CertificateResolver{
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"default": {ACME: &acme.Configuration{
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HTTPChallenge: &acme.HTTPChallenge{EntryPoint: "web"},
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KeyType: "EC384",
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}},
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},
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},
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}
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s.retrieveAcmeCertificate(c, testCase)
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}
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func (s *AcmeSuite) TestHTTP01OnHostRuleInvalidAlgo(c *check.C) {
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testCase := acmeTestCase{
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traefikConfFilePath: "fixtures/acme/acme_base.toml",
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subCases: []subCases{{
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host: acmeDomain,
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expectedCommonName: acmeDomain,
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expectedAlgorithm: x509.RSA,
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}},
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template: templateModel{
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Acme: map[string]static.CertificateResolver{
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"default": {ACME: &acme.Configuration{
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HTTPChallenge: &acme.HTTPChallenge{EntryPoint: "web"},
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KeyType: "INVALID",
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}},
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},
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},
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}
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s.retrieveAcmeCertificate(c, testCase)
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}
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func (s *AcmeSuite) TestHTTP01OnHostRuleDefaultDynamicCertificatesWithWildcard(c *check.C) {
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testCase := acmeTestCase{
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traefikConfFilePath: "fixtures/acme/acme_tls.toml",
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subCases: []subCases{{
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host: acmeDomain,
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expectedCommonName: wildcardDomain,
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expectedAlgorithm: x509.RSA,
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}},
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template: templateModel{
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Acme: map[string]static.CertificateResolver{
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"default": {ACME: &acme.Configuration{
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HTTPChallenge: &acme.HTTPChallenge{EntryPoint: "web"},
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}},
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},
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},
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}
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s.retrieveAcmeCertificate(c, testCase)
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}
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func (s *AcmeSuite) TestHTTP01OnHostRuleDynamicCertificatesWithWildcard(c *check.C) {
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testCase := acmeTestCase{
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traefikConfFilePath: "fixtures/acme/acme_tls_dynamic.toml",
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subCases: []subCases{{
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host: acmeDomain,
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expectedCommonName: wildcardDomain,
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expectedAlgorithm: x509.RSA,
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}},
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template: templateModel{
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Acme: map[string]static.CertificateResolver{
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"default": {ACME: &acme.Configuration{
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HTTPChallenge: &acme.HTTPChallenge{EntryPoint: "web"},
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}},
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},
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},
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}
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s.retrieveAcmeCertificate(c, testCase)
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}
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func (s *AcmeSuite) TestTLSALPN01OnHostRuleTCP(c *check.C) {
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testCase := acmeTestCase{
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traefikConfFilePath: "fixtures/acme/acme_tcp.toml",
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subCases: []subCases{{
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host: acmeDomain,
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expectedCommonName: acmeDomain,
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expectedAlgorithm: x509.RSA,
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}},
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template: templateModel{
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Acme: map[string]static.CertificateResolver{
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"default": {ACME: &acme.Configuration{
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TLSChallenge: &acme.TLSChallenge{},
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}},
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},
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},
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}
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s.retrieveAcmeCertificate(c, testCase)
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}
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func (s *AcmeSuite) TestTLSALPN01OnHostRule(c *check.C) {
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testCase := acmeTestCase{
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traefikConfFilePath: "fixtures/acme/acme_base.toml",
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subCases: []subCases{{
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host: acmeDomain,
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expectedCommonName: acmeDomain,
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expectedAlgorithm: x509.RSA,
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}},
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template: templateModel{
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Acme: map[string]static.CertificateResolver{
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"default": {ACME: &acme.Configuration{
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TLSChallenge: &acme.TLSChallenge{},
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}},
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},
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},
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}
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s.retrieveAcmeCertificate(c, testCase)
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}
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func (s *AcmeSuite) TestTLSALPN01Domains(c *check.C) {
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testCase := acmeTestCase{
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traefikConfFilePath: "fixtures/acme/acme_domains.toml",
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subCases: []subCases{{
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host: acmeDomain,
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expectedCommonName: acmeDomain,
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expectedAlgorithm: x509.RSA,
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}},
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template: templateModel{
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Domains: []types.Domain{{
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Main: "traefik.acme.wtf",
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}},
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Acme: map[string]static.CertificateResolver{
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"default": {ACME: &acme.Configuration{
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TLSChallenge: &acme.TLSChallenge{},
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}},
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},
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},
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}
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s.retrieveAcmeCertificate(c, testCase)
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}
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func (s *AcmeSuite) TestTLSALPN01DomainsInSAN(c *check.C) {
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testCase := acmeTestCase{
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traefikConfFilePath: "fixtures/acme/acme_domains.toml",
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subCases: []subCases{{
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host: acmeDomain,
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expectedCommonName: "acme.wtf",
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expectedAlgorithm: x509.RSA,
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}},
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template: templateModel{
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Domains: []types.Domain{{
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Main: "acme.wtf",
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SANs: []string{"traefik.acme.wtf"},
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}},
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Acme: map[string]static.CertificateResolver{
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"default": {ACME: &acme.Configuration{
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TLSChallenge: &acme.TLSChallenge{},
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}},
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},
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},
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}
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s.retrieveAcmeCertificate(c, testCase)
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}
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// Test Let's encrypt down.
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func (s *AcmeSuite) TestNoValidLetsEncryptServer(c *check.C) {
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file := s.adaptFile(c, "fixtures/acme/acme_base.toml", templateModel{
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Acme: map[string]static.CertificateResolver{
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"default": {ACME: &acme.Configuration{
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CAServer: "http://wrongurl:4001/directory",
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HTTPChallenge: &acme.HTTPChallenge{EntryPoint: "web"},
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}},
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},
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})
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defer os.Remove(file)
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cmd, display := s.traefikCmd(withConfigFile(file))
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defer display(c)
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err := cmd.Start()
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c.Assert(err, checker.IsNil)
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defer s.killCmd(cmd)
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// Expected traefik works
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err = try.GetRequest("http://127.0.0.1:8080/api/rawdata", 10*time.Second, try.StatusCodeIs(http.StatusOK))
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c.Assert(err, checker.IsNil)
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}
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// Doing an HTTPS request and test the response certificate.
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func (s *AcmeSuite) retrieveAcmeCertificate(c *check.C, testCase acmeTestCase) {
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if len(testCase.template.PortHTTP) == 0 {
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testCase.template.PortHTTP = ":5002"
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}
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if len(testCase.template.PortHTTPS) == 0 {
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testCase.template.PortHTTPS = ":5001"
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}
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for _, value := range testCase.template.Acme {
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if len(value.ACME.CAServer) == 0 {
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value.ACME.CAServer = s.getAcmeURL()
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}
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}
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file := s.adaptFile(c, testCase.traefikConfFilePath, testCase.template)
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defer os.Remove(file)
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cmd, display := s.traefikCmd(withConfigFile(file))
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defer display(c)
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err := cmd.Start()
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c.Assert(err, checker.IsNil)
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defer s.killCmd(cmd)
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// A real file is needed to have the right mode on acme.json file
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defer os.Remove("/tmp/acme.json")
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backend := startTestServer("9010", http.StatusOK, "")
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defer backend.Close()
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client := &http.Client{
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Transport: &http.Transport{
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TLSClientConfig: &tls.Config{InsecureSkipVerify: true},
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},
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}
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// wait for traefik (generating acme account take some seconds)
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err = try.Do(60*time.Second, func() error {
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_, errGet := client.Get("https://127.0.0.1:5001")
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return errGet
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})
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c.Assert(err, checker.IsNil)
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for _, sub := range testCase.subCases {
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client = &http.Client{
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Transport: &http.Transport{
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TLSClientConfig: &tls.Config{
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InsecureSkipVerify: true,
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ServerName: sub.host,
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},
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// Needed so that each subcase redoes the SSL handshake
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DisableKeepAlives: true,
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},
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}
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req := testhelpers.MustNewRequest(http.MethodGet, "https://127.0.0.1:5001/", nil)
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req.Host = sub.host
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req.Header.Set("Host", sub.host)
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req.Header.Set("Accept", "*/*")
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var resp *http.Response
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// Retry to send a Request which uses the LE generated certificate
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err = try.Do(60*time.Second, func() error {
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resp, err = client.Do(req)
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if err != nil {
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return err
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}
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cn := resp.TLS.PeerCertificates[0].Subject.CommonName
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if cn != sub.expectedCommonName {
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return fmt.Errorf("domain %s found instead of %s", cn, sub.expectedCommonName)
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}
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return nil
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})
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c.Assert(err, checker.IsNil)
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c.Assert(resp.StatusCode, checker.Equals, http.StatusOK)
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// Check Domain into response certificate
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c.Assert(resp.TLS.PeerCertificates[0].Subject.CommonName, checker.Equals, sub.expectedCommonName)
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c.Assert(resp.TLS.PeerCertificates[0].PublicKeyAlgorithm, checker.Equals, sub.expectedAlgorithm)
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}
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}
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