traefik/middlewares/passtlsclientcert/pass_tls_client_cert_test.go
2018-11-14 10:18:03 +01:00

505 lines
18 KiB
Go

package passtlsclientcert
import (
"context"
"crypto/tls"
"crypto/x509"
"encoding/pem"
"net"
"net/http"
"net/http/httptest"
"net/url"
"regexp"
"strings"
"testing"
"github.com/containous/traefik/config"
"github.com/containous/traefik/testhelpers"
"github.com/stretchr/testify/require"
)
const (
rootCrt = `-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----`
minimalCert = `-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----`
completeCert = `Certificate:
Data:
Version: 3 (0x2)
Serial Number: 3 (0x3)
Signature Algorithm: sha1WithRSAEncryption
Issuer: C=FR, ST=Some-State, L=Toulouse, O=Internet Widgits Pty Ltd
Validity
Not Before: Jul 18 08:00:16 2018 GMT
Not After : Jul 18 08:00:16 2019 GMT
subject: C=FR, ST=SomeState, L=Toulouse, O=Cheese, CN=*.cheese.org
subject Public Key Info:
Public Key Algorithm: rsaEncryption
Public-Key: (2048 bit)
Modulus:
00:a6:1f:96:7c:c1:cc:b8:1c:b5:91:5d:b8:bf:70:
bc:f7:b8:04:4f:2a:42:de:ea:c5:c3:19:0b:03:04:
ec:ef:a1:24:25:de:ad:05:e7:26:ea:89:6c:59:60:
10:18:0c:73:f1:bf:d3:cc:7b:ed:6b:9c:ea:1d:88:
e2:ee:14:81:d7:07:ee:87:95:3d:36:df:9c:38:b7:
7b:1e:2b:51:9c:4a:1f:d0:cc:5b:af:5d:6c:5c:35:
49:32:e4:01:5b:f9:8c:71:cf:62:48:5a:ea:b7:31:
58:e2:c6:d0:5b:1c:50:b5:5c:6d:5a:6f:da:41:5e:
d5:4c:6e:1a:21:f3:40:f9:9e:52:76:50:25:3e:03:
9b:87:19:48:5b:47:87:d3:67:c6:25:69:77:29:8e:
56:97:45:d9:6f:64:a8:4e:ad:35:75:2e:fc:6a:2e:
47:87:76:fc:4e:3e:44:e9:16:b2:c7:f0:23:98:13:
a2:df:15:23:cb:0c:3d:fd:48:5e:c7:2c:86:70:63:
8b:c6:c8:89:17:52:d5:a7:8e:cb:4e:11:9d:69:8e:
8e:59:cc:7e:a3:bd:a1:11:88:d7:cf:7b:8c:19:46:
9c:1b:7a:c9:39:81:4c:58:08:1f:c7:ce:b0:0e:79:
64:d3:11:72:65:e6:dd:bd:00:7f:22:30:46:9b:66:
9c:b9
Exponent: 65537 (0x10001)
X509v3 extensions:
X509v3 Basic Constraints:
CA:FALSE
X509v3 subject Alternative Name:
DNS:*.cheese.org, DNS:*.cheese.net, DNS:cheese.in, IP Address:10.0.1.0, IP Address:10.0.1.2, email:test@cheese.org, email:test@cheese.net
X509v3 subject Key Identifier:
AB:6B:89:25:11:FC:5E:7B:D4:B0:F7:D4:B6:D9:EB:D0:30:93:E5:58
Signature Algorithm: sha1WithRSAEncryption
ad:87:84:a0:88:a3:4c:d9:0a:c0:14:e4:2d:9a:1d:bb:57:b7:
12:ef:3a:fb:8b:b2:ce:32:b8:04:e6:59:c8:4f:14:6a:b5:12:
46:e9:c9:0a:11:64:ea:a1:86:20:96:0e:a7:40:e3:aa:e5:98:
91:36:89:77:b6:b9:73:7e:1a:58:19:ae:d1:14:83:1e:c1:5f:
a5:a0:32:bb:52:68:b4:8d:a3:1d:b3:08:d7:45:6e:3b:87:64:
7e:ef:46:e6:6f:d5:79:d7:1d:57:68:67:d8:18:39:61:5b:8b:
1a:7f:88:da:0a:51:9b:3d:6c:5d:b1:cf:b7:e9:1e:06:65:8e:
96:d3:61:96:f8:a2:61:f9:40:5e:fa:bc:76:b9:64:0e:6f:90:
37:de:ac:6d:7f:36:84:35:19:88:8c:26:af:3e:c3:6a:1a:03:
ed:d7:90:89:ed:18:4c:9e:94:1f:d8:ae:6c:61:36:17:72:f9:
bb:de:0a:56:9a:79:b4:7d:4a:9d:cb:4a:7d:71:9f:38:e7:8d:
f0:87:24:21:0a:24:1f:82:9a:6b:67:ce:7d:af:cb:91:6b:8a:
de:e6:d8:6f:a1:37:b9:2d:d0:cb:e8:4e:f4:43:af:ad:90:13:
7d:61:7a:ce:86:48:fc:00:8c:37:fb:e0:31:6b:e2:18:ad:fd:
1e:df:08:db
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
`
)
func getCleanCertContents(certContents []string) string {
var re = regexp.MustCompile("-----BEGIN CERTIFICATE-----(?s)(.*)")
var cleanedCertContent []string
for _, certContent := range certContents {
cert := re.FindString(certContent)
cleanedCertContent = append(cleanedCertContent, sanitize([]byte(cert)))
}
return strings.Join(cleanedCertContent, ",")
}
func getCertificate(certContent string) *x509.Certificate {
roots := x509.NewCertPool()
ok := roots.AppendCertsFromPEM([]byte(rootCrt))
if !ok {
panic("failed to parse root certificate")
}
block, _ := pem.Decode([]byte(certContent))
if block == nil {
panic("failed to parse certificate PEM")
}
cert, err := x509.ParseCertificate(block.Bytes)
if err != nil {
panic("failed to parse certificate: " + err.Error())
}
return cert
}
func buildTLSWith(certContents []string) *tls.ConnectionState {
var peerCertificates []*x509.Certificate
for _, certContent := range certContents {
peerCertificates = append(peerCertificates, getCertificate(certContent))
}
return &tls.ConnectionState{PeerCertificates: peerCertificates}
}
var next = http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
_, err := w.Write([]byte("bar"))
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
}
})
func getExpectedSanitized(s string) string {
return url.QueryEscape(strings.Replace(s, "\n", "", -1))
}
func TestSanitize(t *testing.T) {
testCases := []struct {
desc string
toSanitize []byte
expected string
}{
{
desc: "Empty",
},
{
desc: "With a minimal cert",
toSanitize: []byte(minimalCert),
expected: getExpectedSanitized(`MIIDGTCCAgECCQCqLd75YLi2kDANBgkqhkiG9w0BAQsFADBYMQswCQYDVQQGEwJG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`),
},
}
for _, test := range testCases {
test := test
t.Run(test.desc, func(t *testing.T) {
t.Parallel()
require.Equal(t, test.expected, sanitize(test.toSanitize), "The sanitized certificates should be equal")
})
}
}
func TestTLSClientHeadersWithPEM(t *testing.T) {
testCases := []struct {
desc string
certContents []string // set the request TLS attribute if defined
config config.PassTLSClientCert
expectedHeader string
}{
{
desc: "No TLS, no option",
},
{
desc: "TLS, no option",
certContents: []string{minimalCert},
},
{
desc: "No TLS, with pem option true",
config: config.PassTLSClientCert{PEM: true},
},
{
desc: "TLS with simple certificate, with pem option true",
certContents: []string{minimalCert},
config: config.PassTLSClientCert{PEM: true},
expectedHeader: getCleanCertContents([]string{minimalCert}),
},
{
desc: "TLS with complete certificate, with pem option true",
certContents: []string{completeCert},
config: config.PassTLSClientCert{PEM: true},
expectedHeader: getCleanCertContents([]string{completeCert}),
},
{
desc: "TLS with two certificate, with pem option true",
certContents: []string{minimalCert, completeCert},
config: config.PassTLSClientCert{PEM: true},
expectedHeader: getCleanCertContents([]string{minimalCert, completeCert}),
},
}
for _, test := range testCases {
tlsClientHeaders, err := New(context.Background(), next, test.config, "foo")
require.NoError(t, err)
res := httptest.NewRecorder()
req := testhelpers.MustNewRequest(http.MethodGet, "http://example.com/foo", nil)
if test.certContents != nil && len(test.certContents) > 0 {
req.TLS = buildTLSWith(test.certContents)
}
tlsClientHeaders.ServeHTTP(res, req)
test := test
t.Run(test.desc, func(t *testing.T) {
t.Parallel()
require.Equal(t, http.StatusOK, res.Code, "Http Status should be OK")
require.Equal(t, "bar", res.Body.String(), "Should be the expected body")
if test.expectedHeader != "" {
require.Equal(t, getCleanCertContents(test.certContents), req.Header.Get(xForwardedTLSClientCert), "The request header should contain the cleaned certificate")
} else {
require.Empty(t, req.Header.Get(xForwardedTLSClientCert))
}
require.Empty(t, res.Header().Get(xForwardedTLSClientCert), "The response header should be always empty")
})
}
}
func TestGetSans(t *testing.T) {
urlFoo, err := url.Parse("my.foo.com")
require.NoError(t, err)
urlBar, err := url.Parse("my.bar.com")
require.NoError(t, err)
testCases := []struct {
desc string
cert *x509.Certificate // set the request TLS attribute if defined
expected []string
}{
{
desc: "With nil",
},
{
desc: "Certificate without Sans",
cert: &x509.Certificate{},
},
{
desc: "Certificate with all Sans",
cert: &x509.Certificate{
DNSNames: []string{"foo", "bar"},
EmailAddresses: []string{"test@test.com", "test2@test.com"},
IPAddresses: []net.IP{net.IPv4(10, 0, 0, 1), net.IPv4(10, 0, 0, 2)},
URIs: []*url.URL{urlFoo, urlBar},
},
expected: []string{"foo", "bar", "test@test.com", "test2@test.com", "10.0.0.1", "10.0.0.2", urlFoo.String(), urlBar.String()},
},
}
for _, test := range testCases {
sans := getSANs(test.cert)
test := test
t.Run(test.desc, func(t *testing.T) {
t.Parallel()
if len(test.expected) > 0 {
for i, expected := range test.expected {
require.Equal(t, expected, sans[i])
}
} else {
require.Empty(t, sans)
}
})
}
}
func TestTLSClientHeadersWithCertInfos(t *testing.T) {
minimalCertAllInfos := `Subject="C=FR,ST=Some-State,O=Internet Widgits Pty Ltd",NB=1531902496,NA=1534494496,SAN=`
completeCertAllInfos := `Subject="C=FR,ST=SomeState,L=Toulouse,O=Cheese,CN=*.cheese.org",NB=1531900816,NA=1563436816,SAN=*.cheese.org,*.cheese.net,cheese.in,test@cheese.org,test@cheese.net,10.0.1.0,10.0.1.2`
testCases := []struct {
desc string
certContents []string // set the request TLS attribute if defined
config config.PassTLSClientCert
expectedHeader string
}{
{
desc: "No TLS, no option",
},
{
desc: "TLS, no option",
certContents: []string{minimalCert},
},
{
desc: "No TLS, with pem option true",
config: config.PassTLSClientCert{
Infos: &config.TLSClientCertificateInfos{
Subject: &config.TLSCLientCertificateSubjectInfos{
CommonName: true,
Organization: true,
Locality: true,
Province: true,
Country: true,
SerialNumber: true,
},
},
},
},
{
desc: "No TLS, with pem option true with no flag",
config: config.PassTLSClientCert{
PEM: false,
Infos: &config.TLSClientCertificateInfos{
Subject: &config.TLSCLientCertificateSubjectInfos{},
},
},
},
{
desc: "TLS with simple certificate, with all infos",
certContents: []string{minimalCert},
config: config.PassTLSClientCert{
Infos: &config.TLSClientCertificateInfos{
NotAfter: true,
NotBefore: true,
Subject: &config.TLSCLientCertificateSubjectInfos{
CommonName: true,
Organization: true,
Locality: true,
Province: true,
Country: true,
SerialNumber: true,
},
Sans: true,
},
},
expectedHeader: url.QueryEscape(minimalCertAllInfos),
},
{
desc: "TLS with simple certificate, with some infos",
certContents: []string{minimalCert},
config: config.PassTLSClientCert{
Infos: &config.TLSClientCertificateInfos{
NotAfter: true,
Subject: &config.TLSCLientCertificateSubjectInfos{
Organization: true,
},
Sans: true,
},
},
expectedHeader: url.QueryEscape(`Subject="O=Internet Widgits Pty Ltd",NA=1534494496,SAN=`),
},
{
desc: "TLS with complete certificate, with all infos",
certContents: []string{completeCert},
config: config.PassTLSClientCert{
Infos: &config.TLSClientCertificateInfos{
NotAfter: true,
NotBefore: true,
Subject: &config.TLSCLientCertificateSubjectInfos{
CommonName: true,
Organization: true,
Locality: true,
Province: true,
Country: true,
SerialNumber: true,
},
Sans: true,
},
},
expectedHeader: url.QueryEscape(completeCertAllInfos),
},
{
desc: "TLS with 2 certificates, with all infos",
certContents: []string{minimalCert, completeCert},
config: config.PassTLSClientCert{
Infos: &config.TLSClientCertificateInfos{
NotAfter: true,
NotBefore: true,
Subject: &config.TLSCLientCertificateSubjectInfos{
CommonName: true,
Organization: true,
Locality: true,
Province: true,
Country: true,
SerialNumber: true,
},
Sans: true,
},
},
expectedHeader: url.QueryEscape(strings.Join([]string{minimalCertAllInfos, completeCertAllInfos}, ";")),
},
}
for _, test := range testCases {
tlsClientHeaders, err := New(context.Background(), next, test.config, "foo")
require.NoError(t, err)
res := httptest.NewRecorder()
req := testhelpers.MustNewRequest(http.MethodGet, "http://example.com/foo", nil)
if test.certContents != nil && len(test.certContents) > 0 {
req.TLS = buildTLSWith(test.certContents)
}
tlsClientHeaders.ServeHTTP(res, req)
test := test
t.Run(test.desc, func(t *testing.T) {
t.Parallel()
require.Equal(t, http.StatusOK, res.Code, "Http Status should be OK")
require.Equal(t, "bar", res.Body.String(), "Should be the expected body")
if test.expectedHeader != "" {
require.Equal(t, test.expectedHeader, req.Header.Get(xForwardedTLSClientCertInfos), "The request header should contain the cleaned certificate")
} else {
require.Empty(t, req.Header.Get(xForwardedTLSClientCertInfos))
}
require.Empty(t, res.Header().Get(xForwardedTLSClientCertInfos), "The response header should be always empty")
})
}
}