srvdav/vendor/golang.org/x/crypto/acme/acme_test.go

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// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package acme
import (
"bytes"
"context"
"crypto/rand"
"crypto/rsa"
"crypto/tls"
"crypto/x509"
"crypto/x509/pkix"
"encoding/base64"
"encoding/json"
"fmt"
"io/ioutil"
"math/big"
"net/http"
"net/http/httptest"
"reflect"
"sort"
"strings"
"testing"
"time"
)
// Decodes a JWS-encoded request and unmarshals the decoded JSON into a provided
// interface.
func decodeJWSRequest(t *testing.T, v interface{}, r *http.Request) {
// Decode request
var req struct{ Payload string }
if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
t.Fatal(err)
}
payload, err := base64.RawURLEncoding.DecodeString(req.Payload)
if err != nil {
t.Fatal(err)
}
err = json.Unmarshal(payload, v)
if err != nil {
t.Fatal(err)
}
}
type jwsHead struct {
Alg string
Nonce string
JWK map[string]string `json:"jwk"`
}
func decodeJWSHead(r *http.Request) (*jwsHead, error) {
var req struct{ Protected string }
if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
return nil, err
}
b, err := base64.RawURLEncoding.DecodeString(req.Protected)
if err != nil {
return nil, err
}
var head jwsHead
if err := json.Unmarshal(b, &head); err != nil {
return nil, err
}
return &head, nil
}
func TestDiscover(t *testing.T) {
const (
reg = "https://example.com/acme/new-reg"
authz = "https://example.com/acme/new-authz"
cert = "https://example.com/acme/new-cert"
revoke = "https://example.com/acme/revoke-cert"
)
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "application/json")
fmt.Fprintf(w, `{
"new-reg": %q,
"new-authz": %q,
"new-cert": %q,
"revoke-cert": %q
}`, reg, authz, cert, revoke)
}))
defer ts.Close()
c := Client{DirectoryURL: ts.URL}
dir, err := c.Discover(context.Background())
if err != nil {
t.Fatal(err)
}
if dir.RegURL != reg {
t.Errorf("dir.RegURL = %q; want %q", dir.RegURL, reg)
}
if dir.AuthzURL != authz {
t.Errorf("dir.AuthzURL = %q; want %q", dir.AuthzURL, authz)
}
if dir.CertURL != cert {
t.Errorf("dir.CertURL = %q; want %q", dir.CertURL, cert)
}
if dir.RevokeURL != revoke {
t.Errorf("dir.RevokeURL = %q; want %q", dir.RevokeURL, revoke)
}
}
func TestRegister(t *testing.T) {
contacts := []string{"mailto:admin@example.com"}
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if r.Method == "HEAD" {
w.Header().Set("Replay-Nonce", "test-nonce")
return
}
if r.Method != "POST" {
t.Errorf("r.Method = %q; want POST", r.Method)
}
var j struct {
Resource string
Contact []string
Agreement string
}
decodeJWSRequest(t, &j, r)
// Test request
if j.Resource != "new-reg" {
t.Errorf("j.Resource = %q; want new-reg", j.Resource)
}
if !reflect.DeepEqual(j.Contact, contacts) {
t.Errorf("j.Contact = %v; want %v", j.Contact, contacts)
}
w.Header().Set("Location", "https://ca.tld/acme/reg/1")
w.Header().Set("Link", `<https://ca.tld/acme/new-authz>;rel="next"`)
w.Header().Add("Link", `<https://ca.tld/acme/recover-reg>;rel="recover"`)
w.Header().Add("Link", `<https://ca.tld/acme/terms>;rel="terms-of-service"`)
w.WriteHeader(http.StatusCreated)
b, _ := json.Marshal(contacts)
fmt.Fprintf(w, `{"contact": %s}`, b)
}))
defer ts.Close()
prompt := func(url string) bool {
const terms = "https://ca.tld/acme/terms"
if url != terms {
t.Errorf("prompt url = %q; want %q", url, terms)
}
return false
}
c := Client{Key: testKeyEC, dir: &Directory{RegURL: ts.URL}}
a := &Account{Contact: contacts}
var err error
if a, err = c.Register(context.Background(), a, prompt); err != nil {
t.Fatal(err)
}
if a.URI != "https://ca.tld/acme/reg/1" {
t.Errorf("a.URI = %q; want https://ca.tld/acme/reg/1", a.URI)
}
if a.Authz != "https://ca.tld/acme/new-authz" {
t.Errorf("a.Authz = %q; want https://ca.tld/acme/new-authz", a.Authz)
}
if a.CurrentTerms != "https://ca.tld/acme/terms" {
t.Errorf("a.CurrentTerms = %q; want https://ca.tld/acme/terms", a.CurrentTerms)
}
if !reflect.DeepEqual(a.Contact, contacts) {
t.Errorf("a.Contact = %v; want %v", a.Contact, contacts)
}
}
func TestUpdateReg(t *testing.T) {
const terms = "https://ca.tld/acme/terms"
contacts := []string{"mailto:admin@example.com"}
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if r.Method == "HEAD" {
w.Header().Set("Replay-Nonce", "test-nonce")
return
}
if r.Method != "POST" {
t.Errorf("r.Method = %q; want POST", r.Method)
}
var j struct {
Resource string
Contact []string
Agreement string
}
decodeJWSRequest(t, &j, r)
// Test request
if j.Resource != "reg" {
t.Errorf("j.Resource = %q; want reg", j.Resource)
}
if j.Agreement != terms {
t.Errorf("j.Agreement = %q; want %q", j.Agreement, terms)
}
if !reflect.DeepEqual(j.Contact, contacts) {
t.Errorf("j.Contact = %v; want %v", j.Contact, contacts)
}
w.Header().Set("Link", `<https://ca.tld/acme/new-authz>;rel="next"`)
w.Header().Add("Link", `<https://ca.tld/acme/recover-reg>;rel="recover"`)
w.Header().Add("Link", fmt.Sprintf(`<%s>;rel="terms-of-service"`, terms))
w.WriteHeader(http.StatusOK)
b, _ := json.Marshal(contacts)
fmt.Fprintf(w, `{"contact":%s, "agreement":%q}`, b, terms)
}))
defer ts.Close()
c := Client{Key: testKeyEC}
a := &Account{URI: ts.URL, Contact: contacts, AgreedTerms: terms}
var err error
if a, err = c.UpdateReg(context.Background(), a); err != nil {
t.Fatal(err)
}
if a.Authz != "https://ca.tld/acme/new-authz" {
t.Errorf("a.Authz = %q; want https://ca.tld/acme/new-authz", a.Authz)
}
if a.AgreedTerms != terms {
t.Errorf("a.AgreedTerms = %q; want %q", a.AgreedTerms, terms)
}
if a.CurrentTerms != terms {
t.Errorf("a.CurrentTerms = %q; want %q", a.CurrentTerms, terms)
}
if a.URI != ts.URL {
t.Errorf("a.URI = %q; want %q", a.URI, ts.URL)
}
}
func TestGetReg(t *testing.T) {
const terms = "https://ca.tld/acme/terms"
const newTerms = "https://ca.tld/acme/new-terms"
contacts := []string{"mailto:admin@example.com"}
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if r.Method == "HEAD" {
w.Header().Set("Replay-Nonce", "test-nonce")
return
}
if r.Method != "POST" {
t.Errorf("r.Method = %q; want POST", r.Method)
}
var j struct {
Resource string
Contact []string
Agreement string
}
decodeJWSRequest(t, &j, r)
// Test request
if j.Resource != "reg" {
t.Errorf("j.Resource = %q; want reg", j.Resource)
}
if len(j.Contact) != 0 {
t.Errorf("j.Contact = %v", j.Contact)
}
if j.Agreement != "" {
t.Errorf("j.Agreement = %q", j.Agreement)
}
w.Header().Set("Link", `<https://ca.tld/acme/new-authz>;rel="next"`)
w.Header().Add("Link", `<https://ca.tld/acme/recover-reg>;rel="recover"`)
w.Header().Add("Link", fmt.Sprintf(`<%s>;rel="terms-of-service"`, newTerms))
w.WriteHeader(http.StatusOK)
b, _ := json.Marshal(contacts)
fmt.Fprintf(w, `{"contact":%s, "agreement":%q}`, b, terms)
}))
defer ts.Close()
c := Client{Key: testKeyEC}
a, err := c.GetReg(context.Background(), ts.URL)
if err != nil {
t.Fatal(err)
}
if a.Authz != "https://ca.tld/acme/new-authz" {
t.Errorf("a.AuthzURL = %q; want https://ca.tld/acme/new-authz", a.Authz)
}
if a.AgreedTerms != terms {
t.Errorf("a.AgreedTerms = %q; want %q", a.AgreedTerms, terms)
}
if a.CurrentTerms != newTerms {
t.Errorf("a.CurrentTerms = %q; want %q", a.CurrentTerms, newTerms)
}
if a.URI != ts.URL {
t.Errorf("a.URI = %q; want %q", a.URI, ts.URL)
}
}
func TestAuthorize(t *testing.T) {
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if r.Method == "HEAD" {
w.Header().Set("Replay-Nonce", "test-nonce")
return
}
if r.Method != "POST" {
t.Errorf("r.Method = %q; want POST", r.Method)
}
var j struct {
Resource string
Identifier struct {
Type string
Value string
}
}
decodeJWSRequest(t, &j, r)
// Test request
if j.Resource != "new-authz" {
t.Errorf("j.Resource = %q; want new-authz", j.Resource)
}
if j.Identifier.Type != "dns" {
t.Errorf("j.Identifier.Type = %q; want dns", j.Identifier.Type)
}
if j.Identifier.Value != "example.com" {
t.Errorf("j.Identifier.Value = %q; want example.com", j.Identifier.Value)
}
w.Header().Set("Location", "https://ca.tld/acme/auth/1")
w.WriteHeader(http.StatusCreated)
fmt.Fprintf(w, `{
"identifier": {"type":"dns","value":"example.com"},
"status":"pending",
"challenges":[
{
"type":"http-01",
"status":"pending",
"uri":"https://ca.tld/acme/challenge/publickey/id1",
"token":"token1"
},
{
"type":"tls-sni-01",
"status":"pending",
"uri":"https://ca.tld/acme/challenge/publickey/id2",
"token":"token2"
}
],
"combinations":[[0],[1]]}`)
}))
defer ts.Close()
cl := Client{Key: testKeyEC, dir: &Directory{AuthzURL: ts.URL}}
auth, err := cl.Authorize(context.Background(), "example.com")
if err != nil {
t.Fatal(err)
}
if auth.URI != "https://ca.tld/acme/auth/1" {
t.Errorf("URI = %q; want https://ca.tld/acme/auth/1", auth.URI)
}
if auth.Status != "pending" {
t.Errorf("Status = %q; want pending", auth.Status)
}
if auth.Identifier.Type != "dns" {
t.Errorf("Identifier.Type = %q; want dns", auth.Identifier.Type)
}
if auth.Identifier.Value != "example.com" {
t.Errorf("Identifier.Value = %q; want example.com", auth.Identifier.Value)
}
if n := len(auth.Challenges); n != 2 {
t.Fatalf("len(auth.Challenges) = %d; want 2", n)
}
c := auth.Challenges[0]
if c.Type != "http-01" {
t.Errorf("c.Type = %q; want http-01", c.Type)
}
if c.URI != "https://ca.tld/acme/challenge/publickey/id1" {
t.Errorf("c.URI = %q; want https://ca.tld/acme/challenge/publickey/id1", c.URI)
}
if c.Token != "token1" {
t.Errorf("c.Token = %q; want token1", c.Token)
}
c = auth.Challenges[1]
if c.Type != "tls-sni-01" {
t.Errorf("c.Type = %q; want tls-sni-01", c.Type)
}
if c.URI != "https://ca.tld/acme/challenge/publickey/id2" {
t.Errorf("c.URI = %q; want https://ca.tld/acme/challenge/publickey/id2", c.URI)
}
if c.Token != "token2" {
t.Errorf("c.Token = %q; want token2", c.Token)
}
combs := [][]int{{0}, {1}}
if !reflect.DeepEqual(auth.Combinations, combs) {
t.Errorf("auth.Combinations: %+v\nwant: %+v\n", auth.Combinations, combs)
}
}
func TestAuthorizeValid(t *testing.T) {
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if r.Method == "HEAD" {
w.Header().Set("Replay-Nonce", "nonce")
return
}
w.WriteHeader(http.StatusCreated)
w.Write([]byte(`{"status":"valid"}`))
}))
defer ts.Close()
client := Client{Key: testKey, dir: &Directory{AuthzURL: ts.URL}}
_, err := client.Authorize(context.Background(), "example.com")
if err != nil {
t.Errorf("err = %v", err)
}
}
func TestGetAuthorization(t *testing.T) {
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if r.Method != "GET" {
t.Errorf("r.Method = %q; want GET", r.Method)
}
w.WriteHeader(http.StatusOK)
fmt.Fprintf(w, `{
"identifier": {"type":"dns","value":"example.com"},
"status":"pending",
"challenges":[
{
"type":"http-01",
"status":"pending",
"uri":"https://ca.tld/acme/challenge/publickey/id1",
"token":"token1"
},
{
"type":"tls-sni-01",
"status":"pending",
"uri":"https://ca.tld/acme/challenge/publickey/id2",
"token":"token2"
}
],
"combinations":[[0],[1]]}`)
}))
defer ts.Close()
cl := Client{Key: testKeyEC}
auth, err := cl.GetAuthorization(context.Background(), ts.URL)
if err != nil {
t.Fatal(err)
}
if auth.Status != "pending" {
t.Errorf("Status = %q; want pending", auth.Status)
}
if auth.Identifier.Type != "dns" {
t.Errorf("Identifier.Type = %q; want dns", auth.Identifier.Type)
}
if auth.Identifier.Value != "example.com" {
t.Errorf("Identifier.Value = %q; want example.com", auth.Identifier.Value)
}
if n := len(auth.Challenges); n != 2 {
t.Fatalf("len(set.Challenges) = %d; want 2", n)
}
c := auth.Challenges[0]
if c.Type != "http-01" {
t.Errorf("c.Type = %q; want http-01", c.Type)
}
if c.URI != "https://ca.tld/acme/challenge/publickey/id1" {
t.Errorf("c.URI = %q; want https://ca.tld/acme/challenge/publickey/id1", c.URI)
}
if c.Token != "token1" {
t.Errorf("c.Token = %q; want token1", c.Token)
}
c = auth.Challenges[1]
if c.Type != "tls-sni-01" {
t.Errorf("c.Type = %q; want tls-sni-01", c.Type)
}
if c.URI != "https://ca.tld/acme/challenge/publickey/id2" {
t.Errorf("c.URI = %q; want https://ca.tld/acme/challenge/publickey/id2", c.URI)
}
if c.Token != "token2" {
t.Errorf("c.Token = %q; want token2", c.Token)
}
combs := [][]int{{0}, {1}}
if !reflect.DeepEqual(auth.Combinations, combs) {
t.Errorf("auth.Combinations: %+v\nwant: %+v\n", auth.Combinations, combs)
}
}
func TestWaitAuthorization(t *testing.T) {
var count int
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
count++
w.Header().Set("Retry-After", "0")
if count > 1 {
fmt.Fprintf(w, `{"status":"valid"}`)
return
}
fmt.Fprintf(w, `{"status":"pending"}`)
}))
defer ts.Close()
type res struct {
authz *Authorization
err error
}
done := make(chan res)
defer close(done)
go func() {
var client Client
a, err := client.WaitAuthorization(context.Background(), ts.URL)
done <- res{a, err}
}()
select {
case <-time.After(5 * time.Second):
t.Fatal("WaitAuthz took too long to return")
case res := <-done:
if res.err != nil {
t.Fatalf("res.err = %v", res.err)
}
if res.authz == nil {
t.Fatal("res.authz is nil")
}
}
}
func TestWaitAuthorizationInvalid(t *testing.T) {
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
fmt.Fprintf(w, `{"status":"invalid"}`)
}))
defer ts.Close()
res := make(chan error)
defer close(res)
go func() {
var client Client
_, err := client.WaitAuthorization(context.Background(), ts.URL)
res <- err
}()
select {
case <-time.After(3 * time.Second):
t.Fatal("WaitAuthz took too long to return")
case err := <-res:
if err == nil {
t.Error("err is nil")
}
if _, ok := err.(*AuthorizationError); !ok {
t.Errorf("err is %T; want *AuthorizationError", err)
}
}
}
func TestWaitAuthorizationClientError(t *testing.T) {
const code = http.StatusBadRequest
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(code)
}))
defer ts.Close()
ch := make(chan error, 1)
go func() {
var client Client
_, err := client.WaitAuthorization(context.Background(), ts.URL)
ch <- err
}()
select {
case <-time.After(3 * time.Second):
t.Fatal("WaitAuthz took too long to return")
case err := <-ch:
res, ok := err.(*Error)
if !ok {
t.Fatalf("err is %v (%T); want a non-nil *Error", err, err)
}
if res.StatusCode != code {
t.Errorf("res.StatusCode = %d; want %d", res.StatusCode, code)
}
}
}
func TestWaitAuthorizationCancel(t *testing.T) {
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Retry-After", "60")
fmt.Fprintf(w, `{"status":"pending"}`)
}))
defer ts.Close()
res := make(chan error)
defer close(res)
go func() {
var client Client
ctx, cancel := context.WithTimeout(context.Background(), 200*time.Millisecond)
defer cancel()
_, err := client.WaitAuthorization(ctx, ts.URL)
res <- err
}()
select {
case <-time.After(time.Second):
t.Fatal("WaitAuthz took too long to return")
case err := <-res:
if err == nil {
t.Error("err is nil")
}
}
}
func TestRevokeAuthorization(t *testing.T) {
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if r.Method == "HEAD" {
w.Header().Set("Replay-Nonce", "nonce")
return
}
switch r.URL.Path {
case "/1":
var req struct {
Resource string
Status string
Delete bool
}
decodeJWSRequest(t, &req, r)
if req.Resource != "authz" {
t.Errorf("req.Resource = %q; want authz", req.Resource)
}
if req.Status != "deactivated" {
t.Errorf("req.Status = %q; want deactivated", req.Status)
}
if !req.Delete {
t.Errorf("req.Delete is false")
}
case "/2":
w.WriteHeader(http.StatusInternalServerError)
}
}))
defer ts.Close()
client := &Client{Key: testKey}
ctx := context.Background()
if err := client.RevokeAuthorization(ctx, ts.URL+"/1"); err != nil {
t.Errorf("err = %v", err)
}
if client.RevokeAuthorization(ctx, ts.URL+"/2") == nil {
t.Error("nil error")
}
}
func TestPollChallenge(t *testing.T) {
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if r.Method != "GET" {
t.Errorf("r.Method = %q; want GET", r.Method)
}
w.WriteHeader(http.StatusOK)
fmt.Fprintf(w, `{
"type":"http-01",
"status":"pending",
"uri":"https://ca.tld/acme/challenge/publickey/id1",
"token":"token1"}`)
}))
defer ts.Close()
cl := Client{Key: testKeyEC}
chall, err := cl.GetChallenge(context.Background(), ts.URL)
if err != nil {
t.Fatal(err)
}
if chall.Status != "pending" {
t.Errorf("Status = %q; want pending", chall.Status)
}
if chall.Type != "http-01" {
t.Errorf("c.Type = %q; want http-01", chall.Type)
}
if chall.URI != "https://ca.tld/acme/challenge/publickey/id1" {
t.Errorf("c.URI = %q; want https://ca.tld/acme/challenge/publickey/id1", chall.URI)
}
if chall.Token != "token1" {
t.Errorf("c.Token = %q; want token1", chall.Token)
}
}
func TestAcceptChallenge(t *testing.T) {
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if r.Method == "HEAD" {
w.Header().Set("Replay-Nonce", "test-nonce")
return
}
if r.Method != "POST" {
t.Errorf("r.Method = %q; want POST", r.Method)
}
var j struct {
Resource string
Type string
Auth string `json:"keyAuthorization"`
}
decodeJWSRequest(t, &j, r)
// Test request
if j.Resource != "challenge" {
t.Errorf(`resource = %q; want "challenge"`, j.Resource)
}
if j.Type != "http-01" {
t.Errorf(`type = %q; want "http-01"`, j.Type)
}
keyAuth := "token1." + testKeyECThumbprint
if j.Auth != keyAuth {
t.Errorf(`keyAuthorization = %q; want %q`, j.Auth, keyAuth)
}
// Respond to request
w.WriteHeader(http.StatusAccepted)
fmt.Fprintf(w, `{
"type":"http-01",
"status":"pending",
"uri":"https://ca.tld/acme/challenge/publickey/id1",
"token":"token1",
"keyAuthorization":%q
}`, keyAuth)
}))
defer ts.Close()
cl := Client{Key: testKeyEC}
c, err := cl.Accept(context.Background(), &Challenge{
URI: ts.URL,
Token: "token1",
Type: "http-01",
})
if err != nil {
t.Fatal(err)
}
if c.Type != "http-01" {
t.Errorf("c.Type = %q; want http-01", c.Type)
}
if c.URI != "https://ca.tld/acme/challenge/publickey/id1" {
t.Errorf("c.URI = %q; want https://ca.tld/acme/challenge/publickey/id1", c.URI)
}
if c.Token != "token1" {
t.Errorf("c.Token = %q; want token1", c.Token)
}
}
func TestNewCert(t *testing.T) {
notBefore := time.Now()
notAfter := notBefore.AddDate(0, 2, 0)
timeNow = func() time.Time { return notBefore }
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if r.Method == "HEAD" {
w.Header().Set("Replay-Nonce", "test-nonce")
return
}
if r.Method != "POST" {
t.Errorf("r.Method = %q; want POST", r.Method)
}
var j struct {
Resource string `json:"resource"`
CSR string `json:"csr"`
NotBefore string `json:"notBefore,omitempty"`
NotAfter string `json:"notAfter,omitempty"`
}
decodeJWSRequest(t, &j, r)
// Test request
if j.Resource != "new-cert" {
t.Errorf(`resource = %q; want "new-cert"`, j.Resource)
}
if j.NotBefore != notBefore.Format(time.RFC3339) {
t.Errorf(`notBefore = %q; wanted %q`, j.NotBefore, notBefore.Format(time.RFC3339))
}
if j.NotAfter != notAfter.Format(time.RFC3339) {
t.Errorf(`notAfter = %q; wanted %q`, j.NotAfter, notAfter.Format(time.RFC3339))
}
// Respond to request
template := x509.Certificate{
SerialNumber: big.NewInt(int64(1)),
Subject: pkix.Name{
Organization: []string{"goacme"},
},
NotBefore: notBefore,
NotAfter: notAfter,
KeyUsage: x509.KeyUsageKeyEncipherment | x509.KeyUsageDigitalSignature,
ExtKeyUsage: []x509.ExtKeyUsage{x509.ExtKeyUsageServerAuth},
BasicConstraintsValid: true,
}
sampleCert, err := x509.CreateCertificate(rand.Reader, &template, &template, &testKeyEC.PublicKey, testKeyEC)
if err != nil {
t.Fatalf("Error creating certificate: %v", err)
}
w.Header().Set("Location", "https://ca.tld/acme/cert/1")
w.WriteHeader(http.StatusCreated)
w.Write(sampleCert)
}))
defer ts.Close()
csr := x509.CertificateRequest{
Version: 0,
Subject: pkix.Name{
CommonName: "example.com",
Organization: []string{"goacme"},
},
}
csrb, err := x509.CreateCertificateRequest(rand.Reader, &csr, testKeyEC)
if err != nil {
t.Fatal(err)
}
c := Client{Key: testKeyEC, dir: &Directory{CertURL: ts.URL}}
cert, certURL, err := c.CreateCert(context.Background(), csrb, notAfter.Sub(notBefore), false)
if err != nil {
t.Fatal(err)
}
if cert == nil {
t.Errorf("cert is nil")
}
if certURL != "https://ca.tld/acme/cert/1" {
t.Errorf("certURL = %q; want https://ca.tld/acme/cert/1", certURL)
}
}
func TestFetchCert(t *testing.T) {
var count byte
var ts *httptest.Server
ts = httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
count++
if count < 3 {
up := fmt.Sprintf("<%s>;rel=up", ts.URL)
w.Header().Set("Link", up)
}
w.Write([]byte{count})
}))
defer ts.Close()
res, err := (&Client{}).FetchCert(context.Background(), ts.URL, true)
if err != nil {
t.Fatalf("FetchCert: %v", err)
}
cert := [][]byte{{1}, {2}, {3}}
if !reflect.DeepEqual(res, cert) {
t.Errorf("res = %v; want %v", res, cert)
}
}
func TestFetchCertRetry(t *testing.T) {
var count int
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if count < 1 {
w.Header().Set("Retry-After", "0")
w.WriteHeader(http.StatusAccepted)
count++
return
}
w.Write([]byte{1})
}))
defer ts.Close()
res, err := (&Client{}).FetchCert(context.Background(), ts.URL, false)
if err != nil {
t.Fatalf("FetchCert: %v", err)
}
cert := [][]byte{{1}}
if !reflect.DeepEqual(res, cert) {
t.Errorf("res = %v; want %v", res, cert)
}
}
func TestFetchCertCancel(t *testing.T) {
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Retry-After", "0")
w.WriteHeader(http.StatusAccepted)
}))
defer ts.Close()
ctx, cancel := context.WithCancel(context.Background())
done := make(chan struct{})
var err error
go func() {
_, err = (&Client{}).FetchCert(ctx, ts.URL, false)
close(done)
}()
cancel()
<-done
if err != context.Canceled {
t.Errorf("err = %v; want %v", err, context.Canceled)
}
}
func TestFetchCertDepth(t *testing.T) {
var count byte
var ts *httptest.Server
ts = httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
count++
if count > maxChainLen+1 {
t.Errorf("count = %d; want at most %d", count, maxChainLen+1)
w.WriteHeader(http.StatusInternalServerError)
}
w.Header().Set("Link", fmt.Sprintf("<%s>;rel=up", ts.URL))
w.Write([]byte{count})
}))
defer ts.Close()
_, err := (&Client{}).FetchCert(context.Background(), ts.URL, true)
if err == nil {
t.Errorf("err is nil")
}
}
func TestFetchCertBreadth(t *testing.T) {
var ts *httptest.Server
ts = httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
for i := 0; i < maxChainLen+1; i++ {
w.Header().Add("Link", fmt.Sprintf("<%s>;rel=up", ts.URL))
}
w.Write([]byte{1})
}))
defer ts.Close()
_, err := (&Client{}).FetchCert(context.Background(), ts.URL, true)
if err == nil {
t.Errorf("err is nil")
}
}
func TestFetchCertSize(t *testing.T) {
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
b := bytes.Repeat([]byte{1}, maxCertSize+1)
w.Write(b)
}))
defer ts.Close()
_, err := (&Client{}).FetchCert(context.Background(), ts.URL, false)
if err == nil {
t.Errorf("err is nil")
}
}
func TestRevokeCert(t *testing.T) {
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if r.Method == "HEAD" {
w.Header().Set("Replay-Nonce", "nonce")
return
}
var req struct {
Resource string
Certificate string
Reason int
}
decodeJWSRequest(t, &req, r)
if req.Resource != "revoke-cert" {
t.Errorf("req.Resource = %q; want revoke-cert", req.Resource)
}
if req.Reason != 1 {
t.Errorf("req.Reason = %d; want 1", req.Reason)
}
// echo -n cert | base64 | tr -d '=' | tr '/+' '_-'
cert := "Y2VydA"
if req.Certificate != cert {
t.Errorf("req.Certificate = %q; want %q", req.Certificate, cert)
}
}))
defer ts.Close()
client := &Client{
Key: testKeyEC,
dir: &Directory{RevokeURL: ts.URL},
}
ctx := context.Background()
if err := client.RevokeCert(ctx, nil, []byte("cert"), CRLReasonKeyCompromise); err != nil {
t.Fatal(err)
}
}
func TestNonce_add(t *testing.T) {
var c Client
c.addNonce(http.Header{"Replay-Nonce": {"nonce"}})
c.addNonce(http.Header{"Replay-Nonce": {}})
c.addNonce(http.Header{"Replay-Nonce": {"nonce"}})
nonces := map[string]struct{}{"nonce": {}}
if !reflect.DeepEqual(c.nonces, nonces) {
t.Errorf("c.nonces = %q; want %q", c.nonces, nonces)
}
}
func TestNonce_addMax(t *testing.T) {
c := &Client{nonces: make(map[string]struct{})}
for i := 0; i < maxNonces; i++ {
c.nonces[fmt.Sprintf("%d", i)] = struct{}{}
}
c.addNonce(http.Header{"Replay-Nonce": {"nonce"}})
if n := len(c.nonces); n != maxNonces {
t.Errorf("len(c.nonces) = %d; want %d", n, maxNonces)
}
}
func TestNonce_fetch(t *testing.T) {
tests := []struct {
code int
nonce string
}{
{http.StatusOK, "nonce1"},
{http.StatusBadRequest, "nonce2"},
{http.StatusOK, ""},
}
var i int
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if r.Method != "HEAD" {
t.Errorf("%d: r.Method = %q; want HEAD", i, r.Method)
}
w.Header().Set("Replay-Nonce", tests[i].nonce)
w.WriteHeader(tests[i].code)
}))
defer ts.Close()
for ; i < len(tests); i++ {
test := tests[i]
c := &Client{}
n, err := c.fetchNonce(context.Background(), ts.URL)
if n != test.nonce {
t.Errorf("%d: n=%q; want %q", i, n, test.nonce)
}
switch {
case err == nil && test.nonce == "":
t.Errorf("%d: n=%q, err=%v; want non-nil error", i, n, err)
case err != nil && test.nonce != "":
t.Errorf("%d: n=%q, err=%v; want %q", i, n, err, test.nonce)
}
}
}
func TestNonce_fetchError(t *testing.T) {
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(http.StatusTooManyRequests)
}))
defer ts.Close()
c := &Client{}
_, err := c.fetchNonce(context.Background(), ts.URL)
e, ok := err.(*Error)
if !ok {
t.Fatalf("err is %T; want *Error", err)
}
if e.StatusCode != http.StatusTooManyRequests {
t.Errorf("e.StatusCode = %d; want %d", e.StatusCode, http.StatusTooManyRequests)
}
}
func TestNonce_postJWS(t *testing.T) {
var count int
seen := make(map[string]bool)
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
count++
w.Header().Set("Replay-Nonce", fmt.Sprintf("nonce%d", count))
if r.Method == "HEAD" {
// We expect the client do a HEAD request
// but only to fetch the first nonce.
return
}
// Make client.Authorize happy; we're not testing its result.
defer func() {
w.WriteHeader(http.StatusCreated)
w.Write([]byte(`{"status":"valid"}`))
}()
head, err := decodeJWSHead(r)
if err != nil {
t.Errorf("decodeJWSHead: %v", err)
return
}
if head.Nonce == "" {
t.Error("head.Nonce is empty")
return
}
if seen[head.Nonce] {
t.Errorf("nonce is already used: %q", head.Nonce)
}
seen[head.Nonce] = true
}))
defer ts.Close()
client := Client{Key: testKey, dir: &Directory{AuthzURL: ts.URL}}
if _, err := client.Authorize(context.Background(), "example.com"); err != nil {
t.Errorf("client.Authorize 1: %v", err)
}
// The second call should not generate another extra HEAD request.
if _, err := client.Authorize(context.Background(), "example.com"); err != nil {
t.Errorf("client.Authorize 2: %v", err)
}
if count != 3 {
t.Errorf("total requests count: %d; want 3", count)
}
if n := len(client.nonces); n != 1 {
t.Errorf("len(client.nonces) = %d; want 1", n)
}
for k := range seen {
if _, exist := client.nonces[k]; exist {
t.Errorf("used nonce %q in client.nonces", k)
}
}
}
func TestRetryPostJWS(t *testing.T) {
var count int
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
count++
w.Header().Set("Replay-Nonce", fmt.Sprintf("nonce%d", count))
if r.Method == "HEAD" {
// We expect the client to do 2 head requests to fetch
// nonces, one to start and another after getting badNonce
return
}
head, err := decodeJWSHead(r)
if err != nil {
t.Errorf("decodeJWSHead: %v", err)
} else if head.Nonce == "" {
t.Error("head.Nonce is empty")
} else if head.Nonce == "nonce1" {
// return a badNonce error to force the call to retry
w.WriteHeader(http.StatusBadRequest)
w.Write([]byte(`{"type":"urn:ietf:params:acme:error:badNonce"}`))
return
}
// Make client.Authorize happy; we're not testing its result.
w.WriteHeader(http.StatusCreated)
w.Write([]byte(`{"status":"valid"}`))
}))
defer ts.Close()
client := Client{Key: testKey, dir: &Directory{AuthzURL: ts.URL}}
// This call will fail with badNonce, causing a retry
if _, err := client.Authorize(context.Background(), "example.com"); err != nil {
t.Errorf("client.Authorize 1: %v", err)
}
if count != 4 {
t.Errorf("total requests count: %d; want 4", count)
}
}
func TestLinkHeader(t *testing.T) {
h := http.Header{"Link": {
`<https://example.com/acme/new-authz>;rel="next"`,
`<https://example.com/acme/recover-reg>; rel=recover`,
`<https://example.com/acme/terms>; foo=bar; rel="terms-of-service"`,
`<dup>;rel="next"`,
}}
tests := []struct {
rel string
out []string
}{
{"next", []string{"https://example.com/acme/new-authz", "dup"}},
{"recover", []string{"https://example.com/acme/recover-reg"}},
{"terms-of-service", []string{"https://example.com/acme/terms"}},
{"empty", nil},
}
for i, test := range tests {
if v := linkHeader(h, test.rel); !reflect.DeepEqual(v, test.out) {
t.Errorf("%d: linkHeader(%q): %v; want %v", i, test.rel, v, test.out)
}
}
}
func TestErrorResponse(t *testing.T) {
s := `{
"status": 400,
"type": "urn:acme:error:xxx",
"detail": "text"
}`
res := &http.Response{
StatusCode: 400,
Status: "400 Bad Request",
Body: ioutil.NopCloser(strings.NewReader(s)),
Header: http.Header{"X-Foo": {"bar"}},
}
err := responseError(res)
v, ok := err.(*Error)
if !ok {
t.Fatalf("err = %+v (%T); want *Error type", err, err)
}
if v.StatusCode != 400 {
t.Errorf("v.StatusCode = %v; want 400", v.StatusCode)
}
if v.ProblemType != "urn:acme:error:xxx" {
t.Errorf("v.ProblemType = %q; want urn:acme:error:xxx", v.ProblemType)
}
if v.Detail != "text" {
t.Errorf("v.Detail = %q; want text", v.Detail)
}
if !reflect.DeepEqual(v.Header, res.Header) {
t.Errorf("v.Header = %+v; want %+v", v.Header, res.Header)
}
}
func TestTLSSNI01ChallengeCert(t *testing.T) {
const (
token = "evaGxfADs6pSRb2LAv9IZf17Dt3juxGJ-PCt92wr-oA"
// echo -n <token.testKeyECThumbprint> | shasum -a 256
san = "dbbd5eefe7b4d06eb9d1d9f5acb4c7cd.a27d320e4b30332f0b6cb441734ad7b0.acme.invalid"
)
client := &Client{Key: testKeyEC}
tlscert, name, err := client.TLSSNI01ChallengeCert(token)
if err != nil {
t.Fatal(err)
}
if n := len(tlscert.Certificate); n != 1 {
t.Fatalf("len(tlscert.Certificate) = %d; want 1", n)
}
cert, err := x509.ParseCertificate(tlscert.Certificate[0])
if err != nil {
t.Fatal(err)
}
if len(cert.DNSNames) != 1 || cert.DNSNames[0] != san {
t.Fatalf("cert.DNSNames = %v; want %q", cert.DNSNames, san)
}
if cert.DNSNames[0] != name {
t.Errorf("cert.DNSNames[0] != name: %q vs %q", cert.DNSNames[0], name)
}
if cn := cert.Subject.CommonName; cn != san {
t.Errorf("cert.Subject.CommonName = %q; want %q", cn, san)
}
}
func TestTLSSNI02ChallengeCert(t *testing.T) {
const (
token = "evaGxfADs6pSRb2LAv9IZf17Dt3juxGJ-PCt92wr-oA"
// echo -n evaGxfADs6pSRb2LAv9IZf17Dt3juxGJ-PCt92wr-oA | shasum -a 256
sanA = "7ea0aaa69214e71e02cebb18bb867736.09b730209baabf60e43d4999979ff139.token.acme.invalid"
// echo -n <token.testKeyECThumbprint> | shasum -a 256
sanB = "dbbd5eefe7b4d06eb9d1d9f5acb4c7cd.a27d320e4b30332f0b6cb441734ad7b0.ka.acme.invalid"
)
client := &Client{Key: testKeyEC}
tlscert, name, err := client.TLSSNI02ChallengeCert(token)
if err != nil {
t.Fatal(err)
}
if n := len(tlscert.Certificate); n != 1 {
t.Fatalf("len(tlscert.Certificate) = %d; want 1", n)
}
cert, err := x509.ParseCertificate(tlscert.Certificate[0])
if err != nil {
t.Fatal(err)
}
names := []string{sanA, sanB}
if !reflect.DeepEqual(cert.DNSNames, names) {
t.Fatalf("cert.DNSNames = %v;\nwant %v", cert.DNSNames, names)
}
sort.Strings(cert.DNSNames)
i := sort.SearchStrings(cert.DNSNames, name)
if i >= len(cert.DNSNames) || cert.DNSNames[i] != name {
t.Errorf("%v doesn't have %q", cert.DNSNames, name)
}
if cn := cert.Subject.CommonName; cn != sanA {
t.Errorf("CommonName = %q; want %q", cn, sanA)
}
}
func TestTLSChallengeCertOpt(t *testing.T) {
key, err := rsa.GenerateKey(rand.Reader, 512)
if err != nil {
t.Fatal(err)
}
tmpl := &x509.Certificate{
SerialNumber: big.NewInt(2),
Subject: pkix.Name{Organization: []string{"Test"}},
DNSNames: []string{"should-be-overwritten"},
}
opts := []CertOption{WithKey(key), WithTemplate(tmpl)}
client := &Client{Key: testKeyEC}
cert1, _, err := client.TLSSNI01ChallengeCert("token", opts...)
if err != nil {
t.Fatal(err)
}
cert2, _, err := client.TLSSNI02ChallengeCert("token", opts...)
if err != nil {
t.Fatal(err)
}
for i, tlscert := range []tls.Certificate{cert1, cert2} {
// verify generated cert private key
tlskey, ok := tlscert.PrivateKey.(*rsa.PrivateKey)
if !ok {
t.Errorf("%d: tlscert.PrivateKey is %T; want *rsa.PrivateKey", i, tlscert.PrivateKey)
continue
}
if tlskey.D.Cmp(key.D) != 0 {
t.Errorf("%d: tlskey.D = %v; want %v", i, tlskey.D, key.D)
}
// verify generated cert public key
x509Cert, err := x509.ParseCertificate(tlscert.Certificate[0])
if err != nil {
t.Errorf("%d: %v", i, err)
continue
}
tlspub, ok := x509Cert.PublicKey.(*rsa.PublicKey)
if !ok {
t.Errorf("%d: x509Cert.PublicKey is %T; want *rsa.PublicKey", i, x509Cert.PublicKey)
continue
}
if tlspub.N.Cmp(key.N) != 0 {
t.Errorf("%d: tlspub.N = %v; want %v", i, tlspub.N, key.N)
}
// verify template option
sn := big.NewInt(2)
if x509Cert.SerialNumber.Cmp(sn) != 0 {
t.Errorf("%d: SerialNumber = %v; want %v", i, x509Cert.SerialNumber, sn)
}
org := []string{"Test"}
if !reflect.DeepEqual(x509Cert.Subject.Organization, org) {
t.Errorf("%d: Subject.Organization = %+v; want %+v", i, x509Cert.Subject.Organization, org)
}
for _, v := range x509Cert.DNSNames {
if !strings.HasSuffix(v, ".acme.invalid") {
t.Errorf("%d: invalid DNSNames element: %q", i, v)
}
}
}
}
func TestHTTP01Challenge(t *testing.T) {
const (
token = "xxx"
// thumbprint is precomputed for testKeyEC in jws_test.go
value = token + "." + testKeyECThumbprint
urlpath = "/.well-known/acme-challenge/" + token
)
client := &Client{Key: testKeyEC}
val, err := client.HTTP01ChallengeResponse(token)
if err != nil {
t.Fatal(err)
}
if val != value {
t.Errorf("val = %q; want %q", val, value)
}
if path := client.HTTP01ChallengePath(token); path != urlpath {
t.Errorf("path = %q; want %q", path, urlpath)
}
}
func TestDNS01ChallengeRecord(t *testing.T) {
// echo -n xxx.<testKeyECThumbprint> | \
// openssl dgst -binary -sha256 | \
// base64 | tr -d '=' | tr '/+' '_-'
const value = "8DERMexQ5VcdJ_prpPiA0mVdp7imgbCgjsG4SqqNMIo"
client := &Client{Key: testKeyEC}
val, err := client.DNS01ChallengeRecord("xxx")
if err != nil {
t.Fatal(err)
}
if val != value {
t.Errorf("val = %q; want %q", val, value)
}
}
func TestBackoff(t *testing.T) {
tt := []struct{ min, max time.Duration }{
{time.Second, 2 * time.Second},
{2 * time.Second, 3 * time.Second},
{4 * time.Second, 5 * time.Second},
{8 * time.Second, 9 * time.Second},
}
for i, test := range tt {
d := backoff(i, time.Minute)
if d < test.min || test.max < d {
t.Errorf("%d: d = %v; want between %v and %v", i, d, test.min, test.max)
}
}
min, max := time.Second, 2*time.Second
if d := backoff(-1, time.Minute); d < min || max < d {
t.Errorf("d = %v; want between %v and %v", d, min, max)
}
bound := 10 * time.Second
if d := backoff(100, bound); d != bound {
t.Errorf("d = %v; want %v", d, bound)
}
}