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smallstep-certificates/acme/challenge_test.go
Mariano Cano ba918100d0 Use go.step.sm/crypto/jose 
Replace use of github.com/smallstep/cli/crypto with the new package
go.step.sm/crypto/jose.
2020-08-24 14:44:11 -07:00

1979 lines
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package acme
import (
"bytes"
"context"
"crypto"
"crypto/rand"
"crypto/rsa"
"crypto/sha256"
"crypto/tls"
"crypto/x509"
"crypto/x509/pkix"
"encoding/asn1"
"encoding/base64"
"encoding/hex"
"encoding/json"
"fmt"
"io"
"io/ioutil"
"math/big"
"net"
"net/http"
"net/http/httptest"
"net/url"
"testing"
"time"
"github.com/pkg/errors"
"github.com/smallstep/assert"
"github.com/smallstep/certificates/db"
"github.com/smallstep/nosql"
"github.com/smallstep/nosql/database"
"go.step.sm/crypto/jose"
)
var testOps = ChallengeOptions{
AccountID: "accID",
AuthzID: "authzID",
Identifier: Identifier{
Type: "", // will get set correctly depending on the "new.." method.
Value: "zap.internal",
},
}
func newDNSCh() (challenge, error) {
mockdb := &db.MockNoSQLDB{
MCmpAndSwap: func(bucket, key, old, newval []byte) ([]byte, bool, error) {
return []byte("foo"), true, nil
},
}
return newDNS01Challenge(mockdb, testOps)
}
func newTLSALPNCh() (challenge, error) {
mockdb := &db.MockNoSQLDB{
MCmpAndSwap: func(bucket, key, old, newval []byte) ([]byte, bool, error) {
return []byte("foo"), true, nil
},
}
return newTLSALPN01Challenge(mockdb, testOps)
}
func newHTTPCh() (challenge, error) {
mockdb := &db.MockNoSQLDB{
MCmpAndSwap: func(bucket, key, old, newval []byte) ([]byte, bool, error) {
return []byte("foo"), true, nil
},
}
return newHTTP01Challenge(mockdb, testOps)
}
func TestNewHTTP01Challenge(t *testing.T) {
ops := ChallengeOptions{
AccountID: "accID",
AuthzID: "authzID",
Identifier: Identifier{
Type: "http",
Value: "zap.internal",
},
}
type test struct {
ops ChallengeOptions
db nosql.DB
err *Error
}
tests := map[string]test{
"fail/store-error": {
ops: ops,
db: &db.MockNoSQLDB{
MCmpAndSwap: func(bucket, key, old, newval []byte) ([]byte, bool, error) {
return nil, false, errors.New("force")
},
},
err: ServerInternalErr(errors.New("error saving acme challenge: force")),
},
"ok": {
ops: ops,
db: &db.MockNoSQLDB{
MCmpAndSwap: func(bucket, key, old, newval []byte) ([]byte, bool, error) {
return []byte("foo"), true, nil
},
},
},
}
for name, tc := range tests {
t.Run(name, func(t *testing.T) {
ch, err := newHTTP01Challenge(tc.db, tc.ops)
if err != nil {
if assert.NotNil(t, tc.err) {
ae, ok := err.(*Error)
assert.True(t, ok)
assert.HasPrefix(t, ae.Error(), tc.err.Error())
assert.Equals(t, ae.StatusCode(), tc.err.StatusCode())
assert.Equals(t, ae.Type, tc.err.Type)
}
} else {
if assert.Nil(t, tc.err) {
assert.Equals(t, ch.getAccountID(), ops.AccountID)
assert.Equals(t, ch.getAuthzID(), ops.AuthzID)
assert.Equals(t, ch.getType(), "http-01")
assert.Equals(t, ch.getValue(), "zap.internal")
assert.Equals(t, ch.getStatus(), StatusPending)
assert.True(t, ch.getValidated().IsZero())
assert.True(t, ch.getCreated().Before(time.Now().UTC().Add(time.Minute)))
assert.True(t, ch.getCreated().After(time.Now().UTC().Add(-1*time.Minute)))
assert.True(t, ch.getID() != "")
assert.True(t, ch.getToken() != "")
}
}
})
}
}
func TestNewTLSALPN01Challenge(t *testing.T) {
ops := ChallengeOptions{
AccountID: "accID",
AuthzID: "authzID",
Identifier: Identifier{
Type: "http",
Value: "zap.internal",
},
}
type test struct {
ops ChallengeOptions
db nosql.DB
err *Error
}
tests := map[string]test{
"fail/store-error": {
ops: ops,
db: &db.MockNoSQLDB{
MCmpAndSwap: func(bucket, key, old, newval []byte) ([]byte, bool, error) {
return nil, false, errors.New("force")
},
},
err: ServerInternalErr(errors.New("error saving acme challenge: force")),
},
"ok": {
ops: ops,
db: &db.MockNoSQLDB{
MCmpAndSwap: func(bucket, key, old, newval []byte) ([]byte, bool, error) {
return []byte("foo"), true, nil
},
},
},
}
for name, tc := range tests {
t.Run(name, func(t *testing.T) {
ch, err := newTLSALPN01Challenge(tc.db, tc.ops)
if err != nil {
if assert.NotNil(t, tc.err) {
ae, ok := err.(*Error)
assert.True(t, ok)
assert.HasPrefix(t, ae.Error(), tc.err.Error())
assert.Equals(t, ae.StatusCode(), tc.err.StatusCode())
assert.Equals(t, ae.Type, tc.err.Type)
}
} else {
if assert.Nil(t, tc.err) {
assert.Equals(t, ch.getAccountID(), ops.AccountID)
assert.Equals(t, ch.getAuthzID(), ops.AuthzID)
assert.Equals(t, ch.getType(), "tls-alpn-01")
assert.Equals(t, ch.getValue(), "zap.internal")
assert.Equals(t, ch.getStatus(), StatusPending)
assert.True(t, ch.getValidated().IsZero())
assert.True(t, ch.getCreated().Before(time.Now().UTC().Add(time.Minute)))
assert.True(t, ch.getCreated().After(time.Now().UTC().Add(-1*time.Minute)))
assert.True(t, ch.getID() != "")
assert.True(t, ch.getToken() != "")
}
}
})
}
}
func TestNewDNS01Challenge(t *testing.T) {
ops := ChallengeOptions{
AccountID: "accID",
AuthzID: "authzID",
Identifier: Identifier{
Type: "dns",
Value: "zap.internal",
},
}
type test struct {
ops ChallengeOptions
db nosql.DB
err *Error
}
tests := map[string]test{
"fail/store-error": {
ops: ops,
db: &db.MockNoSQLDB{
MCmpAndSwap: func(bucket, key, old, newval []byte) ([]byte, bool, error) {
return nil, false, errors.New("force")
},
},
err: ServerInternalErr(errors.New("error saving acme challenge: force")),
},
"ok": {
ops: ops,
db: &db.MockNoSQLDB{
MCmpAndSwap: func(bucket, key, old, newval []byte) ([]byte, bool, error) {
return []byte("foo"), true, nil
},
},
},
}
for name, tc := range tests {
t.Run(name, func(t *testing.T) {
ch, err := newDNS01Challenge(tc.db, tc.ops)
if err != nil {
if assert.NotNil(t, tc.err) {
ae, ok := err.(*Error)
assert.True(t, ok)
assert.HasPrefix(t, ae.Error(), tc.err.Error())
assert.Equals(t, ae.StatusCode(), tc.err.StatusCode())
assert.Equals(t, ae.Type, tc.err.Type)
}
} else {
if assert.Nil(t, tc.err) {
assert.Equals(t, ch.getAccountID(), ops.AccountID)
assert.Equals(t, ch.getAuthzID(), ops.AuthzID)
assert.Equals(t, ch.getType(), "dns-01")
assert.Equals(t, ch.getValue(), "zap.internal")
assert.Equals(t, ch.getStatus(), StatusPending)
assert.True(t, ch.getValidated().IsZero())
assert.True(t, ch.getCreated().Before(time.Now().UTC().Add(time.Minute)))
assert.True(t, ch.getCreated().After(time.Now().UTC().Add(-1*time.Minute)))
assert.True(t, ch.getID() != "")
assert.True(t, ch.getToken() != "")
}
}
})
}
}
func TestChallengeToACME(t *testing.T) {
dir := newDirectory("ca.smallstep.com", "acme")
httpCh, err := newHTTPCh()
assert.FatalError(t, err)
_httpCh, ok := httpCh.(*http01Challenge)
assert.Fatal(t, ok)
_httpCh.baseChallenge.Validated = clock.Now()
dnsCh, err := newDNSCh()
assert.FatalError(t, err)
tlsALPNCh, err := newTLSALPNCh()
assert.FatalError(t, err)
prov := newProv()
provName := url.PathEscape(prov.GetName())
baseURL := &url.URL{Scheme: "https", Host: "test.ca.smallstep.com"}
ctx := context.WithValue(context.Background(), ProvisionerContextKey, prov)
ctx = context.WithValue(ctx, BaseURLContextKey, baseURL)
tests := map[string]challenge{
"dns": dnsCh,
"http": httpCh,
"tls-alpn": tlsALPNCh,
}
for name, ch := range tests {
t.Run(name, func(t *testing.T) {
ach, err := ch.toACME(ctx, nil, dir)
assert.FatalError(t, err)
assert.Equals(t, ach.Type, ch.getType())
assert.Equals(t, ach.Status, ch.getStatus())
assert.Equals(t, ach.Token, ch.getToken())
assert.Equals(t, ach.URL,
fmt.Sprintf("%s/acme/%s/challenge/%s",
baseURL.String(), provName, ch.getID()))
assert.Equals(t, ach.ID, ch.getID())
assert.Equals(t, ach.AuthzID, ch.getAuthzID())
if ach.Type == "http-01" {
v, err := time.Parse(time.RFC3339, ach.Validated)
assert.FatalError(t, err)
assert.Equals(t, v.String(), _httpCh.baseChallenge.Validated.String())
} else {
assert.Equals(t, ach.Validated, "")
}
})
}
}
func TestChallengeSave(t *testing.T) {
type test struct {
ch challenge
old challenge
db nosql.DB
err *Error
}
tests := map[string]func(t *testing.T) test{
"fail/old-nil/swap-error": func(t *testing.T) test {
httpCh, err := newHTTPCh()
assert.FatalError(t, err)
return test{
ch: httpCh,
old: nil,
db: &db.MockNoSQLDB{
MCmpAndSwap: func(bucket, key, old, newval []byte) ([]byte, bool, error) {
return nil, false, errors.New("force")
},
},
err: ServerInternalErr(errors.New("error saving acme challenge: force")),
}
},
"fail/old-nil/swap-false": func(t *testing.T) test {
httpCh, err := newHTTPCh()
assert.FatalError(t, err)
return test{
ch: httpCh,
old: nil,
db: &db.MockNoSQLDB{
MCmpAndSwap: func(bucket, key, old, newval []byte) ([]byte, bool, error) {
return []byte("foo"), false, nil
},
},
err: ServerInternalErr(errors.New("error saving acme challenge; acme challenge has changed since last read")),
}
},
"ok/old-nil": func(t *testing.T) test {
httpCh, err := newHTTPCh()
assert.FatalError(t, err)
b, err := json.Marshal(httpCh)
assert.FatalError(t, err)
return test{
ch: httpCh,
old: nil,
db: &db.MockNoSQLDB{
MCmpAndSwap: func(bucket, key, old, newval []byte) ([]byte, bool, error) {
assert.Equals(t, old, nil)
assert.Equals(t, b, newval)
assert.Equals(t, bucket, challengeTable)
assert.Equals(t, []byte(httpCh.getID()), key)
return []byte("foo"), true, nil
},
},
}
},
"ok/old-not-nil": func(t *testing.T) test {
oldHTTPCh, err := newHTTPCh()
assert.FatalError(t, err)
httpCh, err := newHTTPCh()
assert.FatalError(t, err)
oldb, err := json.Marshal(oldHTTPCh)
assert.FatalError(t, err)
b, err := json.Marshal(httpCh)
assert.FatalError(t, err)
return test{
ch: httpCh,
old: oldHTTPCh,
db: &db.MockNoSQLDB{
MCmpAndSwap: func(bucket, key, old, newval []byte) ([]byte, bool, error) {
assert.Equals(t, old, oldb)
assert.Equals(t, b, newval)
assert.Equals(t, bucket, challengeTable)
assert.Equals(t, []byte(httpCh.getID()), key)
return []byte("foo"), true, nil
},
},
}
},
}
for name, run := range tests {
t.Run(name, func(t *testing.T) {
tc := run(t)
if err := tc.ch.save(tc.db, tc.old); err != nil {
if assert.NotNil(t, tc.err) {
ae, ok := err.(*Error)
assert.True(t, ok)
assert.HasPrefix(t, ae.Error(), tc.err.Error())
assert.Equals(t, ae.StatusCode(), tc.err.StatusCode())
assert.Equals(t, ae.Type, tc.err.Type)
}
} else {
assert.Nil(t, tc.err)
}
})
}
}
func TestChallengeClone(t *testing.T) {
ch, err := newHTTPCh()
assert.FatalError(t, err)
clone := ch.clone()
assert.Equals(t, clone.getID(), ch.getID())
assert.Equals(t, clone.getAccountID(), ch.getAccountID())
assert.Equals(t, clone.getAuthzID(), ch.getAuthzID())
assert.Equals(t, clone.getStatus(), ch.getStatus())
assert.Equals(t, clone.getToken(), ch.getToken())
assert.Equals(t, clone.getCreated(), ch.getCreated())
assert.Equals(t, clone.getValidated(), ch.getValidated())
clone.Status = StatusValid
assert.NotEquals(t, clone.getStatus(), ch.getStatus())
}
func TestChallengeUnmarshal(t *testing.T) {
type test struct {
ch challenge
chb []byte
err *Error
}
tests := map[string]func(t *testing.T) test{
"fail/nil": func(t *testing.T) test {
return test{
chb: nil,
err: ServerInternalErr(errors.New("error unmarshaling challenge type: unexpected end of JSON input")),
}
},
"fail/unexpected-type-http": func(t *testing.T) test {
httpCh, err := newHTTPCh()
assert.FatalError(t, err)
_httpCh, ok := httpCh.(*http01Challenge)
assert.Fatal(t, ok)
_httpCh.baseChallenge.Type = "foo"
b, err := json.Marshal(httpCh)
assert.FatalError(t, err)
return test{
chb: b,
err: ServerInternalErr(errors.New("unexpected challenge type foo")),
}
},
"fail/unexpected-type-alpn": func(t *testing.T) test {
tlsALPNCh, err := newTLSALPNCh()
assert.FatalError(t, err)
_tlsALPNCh, ok := tlsALPNCh.(*tlsALPN01Challenge)
assert.Fatal(t, ok)
_tlsALPNCh.baseChallenge.Type = "foo"
b, err := json.Marshal(tlsALPNCh)
assert.FatalError(t, err)
return test{
chb: b,
err: ServerInternalErr(errors.New("unexpected challenge type foo")),
}
},
"fail/unexpected-type-dns": func(t *testing.T) test {
dnsCh, err := newDNSCh()
assert.FatalError(t, err)
_dnsCh, ok := dnsCh.(*dns01Challenge)
assert.Fatal(t, ok)
_dnsCh.baseChallenge.Type = "foo"
b, err := json.Marshal(dnsCh)
assert.FatalError(t, err)
return test{
chb: b,
err: ServerInternalErr(errors.New("unexpected challenge type foo")),
}
},
"ok/dns": func(t *testing.T) test {
dnsCh, err := newDNSCh()
assert.FatalError(t, err)
b, err := json.Marshal(dnsCh)
assert.FatalError(t, err)
return test{
ch: dnsCh,
chb: b,
}
},
"ok/http": func(t *testing.T) test {
httpCh, err := newHTTPCh()
assert.FatalError(t, err)
b, err := json.Marshal(httpCh)
assert.FatalError(t, err)
return test{
ch: httpCh,
chb: b,
}
},
"ok/alpn": func(t *testing.T) test {
tlsALPNCh, err := newTLSALPNCh()
assert.FatalError(t, err)
b, err := json.Marshal(tlsALPNCh)
assert.FatalError(t, err)
return test{
ch: tlsALPNCh,
chb: b,
}
},
"ok/err": func(t *testing.T) test {
httpCh, err := newHTTPCh()
assert.FatalError(t, err)
_httpCh, ok := httpCh.(*http01Challenge)
assert.Fatal(t, ok)
_httpCh.baseChallenge.Error = ServerInternalErr(errors.New("force")).ToACME()
b, err := json.Marshal(httpCh)
assert.FatalError(t, err)
return test{
ch: httpCh,
chb: b,
}
},
}
for name, run := range tests {
t.Run(name, func(t *testing.T) {
tc := run(t)
if ch, err := unmarshalChallenge(tc.chb); err != nil {
if assert.NotNil(t, tc.err) {
ae, ok := err.(*Error)
assert.True(t, ok)
assert.HasPrefix(t, ae.Error(), tc.err.Error())
assert.Equals(t, ae.StatusCode(), tc.err.StatusCode())
assert.Equals(t, ae.Type, tc.err.Type)
}
} else {
if assert.Nil(t, tc.err) {
assert.Equals(t, tc.ch.getID(), ch.getID())
assert.Equals(t, tc.ch.getAccountID(), ch.getAccountID())
assert.Equals(t, tc.ch.getAuthzID(), ch.getAuthzID())
assert.Equals(t, tc.ch.getStatus(), ch.getStatus())
assert.Equals(t, tc.ch.getToken(), ch.getToken())
assert.Equals(t, tc.ch.getCreated(), ch.getCreated())
assert.Equals(t, tc.ch.getValidated(), ch.getValidated())
}
}
})
}
}
func TestGetChallenge(t *testing.T) {
type test struct {
id string
db nosql.DB
ch challenge
err *Error
}
tests := map[string]func(t *testing.T) test{
"fail/not-found": func(t *testing.T) test {
dnsCh, err := newDNSCh()
assert.FatalError(t, err)
return test{
ch: dnsCh,
id: dnsCh.getID(),
db: &db.MockNoSQLDB{
MGet: func(bucket, key []byte) ([]byte, error) {
return nil, database.ErrNotFound
},
},
err: MalformedErr(errors.Errorf("challenge %s not found: not found", dnsCh.getID())),
}
},
"fail/db-error": func(t *testing.T) test {
dnsCh, err := newDNSCh()
assert.FatalError(t, err)
return test{
ch: dnsCh,
id: dnsCh.getID(),
db: &db.MockNoSQLDB{
MGet: func(bucket, key []byte) ([]byte, error) {
return nil, errors.New("force")
},
},
err: ServerInternalErr(errors.Errorf("error loading challenge %s: force", dnsCh.getID())),
}
},
"fail/unmarshal-error": func(t *testing.T) test {
dnsCh, err := newDNSCh()
assert.FatalError(t, err)
_dnsCh, ok := dnsCh.(*dns01Challenge)
assert.Fatal(t, ok)
_dnsCh.baseChallenge.Type = "foo"
b, err := json.Marshal(dnsCh)
assert.FatalError(t, err)
return test{
ch: dnsCh,
id: dnsCh.getID(),
db: &db.MockNoSQLDB{
MGet: func(bucket, key []byte) ([]byte, error) {
assert.Equals(t, bucket, challengeTable)
assert.Equals(t, key, []byte(dnsCh.getID()))
return b, nil
},
},
err: ServerInternalErr(errors.New("unexpected challenge type foo")),
}
},
"ok": func(t *testing.T) test {
dnsCh, err := newDNSCh()
assert.FatalError(t, err)
b, err := json.Marshal(dnsCh)
assert.FatalError(t, err)
return test{
ch: dnsCh,
id: dnsCh.getID(),
db: &db.MockNoSQLDB{
MGet: func(bucket, key []byte) ([]byte, error) {
assert.Equals(t, bucket, challengeTable)
assert.Equals(t, key, []byte(dnsCh.getID()))
return b, nil
},
},
}
},
}
for name, run := range tests {
t.Run(name, func(t *testing.T) {
tc := run(t)
if ch, err := getChallenge(tc.db, tc.id); err != nil {
if assert.NotNil(t, tc.err) {
ae, ok := err.(*Error)
assert.True(t, ok)
assert.HasPrefix(t, ae.Error(), tc.err.Error())
assert.Equals(t, ae.StatusCode(), tc.err.StatusCode())
assert.Equals(t, ae.Type, tc.err.Type)
}
} else {
if assert.Nil(t, tc.err) {
assert.Equals(t, tc.ch.getID(), ch.getID())
assert.Equals(t, tc.ch.getAccountID(), ch.getAccountID())
assert.Equals(t, tc.ch.getAuthzID(), ch.getAuthzID())
assert.Equals(t, tc.ch.getStatus(), ch.getStatus())
assert.Equals(t, tc.ch.getToken(), ch.getToken())
assert.Equals(t, tc.ch.getCreated(), ch.getCreated())
assert.Equals(t, tc.ch.getValidated(), ch.getValidated())
}
}
})
}
}
func TestKeyAuthorization(t *testing.T) {
type test struct {
token string
jwk *jose.JSONWebKey
exp string
err *Error
}
tests := map[string]func(t *testing.T) test{
"fail/jwk-thumbprint-error": func(t *testing.T) test {
jwk, err := jose.GenerateJWK("EC", "P-256", "ES256", "sig", "", 0)
assert.FatalError(t, err)
jwk.Key = "foo"
return test{
token: "1234",
jwk: jwk,
err: ServerInternalErr(errors.Errorf("error generating JWK thumbprint: square/go-jose: unknown key type 'string'")),
}
},
"ok": func(t *testing.T) test {
token := "1234"
jwk, err := jose.GenerateJWK("EC", "P-256", "ES256", "sig", "", 0)
assert.FatalError(t, err)
thumbprint, err := jwk.Thumbprint(crypto.SHA256)
assert.FatalError(t, err)
encPrint := base64.RawURLEncoding.EncodeToString(thumbprint)
return test{
token: token,
jwk: jwk,
exp: fmt.Sprintf("%s.%s", token, encPrint),
}
},
}
for name, run := range tests {
t.Run(name, func(t *testing.T) {
tc := run(t)
if ka, err := KeyAuthorization(tc.token, tc.jwk); err != nil {
if assert.NotNil(t, tc.err) {
ae, ok := err.(*Error)
assert.True(t, ok)
assert.HasPrefix(t, ae.Error(), tc.err.Error())
assert.Equals(t, ae.StatusCode(), tc.err.StatusCode())
assert.Equals(t, ae.Type, tc.err.Type)
}
} else {
if assert.Nil(t, tc.err) {
assert.Equals(t, tc.exp, ka)
}
}
})
}
}
type errReader int
func (errReader) Read(p []byte) (n int, err error) {
return 0, errors.New("force")
}
func (errReader) Close() error {
return nil
}
func TestHTTP01Validate(t *testing.T) {
type test struct {
vo validateOptions
ch challenge
res challenge
jwk *jose.JSONWebKey
db nosql.DB
err *Error
}
tests := map[string]func(t *testing.T) test{
"ok/status-already-valid": func(t *testing.T) test {
ch, err := newHTTPCh()
assert.FatalError(t, err)
_ch, ok := ch.(*http01Challenge)
assert.Fatal(t, ok)
_ch.baseChallenge.Status = StatusValid
return test{
ch: ch,
res: ch,
}
},
"ok/status-already-invalid": func(t *testing.T) test {
ch, err := newHTTPCh()
assert.FatalError(t, err)
_ch, ok := ch.(*http01Challenge)
assert.Fatal(t, ok)
_ch.baseChallenge.Status = StatusInvalid
return test{
ch: ch,
res: ch,
}
},
"ok/http-get-error": func(t *testing.T) test {
ch, err := newHTTPCh()
assert.FatalError(t, err)
oldb, err := json.Marshal(ch)
assert.FatalError(t, err)
expErr := ConnectionErr(errors.Errorf("error doing http GET for url "+
"http://zap.internal/.well-known/acme-challenge/%s: force", ch.getToken()))
baseClone := ch.clone()
baseClone.Error = expErr.ToACME()
newCh := &http01Challenge{baseClone}
newb, err := json.Marshal(newCh)
assert.FatalError(t, err)
return test{
ch: ch,
vo: validateOptions{
httpGet: func(url string) (*http.Response, error) {
return nil, errors.New("force")
},
},
db: &db.MockNoSQLDB{
MCmpAndSwap: func(bucket, key, old, newval []byte) ([]byte, bool, error) {
assert.Equals(t, bucket, challengeTable)
assert.Equals(t, key, []byte(ch.getID()))
assert.Equals(t, old, oldb)
assert.Equals(t, newval, newb)
return nil, true, nil
},
},
res: ch,
}
},
"ok/http-get->=400": func(t *testing.T) test {
ch, err := newHTTPCh()
assert.FatalError(t, err)
oldb, err := json.Marshal(ch)
assert.FatalError(t, err)
expErr := ConnectionErr(errors.Errorf("error doing http GET for url "+
"http://zap.internal/.well-known/acme-challenge/%s with status code 400", ch.getToken()))
baseClone := ch.clone()
baseClone.Error = expErr.ToACME()
newCh := &http01Challenge{baseClone}
newb, err := json.Marshal(newCh)
assert.FatalError(t, err)
return test{
ch: ch,
vo: validateOptions{
httpGet: func(url string) (*http.Response, error) {
return &http.Response{
StatusCode: http.StatusBadRequest,
}, nil
},
},
db: &db.MockNoSQLDB{
MCmpAndSwap: func(bucket, key, old, newval []byte) ([]byte, bool, error) {
assert.Equals(t, bucket, challengeTable)
assert.Equals(t, key, []byte(ch.getID()))
assert.Equals(t, old, oldb)
assert.Equals(t, newval, newb)
return nil, true, nil
},
},
res: ch,
}
},
"fail/read-body": func(t *testing.T) test {
ch, err := newHTTPCh()
assert.FatalError(t, err)
jwk, err := jose.GenerateJWK("EC", "P-256", "ES256", "sig", "", 0)
assert.FatalError(t, err)
jwk.Key = "foo"
return test{
ch: ch,
vo: validateOptions{
httpGet: func(url string) (*http.Response, error) {
return &http.Response{
Body: errReader(0),
}, nil
},
},
jwk: jwk,
err: ServerInternalErr(errors.Errorf("error reading response "+
"body for url http://zap.internal/.well-known/acme-challenge/%s: force",
ch.getToken())),
}
},
"fail/key-authorization-gen-error": func(t *testing.T) test {
ch, err := newHTTPCh()
assert.FatalError(t, err)
jwk, err := jose.GenerateJWK("EC", "P-256", "ES256", "sig", "", 0)
assert.FatalError(t, err)
jwk.Key = "foo"
return test{
ch: ch,
vo: validateOptions{
httpGet: func(url string) (*http.Response, error) {
return &http.Response{
Body: ioutil.NopCloser(bytes.NewBufferString("foo")),
}, nil
},
},
jwk: jwk,
err: ServerInternalErr(errors.New("error generating JWK thumbprint: square/go-jose: unknown key type 'string'")),
}
},
"ok/key-auth-mismatch": func(t *testing.T) test {
ch, err := newHTTPCh()
assert.FatalError(t, err)
oldb, err := json.Marshal(ch)
assert.FatalError(t, err)
jwk, err := jose.GenerateJWK("EC", "P-256", "ES256", "sig", "", 0)
assert.FatalError(t, err)
expKeyAuth, err := KeyAuthorization(ch.getToken(), jwk)
assert.FatalError(t, err)
expErr := RejectedIdentifierErr(errors.Errorf("keyAuthorization does not match; "+
"expected %s, but got foo", expKeyAuth))
baseClone := ch.clone()
baseClone.Error = expErr.ToACME()
newCh := &http01Challenge{baseClone}
newb, err := json.Marshal(newCh)
assert.FatalError(t, err)
return test{
ch: ch,
vo: validateOptions{
httpGet: func(url string) (*http.Response, error) {
return &http.Response{
Body: ioutil.NopCloser(bytes.NewBufferString("foo")),
}, nil
},
},
jwk: jwk,
db: &db.MockNoSQLDB{
MCmpAndSwap: func(bucket, key, old, newval []byte) ([]byte, bool, error) {
assert.Equals(t, bucket, challengeTable)
assert.Equals(t, key, []byte(ch.getID()))
assert.Equals(t, old, oldb)
assert.Equals(t, newval, newb)
return nil, true, nil
},
},
res: ch,
}
},
"fail/save-error": func(t *testing.T) test {
ch, err := newHTTPCh()
assert.FatalError(t, err)
jwk, err := jose.GenerateJWK("EC", "P-256", "ES256", "sig", "", 0)
assert.FatalError(t, err)
expKeyAuth, err := KeyAuthorization(ch.getToken(), jwk)
assert.FatalError(t, err)
return test{
ch: ch,
vo: validateOptions{
httpGet: func(url string) (*http.Response, error) {
return &http.Response{
Body: ioutil.NopCloser(bytes.NewBufferString(expKeyAuth)),
}, nil
},
},
jwk: jwk,
db: &db.MockNoSQLDB{
MCmpAndSwap: func(bucket, key, old, newval []byte) ([]byte, bool, error) {
return nil, false, errors.New("force")
},
},
err: ServerInternalErr(errors.New("error saving acme challenge: force")),
}
},
"ok": func(t *testing.T) test {
ch, err := newHTTPCh()
assert.FatalError(t, err)
_ch, ok := ch.(*http01Challenge)
assert.Fatal(t, ok)
_ch.baseChallenge.Error = MalformedErr(nil).ToACME()
oldb, err := json.Marshal(ch)
assert.FatalError(t, err)
jwk, err := jose.GenerateJWK("EC", "P-256", "ES256", "sig", "", 0)
assert.FatalError(t, err)
expKeyAuth, err := KeyAuthorization(ch.getToken(), jwk)
assert.FatalError(t, err)
baseClone := ch.clone()
baseClone.Status = StatusValid
baseClone.Error = nil
newCh := &http01Challenge{baseClone}
return test{
ch: ch,
res: newCh,
vo: validateOptions{
httpGet: func(url string) (*http.Response, error) {
return &http.Response{
Body: ioutil.NopCloser(bytes.NewBufferString(expKeyAuth)),
}, nil
},
},
jwk: jwk,
db: &db.MockNoSQLDB{
MCmpAndSwap: func(bucket, key, old, newval []byte) ([]byte, bool, error) {
assert.Equals(t, bucket, challengeTable)
assert.Equals(t, key, []byte(ch.getID()))
assert.Equals(t, old, oldb)
httpCh, err := unmarshalChallenge(newval)
assert.FatalError(t, err)
assert.Equals(t, httpCh.getStatus(), StatusValid)
assert.True(t, httpCh.getValidated().Before(time.Now().UTC().Add(time.Minute)))
assert.True(t, httpCh.getValidated().After(time.Now().UTC().Add(-1*time.Second)))
baseClone.Validated = httpCh.getValidated()
return nil, true, nil
},
},
}
},
}
for name, run := range tests {
t.Run(name, func(t *testing.T) {
tc := run(t)
if ch, err := tc.ch.validate(tc.db, tc.jwk, tc.vo); err != nil {
if assert.NotNil(t, tc.err) {
ae, ok := err.(*Error)
assert.True(t, ok)
assert.HasPrefix(t, ae.Error(), tc.err.Error())
assert.Equals(t, ae.StatusCode(), tc.err.StatusCode())
assert.Equals(t, ae.Type, tc.err.Type)
}
} else {
if assert.Nil(t, tc.err) {
assert.Equals(t, tc.res.getID(), ch.getID())
assert.Equals(t, tc.res.getAccountID(), ch.getAccountID())
assert.Equals(t, tc.res.getAuthzID(), ch.getAuthzID())
assert.Equals(t, tc.res.getStatus(), ch.getStatus())
assert.Equals(t, tc.res.getToken(), ch.getToken())
assert.Equals(t, tc.res.getCreated(), ch.getCreated())
assert.Equals(t, tc.res.getValidated(), ch.getValidated())
assert.Equals(t, tc.res.getError(), ch.getError())
}
}
})
}
}
func TestTLSALPN01Validate(t *testing.T) {
type test struct {
srv *httptest.Server
vo validateOptions
ch challenge
res challenge
jwk *jose.JSONWebKey
db nosql.DB
err *Error
}
tests := map[string]func(t *testing.T) test{
"ok/status-already-valid": func(t *testing.T) test {
ch, err := newTLSALPNCh()
assert.FatalError(t, err)
_ch, ok := ch.(*tlsALPN01Challenge)
assert.Fatal(t, ok)
_ch.baseChallenge.Status = StatusValid
return test{
ch: ch,
res: ch,
}
},
"ok/status-already-invalid": func(t *testing.T) test {
ch, err := newTLSALPNCh()
assert.FatalError(t, err)
_ch, ok := ch.(*tlsALPN01Challenge)
assert.Fatal(t, ok)
_ch.baseChallenge.Status = StatusInvalid
return test{
ch: ch,
res: ch,
}
},
"ok/tls-dial-error": func(t *testing.T) test {
ch, err := newTLSALPNCh()
assert.FatalError(t, err)
oldb, err := json.Marshal(ch)
assert.FatalError(t, err)
expErr := ConnectionErr(errors.Errorf("error doing TLS dial for %v:443: force", ch.getValue()))
baseClone := ch.clone()
baseClone.Error = expErr.ToACME()
newCh := &tlsALPN01Challenge{baseClone}
newb, err := json.Marshal(newCh)
assert.FatalError(t, err)
return test{
ch: ch,
vo: validateOptions{
tlsDial: func(network, addr string, config *tls.Config) (*tls.Conn, error) {
return nil, errors.New("force")
},
},
db: &db.MockNoSQLDB{
MCmpAndSwap: func(bucket, key, old, newval []byte) ([]byte, bool, error) {
assert.Equals(t, bucket, challengeTable)
assert.Equals(t, key, []byte(ch.getID()))
assert.Equals(t, old, oldb)
assert.Equals(t, newval, newb)
return nil, true, nil
},
},
res: ch,
}
},
"ok/timeout": func(t *testing.T) test {
ch, err := newTLSALPNCh()
assert.FatalError(t, err)
oldb, err := json.Marshal(ch)
assert.FatalError(t, err)
expErr := ConnectionErr(errors.Errorf("error doing TLS dial for %v:443: tls: DialWithDialer timed out", ch.getValue()))
baseClone := ch.clone()
baseClone.Error = expErr.ToACME()
newCh := &tlsALPN01Challenge{baseClone}
newb, err := json.Marshal(newCh)
assert.FatalError(t, err)
srv, tlsDial := newTestTLSALPNServer(nil)
// srv.Start() - do not start server to cause timeout
return test{
srv: srv,
ch: ch,
vo: validateOptions{
tlsDial: tlsDial,
},
db: &db.MockNoSQLDB{
MCmpAndSwap: func(bucket, key, old, newval []byte) ([]byte, bool, error) {
assert.Equals(t, bucket, challengeTable)
assert.Equals(t, key, []byte(ch.getID()))
assert.Equals(t, old, oldb)
assert.Equals(t, string(newval), string(newb))
return nil, true, nil
},
},
res: ch,
}
},
"ok/no-certificates": func(t *testing.T) test {
ch, err := newTLSALPNCh()
assert.FatalError(t, err)
oldb, err := json.Marshal(ch)
assert.FatalError(t, err)
expErr := RejectedIdentifierErr(errors.Errorf("tls-alpn-01 challenge for %v resulted in no certificates", ch.getValue()))
baseClone := ch.clone()
baseClone.Error = expErr.ToACME()
newCh := &tlsALPN01Challenge{baseClone}
newb, err := json.Marshal(newCh)
assert.FatalError(t, err)
return test{
ch: ch,
vo: validateOptions{
tlsDial: func(network, addr string, config *tls.Config) (*tls.Conn, error) {
return tls.Client(&noopConn{}, config), nil
},
},
db: &db.MockNoSQLDB{
MCmpAndSwap: func(bucket, key, old, newval []byte) ([]byte, bool, error) {
assert.Equals(t, bucket, challengeTable)
assert.Equals(t, key, []byte(ch.getID()))
assert.Equals(t, old, oldb)
assert.Equals(t, string(newval), string(newb))
return nil, true, nil
},
},
res: ch,
}
},
"ok/no-names": func(t *testing.T) test {
ch, err := newTLSALPNCh()
assert.FatalError(t, err)
oldb, err := json.Marshal(ch)
assert.FatalError(t, err)
expErr := RejectedIdentifierErr(errors.Errorf("incorrect certificate for tls-alpn-01 challenge: leaf certificate must contain a single DNS name, %v", ch.getValue()))
baseClone := ch.clone()
baseClone.Error = expErr.ToACME()
newCh := &tlsALPN01Challenge{baseClone}
newb, err := json.Marshal(newCh)
assert.FatalError(t, err)
jwk, err := jose.GenerateJWK("EC", "P-256", "ES256", "sig", "", 0)
assert.FatalError(t, err)
expKeyAuth, err := KeyAuthorization(ch.getToken(), jwk)
assert.FatalError(t, err)
expKeyAuthHash := sha256.Sum256([]byte(expKeyAuth))
cert, err := newTLSALPNValidationCert(expKeyAuthHash[:], false, true)
assert.FatalError(t, err)
srv, tlsDial := newTestTLSALPNServer(cert)
srv.Start()
return test{
srv: srv,
ch: ch,
vo: validateOptions{
tlsDial: tlsDial,
},
jwk: jwk,
db: &db.MockNoSQLDB{
MCmpAndSwap: func(bucket, key, old, newval []byte) ([]byte, bool, error) {
assert.Equals(t, bucket, challengeTable)
assert.Equals(t, key, []byte(ch.getID()))
assert.Equals(t, old, oldb)
assert.Equals(t, string(newval), string(newb))
return nil, true, nil
},
},
res: ch,
}
},
"ok/too-many-names": func(t *testing.T) test {
ch, err := newTLSALPNCh()
assert.FatalError(t, err)
oldb, err := json.Marshal(ch)
assert.FatalError(t, err)
expErr := RejectedIdentifierErr(errors.Errorf("incorrect certificate for tls-alpn-01 challenge: leaf certificate must contain a single DNS name, %v", ch.getValue()))
baseClone := ch.clone()
baseClone.Error = expErr.ToACME()
newCh := &tlsALPN01Challenge{baseClone}
newb, err := json.Marshal(newCh)
assert.FatalError(t, err)
jwk, err := jose.GenerateJWK("EC", "P-256", "ES256", "sig", "", 0)
assert.FatalError(t, err)
expKeyAuth, err := KeyAuthorization(ch.getToken(), jwk)
assert.FatalError(t, err)
expKeyAuthHash := sha256.Sum256([]byte(expKeyAuth))
cert, err := newTLSALPNValidationCert(expKeyAuthHash[:], false, true, ch.getValue(), "other.internal")
assert.FatalError(t, err)
srv, tlsDial := newTestTLSALPNServer(cert)
srv.Start()
return test{
srv: srv,
ch: ch,
vo: validateOptions{
tlsDial: tlsDial,
},
jwk: jwk,
db: &db.MockNoSQLDB{
MCmpAndSwap: func(bucket, key, old, newval []byte) ([]byte, bool, error) {
assert.Equals(t, bucket, challengeTable)
assert.Equals(t, key, []byte(ch.getID()))
assert.Equals(t, old, oldb)
assert.Equals(t, string(newval), string(newb))
return nil, true, nil
},
},
res: ch,
}
},
"ok/wrong-name": func(t *testing.T) test {
ch, err := newTLSALPNCh()
assert.FatalError(t, err)
oldb, err := json.Marshal(ch)
assert.FatalError(t, err)
expErr := RejectedIdentifierErr(errors.Errorf("incorrect certificate for tls-alpn-01 challenge: leaf certificate must contain a single DNS name, %v", ch.getValue()))
baseClone := ch.clone()
baseClone.Error = expErr.ToACME()
newCh := &tlsALPN01Challenge{baseClone}
newb, err := json.Marshal(newCh)
assert.FatalError(t, err)
jwk, err := jose.GenerateJWK("EC", "P-256", "ES256", "sig", "", 0)
assert.FatalError(t, err)
expKeyAuth, err := KeyAuthorization(ch.getToken(), jwk)
assert.FatalError(t, err)
expKeyAuthHash := sha256.Sum256([]byte(expKeyAuth))
cert, err := newTLSALPNValidationCert(expKeyAuthHash[:], false, true, "other.internal")
assert.FatalError(t, err)
srv, tlsDial := newTestTLSALPNServer(cert)
srv.Start()
return test{
srv: srv,
ch: ch,
vo: validateOptions{
tlsDial: tlsDial,
},
jwk: jwk,
db: &db.MockNoSQLDB{
MCmpAndSwap: func(bucket, key, old, newval []byte) ([]byte, bool, error) {
assert.Equals(t, bucket, challengeTable)
assert.Equals(t, key, []byte(ch.getID()))
assert.Equals(t, old, oldb)
assert.Equals(t, string(newval), string(newb))
return nil, true, nil
},
},
res: ch,
}
},
"ok/no-extension": func(t *testing.T) test {
ch, err := newTLSALPNCh()
assert.FatalError(t, err)
oldb, err := json.Marshal(ch)
assert.FatalError(t, err)
expErr := RejectedIdentifierErr(errors.New("incorrect certificate for tls-alpn-01 challenge: missing acmeValidationV1 extension"))
baseClone := ch.clone()
baseClone.Error = expErr.ToACME()
newCh := &tlsALPN01Challenge{baseClone}
newb, err := json.Marshal(newCh)
assert.FatalError(t, err)
jwk, err := jose.GenerateJWK("EC", "P-256", "ES256", "sig", "", 0)
assert.FatalError(t, err)
cert, err := newTLSALPNValidationCert(nil, false, true, ch.getValue())
assert.FatalError(t, err)
srv, tlsDial := newTestTLSALPNServer(cert)
srv.Start()
return test{
srv: srv,
ch: ch,
vo: validateOptions{
tlsDial: tlsDial,
},
jwk: jwk,
db: &db.MockNoSQLDB{
MCmpAndSwap: func(bucket, key, old, newval []byte) ([]byte, bool, error) {
assert.Equals(t, bucket, challengeTable)
assert.Equals(t, key, []byte(ch.getID()))
assert.Equals(t, old, oldb)
assert.Equals(t, string(newval), string(newb))
return nil, true, nil
},
},
res: ch,
}
},
"ok/extension-not-critical": func(t *testing.T) test {
ch, err := newTLSALPNCh()
assert.FatalError(t, err)
oldb, err := json.Marshal(ch)
assert.FatalError(t, err)
expErr := RejectedIdentifierErr(errors.New("incorrect certificate for tls-alpn-01 challenge: acmeValidationV1 extension not critical"))
baseClone := ch.clone()
baseClone.Error = expErr.ToACME()
newCh := &tlsALPN01Challenge{baseClone}
newb, err := json.Marshal(newCh)
assert.FatalError(t, err)
jwk, err := jose.GenerateJWK("EC", "P-256", "ES256", "sig", "", 0)
assert.FatalError(t, err)
expKeyAuth, err := KeyAuthorization(ch.getToken(), jwk)
assert.FatalError(t, err)
expKeyAuthHash := sha256.Sum256([]byte(expKeyAuth))
cert, err := newTLSALPNValidationCert(expKeyAuthHash[:], false, false, ch.getValue())
assert.FatalError(t, err)
srv, tlsDial := newTestTLSALPNServer(cert)
srv.Start()
return test{
srv: srv,
ch: ch,
vo: validateOptions{
tlsDial: tlsDial,
},
jwk: jwk,
db: &db.MockNoSQLDB{
MCmpAndSwap: func(bucket, key, old, newval []byte) ([]byte, bool, error) {
assert.Equals(t, bucket, challengeTable)
assert.Equals(t, key, []byte(ch.getID()))
assert.Equals(t, old, oldb)
assert.Equals(t, string(newval), string(newb))
return nil, true, nil
},
},
res: ch,
}
},
"ok/extension-malformed": func(t *testing.T) test {
ch, err := newTLSALPNCh()
assert.FatalError(t, err)
oldb, err := json.Marshal(ch)
assert.FatalError(t, err)
expErr := RejectedIdentifierErr(errors.New("incorrect certificate for tls-alpn-01 challenge: malformed acmeValidationV1 extension value"))
baseClone := ch.clone()
baseClone.Error = expErr.ToACME()
newCh := &tlsALPN01Challenge{baseClone}
newb, err := json.Marshal(newCh)
assert.FatalError(t, err)
jwk, err := jose.GenerateJWK("EC", "P-256", "ES256", "sig", "", 0)
assert.FatalError(t, err)
cert, err := newTLSALPNValidationCert([]byte{1, 2, 3}, false, true, ch.getValue())
assert.FatalError(t, err)
srv, tlsDial := newTestTLSALPNServer(cert)
srv.Start()
return test{
srv: srv,
ch: ch,
vo: validateOptions{
tlsDial: tlsDial,
},
jwk: jwk,
db: &db.MockNoSQLDB{
MCmpAndSwap: func(bucket, key, old, newval []byte) ([]byte, bool, error) {
assert.Equals(t, bucket, challengeTable)
assert.Equals(t, key, []byte(ch.getID()))
assert.Equals(t, old, oldb)
assert.Equals(t, string(newval), string(newb))
return nil, true, nil
},
},
res: ch,
}
},
"ok/no-protocol": func(t *testing.T) test {
ch, err := newTLSALPNCh()
assert.FatalError(t, err)
oldb, err := json.Marshal(ch)
assert.FatalError(t, err)
jwk, err := jose.GenerateJWK("EC", "P-256", "ES256", "sig", "", 0)
assert.FatalError(t, err)
expErr := RejectedIdentifierErr(errors.New("cannot negotiate ALPN acme-tls/1 protocol for tls-alpn-01 challenge"))
baseClone := ch.clone()
baseClone.Error = expErr.ToACME()
newCh := &tlsALPN01Challenge{baseClone}
newb, err := json.Marshal(newCh)
assert.FatalError(t, err)
srv := httptest.NewTLSServer(nil)
return test{
srv: srv,
ch: ch,
vo: validateOptions{
tlsDial: func(network, addr string, config *tls.Config) (*tls.Conn, error) {
return tls.DialWithDialer(&net.Dialer{Timeout: time.Second}, "tcp", srv.Listener.Addr().String(), config)
},
},
jwk: jwk,
db: &db.MockNoSQLDB{
MCmpAndSwap: func(bucket, key, old, newval []byte) ([]byte, bool, error) {
assert.Equals(t, bucket, challengeTable)
assert.Equals(t, key, []byte(ch.getID()))
assert.Equals(t, old, oldb)
assert.Equals(t, string(newval), string(newb))
return nil, true, nil
},
},
res: ch,
}
},
"ok/mismatched-token": func(t *testing.T) test {
ch, err := newTLSALPNCh()
assert.FatalError(t, err)
oldb, err := json.Marshal(ch)
assert.FatalError(t, err)
jwk, err := jose.GenerateJWK("EC", "P-256", "ES256", "sig", "", 0)
assert.FatalError(t, err)
expKeyAuth, err := KeyAuthorization(ch.getToken(), jwk)
assert.FatalError(t, err)
expKeyAuthHash := sha256.Sum256([]byte(expKeyAuth))
incorrectTokenHash := sha256.Sum256([]byte("mismatched"))
expErr := RejectedIdentifierErr(errors.Errorf("incorrect certificate for tls-alpn-01 challenge: "+
"expected acmeValidationV1 extension value %s for this challenge but got %s",
hex.EncodeToString(expKeyAuthHash[:]), hex.EncodeToString(incorrectTokenHash[:])))
baseClone := ch.clone()
baseClone.Error = expErr.ToACME()
newCh := &tlsALPN01Challenge{baseClone}
newb, err := json.Marshal(newCh)
assert.FatalError(t, err)
cert, err := newTLSALPNValidationCert(incorrectTokenHash[:], false, true, ch.getValue())
assert.FatalError(t, err)
srv, tlsDial := newTestTLSALPNServer(cert)
srv.Start()
return test{
srv: srv,
ch: ch,
vo: validateOptions{
tlsDial: tlsDial,
},
jwk: jwk,
db: &db.MockNoSQLDB{
MCmpAndSwap: func(bucket, key, old, newval []byte) ([]byte, bool, error) {
assert.Equals(t, bucket, challengeTable)
assert.Equals(t, key, []byte(ch.getID()))
assert.Equals(t, old, oldb)
assert.Equals(t, string(newval), string(newb))
return nil, true, nil
},
},
res: ch,
}
},
"ok/obsolete-oid": func(t *testing.T) test {
ch, err := newTLSALPNCh()
assert.FatalError(t, err)
oldb, err := json.Marshal(ch)
assert.FatalError(t, err)
jwk, err := jose.GenerateJWK("EC", "P-256", "ES256", "sig", "", 0)
assert.FatalError(t, err)
expErr := RejectedIdentifierErr(errors.New("incorrect certificate for tls-alpn-01 challenge: " +
"obsolete id-pe-acmeIdentifier in acmeValidationV1 extension"))
baseClone := ch.clone()
baseClone.Error = expErr.ToACME()
newCh := &tlsALPN01Challenge{baseClone}
newb, err := json.Marshal(newCh)
assert.FatalError(t, err)
expKeyAuth, err := KeyAuthorization(ch.getToken(), jwk)
assert.FatalError(t, err)
expKeyAuthHash := sha256.Sum256([]byte(expKeyAuth))
cert, err := newTLSALPNValidationCert(expKeyAuthHash[:], true, true, ch.getValue())
assert.FatalError(t, err)
srv, tlsDial := newTestTLSALPNServer(cert)
srv.Start()
return test{
srv: srv,
ch: ch,
vo: validateOptions{
tlsDial: tlsDial,
},
jwk: jwk,
db: &db.MockNoSQLDB{
MCmpAndSwap: func(bucket, key, old, newval []byte) ([]byte, bool, error) {
assert.Equals(t, bucket, challengeTable)
assert.Equals(t, key, []byte(ch.getID()))
assert.Equals(t, old, oldb)
assert.Equals(t, string(newval), string(newb))
return nil, true, nil
},
},
res: ch,
}
},
"ok": func(t *testing.T) test {
ch, err := newTLSALPNCh()
assert.FatalError(t, err)
_ch, ok := ch.(*tlsALPN01Challenge)
assert.Fatal(t, ok)
_ch.baseChallenge.Error = MalformedErr(nil).ToACME()
oldb, err := json.Marshal(ch)
assert.FatalError(t, err)
baseClone := ch.clone()
baseClone.Status = StatusValid
baseClone.Error = nil
newCh := &tlsALPN01Challenge{baseClone}
jwk, err := jose.GenerateJWK("EC", "P-256", "ES256", "sig", "", 0)
assert.FatalError(t, err)
expKeyAuth, err := KeyAuthorization(ch.getToken(), jwk)
assert.FatalError(t, err)
expKeyAuthHash := sha256.Sum256([]byte(expKeyAuth))
cert, err := newTLSALPNValidationCert(expKeyAuthHash[:], false, true, ch.getValue())
assert.FatalError(t, err)
srv, tlsDial := newTestTLSALPNServer(cert)
srv.Start()
return test{
srv: srv,
ch: ch,
vo: validateOptions{
tlsDial: func(network, addr string, config *tls.Config) (conn *tls.Conn, err error) {
assert.Equals(t, network, "tcp")
assert.Equals(t, addr, net.JoinHostPort(newCh.getValue(), "443"))
assert.Equals(t, config.NextProtos, []string{"acme-tls/1"})
assert.Equals(t, config.ServerName, newCh.getValue())
assert.True(t, config.InsecureSkipVerify)
return tlsDial(network, addr, config)
},
},
jwk: jwk,
db: &db.MockNoSQLDB{
MCmpAndSwap: func(bucket, key, old, newval []byte) ([]byte, bool, error) {
assert.Equals(t, bucket, challengeTable)
assert.Equals(t, key, []byte(ch.getID()))
assert.Equals(t, old, oldb)
alpnCh, err := unmarshalChallenge(newval)
assert.FatalError(t, err)
assert.Equals(t, alpnCh.getStatus(), StatusValid)
assert.True(t, alpnCh.getValidated().Before(time.Now().UTC().Add(time.Minute)))
assert.True(t, alpnCh.getValidated().After(time.Now().UTC().Add(-1*time.Second)))
baseClone.Validated = alpnCh.getValidated()
return nil, true, nil
},
},
res: newCh,
}
},
}
for name, run := range tests {
t.Run(name, func(t *testing.T) {
tc := run(t)
if tc.srv != nil {
defer tc.srv.Close()
}
if ch, err := tc.ch.validate(tc.db, tc.jwk, tc.vo); err != nil {
if assert.NotNil(t, tc.err) {
ae, ok := err.(*Error)
assert.True(t, ok)
assert.HasPrefix(t, ae.Error(), tc.err.Error())
assert.Equals(t, ae.StatusCode(), tc.err.StatusCode())
assert.Equals(t, ae.Type, tc.err.Type)
}
} else {
if assert.Nil(t, tc.err) {
assert.Equals(t, tc.res.getID(), ch.getID())
assert.Equals(t, tc.res.getAccountID(), ch.getAccountID())
assert.Equals(t, tc.res.getAuthzID(), ch.getAuthzID())
assert.Equals(t, tc.res.getStatus(), ch.getStatus())
assert.Equals(t, tc.res.getToken(), ch.getToken())
assert.Equals(t, tc.res.getCreated(), ch.getCreated())
assert.Equals(t, tc.res.getValidated(), ch.getValidated())
assert.Equals(t, tc.res.getError(), ch.getError())
}
}
})
}
}
func newTestTLSALPNServer(validationCert *tls.Certificate) (*httptest.Server, tlsDialer) {
srv := httptest.NewUnstartedServer(http.NewServeMux())
srv.Config.TLSNextProto = map[string]func(*http.Server, *tls.Conn, http.Handler){
"acme-tls/1": func(_ *http.Server, conn *tls.Conn, _ http.Handler) {
// no-op
},
"http/1.1": func(_ *http.Server, conn *tls.Conn, _ http.Handler) {
panic("unexpected http/1.1 next proto")
},
}
srv.TLS = &tls.Config{
GetCertificate: func(hello *tls.ClientHelloInfo) (*tls.Certificate, error) {
if len(hello.SupportedProtos) == 1 && hello.SupportedProtos[0] == "acme-tls/1" {
return validationCert, nil
}
return nil, nil
},
NextProtos: []string{
"acme-tls/1",
"http/1.1",
},
}
srv.Listener = tls.NewListener(srv.Listener, srv.TLS)
//srv.Config.ErrorLog = log.New(ioutil.Discard, "", 0) // hush
return srv, func(network, addr string, config *tls.Config) (conn *tls.Conn, err error) {
return tls.DialWithDialer(&net.Dialer{Timeout: time.Second}, "tcp", srv.Listener.Addr().String(), config)
}
}
// noopConn is a mock net.Conn that does nothing.
type noopConn struct{}
func (c *noopConn) Read(_ []byte) (n int, err error) { return 0, io.EOF }
func (c *noopConn) Write(_ []byte) (n int, err error) { return 0, io.EOF }
func (c *noopConn) Close() error { return nil }
func (c *noopConn) LocalAddr() net.Addr { return &net.IPAddr{IP: net.IPv4zero, Zone: ""} }
func (c *noopConn) RemoteAddr() net.Addr { return &net.IPAddr{IP: net.IPv4zero, Zone: ""} }
func (c *noopConn) SetDeadline(t time.Time) error { return nil }
func (c *noopConn) SetReadDeadline(t time.Time) error { return nil }
func (c *noopConn) SetWriteDeadline(t time.Time) error { return nil }
func newTLSALPNValidationCert(keyAuthHash []byte, obsoleteOID, critical bool, names ...string) (*tls.Certificate, error) {
privateKey, err := rsa.GenerateKey(rand.Reader, 2048)
if err != nil {
return nil, err
}
certTemplate := &x509.Certificate{
SerialNumber: big.NewInt(1337),
Subject: pkix.Name{
Organization: []string{"Test"},
},
NotBefore: time.Now(),
NotAfter: time.Now().AddDate(0, 0, 1),
KeyUsage: x509.KeyUsageDigitalSignature | x509.KeyUsageCertSign,
ExtKeyUsage: []x509.ExtKeyUsage{x509.ExtKeyUsageServerAuth},
BasicConstraintsValid: true,
DNSNames: names,
}
if keyAuthHash != nil {
oid := asn1.ObjectIdentifier{1, 3, 6, 1, 5, 5, 7, 1, 31}
if obsoleteOID {
oid = asn1.ObjectIdentifier{1, 3, 6, 1, 5, 5, 7, 1, 30, 1}
}
keyAuthHashEnc, _ := asn1.Marshal(keyAuthHash[:])
certTemplate.ExtraExtensions = []pkix.Extension{
{
Id: oid,
Critical: critical,
Value: keyAuthHashEnc,
},
}
}
cert, err := x509.CreateCertificate(rand.Reader, certTemplate, certTemplate, privateKey.Public(), privateKey)
if err != nil {
return nil, err
}
return &tls.Certificate{
PrivateKey: privateKey,
Certificate: [][]byte{cert},
}, nil
}
func TestDNS01Validate(t *testing.T) {
type test struct {
vo validateOptions
ch challenge
res challenge
jwk *jose.JSONWebKey
db nosql.DB
err *Error
}
tests := map[string]func(t *testing.T) test{
"ok/status-already-valid": func(t *testing.T) test {
ch, err := newDNSCh()
assert.FatalError(t, err)
_ch, ok := ch.(*dns01Challenge)
assert.Fatal(t, ok)
_ch.baseChallenge.Status = StatusValid
return test{
ch: ch,
res: ch,
}
},
"ok/status-already-invalid": func(t *testing.T) test {
ch, err := newDNSCh()
assert.FatalError(t, err)
_ch, ok := ch.(*dns01Challenge)
assert.Fatal(t, ok)
_ch.baseChallenge.Status = StatusInvalid
return test{
ch: ch,
res: ch,
}
},
"ok/lookup-txt-error": func(t *testing.T) test {
ch, err := newDNSCh()
assert.FatalError(t, err)
oldb, err := json.Marshal(ch)
assert.FatalError(t, err)
expErr := DNSErr(errors.Errorf("error looking up TXT records for "+
"domain %s: force", ch.getValue()))
baseClone := ch.clone()
baseClone.Error = expErr.ToACME()
newCh := &dns01Challenge{baseClone}
newb, err := json.Marshal(newCh)
assert.FatalError(t, err)
return test{
ch: ch,
vo: validateOptions{
lookupTxt: func(url string) ([]string, error) {
return nil, errors.New("force")
},
},
db: &db.MockNoSQLDB{
MCmpAndSwap: func(bucket, key, old, newval []byte) ([]byte, bool, error) {
assert.Equals(t, bucket, challengeTable)
assert.Equals(t, key, []byte(ch.getID()))
assert.Equals(t, old, oldb)
assert.Equals(t, newval, newb)
return nil, true, nil
},
},
res: ch,
}
},
"ok/lookup-txt-wildcard": func(t *testing.T) test {
ch, err := newDNSCh()
assert.FatalError(t, err)
_ch, ok := ch.(*dns01Challenge)
assert.Fatal(t, ok)
_ch.baseChallenge.Value = "*.zap.internal"
jwk, err := jose.GenerateJWK("EC", "P-256", "ES256", "sig", "", 0)
assert.FatalError(t, err)
expKeyAuth, err := KeyAuthorization(ch.getToken(), jwk)
assert.FatalError(t, err)
h := sha256.Sum256([]byte(expKeyAuth))
expected := base64.RawURLEncoding.EncodeToString(h[:])
baseClone := ch.clone()
baseClone.Status = StatusValid
baseClone.Error = nil
newCh := &dns01Challenge{baseClone}
return test{
ch: ch,
res: newCh,
vo: validateOptions{
lookupTxt: func(url string) ([]string, error) {
assert.Equals(t, url, "_acme-challenge.zap.internal")
return []string{"foo", expected}, nil
},
},
jwk: jwk,
db: &db.MockNoSQLDB{
MCmpAndSwap: func(bucket, key, old, newval []byte) ([]byte, bool, error) {
dnsCh, err := unmarshalChallenge(newval)
assert.FatalError(t, err)
assert.Equals(t, dnsCh.getStatus(), StatusValid)
baseClone.Validated = dnsCh.getValidated()
return nil, true, nil
},
},
}
},
"fail/key-authorization-gen-error": func(t *testing.T) test {
ch, err := newDNSCh()
assert.FatalError(t, err)
jwk, err := jose.GenerateJWK("EC", "P-256", "ES256", "sig", "", 0)
assert.FatalError(t, err)
jwk.Key = "foo"
return test{
ch: ch,
vo: validateOptions{
lookupTxt: func(url string) ([]string, error) {
return []string{"foo", "bar"}, nil
},
},
jwk: jwk,
err: ServerInternalErr(errors.New("error generating JWK thumbprint: square/go-jose: unknown key type 'string'")),
}
},
"ok/key-auth-mismatch": func(t *testing.T) test {
ch, err := newDNSCh()
assert.FatalError(t, err)
oldb, err := json.Marshal(ch)
assert.FatalError(t, err)
jwk, err := jose.GenerateJWK("EC", "P-256", "ES256", "sig", "", 0)
assert.FatalError(t, err)
expKeyAuth, err := KeyAuthorization(ch.getToken(), jwk)
assert.FatalError(t, err)
expErr := RejectedIdentifierErr(errors.Errorf("keyAuthorization does not match; "+
"expected %s, but got %s", expKeyAuth, []string{"foo", "bar"}))
baseClone := ch.clone()
baseClone.Error = expErr.ToACME()
newCh := &http01Challenge{baseClone}
newb, err := json.Marshal(newCh)
assert.FatalError(t, err)
return test{
ch: ch,
vo: validateOptions{
lookupTxt: func(url string) ([]string, error) {
return []string{"foo", "bar"}, nil
},
},
jwk: jwk,
db: &db.MockNoSQLDB{
MCmpAndSwap: func(bucket, key, old, newval []byte) ([]byte, bool, error) {
assert.Equals(t, bucket, challengeTable)
assert.Equals(t, key, []byte(ch.getID()))
assert.Equals(t, old, oldb)
assert.Equals(t, newval, newb)
return nil, true, nil
},
},
res: ch,
}
},
"fail/save-error": func(t *testing.T) test {
ch, err := newDNSCh()
assert.FatalError(t, err)
jwk, err := jose.GenerateJWK("EC", "P-256", "ES256", "sig", "", 0)
assert.FatalError(t, err)
expKeyAuth, err := KeyAuthorization(ch.getToken(), jwk)
assert.FatalError(t, err)
h := sha256.Sum256([]byte(expKeyAuth))
expected := base64.RawURLEncoding.EncodeToString(h[:])
return test{
ch: ch,
vo: validateOptions{
lookupTxt: func(url string) ([]string, error) {
return []string{"foo", expected}, nil
},
},
jwk: jwk,
db: &db.MockNoSQLDB{
MCmpAndSwap: func(bucket, key, old, newval []byte) ([]byte, bool, error) {
return nil, false, errors.New("force")
},
},
err: ServerInternalErr(errors.New("error saving acme challenge: force")),
}
},
"ok": func(t *testing.T) test {
ch, err := newDNSCh()
assert.FatalError(t, err)
_ch, ok := ch.(*dns01Challenge)
assert.Fatal(t, ok)
_ch.baseChallenge.Error = MalformedErr(nil).ToACME()
oldb, err := json.Marshal(ch)
assert.FatalError(t, err)
jwk, err := jose.GenerateJWK("EC", "P-256", "ES256", "sig", "", 0)
assert.FatalError(t, err)
expKeyAuth, err := KeyAuthorization(ch.getToken(), jwk)
assert.FatalError(t, err)
h := sha256.Sum256([]byte(expKeyAuth))
expected := base64.RawURLEncoding.EncodeToString(h[:])
baseClone := ch.clone()
baseClone.Status = StatusValid
baseClone.Error = nil
newCh := &dns01Challenge{baseClone}
return test{
ch: ch,
res: newCh,
vo: validateOptions{
lookupTxt: func(url string) ([]string, error) {
return []string{"foo", expected}, nil
},
},
jwk: jwk,
db: &db.MockNoSQLDB{
MCmpAndSwap: func(bucket, key, old, newval []byte) ([]byte, bool, error) {
assert.Equals(t, bucket, challengeTable)
assert.Equals(t, key, []byte(ch.getID()))
assert.Equals(t, old, oldb)
dnsCh, err := unmarshalChallenge(newval)
assert.FatalError(t, err)
assert.Equals(t, dnsCh.getStatus(), StatusValid)
assert.True(t, dnsCh.getValidated().Before(time.Now().UTC()))
assert.True(t, dnsCh.getValidated().After(time.Now().UTC().Add(-1*time.Second)))
baseClone.Validated = dnsCh.getValidated()
return nil, true, nil
},
},
}
},
}
for name, run := range tests {
t.Run(name, func(t *testing.T) {
tc := run(t)
if ch, err := tc.ch.validate(tc.db, tc.jwk, tc.vo); err != nil {
if assert.NotNil(t, tc.err) {
ae, ok := err.(*Error)
assert.True(t, ok)
assert.HasPrefix(t, ae.Error(), tc.err.Error())
assert.Equals(t, ae.StatusCode(), tc.err.StatusCode())
assert.Equals(t, ae.Type, tc.err.Type)
}
} else {
if assert.Nil(t, tc.err) {
assert.Equals(t, tc.res.getID(), ch.getID())
assert.Equals(t, tc.res.getAccountID(), ch.getAccountID())
assert.Equals(t, tc.res.getAuthzID(), ch.getAuthzID())
assert.Equals(t, tc.res.getStatus(), ch.getStatus())
assert.Equals(t, tc.res.getToken(), ch.getToken())
assert.Equals(t, tc.res.getCreated(), ch.getCreated())
assert.Equals(t, tc.res.getValidated(), ch.getValidated())
assert.Equals(t, tc.res.getError(), ch.getError())
}
}
})
}
}
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