certificates/authority/provisioner/jwk_test.go

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package provisioner
import (
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"context"
"crypto"
"crypto/rand"
"crypto/rsa"
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"crypto/x509"
"errors"
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"strings"
"testing"
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"time"
"github.com/smallstep/assert"
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"github.com/smallstep/cli/jose"
)
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var (
defaultDisableRenewal = false
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defaultEnableSSHCA = true
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globalProvisionerClaims = Claims{
MinTLSDur: &Duration{5 * time.Minute},
MaxTLSDur: &Duration{24 * time.Hour},
DefaultTLSDur: &Duration{24 * time.Hour},
DisableRenewal: &defaultDisableRenewal,
MinUserSSHDur: &Duration{Duration: 5 * time.Minute}, // User SSH certs
MaxUserSSHDur: &Duration{Duration: 24 * time.Hour},
DefaultUserSSHDur: &Duration{Duration: 4 * time.Hour},
MinHostSSHDur: &Duration{Duration: 5 * time.Minute}, // Host SSH certs
MaxHostSSHDur: &Duration{Duration: 30 * 24 * time.Hour},
DefaultHostSSHDur: &Duration{Duration: 30 * 24 * time.Hour},
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EnableSSHCA: &defaultEnableSSHCA,
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}
)
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func TestJWK_Getters(t *testing.T) {
p, err := generateJWK()
assert.FatalError(t, err)
if got := p.GetID(); got != p.Name+":"+p.Key.KeyID {
t.Errorf("JWK.GetID() = %v, want %v:%v", got, p.Name, p.Key.KeyID)
}
if got := p.GetName(); got != p.Name {
t.Errorf("JWK.GetName() = %v, want %v", got, p.Name)
}
if got := p.GetType(); got != TypeJWK {
t.Errorf("JWK.GetType() = %v, want %v", got, TypeJWK)
}
kid, key, ok := p.GetEncryptedKey()
if kid != p.Key.KeyID || key != p.EncryptedKey || ok == false {
t.Errorf("JWK.GetEncryptedKey() = (%v, %v, %v), want (%v, %v, %v)",
kid, key, ok, p.Key.KeyID, p.EncryptedKey, true)
}
p.EncryptedKey = ""
kid, key, ok = p.GetEncryptedKey()
if kid != p.Key.KeyID || key != "" || ok == true {
t.Errorf("JWK.GetEncryptedKey() = (%v, %v, %v), want (%v, %v, %v)",
kid, key, ok, p.Key.KeyID, "", false)
}
}
func TestJWK_Init(t *testing.T) {
type ProvisionerValidateTest struct {
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p *JWK
err error
}
tests := map[string]func(*testing.T) ProvisionerValidateTest{
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"fail-empty": func(t *testing.T) ProvisionerValidateTest {
return ProvisionerValidateTest{
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p: &JWK{},
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err: errors.New("provisioner type cannot be empty"),
}
},
"fail-empty-name": func(t *testing.T) ProvisionerValidateTest {
return ProvisionerValidateTest{
p: &JWK{
Type: "JWK",
},
err: errors.New("provisioner name cannot be empty"),
}
},
"fail-empty-type": func(t *testing.T) ProvisionerValidateTest {
return ProvisionerValidateTest{
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p: &JWK{Name: "foo"},
err: errors.New("provisioner type cannot be empty"),
}
},
"fail-empty-key": func(t *testing.T) ProvisionerValidateTest {
return ProvisionerValidateTest{
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p: &JWK{Name: "foo", Type: "bar"},
err: errors.New("provisioner key cannot be empty"),
}
},
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"fail-bad-claims": func(t *testing.T) ProvisionerValidateTest {
return ProvisionerValidateTest{
p: &JWK{Name: "foo", Type: "bar", Key: &jose.JSONWebKey{}, audiences: testAudiences, Claims: &Claims{DefaultTLSDur: &Duration{0}}},
err: errors.New("claims: DefaultTLSCertDuration must be greater than 0"),
}
},
"ok": func(t *testing.T) ProvisionerValidateTest {
return ProvisionerValidateTest{
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p: &JWK{Name: "foo", Type: "bar", Key: &jose.JSONWebKey{}, audiences: testAudiences},
}
},
}
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config := Config{
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Claims: globalProvisionerClaims,
Audiences: testAudiences,
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}
for name, get := range tests {
t.Run(name, func(t *testing.T) {
tc := get(t)
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err := tc.p.Init(config)
if err != nil {
if assert.NotNil(t, tc.err) {
assert.Equals(t, tc.err.Error(), err.Error())
}
} else {
assert.Nil(t, tc.err)
}
})
}
}
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func TestJWK_authorizeToken(t *testing.T) {
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p1, err := generateJWK()
assert.FatalError(t, err)
p2, err := generateJWK()
assert.FatalError(t, err)
key1, err := decryptJSONWebKey(p1.EncryptedKey)
assert.FatalError(t, err)
key2, err := decryptJSONWebKey(p2.EncryptedKey)
assert.FatalError(t, err)
t1, err := generateSimpleToken(p1.Name, testAudiences.Sign[0], key1)
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assert.FatalError(t, err)
t2, err := generateSimpleToken(p2.Name, testAudiences.Sign[1], key2)
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assert.FatalError(t, err)
t3, err := generateToken("test.smallstep.com", p1.Name, testAudiences.Sign[0], "", []string{}, time.Now(), key1)
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assert.FatalError(t, err)
// Invalid tokens
parts := strings.Split(t1, ".")
key3, err := generateJSONWebKey()
assert.FatalError(t, err)
// missing key
failKey, err := generateSimpleToken(p1.Name, testAudiences.Sign[0], key3)
assert.FatalError(t, err)
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// invalid token
failTok := "foo." + parts[1] + "." + parts[2]
// invalid claims
failClaims := parts[0] + ".foo." + parts[1]
// invalid issuer
failIss, err := generateSimpleToken("foobar", testAudiences.Sign[0], key1)
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assert.FatalError(t, err)
// invalid audience
failAud, err := generateSimpleToken(p1.Name, "foobar", key1)
assert.FatalError(t, err)
// invalid signature
failSig := t1[0 : len(t1)-2]
// no subject
failSub, err := generateToken("", p1.Name, testAudiences.Sign[0], "", []string{"test.smallstep.com"}, time.Now(), key1)
assert.FatalError(t, err)
// expired
failExp, err := generateToken("subject", p1.Name, testAudiences.Sign[0], "", []string{"test.smallstep.com"}, time.Now().Add(-360*time.Second), key1)
assert.FatalError(t, err)
// not before
failNbf, err := generateToken("subject", p1.Name, testAudiences.Sign[0], "", []string{"test.smallstep.com"}, time.Now().Add(360*time.Second), key1)
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assert.FatalError(t, err)
// Remove encrypted key for p2
p2.EncryptedKey = ""
type args struct {
token string
}
tests := []struct {
name string
prov *JWK
args args
err error
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}{
{"fail-token", p1, args{failTok}, errors.New("error parsing token")},
{"fail-key", p1, args{failKey}, errors.New("error parsing claims")},
{"fail-claims", p1, args{failClaims}, errors.New("error parsing claims")},
{"fail-signature", p1, args{failSig}, errors.New("error parsing claims: square/go-jose: error in cryptographic primitive")},
{"fail-issuer", p1, args{failIss}, errors.New("invalid token: square/go-jose/jwt: validation failed, invalid issuer claim (iss)")},
{"fail-expired", p1, args{failExp}, errors.New("invalid token: square/go-jose/jwt: validation failed, token is expired (exp)")},
{"fail-not-before", p1, args{failNbf}, errors.New("invalid token: square/go-jose/jwt: validation failed, token not valid yet (nbf)")},
{"fail-audience", p1, args{failAud}, errors.New("invalid token: invalid audience claim (aud)")},
{"fail-subject", p1, args{failSub}, errors.New("token subject cannot be empty")},
{"ok", p1, args{t1}, nil},
{"ok-no-encrypted-key", p2, args{t2}, nil},
{"ok-no-sans", p1, args{t3}, nil},
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}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if got, err := tt.prov.authorizeToken(tt.args.token, testAudiences.Sign); err != nil {
if assert.NotNil(t, tt.err) {
assert.HasPrefix(t, err.Error(), tt.err.Error())
}
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} else {
assert.Nil(t, tt.err)
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assert.NotNil(t, got)
}
})
}
}
func TestJWK_AuthorizeRevoke(t *testing.T) {
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p1, err := generateJWK()
assert.FatalError(t, err)
key1, err := decryptJSONWebKey(p1.EncryptedKey)
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assert.FatalError(t, err)
t1, err := generateSimpleToken(p1.Name, testAudiences.Revoke[0], key1)
assert.FatalError(t, err)
// invalid signature
failSig := t1[0 : len(t1)-2]
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type args struct {
token string
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}
tests := []struct {
name string
prov *JWK
args args
err error
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}{
{"fail-signature", p1, args{failSig}, errors.New("error parsing claims: square/go-jose: error in cryptographic primitive")},
{"ok", p1, args{t1}, nil},
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}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if err := tt.prov.AuthorizeRevoke(tt.args.token); err != nil {
if assert.NotNil(t, tt.err) {
assert.HasPrefix(t, err.Error(), tt.err.Error())
}
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}
})
}
}
func TestJWK_AuthorizeSign(t *testing.T) {
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p1, err := generateJWK()
assert.FatalError(t, err)
key1, err := decryptJSONWebKey(p1.EncryptedKey)
assert.FatalError(t, err)
t1, err := generateSimpleToken(p1.Name, testAudiences.Sign[0], key1)
assert.FatalError(t, err)
t2, err := generateToken("subject", p1.Name, testAudiences.Sign[0], "name@smallstep.com", []string{}, time.Now(), key1)
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assert.FatalError(t, err)
// invalid signature
failSig := t1[0 : len(t1)-2]
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type args struct {
token string
}
tests := []struct {
name string
prov *JWK
args args
err error
}{
{"fail-signature", p1, args{failSig}, errors.New("error parsing claims: square/go-jose: error in cryptographic primitive")},
{"ok-sans", p1, args{t1}, nil},
{"ok-no-sans", p1, args{t2}, nil},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
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ctx := NewContextWithMethod(context.Background(), SignMethod)
if got, err := tt.prov.AuthorizeSign(ctx, tt.args.token); err != nil {
if assert.NotNil(t, tt.err) {
assert.HasPrefix(t, err.Error(), tt.err.Error())
}
} else {
if assert.NotNil(t, got) {
assert.Len(t, 8, got)
_cnv := got[1]
cnv, ok := _cnv.(commonNameValidator)
assert.True(t, ok)
assert.Equals(t, string(cnv), "subject")
_dnv := got[2]
dnv, ok := _dnv.(dnsNamesValidator)
assert.True(t, ok)
if tt.name == "ok-sans" {
assert.Equals(t, []string(dnv), []string{"test.smallstep.com"})
} else {
assert.Equals(t, []string(dnv), []string{"subject"})
}
}
}
})
}
}
func TestJWK_AuthorizeRenewal(t *testing.T) {
p1, err := generateJWK()
assert.FatalError(t, err)
p2, err := generateJWK()
assert.FatalError(t, err)
// disable renewal
disable := true
p2.Claims = &Claims{DisableRenewal: &disable}
p2.claimer, err = NewClaimer(p2.Claims, globalProvisionerClaims)
assert.FatalError(t, err)
type args struct {
cert *x509.Certificate
}
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tests := []struct {
name string
prov *JWK
args args
wantErr bool
}{
{"ok", p1, args{nil}, false},
{"fail", p2, args{nil}, true},
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}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if err := tt.prov.AuthorizeRenewal(tt.args.cert); (err != nil) != tt.wantErr {
t.Errorf("JWK.AuthorizeRenewal() error = %v, wantErr %v", err, tt.wantErr)
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}
})
}
}
func TestJWK_AuthorizeSign_SSH(t *testing.T) {
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tm, fn := mockNow()
defer fn()
p1, err := generateJWK()
assert.FatalError(t, err)
jwk, err := decryptJSONWebKey(p1.EncryptedKey)
assert.FatalError(t, err)
iss, aud := p1.Name, testAudiences.Sign[0]
t1, err := generateSimpleSSHUserToken(iss, aud, jwk)
assert.FatalError(t, err)
t2, err := generateSimpleSSHHostToken(iss, aud, jwk)
assert.FatalError(t, err)
// invalid signature
failSig := t1[0 : len(t1)-2]
key, err := generateJSONWebKey()
assert.FatalError(t, err)
signer, err := generateJSONWebKey()
assert.FatalError(t, err)
pub := key.Public().Key
rsa2048, err := rsa.GenerateKey(rand.Reader, 2048)
assert.FatalError(t, err)
rsa1024, err := rsa.GenerateKey(rand.Reader, 1024)
assert.FatalError(t, err)
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userDuration := p1.claimer.DefaultUserSSHCertDuration()
hostDuration := p1.claimer.DefaultHostSSHCertDuration()
expectedUserOptions := &SSHOptions{
CertType: "user", Principals: []string{"name"},
ValidAfter: NewTimeDuration(tm), ValidBefore: NewTimeDuration(tm.Add(userDuration)),
}
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expectedHostOptions := &SSHOptions{
CertType: "host", Principals: []string{"smallstep.com"},
ValidAfter: NewTimeDuration(tm), ValidBefore: NewTimeDuration(tm.Add(hostDuration)),
}
type args struct {
token string
sshOpts SSHOptions
key interface{}
}
tests := []struct {
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name string
prov *JWK
args args
expected *SSHOptions
wantErr bool
wantSignErr bool
}{
{"user", p1, args{t1, SSHOptions{}, pub}, expectedUserOptions, false, false},
{"user-rsa2048", p1, args{t1, SSHOptions{}, rsa2048.Public()}, expectedUserOptions, false, false},
{"user-type", p1, args{t1, SSHOptions{CertType: "user"}, pub}, expectedUserOptions, false, false},
{"user-principals", p1, args{t1, SSHOptions{Principals: []string{"name"}}, pub}, expectedUserOptions, false, false},
{"user-options", p1, args{t1, SSHOptions{CertType: "user", Principals: []string{"name"}}, pub}, expectedUserOptions, false, false},
{"host", p1, args{t2, SSHOptions{}, pub}, expectedHostOptions, false, false},
{"host-type", p1, args{t2, SSHOptions{CertType: "host"}, pub}, expectedHostOptions, false, false},
{"host-principals", p1, args{t2, SSHOptions{Principals: []string{"smallstep.com"}}, pub}, expectedHostOptions, false, false},
{"host-options", p1, args{t2, SSHOptions{CertType: "host", Principals: []string{"smallstep.com"}}, pub}, expectedHostOptions, false, false},
{"fail-signature", p1, args{failSig, SSHOptions{}, pub}, nil, true, false},
{"rail-rsa1024", p1, args{t1, SSHOptions{}, rsa1024.Public()}, expectedUserOptions, false, true},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
ctx := NewContextWithMethod(context.Background(), SignSSHMethod)
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got, err := tt.prov.AuthorizeSign(ctx, tt.args.token)
if (err != nil) != tt.wantErr {
t.Errorf("OIDC.Authorize() error = %v, wantErr %v", err, tt.wantErr)
return
}
if err != nil {
assert.Nil(t, got)
} else if assert.NotNil(t, got) {
cert, err := signSSHCertificate(tt.args.key, tt.args.sshOpts, got, signer.Key.(crypto.Signer))
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if (err != nil) != tt.wantSignErr {
t.Errorf("SignSSH error = %v, wantSignErr %v", err, tt.wantSignErr)
} else {
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if tt.wantSignErr {
assert.Nil(t, cert)
} else {
assert.NoError(t, validateSSHCertificate(cert, tt.expected))
}
}
}
})
}
}
func TestJWK_AuthorizeSign_SSHOptions(t *testing.T) {
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tm, fn := mockNow()
defer fn()
p1, err := generateJWK()
assert.FatalError(t, err)
jwk, err := decryptJSONWebKey(p1.EncryptedKey)
assert.FatalError(t, err)
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sub, iss, aud, iat := "subject@smallstep.com", p1.Name, testAudiences.Sign[0], time.Now()
key, err := generateJSONWebKey()
assert.FatalError(t, err)
signer, err := generateJSONWebKey()
assert.FatalError(t, err)
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userDuration := p1.claimer.DefaultUserSSHCertDuration()
hostDuration := p1.claimer.DefaultHostSSHCertDuration()
expectedUserOptions := &SSHOptions{
CertType: "user", Principals: []string{"name"},
ValidAfter: NewTimeDuration(tm), ValidBefore: NewTimeDuration(tm.Add(userDuration)),
}
expectedHostOptions := &SSHOptions{
CertType: "host", Principals: []string{"smallstep.com"},
ValidAfter: NewTimeDuration(tm), ValidBefore: NewTimeDuration(tm.Add(hostDuration)),
}
type args struct {
sub, iss, aud string
iat time.Time
tokSSHOpts *SSHOptions
userSSHOpts *SSHOptions
jwk *jose.JSONWebKey
}
tests := []struct {
name string
prov *JWK
args args
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expected *SSHOptions
wantErr bool
wantSignErr bool
}{
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{"ok-user", p1, args{sub, iss, aud, iat, &SSHOptions{CertType: "user", Principals: []string{"name"}}, &SSHOptions{}, jwk}, expectedUserOptions, false, false},
{"ok-host", p1, args{sub, iss, aud, iat, &SSHOptions{CertType: "host", Principals: []string{"smallstep.com"}}, &SSHOptions{}, jwk}, expectedHostOptions, false, false},
{"ok-user-opts", p1, args{sub, iss, aud, iat, &SSHOptions{}, &SSHOptions{CertType: "user", Principals: []string{"name"}}, jwk}, expectedUserOptions, false, false},
{"ok-host-opts", p1, args{sub, iss, aud, iat, &SSHOptions{}, &SSHOptions{CertType: "host", Principals: []string{"smallstep.com"}}, jwk}, expectedHostOptions, false, false},
{"ok-user-mixed", p1, args{sub, iss, aud, iat, &SSHOptions{CertType: "user"}, &SSHOptions{Principals: []string{"name"}}, jwk}, expectedUserOptions, false, false},
{"ok-host-mixed", p1, args{sub, iss, aud, iat, &SSHOptions{Principals: []string{"smallstep.com"}}, &SSHOptions{CertType: "host"}, jwk}, expectedHostOptions, false, false},
{"ok-user-validAfter", p1, args{sub, iss, aud, iat, &SSHOptions{
CertType: "user", Principals: []string{"name"},
}, &SSHOptions{
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ValidAfter: NewTimeDuration(tm.Add(-time.Hour)),
}, jwk}, &SSHOptions{
CertType: "user", Principals: []string{"name"}, ValidAfter: NewTimeDuration(tm.Add(-time.Hour)), ValidBefore: NewTimeDuration(tm.Add(userDuration - time.Hour)),
}, false, false},
{"ok-user-validBefore", p1, args{sub, iss, aud, iat, &SSHOptions{
CertType: "user", Principals: []string{"name"},
}, &SSHOptions{
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ValidBefore: NewTimeDuration(tm.Add(time.Hour)),
}, jwk}, &SSHOptions{
CertType: "user", Principals: []string{"name"}, ValidAfter: NewTimeDuration(tm), ValidBefore: NewTimeDuration(tm.Add(time.Hour)),
}, false, false},
{"ok-user-validAfter-validBefore", p1, args{sub, iss, aud, iat, &SSHOptions{
CertType: "user", Principals: []string{"name"},
}, &SSHOptions{
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ValidAfter: NewTimeDuration(tm.Add(10 * time.Minute)), ValidBefore: NewTimeDuration(tm.Add(time.Hour)),
}, jwk}, &SSHOptions{
CertType: "user", Principals: []string{"name"}, ValidAfter: NewTimeDuration(tm.Add(10 * time.Minute)), ValidBefore: NewTimeDuration(tm.Add(time.Hour)),
}, false, false},
{"ok-user-match", p1, args{sub, iss, aud, iat, &SSHOptions{
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CertType: "user", Principals: []string{"name"}, ValidAfter: NewTimeDuration(tm), ValidBefore: NewTimeDuration(tm.Add(1 * time.Hour)),
}, &SSHOptions{
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CertType: "user", Principals: []string{"name"}, ValidAfter: NewTimeDuration(tm), ValidBefore: NewTimeDuration(tm.Add(1 * time.Hour)),
}, jwk}, &SSHOptions{
CertType: "user", Principals: []string{"name"}, ValidAfter: NewTimeDuration(tm), ValidBefore: NewTimeDuration(tm.Add(time.Hour)),
}, false, false},
{"fail-certType", p1, args{sub, iss, aud, iat, &SSHOptions{CertType: "user", Principals: []string{"name"}}, &SSHOptions{CertType: "host"}, jwk}, nil, false, true},
{"fail-principals", p1, args{sub, iss, aud, iat, &SSHOptions{CertType: "user", Principals: []string{"name"}}, &SSHOptions{Principals: []string{"root"}}, jwk}, nil, false, true},
{"fail-validAfter", p1, args{sub, iss, aud, iat, &SSHOptions{CertType: "user", Principals: []string{"name"}, ValidAfter: NewTimeDuration(tm)}, &SSHOptions{ValidAfter: NewTimeDuration(tm.Add(time.Hour))}, jwk}, nil, false, true},
{"fail-validBefore", p1, args{sub, iss, aud, iat, &SSHOptions{CertType: "user", Principals: []string{"name"}, ValidBefore: NewTimeDuration(tm.Add(time.Hour))}, &SSHOptions{ValidBefore: NewTimeDuration(tm.Add(10 * time.Hour))}, jwk}, nil, false, true},
{"fail-subject", p1, args{"", iss, aud, iat, &SSHOptions{CertType: "user", Principals: []string{"name"}}, &SSHOptions{}, jwk}, nil, true, false},
{"fail-issuer", p1, args{sub, "invalid", aud, iat, &SSHOptions{CertType: "user", Principals: []string{"name"}}, &SSHOptions{}, jwk}, nil, true, false},
{"fail-audience", p1, args{sub, iss, "invalid", iat, &SSHOptions{CertType: "user", Principals: []string{"name"}}, &SSHOptions{}, jwk}, nil, true, false},
{"fail-expired", p1, args{sub, iss, aud, iat.Add(-6 * time.Minute), &SSHOptions{CertType: "user", Principals: []string{"name"}}, &SSHOptions{}, jwk}, nil, true, false},
{"fail-notBefore", p1, args{sub, iss, aud, iat.Add(5 * time.Minute), &SSHOptions{CertType: "user", Principals: []string{"name"}}, &SSHOptions{}, jwk}, nil, true, false},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
ctx := NewContextWithMethod(context.Background(), SignSSHMethod)
token, err := generateSSHToken(tt.args.sub, tt.args.iss, tt.args.aud, tt.args.iat, tt.args.tokSSHOpts, tt.args.jwk)
assert.FatalError(t, err)
if got, err := tt.prov.AuthorizeSign(ctx, token); (err != nil) != tt.wantErr {
t.Errorf("JWK.AuthorizeSign() error = %v, wantErr %v", err, tt.wantErr)
} else if !tt.wantErr && assert.NotNil(t, got) {
var opts SSHOptions
if tt.args.userSSHOpts != nil {
opts = *tt.args.userSSHOpts
}
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cert, err := signSSHCertificate(key.Public().Key, opts, got, signer.Key.(crypto.Signer))
if (err != nil) != tt.wantSignErr {
t.Errorf("SignSSH error = %v, wantSignErr %v", err, tt.wantSignErr)
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} else {
if tt.wantSignErr {
assert.Nil(t, cert)
} else {
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assert.NoError(t, validateSSHCertificate(cert, tt.expected))
}
}
}
})
}
}