open-vault/command/agent/jwt_end_to_end_test.go

377 lines
9.0 KiB
Go

package agent
import (
"context"
"encoding/json"
"io/ioutil"
"os"
"testing"
"time"
hclog "github.com/hashicorp/go-hclog"
vaultjwt "github.com/hashicorp/vault-plugin-auth-jwt"
"github.com/hashicorp/vault/api"
"github.com/hashicorp/vault/command/agent/auth"
agentjwt "github.com/hashicorp/vault/command/agent/auth/jwt"
"github.com/hashicorp/vault/command/agent/sink"
"github.com/hashicorp/vault/command/agent/sink/file"
"github.com/hashicorp/vault/helper/dhutil"
vaulthttp "github.com/hashicorp/vault/http"
"github.com/hashicorp/vault/sdk/helper/jsonutil"
"github.com/hashicorp/vault/sdk/helper/logging"
"github.com/hashicorp/vault/sdk/logical"
"github.com/hashicorp/vault/vault"
)
func TestJWTEndToEnd(t *testing.T) {
testJWTEndToEnd(t, false)
testJWTEndToEnd(t, true)
}
func testJWTEndToEnd(t *testing.T, ahWrapping bool) {
logger := logging.NewVaultLogger(hclog.Trace)
coreConfig := &vault.CoreConfig{
Logger: logger,
CredentialBackends: map[string]logical.Factory{
"jwt": vaultjwt.Factory,
},
}
cluster := vault.NewTestCluster(t, coreConfig, &vault.TestClusterOptions{
HandlerFunc: vaulthttp.Handler,
})
cluster.Start()
defer cluster.Cleanup()
vault.TestWaitActive(t, cluster.Cores[0].Core)
client := cluster.Cores[0].Client
// Setup Vault
err := client.Sys().EnableAuthWithOptions("jwt", &api.EnableAuthOptions{
Type: "jwt",
})
if err != nil {
t.Fatal(err)
}
_, err = client.Logical().Write("auth/jwt/config", map[string]interface{}{
"bound_issuer": "https://team-vault.auth0.com/",
"jwt_validation_pubkeys": TestECDSAPubKey,
"jwt_supported_algs": "ES256",
})
if err != nil {
t.Fatal(err)
}
_, err = client.Logical().Write("auth/jwt/role/test", map[string]interface{}{
"role_type": "jwt",
"bound_subject": "r3qXcK2bix9eFECzsU3Sbmh0K16fatW6@clients",
"bound_audiences": "https://vault.plugin.auth.jwt.test",
"user_claim": "https://vault/user",
"groups_claim": "https://vault/groups",
"policies": "test",
"period": "3s",
})
if err != nil {
t.Fatal(err)
}
// Generate encryption params
pub, pri, err := dhutil.GeneratePublicPrivateKey()
if err != nil {
t.Fatal(err)
}
// We close these right away because we're just basically testing
// permissions and finding a usable file name
inf, err := ioutil.TempFile("", "auth.jwt.test.")
if err != nil {
t.Fatal(err)
}
in := inf.Name()
inf.Close()
os.Remove(in)
t.Logf("input: %s", in)
ouf, err := ioutil.TempFile("", "auth.tokensink.test.")
if err != nil {
t.Fatal(err)
}
out := ouf.Name()
ouf.Close()
os.Remove(out)
t.Logf("output: %s", out)
dhpathf, err := ioutil.TempFile("", "auth.dhpath.test.")
if err != nil {
t.Fatal(err)
}
dhpath := dhpathf.Name()
dhpathf.Close()
os.Remove(dhpath)
// Write DH public key to file
mPubKey, err := jsonutil.EncodeJSON(&dhutil.PublicKeyInfo{
Curve25519PublicKey: pub,
})
if err != nil {
t.Fatal(err)
}
if err := ioutil.WriteFile(dhpath, mPubKey, 0600); err != nil {
t.Fatal(err)
} else {
logger.Trace("wrote dh param file", "path", dhpath)
}
ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
am, err := agentjwt.NewJWTAuthMethod(&auth.AuthConfig{
Logger: logger.Named("auth.jwt"),
MountPath: "auth/jwt",
Config: map[string]interface{}{
"path": in,
"role": "test",
},
})
if err != nil {
t.Fatal(err)
}
ahConfig := &auth.AuthHandlerConfig{
Logger: logger.Named("auth.handler"),
Client: client,
EnableReauthOnNewCredentials: true,
}
if ahWrapping {
ahConfig.WrapTTL = 10 * time.Second
}
ah := auth.NewAuthHandler(ahConfig)
errCh := make(chan error)
go func() {
errCh <- ah.Run(ctx, am)
}()
defer func() {
select {
case <-ctx.Done():
case err := <-errCh:
if err != nil {
t.Fatal(err)
}
}
}()
config := &sink.SinkConfig{
Logger: logger.Named("sink.file"),
AAD: "foobar",
DHType: "curve25519",
DHPath: dhpath,
DeriveKey: true,
Config: map[string]interface{}{
"path": out,
},
}
if !ahWrapping {
config.WrapTTL = 10 * time.Second
}
fs, err := file.NewFileSink(config)
if err != nil {
t.Fatal(err)
}
config.Sink = fs
ss := sink.NewSinkServer(&sink.SinkServerConfig{
Logger: logger.Named("sink.server"),
Client: client,
})
go func() {
errCh <- ss.Run(ctx, ah.OutputCh, []*sink.SinkConfig{config})
}()
defer func() {
select {
case <-ctx.Done():
case err := <-errCh:
if err != nil {
t.Fatal(err)
}
}
}()
// This has to be after the other defers so it happens first. It allows
// successful test runs to immediately cancel all of the runner goroutines
// and unblock any of the blocking defer calls by the runner's DoneCh that
// comes before this and avoid successful tests from taking the entire
// timeout duration.
defer cancel()
// Check that no jwt file exists
_, err = os.Lstat(in)
if err == nil {
t.Fatal("expected err")
}
if !os.IsNotExist(err) {
t.Fatal("expected notexist err")
}
_, err = os.Lstat(out)
if err == nil {
t.Fatal("expected err")
}
if !os.IsNotExist(err) {
t.Fatal("expected notexist err")
}
cloned, err := client.Clone()
if err != nil {
t.Fatal(err)
}
// Get a token
jwtToken, _ := GetTestJWT(t)
if err := ioutil.WriteFile(in, []byte(jwtToken), 0600); err != nil {
t.Fatal(err)
} else {
logger.Trace("wrote test jwt", "path", in)
}
checkToken := func() string {
timeout := time.Now().Add(5 * time.Second)
for {
if time.Now().After(timeout) {
t.Fatal("did not find a written token after timeout")
}
val, err := ioutil.ReadFile(out)
if err == nil {
os.Remove(out)
if len(val) == 0 {
t.Fatal("written token was empty")
}
// First decrypt it
resp := new(dhutil.Envelope)
if err := jsonutil.DecodeJSON(val, resp); err != nil {
continue
}
shared, err := dhutil.GenerateSharedSecret(pri, resp.Curve25519PublicKey)
if err != nil {
t.Fatal(err)
}
aesKey, err := dhutil.DeriveSharedKey(shared, pub, resp.Curve25519PublicKey)
if err != nil {
t.Fatal(err)
}
if len(aesKey) == 0 {
t.Fatal("got empty aes key")
}
val, err = dhutil.DecryptAES(aesKey, resp.EncryptedPayload, resp.Nonce, []byte("foobar"))
if err != nil {
t.Fatalf("error: %v\nresp: %v", err, string(val))
}
// Now unwrap it
wrapInfo := new(api.SecretWrapInfo)
if err := jsonutil.DecodeJSON(val, wrapInfo); err != nil {
t.Fatal(err)
}
switch {
case wrapInfo.TTL != 10:
t.Fatalf("bad wrap info: %v", wrapInfo.TTL)
case !ahWrapping && wrapInfo.CreationPath != "sys/wrapping/wrap":
t.Fatalf("bad wrap path: %v", wrapInfo.CreationPath)
case ahWrapping && wrapInfo.CreationPath != "auth/jwt/login":
t.Fatalf("bad wrap path: %v", wrapInfo.CreationPath)
case wrapInfo.Token == "":
t.Fatal("wrap token is empty")
}
cloned.SetToken(wrapInfo.Token)
secret, err := cloned.Logical().Unwrap("")
if err != nil {
t.Fatal(err)
}
if ahWrapping {
switch {
case secret.Auth == nil:
t.Fatal("unwrap secret auth is nil")
case secret.Auth.ClientToken == "":
t.Fatal("unwrap token is nil")
}
return secret.Auth.ClientToken
} else {
switch {
case secret.Data == nil:
t.Fatal("unwrap secret data is nil")
case secret.Data["token"] == nil:
t.Fatal("unwrap token is nil")
}
return secret.Data["token"].(string)
}
}
time.Sleep(250 * time.Millisecond)
}
}
origToken := checkToken()
// We only check this if the renewer is actually renewing for us
if !ahWrapping {
// Period of 3 seconds, so should still be alive after 7
timeout := time.Now().Add(7 * time.Second)
cloned.SetToken(origToken)
for {
if time.Now().After(timeout) {
break
}
secret, err := cloned.Auth().Token().LookupSelf()
if err != nil {
t.Fatal(err)
}
ttl, err := secret.Data["ttl"].(json.Number).Int64()
if err != nil {
t.Fatal(err)
}
if ttl > 3 {
t.Fatalf("unexpected ttl: %v", secret.Data["ttl"])
}
}
}
// Get another token to test the backend pushing the need to authenticate
// to the handler
jwtToken, _ = GetTestJWT(t)
if err := ioutil.WriteFile(in, []byte(jwtToken), 0600); err != nil {
t.Fatal(err)
}
newToken := checkToken()
if newToken == origToken {
t.Fatal("found same token written")
}
if !ahWrapping {
// Repeat the period test. At the end the old token should have expired and
// the new token should still be alive after 7
timeout := time.Now().Add(7 * time.Second)
cloned.SetToken(newToken)
for {
if time.Now().After(timeout) {
break
}
secret, err := cloned.Auth().Token().LookupSelf()
if err != nil {
t.Fatal(err)
}
ttl, err := secret.Data["ttl"].(json.Number).Int64()
if err != nil {
t.Fatal(err)
}
if ttl > 3 {
t.Fatalf("unexpected ttl: %v", secret.Data["ttl"])
}
}
cloned.SetToken(origToken)
_, err = cloned.Auth().Token().LookupSelf()
if err == nil {
t.Fatal("expected error")
}
}
}