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feat: add JWT meta API authentication (#2754)
* feat: add JWT meta API authentication Add JWT meta API authentication using the new `[auth] meta-internal-shared-secret` configuration parameter. closes: #2753
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Original file line number | Diff line number | Diff line change |
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package integrations | ||
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import ( | ||
"errors" | ||
"fmt" | ||
"net/http" | ||
"strings" | ||
"testing" | ||
"time" | ||
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"github.com/golang-jwt/jwt" | ||
"github.com/h2non/gock" | ||
"golang.org/x/crypto/bcrypt" | ||
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authcore "github.com/influxdata/kapacitor/auth" | ||
"github.com/influxdata/kapacitor/keyvalue" | ||
"github.com/influxdata/kapacitor/services/auth" | ||
"github.com/influxdata/kapacitor/services/auth/meta" | ||
"github.com/influxdata/kapacitor/services/storage" | ||
"github.com/stretchr/testify/require" | ||
) | ||
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type NopDiag struct{} | ||
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func (d *NopDiag) Debug(msg string, ctx ...keyvalue.T) {} | ||
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type NopStorageService struct{} | ||
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func (s *NopStorageService) Store(namespace string) storage.Interface { | ||
return nil | ||
} | ||
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// newTestAuthService makes an auth service with given config hooked up for mocking with gock. | ||
func newTestAuthService(config auth.Config) (*auth.Service, error) { | ||
diag := &NopDiag{} | ||
interceptClient := func(c *http.Client) error { gock.InterceptClient(c); return nil } | ||
srv, err := auth.NewService(config, diag, meta.WithHTTPOption(interceptClient)) | ||
if err != nil { | ||
return nil, err | ||
} | ||
if srv == nil { | ||
return nil, fmt.Errorf("auth.NewService returned nil without an error") | ||
} | ||
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srv.StorageService = &NopStorageService{} | ||
srv.HTTPDService = newHTTPDService() | ||
if err = srv.Open(); err != nil { | ||
return nil, err | ||
} | ||
return srv, nil | ||
} | ||
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const ( | ||
metaName = "meta1.edge" | ||
metaPort = 8091 | ||
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metaSecret = "MyVoiceIsMyPassport" | ||
metaUser = "JoeyJo-JoJuniorShabadoo" | ||
metaPass = "ShabadooPassword" | ||
) | ||
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var ( | ||
metaAddr = fmt.Sprintf("%s:%d", metaName, metaPort) | ||
metaUrl = fmt.Sprintf("http://%s", metaAddr) | ||
) | ||
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// bearerCheck is a gock matcher that ensures the bearer token presented by the client is correct. | ||
func bearerCheck(user, secret string) gock.MatchFunc { | ||
return func(r *http.Request, gr *gock.Request) (bool, error) { | ||
authHeader := r.Header.Get("Authorization") | ||
if authHeader == "" { | ||
return false, nil | ||
} | ||
authSections := strings.Split(authHeader, " ") | ||
if len(authSections) != 2 || authSections[0] != "Bearer" { | ||
return false, nil | ||
} | ||
tokenStr := authSections[1] | ||
token, err := jwt.Parse(tokenStr, func(t *jwt.Token) (interface{}, error) { | ||
if _, ok := t.Method.(*jwt.SigningMethodHMAC); !ok { | ||
return nil, errors.New("signing method should be HMAC") | ||
} | ||
return []byte(secret), nil | ||
}) | ||
if err != nil { | ||
return false, err | ||
} | ||
claims, ok := token.Claims.(jwt.MapClaims) | ||
if !ok { | ||
return false, errors.New("improper claims object") | ||
} | ||
claimsUser, ok := claims["username"].(string) | ||
if !ok { | ||
return false, errors.New("bad claims username") | ||
} | ||
if claimsUser != user { | ||
return false, nil | ||
} | ||
return claims.VerifyExpiresAt(time.Now().Unix(), true), nil | ||
} | ||
} | ||
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// runCommonMetaAuthTests runs common test cases that require using the meta API | ||
// to authenticate kapacitor users. | ||
func runCommonMetaAuthTests(t *testing.T, config auth.Config, authType meta.AuthType) { | ||
defer gock.OffAll() | ||
gock.Observe(gock.DumpRequest) | ||
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// newGock creates a gock request configured for the expected type of authentication. | ||
newGock := func() *gock.Request { | ||
gr := gock.New(metaUrl).SetMatcher(gock.NewMatcher()) | ||
switch authType { | ||
case meta.BasicAuth: | ||
gr.BasicAuth(metaUser, metaPass) | ||
case meta.BearerAuth: | ||
gr.MatchHeader("Authorization", "Bearer (.*)") | ||
// When using the internal shared secret the username should be empty | ||
gr.AddMatcher(bearerCheck("", metaSecret)) | ||
} | ||
return gr | ||
} | ||
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type UsersJson struct { | ||
Users []meta.User `json:"users"` | ||
} | ||
passwordHash := func(pass string) string { | ||
hash, err := bcrypt.GenerateFromPassword([]byte(pass), bcrypt.DefaultCost) | ||
require.NoError(t, err) | ||
return string(hash) | ||
} | ||
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metaAlice := meta.User{ | ||
Name: "alice", | ||
Hash: passwordHash("CaptainPicard"), | ||
Permissions: map[string][]meta.Permission{"ProjectScorpio": {meta.Permission(meta.KapacitorAPIPermission)}}, | ||
} | ||
authAlice := authcore.NewUser("alice", []byte(metaAlice.Hash), false, map[string][]authcore.Privilege{"/api": {authcore.AllPrivileges}, "/api/config": {authcore.NoPrivileges}}) | ||
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metaBob := meta.User{ | ||
Name: "bob", | ||
Hash: passwordHash("TheDoctor"), | ||
Permissions: map[string][]meta.Permission{"ProjectScorpio": {meta.Permission(meta.ReadDataPermission)}}, | ||
} | ||
authBob := authcore.NewUser("bob", []byte(metaBob.Hash), false, map[string][]authcore.Privilege{"/api/ping": {authcore.AllPrivileges}, "/database/ProjectScorpio_clean": {authcore.ReadPrivilege}}) | ||
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authBad := authcore.User{} | ||
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metaUsers := map[string]meta.User{ | ||
"alice": metaAlice, | ||
"bob": metaBob, | ||
} | ||
addValidUserReq := func(name string) { | ||
newGock().Get("/user"). | ||
MatchParam("name", name). | ||
Reply(200). | ||
JSON(UsersJson{Users: []meta.User{metaUsers[name]}}) | ||
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} | ||
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addValidUserReq("alice") // first request with invalid user password | ||
addValidUserReq("alice") // second request with valid user password | ||
addValidUserReq("bob") | ||
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// add an invalid username request | ||
newGock().Get("/user"). | ||
MatchParam("name", "carol"). | ||
Reply(404) | ||
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srv, err := newTestAuthService(config) | ||
require.NoError(t, err) | ||
require.NotNil(t, srv) | ||
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// check for failure with bad alice password | ||
alice, err := srv.Authenticate("alice", "CaptainKirk") | ||
require.Error(t, err) | ||
require.Equal(t, authBad, alice) | ||
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alice, err = srv.Authenticate("alice", "CaptainPicard") | ||
require.NoError(t, err) | ||
require.Equal(t, authAlice, alice) | ||
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// This should be cached not require a request to the meta API, yet it does... | ||
/* | ||
alice, err = srv.Authenticate("alice", "CaptainPicard") | ||
require.NoError(t, err) | ||
require.Equal(t, authAlice, alice) | ||
*/ | ||
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bob, err := srv.Authenticate("bob", "TheDoctor") | ||
require.NoError(t, err) | ||
require.Equal(t, authBob, bob) | ||
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carol, err := srv.Authenticate("carol", "LukeSkywalker") | ||
require.Error(t, err) | ||
require.Equal(t, authBad, carol) | ||
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require.True(t, gock.IsDone()) | ||
} | ||
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func TestMetaAuth_NoAuth(t *testing.T) { | ||
config := auth.Config{ | ||
Enabled: true, | ||
MetaAddr: metaAddr, | ||
} | ||
runCommonMetaAuthTests(t, config, meta.NoAuth) | ||
} | ||
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func TestMetaAuth_UserPass(t *testing.T) { | ||
config := auth.Config{ | ||
Enabled: true, | ||
MetaAddr: metaAddr, | ||
MetaUsername: metaUser, | ||
MetaPassword: metaPass, | ||
} | ||
runCommonMetaAuthTests(t, config, meta.BasicAuth) | ||
} | ||
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func TestMetaAuth_Secret(t *testing.T) { | ||
config := auth.Config{ | ||
Enabled: true, | ||
MetaAddr: metaAddr, | ||
MetaInternalSharedSecret: metaSecret, | ||
} | ||
runCommonMetaAuthTests(t, config, meta.BearerAuth) | ||
} | ||
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func TestMetaAuth_SecretAndUserPass(t *testing.T) { | ||
config := auth.Config{ | ||
Enabled: true, | ||
MetaAddr: metaAddr, | ||
MetaInternalSharedSecret: metaSecret, | ||
|
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// MetaUsername and MetaPassword should be ignored if MetaInternalSharedSecret is set. | ||
MetaUsername: metaUser, | ||
MetaPassword: metaPass, | ||
} | ||
runCommonMetaAuthTests(t, config, meta.BearerAuth) | ||
} |
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