ContainerImage.Pinniped/internal/upstreamoidc/upstreamoidc_test.go

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// Copyright 2020-2023 the Pinniped contributors. All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
package upstreamoidc
import (
"context"
"encoding/json"
"errors"
"fmt"
"net/http"
"net/http/httptest"
"net/url"
"reflect"
"testing"
"time"
"unsafe"
"github.com/coreos/go-oidc/v3/oidc"
"github.com/golang/mock/gomock"
"github.com/stretchr/testify/require"
"golang.org/x/oauth2"
"gopkg.in/square/go-jose.v2"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"go.pinniped.dev/internal/mocks/mockkeyset"
"go.pinniped.dev/internal/oidc/provider"
"go.pinniped.dev/internal/testutil"
"go.pinniped.dev/pkg/oidcclient/nonce"
"go.pinniped.dev/pkg/oidcclient/oidctypes"
)
func TestProviderConfig(t *testing.T) {
t.Run("getters get", func(t *testing.T) {
p := ProviderConfig{
Name: "test-name",
UsernameClaim: "test-username-claim",
GroupsClaim: "test-groups-claim",
Config: &oauth2.Config{
ClientID: "test-client-id",
Endpoint: oauth2.Endpoint{AuthURL: "https://example.com"},
Scopes: []string{"scope1", "scope2"},
},
Provider: &mockProvider{
rawClaims: []byte(`{"userinfo_endpoint": "https://example.com/userinfo"}`),
},
}
require.Equal(t, "test-name", p.GetName())
require.Equal(t, "test-client-id", p.GetClientID())
require.Equal(t, "https://example.com", p.GetAuthorizationURL().String())
require.ElementsMatch(t, []string{"scope1", "scope2"}, p.GetScopes())
require.Equal(t, "test-username-claim", p.GetUsernameClaim())
require.Equal(t, "test-groups-claim", p.GetGroupsClaim())
// AllowPasswordGrant defaults to false.
require.False(t, p.AllowsPasswordGrant())
p.AllowPasswordGrant = true
require.True(t, p.AllowsPasswordGrant())
p.AllowPasswordGrant = false
require.False(t, p.AllowsPasswordGrant())
require.True(t, p.HasUserInfoURL())
p.Provider = &mockProvider{
rawClaims: []byte(`{"some_other_endpoint": "https://example.com/blah"}`),
}
require.False(t, p.HasUserInfoURL())
p.Provider = &mockProvider{
rawClaims: []byte(`{`),
}
require.False(t, p.HasUserInfoURL())
// AdditionalAuthcodeParams defaults to empty
require.Empty(t, p.AdditionalAuthcodeParams)
p.AdditionalAuthcodeParams = map[string]string{"additional": "authcodeParams"}
require.Equal(t, p.GetAdditionalAuthcodeParams(), map[string]string{"additional": "authcodeParams"})
// AdditionalClaimMappings defaults to empty
require.Empty(t, p.AdditionalClaimMappings)
p.AdditionalClaimMappings = map[string]string{"additional": "claimMappings"}
require.Equal(t, p.GetAdditionalClaimMappings(), map[string]string{"additional": "claimMappings"})
})
const (
// Test JWTs generated with https://smallstep.com/docs/cli/crypto/jwt/:
// step crypto keypair key.pub key.priv --kty RSA --no-password --insecure --force && echo '{"at_hash": "invalid-at-hash"}' | step crypto jwt sign --key key.priv --aud test-client-id --sub test-user --subtle --kid="test-kid" --jti="test-jti"
invalidAccessTokenHashIDToken = "eyJhbGciOiJSUzI1NiIsImtpZCI6InRlc3Qta2lkIiwidHlwIjoiSldUIn0.eyJhdF9oYXNoIjoiaW52YWxpZC1hdC1oYXNoIiwiYXVkIjoidGVzdC1jbGllbnQtaWQiLCJpYXQiOjE2MDIyODM3OTEsImp0aSI6InRlc3QtanRpIiwibmJmIjoxNjAyMjgzNzkxLCJzdWIiOiJ0ZXN0LXVzZXIifQ.jryXr4jiwcf79wBLaHpjdclEYHoUFGhvTu95QyA6Hnk9NQ0x1vsWYurtj7a8uKydNPryC_HNZi9QTAE_tRIJjycseog3695-5y4B4EZlqL-a94rdOtffuF2O_lnPbKvoja9EKNrp0kLBCftFRHhLAEwuP0N9E5padZwPpIGK0yE_JqljnYgCySvzsQu7tasR38yaULny13h3mtp2WRHPG5DrLyuBuF8Z01hSgRi5hGcVpgzTwBgV5-eMaSUCUo-ZDkqUsLQI6dVlaikCSKYZRb53HeexH0tB_R9PJJHY7mIr-rS76kkQEx9pLuVnheIH9Oc6zbdYWg-zWMijopA8Pg" //nolint:gosec
// step crypto keypair key.pub key.priv --kty RSA --no-password --insecure --force && echo '{"nonce": "invalid-nonce"}' | step crypto jwt sign --key key.priv --aud test-client-id --sub test-user --subtle --kid="test-kid" --jti="test-jti"
invalidNonceIDToken = "eyJhbGciOiJSUzI1NiIsImtpZCI6InRlc3Qta2lkIiwidHlwIjoiSldUIn0.eyJhdWQiOiJ0ZXN0LWNsaWVudC1pZCIsImlhdCI6MTYwMjI4Mzc0MSwianRpIjoidGVzdC1qdGkiLCJuYmYiOjE2MDIyODM3NDEsIm5vbmNlIjoiaW52YWxpZC1ub25jZSIsInN1YiI6InRlc3QtdXNlciJ9.PRpq-7j5djaIAkraL-8t8ad9Xm4hM8RW67gyD1VIe0BecWeBFxsTuh3SZVKM9zmcwTgjudsyn8kQOwipDa49IN4PV8FcJA_uUJZi2wiqGJUSTG2K5I89doV_7e0RM1ZYIDDW1G2heKJNW7MbKkX7iEPr7u4MyEzswcPcupbyDA-CQFeL95vgwawoqa6yO94ympTbozqiNfj6Xyw_nHtThQnstjWsJZ9s2mUgppZezZv4HZYTQ7c3e_bzwhWgCzh2CSDJn9_Ra_n_4GcVkpHbsHTP35dFsnf0vactPx6CAu6A1-Apk-BruCktpZ3B4Ercf1UnUOHdGqzQKJtqvB03xQ" //nolint:gosec
// step crypto keypair key.pub key.priv --kty RSA --no-password --insecure --force && echo '{"foo": "bar", "bat": "baz"}' | step crypto jwt sign --key key.priv --aud test-client-id --sub '' --subtle --kid="test-kid" --jti="test-jti"
invalidSubClaim = "eyJhbGciOiJSUzI1NiIsImtpZCI6InRlc3Qta2lkIiwidHlwIjoiSldUIn0.eyJhdWQiOiJ0ZXN0LWNsaWVudC1pZCIsImJhdCI6ImJheiIsImZvbyI6ImJhciIsImlhdCI6MTYxMDIxOTY5MCwianRpIjoidGVzdC1qdGkiLCJuYmYiOjE2MTAyMTk2OTB9.CXgUarh9A8QByF_ddw0W1Cldl_n1qmry2cZh9U0Avi5sl7hb1y22MadDLQslvnx0NKx6EdbwI-El7QxDy0SzwomJomFL7WNd5gGk-Ilq9O_emaHekbpphZ5kxyudsAGUYGxrg1zysv1k5JPhnLnOUMcE7wa0uPLDWnrlAMzqHvnbjI3lakZ8v4-dfAKUIUGi3ycwuAh9BdpydwAsSNOpGBM55-O8911dqVfZKiFNNUeHYE1qlnbhCz7_ykLrljao0nRBbEf9FXGolCdhIaglt0LtaZvll9T9StIbSpcRaBGuRm8toTezmhmHjU-iCc0jGeVKsp8eTyOuJllqDSS-uw"
// step crypto keypair key.pub key.priv --kty RSA --no-password --insecure --force && echo '{"foo": "bar", "bat": "baz"}' | step crypto jwt sign --key key.priv --aud test-client-id --sub test-user --subtle --kid="test-kid" --jti="test-jti"
validIDToken = "eyJhbGciOiJSUzI1NiIsImtpZCI6InRlc3Qta2lkIiwidHlwIjoiSldUIn0.eyJhdWQiOiJ0ZXN0LWNsaWVudC1pZCIsImJhdCI6ImJheiIsImZvbyI6ImJhciIsImlhdCI6MTYwNjc2ODU5MywianRpIjoidGVzdC1qdGkiLCJuYmYiOjE2MDY3Njg1OTMsInN1YiI6InRlc3QtdXNlciJ9.DuqVZ7pGhHqKz7gNr4j2W1s1N8YrSltktH4wW19L4oD1OE2-O72jAnNj5xdjilsa8l7h9ox-5sMF0Tkh3BdRlHQK9dEtNm9tW-JreUnWJ3LCqUs-LZp4NG7edvq2sH_1Bn7O2_NQV51s8Pl04F60CndjQ4NM-6WkqDQTKyY6vJXU7idvM-6TM2HJZK-Na88cOJ9KIK37tL5DhcbsHVF47Dq8uPZ0KbjNQjJLAIi_1GeQBgc6yJhDUwRY4Xu6S0dtTHA6xTI8oSXoamt4bkViEHfJBp97LZQiNz8mku5pVc0aNwP1p4hMHxRHhLXrJjbh-Hx4YFjxtOnIq9t1mHlD4A" //nolint:gosec
)
t.Run("PasswordCredentialsGrantAndValidateTokens", func(t *testing.T) {
tests := []struct {
name string
disallowPasswordGrant bool
returnIDTok string
tokenStatusCode int
wantErr string
wantToken oidctypes.Token
rawClaims []byte
userInfo *oidc.UserInfo
userInfoErr error
wantUserInfoCalled bool
}{
{
name: "valid",
returnIDTok: validIDToken,
wantToken: oidctypes.Token{
AccessToken: &oidctypes.AccessToken{
Token: "test-access-token",
Expiry: metav1.Time{},
},
RefreshToken: &oidctypes.RefreshToken{
Token: "test-refresh-token",
},
IDToken: &oidctypes.IDToken{
Token: validIDToken,
Expiry: metav1.Time{},
Claims: map[string]interface{}{
"foo": "bar",
"bat": "baz",
"aud": "test-client-id",
"iat": 1.606768593e+09,
"jti": "test-jti",
"nbf": 1.606768593e+09,
"sub": "test-user",
},
},
},
rawClaims: []byte(`{}`), // user info not supported
wantUserInfoCalled: false,
},
{
name: "valid with userinfo",
returnIDTok: validIDToken,
wantToken: oidctypes.Token{
AccessToken: &oidctypes.AccessToken{
Token: "test-access-token",
Expiry: metav1.Time{},
},
RefreshToken: &oidctypes.RefreshToken{
Token: "test-refresh-token",
},
IDToken: &oidctypes.IDToken{
Token: validIDToken,
Expiry: metav1.Time{},
Claims: map[string]interface{}{
"foo": "awesomeness", // overwrite existing claim
"bat": "baz",
"aud": "test-client-id",
"iat": 1.606768593e+09,
"jti": "test-jti",
"nbf": 1.606768593e+09,
"sub": "test-user",
"groups": "fancy-group", // add a new claim
},
},
},
// claims is private field so we have to use hacks to set it
userInfo: forceUserInfoWithClaims("test-user", `{"foo":"awesomeness","groups":"fancy-group"}`),
wantUserInfoCalled: true,
},
{
name: "password grant not allowed",
disallowPasswordGrant: true, // password grant is not allowed in this ProviderConfig
wantErr: "resource owner password credentials grant is not allowed for this upstream provider according to its configuration",
},
{
name: "token request fails with http error",
tokenStatusCode: http.StatusForbidden,
wantErr: "oauth2: cannot fetch token: 403 Forbidden\nResponse: fake error\n",
},
{
name: "missing ID token",
wantErr: "received response missing ID token",
},
{
name: "invalid ID token",
returnIDTok: "invalid-jwt",
wantErr: "received invalid ID token: oidc: malformed jwt: oidc: malformed jwt, expected 3 parts got 1",
},
{
name: "invalid access token hash",
returnIDTok: invalidAccessTokenHashIDToken,
wantErr: "received invalid ID token: access token hash does not match value in ID token",
},
{
name: "user info fetch error",
returnIDTok: validIDToken,
wantErr: "could not fetch user info claims: could not get user info: some network error",
userInfoErr: errors.New("some network error"),
},
{
name: "user info sub error",
returnIDTok: validIDToken,
wantErr: "could not fetch user info claims: userinfo 'sub' claim (test-user-2) did not match id_token 'sub' claim (test-user)",
userInfo: &oidc.UserInfo{Subject: "test-user-2"},
},
{
name: "user info is not json",
returnIDTok: validIDToken,
wantErr: "could not fetch user info claims: could not unmarshal user info claims: invalid character 'i' looking for beginning of value",
// claims is private field so we have to use hacks to set it
userInfo: forceUserInfoWithClaims("test-user", `invalid-json-data`),
},
{
name: "invalid sub claim",
returnIDTok: invalidSubClaim,
wantToken: oidctypes.Token{
AccessToken: &oidctypes.AccessToken{
Token: "test-access-token",
Expiry: metav1.Time{},
},
RefreshToken: &oidctypes.RefreshToken{
Token: "test-refresh-token",
},
IDToken: &oidctypes.IDToken{
Token: invalidSubClaim,
Expiry: metav1.Time{},
Claims: map[string]interface{}{
"foo": "bar",
"bat": "baz",
"aud": "test-client-id",
"iat": 1.61021969e+09,
"jti": "test-jti",
"nbf": 1.61021969e+09,
// no sub claim
},
},
},
wantUserInfoCalled: false,
},
}
for _, tt := range tests {
tt := tt
t.Run(tt.name, func(t *testing.T) {
tokenServer := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
require.Equal(t, http.MethodPost, r.Method)
require.NoError(t, r.ParseForm())
require.Equal(t, 6, len(r.Form))
require.Equal(t, "password", r.Form.Get("grant_type"))
require.Equal(t, "test-client-id", r.Form.Get("client_id"))
require.Equal(t, "test-client-secret", r.Form.Get("client_secret"))
require.Equal(t, "test-username", r.Form.Get("username"))
require.Equal(t, "test-password", r.Form.Get("password"))
require.Equal(t, "scope1 scope2", r.Form.Get("scope"))
if tt.tokenStatusCode != 0 {
http.Error(w, "fake error", http.StatusForbidden)
return
}
var response struct {
oauth2.Token
IDToken string `json:"id_token,omitempty"`
}
response.AccessToken = "test-access-token"
response.RefreshToken = "test-refresh-token"
response.Expiry = time.Now().Add(time.Hour)
response.IDToken = tt.returnIDTok
w.Header().Set("content-type", "application/json")
require.NoError(t, json.NewEncoder(w).Encode(&response))
}))
t.Cleanup(tokenServer.Close)
rawClaims := tt.rawClaims
if len(rawClaims) == 0 && (tt.userInfo != nil || tt.userInfoErr != nil) {
rawClaims = []byte(`{"userinfo_endpoint": "not-empty"}`)
}
p := ProviderConfig{
Name: "test-name",
UsernameClaim: "test-username-claim",
GroupsClaim: "test-groups-claim",
Config: &oauth2.Config{
ClientID: "test-client-id",
ClientSecret: "test-client-secret",
Endpoint: oauth2.Endpoint{
AuthURL: "https://example.com",
TokenURL: tokenServer.URL,
AuthStyle: oauth2.AuthStyleInParams,
},
Scopes: []string{"scope1", "scope2"},
},
Provider: &mockProvider{
rawClaims: rawClaims,
userInfo: tt.userInfo,
userInfoErr: tt.userInfoErr,
},
AllowPasswordGrant: !tt.disallowPasswordGrant,
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Client: http.DefaultClient,
}
tok, err := p.PasswordCredentialsGrantAndValidateTokens(
context.Background(),
"test-username",
"test-password",
)
if tt.wantErr != "" {
require.EqualError(t, err, tt.wantErr)
require.Nil(t, tok)
return
}
require.NoError(t, err)
require.Equal(t, &tt.wantToken, tok)
require.Equal(t, tt.wantUserInfoCalled, p.Provider.(*mockProvider).called)
})
}
})
t.Run("PerformRefresh", func(t *testing.T) {
tests := []struct {
name string
returnIDTok string
returnAccessTok string
returnRefreshTok string
returnTokType string
returnExpiresIn string
tokenStatusCode int
wantErr string
wantToken *oauth2.Token
wantTokenExtras map[string]interface{}
}{
{
name: "success when the server returns all tokens in the refresh result",
returnIDTok: "test-id-token",
returnAccessTok: "test-access-token",
returnRefreshTok: "test-refresh-token",
returnTokType: "test-token-type",
returnExpiresIn: "42",
tokenStatusCode: http.StatusOK,
wantToken: &oauth2.Token{
AccessToken: "test-access-token",
RefreshToken: "test-refresh-token",
TokenType: "test-token-type",
Expiry: time.Now().Add(42 * time.Second),
},
wantTokenExtras: map[string]interface{}{
// the ID token only appears in the extras map
"id_token": "test-id-token",
// the library also repeats all the other keys/values returned by the server in the raw extras map
"access_token": "test-access-token",
"refresh_token": "test-refresh-token",
"token_type": "test-token-type",
"expires_in": "42",
// the library also adds this zero-value even though the server did not return it
"expiry": "0001-01-01T00:00:00Z",
},
},
{
name: "success when the server does not return a new refresh token in the refresh result",
returnIDTok: "test-id-token",
returnAccessTok: "test-access-token",
returnRefreshTok: "",
returnTokType: "test-token-type",
returnExpiresIn: "42",
tokenStatusCode: http.StatusOK,
wantToken: &oauth2.Token{
AccessToken: "test-access-token",
// the library sets the original refresh token into the result, even though the server did not return that
RefreshToken: "test-initial-refresh-token",
TokenType: "test-token-type",
Expiry: time.Now().Add(42 * time.Second),
},
wantTokenExtras: map[string]interface{}{
// the ID token only appears in the extras map
"id_token": "test-id-token",
// the library also repeats all the other keys/values returned by the server in the raw extras map
"access_token": "test-access-token",
"token_type": "test-token-type",
"expires_in": "42",
// the library also adds this zero-value even though the server did not return it
"expiry": "0001-01-01T00:00:00Z",
},
},
{
name: "success when the server does not return a new ID token in the refresh result",
returnIDTok: "",
returnAccessTok: "test-access-token",
returnRefreshTok: "test-refresh-token",
returnTokType: "test-token-type",
returnExpiresIn: "42",
tokenStatusCode: http.StatusOK,
wantToken: &oauth2.Token{
AccessToken: "test-access-token",
RefreshToken: "test-refresh-token",
TokenType: "test-token-type",
Expiry: time.Now().Add(42 * time.Second),
},
wantTokenExtras: map[string]interface{}{
// the library also repeats all the other keys/values returned by the server in the raw extras map
"access_token": "test-access-token",
"refresh_token": "test-refresh-token",
"token_type": "test-token-type",
"expires_in": "42",
// the library also adds this zero-value even though the server did not return it
"expiry": "0001-01-01T00:00:00Z",
},
},
{
name: "server returns an error on token refresh",
tokenStatusCode: http.StatusForbidden,
wantErr: "oauth2: cannot fetch token: 403 Forbidden\nResponse: fake error\n",
},
}
for _, tt := range tests {
tt := tt
t.Run(tt.name, func(t *testing.T) {
tokenServer := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
require.Equal(t, http.MethodPost, r.Method)
require.NoError(t, r.ParseForm())
require.Equal(t, 4, len(r.Form))
require.Equal(t, "test-client-id", r.Form.Get("client_id"))
require.Equal(t, "test-client-secret", r.Form.Get("client_secret"))
require.Equal(t, "refresh_token", r.Form.Get("grant_type"))
require.Equal(t, "test-initial-refresh-token", r.Form.Get("refresh_token"))
if tt.tokenStatusCode != http.StatusOK {
http.Error(w, "fake error", tt.tokenStatusCode)
return
}
var response struct {
oauth2.Token
IDToken string `json:"id_token,omitempty"`
ExpiresIn string `json:"expires_in,omitempty"`
}
response.IDToken = tt.returnIDTok
response.AccessToken = tt.returnAccessTok
response.RefreshToken = tt.returnRefreshTok
response.TokenType = tt.returnTokType
response.ExpiresIn = tt.returnExpiresIn
w.Header().Set("content-type", "application/json")
require.NoError(t, json.NewEncoder(w).Encode(&response))
}))
t.Cleanup(tokenServer.Close)
p := ProviderConfig{
Name: "test-name",
UsernameClaim: "test-username-claim",
GroupsClaim: "test-groups-claim",
Config: &oauth2.Config{
ClientID: "test-client-id",
ClientSecret: "test-client-secret",
Endpoint: oauth2.Endpoint{
AuthURL: "https://example.com",
TokenURL: tokenServer.URL,
AuthStyle: oauth2.AuthStyleInParams,
},
Scopes: []string{"scope1", "scope2"},
},
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Client: http.DefaultClient,
}
tok, err := p.PerformRefresh(
context.Background(),
"test-initial-refresh-token",
)
if tt.wantErr != "" {
require.EqualError(t, err, tt.wantErr)
require.Nil(t, tok)
return
}
require.NoError(t, err)
require.Equal(t, tt.wantToken.TokenType, tok.TokenType)
require.Equal(t, tt.wantToken.RefreshToken, tok.RefreshToken)
require.Equal(t, tt.wantToken.AccessToken, tok.AccessToken)
testutil.RequireTimeInDelta(t, tt.wantToken.Expiry, tok.Expiry, 5*time.Second)
for k, v := range tt.wantTokenExtras {
require.Equal(t, v, tok.Extra(k))
}
})
}
})
t.Run("RevokeToken", func(t *testing.T) {
tests := []struct {
name string
tokenType provider.RevocableTokenType
nilRevocationURL bool
unreachableServer bool
returnStatusCodes []int
returnErrBodies []string
wantErr testutil.RequireErrorStringFunc
wantRetryableErrType bool // additionally assert error type when wantErr is non-empty
wantNumRequests int
wantTokenTypeHint string
}{
{
name: "success without calling the server when there is no revocation URL set for refresh token",
tokenType: provider.RefreshTokenType,
nilRevocationURL: true,
wantNumRequests: 0,
},
{
name: "success without calling the server when there is no revocation URL set for access token",
tokenType: provider.AccessTokenType,
nilRevocationURL: true,
wantNumRequests: 0,
},
{
name: "success when the server returns 200 OK on the first call for refresh token",
tokenType: provider.RefreshTokenType,
returnStatusCodes: []int{http.StatusOK},
wantNumRequests: 1,
wantTokenTypeHint: "refresh_token",
},
{
name: "success when the server returns 200 OK on the first call for access token",
tokenType: provider.AccessTokenType,
returnStatusCodes: []int{http.StatusOK},
wantNumRequests: 1,
wantTokenTypeHint: "access_token",
},
{
name: "success when the server returns 400 Bad Request on the first call due to client auth, then 200 OK on second call for refresh token",
tokenType: provider.RefreshTokenType,
returnStatusCodes: []int{http.StatusBadRequest, http.StatusOK},
// https://datatracker.ietf.org/doc/html/rfc6749#section-5.2 defines this as the error for client auth failure
returnErrBodies: []string{`{ "error":"invalid_client", "error_description":"unhappy" }`},
wantNumRequests: 2,
wantTokenTypeHint: "refresh_token",
},
{
name: "success when the server returns 400 Bad Request on the first call due to client auth, then 200 OK on second call for access token",
tokenType: provider.AccessTokenType,
returnStatusCodes: []int{http.StatusBadRequest, http.StatusOK},
// https://datatracker.ietf.org/doc/html/rfc6749#section-5.2 defines this as the error for client auth failure
returnErrBodies: []string{`{ "error":"invalid_client", "error_description":"unhappy" }`},
wantNumRequests: 2,
wantTokenTypeHint: "access_token",
},
{
name: "error when the server returns 400 Bad Request on the first call due to client auth, then any 400 error on second call",
tokenType: provider.RefreshTokenType,
returnStatusCodes: []int{http.StatusBadRequest, http.StatusBadRequest},
returnErrBodies: []string{`{ "error":"invalid_client", "error_description":"unhappy" }`, `{ "error":"anything", "error_description":"unhappy" }`},
wantErr: testutil.WantExactErrorString(`server responded with status 400 with body: { "error":"anything", "error_description":"unhappy" }`),
wantRetryableErrType: false,
wantNumRequests: 2,
wantTokenTypeHint: "refresh_token",
},
{
name: "error when the server returns 400 Bad Request with bad JSON body on the first call",
tokenType: provider.RefreshTokenType,
returnStatusCodes: []int{http.StatusBadRequest},
returnErrBodies: []string{`invalid JSON body`},
wantErr: testutil.WantExactErrorString(`error parsing response body "invalid JSON body" on response with status code 400: invalid character 'i' looking for beginning of value`),
wantRetryableErrType: false,
wantNumRequests: 1,
wantTokenTypeHint: "refresh_token",
},
{
name: "error when the server returns 400 Bad Request with empty body",
tokenType: provider.RefreshTokenType,
returnStatusCodes: []int{http.StatusBadRequest},
returnErrBodies: []string{``},
wantErr: testutil.WantExactErrorString(`error parsing response body "" on response with status code 400: unexpected end of JSON input`),
wantRetryableErrType: false,
wantNumRequests: 1,
wantTokenTypeHint: "refresh_token",
},
{
name: "error when the server returns 400 Bad Request on the first call due to client auth, then any other error on second call",
tokenType: provider.RefreshTokenType,
returnStatusCodes: []int{http.StatusBadRequest, http.StatusForbidden},
returnErrBodies: []string{`{ "error":"invalid_client", "error_description":"unhappy" }`, ""},
wantErr: testutil.WantExactErrorString("server responded with status 403"),
wantRetryableErrType: false,
wantNumRequests: 2,
wantTokenTypeHint: "refresh_token",
},
{
name: "error when server returns any other 400 error on first call",
tokenType: provider.RefreshTokenType,
returnStatusCodes: []int{http.StatusBadRequest},
returnErrBodies: []string{`{ "error":"anything_else", "error_description":"unhappy" }`},
wantErr: testutil.WantExactErrorString(`server responded with status 400 with body: { "error":"anything_else", "error_description":"unhappy" }`),
wantRetryableErrType: false,
wantNumRequests: 1,
wantTokenTypeHint: "refresh_token",
},
{
name: "error when server returns any other error aside from 400 on first call",
tokenType: provider.RefreshTokenType,
returnStatusCodes: []int{http.StatusForbidden},
returnErrBodies: []string{""},
wantErr: testutil.WantExactErrorString("server responded with status 403"),
wantRetryableErrType: false,
wantNumRequests: 1,
wantTokenTypeHint: "refresh_token",
},
{
name: "retryable error when server returns 503 on first call",
tokenType: provider.RefreshTokenType,
returnStatusCodes: []int{http.StatusServiceUnavailable}, // 503
returnErrBodies: []string{""},
wantErr: testutil.WantExactErrorString("retryable revocation error: server responded with status 503"),
wantRetryableErrType: true,
wantNumRequests: 1,
wantTokenTypeHint: "refresh_token",
},
{
name: "retryable error when the server returns 400 Bad Request on the first call due to client auth, then 503 on second call",
tokenType: provider.AccessTokenType,
returnStatusCodes: []int{http.StatusBadRequest, http.StatusServiceUnavailable}, // 400, 503
returnErrBodies: []string{`{ "error":"invalid_client", "error_description":"unhappy" }`, ""},
wantErr: testutil.WantExactErrorString("retryable revocation error: server responded with status 503"),
wantRetryableErrType: true,
wantNumRequests: 2,
wantTokenTypeHint: "access_token",
},
{
name: "retryable error when server returns any 5xx status on first call, testing lower bound of 5xx range",
tokenType: provider.RefreshTokenType,
returnStatusCodes: []int{http.StatusInternalServerError}, // 500
returnErrBodies: []string{""},
wantErr: testutil.WantExactErrorString("retryable revocation error: server responded with status 500"),
wantRetryableErrType: true,
wantNumRequests: 1,
wantTokenTypeHint: "refresh_token",
},
{
name: "retryable error when server returns any 5xx status on first call, testing upper bound of 5xx range",
tokenType: provider.RefreshTokenType,
returnStatusCodes: []int{599}, // not defined by an RFC, but sometimes considered Network Connect Timeout Error
returnErrBodies: []string{""},
wantErr: testutil.WantExactErrorString("retryable revocation error: server responded with status 599"),
wantRetryableErrType: true,
wantNumRequests: 1,
wantTokenTypeHint: "refresh_token",
},
{
name: "retryable error when the server cannot be reached",
tokenType: provider.AccessTokenType,
unreachableServer: true,
wantErr: testutil.WantMatchingErrorString("^retryable revocation error: Post .*: dial tcp .*: connect: connection refused$"),
wantRetryableErrType: true,
wantNumRequests: 0,
},
}
for _, tt := range tests {
tt := tt
numRequests := 0
t.Run(tt.name, func(t *testing.T) {
tokenServer := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
numRequests++
require.LessOrEqual(t, numRequests, 2)
require.Equal(t, http.MethodPost, r.Method)
require.NoError(t, r.ParseForm())
if numRequests == 1 {
// First request should use client_id/client_secret params.
require.Equal(t, 4, len(r.Form))
require.Equal(t, "test-upstream-token", r.Form.Get("token"))
require.Equal(t, tt.wantTokenTypeHint, r.Form.Get("token_type_hint"))
require.Equal(t, "test-client-id", r.Form.Get("client_id"))
require.Equal(t, "test-client-secret", r.Form.Get("client_secret"))
} else {
// Second request, if there is one, should use basic auth.
require.Equal(t, 2, len(r.Form))
require.Equal(t, "test-upstream-token", r.Form.Get("token"))
require.Equal(t, tt.wantTokenTypeHint, r.Form.Get("token_type_hint"))
username, password, hasBasicAuth := r.BasicAuth()
require.True(t, hasBasicAuth, "request should have had basic auth but did not")
require.Equal(t, "test-client-id", username)
require.Equal(t, "test-client-secret", password)
}
if tt.returnStatusCodes[numRequests-1] != http.StatusOK {
w.Header().Set("content-type", "application/json")
http.Error(w, tt.returnErrBodies[numRequests-1], tt.returnStatusCodes[numRequests-1])
}
// Otherwise, responds with 200 OK and empty body by default.
}))
t.Cleanup(tokenServer.Close)
tokenURL, err := url.Parse(tokenServer.URL)
require.NoError(t, err)
p := ProviderConfig{
Name: "test-name",
Config: &oauth2.Config{
ClientID: "test-client-id",
ClientSecret: "test-client-secret",
},
RevocationURL: tokenURL,
Client: http.DefaultClient,
}
if tt.nilRevocationURL {
p.RevocationURL = nil
}
if tt.unreachableServer {
tokenServer.Close() // make the sever unreachable by closing it before making any requests
}
err = p.RevokeToken(
context.Background(),
"test-upstream-token",
tt.tokenType,
)
require.Equal(t, tt.wantNumRequests, numRequests,
"did not make expected number of requests to revocation endpoint")
if tt.wantErr != nil {
testutil.RequireErrorStringFromErr(t, err, tt.wantErr)
if tt.wantRetryableErrType {
require.ErrorAs(t, err, &provider.RetryableRevocationError{})
} else if errors.As(err, &provider.RetryableRevocationError{}) {
// There is no NotErrorAs() assertion available in the current version of testify, so do the equivalent.
require.Fail(t, "error should not be As RetryableRevocationError")
}
} else {
require.NoError(t, err)
}
})
}
})
t.Run("ValidateTokenAndMergeWithUserInfo", func(t *testing.T) {
expiryTime := time.Now().Add(42 * time.Second)
testTokenWithoutIDToken := &oauth2.Token{
AccessToken: "test-access-token",
// the library sets the original refresh token into the result, even though the server did not return that
RefreshToken: "test-initial-refresh-token",
TokenType: "test-token-type",
Expiry: expiryTime,
}
// generated from jwt.io
// sub: some-subject
// iss: some-issuer
// nonce: some-nonce
goodIDToken := "eyJhbGciOiJSUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiJzb21lLXN1YmplY3QiLCJub25jZSI6InNvbWUtbm9uY2UiLCJpc3MiOiJzb21lLWlzc3VlciJ9.eGvzOihLUqzn3M4k6fHsToedgy7Fu89_Xu_u4mwMgRlIyRWZqmEMV76RVLnZd9Ihm9j_VpvrpirIkaj4JM9eRNfLX1n328cmBivBwnTKAzHuTm17dUKO5EvdTmQzmwnN0WZ8nWk4GfR7RzcvE1V8G9tIiWD8FkO3Dr-NR_zTun3N37onAazVLCmF0SDtATDfUH1ETqviHEp8xGx5HD5mv5T3HEjOuer5gxTEnfncef0LurBH3po-C0tXHKu74PD8x88CMJ1DLsRdCalnctwa850slKPkBSTP-ssh0JVg7cdMXoosVpwiXtKYaBkrhu8VS018aFP-cBbW0mYwsHmt3g" //nolint:gosec
tests := []struct {
name string
tok *oauth2.Token
nonce nonce.Nonce
requireIDToken bool
requireUserInfo bool
userInfo *oidc.UserInfo
rawClaims []byte
userInfoErr error
wantErr string
wantMergedTokens *oidctypes.Token
}{
{
name: "token with id, access and refresh tokens, valid nonce, and no userinfo",
tok: testTokenWithoutIDToken.WithExtra(map[string]interface{}{"id_token": goodIDToken}),
nonce: "some-nonce",
requireIDToken: true,
rawClaims: []byte(`{"userinfo_endpoint": "not-empty"}`),
wantMergedTokens: &oidctypes.Token{
AccessToken: &oidctypes.AccessToken{
Token: "test-access-token",
Type: "test-token-type",
Expiry: metav1.NewTime(expiryTime),
},
RefreshToken: &oidctypes.RefreshToken{
Token: "test-initial-refresh-token",
},
IDToken: &oidctypes.IDToken{
Token: goodIDToken,
Claims: map[string]interface{}{
"iss": "some-issuer",
"nonce": "some-nonce",
"sub": "some-subject",
},
},
},
},
{
name: "id token not required but is provided",
tok: testTokenWithoutIDToken.WithExtra(map[string]interface{}{"id_token": goodIDToken}),
nonce: "some-nonce",
requireIDToken: false,
rawClaims: []byte(`{"userinfo_endpoint": "not-empty"}`),
userInfo: forceUserInfoWithClaims("some-subject", `{"name": "Pinny TheSeal", "sub": "some-subject"}`),
wantMergedTokens: &oidctypes.Token{
AccessToken: &oidctypes.AccessToken{
Token: "test-access-token",
Type: "test-token-type",
Expiry: metav1.NewTime(expiryTime),
},
RefreshToken: &oidctypes.RefreshToken{
Token: "test-initial-refresh-token",
},
IDToken: &oidctypes.IDToken{
Token: goodIDToken,
Claims: map[string]interface{}{
"iss": "some-issuer",
"nonce": "some-nonce",
"sub": "some-subject",
"name": "Pinny TheSeal",
},
},
},
},
{
name: "token with id, access and refresh tokens, valid nonce, and userinfo with a value that doesn't exist in the id token",
tok: testTokenWithoutIDToken.WithExtra(map[string]interface{}{"id_token": goodIDToken}),
nonce: "some-nonce",
requireIDToken: true,
rawClaims: []byte(`{"userinfo_endpoint": "not-empty"}`),
userInfo: forceUserInfoWithClaims("some-subject", `{"name": "Pinny TheSeal", "sub": "some-subject"}`),
wantMergedTokens: &oidctypes.Token{
AccessToken: &oidctypes.AccessToken{
Token: "test-access-token",
Type: "test-token-type",
Expiry: metav1.NewTime(expiryTime),
},
RefreshToken: &oidctypes.RefreshToken{
Token: "test-initial-refresh-token",
},
IDToken: &oidctypes.IDToken{
Token: goodIDToken,
Claims: map[string]interface{}{
"iss": "some-issuer",
"nonce": "some-nonce",
"sub": "some-subject",
"name": "Pinny TheSeal",
},
},
},
},
{
name: "userinfo is required, token with id, access and refresh tokens, valid nonce, and userinfo with a value that doesn't exist in the id token",
tok: testTokenWithoutIDToken.WithExtra(map[string]interface{}{"id_token": goodIDToken}),
nonce: "some-nonce",
requireIDToken: true,
requireUserInfo: true,
rawClaims: []byte(`{"userinfo_endpoint": "not-empty"}`),
userInfo: forceUserInfoWithClaims("some-subject", `{"name": "Pinny TheSeal", "sub": "some-subject"}`),
wantMergedTokens: &oidctypes.Token{
AccessToken: &oidctypes.AccessToken{
Token: "test-access-token",
Type: "test-token-type",
Expiry: metav1.NewTime(expiryTime),
},
RefreshToken: &oidctypes.RefreshToken{
Token: "test-initial-refresh-token",
},
IDToken: &oidctypes.IDToken{
Token: goodIDToken,
Claims: map[string]interface{}{
"iss": "some-issuer",
"nonce": "some-nonce",
"sub": "some-subject",
"name": "Pinny TheSeal",
},
},
},
},
{
name: "claims from userinfo override id token claims",
tok: testTokenWithoutIDToken.WithExtra(map[string]interface{}{"id_token": "eyJhbGciOiJSUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiJzb21lLXN1YmplY3QiLCJuYW1lIjoiSm9obiBEb2UiLCJpc3MiOiJzb21lLWlzc3VlciIsIm5vbmNlIjoic29tZS1ub25jZSJ9.sBWi3_4cfGwrmMFZWkCghw4uvCnHN35h9xNX1gkwOtj6Oz_yKqpj7wfO4AqeWsRyrDGnkmIZbVuhAAJqPSi4GlNzN4NU8zh53PGDUpFlpDI1dvqDjIRb9iIEJpRIj34--Sz41H0ooxviIzvUdZFvQlaSzLOqgjR3ddHe2urhbtUuz_DsabP84AWo2DSg0y3ull6DRvk_DvzC6HNN8JwVi08fFvvV9BVq8kjdVeob7gajJkuGSTjsxNZGs5rbBuxBx0MZTQ8boR1fDNdG70GoIb4SsCoBSs7pZxtmGZPHInteY1SilHDDDmpQuE-LvSmvvPN_Cyk1d3eS-IR7hBbCAA"}),
nonce: "some-nonce",
requireIDToken: true,
rawClaims: []byte(`{"userinfo_endpoint": "not-empty"}`),
userInfo: forceUserInfoWithClaims("some-subject", `{"name": "Pinny TheSeal", "sub": "some-subject"}`),
wantMergedTokens: &oidctypes.Token{
AccessToken: &oidctypes.AccessToken{
Token: "test-access-token",
Type: "test-token-type",
Expiry: metav1.NewTime(expiryTime),
},
RefreshToken: &oidctypes.RefreshToken{
Token: "test-initial-refresh-token",
},
IDToken: &oidctypes.IDToken{
Token: "eyJhbGciOiJSUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiJzb21lLXN1YmplY3QiLCJuYW1lIjoiSm9obiBEb2UiLCJpc3MiOiJzb21lLWlzc3VlciIsIm5vbmNlIjoic29tZS1ub25jZSJ9.sBWi3_4cfGwrmMFZWkCghw4uvCnHN35h9xNX1gkwOtj6Oz_yKqpj7wfO4AqeWsRyrDGnkmIZbVuhAAJqPSi4GlNzN4NU8zh53PGDUpFlpDI1dvqDjIRb9iIEJpRIj34--Sz41H0ooxviIzvUdZFvQlaSzLOqgjR3ddHe2urhbtUuz_DsabP84AWo2DSg0y3ull6DRvk_DvzC6HNN8JwVi08fFvvV9BVq8kjdVeob7gajJkuGSTjsxNZGs5rbBuxBx0MZTQ8boR1fDNdG70GoIb4SsCoBSs7pZxtmGZPHInteY1SilHDDDmpQuE-LvSmvvPN_Cyk1d3eS-IR7hBbCAA",
Claims: map[string]interface{}{
"iss": "some-issuer", // takes the issuer from the ID token, since the userinfo one is unreliable.
"nonce": "some-nonce",
"sub": "some-subject",
"name": "Pinny TheSeal",
},
},
},
},
{
name: "token with id, access and refresh tokens and valid nonce, but userinfo has a different issuer",
tok: testTokenWithoutIDToken.WithExtra(map[string]interface{}{"id_token": goodIDToken}),
nonce: "some-nonce",
requireIDToken: true,
rawClaims: []byte(`{"userinfo_endpoint": "not-empty"}`),
userInfo: forceUserInfoWithClaims("some-subject", `{"name": "Pinny TheSeal", "iss": "some-other-issuer", "sub": "some-subject"}`),
wantMergedTokens: &oidctypes.Token{
AccessToken: &oidctypes.AccessToken{
Token: "test-access-token",
Type: "test-token-type",
Expiry: metav1.NewTime(expiryTime),
},
RefreshToken: &oidctypes.RefreshToken{
Token: "test-initial-refresh-token",
},
IDToken: &oidctypes.IDToken{
Token: goodIDToken,
Claims: map[string]interface{}{
"iss": "some-issuer", // takes the issuer from the ID token, since the userinfo one is unreliable.
"nonce": "some-nonce",
"sub": "some-subject",
"name": "Pinny TheSeal",
},
},
},
},
{
name: "token with id, access and refresh tokens and valid nonce, but no userinfo endpoint from discovery and it's not required",
tok: testTokenWithoutIDToken.WithExtra(map[string]interface{}{"id_token": goodIDToken}),
nonce: "some-nonce",
requireIDToken: true,
requireUserInfo: false,
rawClaims: []byte(`{"not_the_userinfo_endpoint": "some-other-endpoint"}`),
wantMergedTokens: &oidctypes.Token{
AccessToken: &oidctypes.AccessToken{
Token: "test-access-token",
Type: "test-token-type",
Expiry: metav1.NewTime(expiryTime),
},
RefreshToken: &oidctypes.RefreshToken{
Token: "test-initial-refresh-token",
},
IDToken: &oidctypes.IDToken{
Token: goodIDToken,
Claims: map[string]interface{}{
"iss": "some-issuer",
"nonce": "some-nonce",
"sub": "some-subject",
},
},
},
},
{
name: "token with no id token but valid userinfo",
tok: testTokenWithoutIDToken,
nonce: "",
requireIDToken: false,
rawClaims: []byte(`{"userinfo_endpoint": "not-empty"}`),
userInfo: forceUserInfoWithClaims("some-subject", `{"name": "Pinny TheSeal", "iss": "some-other-issuer", "sub": "some-subject"}`),
wantMergedTokens: &oidctypes.Token{
AccessToken: &oidctypes.AccessToken{
Token: "test-access-token",
Type: "test-token-type",
Expiry: metav1.NewTime(expiryTime),
},
RefreshToken: &oidctypes.RefreshToken{
Token: "test-initial-refresh-token",
},
IDToken: &oidctypes.IDToken{
Token: "",
Claims: map[string]interface{}{
"sub": "some-subject",
"name": "Pinny TheSeal",
},
},
},
},
{
name: "token with neither id token nor userinfo",
tok: testTokenWithoutIDToken,
nonce: "",
requireIDToken: false,
rawClaims: []byte(`{"userinfo_endpoint": "not-empty"}`),
wantMergedTokens: &oidctypes.Token{
AccessToken: &oidctypes.AccessToken{
Token: "test-access-token",
Type: "test-token-type",
Expiry: metav1.NewTime(expiryTime),
},
RefreshToken: &oidctypes.RefreshToken{
Token: "test-initial-refresh-token",
},
IDToken: &oidctypes.IDToken{
Claims: map[string]interface{}{},
},
},
},
{
name: "token with id, access and refresh tokens, valid nonce, and userinfo subject that doesn't match",
tok: testTokenWithoutIDToken.WithExtra(map[string]interface{}{"id_token": goodIDToken}),
nonce: "some-nonce",
requireIDToken: true,
rawClaims: []byte(`{"userinfo_endpoint": "not-empty"}`),
userInfo: forceUserInfoWithClaims("some-other-subject", `{"name": "Pinny TheSeal", "sub": "some-other-subject"}`),
wantErr: "could not fetch user info claims: userinfo 'sub' claim (some-other-subject) did not match id_token 'sub' claim (some-subject)",
},
{
name: "id token not required but is provided, and subjects don't match",
tok: testTokenWithoutIDToken.WithExtra(map[string]interface{}{"id_token": goodIDToken}),
nonce: "some-nonce",
requireIDToken: false,
rawClaims: []byte(`{"userinfo_endpoint": "not-empty"}`),
userInfo: forceUserInfoWithClaims("some-other-subject", `{"name": "Pinny TheSeal", "sub": "some-other-subject"}`),
wantErr: "could not fetch user info claims: userinfo 'sub' claim (some-other-subject) did not match id_token 'sub' claim (some-subject)",
},
{
name: "invalid id token",
tok: testTokenWithoutIDToken.WithExtra(map[string]interface{}{"id_token": "not-an-id-token"}),
nonce: "some-nonce",
requireIDToken: true,
rawClaims: []byte(`{"userinfo_endpoint": "not-empty"}`),
userInfo: forceUserInfoWithClaims("some-other-subject", `{"name": "Pinny TheSeal", "sub": "some-other-subject"}`),
wantErr: "received invalid ID token: oidc: malformed jwt: oidc: malformed jwt, expected 3 parts got 1",
},
{
name: "invalid nonce",
tok: testTokenWithoutIDToken.WithExtra(map[string]interface{}{"id_token": goodIDToken}),
nonce: "some-other-nonce",
requireIDToken: true,
rawClaims: []byte(`{"userinfo_endpoint": "not-empty"}`),
userInfo: forceUserInfoWithClaims("some-other-subject", `{"name": "Pinny TheSeal", "sub": "some-other-subject"}`),
wantErr: "received ID token with invalid nonce: invalid nonce (expected \"some-other-nonce\", got \"some-nonce\")",
},
{
name: "expected to have id token, but doesn't",
tok: testTokenWithoutIDToken,
nonce: "some-other-nonce",
requireIDToken: true,
rawClaims: []byte(`{"userinfo_endpoint": "not-empty"}`),
userInfo: forceUserInfoWithClaims("some-subject", `{"name": "Pinny TheSeal", "sub": "some-subject"}`),
wantErr: "received response missing ID token",
},
{
name: "expected to have userinfo, but doesn't",
tok: testTokenWithoutIDToken,
nonce: "some-other-nonce",
requireUserInfo: true,
rawClaims: []byte(`{}`),
wantErr: "could not fetch user info claims: userinfo endpoint not found, but is required",
},
{
name: "expected to have id token and userinfo, but doesn't have either",
tok: testTokenWithoutIDToken,
nonce: "some-other-nonce",
requireUserInfo: true,
requireIDToken: true,
rawClaims: []byte(`{}`),
wantErr: "received response missing ID token",
},
{
name: "mismatched access token hash",
tok: testTokenWithoutIDToken,
nonce: "some-other-nonce",
requireIDToken: true,
rawClaims: []byte(`{"userinfo_endpoint": "not-empty"}`),
userInfo: forceUserInfoWithClaims("some-subject", `{"name": "Pinny TheSeal", "sub": "some-subject"}`),
wantErr: "received response missing ID token",
},
{
name: "id token missing subject, skip userinfo check",
tok: testTokenWithoutIDToken.WithExtra(map[string]interface{}{"id_token": "eyJhbGciOiJSUzI1NiIsInR5cCI6IkpXVCJ9.eyJuYW1lIjoiSm9obiBEb2UiLCJpc3MiOiJzb21lLWlzc3VlciIsIm5vbmNlIjoic29tZS1ub25jZSJ9.aIhrhikAnQ4Mb1g6RAT08qqflT2LLLi2yj4F2S4zud8nYad4tfEd2ITVJ4Njdjf70ubqyzZ6XxojtC4OqaWbDaQOcd95sd3PW58SYrf4NMvEStFkcMG0HMhJEZLVGnuJQstuq3G9h5Z5bFCkx4mFNo5ho_isBWyHpk-uF14duXXlIDB10SnyZ9dRbcmu-3mMOq0g4oCUPEDiHWkv-Rf70Mk0harL2xvcpxlSMLK4glDfiiki5gl6IReIo4rTVosXAqv3JmjLDeVLtJQRG6F8YcIlDCIfUEUfk0GeYacBVjoDIO570ywVJy1LGvyUuvgXNQUjq2JgzCfb8HWGp7iJdQ"}),
nonce: "some-nonce",
requireIDToken: true,
rawClaims: []byte(`{"userinfo_endpoint": "not-empty"}`),
userInfo: forceUserInfoWithClaims("some-other-subject", `{"name": "Pinny TheSeal", "sub": "some-other-subject"}`),
wantMergedTokens: &oidctypes.Token{
AccessToken: &oidctypes.AccessToken{
Token: "test-access-token",
Type: "test-token-type",
Expiry: metav1.NewTime(expiryTime),
},
RefreshToken: &oidctypes.RefreshToken{
Token: "test-initial-refresh-token",
},
IDToken: &oidctypes.IDToken{
Token: "eyJhbGciOiJSUzI1NiIsInR5cCI6IkpXVCJ9.eyJuYW1lIjoiSm9obiBEb2UiLCJpc3MiOiJzb21lLWlzc3VlciIsIm5vbmNlIjoic29tZS1ub25jZSJ9.aIhrhikAnQ4Mb1g6RAT08qqflT2LLLi2yj4F2S4zud8nYad4tfEd2ITVJ4Njdjf70ubqyzZ6XxojtC4OqaWbDaQOcd95sd3PW58SYrf4NMvEStFkcMG0HMhJEZLVGnuJQstuq3G9h5Z5bFCkx4mFNo5ho_isBWyHpk-uF14duXXlIDB10SnyZ9dRbcmu-3mMOq0g4oCUPEDiHWkv-Rf70Mk0harL2xvcpxlSMLK4glDfiiki5gl6IReIo4rTVosXAqv3JmjLDeVLtJQRG6F8YcIlDCIfUEUfk0GeYacBVjoDIO570ywVJy1LGvyUuvgXNQUjq2JgzCfb8HWGp7iJdQ",
Claims: map[string]interface{}{
"iss": "some-issuer",
"name": "John Doe",
"nonce": "some-nonce",
},
},
},
},
}
for _, tt := range tests {
tt := tt
t.Run(tt.name, func(t *testing.T) {
p := ProviderConfig{
Name: "test-name",
UsernameClaim: "test-username-claim",
GroupsClaim: "test-groups-claim",
Config: &oauth2.Config{
ClientID: "test-client-id",
ClientSecret: "test-client-secret",
Endpoint: oauth2.Endpoint{
AuthURL: "https://example.com",
TokenURL: "https://example.com",
AuthStyle: oauth2.AuthStyleInParams,
},
Scopes: []string{"scope1", "scope2"},
},
Provider: &mockProvider{
rawClaims: tt.rawClaims,
userInfo: tt.userInfo,
userInfoErr: tt.userInfoErr,
},
}
gotTok, err := p.ValidateTokenAndMergeWithUserInfo(context.Background(), tt.tok, tt.nonce, tt.requireIDToken, tt.requireUserInfo)
if tt.wantErr != "" {
require.Error(t, err)
require.Equal(t, tt.wantErr, err.Error())
} else {
require.NoError(t, err)
require.Equal(t, tt.wantMergedTokens, gotTok)
}
})
}
})
t.Run("ExchangeAuthcodeAndValidateTokens", func(t *testing.T) {
tests := []struct {
name string
authCode string
expectNonce nonce.Nonce
returnIDTok string
wantErr string
wantToken oidctypes.Token
rawClaims []byte
userInfo *oidc.UserInfo
userInfoErr error
wantUserInfoCalled bool
}{
{
name: "exchange fails with network error",
authCode: "invalid-auth-code",
wantErr: "oauth2: cannot fetch token: 403 Forbidden\nResponse: invalid authorization code\n",
},
{
name: "missing ID token",
authCode: "valid",
wantErr: "received response missing ID token",
},
{
name: "invalid ID token",
authCode: "valid",
returnIDTok: "invalid-jwt",
wantErr: "received invalid ID token: oidc: malformed jwt: oidc: malformed jwt, expected 3 parts got 1",
},
{
name: "invalid access token hash",
authCode: "valid",
returnIDTok: invalidAccessTokenHashIDToken,
wantErr: "received invalid ID token: access token hash does not match value in ID token",
},
{
name: "invalid nonce",
authCode: "valid",
expectNonce: "test-nonce",
returnIDTok: invalidNonceIDToken,
wantErr: `received ID token with invalid nonce: invalid nonce (expected "test-nonce", got "invalid-nonce")`,
},
{
name: "invalid nonce but not checked",
authCode: "valid",
expectNonce: "",
returnIDTok: invalidNonceIDToken,
wantToken: oidctypes.Token{
AccessToken: &oidctypes.AccessToken{
Token: "test-access-token",
Expiry: metav1.Time{},
},
RefreshToken: &oidctypes.RefreshToken{
Token: "test-refresh-token",
},
IDToken: &oidctypes.IDToken{
Token: invalidNonceIDToken,
Expiry: metav1.Time{},
Claims: map[string]interface{}{
"aud": "test-client-id",
"iat": 1.602283741e+09,
"jti": "test-jti",
"nbf": 1.602283741e+09,
"nonce": "invalid-nonce",
"sub": "test-user",
},
},
},
rawClaims: []byte(`{}`), // user info not supported
wantUserInfoCalled: false,
},
{
name: "valid but userinfo endpoint could not be found due to parse error",
authCode: "valid",
returnIDTok: validIDToken,
wantToken: oidctypes.Token{
AccessToken: &oidctypes.AccessToken{
Token: "test-access-token",
Expiry: metav1.Time{},
},
RefreshToken: &oidctypes.RefreshToken{
Token: "test-refresh-token",
},
IDToken: &oidctypes.IDToken{
Token: validIDToken,
Expiry: metav1.Time{},
Claims: map[string]interface{}{
"foo": "bar",
"bat": "baz",
"aud": "test-client-id",
"iat": 1.606768593e+09,
"jti": "test-jti",
"nbf": 1.606768593e+09,
"sub": "test-user",
},
},
},
// cannot be parsed as json, but note that in this case constructing a real provider would have failed
rawClaims: []byte(`{`),
wantUserInfoCalled: false,
},
{
name: "valid",
authCode: "valid",
returnIDTok: validIDToken,
wantToken: oidctypes.Token{
AccessToken: &oidctypes.AccessToken{
Token: "test-access-token",
Expiry: metav1.Time{},
},
RefreshToken: &oidctypes.RefreshToken{
Token: "test-refresh-token",
},
IDToken: &oidctypes.IDToken{
Token: validIDToken,
Expiry: metav1.Time{},
Claims: map[string]interface{}{
"foo": "bar",
"bat": "baz",
"aud": "test-client-id",
"iat": 1.606768593e+09,
"jti": "test-jti",
"nbf": 1.606768593e+09,
"sub": "test-user",
},
},
},
rawClaims: []byte(`{}`), // user info not supported
wantUserInfoCalled: false,
},
{
name: "user info fetch error",
authCode: "valid",
returnIDTok: validIDToken,
wantErr: "could not fetch user info claims: could not get user info: some network error",
userInfoErr: errors.New("some network error"),
},
{
name: "user info sub error",
authCode: "valid",
returnIDTok: validIDToken,
wantErr: "could not fetch user info claims: userinfo 'sub' claim (test-user-2) did not match id_token 'sub' claim (test-user)",
userInfo: &oidc.UserInfo{Subject: "test-user-2"},
},
{
name: "user info is not json",
authCode: "valid",
returnIDTok: validIDToken,
wantErr: "could not fetch user info claims: could not unmarshal user info claims: invalid character 'i' looking for beginning of value",
// claims is private field so we have to use hacks to set it
userInfo: forceUserInfoWithClaims("test-user", `invalid-json-data`),
},
{
name: "valid with user info",
authCode: "valid",
returnIDTok: validIDToken,
wantToken: oidctypes.Token{
AccessToken: &oidctypes.AccessToken{
Token: "test-access-token",
Expiry: metav1.Time{},
},
RefreshToken: &oidctypes.RefreshToken{
Token: "test-refresh-token",
},
IDToken: &oidctypes.IDToken{
Token: validIDToken,
Expiry: metav1.Time{},
Claims: map[string]interface{}{
"foo": "awesomeness", // overwrite existing claim
"bat": "baz",
"aud": "test-client-id",
"iat": 1.606768593e+09,
"jti": "test-jti",
"nbf": 1.606768593e+09,
"sub": "test-user",
"groups": "fancy-group", // add a new claim
},
},
},
// claims is private field so we have to use hacks to set it
userInfo: forceUserInfoWithClaims("test-user", `{"foo":"awesomeness","groups":"fancy-group"}`),
wantUserInfoCalled: true,
},
{
name: "invalid sub claim",
authCode: "valid",
returnIDTok: invalidSubClaim,
wantToken: oidctypes.Token{
AccessToken: &oidctypes.AccessToken{
Token: "test-access-token",
Expiry: metav1.Time{},
},
RefreshToken: &oidctypes.RefreshToken{
Token: "test-refresh-token",
},
IDToken: &oidctypes.IDToken{
Token: invalidSubClaim,
Expiry: metav1.Time{},
Claims: map[string]interface{}{
"foo": "bar",
"bat": "baz",
"aud": "test-client-id",
"iat": 1.61021969e+09,
"jti": "test-jti",
"nbf": 1.61021969e+09,
// no sub claim
},
},
},
wantUserInfoCalled: false,
},
}
for _, tt := range tests {
tt := tt
t.Run(tt.name, func(t *testing.T) {
tokenServer := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
require.Equal(t, http.MethodPost, r.Method)
require.NoError(t, r.ParseForm())
require.Len(t, r.Form, 6)
require.Equal(t, "test-client-id", r.Form.Get("client_id"))
require.Equal(t, "test-client-secret", r.Form.Get("client_secret"))
require.Equal(t, "test-pkce", r.Form.Get("code_verifier"))
require.Equal(t, "authorization_code", r.Form.Get("grant_type"))
require.Equal(t, "https://example.com/callback", r.Form.Get("redirect_uri"))
require.NotEmpty(t, r.Form.Get("code"))
if r.Form.Get("code") != "valid" {
http.Error(w, "invalid authorization code", http.StatusForbidden)
return
}
var response struct {
oauth2.Token
IDToken string `json:"id_token,omitempty"`
}
response.AccessToken = "test-access-token"
response.RefreshToken = "test-refresh-token"
response.Expiry = time.Now().Add(time.Hour)
response.IDToken = tt.returnIDTok
w.Header().Set("content-type", "application/json")
require.NoError(t, json.NewEncoder(w).Encode(&response))
}))
t.Cleanup(tokenServer.Close)
rawClaims := tt.rawClaims
if len(rawClaims) == 0 && (tt.userInfo != nil || tt.userInfoErr != nil) {
rawClaims = []byte(`{"userinfo_endpoint": "not-empty"}`)
}
p := ProviderConfig{
Name: "test-name",
UsernameClaim: "test-username-claim",
GroupsClaim: "test-groups-claim",
Config: &oauth2.Config{
ClientID: "test-client-id",
ClientSecret: "test-client-secret",
Endpoint: oauth2.Endpoint{
AuthURL: "https://example.com",
TokenURL: tokenServer.URL,
AuthStyle: oauth2.AuthStyleInParams,
},
Scopes: []string{"scope1", "scope2"},
},
Provider: &mockProvider{
rawClaims: rawClaims,
userInfo: tt.userInfo,
userInfoErr: tt.userInfoErr,
},
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Client: http.DefaultClient,
}
tok, err := p.ExchangeAuthcodeAndValidateTokens(
context.Background(),
tt.authCode,
"test-pkce",
tt.expectNonce,
"https://example.com/callback",
)
if tt.wantErr != "" {
require.EqualError(t, err, tt.wantErr)
require.Nil(t, tok)
return
}
require.NoError(t, err)
require.Equal(t, &tt.wantToken, tok)
require.Equal(t, tt.wantUserInfoCalled, p.Provider.(*mockProvider).called)
})
}
})
}
// mockVerifier returns an *oidc.IDTokenVerifier that validates any correctly serialized JWT without doing much else.
func mockVerifier() *oidc.IDTokenVerifier {
mockKeySet := mockkeyset.NewMockKeySet(gomock.NewController(nil))
mockKeySet.EXPECT().VerifySignature(gomock.Any(), gomock.Any()).
AnyTimes().
DoAndReturn(func(ctx context.Context, jwt string) ([]byte, error) {
jws, err := jose.ParseSigned(jwt)
if err != nil {
return nil, err
}
return jws.UnsafePayloadWithoutVerification(), nil
})
return oidc.NewVerifier("", mockKeySet, &oidc.Config{
SkipIssuerCheck: true,
SkipExpiryCheck: true,
SkipClientIDCheck: true,
})
}
type mockProvider struct {
called bool
rawClaims []byte
userInfo *oidc.UserInfo
userInfoErr error
}
func (m *mockProvider) Verifier(_ *oidc.Config) *oidc.IDTokenVerifier { return mockVerifier() }
func (m *mockProvider) Claims(v interface{}) error {
return json.Unmarshal(m.rawClaims, v)
}
func (m *mockProvider) UserInfo(_ context.Context, tokenSource oauth2.TokenSource) (*oidc.UserInfo, error) {
m.called = true
token, err := tokenSource.Token()
if err != nil {
return nil, err
}
if wantToken := "test-access-token"; wantToken != token.AccessToken {
return nil, fmt.Errorf("want token = %#v, got token = %#v", wantToken, token)
}
return m.userInfo, m.userInfoErr
}
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func forceUserInfoWithClaims(subject string, claims string) *oidc.UserInfo {
userInfo := &oidc.UserInfo{Subject: subject}
// this is some dark magic to set a private field
claimsField := reflect.ValueOf(userInfo).Elem().FieldByName("claims")
claimsPointer := (*[]byte)(unsafe.Pointer(claimsField.UnsafeAddr()))
*claimsPointer = []byte(claims)
return userInfo
}