// and overwrite them with the claims from JWT.
	if ok && pCfg.ClaimUserinfo {
		if accessToken == "" {
			return errors.New("access_token is mandatory if user_info claim is enabled")
		}
		uclaims, err := pCfg.UserInfo(ctx, accessToken, r.transport)
		if err != nil {
			return err
		}
		for k, v := range uclaims {
			if _, ok := claims[k]; !ok { // only add to claims not update it.

func authenticateNode(accessKey, secretKey, audience string) (string, error) {
	claims := xjwt.NewStandardClaims()
	claims.SetExpiry(UTCNow().Add(defaultInterNodeJWTExpiry))
	claims.SetAccessKey(accessKey)
	claims.SetAudience(audience)

	jwt := jwtgo.NewWithClaims(jwtgo.SigningMethodHS512, claims)
	return jwt.SignedString([]byte(secretKey))
}

// Check if the request is authenticated.

	if err != nil {
		return nil, err
	}
	dec := json.NewDecoder(bytes.NewBuffer(claimBytes))

	claims := make(map[string]any)
	if err := dec.Decode(&claims); err != nil {
		return nil, fmt.Errorf("failed to decode the JWT claims")
	}
	return claims, nil
}

func DecodeJwtPart(seg string) ([]byte, error) {
	if l := len(seg) % 4; l > 0 {
		seg += strings.Repeat("=", 4-l)
	}

	// JWT specific values
	//
	// Add all string claims
	for k, v := range claims {
		vStr, ok := v.(string)
		if ok {
			// Trim any LDAP specific prefix
			args[strings.ToLower(strings.TrimPrefix(k, "ldap"))] = []string{vStr}
		}
	}

	// Add groups claim which could be a list. This will ensure that the claim
	// `jwt:groups` works.
	if grpsVal, ok := claims["groups"]; ok {

transfer and otherwise run, modify and propagate the contents of this
implementation of Go, where such license applies only to those patent
claims, both currently owned or controlled by Google and acquired in
the future, licensable by Google that are necessarily infringed by this
implementation of Go.  This grant does not include claims that would be
infringed only as a consequence of further modification of this

		{time.Duration(3) * time.Minute, "900", false},
	}

	for _, testCase := range testCases {
		testCase := testCase
		t.Run("", func(t *testing.T) {
			claims := map[string]interface{}{}
			claims["exp"] = testCase.exp
			err := updateClaimsExpiry(testCase.dsecs, claims)
			if err != nil && !testCase.expectedFailure {
				t.Errorf("Expected success, got failure %s", err)
			}
			if err == nil && testCase.expectedFailure {

		"65xiNg"

	// oneAudString includes one `aud` claim "abc" of type string.
	oneAudString = "header.eyJhdWQiOiJhYmMiLCJleHAiOjQ3MzI5OTQ4MDEsImlhdCI6MTU3OTM5NDgwMSwiaXNzIjoidGVzdC1pc3N1ZXItMUBpc3Rpby5pbyIsInN1YiI6InN1Yi0xIn0.signature" // nolint: lll

	// twoAudList includes two `aud` claims ["abc", "xyz"] of type []string.

			if err != nil {
				t.Error(err)
				return
			}

			req := &drapbv1alpha3.NodePrepareResourcesRequest{
				Claims: []*drapbv1alpha3.Claim{
					{
						Namespace:      "dummy-namespace",
						Uid:            "dummy-uid",
						Name:           "dummy-claim",
						ResourceHandle: "dummy-resource",
					},
				},
			}
			client.NodePrepareResources(context.TODO(), req)

			if err != nil {
				return nil, err
			}
			return []string{ret}, nil
		}
		claims = append(claims, s[begin+1:end])
		begin = end + 1
	}
	return claims, nil
}

func MetadataStringMatcherForJWTClaim(claim string, m *matcherpb.StringMatcher) *matcherpb.MetadataMatcher {
	return MetadataValueMatcherForJWTClaim(claim, &matcherpb.ValueMatcher{
		MatchPattern: &matcherpb.ValueMatcher_StringMatch{
			StringMatch: m,
		},

				&ClaimMappingExpression{
					Expression: "claims.foo",
				},
			},
			wantErr: `compilation failed: ERROR: <input>:1:1: undeclared reference to 'claims' (in container '')`,
		},
		{
			name: "ExtraMappingCondition with wrong env",
			expressionAccessors: []ExpressionAccessor{
				&ExtraMappingExpression{
					Expression: "claims.foo",
				},
			},