File: genericclaims_test.go

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/*
 * Copyright 2018-2024 The NATS Authors
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package jwt

import (
	"testing"
	"time"

	. "github.com/nats-io/jwt/v2"
	jwtv1 "github.com/nats-io/jwt/v2/v1compat"
)

func TestNewGenericClaims(t *testing.T) {
	akp := createAccountNKey(t)
	apk := publicKey(akp, t)

	gc := NewGenericClaims(apk)
	gc.Expires = time.Now().Add(time.Hour).UTC().Unix()
	gc.Name = "alberto"
	gc.Audience = "everyone"
	gc.NotBefore = time.Now().UTC().Unix()
	gc.Data["test"] = true

	gcJwt := encode(gc, akp, t)

	uc2, err := DecodeGeneric(gcJwt)
	if err != nil {
		t.Fatal("failed to decode", err)
	}

	AssertEquals(gc.String(), uc2.String(), t)
	AssertEquals(gc.Name, uc2.Name, t)
	AssertEquals(gc.Audience, uc2.Audience, t)
	AssertEquals(gc.Expires, uc2.Expires, t)
	AssertEquals(gc.NotBefore, uc2.NotBefore, t)
	AssertEquals(gc.Subject, uc2.Subject, t)

	AssertEquals(gc.Data["test"], true, t)
	AssertEquals(gc.Claims() != nil, true, t)
	AssertEquals(gc.Payload() != nil, true, t)
}

func TestNewGenericOperatorClaims(t *testing.T) {
	okp := createOperatorNKey(t)
	opk := publicKey(okp, t)

	op := NewOperatorClaims(opk)

	oJwt := encode(op, okp, t)

	oc2, err := DecodeGeneric(oJwt)
	if err != nil {
		t.Fatal("failed to decode", err)
	}
	if OperatorClaim != oc2.ClaimType() {
		t.Fatalf("Bad Claim type")
	}
}

func TestGenericClaimsCanHaveCustomType(t *testing.T) {
	akp := createAccountNKey(t)
	apk := publicKey(akp, t)

	gc := NewGenericClaims(apk)
	gc.Expires = time.Now().Add(time.Hour).UTC().Unix()
	gc.Name = "alberto"
	gc.Data["hello"] = "world"
	gc.Data["count"] = 5
	gc.Data["type"] = "my_type"
	gcJwt := encode(gc, akp, t)

	gc2, err := DecodeGeneric(gcJwt)
	if err != nil {
		t.Fatal("failed to decode", err)
	}
	if gc2.ClaimType() != GenericClaim {
		t.Fatalf("expected claimtype to be generic got: %v", gc2.ClaimType())
	}
	if gc2.Data["type"] != "my_type" {
		t.Fatalf("expected internal type to be 'my_type': %v", gc2.Data["type"])
	}
}

func TestGenericClaimsCanHaveCustomTypeFromV1(t *testing.T) {
	akp := createAccountNKey(t)
	apk := publicKey(akp, t)

	gc := jwtv1.NewGenericClaims(apk)
	gc.Expires = time.Now().Add(time.Hour).UTC().Unix()
	gc.Name = "alberto"
	gc.Data["hello"] = "world"
	gc.Data["count"] = 5
	gc.Type = "my_type"
	token, err := gc.Encode(akp)
	if err != nil {
		t.Fatalf("failed to encode v1 JWT: %v", err)
	}

	gc2, err := DecodeGeneric(token)
	if err != nil {
		t.Fatal("failed to decode", err)
	}
	if gc2.ClaimType() != GenericClaim {
		t.Fatalf("expected claimtype to be generic got: %v", gc2.ClaimType())
	}
	if gc2.Data["type"] != "my_type" {
		t.Fatalf("expected internal type to be 'my_type': %v", gc2.Data["type"])
	}
}

func TestGenericClaimsSignerFn(t *testing.T) {
	akp := createAccountNKey(t)
	apk := publicKey(akp, t)

	gc := NewGenericClaims(apk)
	gc.Expires = time.Now().Add(time.Hour).UTC().Unix()
	gc.Name = "alberto"
	gc.Data["hello"] = "world"
	gc.Data["count"] = 5
	gc.Data["type"] = "my_type"

	ok := false
	gcJwt, err := gc.EncodeWithSigner(akp, func(pub string, data []byte) ([]byte, error) {
		ok = true
		return akp.Sign(data)
	})
	if err != nil {
		t.Fatal("failed to encode")
	}
	if !ok {
		t.Fatal("didn't encode with function")
	}

	gc2, err := DecodeGeneric(gcJwt)
	if err != nil {
		t.Fatal("failed to decode", err)
	}
	if gc2.ClaimType() != GenericClaim {
		t.Fatalf("expected claimtype to be generic got: %v", gc2.ClaimType())
	}
}