File: rsa_test.go

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golang-github-dgrijalva-jwt-go 3.0.0.1+REALLY.2.6.0-3
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package jwt_test

import (
	"github.com/dgrijalva/jwt-go"
	"io/ioutil"
	"strings"
	"testing"
)

var rsaTestData = []struct {
	name        string
	tokenString string
	alg         string
	claims      map[string]interface{}
	valid       bool
}{
	{
		"Basic RS256",
		"eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiJ9.eyJmb28iOiJiYXIifQ.FhkiHkoESI_cG3NPigFrxEk9Z60_oXrOT2vGm9Pn6RDgYNovYORQmmA0zs1AoAOf09ly2Nx2YAg6ABqAYga1AcMFkJljwxTT5fYphTuqpWdy4BELeSYJx5Ty2gmr8e7RonuUztrdD5WfPqLKMm1Ozp_T6zALpRmwTIW0QPnaBXaQD90FplAg46Iy1UlDKr-Eupy0i5SLch5Q-p2ZpaL_5fnTIUDlxC3pWhJTyx_71qDI-mAA_5lE_VdroOeflG56sSmDxopPEG3bFlSu1eowyBfxtu0_CuVd-M42RU75Zc4Gsj6uV77MBtbMrf4_7M_NUTSgoIF3fRqxrj0NzihIBg",
		"RS256",
		map[string]interface{}{"foo": "bar"},
		true,
	},
	{
		"Basic RS384",
		"eyJhbGciOiJSUzM4NCIsInR5cCI6IkpXVCJ9.eyJmb28iOiJiYXIifQ.W-jEzRfBigtCWsinvVVuldiuilzVdU5ty0MvpLaSaqK9PlAWWlDQ1VIQ_qSKzwL5IXaZkvZFJXT3yL3n7OUVu7zCNJzdwznbC8Z-b0z2lYvcklJYi2VOFRcGbJtXUqgjk2oGsiqUMUMOLP70TTefkpsgqDxbRh9CDUfpOJgW-dU7cmgaoswe3wjUAUi6B6G2YEaiuXC0XScQYSYVKIzgKXJV8Zw-7AN_DBUI4GkTpsvQ9fVVjZM9csQiEXhYekyrKu1nu_POpQonGd8yqkIyXPECNmmqH5jH4sFiF67XhD7_JpkvLziBpI-uh86evBUadmHhb9Otqw3uV3NTaXLzJw",
		"RS384",
		map[string]interface{}{"foo": "bar"},
		true,
	},
	{
		"Basic RS512",
		"eyJhbGciOiJSUzUxMiIsInR5cCI6IkpXVCJ9.eyJmb28iOiJiYXIifQ.zBlLlmRrUxx4SJPUbV37Q1joRcI9EW13grnKduK3wtYKmDXbgDpF1cZ6B-2Jsm5RB8REmMiLpGms-EjXhgnyh2TSHE-9W2gA_jvshegLWtwRVDX40ODSkTb7OVuaWgiy9y7llvcknFBTIg-FnVPVpXMmeV_pvwQyhaz1SSwSPrDyxEmksz1hq7YONXhXPpGaNbMMeDTNP_1oj8DZaqTIL9TwV8_1wb2Odt_Fy58Ke2RVFijsOLdnyEAjt2n9Mxihu9i3PhNBkkxa2GbnXBfq3kzvZ_xxGGopLdHhJjcGWXO-NiwI9_tiu14NRv4L2xC0ItD9Yz68v2ZIZEp_DuzwRQ",
		"RS512",
		map[string]interface{}{"foo": "bar"},
		true,
	},
	{
		"basic invalid: foo => bar",
		"eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiJ9.eyJmb28iOiJiYXIifQ.EhkiHkoESI_cG3NPigFrxEk9Z60_oXrOT2vGm9Pn6RDgYNovYORQmmA0zs1AoAOf09ly2Nx2YAg6ABqAYga1AcMFkJljwxTT5fYphTuqpWdy4BELeSYJx5Ty2gmr8e7RonuUztrdD5WfPqLKMm1Ozp_T6zALpRmwTIW0QPnaBXaQD90FplAg46Iy1UlDKr-Eupy0i5SLch5Q-p2ZpaL_5fnTIUDlxC3pWhJTyx_71qDI-mAA_5lE_VdroOeflG56sSmDxopPEG3bFlSu1eowyBfxtu0_CuVd-M42RU75Zc4Gsj6uV77MBtbMrf4_7M_NUTSgoIF3fRqxrj0NzihIBg",
		"RS256",
		map[string]interface{}{"foo": "bar"},
		false,
	},
}

func TestRSAVerify(t *testing.T) {
	key, _ := ioutil.ReadFile("test/sample_key.pub")

	for _, data := range rsaTestData {
		parts := strings.Split(data.tokenString, ".")

		method := jwt.GetSigningMethod(data.alg)
		err := method.Verify(strings.Join(parts[0:2], "."), parts[2], key)
		if data.valid && err != nil {
			t.Errorf("[%v] Error while verifying key: %v", data.name, err)
		}
		if !data.valid && err == nil {
			t.Errorf("[%v] Invalid key passed validation", data.name)
		}
	}
}

func TestRSASign(t *testing.T) {
	key, _ := ioutil.ReadFile("test/sample_key")

	for _, data := range rsaTestData {
		if data.valid {
			parts := strings.Split(data.tokenString, ".")
			method := jwt.GetSigningMethod(data.alg)
			sig, err := method.Sign(strings.Join(parts[0:2], "."), key)
			if err != nil {
				t.Errorf("[%v] Error signing token: %v", data.name, err)
			}
			if sig != parts[2] {
				t.Errorf("[%v] Incorrect signature.\nwas:\n%v\nexpecting:\n%v", data.name, sig, parts[2])
			}
		}
	}
}

func TestRSAVerifyWithPreParsedPrivateKey(t *testing.T) {
	key, _ := ioutil.ReadFile("test/sample_key.pub")
	parsedKey, err := jwt.ParseRSAPublicKeyFromPEM(key)
	if err != nil {
		t.Fatal(err)
	}
	testData := rsaTestData[0]
	parts := strings.Split(testData.tokenString, ".")
	err = jwt.SigningMethodRS256.Verify(strings.Join(parts[0:2], "."), parts[2], parsedKey)
	if err != nil {
		t.Errorf("[%v] Error while verifying key: %v", testData.name, err)
	}
}

func TestRSAWithPreParsedPrivateKey(t *testing.T) {
	key, _ := ioutil.ReadFile("test/sample_key")
	parsedKey, err := jwt.ParseRSAPrivateKeyFromPEM(key)
	if err != nil {
		t.Fatal(err)
	}
	testData := rsaTestData[0]
	parts := strings.Split(testData.tokenString, ".")
	sig, err := jwt.SigningMethodRS256.Sign(strings.Join(parts[0:2], "."), parsedKey)
	if err != nil {
		t.Errorf("[%v] Error signing token: %v", testData.name, err)
	}
	if sig != parts[2] {
		t.Errorf("[%v] Incorrect signature.\nwas:\n%v\nexpecting:\n%v", testData.name, sig, parts[2])
	}
}

func TestRSAKeyParsing(t *testing.T) {
	key, _ := ioutil.ReadFile("test/sample_key")
	pubKey, _ := ioutil.ReadFile("test/sample_key.pub")
	badKey := []byte("All your base are belong to key")

	// Test parsePrivateKey
	if _, e := jwt.ParseRSAPrivateKeyFromPEM(key); e != nil {
		t.Errorf("Failed to parse valid private key: %v", e)
	}

	if k, e := jwt.ParseRSAPrivateKeyFromPEM(pubKey); e == nil {
		t.Errorf("Parsed public key as valid private key: %v", k)
	}

	if k, e := jwt.ParseRSAPrivateKeyFromPEM(badKey); e == nil {
		t.Errorf("Parsed invalid key as valid private key: %v", k)
	}

	// Test parsePublicKey
	if _, e := jwt.ParseRSAPublicKeyFromPEM(pubKey); e != nil {
		t.Errorf("Failed to parse valid public key: %v", e)
	}

	if k, e := jwt.ParseRSAPublicKeyFromPEM(key); e == nil {
		t.Errorf("Parsed private key as valid public key: %v", k)
	}

	if k, e := jwt.ParseRSAPublicKeyFromPEM(badKey); e == nil {
		t.Errorf("Parsed invalid key as valid private key: %v", k)
	}

}

func BenchmarkRS256Signing(b *testing.B) {
	key, _ := ioutil.ReadFile("test/sample_key")
	parsedKey, err := jwt.ParseRSAPrivateKeyFromPEM(key)
	if err != nil {
		b.Fatal(err)
	}

	benchmarkSigning(b, jwt.SigningMethodRS256, parsedKey)
}

func BenchmarkRS384Signing(b *testing.B) {
	key, _ := ioutil.ReadFile("test/sample_key")
	parsedKey, err := jwt.ParseRSAPrivateKeyFromPEM(key)
	if err != nil {
		b.Fatal(err)
	}

	benchmarkSigning(b, jwt.SigningMethodRS384, parsedKey)
}

func BenchmarkRS512Signing(b *testing.B) {
	key, _ := ioutil.ReadFile("test/sample_key")
	parsedKey, err := jwt.ParseRSAPrivateKeyFromPEM(key)
	if err != nil {
		b.Fatal(err)
	}

	benchmarkSigning(b, jwt.SigningMethodRS512, parsedKey)
}