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hmac_test.go
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hmac_test.go
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package jwt
import (
"strings"
"testing"
)
var (
hs256Test = "eyJ0eXAiOiJKV1QiLA0KICJhbGciOiJIUzI1NiJ9." +
"eyJpc3MiOiJqb2UiLA0KICJleHAiOjEzMDA4MTkzODAsDQogImh0dHA6Ly9leGFtcGxlLmNvbS9pc19yb290Ijp0cnVlfQ." +
"dBjftJeZ4CVP-mB92K27uhbUJU1p1r_wW1gFWFOEjXk"
hs384Test = "eyJhbGciOiJIUzM4NCIsInR5cCI6IkpXVCJ9." +
"eyJleHAiOjEuMzAwODE5MzhlKzA5LCJodHRwOi8vZXhhbXBsZS5jb20vaXNfcm9vdCI6dHJ1ZSwiaXNzIjoiam9lIn0." +
"KWZEuOD5lbBxZ34g7F-SlVLAQ_r5KApWNWlZIIMyQVz5Zs58a7XdNzj5_0EcNoOy"
hs512Test = "eyJhbGciOiJIUzUxMiIsInR5cCI6IkpXVCJ9." +
"eyJleHAiOjEuMzAwODE5MzhlKzA5LCJodHRwOi8vZXhhbXBsZS5jb20vaXNfcm9vdCI6dHJ1ZSwiaXNzIjoiam9lIn0." +
"CN7YijRX6Aw1n2jyI2Id1w90ja-DEMYiWixhYCyHnrZ1VfJRaFQz1bEbjjA5Fn4CLYaUG432dEYmSbS4Saokmw"
hmacInvalidTest = "eyJ0eXAiOiJKV1QiLA0KICJhbGciOiJIUzI1NiJ9." +
"eyJpc3MiOiJqb2UiLA0KICJleHAiOjEzMDA4MTkzODAsDQogImh0dHA6Ly9leGFtcGxlLmNvbS9pc19yb290Ijp0cnVlfQ." +
"dBjftJeZ4CVP-mB92K27uhbUJU1p1r_wW1gFWFOEjXo"
hmacStringKeyTest = "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9." +
"eyJuYW1lIjoiSm9obiBEb2UiLCJhZG1pbiI6dHJ1ZX0." +
"OLvs36KmqB9cmsUrMpUutfhV52_iSz4bQMYJjkI_TLQ"
)
var hmacTestKey = []byte{
0x03, 0x23, 0x35, 0x4b, 0x2b, 0x0f, 0xa5, 0xbc,
0x83, 0x7e, 0x06, 0x65, 0x77, 0x7b, 0xa6, 0x8f,
0x5a, 0xb3, 0x28, 0xe6, 0xf0, 0x54, 0xc9, 0x28,
0xa9, 0x0f, 0x84, 0xb2, 0xd2, 0x50, 0x2e, 0xbf,
0xd3, 0xfb, 0x5a, 0x92, 0xd2, 0x06, 0x47, 0xef,
0x96, 0x8a, 0xb4, 0xc3, 0x77, 0x62, 0x3d, 0x22,
0x3d, 0x2e, 0x21, 0x72, 0x05, 0x2e, 0x4f, 0x08,
0xc0, 0xcd, 0x9a, 0xf5, 0x67, 0xd0, 0x80, 0xa3,
}
func testHMACSign(t *testing.T, token string, alg *SigningAlgorithmHMAC) {
segments := strings.Split(token, ".")
sig, err := alg.Sign(
strings.Join(segments[0:2], "."),
hmacTestKey,
)
if err != nil {
t.Errorf("[%v] Error while signing token: %v", alg.Name(), err)
}
if sig != segments[2] {
t.Errorf("[%v] Incorrect signature.\nwas:\n%v\nexpecting:\n%v", alg.Name(), sig, segments[2])
}
}
func testHMACVerify(t *testing.T, token string, alg *SigningAlgorithmHMAC) {
segments := strings.Split(token, ".")
err := alg.Verify(
strings.Join(segments[0:2], "."),
segments[2],
hmacTestKey,
)
if err != nil {
t.Errorf("[%v] Error while verifying signature: %v", alg.Name(), err)
}
}
func TestHS256Sign(t *testing.T) {
testHMACSign(t, hs256Test, HS256)
}
func TestHS256Verify(t *testing.T) {
testHMACVerify(t, hs256Test, HS256)
}
func TestHS384Sign(t *testing.T) {
testHMACSign(t, hs384Test, HS384)
}
func TestHS384Verify(t *testing.T) {
testHMACVerify(t, hs384Test, HS384)
}
func TestHS512Sign(t *testing.T) {
testHMACSign(t, hs512Test, HS512)
}
func TestHS512Verify(t *testing.T) {
testHMACVerify(t, hs512Test, HS512)
}
func TestInvalidSignature(t *testing.T) {
segments := strings.Split(hmacInvalidTest, ".")
err := HS256.Verify(
strings.Join(segments[0:2], "."),
segments[2],
hmacTestKey,
)
if err == nil {
t.Errorf("[HS256] Invalid signature passed verification")
}
}
func TestStringKey(t *testing.T) {
segments := strings.Split(hmacStringKeyTest, ".")
sig, err := HS256.Sign(
strings.Join(segments[0:2], "."),
"secret",
)
if err != nil {
t.Errorf("[%v] Error while signing token: %v", "HS256", err)
}
if sig != segments[2] {
t.Errorf("[%v] Incorrect signature.\nwas:\n%v\nexpecting:\n%v", "HS256", sig, segments[2])
}
}