2023-04-16

json-web-token/src/test/java/kr/pe/elex/examples/SampleTest.java

@@ -7,9 +7,17 @@
 
 package kr.pe.elex.examples;
 
+import io.jsonwebtoken.Header;
+import io.jsonwebtoken.Jwts;
+import io.jsonwebtoken.security.Keys;
 import org.junit.jupiter.api.Test;
 
+import java.security.Key;
+import java.time.Instant;
+import java.time.temporal.ChronoUnit;
 import java.util.Base64;
+import java.util.Date;
+import java.util.Random;
 
 import static org.junit.jupiter.api.Assertions.*;
 
@@ -17,6 +25,22 @@ class SampleTest {
 
 	@Test
 	void test(){
-		System.out.println(new String());
+		byte[] key = new byte[32];
+		new Random().nextBytes(key);
+		final Key signingKey = Keys.hmacShaKeyFor(key);
+		String jwt = Jwts.builder()
+				.setHeaderParam(Header.TYPE, Header.JWT_TYPE)
+				.setIssuer("Elex")
+				.setExpiration(Date.from(Instant.now().plus(3, ChronoUnit.HOURS)))
+				.claim("userId", 3)
+				.signWith(signingKey)
+				.compact();
+		System.out.println(jwt);
+		String issuer = Jwts.parserBuilder()
+				.setSigningKey(signingKey)
+				//.requireIssuer("Elex") // 토큰의 Issuer 일치 여부 확인
+				.build()
+				.parseClaimsJws(jwt).getBody().getIssuer();
+		System.out.println(issuer);
 	}
 }