1. Overview
1.1 Plugin Name#
- jwtplugin
1.2 Appropriate Scenario#
- Requires unified authentication by jwt at the gateway.
1.3 Plugin functionality#
- The jwtplug-in is for thetokenattribute orauthorizationof the http request header to carry the attribute value for authentication judgment and judgeOAuth2.0.
1.4 Plugin code#
- Core module is shenyu-plugin-jwt.
- Core class is org.apache.shenyu.plugin.jwt.JwtPlugin.
1.5 Added Since Which shenyu version#
- Since ShenYu 2.4.0
2.How to use plugin
2.1 Plugin-use procedure chart#

2.2 Import pom#
<dependency>    <groupId>org.apache.shenyu</groupId>    <artifactId>shenyu-spring-boot-starter-plugin-jwt</artifactId>    <version>${project.version}</version></dependency>2.3 Enable plugin#
- In shenyu-admin --> BasicConfig --> Plugin --> jwt set Status enable.
2.4 Config plugin#
2.4.1 Config plugin in ShenYu-Admin#
- Config secretKey of jwt-plugin in shenyu-admin, the secretKey must more than 256 bit.
- secretKey: The private key when using- jwtto generate- token, it is required.

2.4.2 Selector config#
- Selector and rule Config. Please refer: Selector and rule config.
2.4.3 Rule Config#

- convert means jwt converter
- jwtVal: jwt of body name
- headerVal: jwt header name
custom covert algorithm:custom-jwt-covert-algorithm
2.5 Examples#
2.5.1 Use jwt token for authentication judgment#
2.5.1.1 Config jwt-plugin#

2.5.1.2 Config selector match service#

2.5.1.3 Config rule match service#

2.5.1.4 Generate json web token(jwt) with website#
- You can open https://jwt.io/in your browser and fill in the corresponding parameters.
- Config jwt header HEADERinhttps://jwt.io/
- Config jwt body PAYLOADinhttps://jwt.io/
- Config jwt signature VERIFY SIGNATUREinhttps://jwt.io/

2.5.1.5 Generate json web token(jwt) with java code#
public final class JwtPluginTest {      public void generateJwtCode() {    final String secreteKey = "shenyu-test-shenyu-test-shenyu-test";    Map<String, String> map = new HashMap<>();    map.put("id", "1");    map.put("name", "xiaoming");    Date date = new Date();    date.setTime(1655524800000L);    String token = Jwts.builder()            .setIssuedAt(date)            .setExpiration(new Date())            .setClaims(map)            .signWith(Keys.hmacShaKeyFor(secreteKey.getBytes(StandardCharsets.UTF_8)), SignatureAlgorithm.HS256)            .compact();    System.out.println(token);  }}2.5.1.6 Request Service#
2.5.1.6.1 Request service with token#
- request your service with jwt token token: eyJhbGciOiJIUzI1NiJ9.eyJuYW1lIjoieGlhb21pbmciLCJpZCI6IjEifQ.LdRzGlB49alhq204chwF7pf3C0z8ZpuowPvoQdJmSRwin your request header.
2.5.1.6.2 Request service Authorization#
- request your service with Authorization Authorization: Bearer eyJhbGciOiJIUzI1NiJ9.eyJuYW1lIjoieGlhb21pbmciLCJpZCI6IjEifQ.LdRzGlB49alhq204chwF7pf3C0z8ZpuowPvoQdJmSRwin your request header.
2.5.1.7 Validate request result#
- error token request result
{  "code": 401,  "message": "Illegal authorization"}- normal token request result
{  "id": "123",  "name": "hello world save order"}3. How to disable plugin
- In shenyu-admin--> BasicConfig --> Plugin -->jwtset Status disable.
