- Make sure you have reference for each of the imported libraries mentioned in the code in the file pom.xml
- use this example of generating JWT and adjust it to suit your case.
import java.io.UnsupportedEncodingException;
import java.util.Date;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;
import org.springframework.web.servlet.view.RedirectView;
import javax.servlet.http.HttpServletRequest;
import io.jsonwebtoken.JwtBuilder;
import io.jsonwebtoken.Jwts;
import io.jsonwebtoken.SignatureAlgorithm;
public class SSOHandler {
// must define throw exception on function when using the getBytes("UTF-8") on the shared secret key
public RedirectView processRequest() throws UnsupportedEncodingException {
HttpServletRequest request = (
(ServletRequestAttributes) RequestContextHolder.getRequestAttributes()
).getRequest();
String sharedSecret = "shared_secret_key";
//The JWT signature algorithm we will be using to sign the token
SignatureAlgorithm signatureAlgorithm = SignatureAlgorithm.HS256;
// In java secret should be in utf-8 format or the generated jwt will be invalid
byte[] b = sharedSecret.getBytes("UTF-8");
long nowMillis = System.currentTimeMillis();
Date now = new Date(nowMillis);
String subject = "[email protected]"; // should be supplied by the requester
JwtBuilder builder = Jwts.builder()
.setSubject(subject)
.setIssuedAt(now)
//.setAudience("sisense")
.setHeaderParam("typ", "JWT")
.signWith(signatureAlgorithm, b)
;
String jwt = builder.compact();
String return_to = "/app/main"; // any dashboard or widget to redirect the user after authentication. ((Optional))
String redirectUrl = "http://sisense.exampleWebsite.com:8111/jwt?jwt=" + jwt;// + "&return_to=" + return_to;
return new RedirectView(redirectUrl);
}
}
