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package it.inaf.oats.vospace;
import it.inaf.ia2.aa.TokenFilter;
import it.inaf.ia2.aa.data.User;
import java.io.IOException;
import java.security.Principal;
import java.util.ArrayList;
import java.util.Arrays;
import javax.servlet.FilterChain;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletRequestWrapper;
import javax.servlet.http.HttpServletResponse;
import org.springframework.boot.test.context.TestConfiguration;
import org.springframework.boot.web.servlet.FilterRegistrationBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Primary;
@TestConfiguration
public class TokenFilterConfig {
@Bean
@Primary
public FilterRegistrationBean tokenFilterRegistration() {
FilterRegistrationBean registration = new FilterRegistrationBean();
registration.setFilter(new FakeTokenFilter());
registration.addUrlPatterns("/*");
return registration;
}
private static class FakeTokenFilter extends TokenFilter {
@Override
public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain) throws IOException, ServletException {
HttpServletRequest request = (HttpServletRequest) req;
HttpServletResponse response = (HttpServletResponse) res;
String authHeader = request.getHeader("Authorization");
if (authHeader != null) {
if (authHeader.startsWith("Bearer ")) {
String token = authHeader.substring("Bearer ".length());
HttpServletRequestWrapper requestWithPrincipal = new RequestWithPrincipal(request, getFakeUser(token));
chain.doFilter(requestWithPrincipal, response);
return;
}
}
chain.doFilter(getAnonymousServletRequest(request), response);
}
private User getFakeUser(String token) {
User user = new User();
switch (token) {
case "user1_token":
user.setUserId("user1").setUserLabel("User1");
break;
case "user2_token":
user.setUserId("user2").setUserLabel("User2").setGroups(Arrays.asList("group1", "group2"));
break;
default:
throw new IllegalArgumentException("Fake user not configured for token " + token);
}
user.setAccessToken(token);
return user;
}
private static HttpServletRequestWrapper getAnonymousServletRequest(HttpServletRequest request) {
User anonymousUser = new User()
.setUserId("anonymous")
.setUserLabel("Anonymous")
.setGroups(new ArrayList<>());
return new RequestWithPrincipal(request, anonymousUser);
}
private static class RequestWithPrincipal extends HttpServletRequestWrapper {
private final User user;
public RequestWithPrincipal(HttpServletRequest request, User user) {
super(request);
this.user = user;
}
@Override
public Principal getUserPrincipal() {
return user;
}
}
}
}