package org.keycloak.example;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.keycloak.KeycloakSecurityContext;
import org.keycloak.adapters.AdapterUtils;
import org.keycloak.adapters.HttpClientBuilder;
import org.keycloak.representations.IDToken;
import org.keycloak.util.JsonSerialization;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;
/**
* @author <a href="mailto:bill@burkecentral.com">Bill Burke</a>
* @version $Revision: 1 $
*/
public class CustomerDatabaseClient {
static class TypedList extends ArrayList<String> {
}
public static class Failure extends Exception {
private int status;
public Failure(int status) {
this.status = status;
}
public int getStatus() {
return status;
}
}
public static IDToken getIDToken(HttpServletRequest req) {
KeycloakSecurityContext session = (KeycloakSecurityContext) req.getAttribute(KeycloakSecurityContext.class.getName());
return session.getIdToken();
}
public static List<String> getCustomers(HttpServletRequest req) throws Failure {
KeycloakSecurityContext session = (KeycloakSecurityContext) req.getAttribute(KeycloakSecurityContext.class.getName());
HttpClient client = new HttpClientBuilder()
.disableTrustManager().build();
try {
HttpGet get = new HttpGet(AdapterUtils.getOrigin(req.getRequestURL().toString(), session) + "/database/customers");
get.addHeader("Authorization", "Bearer " + session.getTokenString());
try {
HttpResponse response = client.execute(get);
if (response.getStatusLine().getStatusCode() != 200) {
throw new Failure(response.getStatusLine().getStatusCode());
}
HttpEntity entity = response.getEntity();
InputStream is = entity.getContent();
try {
return JsonSerialization.readValue(is, TypedList.class);
} finally {
is.close();
}
} catch (IOException e) {
throw new RuntimeException(e);
}
} finally {
client.getConnectionManager().shutdown();
}
}
public static String increaseAndGetCounter(HttpServletRequest req) {
HttpSession session = req.getSession();
Integer counter = (Integer)session.getAttribute("counter");
counter = (counter == null) ? 1 : counter + 1;
session.setAttribute("counter", counter);
return String.valueOf(counter);
}
}