sirius.web.dispatch.DefaultDispatcher Maven / Gradle / Ivy
/*
* Made with all the love in the world
* by scireum in Remshalden, Germany
*
* Copyright by scireum GmbH
* http://www.scireum.de - [email protected]
*/
package sirius.web.dispatch;
import io.netty.handler.codec.http.HttpHeaders;
import io.netty.handler.codec.http.HttpResponseStatus;
import sirius.kernel.commons.Strings;
import sirius.kernel.di.std.ConfigValue;
import sirius.kernel.di.std.Register;
import sirius.web.http.MimeHelper;
import sirius.web.http.WebContext;
import sirius.web.http.WebDispatcher;
import sirius.web.security.UserContext;
/**
* Sends a 404 (not found) for all unhandled URIs.
*
* Also handles some special static URIs if enabled, like /crossdomain.xml or /robots.txt.
*
* If no other dispatcher jumps in, this will take care of handing the request by sending a HTTP/404.
*/
@Register
public class DefaultDispatcher implements WebDispatcher {
@Override
public int getPriority() {
return 999;
}
@Override
public boolean preDispatch(WebContext ctx) throws Exception {
return false;
}
@ConfigValue("http.crossdomain.xml.enabled")
private boolean serveCrossdomain;
@ConfigValue("http.robots.txt.enabled")
private boolean serveRobots;
@ConfigValue("http.robots.txt.disallow")
private boolean robotsDisallowAll;
@Override
public boolean dispatch(WebContext ctx) throws Exception {
if ("/crossdomain.xml".equals(ctx.getRequestedURI()) && serveCrossdomain) {
ctx.respondWith()
.infinitelyCached()
.setHeader(HttpHeaders.Names.CONTENT_TYPE, MimeHelper.TEXT_XML)
.direct(HttpResponseStatus.OK,
"\n"
+ "\n"
+ "\n"
+ " \n"
+ " ");
} else if ("/robots.txt".equals(ctx.getRequestedURI()) && serveRobots) {
if (robotsDisallowAll) {
ctx.respondWith()
.infinitelyCached()
.setHeader(HttpHeaders.Names.CONTENT_TYPE, MimeHelper.TEXT_PLAIN)
.direct(HttpResponseStatus.OK, "User-agent: *\n" + "Disallow: /\n");
} else {
ctx.respondWith()
.infinitelyCached()
.setHeader(HttpHeaders.Names.CONTENT_TYPE, MimeHelper.TEXT_PLAIN)
.direct(HttpResponseStatus.OK, "User-agent: *\n" + "Disallow:\n");
}
} else if ("/reset".equals(ctx.getRequestedURI())) {
ctx.getServerSession().invalidate();
ctx.clearSession();
ctx.respondWith().redirectTemporarily(ctx.get("path").asString(WebContext.getContextPrefix() + "/"));
} else {
// Bind user to request if present for translations etc. to work correctly...
UserContext.getCurrentUser();
ctx.respondWith()
.error(HttpResponseStatus.NOT_FOUND,
Strings.apply("No dispatcher found for: %s", ctx.getRequestedURI()));
}
return true;
}
}