private Realm kerberosChallenge(
List<String> proxyAuth,
Request request,
ProxyServer proxyServer,
FluentCaseInsensitiveStringsMap headers,
Realm realm,
NettyResponseFuture<?> future)
throws NTLMEngineException {
URI uri = request.getURI();
String host =
request.getVirtualHost() == null
? AsyncHttpProviderUtils.getHost(uri)
: request.getVirtualHost();
String server = proxyServer == null ? host : proxyServer.getHost();
try {
String challengeHeader = SpnegoEngine.instance().generateToken(server);
headers.remove(HttpHeaders.Names.AUTHORIZATION);
headers.add(HttpHeaders.Names.AUTHORIZATION, "Negotiate " + challengeHeader);
return newRealmBuilder(realm) //
.setUri(uri.getRawPath()) //
.setMethodName(request.getMethod()) //
.setScheme(Realm.AuthScheme.KERBEROS) //
.build();
} catch (Throwable throwable) {
if (isNTLM(proxyAuth)) {
return ntlmChallenge(proxyAuth, request, proxyServer, headers, realm, future);
}
channels.abort(future, throwable);
return null;
}
}
public static String perConnectionAuthorizationHeader(
Request request, ProxyServer proxyServer, Realm realm) {
String authorizationHeader = null;
if (realm != null && realm.getUsePreemptiveAuth()) {
switch (realm.getScheme()) {
case NTLM:
String msg = NtlmEngine.INSTANCE.generateType1Msg();
authorizationHeader = "NTLM " + msg;
break;
case KERBEROS:
case SPNEGO:
String host;
if (proxyServer != null) host = proxyServer.getHost();
else if (request.getVirtualHost() != null) host = request.getVirtualHost();
else host = request.getUri().getHost();
authorizationHeader = "Negotiate " + SpnegoEngine.instance().generateToken(host);
break;
default:
break;
}
}
return authorizationHeader;
}
private void kerberosProxyChallenge(
Channel channel, //
List<String> proxyAuth, //
Request request, //
ProxyServer proxyServer, //
Realm proxyRealm, //
HttpHeaders headers, //
NettyResponseFuture<?> future)
throws SpnegoEngineException {
String challengeHeader = SpnegoEngine.instance().generateToken(proxyServer.getHost());
headers.set(HttpHeaders.Names.PROXY_AUTHORIZATION, "Negotiate " + challengeHeader);
}
private void kerberosChallenge(
Channel channel, //
List<String> authHeaders, //
Request request, //
HttpHeaders headers, //
Realm realm, //
NettyResponseFuture<?> future)
throws SpnegoEngineException {
Uri uri = request.getUri();
String host = request.getVirtualHost() == null ? uri.getHost() : request.getVirtualHost();
String challengeHeader = SpnegoEngine.instance().generateToken(host);
headers.set(HttpHeaders.Names.AUTHORIZATION, "Negotiate " + challengeHeader);
}