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;
}
public static String perRequestAuthorizationHeader(Request request, Realm realm) {
String authorizationHeader = null;
if (realm != null && realm.getUsePreemptiveAuth()) {
switch (realm.getScheme()) {
case BASIC:
authorizationHeader = computeBasicAuthentication(realm);
break;
case DIGEST:
if (isNonEmpty(realm.getNonce()))
authorizationHeader = computeDigestAuthentication(realm);
break;
case NTLM:
case KERBEROS:
case SPNEGO:
// NTLM, KERBEROS and SPNEGO are only set on the first request,
// see firstRequestOnlyAuthorizationHeader
case NONE:
break;
default:
throw new IllegalStateException("Invalid Authentication " + realm);
}
}
return authorizationHeader;
}
public static String perRequestProxyAuthorizationHeader(
Request request, ProxyServer proxyServer, Realm realm, boolean connect) {
String proxyAuthorization = null;
if (!connect && proxyServer != null && proxyServer.getScheme() == AuthScheme.BASIC) {
proxyAuthorization = computeBasicAuthentication(proxyServer);
} else if (realm != null && realm.getUsePreemptiveAuth() && realm.isTargetProxy()) {
switch (realm.getScheme()) {
case BASIC:
proxyAuthorization = computeBasicAuthentication(realm);
break;
case DIGEST:
if (isNonEmpty(realm.getNonce())) proxyAuthorization = computeDigestAuthentication(realm);
break;
case NTLM:
case KERBEROS:
case SPNEGO:
// NTLM, KERBEROS and SPNEGO are only set on the first request,
// see firstRequestOnlyAuthorizationHeader
case NONE:
break;
default:
throw new IllegalStateException("Invalid Authentication " + realm);
}
}
return proxyAuthorization;
}