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;
}
}
private URI toURI(boolean encode) {
if (originalUri == null) {
logger.debug("setUrl hasn't been invoked. Using http://localhost");
originalUri = DEFAULT_REQUEST_URL;
}
AsyncHttpProviderUtils.validateSupportedScheme(originalUri);
StringBuilder builder = new StringBuilder();
builder.append(originalUri.getScheme()).append("://").append(originalUri.getAuthority());
if (isNonEmpty(originalUri.getRawPath())) {
builder.append(originalUri.getRawPath());
} else {
builder.append("/");
}
if (isNonEmpty(queryParams)) {
builder.append("?");
for (Iterator<Entry<String, List<String>>> i = queryParams.iterator(); i.hasNext(); ) {
Entry<String, List<String>> param = i.next();
String name = param.getKey();
for (Iterator<String> j = param.getValue().iterator(); j.hasNext(); ) {
String value = j.next();
if (encode) {
UTF8UrlEncoder.appendEncoded(builder, name);
} else {
builder.append(name);
}
if (value != null) {
builder.append('=');
if (encode) {
UTF8UrlEncoder.appendEncoded(builder, value);
} else {
builder.append(value);
}
}
if (j.hasNext()) {
builder.append('&');
}
}
if (i.hasNext()) {
builder.append('&');
}
}
}
return URI.create(builder.toString());
}
private Charset getCharset(final String charset) {
String charsetLocal = charset;
if (charsetLocal == null) {
String contentType = getContentType();
if (contentType != null) {
charsetLocal = AsyncHttpProviderUtils.parseCharset(contentType);
}
}
if (charsetLocal == null) {
charsetLocal = Charsets.DEFAULT_CHARACTER_ENCODING;
}
return Charsets.lookupCharset(charsetLocal);
}
private void computeRequestCharset() {
if (request.charset == null) {
try {
final String contentType = request.headers.getFirstValue("Content-Type");
if (contentType != null) {
final String charset = AsyncHttpProviderUtils.parseCharset(contentType);
if (charset != null) {
// ensure that if charset is provided with the Content-Type header,
// we propagate that down to the charset of the Request object
request.charset = charset;
}
}
} catch (Throwable e) {
// NoOp -- we can't fix the Content-Type or charset from here
}
}
}
public String getResponseBodyExcerpt(int maxLength, String charset) throws IOException {
// should be fine; except that it may split multi-byte chars (last char may become '?')
charset = calculateCharset(charset);
byte[] b = AsyncHttpProviderUtils.contentToBytes(bodyParts, maxLength);
return new String(b, charset);
}