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// Copyright (c) 2010 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef NET_HTTP_HTTP_AUTH_HANDLER_NEGOTIATE_H_
#define NET_HTTP_HTTP_AUTH_HANDLER_NEGOTIATE_H_
#include "build/build_config.h"
#include <string>
#include "net/base/address_list.h"
#include "net/http/http_auth_handler.h"
#include "net/http/http_auth_handler_factory.h"
#if defined(OS_WIN)
#include "net/http/http_auth_sspi_win.h"
#endif
namespace net {
class SingleRequestHostResolver;
class URLSecurityManager;
// Handler for WWW-Authenticate: Negotiate protocol.
//
// See http://tools.ietf.org/html/rfc4178 and http://tools.ietf.org/html/rfc4559
// for more information about the protocol.
class HttpAuthHandlerNegotiate : public HttpAuthHandler {
public:
class Factory : public HttpAuthHandlerFactory {
public:
Factory();
virtual ~Factory();
// |disable_cname_lookup()| and |set_disable_cname_lookup()| get/set whether
// the auth handlers generated by this factory should skip looking up the
// canonical DNS name of the the host that they are authenticating to when
// generating the SPN. The default value is false.
bool disable_cname_lookup() const { return disable_cname_lookup_; }
void set_disable_cname_lookup(bool disable_cname_lookup) {
disable_cname_lookup_ = disable_cname_lookup;
}
// |use_port()| and |set_use_port()| get/set whether the auth handlers
// generated by this factory should include the port number of the server
// they are authenticating to when constructing a Kerberos SPN. The default
// value is false.
bool use_port() const { return use_port_; }
void set_use_port(bool use_port) { use_port_ = use_port; }
virtual int CreateAuthHandler(HttpAuth::ChallengeTokenizer* challenge,
HttpAuth::Target target,
const GURL& origin,
CreateReason reason,
int digest_nonce_count,
scoped_refptr<HttpAuthHandler>* handler);
#if defined(OS_WIN)
// Set the SSPILibrary to use. Typically the only callers which need to
// use this are unit tests which pass in a mocked-out version of the
// SSPI library.
// The caller is responsible for managing the lifetime of |*sspi_library|,
// and the lifetime must exceed that of this Factory object and all
// HttpAuthHandler's that this Factory object creates.
void set_sspi_library(SSPILibrary* sspi_library) {
sspi_library_ = sspi_library;
}
#endif // defined(OS_WIN)
private:
bool disable_cname_lookup_;
bool use_port_;
#if defined(OS_WIN)
ULONG max_token_length_;
bool first_creation_;
bool is_unsupported_;
SSPILibrary* sspi_library_;
#endif // defined(OS_WIN)
};
#if defined(OS_WIN)
HttpAuthHandlerNegotiate(SSPILibrary* sspi_library, ULONG max_token_length,
URLSecurityManager* url_security_manager,
bool disable_cname_lookup, bool use_port);
#else
explicit HttpAuthHandlerNegotiate(URLSecurityManager* url_security_manager);
#endif
virtual bool NeedsIdentity();
virtual bool IsFinalRound();
virtual bool AllowsDefaultCredentials();
virtual bool NeedsCanonicalName();
virtual int GenerateAuthToken(const std::wstring& username,
const std::wstring& password,
const HttpRequestInfo* request,
const ProxyInfo* proxy,
std::string* auth_token);
virtual int GenerateDefaultAuthToken(const HttpRequestInfo* request,
const ProxyInfo* proxy,
std::string* auth_token);
virtual int ResolveCanonicalName(HostResolver* host_resolver,
CompletionCallback* callback,
const BoundNetLog& net_log);
#if defined(OS_WIN)
// These are public for unit tests
std::wstring CreateSPN(const AddressList& address_list, const GURL& orign);
const std::wstring& spn() const { return spn_; }
#endif // defined(OS_WIN)
protected:
virtual bool Init(HttpAuth::ChallengeTokenizer* challenge);
private:
~HttpAuthHandlerNegotiate();
#if defined(OS_WIN)
void OnResolveCanonicalName(int result);
HttpAuthSSPI auth_sspi_;
AddressList address_list_;
scoped_ptr<SingleRequestHostResolver> single_resolve_;
CompletionCallback* user_callback_;
CompletionCallbackImpl<HttpAuthHandlerNegotiate> resolve_cname_callback_;
bool disable_cname_lookup_;
bool use_port_;
std::wstring spn_;
#endif
URLSecurityManager* url_security_manager_;
};
} // namespace net
#endif // NET_HTTP_HTTP_AUTH_HANDLER_NEGOTIATE_H_
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