naiveproxy/net/http/http_auth_handler_ntlm_win.cc
2018-01-28 13:32:06 -05:00

81 lines
2.5 KiB
C++

// Copyright (c) 2011 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.
// See "SSPI Sample Application" at
// http://msdn.microsoft.com/en-us/library/aa918273.aspx
// and "NTLM Security Support Provider" at
// http://msdn.microsoft.com/en-us/library/aa923611.aspx.
#include "net/http/http_auth_handler_ntlm.h"
#include "base/strings/string_util.h"
#include "net/base/net_errors.h"
#include "net/http/http_auth_preferences.h"
#include "net/http/http_auth_sspi_win.h"
namespace net {
HttpAuthHandlerNTLM::HttpAuthHandlerNTLM(
SSPILibrary* sspi_library,
ULONG max_token_length,
const HttpAuthPreferences* http_auth_preferences)
: auth_sspi_(sspi_library, "NTLM", NTLMSP_NAME, max_token_length),
http_auth_preferences_(http_auth_preferences) {}
HttpAuthHandlerNTLM::~HttpAuthHandlerNTLM() {
}
// Require identity on first pass instead of second.
bool HttpAuthHandlerNTLM::NeedsIdentity() {
return auth_sspi_.NeedsIdentity();
}
bool HttpAuthHandlerNTLM::AllowsDefaultCredentials() {
if (target_ == HttpAuth::AUTH_PROXY)
return true;
if (!http_auth_preferences_)
return false;
return http_auth_preferences_->CanUseDefaultCredentials(origin_);
}
HttpAuthHandlerNTLM::Factory::Factory()
: max_token_length_(0),
is_unsupported_(false) {
}
HttpAuthHandlerNTLM::Factory::~Factory() {
}
int HttpAuthHandlerNTLM::Factory::CreateAuthHandler(
HttpAuthChallengeTokenizer* challenge,
HttpAuth::Target target,
const SSLInfo& ssl_info,
const GURL& origin,
CreateReason reason,
int digest_nonce_count,
const NetLogWithSource& net_log,
std::unique_ptr<HttpAuthHandler>* handler) {
if (is_unsupported_ || reason == CREATE_PREEMPTIVE)
return ERR_UNSUPPORTED_AUTH_SCHEME;
if (max_token_length_ == 0) {
int rv = DetermineMaxTokenLength(sspi_library_.get(), NTLMSP_NAME,
&max_token_length_);
if (rv == ERR_UNSUPPORTED_AUTH_SCHEME)
is_unsupported_ = true;
if (rv != OK)
return rv;
}
// TODO(cbentzel): Move towards model of parsing in the factory
// method and only constructing when valid.
std::unique_ptr<HttpAuthHandler> tmp_handler(new HttpAuthHandlerNTLM(
sspi_library_.get(), max_token_length_, http_auth_preferences()));
if (!tmp_handler->InitFromChallenge(challenge, target, ssl_info, origin,
net_log))
return ERR_INVALID_RESPONSE;
handler->swap(tmp_handler);
return OK;
}
} // namespace net