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