blob: 1d3ef5c7437ce9a45af773b2722b4fb68d5fc27b [file] [log] [blame]
// Copyright 2019 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.
#include <stdint.h>
#include <string>
#include "base/strings/string16.h"
#include "net/base/auth.h"
#include "net/base/net_export.h"
#include "net/http/http_auth_mechanism.h"
#include "net/ntlm/ntlm_client.h"
namespace net {
class NET_EXPORT_PRIVATE HttpAuthNtlmMechanism : public HttpAuthMechanism {
explicit HttpAuthNtlmMechanism(const HttpAuthPreferences* preferences);
~HttpAuthNtlmMechanism() override;
HttpAuthNtlmMechanism(const HttpAuthNtlmMechanism&) = delete;
HttpAuthNtlmMechanism& operator=(const HttpAuthNtlmMechanism&) = delete;
// A function that returns the time as the number of 100 nanosecond ticks
// since Jan 1, 1601 (UTC).
using GetMSTimeProc = uint64_t (*)();
// A function that generates n random bytes in the output buffer.
using GenerateRandomProc = void (*)(uint8_t* output, size_t n);
// A function that returns the local host name. Returns an empty string if
// the local host name is not available.
using HostNameProc = std::string (*)();
// For unit tests to override and restore the GenerateRandom and
// GetHostName functions.
class ScopedProcSetter {
ScopedProcSetter(GetMSTimeProc ms_time_proc,
GenerateRandomProc random_proc,
HostNameProc host_name_proc);
ScopedProcSetter(const ScopedProcSetter&) = delete;
ScopedProcSetter& operator=(const ScopedProcSetter&) = delete;
GetMSTimeProc old_ms_time_proc_;
GenerateRandomProc old_random_proc_;
HostNameProc old_host_name_proc_;
// HttpAuthMechanism
bool Init(const NetLogWithSource& net_log) override;
bool NeedsIdentity() const override;
bool AllowsExplicitCredentials() const override;
HttpAuth::AuthorizationResult ParseChallenge(
HttpAuthChallengeTokenizer* tok) override;
int GenerateAuthToken(const AuthCredentials* credentials,
const std::string& spn,
const std::string& channel_bindings,
std::string* auth_token,
const NetLogWithSource& net_log,
CompletionOnceCallback callback) override;
void SetDelegation(HttpAuth::DelegationType delegation_type) override;
ntlm::NtlmClient ntlm_client_;
// Decoded authentication token that the server returned as part of an NTLM
// challenge.
std::string challenge_token_;
// Keep track of whether we sent the negotiate token. While it is still spec
// compliant to respond to any challenge without a token with a negotiate
// token, this mechanism considers it an error to respond to a negotiate token
// with an empty token.
bool first_token_sent_ = false;
} // namespace net