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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "chrome/browser/chromeos/login/auth/tpm_password_fetcher.h" | 5 #include "chromeos/tpm_password_fetcher.h" |
| 6 | 6 |
| 7 #include "base/bind.h" | 7 #include "base/bind.h" |
| 8 #include "base/compiler_specific.h" | 8 #include "base/compiler_specific.h" |
| 9 #include "base/message_loop/message_loop.h" | 9 #include "base/message_loop/message_loop.h" |
| 10 #include "chromeos/dbus/cryptohome_client.h" | 10 #include "chromeos/dbus/cryptohome_client.h" |
| 11 #include "chromeos/dbus/dbus_thread_manager.h" | 11 #include "chromeos/dbus/dbus_thread_manager.h" |
| 12 | 12 |
| 13 namespace chromeos { | 13 namespace chromeos { |
| 14 | 14 |
| 15 namespace { | 15 namespace { |
| 16 | 16 |
| 17 // Interval between TPM password checks. | 17 // Interval between TPM password checks. |
| 18 const int kTpmCheckIntervalMs = 500; | 18 const int kTpmCheckIntervalMs = 500; |
| 19 | 19 |
| 20 } // namespace | 20 } // namespace |
| 21 | 21 |
| 22 TpmPasswordFetcher::TpmPasswordFetcher(TpmPasswordFetcherDelegate* delegate) | 22 TpmPasswordFetcher::TpmPasswordFetcher(TpmPasswordFetcherDelegate* delegate) |
| 23 : weak_factory_(this), | 23 : weak_factory_(this), delegate_(delegate) { |
| 24 delegate_(delegate) { | |
| 25 DCHECK(delegate_); | 24 DCHECK(delegate_); |
| 26 } | 25 } |
| 27 | 26 |
| 28 TpmPasswordFetcher::~TpmPasswordFetcher() { | 27 TpmPasswordFetcher::~TpmPasswordFetcher() { |
| 29 } | 28 } |
| 30 | 29 |
| 31 void TpmPasswordFetcher::Fetch() { | 30 void TpmPasswordFetcher::Fetch() { |
| 32 // Since this method is also called directly. | 31 // Since this method is also called directly. |
| 33 weak_factory_.InvalidateWeakPtrs(); | 32 weak_factory_.InvalidateWeakPtrs(); |
| 34 | 33 |
| 35 DBusThreadManager::Get()->GetCryptohomeClient()->TpmIsReady( | 34 DBusThreadManager::Get()->GetCryptohomeClient()->TpmIsReady(base::Bind( |
| 36 base::Bind(&TpmPasswordFetcher::OnTpmIsReady, | 35 &TpmPasswordFetcher::OnTpmIsReady, weak_factory_.GetWeakPtr())); |
| 37 weak_factory_.GetWeakPtr())); | |
| 38 } | 36 } |
| 39 | 37 |
| 40 void TpmPasswordFetcher::OnTpmIsReady(DBusMethodCallStatus call_status, | 38 void TpmPasswordFetcher::OnTpmIsReady(DBusMethodCallStatus call_status, |
| 41 bool tpm_is_ready) { | 39 bool tpm_is_ready) { |
| 42 if (call_status == DBUS_METHOD_CALL_SUCCESS && tpm_is_ready) { | 40 if (call_status == DBUS_METHOD_CALL_SUCCESS && tpm_is_ready) { |
| 43 DBusThreadManager::Get()->GetCryptohomeClient()->TpmGetPassword( | 41 DBusThreadManager::Get()->GetCryptohomeClient()->TpmGetPassword(base::Bind( |
| 44 base::Bind(&TpmPasswordFetcher::OnTpmGetPassword, | 42 &TpmPasswordFetcher::OnTpmGetPassword, weak_factory_.GetWeakPtr())); |
| 45 weak_factory_.GetWeakPtr())); | |
| 46 } else { | 43 } else { |
| 47 // Password hasn't been acquired, reschedule fetch. | 44 // Password hasn't been acquired, reschedule fetch. |
| 48 RescheduleFetch(); | 45 RescheduleFetch(); |
| 49 } | 46 } |
| 50 } | 47 } |
| 51 | 48 |
| 52 void TpmPasswordFetcher::OnTpmGetPassword(DBusMethodCallStatus call_status, | 49 void TpmPasswordFetcher::OnTpmGetPassword(DBusMethodCallStatus call_status, |
| 53 const std::string& password) { | 50 const std::string& password) { |
| 54 if (call_status == DBUS_METHOD_CALL_SUCCESS) { | 51 if (call_status == DBUS_METHOD_CALL_SUCCESS) { |
| 55 if (password.empty()) { | 52 if (password.empty()) { |
| (...skipping 10 matching lines...) Expand all Loading... |
| 66 } | 63 } |
| 67 | 64 |
| 68 void TpmPasswordFetcher::RescheduleFetch() { | 65 void TpmPasswordFetcher::RescheduleFetch() { |
| 69 base::MessageLoop::current()->PostDelayedTask( | 66 base::MessageLoop::current()->PostDelayedTask( |
| 70 FROM_HERE, | 67 FROM_HERE, |
| 71 base::Bind(&TpmPasswordFetcher::Fetch, weak_factory_.GetWeakPtr()), | 68 base::Bind(&TpmPasswordFetcher::Fetch, weak_factory_.GetWeakPtr()), |
| 72 base::TimeDelta::FromMilliseconds(kTpmCheckIntervalMs)); | 69 base::TimeDelta::FromMilliseconds(kTpmCheckIntervalMs)); |
| 73 } | 70 } |
| 74 | 71 |
| 75 } // namespace chromeos | 72 } // namespace chromeos |
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