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1 // Copyright 2017 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #include "ash/login/lock_screen_controller.h" | |
6 | |
7 #include "chromeos/cryptohome/system_salt_getter.h" | |
8 #include "chromeos/login/auth/user_context.h" | |
9 | |
10 namespace ash { | |
11 | |
12 LockScreenController::LockScreenController() { | |
13 chromeos::SystemSaltGetter::Get()->GetSystemSalt(base::Bind( | |
14 &LockScreenController::OnSaltObtained, base::Unretained(this))); | |
15 } | |
16 | |
17 LockScreenController::~LockScreenController() {} | |
18 | |
19 void LockScreenController::BindRequest(mojom::LockScreenRequest request) { | |
20 bindings_.AddBinding(this, std::move(request)); | |
21 } | |
22 | |
23 void LockScreenController::AuthenticateUser(const AccountId& account_id, | |
24 const std::string& password, | |
25 bool authenticated_by_pin) { | |
26 // Hash password before sending through mojo. | |
jdufault
2017/05/13 00:57:40
Instead of caching system_salt_ you can call throu
xiaoyinh(OOO Sep 11-29)
2017/05/15 20:13:05
Good point, thanks! I keep the caching part with t
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27 chromeos::UserContext user_context(account_id); | |
28 chromeos::Key key(password); | |
jdufault
2017/05/13 00:57:39
Unfortunately PIN is hashed differently. See [1].
xiaoyinh(OOO Sep 11-29)
2017/05/15 20:13:05
Added a TODO. Thanks for the information.
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29 key.Transform(chromeos::Key::KEY_TYPE_SALTED_SHA256_TOP_HALF, system_salt_); | |
30 if (lock_screen_client_) { | |
31 lock_screen_client_->AuthenticateUser(account_id, key.GetSecret(), | |
32 authenticated_by_pin); | |
33 } | |
34 } | |
35 | |
36 void LockScreenController::SetClient(mojom::LockScreenClientPtr client) { | |
37 lock_screen_client_ = std::move(client); | |
38 } | |
39 | |
40 void LockScreenController::ShowErrorMessage() { | |
41 NOTIMPLEMENTED(); | |
42 } | |
43 | |
44 void LockScreenController::ClearErrors() { | |
45 NOTIMPLEMENTED(); | |
46 } | |
47 | |
48 void LockScreenController::OnSaltObtained(const std::string& system_salt) { | |
49 system_salt_ = system_salt; | |
50 } | |
51 | |
52 } // namespace ash | |
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