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1 // Copyright 2017 The Chromium Authors. All rights reserved. | 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 | 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 #ifndef CHROMEOS_DBUS_BIOD_FAKE_BIOD_CLIENT_H_ | 5 #ifndef CHROMEOS_DBUS_BIOD_FAKE_BIOD_CLIENT_H_ |
6 #define CHROMEOS_DBUS_BIOD_FAKE_BIOD_CLIENT_H_ | 6 #define CHROMEOS_DBUS_BIOD_FAKE_BIOD_CLIENT_H_ |
7 | 7 |
| 8 #include <map> |
| 9 #include <string> |
| 10 |
8 #include "base/macros.h" | 11 #include "base/macros.h" |
9 #include "base/observer_list.h" | 12 #include "base/observer_list.h" |
10 #include "chromeos/chromeos_export.h" | 13 #include "chromeos/chromeos_export.h" |
11 #include "chromeos/dbus/biod/biod_client.h" | 14 #include "chromeos/dbus/biod/biod_client.h" |
| 15 #include "dbus/object_path.h" |
12 | 16 |
13 namespace dbus { | 17 namespace dbus { |
14 class Bus; | 18 class Bus; |
15 class ObjectPath; | |
16 } // namespace dbus | 19 } // namespace dbus |
17 | 20 |
18 namespace chromeos { | 21 namespace chromeos { |
19 | 22 |
20 // A fake implementation of BiodClient. | 23 // A fake implementation of BiodClient. It emulates the real Biod daemon by |
| 24 // providing the same API and storing fingerprints locally. A fingerprint is |
| 25 // represented by a vector of strings. During enrollment, fake enrollments are |
| 26 // sent as strings. If they are successful they get added to the current |
| 27 // fingerprint, until a completed enroll scan is sent. An attempt scan is also |
| 28 // sent with a string. If that string matches any string in the stored |
| 29 // fingerprint vector, it is considered a match. |
21 class CHROMEOS_EXPORT FakeBiodClient : public BiodClient { | 30 class CHROMEOS_EXPORT FakeBiodClient : public BiodClient { |
22 public: | 31 public: |
23 FakeBiodClient(); | 32 FakeBiodClient(); |
24 ~FakeBiodClient() override; | 33 ~FakeBiodClient() override; |
25 | 34 |
26 // Emulates the biod daemon by sending events which the daemon normally sends. | 35 // Emulates the biod daemon by sending events which the daemon normally sends. |
27 // Notifies |observers_| about various events. These will be used in tests. | 36 // Notifies |observers_| about various events. These will be used in tests. |
28 void SendEnrollScanDone(biod::ScanResult type_result, bool is_complete); | 37 |
29 void SendAuthScanDone(biod::ScanResult type_result, | 38 // Emulates a scan that occurs during enrolling a new fingerprint. |
30 const AuthScanMatches& matches); | 39 // |fingerprint| is the fake data of the finger as a string. If |is_complete| |
| 40 // is true the enroll session is finished, and the record is stored. |
| 41 void SendEnrollScanDone(const std::string& fingerprint, |
| 42 biod::ScanResult type_result, |
| 43 bool is_complete); |
| 44 // Emulates a scan that occurs during a authentication session. |fingerprint| |
| 45 // is a string which represents the finger, and will be compared with all the |
| 46 // stored fingerprints. |
| 47 void SendAuthScanDone(const std::string& fingerprint, |
| 48 biod::ScanResult type_result); |
31 void SendSessionFailed(); | 49 void SendSessionFailed(); |
32 | 50 |
| 51 // Clears all stored and current records from the fake storage. |
| 52 void Reset(); |
| 53 |
33 // BiodClient: | 54 // BiodClient: |
34 void Init(dbus::Bus* bus) override; | 55 void Init(dbus::Bus* bus) override; |
35 void AddObserver(Observer* observer) override; | 56 void AddObserver(Observer* observer) override; |
36 void RemoveObserver(Observer* observer) override; | 57 void RemoveObserver(Observer* observer) override; |
37 bool HasObserver(const Observer* observer) const override; | 58 bool HasObserver(const Observer* observer) const override; |
38 void StartEnrollSession(const std::string& user_id, | 59 void StartEnrollSession(const std::string& user_id, |
39 const std::string& label, | 60 const std::string& label, |
40 const ObjectPathCallback& callback) override; | 61 const ObjectPathCallback& callback) override; |
41 void GetRecordsForUser(const std::string& user_id, | 62 void GetRecordsForUser(const std::string& user_id, |
42 const UserRecordsCallback& callback) override; | 63 const UserRecordsCallback& callback) override; |
43 void DestroyAllRecords(const VoidDBusMethodCallback& callback) override; | 64 void DestroyAllRecords(const VoidDBusMethodCallback& callback) override; |
44 void StartAuthSession(const ObjectPathCallback& callback) override; | 65 void StartAuthSession(const ObjectPathCallback& callback) override; |
45 void RequestType(const BiometricTypeCallback& callback) override; | 66 void RequestType(const BiometricTypeCallback& callback) override; |
46 void CancelEnrollSession(const dbus::ObjectPath& enroll_session_path, | 67 void CancelEnrollSession(const dbus::ObjectPath& enroll_session_path, |
47 const VoidDBusMethodCallback& callback) override; | 68 const VoidDBusMethodCallback& callback) override; |
48 void EndAuthSession(const dbus::ObjectPath& auth_session_path, | 69 void EndAuthSession(const dbus::ObjectPath& auth_session_path, |
49 const VoidDBusMethodCallback& callback) override; | 70 const VoidDBusMethodCallback& callback) override; |
50 void SetRecordLabel(const dbus::ObjectPath& record_path, | 71 void SetRecordLabel(const dbus::ObjectPath& record_path, |
51 const std::string& label, | 72 const std::string& label, |
52 const VoidDBusMethodCallback& callback) override; | 73 const VoidDBusMethodCallback& callback) override; |
53 void RemoveRecord(const dbus::ObjectPath& record_path, | 74 void RemoveRecord(const dbus::ObjectPath& record_path, |
54 const VoidDBusMethodCallback& callback) override; | 75 const VoidDBusMethodCallback& callback) override; |
55 void RequestRecordLabel(const dbus::ObjectPath& record_path, | 76 void RequestRecordLabel(const dbus::ObjectPath& record_path, |
56 const LabelCallback& callback) override; | 77 const LabelCallback& callback) override; |
57 | 78 |
58 private: | 79 private: |
| 80 struct FakeRecord; |
| 81 |
| 82 // The current session of fingerprint storage. The session determines which |
| 83 // events will be sent from user finger touches. |
| 84 enum class FingerprintSession { |
| 85 NONE, |
| 86 ENROLL, |
| 87 AUTH, |
| 88 }; |
| 89 |
| 90 // The stored fingerprints. |
| 91 std::map<dbus::ObjectPath, std::unique_ptr<FakeRecord>> records_; |
| 92 |
| 93 // Current record in process of getting enrolled and its path. These are |
| 94 // assigned at the start of an enroll session and freed when the enroll |
| 95 // session is finished or cancelled. |
| 96 dbus::ObjectPath current_record_path_; |
| 97 std::unique_ptr<FakeRecord> current_record_; |
| 98 |
| 99 // Unique indentifier that gets updated each time an enroll session is started |
| 100 // to ensure each record is stored at a different path. |
| 101 int next_record_unique_id_ = 1; |
| 102 |
| 103 // The current session of the fake storage. |
| 104 FingerprintSession current_session_ = FingerprintSession::NONE; |
| 105 |
59 base::ObserverList<Observer> observers_; | 106 base::ObserverList<Observer> observers_; |
60 | 107 |
61 DISALLOW_COPY_AND_ASSIGN(FakeBiodClient); | 108 DISALLOW_COPY_AND_ASSIGN(FakeBiodClient); |
62 }; | 109 }; |
63 | 110 |
64 } // namespace chromeos | 111 } // namespace chromeos |
65 | 112 |
66 #endif // CHROMEOS_DBUS_BIOD_FAKE_BIOD_CLIENT_H_ | 113 #endif // CHROMEOS_DBUS_BIOD_FAKE_BIOD_CLIENT_H_ |
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