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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 { |
22 struct FakeRecord; | |
Daniel Erat
2017/04/11 18:45:21
i'd keep this as a nested class at the top of the
sammiequon
2017/04/11 18:55:19
Right, done.
| |
19 | 23 |
20 // A fake implementation of BiodClient. | 24 // A fake implementation of BiodClient. It emulates the real Biod daemon by |
25 // providing the same API and storing fingerprints locally. A fingerprint is | |
26 // represented by a vector of strings. During enrollment, fake enrollments are | |
27 // sent as strings. If they are successful they get added to the current | |
28 // fingerprint, until a completed enroll scan is sent. An attempt scan is also | |
29 // sent with a string. If that string matches any string in the stored | |
30 // fingerprint vector, it is considered a match. | |
21 class CHROMEOS_EXPORT FakeBiodClient : public BiodClient { | 31 class CHROMEOS_EXPORT FakeBiodClient : public BiodClient { |
22 public: | 32 public: |
23 FakeBiodClient(); | 33 FakeBiodClient(); |
24 ~FakeBiodClient() override; | 34 ~FakeBiodClient() override; |
25 | 35 |
26 // Emulates the biod daemon by sending events which the daemon normally sends. | 36 // Emulates the biod daemon by sending events which the daemon normally sends. |
27 // Notifies |observers_| about various events. These will be used in tests. | 37 // Notifies |observers_| about various events. These will be used in tests. |
28 void SendEnrollScanDone(biod::ScanResult type_result, bool is_complete); | 38 |
29 void SendAuthScanDone(biod::ScanResult type_result, | 39 // Emulates a scan that occurs during enrolling a new fingerprint. |
30 const AuthScanMatches& matches); | 40 // |fingerprint| is the fake data of the finger as a string. If |is_complete| |
41 // is true the enroll session is finished, and the record is stored. | |
42 void SendEnrollScanDone(const std::string& fingerprint, | |
43 biod::ScanResult type_result, | |
44 bool is_complete); | |
45 // Emulates a scan that occurs during a authentication session. |fingerprint| | |
46 // is a string which represents the finger, and will be compared with all the | |
47 // stored fingerprints. | |
48 void SendAuthScanDone(const std::string& fingerprint, | |
49 biod::ScanResult type_result); | |
31 void SendSessionFailed(); | 50 void SendSessionFailed(); |
32 | 51 |
52 // Clears all stored and current records from the fake storage. | |
53 void Reset(); | |
54 | |
33 // BiodClient: | 55 // BiodClient: |
34 void Init(dbus::Bus* bus) override; | 56 void Init(dbus::Bus* bus) override; |
35 void AddObserver(Observer* observer) override; | 57 void AddObserver(Observer* observer) override; |
36 void RemoveObserver(Observer* observer) override; | 58 void RemoveObserver(Observer* observer) override; |
37 bool HasObserver(const Observer* observer) const override; | 59 bool HasObserver(const Observer* observer) const override; |
38 void StartEnrollSession(const std::string& user_id, | 60 void StartEnrollSession(const std::string& user_id, |
39 const std::string& label, | 61 const std::string& label, |
40 const ObjectPathCallback& callback) override; | 62 const ObjectPathCallback& callback) override; |
41 void GetRecordsForUser(const std::string& user_id, | 63 void GetRecordsForUser(const std::string& user_id, |
42 const UserRecordsCallback& callback) override; | 64 const UserRecordsCallback& callback) override; |
43 void DestroyAllRecords(const VoidDBusMethodCallback& callback) override; | 65 void DestroyAllRecords(const VoidDBusMethodCallback& callback) override; |
44 void StartAuthSession(const ObjectPathCallback& callback) override; | 66 void StartAuthSession(const ObjectPathCallback& callback) override; |
45 void RequestType(const BiometricTypeCallback& callback) override; | 67 void RequestType(const BiometricTypeCallback& callback) override; |
46 void CancelEnrollSession(const dbus::ObjectPath& enroll_session_path, | 68 void CancelEnrollSession(const dbus::ObjectPath& enroll_session_path, |
47 const VoidDBusMethodCallback& callback) override; | 69 const VoidDBusMethodCallback& callback) override; |
48 void EndAuthSession(const dbus::ObjectPath& auth_session_path, | 70 void EndAuthSession(const dbus::ObjectPath& auth_session_path, |
49 const VoidDBusMethodCallback& callback) override; | 71 const VoidDBusMethodCallback& callback) override; |
50 void SetRecordLabel(const dbus::ObjectPath& record_path, | 72 void SetRecordLabel(const dbus::ObjectPath& record_path, |
51 const std::string& label, | 73 const std::string& label, |
52 const VoidDBusMethodCallback& callback) override; | 74 const VoidDBusMethodCallback& callback) override; |
53 void RemoveRecord(const dbus::ObjectPath& record_path, | 75 void RemoveRecord(const dbus::ObjectPath& record_path, |
54 const VoidDBusMethodCallback& callback) override; | 76 const VoidDBusMethodCallback& callback) override; |
55 void RequestRecordLabel(const dbus::ObjectPath& record_path, | 77 void RequestRecordLabel(const dbus::ObjectPath& record_path, |
56 const LabelCallback& callback) override; | 78 const LabelCallback& callback) override; |
57 | 79 |
58 private: | 80 private: |
81 // The current session of fingerprint storage. The session determines which | |
82 // events will be sent from user finger touches. | |
83 enum class FingerprintSession { | |
84 NONE, | |
85 ENROLL, | |
86 AUTH, | |
87 }; | |
88 | |
89 // The stored fingerprints. | |
90 std::map<dbus::ObjectPath, std::unique_ptr<FakeRecord>> records_; | |
91 | |
92 // Current record in process of getting enrolled and its path. These are | |
93 // assigned at the start of an enroll session and freed when the enroll | |
94 // session is finished or cancelled. | |
95 dbus::ObjectPath current_record_path_; | |
96 std::unique_ptr<FakeRecord> current_record_; | |
97 | |
98 // Unique indentifier that gets updated each time an enroll session is started | |
99 // to ensure each record is stored at a different path. | |
100 int next_record_unique_id_ = 1; | |
101 | |
102 // The current session of the fake storage. | |
103 FingerprintSession current_session_ = FingerprintSession::NONE; | |
104 | |
59 base::ObserverList<Observer> observers_; | 105 base::ObserverList<Observer> observers_; |
60 | 106 |
61 DISALLOW_COPY_AND_ASSIGN(FakeBiodClient); | 107 DISALLOW_COPY_AND_ASSIGN(FakeBiodClient); |
62 }; | 108 }; |
63 | 109 |
64 } // namespace chromeos | 110 } // namespace chromeos |
65 | 111 |
66 #endif // CHROMEOS_DBUS_BIOD_FAKE_BIOD_CLIENT_H_ | 112 #endif // CHROMEOS_DBUS_BIOD_FAKE_BIOD_CLIENT_H_ |
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