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1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 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 COMPONENTS_CERTIFICATE_TRANSPARENCY_TREE_STATE_TRACKER_H_ | 5 #ifndef COMPONENTS_CERTIFICATE_TRANSPARENCY_TREE_STATE_TRACKER_H_ |
6 #define COMPONENTS_CERTIFICATE_TRANSPARENCY_TREE_STATE_TRACKER_H_ | 6 #define COMPONENTS_CERTIFICATE_TRANSPARENCY_TREE_STATE_TRACKER_H_ |
7 | 7 |
8 #include <map> | 8 #include <map> |
9 #include <memory> | 9 #include <memory> |
10 #include <string> | 10 #include <string> |
11 #include <vector> | 11 #include <vector> |
12 | 12 |
13 #include "base/memory/ref_counted.h" | 13 #include "base/memory/ref_counted.h" |
14 #include "net/cert/ct_verifier.h" | 14 #include "net/cert/ct_verifier.h" |
15 #include "net/cert/sth_observer.h" | 15 #include "net/cert/sth_observer.h" |
16 | 16 |
17 namespace net { | 17 namespace net { |
| 18 class NetLog; |
18 class CTLogVerifier; | 19 class CTLogVerifier; |
19 class X509Certificate; | 20 class X509Certificate; |
20 | 21 |
21 namespace ct { | 22 namespace ct { |
22 struct SignedCertificateTimestamp; | 23 struct SignedCertificateTimestamp; |
23 struct SignedTreeHead; | 24 struct SignedTreeHead; |
24 } // namespace ct | 25 } // namespace ct |
25 | 26 |
26 } // namespace net | 27 } // namespace net |
27 | 28 |
28 namespace certificate_transparency { | 29 namespace certificate_transparency { |
29 class LogDnsClient; | 30 class LogDnsClient; |
30 class SingleTreeTracker; | 31 class SingleTreeTracker; |
31 | 32 |
32 // This class receives notifications of new Signed Tree Heads (STHs) and | 33 // This class receives notifications of new Signed Tree Heads (STHs) and |
33 // verified Signed Certificate Timestamps (SCTs) and delegates them to | 34 // verified Signed Certificate Timestamps (SCTs) and delegates them to |
34 // the SingleTreeTracker tracking the CT log they relate to. | 35 // the SingleTreeTracker tracking the CT log they relate to. |
35 // TODO(eranm): Export the inclusion check status of SCTs+Certs so it can | 36 // TODO(eranm): Export the inclusion check status of SCTs+Certs so it can |
36 // be used in the DevTools Security panel, for example. See | 37 // be used in the DevTools Security panel, for example. See |
37 // https://crbug.com/506227#c22. | 38 // https://crbug.com/506227#c22. |
38 class TreeStateTracker : public net::CTVerifier::Observer, | 39 class TreeStateTracker : public net::CTVerifier::Observer, |
39 public net::ct::STHObserver { | 40 public net::ct::STHObserver { |
40 public: | 41 public: |
41 // Tracks the state of the logs provided in |ct_logs|. An instance of this | 42 // Tracks the state of the logs provided in |ct_logs|. An instance of this |
42 // class only tracks the logs provided in the constructor. The implementation | 43 // class only tracks the logs provided in the constructor. The implementation |
43 // is based on the assumption that the list of recognized logs does not change | 44 // is based on the assumption that the list of recognized logs does not change |
44 // during the object's life time. | 45 // during the object's life time. |
45 // Observed STHs from logs not in this list will be simply ignored. | 46 // Observed STHs from logs not in this list will be simply ignored. |
46 explicit TreeStateTracker( | 47 TreeStateTracker(std::vector<scoped_refptr<const net::CTLogVerifier>> ct_logs, |
47 std::vector<scoped_refptr<const net::CTLogVerifier>> ct_logs); | 48 net::NetLog* net_log); |
48 ~TreeStateTracker() override; | 49 ~TreeStateTracker() override; |
49 | 50 |
50 // net::ct::CTVerifier::Observer implementation. | 51 // net::ct::CTVerifier::Observer implementation. |
51 // Delegates to the tree tracker corresponding to the log that issued the SCT. | 52 // Delegates to the tree tracker corresponding to the log that issued the SCT. |
52 void OnSCTVerified(net::X509Certificate* cert, | 53 void OnSCTVerified(net::X509Certificate* cert, |
53 const net::ct::SignedCertificateTimestamp* sct) override; | 54 const net::ct::SignedCertificateTimestamp* sct) override; |
54 | 55 |
55 // net::ct::STHObserver implementation. | 56 // net::ct::STHObserver implementation. |
56 // Delegates to the tree tracker corresponding to the log that issued the STH. | 57 // Delegates to the tree tracker corresponding to the log that issued the STH. |
57 void NewSTHObserved(const net::ct::SignedTreeHead& sth) override; | 58 void NewSTHObserved(const net::ct::SignedTreeHead& sth) override; |
58 | 59 |
59 private: | 60 private: |
60 // A Log DNS client for fetching inclusion proof and leaf indices from | 61 // A Log DNS client for fetching inclusion proof and leaf indices from |
61 // DNS front-end of CT logs. | 62 // DNS front-end of CT logs. |
62 // Shared between all SingleTreeTrackers, for rate-limiting across all | 63 // Shared between all SingleTreeTrackers, for rate-limiting across all |
63 // trackers. Must be deleted after the tree trackers. | 64 // trackers. Must be deleted after the tree trackers. |
64 std::unique_ptr<LogDnsClient> dns_client_; | 65 std::unique_ptr<LogDnsClient> dns_client_; |
65 | 66 |
66 // Holds the SingleTreeTracker for each log | 67 // Holds the SingleTreeTracker for each log |
67 std::map<std::string, std::unique_ptr<SingleTreeTracker>> tree_trackers_; | 68 std::map<std::string, std::unique_ptr<SingleTreeTracker>> tree_trackers_; |
68 | 69 |
69 DISALLOW_COPY_AND_ASSIGN(TreeStateTracker); | 70 DISALLOW_COPY_AND_ASSIGN(TreeStateTracker); |
70 }; | 71 }; |
71 | 72 |
72 } // namespace certificate_transparency | 73 } // namespace certificate_transparency |
73 | 74 |
74 #endif // COMPONENTS_CERTIFICATE_TRANSPARENCY_TREE_STATE_TRACKER_H_ | 75 #endif // COMPONENTS_CERTIFICATE_TRANSPARENCY_TREE_STATE_TRACKER_H_ |
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