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1 // Copyright 2015 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 #ifndef COMPONENTS_CERTIFICATE_TRANSPARENCY_TREE_STATE_TRACKER_H_ | |
6 #define COMPONENTS_CERTIFICATE_TRANSPARENCY_TREE_STATE_TRACKER_H_ | |
7 | |
8 #include <map> | |
9 #include <string> | |
10 #include <vector> | |
11 | |
12 #include "base/memory/linked_ptr.h" | |
13 #include "base/memory/scoped_ptr.h" | |
14 #include "net/cert/ct_verifier.h" | |
15 | |
16 namespace net { | |
17 class CTLogVerifier; | |
18 | |
19 namespace ct { | |
20 struct SignedCertificateTimestamp; | |
21 struct SignedTreeHead; | |
22 } // namespace ct | |
23 | |
24 } // namespace net | |
25 | |
26 namespace certificate_transparency { | |
27 | |
28 class LogProofFetcher; | |
29 | |
30 // Tracks the state of the Merkle Trees of CT logs Chromium | |
31 // knows about. For now, only stores Signed Tree Heads. | |
Ryan Sleevi
2015/06/29 11:58:13
Comment nit: "For now" suggests there may be more,
| |
32 class TreeStateTracker : public net::CTVerifier::Observer { | |
33 public: | |
34 TreeStateTracker(scoped_ptr<LogProofFetcher> fetcher, | |
35 const std::vector<linked_ptr<net::CTLogVerifier>>& ct_logs); | |
36 ~TreeStateTracker() override; | |
37 | |
38 void OnSCTVerified(const net::ct::SignedCertificateTimestamp* sct, | |
39 net::CTLogVerifier* verifier) override; | |
40 | |
41 private: | |
42 void RefreshSTHs(); | |
43 void OnSTHFetched(const std::string& log_id, | |
44 const net::ct::SignedTreeHead& unverified_sth); | |
45 | |
46 // Holds the latest STH fetched and verified for each log. | |
47 std::map<std::string, net::ct::SignedTreeHead> sths_; | |
48 // Fetcher for getting STHs and proofs from CT logs. | |
49 scoped_ptr<LogProofFetcher> fetcher_; | |
50 // List of CT logs to track. | |
51 std::map<std::string, linked_ptr<net::CTLogVerifier>> ct_logs_; | |
52 | |
53 DISALLOW_COPY_AND_ASSIGN(TreeStateTracker); | |
54 }; | |
55 | |
56 } // namespace certificate_transparency | |
57 | |
58 #endif // COMPONENTS_CERTIFICATE_TRANSPARENCY_TREE_STATE_TRACKER_H_ | |
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