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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 #ifndef CHROME_BROWSER_SAFE_BROWSING_SETTINGS_RESET_PROMPT_SETTINGS_RESET_PROMPT _CONFIG_H_ | |
6 #define CHROME_BROWSER_SAFE_BROWSING_SETTINGS_RESET_PROMPT_SETTINGS_RESET_PROMPT _CONFIG_H_ | |
7 | |
8 #include <cstddef> | |
9 #include <memory> | |
10 #include <string> | |
11 #include <unordered_map> | |
12 #include <vector> | |
13 | |
14 #include "base/feature_list.h" | |
15 #include "base/macros.h" | |
16 | |
17 class GURL; | |
18 | |
19 namespace safe_browsing { | |
20 | |
21 // Exposed for testing. | |
22 extern const base::Feature kSettingsResetPrompt; | |
23 | |
24 // Encapsulates the state of the reset prompt experiment as well as | |
25 // associated data. | |
26 class SettingsResetPromptConfig { | |
27 public: | |
28 // Returns true if the settings reset prompt study is enabled. | |
29 static bool IsPromptEnabled(); | |
30 // Factory method for creating instances of | |
31 // SettingsResetPromptConfig. Returns nullptr if |IsPromptEnabled()| is | |
robertshield
2017/01/10 02:55:22
nit: wrapping looks weird here.
alito
2017/01/10 19:13:33
Done.
| |
32 // false or if something is wrong with the config parameters. | |
33 static std::unique_ptr<SettingsResetPromptConfig> Create(); | |
34 | |
35 ~SettingsResetPromptConfig(); | |
36 | |
37 // Returns a non-negative integer ID if |url| should trigger a | |
38 // settings reset prompt and a negative integer otherwise. The IDs | |
39 // identify the domains or entities that we want to prompt the user | |
40 // for and can be used for metrics reporting. | |
41 int UrlToResetDomainId(const GURL& url) const; | |
42 | |
43 // TODO(alito): parameterize the set of things that we want to reset | |
44 // for so that we can control it from the finch config. For example, | |
45 // with functions like HomepageResetAllowed() etc. | |
46 private: | |
47 typedef std::vector<uint8_t> SHA256Hash; | |
48 struct SHA256HashHasher { | |
49 size_t operator()(const SHA256Hash& key) const; | |
50 }; | |
51 enum ConfigError : int; | |
52 | |
53 SettingsResetPromptConfig(); | |
54 bool Init(); | |
55 ConfigError ParseDomainHashes(const std::string& domain_hashes_json); | |
56 | |
57 // Map of 32 byte SHA256 hashes to integer domain IDs. | |
58 std::unordered_map<SHA256Hash, int, SHA256HashHasher> domain_hashes_; | |
59 | |
60 DISALLOW_COPY_AND_ASSIGN(SettingsResetPromptConfig); | |
61 }; | |
62 | |
63 } // namespace safe_browsing. | |
robertshield
2017/01/10 02:55:22
nit: no .
alito
2017/01/10 19:13:33
Done.
| |
64 | |
65 #endif // CHROME_BROWSER_SAFE_BROWSING_SETTINGS_RESET_PROMPT_SETTINGS_RESET_PRO MPT_CONFIG_H_ | |
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