1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
|
// Copyright 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_EXTENSIONS_BLACKLIST_H_
#define CHROME_BROWSER_EXTENSIONS_BLACKLIST_H_
#include <map>
#include <set>
#include <string>
#include <vector>
#include "base/callback.h"
#include "base/memory/weak_ptr.h"
#include "base/observer_list.h"
#include "chrome/browser/safe_browsing/database_manager.h"
#include "content/public/browser/notification_observer.h"
#include "content/public/browser/notification_registrar.h"
namespace extensions {
class Extension;
class ExtensionPrefs;
// The blacklist of extensions backed by safe browsing.
class Blacklist : public content::NotificationObserver,
public base::SupportsWeakPtr<Blacklist> {
public:
class Observer {
public:
// Observes |blacklist| on construction and unobserves on destruction.
explicit Observer(Blacklist* blacklist);
virtual void OnBlacklistUpdated() = 0;
protected:
virtual ~Observer();
private:
Blacklist* blacklist_;
};
class ScopedDatabaseManagerForTest {
public:
explicit ScopedDatabaseManagerForTest(
scoped_refptr<SafeBrowsingDatabaseManager> database_manager);
~ScopedDatabaseManagerForTest();
private:
scoped_refptr<SafeBrowsingDatabaseManager> original_;
DISALLOW_COPY_AND_ASSIGN(ScopedDatabaseManagerForTest);
};
// The numeric values here match the values of the respective enum in proto
// received from SafeBrowsing server.
enum BlacklistState {
NOT_BLACKLISTED = 0,
BLACKLISTED_MALWARE = 1,
BLACKLISTED_SECURITY_VULNERABILITY = 2,
BLACKLISTED_CWS_POLICY_VIOLATION = 3,
BLACKLISTED_POTENTIALLY_UNWANTED = 4
};
typedef std::map<std::string, BlacklistState> BlacklistStateMap;
typedef base::Callback<void(const BlacklistStateMap&)>
GetBlacklistedIDsCallback;
typedef base::Callback<void(const std::set<std::string>&)>
GetMalwareIDsCallback;
typedef base::Callback<void(BlacklistState)> IsBlacklistedCallback;
explicit Blacklist(ExtensionPrefs* prefs);
virtual ~Blacklist();
// From the set of extension IDs passed in via |ids|, asynchronously checks
// which are blacklisted and includes them in the resulting map passed
// via |callback|, which will be sent on the caller's message loop. The values
// of the map are the blacklist state for each extension. Extensions with
// a BlacklistState of NOT_BLACKLISTED are not included in the result.
//
// For a synchronous version which ONLY CHECKS CURRENTLY INSTALLED EXTENSIONS
// see ExtensionPrefs::IsExtensionBlacklisted.
void GetBlacklistedIDs(const std::set<std::string>& ids,
const GetBlacklistedIDsCallback& callback);
// From the subset of extension IDs passed in via |ids|, select the ones
// marked in the blacklist as BLACKLISTED_MALWARE and asynchronously pass
// to |callback|. Basically, will call GetBlacklistedIDs and filter its
// results.
void GetMalwareIDs(const std::set<std::string>& ids,
const GetMalwareIDsCallback& callback);
// More convenient form of GetBlacklistedIDs for checking a single extension.
void IsBlacklisted(const std::string& extension_id,
const IsBlacklistedCallback& callback);
// Adds/removes an observer to the blacklist.
void AddObserver(Observer* observer);
void RemoveObserver(Observer* observer);
private:
// Use via ScopedDatabaseManagerForTest.
static void SetDatabaseManager(
scoped_refptr<SafeBrowsingDatabaseManager> database_manager);
static scoped_refptr<SafeBrowsingDatabaseManager> GetDatabaseManager();
// content::NotificationObserver
virtual void Observe(int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) OVERRIDE;
void GetBlacklistStateForIDs(const GetBlacklistedIDsCallback& callback,
const std::set<std::string>& blacklisted_ids);
void RequestExtensionsBlacklistState(const std::set<std::string> ids,
base::Callback<void()> callback);
void ReturnBlacklistStateMap(const GetBlacklistedIDsCallback& callback,
const std::set<std::string>& blacklisted_ids);
ObserverList<Observer> observers_;
content::NotificationRegistrar registrar_;
BlacklistStateMap blacklist_state_cache_;
DISALLOW_COPY_AND_ASSIGN(Blacklist);
};
} // namespace extensions
#endif // CHROME_BROWSER_EXTENSIONS_BLACKLIST_H_
|
