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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_NOTIFICATION_IMAGE_REPORTER_H_ | |
6 #define CHROME_BROWSER_SAFE_BROWSING_NOTIFICATION_IMAGE_REPORTER_H_ | |
7 | |
8 #include <memory> | |
9 #include <queue> | |
10 | |
11 #include "base/macros.h" | |
12 #include "base/memory/ref_counted.h" | |
13 #include "base/time/time.h" | |
14 | |
15 class GURL; | |
16 class Profile; | |
17 class SkBitmap; | |
18 | |
19 namespace base { | |
20 class RefCountedMemory; | |
21 } // namespace base | |
22 | |
23 namespace gfx { | |
24 class Size; | |
25 } // namespace gfx | |
26 | |
27 namespace net { | |
28 class ReportSender; | |
29 class URLRequestContext; | |
30 } // namespace net | |
31 | |
32 namespace safe_browsing { | |
33 | |
34 class SafeBrowsingService; | |
35 | |
36 // Provides functionality for building and sending reports about notification | |
37 // content images to the Safe Browsing CSD server. | |
38 class NotificationImageReporter | |
39 : public base::RefCountedThreadSafe<NotificationImageReporter> { | |
40 public: | |
41 explicit NotificationImageReporter(net::URLRequestContext* request_context); | |
42 | |
43 // Report notification content image to SafeBrowsing CSD server if the user | |
44 // has opted in, the origin is not whitelisted, and it is randomly sampled. | |
45 // Can only be called on UI thread. | |
46 void ReportNotificationImageOnUI(Profile* profile, | |
47 const GURL& origin, | |
48 const SkBitmap& image); | |
49 | |
50 private: | |
51 friend class base::RefCountedThreadSafe<NotificationImageReporter>; | |
52 ~NotificationImageReporter(); | |
53 | |
54 // Report notification content image to SafeBrowsing CSD server if necessary. | |
55 void ReportNotificationImageOnIO( | |
56 scoped_refptr<SafeBrowsingService> safe_browsing_service, | |
57 const GURL& origin, | |
58 const SkBitmap& image); | |
59 | |
60 // Downscales image to fit within 512x512 if necessary, and encodes as it PNG. | |
61 void DownscaleNotificationImageOnBlockingPool(const GURL& origin, | |
Nathan Parker
2017/01/11 22:34:38
What's the output of this? (i.e. does it invoke Se
johnme
2017/01/13 02:38:17
Done.
| |
62 const SkBitmap& image); | |
63 | |
64 // Serializes report using NotificationImageReportRequest protobuf defined in | |
65 // chrome/common/safe_browsing/csd.proto and sends it to CSD server. | |
66 void SendReportOnIO(const GURL& origin, | |
67 scoped_refptr<base::RefCountedMemory> png_data, | |
68 const gfx::Size& dimensions, | |
69 const gfx::Size& original_dimensions); | |
70 | |
71 std::unique_ptr<net::ReportSender> report_sender_; | |
72 | |
73 // Timestamps of when we sent notification images. Used to limit the number | |
74 // of requests that we send in a day. Only access on the IO thread. | |
75 // TODO(johnme): Serialize this so that it doesn't reset on browser restart. | |
76 std::queue<base::Time> report_times_; | |
77 | |
78 DISALLOW_COPY_AND_ASSIGN(NotificationImageReporter); | |
79 }; | |
80 | |
81 } // namespace safe_browsing | |
82 | |
83 #endif // CHROME_BROWSER_SAFE_BROWSING_NOTIFICATION_IMAGE_REPORTER_H_ | |
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