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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 #include "chrome/browser/android/intercept_download_resource_throttle.h" | 5 #include "chrome/browser/android/intercept_download_resource_throttle.h" |
6 | 6 |
| 7 #include "base/command_line.h" |
| 8 #include "base/metrics/field_trial.h" |
7 #include "base/metrics/histogram_macros.h" | 9 #include "base/metrics/histogram_macros.h" |
| 10 #include "base/strings/string_util.h" |
| 11 #include "chrome/common/chrome_switches.h" |
8 #include "components/data_reduction_proxy/core/common/data_reduction_proxy_heade
rs.h" | 12 #include "components/data_reduction_proxy/core/common/data_reduction_proxy_heade
rs.h" |
9 #include "content/public/browser/android/download_controller_android.h" | 13 #include "content/public/browser/android/download_controller_android.h" |
10 #include "content/public/browser/resource_controller.h" | 14 #include "content/public/browser/resource_controller.h" |
11 #include "net/http/http_request_headers.h" | 15 #include "net/http/http_request_headers.h" |
12 #include "net/http/http_response_headers.h" | 16 #include "net/http/http_response_headers.h" |
13 #include "net/url_request/url_request.h" | 17 #include "net/url_request/url_request.h" |
14 | 18 |
15 namespace { | 19 namespace { |
16 | 20 |
| 21 // Finch flag to be passed in. |
| 22 const char kDisableDownloadInterception[] = "DisableDownloadInterception"; |
| 23 |
17 // UMA histogram for tracking reasons that chrome fails to intercept the | 24 // UMA histogram for tracking reasons that chrome fails to intercept the |
18 // download. Keep this in sync with MobileDownloadInterceptFailureReasons in | 25 // download. Keep this in sync with MobileDownloadInterceptFailureReasons in |
19 // histograms.xml. | 26 // histograms.xml. |
20 enum MobileDownloadInterceptFailureReason { | 27 enum MobileDownloadInterceptFailureReason { |
21 NO_FAILURE = 0, | 28 NO_FAILURE = 0, |
22 EMPTY_URL, | 29 EMPTY_URL, |
23 NON_HTTP_OR_HTTPS, | 30 NON_HTTP_OR_HTTPS, |
24 NON_GET_METHODS, | 31 NON_GET_METHODS, |
25 NO_REQUEST_HEADERS, | 32 NO_REQUEST_HEADERS, |
26 USE_HTTP_AUTH, | 33 USE_HTTP_AUTH, |
27 USE_CHANNEL_BOUND_COOKIES, | 34 USE_CHANNEL_BOUND_COOKIES, |
28 // FAILURE_REASON_SIZE should always be last - this is a count of the number | 35 // FAILURE_REASON_SIZE should always be last - this is a count of the number |
29 // of items in this enum. | 36 // of items in this enum. |
30 FAILURE_REASON_SIZE, | 37 FAILURE_REASON_SIZE, |
31 }; | 38 }; |
32 | 39 |
33 void RecordInterceptFailureReasons( | 40 void RecordInterceptFailureReasons( |
34 MobileDownloadInterceptFailureReason reason) { | 41 MobileDownloadInterceptFailureReason reason) { |
35 UMA_HISTOGRAM_ENUMERATION("MobileDownload.InterceptFailureReason", | 42 UMA_HISTOGRAM_ENUMERATION("MobileDownload.InterceptFailureReason", |
36 reason, | 43 reason, |
37 FAILURE_REASON_SIZE); | 44 FAILURE_REASON_SIZE); |
38 } | 45 } |
39 | 46 |
40 } // namespace | 47 } // namespace |
41 | 48 |
42 namespace chrome { | 49 namespace chrome { |
43 | 50 |
| 51 // static |
| 52 bool InterceptDownloadResourceThrottle::IsDownloadInterceptionEnabled() { |
| 53 |
| 54 if (base::CommandLine::ForCurrentProcess()->HasSwitch( |
| 55 switches::kEnableDownloadInterception)) { |
| 56 return true; |
| 57 } |
| 58 |
| 59 if (base::CommandLine::ForCurrentProcess()->HasSwitch( |
| 60 switches::kDisableDownloadInterception)) { |
| 61 return false; |
| 62 } |
| 63 |
| 64 return !base::StartsWith( |
| 65 base::FieldTrialList::FindFullName(kDisableDownloadInterception), |
| 66 "Enabled", base::CompareCase::INSENSITIVE_ASCII); |
| 67 } |
| 68 |
44 InterceptDownloadResourceThrottle::InterceptDownloadResourceThrottle( | 69 InterceptDownloadResourceThrottle::InterceptDownloadResourceThrottle( |
45 net::URLRequest* request, | 70 net::URLRequest* request, |
46 int render_process_id, | 71 int render_process_id, |
47 int render_view_id, | 72 int render_view_id, |
48 int request_id) | 73 int request_id) |
49 : request_(request), | 74 : request_(request), |
50 render_process_id_(render_process_id), | 75 render_process_id_(render_process_id), |
51 render_view_id_(render_view_id), | 76 render_view_id_(render_view_id), |
52 request_id_(request_id) { | 77 request_id_(request_id) { |
53 } | 78 } |
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108 return; | 133 return; |
109 } | 134 } |
110 | 135 |
111 content::DownloadControllerAndroid::Get()->CreateGETDownload( | 136 content::DownloadControllerAndroid::Get()->CreateGETDownload( |
112 render_process_id_, render_view_id_, request_id_); | 137 render_process_id_, render_view_id_, request_id_); |
113 controller()->Cancel(); | 138 controller()->Cancel(); |
114 RecordInterceptFailureReasons(NO_FAILURE); | 139 RecordInterceptFailureReasons(NO_FAILURE); |
115 } | 140 } |
116 | 141 |
117 } // namespace chrome | 142 } // namespace chrome |
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