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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 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 | 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 "components/variations/net/variations_http_headers.h" | 5 #include "components/variations/net/variations_http_headers.h" |
6 | 6 |
7 #include <stddef.h> | 7 #include <stddef.h> |
8 | 8 |
9 #include "base/macros.h" | 9 #include "base/macros.h" |
10 #include "base/strings/string_util.h" | 10 #include "base/strings/string_util.h" |
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37 }; | 37 }; |
38 | 38 |
39 const char kChromeUMAEnabled[] = "X-Chrome-UMA-Enabled"; | 39 const char kChromeUMAEnabled[] = "X-Chrome-UMA-Enabled"; |
40 const char kClientData[] = "X-Client-Data"; | 40 const char kClientData[] = "X-Client-Data"; |
41 | 41 |
42 } // namespace | 42 } // namespace |
43 | 43 |
44 void AppendVariationHeaders(const GURL& url, | 44 void AppendVariationHeaders(const GURL& url, |
45 bool incognito, | 45 bool incognito, |
46 bool uma_enabled, | 46 bool uma_enabled, |
| 47 bool is_signed_in, |
47 net::HttpRequestHeaders* headers) { | 48 net::HttpRequestHeaders* headers) { |
48 // Note the criteria for attaching client experiment headers: | 49 // Note the criteria for attaching client experiment headers: |
49 // 1. We only transmit to Google owned domains which can evaluate experiments. | 50 // 1. We only transmit to Google owned domains which can evaluate experiments. |
50 // 1a. These include hosts which have a standard postfix such as: | 51 // 1a. These include hosts which have a standard postfix such as: |
51 // *.doubleclick.net or *.googlesyndication.com or | 52 // *.doubleclick.net or *.googlesyndication.com or |
52 // exactly www.googleadservices.com or | 53 // exactly www.googleadservices.com or |
53 // international TLD domains *.google.<TLD> or *.youtube.<TLD>. | 54 // international TLD domains *.google.<TLD> or *.youtube.<TLD>. |
54 // 2. Only transmit for non-Incognito profiles. | 55 // 2. Only transmit for non-Incognito profiles. |
55 // 3. For the X-Chrome-UMA-Enabled bit, only set it if UMA is in fact enabled | 56 // 3. For the X-Chrome-UMA-Enabled bit, only set it if UMA is in fact enabled |
56 // for this install of Chrome. | 57 // for this install of Chrome. |
57 // 4. For the X-Client-Data header, only include non-empty variation IDs. | 58 // 4. For the X-Client-Data header, only include non-empty variation IDs. |
58 if (incognito || !internal::ShouldAppendVariationHeaders(url)) | 59 if (incognito || !internal::ShouldAppendVariationHeaders(url)) |
59 return; | 60 return; |
60 | 61 |
61 if (uma_enabled) | 62 if (uma_enabled) |
62 headers->SetHeaderIfMissing(kChromeUMAEnabled, "1"); | 63 headers->SetHeaderIfMissing(kChromeUMAEnabled, "1"); |
63 | 64 |
64 const std::string variation_ids_header = | 65 const std::string variation_ids_header = |
65 VariationsHttpHeaderProvider::GetInstance()->GetClientDataHeader(); | 66 VariationsHttpHeaderProvider::GetInstance()->GetClientDataHeader( |
| 67 is_signed_in); |
66 if (!variation_ids_header.empty()) { | 68 if (!variation_ids_header.empty()) { |
67 // Note that prior to M33 this header was named X-Chrome-Variations. | 69 // Note that prior to M33 this header was named X-Chrome-Variations. |
68 headers->SetHeaderIfMissing(kClientData, variation_ids_header); | 70 headers->SetHeaderIfMissing(kClientData, variation_ids_header); |
69 } | 71 } |
70 } | 72 } |
71 | 73 |
72 std::set<std::string> GetVariationHeaderNames() { | 74 std::set<std::string> GetVariationHeaderNames() { |
73 std::set<std::string> headers; | 75 std::set<std::string> headers; |
74 headers.insert(kChromeUMAEnabled); | 76 headers.insert(kChromeUMAEnabled); |
75 headers.insert(kClientData); | 77 headers.insert(kClientData); |
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101 return true; | 103 return true; |
102 } | 104 } |
103 | 105 |
104 return google_util::IsYoutubeDomainUrl(url, google_util::ALLOW_SUBDOMAIN, | 106 return google_util::IsYoutubeDomainUrl(url, google_util::ALLOW_SUBDOMAIN, |
105 google_util::ALLOW_NON_STANDARD_PORTS); | 107 google_util::ALLOW_NON_STANDARD_PORTS); |
106 } | 108 } |
107 | 109 |
108 } // namespace internal | 110 } // namespace internal |
109 | 111 |
110 } // namespace variations | 112 } // namespace variations |
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