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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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/component_updater/chrome_component_updater_configurator
.h" | 5 #include "components/component_updater/default_configurator.h" |
6 | 6 |
7 #include <algorithm> | 7 #include <algorithm> |
8 #include <string> | 8 #include <string> |
9 #include <vector> | 9 #include <vector> |
10 | 10 |
11 #include "base/command_line.h" | 11 #include "base/command_line.h" |
12 #include "base/compiler_specific.h" | 12 #include "base/compiler_specific.h" |
13 #include "base/strings/string_split.h" | 13 #include "base/strings/string_split.h" |
14 #include "base/strings/string_util.h" | 14 #include "base/strings/string_util.h" |
15 #include "base/version.h" | 15 #include "base/version.h" |
16 #include "build/build_config.h" | 16 #include "build/build_config.h" |
17 #include "chrome/browser/component_updater/component_patcher_operation_out_of_pr
ocess.h" | |
18 #include "chrome/browser/component_updater/component_updater_url_constants.h" | |
19 #include "chrome/browser/update_client/chrome_update_query_params_delegate.h" | |
20 #include "components/component_updater/component_updater_switches.h" | 17 #include "components/component_updater/component_updater_switches.h" |
21 #include "components/update_client/configurator.h" | 18 #include "components/update_client/configurator.h" |
22 #include "components/version_info/version_info.h" | 19 #include "components/version_info/version_info.h" |
23 #include "content/public/browser/browser_thread.h" | |
24 #include "net/url_request/url_request_context_getter.h" | |
25 #include "url/gurl.h" | |
26 | 20 |
27 #if defined(OS_WIN) | 21 #if defined(OS_WIN) |
28 #include "base/win/win_util.h" | 22 #include "base/win/win_util.h" |
29 #endif // OS_WIN | 23 #endif // OS_WIN |
30 | 24 |
31 using update_client::Configurator; | |
32 using update_client::OutOfProcessPatcher; | |
33 | |
34 namespace component_updater { | 25 namespace component_updater { |
35 | 26 |
36 namespace { | 27 namespace { |
37 | |
38 // Default time constants. | 28 // Default time constants. |
39 const int kDelayOneMinute = 60; | 29 const int kDelayOneMinute = 60; |
40 const int kDelayOneHour = kDelayOneMinute * 60; | 30 const int kDelayOneHour = kDelayOneMinute * 60; |
41 | 31 |
42 // Debug values you can pass to --component-updater=value1,value2. | 32 // Debug values you can pass to --component-updater=value1,value2. |
43 // Speed up component checking. | 33 // Speed up component checking. |
44 const char kSwitchFastUpdate[] = "fast-update"; | 34 const char kSwitchFastUpdate[] = "fast-update"; |
45 | 35 |
46 // Add "testrequest=1" attribute to the update check request. | 36 // Add "testrequest=1" attribute to the update check request. |
47 const char kSwitchRequestParam[] = "test-request"; | 37 const char kSwitchRequestParam[] = "test-request"; |
48 | 38 |
49 // Disables pings. Pings are the requests sent to the update server that report | 39 // Disables pings. Pings are the requests sent to the update server that report |
50 // the success or the failure of component install or update attempts. | 40 // the success or the failure of component install or update attempts. |
51 extern const char kSwitchDisablePings[] = "disable-pings"; | 41 extern const char kSwitchDisablePings[] = "disable-pings"; |
52 | 42 |
53 // Sets the URL for updates. | 43 // Sets the URL for updates. |
54 const char kSwitchUrlSource[] = "url-source"; | 44 const char kSwitchUrlSource[] = "url-source"; |
55 | 45 |
56 // Disables differential updates. | 46 // Disables differential updates. |
57 const char kSwitchDisableDeltaUpdates[] = "disable-delta-updates"; | 47 const char kSwitchDisableDeltaUpdates[] = "disable-delta-updates"; |
58 | 48 |
| 49 // The alternative URL for the v3 protocol service endpoint. |
| 50 const char kUpdaterAltUrl[] = "http://clients2.google.com/service/update2"; |
| 51 |
| 52 // The default URL for the v3 protocol service endpoint. In some cases, the |
| 53 // component updater is allowed to fall back to and alternate URL source, if |
| 54 // the request to the default URL source fails. |
| 55 // The value of |kDefaultUrlSource| can be overridden with |
| 56 // --component-updater=url-source=someurl. |
| 57 const char kUpdaterDefaultUrl[] = "https://clients2.google.com/service/update2"; |
| 58 |
59 #if defined(OS_WIN) | 59 #if defined(OS_WIN) |
60 // Disables background downloads. | 60 // Disables background downloads. |
61 const char kSwitchDisableBackgroundDownloads[] = "disable-background-downloads"; | 61 const char kSwitchDisableBackgroundDownloads[] = "disable-background-downloads"; |
62 #endif // defined(OS_WIN) | 62 #endif // defined(OS_WIN) |
63 | 63 |
64 // Returns true if and only if |test| is contained in |vec|. | 64 // Returns true if and only if |test| is contained in |vec|. |
65 bool HasSwitchValue(const std::vector<std::string>& vec, const char* test) { | 65 bool HasSwitchValue(const std::vector<std::string>& vec, const char* test) { |
66 if (vec.empty()) | 66 if (vec.empty()) |
67 return 0; | 67 return 0; |
68 return (std::find(vec.begin(), vec.end(), test) != vec.end()); | 68 return (std::find(vec.begin(), vec.end(), test) != vec.end()); |
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83 | 83 |
84 // If there is an element of |vec| of the form |test|=.*, returns the right- | 84 // If there is an element of |vec| of the form |test|=.*, returns the right- |
85 // hand side of that assignment. Otherwise, returns an empty string. | 85 // hand side of that assignment. Otherwise, returns an empty string. |
86 // The right-hand side may contain additional '=' characters, allowing for | 86 // The right-hand side may contain additional '=' characters, allowing for |
87 // further nesting of switch arguments. | 87 // further nesting of switch arguments. |
88 std::string GetSwitchArgument(const std::vector<std::string>& vec, | 88 std::string GetSwitchArgument(const std::vector<std::string>& vec, |
89 const char* test) { | 89 const char* test) { |
90 if (vec.empty()) | 90 if (vec.empty()) |
91 return std::string(); | 91 return std::string(); |
92 for (std::vector<std::string>::const_iterator it = vec.begin(); | 92 for (std::vector<std::string>::const_iterator it = vec.begin(); |
93 it != vec.end(); | 93 it != vec.end(); ++it) { |
94 ++it) { | |
95 const std::size_t found = it->find("="); | 94 const std::size_t found = it->find("="); |
96 if (found != std::string::npos) { | 95 if (found != std::string::npos) { |
97 if (it->substr(0, found) == test) { | 96 if (it->substr(0, found) == test) { |
98 return it->substr(found + 1); | 97 return it->substr(found + 1); |
99 } | 98 } |
100 } | 99 } |
101 } | 100 } |
102 return std::string(); | 101 return std::string(); |
103 } | 102 } |
104 | 103 |
105 class ChromeConfigurator : public Configurator { | 104 } // namespace |
106 public: | |
107 ChromeConfigurator(const base::CommandLine* cmdline, | |
108 net::URLRequestContextGetter* url_request_getter); | |
109 | 105 |
110 int InitialDelay() const override; | 106 DefaultConfigurator::DefaultConfigurator( |
111 int NextCheckDelay() const override; | |
112 int StepDelay() const override; | |
113 int OnDemandDelay() const override; | |
114 int UpdateDelay() const override; | |
115 std::vector<GURL> UpdateUrl() const override; | |
116 std::vector<GURL> PingUrl() const override; | |
117 base::Version GetBrowserVersion() const override; | |
118 std::string GetChannel() const override; | |
119 std::string GetLang() const override; | |
120 std::string GetOSLongName() const override; | |
121 std::string ExtraRequestParams() const override; | |
122 net::URLRequestContextGetter* RequestContext() const override; | |
123 scoped_refptr<OutOfProcessPatcher> CreateOutOfProcessPatcher() const override; | |
124 bool DeltasEnabled() const override; | |
125 bool UseBackgroundDownloader() const override; | |
126 scoped_refptr<base::SequencedTaskRunner> GetSequencedTaskRunner() | |
127 const override; | |
128 scoped_refptr<base::SingleThreadTaskRunner> GetSingleThreadTaskRunner() | |
129 const override; | |
130 | |
131 private: | |
132 friend class base::RefCountedThreadSafe<ChromeConfigurator>; | |
133 | |
134 ~ChromeConfigurator() override {} | |
135 | |
136 net::URLRequestContextGetter* url_request_getter_; | |
137 std::string extra_info_; | |
138 GURL url_source_override_; | |
139 bool fast_update_; | |
140 bool pings_enabled_; | |
141 bool deltas_enabled_; | |
142 bool background_downloads_enabled_; | |
143 bool fallback_to_alt_source_url_enabled_; | |
144 }; | |
145 | |
146 ChromeConfigurator::ChromeConfigurator( | |
147 const base::CommandLine* cmdline, | 107 const base::CommandLine* cmdline, |
148 net::URLRequestContextGetter* url_request_getter) | 108 net::URLRequestContextGetter* url_request_getter) |
149 : url_request_getter_(url_request_getter), | 109 : url_request_getter_(url_request_getter), |
150 fast_update_(false), | 110 fast_update_(false), |
151 pings_enabled_(false), | 111 pings_enabled_(false), |
152 deltas_enabled_(false), | 112 deltas_enabled_(false), |
153 background_downloads_enabled_(false), | 113 background_downloads_enabled_(false), |
154 fallback_to_alt_source_url_enabled_(false) { | 114 fallback_to_alt_source_url_enabled_(false) { |
155 // Parse comma-delimited debug flags. | 115 // Parse comma-delimited debug flags. |
156 std::vector<std::string> switch_values = base::SplitString( | 116 std::vector<std::string> switch_values = base::SplitString( |
157 cmdline->GetSwitchValueASCII(switches::kComponentUpdater), | 117 cmdline->GetSwitchValueASCII(switches::kComponentUpdater), ",", |
158 ",", base::KEEP_WHITESPACE, base::SPLIT_WANT_NONEMPTY); | 118 base::KEEP_WHITESPACE, base::SPLIT_WANT_NONEMPTY); |
159 fast_update_ = HasSwitchValue(switch_values, kSwitchFastUpdate); | 119 fast_update_ = HasSwitchValue(switch_values, kSwitchFastUpdate); |
160 pings_enabled_ = !HasSwitchValue(switch_values, kSwitchDisablePings); | 120 pings_enabled_ = !HasSwitchValue(switch_values, kSwitchDisablePings); |
161 deltas_enabled_ = !HasSwitchValue(switch_values, kSwitchDisableDeltaUpdates); | 121 deltas_enabled_ = !HasSwitchValue(switch_values, kSwitchDisableDeltaUpdates); |
162 | 122 |
163 #if defined(OS_WIN) | 123 #if defined(OS_WIN) |
164 background_downloads_enabled_ = | 124 background_downloads_enabled_ = |
165 !HasSwitchValue(switch_values, kSwitchDisableBackgroundDownloads); | 125 !HasSwitchValue(switch_values, kSwitchDisableBackgroundDownloads); |
166 #else | 126 #else |
167 background_downloads_enabled_ = false; | 127 background_downloads_enabled_ = false; |
168 #endif | 128 #endif |
169 | 129 |
170 const std::string switch_url_source = | 130 const std::string switch_url_source = |
171 GetSwitchArgument(switch_values, kSwitchUrlSource); | 131 GetSwitchArgument(switch_values, kSwitchUrlSource); |
172 if (!switch_url_source.empty()) { | 132 if (!switch_url_source.empty()) { |
173 url_source_override_ = GURL(switch_url_source); | 133 url_source_override_ = GURL(switch_url_source); |
174 DCHECK(url_source_override_.is_valid()); | 134 DCHECK(url_source_override_.is_valid()); |
175 } | 135 } |
176 | 136 |
177 if (HasSwitchValue(switch_values, kSwitchRequestParam)) | 137 if (HasSwitchValue(switch_values, kSwitchRequestParam)) |
178 extra_info_ += "testrequest=\"1\""; | 138 extra_info_ += "testrequest=\"1\""; |
179 | 139 |
180 fallback_to_alt_source_url_enabled_ = CanUseAltUrlSource(); | 140 fallback_to_alt_source_url_enabled_ = CanUseAltUrlSource(); |
181 } | 141 } |
182 | 142 |
183 int ChromeConfigurator::InitialDelay() const { | 143 int DefaultConfigurator::InitialDelay() const { |
184 return fast_update_ ? 10 : (6 * kDelayOneMinute); | 144 return fast_update_ ? 10 : (6 * kDelayOneMinute); |
185 } | 145 } |
186 | 146 |
187 int ChromeConfigurator::NextCheckDelay() const { | 147 int DefaultConfigurator::NextCheckDelay() const { |
188 return fast_update_ ? 60 : (6 * kDelayOneHour); | 148 return fast_update_ ? 60 : (6 * kDelayOneHour); |
189 } | 149 } |
190 | 150 |
191 int ChromeConfigurator::StepDelay() const { | 151 int DefaultConfigurator::StepDelay() const { |
192 return fast_update_ ? 1 : 1; | 152 return fast_update_ ? 1 : 1; |
193 } | 153 } |
194 | 154 |
195 int ChromeConfigurator::OnDemandDelay() const { | 155 int DefaultConfigurator::OnDemandDelay() const { |
196 return fast_update_ ? 2 : (30 * kDelayOneMinute); | 156 return fast_update_ ? 2 : (30 * kDelayOneMinute); |
197 } | 157 } |
198 | 158 |
199 int ChromeConfigurator::UpdateDelay() const { | 159 int DefaultConfigurator::UpdateDelay() const { |
200 return fast_update_ ? 10 : (15 * kDelayOneMinute); | 160 return fast_update_ ? 10 : (15 * kDelayOneMinute); |
201 } | 161 } |
202 | 162 |
203 std::vector<GURL> ChromeConfigurator::UpdateUrl() const { | 163 std::vector<GURL> DefaultConfigurator::UpdateUrl() const { |
204 std::vector<GURL> urls; | 164 std::vector<GURL> urls; |
205 if (url_source_override_.is_valid()) { | 165 if (url_source_override_.is_valid()) { |
206 urls.push_back(GURL(url_source_override_)); | 166 urls.push_back(GURL(url_source_override_)); |
207 } else { | 167 } else { |
208 urls.push_back(GURL(kUpdaterDefaultUrl)); | 168 urls.push_back(GURL(kUpdaterDefaultUrl)); |
209 if (fallback_to_alt_source_url_enabled_) { | 169 if (fallback_to_alt_source_url_enabled_) { |
210 urls.push_back(GURL(kUpdaterAltUrl)); | 170 urls.push_back(GURL(kUpdaterAltUrl)); |
211 } | 171 } |
212 } | 172 } |
213 return urls; | 173 return urls; |
214 } | 174 } |
215 | 175 |
216 std::vector<GURL> ChromeConfigurator::PingUrl() const { | 176 std::vector<GURL> DefaultConfigurator::PingUrl() const { |
217 return pings_enabled_ ? UpdateUrl() : std::vector<GURL>(); | 177 return pings_enabled_ ? UpdateUrl() : std::vector<GURL>(); |
218 } | 178 } |
219 | 179 |
220 base::Version ChromeConfigurator::GetBrowserVersion() const { | 180 base::Version DefaultConfigurator::GetBrowserVersion() const { |
221 return base::Version(version_info::GetVersionNumber()); | 181 return base::Version(version_info::GetVersionNumber()); |
222 } | 182 } |
223 | 183 |
224 std::string ChromeConfigurator::GetChannel() const { | 184 std::string DefaultConfigurator::GetOSLongName() const { |
225 return ChromeUpdateQueryParamsDelegate::GetChannelString(); | |
226 } | |
227 | |
228 std::string ChromeConfigurator::GetLang() const { | |
229 return ChromeUpdateQueryParamsDelegate::GetLang(); | |
230 } | |
231 | |
232 std::string ChromeConfigurator::GetOSLongName() const { | |
233 return version_info::GetOSType(); | 185 return version_info::GetOSType(); |
234 } | 186 } |
235 | 187 |
236 std::string ChromeConfigurator::ExtraRequestParams() const { | 188 std::string DefaultConfigurator::ExtraRequestParams() const { |
237 return extra_info_; | 189 return extra_info_; |
238 } | 190 } |
239 | 191 |
240 net::URLRequestContextGetter* ChromeConfigurator::RequestContext() const { | 192 net::URLRequestContextGetter* DefaultConfigurator::RequestContext() const { |
241 return url_request_getter_; | 193 return url_request_getter_; |
242 } | 194 } |
243 | 195 |
244 scoped_refptr<OutOfProcessPatcher> | 196 bool DefaultConfigurator::DeltasEnabled() const { |
245 ChromeConfigurator::CreateOutOfProcessPatcher() const { | |
246 return make_scoped_refptr(new ChromeOutOfProcessPatcher); | |
247 } | |
248 | |
249 bool ChromeConfigurator::DeltasEnabled() const { | |
250 return deltas_enabled_; | 197 return deltas_enabled_; |
251 } | 198 } |
252 | 199 |
253 bool ChromeConfigurator::UseBackgroundDownloader() const { | 200 bool DefaultConfigurator::UseBackgroundDownloader() const { |
254 return background_downloads_enabled_; | 201 return background_downloads_enabled_; |
255 } | 202 } |
256 | 203 |
257 scoped_refptr<base::SequencedTaskRunner> | |
258 ChromeConfigurator::GetSequencedTaskRunner() const { | |
259 return content::BrowserThread::GetBlockingPool() | |
260 ->GetSequencedTaskRunnerWithShutdownBehavior( | |
261 content::BrowserThread::GetBlockingPool()->GetSequenceToken(), | |
262 base::SequencedWorkerPool::SKIP_ON_SHUTDOWN); | |
263 } | |
264 | |
265 scoped_refptr<base::SingleThreadTaskRunner> | |
266 ChromeConfigurator::GetSingleThreadTaskRunner() const { | |
267 return content::BrowserThread::GetMessageLoopProxyForThread( | |
268 content::BrowserThread::FILE); | |
269 } | |
270 | |
271 } // namespace | |
272 | |
273 scoped_refptr<update_client::Configurator> | |
274 MakeChromeComponentUpdaterConfigurator( | |
275 const base::CommandLine* cmdline, | |
276 net::URLRequestContextGetter* context_getter) { | |
277 return new ChromeConfigurator(cmdline, context_getter); | |
278 } | |
279 | |
280 } // namespace component_updater | 204 } // namespace component_updater |
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