Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 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 |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #include "chrome/browser/net/chrome_network_delegate.h" |
| 6 | |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 7 | #include <stdlib.h> |
| 8 | |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 9 | #include <vector> |
| 10 | |
| 11 | #include "base/base_paths.h" |
| 12 | #include "base/logging.h" |
| 13 | #include "base/metrics/histogram.h" |
| 14 | #include "base/path_service.h" |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 15 | #include "base/prefs/pref_member.h" |
| 16 | #include "base/prefs/pref_service.h" |
| 17 | #include "base/strings/string_number_conversions.h" |
| 18 | #include "base/strings/string_split.h" |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 19 | #include "chrome/browser/browser_process.h" |
| 20 | #include "chrome/browser/content_settings/cookie_settings.h" |
| 21 | #include "chrome/browser/content_settings/tab_specific_content_settings.h" |
| 22 | #include "chrome/browser/custom_handlers/protocol_handler_registry.h" |
| 23 | #include "chrome/browser/extensions/api/proxy/proxy_api.h" |
| 24 | #include "chrome/browser/extensions/api/web_request/web_request_api.h" |
| 25 | #include "chrome/browser/extensions/event_router_forwarder.h" |
| 26 | #include "chrome/browser/extensions/extension_info_map.h" |
| 27 | #include "chrome/browser/extensions/extension_process_manager.h" |
| 28 | #include "chrome/browser/extensions/extension_system.h" |
| 29 | #include "chrome/browser/google/google_util.h" |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 30 | #include "chrome/browser/net/connect_interceptor.h" |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 31 | #include "chrome/browser/net/load_time_stats.h" |
| 32 | #include "chrome/browser/performance_monitor/performance_monitor.h" |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 33 | #include "chrome/browser/prefs/scoped_user_pref_update.h" |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 34 | #include "chrome/browser/profiles/profile_manager.h" |
| 35 | #include "chrome/browser/task_manager/task_manager.h" |
| 36 | #include "chrome/common/pref_names.h" |
| 37 | #include "chrome/common/url_constants.h" |
| 38 | #include "content/public/browser/browser_thread.h" |
| 39 | #include "content/public/browser/render_view_host.h" |
| 40 | #include "content/public/browser/resource_request_info.h" |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 41 | #include "extensions/common/constants.h" |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 42 | #include "net/base/host_port_pair.h" |
| 43 | #include "net/base/net_errors.h" |
| 44 | #include "net/base/net_log.h" |
| 45 | #include "net/cookies/canonical_cookie.h" |
| 46 | #include "net/cookies/cookie_options.h" |
| 47 | #include "net/http/http_request_headers.h" |
| 48 | #include "net/http/http_response_headers.h" |
| 49 | #include "net/socket_stream/socket_stream.h" |
| 50 | #include "net/url_request/url_request.h" |
| 51 | |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 52 | #if defined(OS_CHROMEOS) |
| 53 | #include "base/chromeos/chromeos_version.h" |
| 54 | #include "base/command_line.h" |
| 55 | #include "chrome/common/chrome_switches.h" |
| 56 | #endif |
| 57 | |
| 58 | #if defined(ENABLE_CONFIGURATION_POLICY) |
| 59 | #include "chrome/browser/policy/url_blacklist_manager.h" |
| 60 | #endif |
| 61 | |
| 62 | using content::BrowserThread; |
| 63 | using content::RenderViewHost; |
| 64 | using content::ResourceRequestInfo; |
| 65 | |
| 66 | // By default we don't allow access to all file:// urls on ChromeOS and |
| 67 | // Android. |
| 68 | #if defined(OS_CHROMEOS) || defined(OS_ANDROID) |
| 69 | bool ChromeNetworkDelegate::g_allow_file_access_ = false; |
| 70 | #else |
| 71 | bool ChromeNetworkDelegate::g_allow_file_access_ = true; |
| 72 | #endif |
| 73 | |
| 74 | // This remains false unless the --disable-extensions-http-throttling |
| 75 | // flag is passed to the browser. |
| 76 | bool ChromeNetworkDelegate::g_never_throttle_requests_ = false; |
| 77 | |
| 78 | namespace { |
| 79 | |
| 80 | const char kDNTHeader[] = "DNT"; |
| 81 | |
| 82 | // If the |request| failed due to problems with a proxy, forward the error to |
| 83 | // the proxy extension API. |
| 84 | void ForwardProxyErrors(net::URLRequest* request, |
| 85 | extensions::EventRouterForwarder* event_router, |
| 86 | void* profile) { |
| 87 | if (request->status().status() == net::URLRequestStatus::FAILED) { |
| 88 | switch (request->status().error()) { |
| 89 | case net::ERR_PROXY_AUTH_UNSUPPORTED: |
| 90 | case net::ERR_PROXY_CONNECTION_FAILED: |
| 91 | case net::ERR_TUNNEL_CONNECTION_FAILED: |
| 92 | extensions::ProxyEventRouter::GetInstance()->OnProxyError( |
| 93 | event_router, profile, request->status().error()); |
| 94 | } |
| 95 | } |
| 96 | } |
| 97 | |
| 98 | // Returns whether a URL parameter, |first_parameter| (e.g. foo=bar), has the |
| 99 | // same key as the the |second_parameter| (e.g. foo=baz). Both parameters |
| 100 | // must be in key=value form. |
| 101 | bool HasSameParameterKey(const std::string& first_parameter, |
| 102 | const std::string& second_parameter) { |
| 103 | DCHECK(second_parameter.find("=") != std::string::npos); |
| 104 | // Prefix for "foo=bar" is "foo=". |
| 105 | std::string parameter_prefix = second_parameter.substr( |
| 106 | 0, second_parameter.find("=") + 1); |
| 107 | return StartsWithASCII(first_parameter, parameter_prefix, false); |
| 108 | } |
| 109 | |
| 110 | // Examines the query string containing parameters and adds the necessary ones |
| 111 | // so that SafeSearch is active. |query| is the string to examine and the |
| 112 | // return value is the |query| string modified such that SafeSearch is active. |
| 113 | std::string AddSafeSearchParameters(const std::string& query) { |
| 114 | std::vector<std::string> new_parameters; |
| 115 | std::string safe_parameter = chrome::kSafeSearchSafeParameter; |
| 116 | std::string ssui_parameter = chrome::kSafeSearchSsuiParameter; |
| 117 | |
| 118 | std::vector<std::string> parameters; |
| 119 | base::SplitString(query, '&', ¶meters); |
| 120 | |
| 121 | std::vector<std::string>::iterator it; |
| 122 | for (it = parameters.begin(); it < parameters.end(); ++it) { |
| 123 | if (!HasSameParameterKey(*it, safe_parameter) && |
| 124 | !HasSameParameterKey(*it, ssui_parameter)) { |
| 125 | new_parameters.push_back(*it); |
| 126 | } |
| 127 | } |
| 128 | |
| 129 | new_parameters.push_back(safe_parameter); |
| 130 | new_parameters.push_back(ssui_parameter); |
| 131 | return JoinString(new_parameters, '&'); |
| 132 | } |
| 133 | |
| 134 | // If |request| is a request to Google Web Search the function |
| 135 | // enforces that the SafeSearch query parameters are set to active. |
| 136 | // Sets the query part of |new_url| with the new value of the parameters. |
| 137 | void ForceGoogleSafeSearch(net::URLRequest* request, |
| 138 | GURL* new_url) { |
Ben Murdoch | eb525c5 | 2013-07-10 11:40:50 +0100 | [diff] [blame] | 139 | if (!google_util::IsGoogleSearchUrl(request->url()) && |
| 140 | !google_util::IsGoogleHomePageUrl(request->url())) |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 141 | return; |
| 142 | |
| 143 | std::string query = request->url().query(); |
| 144 | std::string new_query = AddSafeSearchParameters(query); |
| 145 | if (query == new_query) |
| 146 | return; |
| 147 | |
| 148 | GURL::Replacements replacements; |
| 149 | replacements.SetQueryStr(new_query); |
| 150 | *new_url = request->url().ReplaceComponents(replacements); |
| 151 | } |
| 152 | |
| 153 | // Gets called when the extensions finish work on the URL. If the extensions |
| 154 | // did not do a redirect (so |new_url| is empty) then we enforce the |
| 155 | // SafeSearch parameters. Otherwise we will get called again after the |
| 156 | // redirect and we enforce SafeSearch then. |
| 157 | void ForceGoogleSafeSearchCallbackWrapper( |
| 158 | const net::CompletionCallback& callback, |
| 159 | net::URLRequest* request, |
| 160 | GURL* new_url, |
| 161 | int rv) { |
| 162 | if (rv == net::OK && new_url->is_empty()) |
| 163 | ForceGoogleSafeSearch(request, new_url); |
| 164 | callback.Run(rv); |
| 165 | } |
| 166 | |
| 167 | enum RequestStatus { REQUEST_STARTED, REQUEST_DONE }; |
| 168 | |
| 169 | // Notifies the ExtensionProcessManager that a request has started or stopped |
| 170 | // for a particular RenderView. |
| 171 | void NotifyEPMRequestStatus(RequestStatus status, |
| 172 | void* profile_id, |
| 173 | int process_id, |
| 174 | int render_view_id) { |
| 175 | DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); |
| 176 | Profile* profile = reinterpret_cast<Profile*>(profile_id); |
| 177 | if (!g_browser_process->profile_manager()->IsValidProfile(profile)) |
| 178 | return; |
| 179 | |
| 180 | ExtensionProcessManager* extension_process_manager = |
| 181 | extensions::ExtensionSystem::Get(profile)->process_manager(); |
| 182 | // This may be NULL in unit tests. |
| 183 | if (!extension_process_manager) |
| 184 | return; |
| 185 | |
| 186 | // Will be NULL if the request was not issued on behalf of a renderer (e.g. a |
| 187 | // system-level request). |
| 188 | RenderViewHost* render_view_host = |
| 189 | RenderViewHost::FromID(process_id, render_view_id); |
| 190 | if (render_view_host) { |
| 191 | if (status == REQUEST_STARTED) { |
| 192 | extension_process_manager->OnNetworkRequestStarted(render_view_host); |
| 193 | } else if (status == REQUEST_DONE) { |
| 194 | extension_process_manager->OnNetworkRequestDone(render_view_host); |
| 195 | } else { |
| 196 | NOTREACHED(); |
| 197 | } |
| 198 | } |
| 199 | } |
| 200 | |
| 201 | void ForwardRequestStatus( |
| 202 | RequestStatus status, net::URLRequest* request, void* profile_id) { |
| 203 | const ResourceRequestInfo* info = ResourceRequestInfo::ForRequest(request); |
| 204 | if (!info) |
| 205 | return; |
| 206 | |
| 207 | int process_id, render_view_id; |
| 208 | if (info->GetAssociatedRenderView(&process_id, &render_view_id)) { |
| 209 | BrowserThread::PostTask(BrowserThread::UI, FROM_HERE, |
| 210 | base::Bind(&NotifyEPMRequestStatus, |
| 211 | status, profile_id, process_id, render_view_id)); |
| 212 | } |
| 213 | } |
| 214 | |
Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 215 | #if defined(OS_ANDROID) || defined(OS_IOS) |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 216 | // Increments an int64, stored as a string, in a ListPref at the specified |
| 217 | // index. The value must already exist and be a string representation of a |
| 218 | // number. |
| 219 | void AddInt64ToListPref(size_t index, int64 length, |
Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 220 | base::ListValue* list_update) { |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 221 | int64 value = 0; |
| 222 | std::string old_string_value; |
| 223 | bool rv = list_update->GetString(index, &old_string_value); |
| 224 | DCHECK(rv); |
| 225 | if (rv) { |
| 226 | rv = base::StringToInt64(old_string_value, &value); |
| 227 | DCHECK(rv); |
| 228 | } |
| 229 | value += length; |
| 230 | list_update->Set(index, Value::CreateStringValue(base::Int64ToString(value))); |
| 231 | } |
Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 232 | |
| 233 | int64 ListPrefInt64Value(const base::ListValue& list_update, size_t index) { |
| 234 | std::string string_value; |
| 235 | if (!list_update.GetString(index, &string_value)) |
| 236 | return 0; |
| 237 | |
| 238 | int64 value = 0; |
| 239 | bool rv = base::StringToInt64(string_value, &value); |
| 240 | DCHECK(rv); |
| 241 | return value; |
| 242 | } |
| 243 | |
| 244 | void RecordDailyContentLengthHistograms( |
| 245 | int64 original_length, |
| 246 | int64 received_length, |
| 247 | int64 length_with_data_reduction_enabled, |
| 248 | int64 length_via_data_reduction_proxy) { |
| 249 | // Record metrics in KB. |
| 250 | UMA_HISTOGRAM_COUNTS( |
| 251 | "Net.DailyHttpOriginalContentLength", original_length >> 10); |
| 252 | UMA_HISTOGRAM_COUNTS( |
| 253 | "Net.DailyHttpReceivedContentLength", received_length >> 10); |
| 254 | UMA_HISTOGRAM_COUNTS( |
| 255 | "Net.DailyHttpContentLengthWithDataReductionProxyEnabled", |
| 256 | length_with_data_reduction_enabled >> 10); |
| 257 | UMA_HISTOGRAM_COUNTS( |
| 258 | "Net.DailyHttpContentLengthViaDataReductionProxy", |
| 259 | length_via_data_reduction_proxy >> 10); |
| 260 | |
| 261 | if (original_length > 0 && received_length > 0) { |
| 262 | int percent = (100 * (original_length - received_length)) / original_length; |
| 263 | // UMA percentage cannot be negative. |
| 264 | if (percent < 0) |
| 265 | percent = 0; |
| 266 | UMA_HISTOGRAM_PERCENTAGE("Net.DailyHttpContentSavings", percent); |
| 267 | // If the data reduction proxy is enabled for some responses. |
| 268 | if (length_with_data_reduction_enabled > 0) { |
| 269 | UMA_HISTOGRAM_PERCENTAGE( |
| 270 | "Net.DailyHttpContentSavings_DataReductionProxy", percent); |
| 271 | } |
| 272 | } |
| 273 | if (received_length > 0 && length_with_data_reduction_enabled >= 0) { |
| 274 | DCHECK_GE(received_length, length_with_data_reduction_enabled); |
| 275 | UMA_HISTOGRAM_PERCENTAGE( |
| 276 | "Net.DailyReceivedContentWithDataReductionProxyEnabled", |
| 277 | (100 * length_with_data_reduction_enabled) / received_length); |
| 278 | } |
| 279 | if (received_length > 0 && |
| 280 | length_via_data_reduction_proxy >= 0) { |
| 281 | DCHECK_GE(received_length, length_via_data_reduction_proxy); |
| 282 | UMA_HISTOGRAM_PERCENTAGE( |
| 283 | "Net.DailyReceivedContentViaDataReductionProxy", |
| 284 | (100 * length_via_data_reduction_proxy) / received_length); |
| 285 | } |
| 286 | } |
| 287 | |
| 288 | #endif // defined(OS_ANDROID) || defined(OS_IOS) |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 289 | |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 290 | void UpdateContentLengthPrefs(int received_content_length, |
Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 291 | int original_content_length, |
| 292 | bool data_reduction_proxy_was_used) { |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 293 | DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); |
| 294 | DCHECK_GE(received_content_length, 0); |
| 295 | DCHECK_GE(original_content_length, 0); |
| 296 | |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 297 | // Can be NULL in a unit test. |
| 298 | if (!g_browser_process) |
| 299 | return; |
| 300 | |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 301 | PrefService* prefs = g_browser_process->local_state(); |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 302 | if (!prefs) |
| 303 | return; |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 304 | |
| 305 | int64 total_received = prefs->GetInt64(prefs::kHttpReceivedContentLength); |
| 306 | int64 total_original = prefs->GetInt64(prefs::kHttpOriginalContentLength); |
| 307 | total_received += received_content_length; |
| 308 | total_original += original_content_length; |
| 309 | prefs->SetInt64(prefs::kHttpReceivedContentLength, total_received); |
| 310 | prefs->SetInt64(prefs::kHttpOriginalContentLength, total_original); |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 311 | |
Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 312 | #if defined(OS_ANDROID) || defined(OS_IOS) |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 313 | base::Time now = base::Time::Now().LocalMidnight(); |
| 314 | const size_t kNumDaysInHistory = 60; |
| 315 | |
| 316 | // Each day, we calculate the total number of bytes received and the total |
| 317 | // size of all corresponding resources before any data-reducing recompression |
| 318 | // is applied. These values are used to compute the data savings realized |
| 319 | // by applying our compression techniques. Totals for the last |
| 320 | // |kNumDaysInHistory| days are maintained. |
| 321 | ListPrefUpdate original_update(prefs, prefs::kDailyHttpOriginalContentLength); |
| 322 | ListPrefUpdate received_update(prefs, prefs::kDailyHttpReceivedContentLength); |
Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 323 | ListPrefUpdate data_reduction_enabled_update( |
| 324 | prefs, |
| 325 | prefs::kDailyHttpReceivedContentLengthWithDataReductionProxyEnabled); |
| 326 | ListPrefUpdate via_data_reduction_update( |
| 327 | prefs, prefs::kDailyHttpReceivedContentLengthViaDataReductionProxy); |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 328 | |
| 329 | // Determine how many days it has been since the last update. |
| 330 | int64 then_internal = prefs->GetInt64( |
| 331 | prefs::kDailyHttpContentLengthLastUpdateDate); |
| 332 | base::Time then = base::Time::FromInternalValue(then_internal); |
| 333 | int days_since_last_update = (now - then).InDays(); |
| 334 | |
| 335 | if (days_since_last_update) { |
| 336 | // Record the last update time. |
| 337 | prefs->SetInt64(prefs::kDailyHttpContentLengthLastUpdateDate, |
| 338 | now.ToInternalValue()); |
| 339 | |
| 340 | if (days_since_last_update == -1) { |
| 341 | // The system may go backwards in time by up to a day for legitimate |
| 342 | // reasons, such as with changes to the time zone. In such cases the |
| 343 | // history is likely still valid. Shift backwards one day and retain all |
| 344 | // values. |
| 345 | original_update->Remove(kNumDaysInHistory - 1, NULL); |
| 346 | received_update->Remove(kNumDaysInHistory - 1, NULL); |
Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 347 | data_reduction_enabled_update->Remove(kNumDaysInHistory - 1, NULL); |
| 348 | via_data_reduction_update->Remove(kNumDaysInHistory - 1, NULL); |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 349 | original_update->Insert(0, new StringValue(base::Int64ToString(0))); |
| 350 | received_update->Insert(0, new StringValue(base::Int64ToString(0))); |
Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 351 | data_reduction_enabled_update->Insert( |
| 352 | 0, new StringValue(base::Int64ToString(0))); |
| 353 | via_data_reduction_update->Insert( |
| 354 | 0, new StringValue(base::Int64ToString(0))); |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 355 | days_since_last_update = 0; |
| 356 | |
| 357 | } else if (days_since_last_update < -1) { |
| 358 | // Erase all entries if the system went backwards in time by more than |
| 359 | // a day. |
| 360 | original_update->Clear(); |
Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 361 | received_update->Clear(); |
| 362 | data_reduction_enabled_update->Clear(); |
| 363 | via_data_reduction_update->Clear(); |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 364 | days_since_last_update = kNumDaysInHistory; |
| 365 | } |
| 366 | |
Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 367 | // A new day. Report the previous day's data if exists. We'll lose usage |
| 368 | // data if Chrome isn't run for a day. Here, we prefer collecting less data |
| 369 | // but the collected data are associated with an accurate date. |
| 370 | if (days_since_last_update == 1) { |
| 371 | RecordDailyContentLengthHistograms( |
| 372 | ListPrefInt64Value(*original_update, original_update->GetSize() - 1), |
| 373 | ListPrefInt64Value(*received_update, received_update->GetSize() - 1), |
| 374 | ListPrefInt64Value(*data_reduction_enabled_update, |
| 375 | data_reduction_enabled_update->GetSize() - 1), |
| 376 | ListPrefInt64Value(*via_data_reduction_update, |
| 377 | via_data_reduction_update->GetSize() - 1)); |
| 378 | } |
| 379 | |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 380 | // Add entries for days since last update. |
| 381 | for (int i = 0; |
| 382 | i < days_since_last_update && i < static_cast<int>(kNumDaysInHistory); |
| 383 | ++i) { |
| 384 | original_update->AppendString(base::Int64ToString(0)); |
| 385 | received_update->AppendString(base::Int64ToString(0)); |
Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 386 | data_reduction_enabled_update->AppendString(base::Int64ToString(0)); |
| 387 | via_data_reduction_update->AppendString(base::Int64ToString(0)); |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 388 | } |
| 389 | |
| 390 | // Maintain the invariant that there should never be more than |
| 391 | // |kNumDaysInHistory| days in the histories. |
| 392 | while (original_update->GetSize() > kNumDaysInHistory) |
| 393 | original_update->Remove(0, NULL); |
| 394 | while (received_update->GetSize() > kNumDaysInHistory) |
| 395 | received_update->Remove(0, NULL); |
Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 396 | while (data_reduction_enabled_update->GetSize() > kNumDaysInHistory) |
| 397 | data_reduction_enabled_update->Remove(0, NULL); |
| 398 | while (via_data_reduction_update->GetSize() > kNumDaysInHistory) |
| 399 | via_data_reduction_update->Remove(0, NULL); |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 400 | } |
Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 401 | |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 402 | DCHECK_EQ(kNumDaysInHistory, original_update->GetSize()); |
| 403 | DCHECK_EQ(kNumDaysInHistory, received_update->GetSize()); |
Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 404 | DCHECK_EQ(kNumDaysInHistory, data_reduction_enabled_update->GetSize()); |
| 405 | DCHECK_EQ(kNumDaysInHistory, via_data_reduction_update->GetSize()); |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 406 | |
| 407 | // Update the counts for the current day. |
| 408 | AddInt64ToListPref(kNumDaysInHistory - 1, |
Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 409 | original_content_length, original_update.Get()); |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 410 | AddInt64ToListPref(kNumDaysInHistory - 1, |
Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 411 | received_content_length, received_update.Get()); |
| 412 | |
| 413 | if (g_browser_process->profile_manager()->GetDefaultProfile()-> |
| 414 | GetPrefs()->GetBoolean(prefs::kSpdyProxyAuthEnabled)) { |
| 415 | AddInt64ToListPref(kNumDaysInHistory - 1, |
| 416 | received_content_length, |
| 417 | data_reduction_enabled_update.Get()); |
| 418 | } |
| 419 | if (data_reduction_proxy_was_used) { |
| 420 | AddInt64ToListPref(kNumDaysInHistory - 1, |
| 421 | received_content_length, |
| 422 | via_data_reduction_update.Get()); |
| 423 | } |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 424 | #endif |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 425 | } |
| 426 | |
| 427 | void StoreAccumulatedContentLength(int received_content_length, |
Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 428 | int original_content_length, |
| 429 | bool data_reduction_proxy_was_used) { |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 430 | BrowserThread::PostTask(BrowserThread::UI, FROM_HERE, |
| 431 | base::Bind(&UpdateContentLengthPrefs, |
Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 432 | received_content_length, original_content_length, |
| 433 | data_reduction_proxy_was_used)); |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 434 | } |
| 435 | |
| 436 | void RecordContentLengthHistograms( |
Ben Murdoch | eb525c5 | 2013-07-10 11:40:50 +0100 | [diff] [blame] | 437 | int64 received_content_length, |
| 438 | int64 original_content_length, |
Torne (Richard Coles) | 7d4cd47 | 2013-06-19 11:58:07 +0100 | [diff] [blame] | 439 | const base::TimeDelta& freshness_lifetime) { |
Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 440 | #if defined(OS_ANDROID) || defined(OS_IOS) |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 441 | // Add the current resource to these histograms only when a valid |
| 442 | // X-Original-Content-Length header is present. |
| 443 | if (original_content_length >= 0) { |
| 444 | UMA_HISTOGRAM_COUNTS("Net.HttpContentLengthWithValidOCL", |
| 445 | received_content_length); |
| 446 | UMA_HISTOGRAM_COUNTS("Net.HttpOriginalContentLengthWithValidOCL", |
| 447 | original_content_length); |
| 448 | UMA_HISTOGRAM_COUNTS("Net.HttpContentLengthDifferenceWithValidOCL", |
| 449 | original_content_length - received_content_length); |
| 450 | } else { |
| 451 | // Presume the original content length is the same as the received content |
| 452 | // length if the X-Original-Content-Header is not present. |
| 453 | original_content_length = received_content_length; |
| 454 | } |
| 455 | UMA_HISTOGRAM_COUNTS("Net.HttpContentLength", received_content_length); |
| 456 | UMA_HISTOGRAM_COUNTS("Net.HttpOriginalContentLength", |
| 457 | original_content_length); |
| 458 | UMA_HISTOGRAM_COUNTS("Net.HttpContentLengthDifference", |
| 459 | original_content_length - received_content_length); |
Ben Murdoch | eb525c5 | 2013-07-10 11:40:50 +0100 | [diff] [blame] | 460 | UMA_HISTOGRAM_CUSTOM_COUNTS("Net.HttpContentFreshnessLifetime", |
| 461 | freshness_lifetime.InSeconds(), |
| 462 | base::TimeDelta::FromHours(1).InSeconds(), |
| 463 | base::TimeDelta::FromDays(30).InSeconds(), |
| 464 | 100); |
Torne (Richard Coles) | 7d4cd47 | 2013-06-19 11:58:07 +0100 | [diff] [blame] | 465 | if (freshness_lifetime.InSeconds() <= 0) |
| 466 | return; |
| 467 | UMA_HISTOGRAM_COUNTS("Net.HttpContentLengthCacheable", |
| 468 | received_content_length); |
| 469 | if (freshness_lifetime.InHours() < 4) |
| 470 | return; |
| 471 | UMA_HISTOGRAM_COUNTS("Net.HttpContentLengthCacheable4Hours", |
| 472 | received_content_length); |
| 473 | |
| 474 | if (freshness_lifetime.InHours() < 24) |
| 475 | return; |
| 476 | UMA_HISTOGRAM_COUNTS("Net.HttpContentLengthCacheable24Hours", |
| 477 | received_content_length); |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 478 | #endif |
| 479 | } |
| 480 | |
| 481 | } // namespace |
| 482 | |
| 483 | ChromeNetworkDelegate::ChromeNetworkDelegate( |
| 484 | extensions::EventRouterForwarder* event_router, |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 485 | BooleanPrefMember* enable_referrers) |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 486 | : event_router_(event_router), |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 487 | profile_(NULL), |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 488 | enable_referrers_(enable_referrers), |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 489 | enable_do_not_track_(NULL), |
| 490 | force_google_safe_search_(NULL), |
| 491 | url_blacklist_manager_(NULL), |
| 492 | load_time_stats_(NULL), |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 493 | received_content_length_(0), |
| 494 | original_content_length_(0) { |
| 495 | DCHECK(event_router); |
| 496 | DCHECK(enable_referrers); |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 497 | } |
| 498 | |
| 499 | ChromeNetworkDelegate::~ChromeNetworkDelegate() {} |
| 500 | |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 501 | void ChromeNetworkDelegate::set_extension_info_map( |
| 502 | ExtensionInfoMap* extension_info_map) { |
| 503 | extension_info_map_ = extension_info_map; |
| 504 | } |
| 505 | |
| 506 | void ChromeNetworkDelegate::set_cookie_settings( |
| 507 | CookieSettings* cookie_settings) { |
| 508 | cookie_settings_ = cookie_settings; |
| 509 | } |
| 510 | |
| 511 | void ChromeNetworkDelegate::set_predictor( |
| 512 | chrome_browser_net::Predictor* predictor) { |
| 513 | connect_interceptor_.reset( |
| 514 | new chrome_browser_net::ConnectInterceptor(predictor)); |
| 515 | } |
| 516 | |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 517 | // static |
| 518 | void ChromeNetworkDelegate::NeverThrottleRequests() { |
| 519 | g_never_throttle_requests_ = true; |
| 520 | } |
| 521 | |
| 522 | // static |
| 523 | void ChromeNetworkDelegate::InitializePrefsOnUIThread( |
| 524 | BooleanPrefMember* enable_referrers, |
| 525 | BooleanPrefMember* enable_do_not_track, |
| 526 | BooleanPrefMember* force_google_safe_search, |
| 527 | PrefService* pref_service) { |
| 528 | DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 529 | enable_referrers->Init(prefs::kEnableReferrers, pref_service); |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 530 | enable_referrers->MoveToThread( |
| 531 | BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO)); |
| 532 | if (enable_do_not_track) { |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 533 | enable_do_not_track->Init(prefs::kEnableDoNotTrack, pref_service); |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 534 | enable_do_not_track->MoveToThread( |
| 535 | BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO)); |
| 536 | } |
| 537 | if (force_google_safe_search) { |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 538 | force_google_safe_search->Init(prefs::kForceSafeSearch, pref_service); |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 539 | force_google_safe_search->MoveToThread( |
| 540 | BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO)); |
| 541 | } |
| 542 | } |
| 543 | |
| 544 | // static |
| 545 | void ChromeNetworkDelegate::AllowAccessToAllFiles() { |
| 546 | g_allow_file_access_ = true; |
| 547 | } |
| 548 | |
| 549 | // static |
| 550 | Value* ChromeNetworkDelegate::HistoricNetworkStatsInfoToValue() { |
| 551 | DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); |
| 552 | PrefService* prefs = g_browser_process->local_state(); |
| 553 | int64 total_received = prefs->GetInt64(prefs::kHttpReceivedContentLength); |
| 554 | int64 total_original = prefs->GetInt64(prefs::kHttpOriginalContentLength); |
| 555 | |
| 556 | DictionaryValue* dict = new DictionaryValue(); |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 557 | // Use strings to avoid overflow. base::Value only supports 32-bit integers. |
| 558 | dict->SetString("historic_received_content_length", |
| 559 | base::Int64ToString(total_received)); |
| 560 | dict->SetString("historic_original_content_length", |
| 561 | base::Int64ToString(total_original)); |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 562 | return dict; |
| 563 | } |
| 564 | |
| 565 | Value* ChromeNetworkDelegate::SessionNetworkStatsInfoToValue() const { |
| 566 | DictionaryValue* dict = new DictionaryValue(); |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 567 | // Use strings to avoid overflow. base::Value only supports 32-bit integers. |
| 568 | dict->SetString("session_received_content_length", |
| 569 | base::Int64ToString(received_content_length_)); |
| 570 | dict->SetString("session_original_content_length", |
| 571 | base::Int64ToString(original_content_length_)); |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 572 | return dict; |
| 573 | } |
| 574 | |
| 575 | int ChromeNetworkDelegate::OnBeforeURLRequest( |
| 576 | net::URLRequest* request, |
| 577 | const net::CompletionCallback& callback, |
| 578 | GURL* new_url) { |
| 579 | #if defined(ENABLE_CONFIGURATION_POLICY) |
| 580 | // TODO(joaodasilva): This prevents extensions from seeing URLs that are |
| 581 | // blocked. However, an extension might redirect the request to another URL, |
| 582 | // which is not blocked. |
| 583 | if (url_blacklist_manager_ && |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 584 | url_blacklist_manager_->IsRequestBlocked(*request)) { |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 585 | // URL access blocked by policy. |
| 586 | request->net_log().AddEvent( |
| 587 | net::NetLog::TYPE_CHROME_POLICY_ABORTED_REQUEST, |
| 588 | net::NetLog::StringCallback("url", |
| 589 | &request->url().possibly_invalid_spec())); |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 590 | return net::ERR_BLOCKED_BY_ADMINISTRATOR; |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 591 | } |
| 592 | #endif |
| 593 | |
| 594 | ForwardRequestStatus(REQUEST_STARTED, request, profile_); |
| 595 | |
| 596 | if (!enable_referrers_->GetValue()) |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 597 | request->SetReferrer(std::string()); |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 598 | if (enable_do_not_track_ && enable_do_not_track_->GetValue()) |
| 599 | request->SetExtraRequestHeaderByName(kDNTHeader, "1", true /* override */); |
| 600 | |
| 601 | bool force_safe_search = force_google_safe_search_ && |
| 602 | force_google_safe_search_->GetValue(); |
| 603 | |
| 604 | net::CompletionCallback wrapped_callback = callback; |
| 605 | if (force_safe_search) { |
| 606 | wrapped_callback = base::Bind(&ForceGoogleSafeSearchCallbackWrapper, |
| 607 | callback, |
| 608 | base::Unretained(request), |
| 609 | base::Unretained(new_url)); |
| 610 | } |
| 611 | |
| 612 | int rv = ExtensionWebRequestEventRouter::GetInstance()->OnBeforeRequest( |
| 613 | profile_, extension_info_map_.get(), request, wrapped_callback, |
| 614 | new_url); |
| 615 | |
| 616 | if (force_safe_search && rv == net::OK && new_url->is_empty()) |
| 617 | ForceGoogleSafeSearch(request, new_url); |
| 618 | |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 619 | if (connect_interceptor_) |
| 620 | connect_interceptor_->WitnessURLRequest(request); |
| 621 | |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 622 | return rv; |
| 623 | } |
| 624 | |
| 625 | int ChromeNetworkDelegate::OnBeforeSendHeaders( |
| 626 | net::URLRequest* request, |
| 627 | const net::CompletionCallback& callback, |
| 628 | net::HttpRequestHeaders* headers) { |
| 629 | return ExtensionWebRequestEventRouter::GetInstance()->OnBeforeSendHeaders( |
| 630 | profile_, extension_info_map_.get(), request, callback, headers); |
| 631 | } |
| 632 | |
| 633 | void ChromeNetworkDelegate::OnSendHeaders( |
| 634 | net::URLRequest* request, |
| 635 | const net::HttpRequestHeaders& headers) { |
| 636 | ExtensionWebRequestEventRouter::GetInstance()->OnSendHeaders( |
| 637 | profile_, extension_info_map_.get(), request, headers); |
| 638 | } |
| 639 | |
| 640 | int ChromeNetworkDelegate::OnHeadersReceived( |
| 641 | net::URLRequest* request, |
| 642 | const net::CompletionCallback& callback, |
| 643 | const net::HttpResponseHeaders* original_response_headers, |
| 644 | scoped_refptr<net::HttpResponseHeaders>* override_response_headers) { |
| 645 | return ExtensionWebRequestEventRouter::GetInstance()->OnHeadersReceived( |
| 646 | profile_, extension_info_map_.get(), request, callback, |
| 647 | original_response_headers, override_response_headers); |
| 648 | } |
| 649 | |
| 650 | void ChromeNetworkDelegate::OnBeforeRedirect(net::URLRequest* request, |
| 651 | const GURL& new_location) { |
| 652 | ExtensionWebRequestEventRouter::GetInstance()->OnBeforeRedirect( |
| 653 | profile_, extension_info_map_.get(), request, new_location); |
| 654 | } |
| 655 | |
| 656 | |
| 657 | void ChromeNetworkDelegate::OnResponseStarted(net::URLRequest* request) { |
| 658 | ExtensionWebRequestEventRouter::GetInstance()->OnResponseStarted( |
| 659 | profile_, extension_info_map_.get(), request); |
| 660 | ForwardProxyErrors(request, event_router_.get(), profile_); |
| 661 | } |
| 662 | |
| 663 | void ChromeNetworkDelegate::OnRawBytesRead(const net::URLRequest& request, |
| 664 | int bytes_read) { |
| 665 | performance_monitor::PerformanceMonitor::GetInstance()->BytesReadOnIOThread( |
| 666 | request, bytes_read); |
| 667 | |
| 668 | #if defined(ENABLE_TASK_MANAGER) |
| 669 | TaskManager::GetInstance()->model()->NotifyBytesRead(request, bytes_read); |
| 670 | #endif // defined(ENABLE_TASK_MANAGER) |
| 671 | } |
| 672 | |
| 673 | void ChromeNetworkDelegate::OnCompleted(net::URLRequest* request, |
| 674 | bool started) { |
| 675 | if (request->status().status() == net::URLRequestStatus::SUCCESS) { |
| 676 | // For better accuracy, we use the actual bytes read instead of the length |
| 677 | // specified with the Content-Length header, which may be inaccurate, |
| 678 | // or missing, as is the case with chunked encoding. |
| 679 | int64 received_content_length = request->received_response_content_length(); |
| 680 | |
| 681 | // Only record for http or https urls. |
| 682 | bool is_http = request->url().SchemeIs("http"); |
| 683 | bool is_https = request->url().SchemeIs("https"); |
| 684 | |
| 685 | if (!request->was_cached() && // Don't record cached content |
| 686 | received_content_length && // Zero-byte responses aren't useful. |
| 687 | (is_http || is_https)) { // Only record for HTTP or HTTPS urls. |
| 688 | int64 original_content_length = |
| 689 | request->response_info().headers->GetInt64HeaderValue( |
| 690 | "x-original-content-length"); |
Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 691 | bool data_reduction_proxy_was_used = |
| 692 | request->response_info().headers->HasHeaderValue( |
| 693 | "via", "1.1 Chrome Compression Proxy"); |
| 694 | |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 695 | // Since there was no indication of the original content length, presume |
| 696 | // it is no different from the number of bytes read. |
| 697 | int64 adjusted_original_content_length = original_content_length; |
| 698 | if (adjusted_original_content_length == -1) |
| 699 | adjusted_original_content_length = received_content_length; |
Torne (Richard Coles) | 7d4cd47 | 2013-06-19 11:58:07 +0100 | [diff] [blame] | 700 | base::TimeDelta freshness_lifetime = |
| 701 | request->response_info().headers->GetFreshnessLifetime( |
| 702 | request->response_info().response_time); |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 703 | AccumulateContentLength(received_content_length, |
Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 704 | adjusted_original_content_length, |
| 705 | data_reduction_proxy_was_used); |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 706 | RecordContentLengthHistograms(received_content_length, |
Torne (Richard Coles) | 7d4cd47 | 2013-06-19 11:58:07 +0100 | [diff] [blame] | 707 | original_content_length, |
| 708 | freshness_lifetime); |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 709 | DVLOG(2) << __FUNCTION__ |
| 710 | << " received content length: " << received_content_length |
| 711 | << " original content length: " << original_content_length |
| 712 | << " url: " << request->url(); |
| 713 | } |
| 714 | |
| 715 | bool is_redirect = request->response_headers() && |
| 716 | net::HttpResponseHeaders::IsRedirectResponseCode( |
| 717 | request->response_headers()->response_code()); |
| 718 | if (!is_redirect) { |
| 719 | ExtensionWebRequestEventRouter::GetInstance()->OnCompleted( |
| 720 | profile_, extension_info_map_.get(), request); |
| 721 | } |
| 722 | } else if (request->status().status() == net::URLRequestStatus::FAILED || |
| 723 | request->status().status() == net::URLRequestStatus::CANCELED) { |
| 724 | ExtensionWebRequestEventRouter::GetInstance()->OnErrorOccurred( |
| 725 | profile_, extension_info_map_.get(), request, started); |
| 726 | } else { |
| 727 | NOTREACHED(); |
| 728 | } |
| 729 | ForwardProxyErrors(request, event_router_.get(), profile_); |
| 730 | |
| 731 | ForwardRequestStatus(REQUEST_DONE, request, profile_); |
| 732 | } |
| 733 | |
| 734 | void ChromeNetworkDelegate::OnURLRequestDestroyed(net::URLRequest* request) { |
| 735 | ExtensionWebRequestEventRouter::GetInstance()->OnURLRequestDestroyed( |
| 736 | profile_, request); |
| 737 | if (load_time_stats_) |
| 738 | load_time_stats_->OnURLRequestDestroyed(*request); |
| 739 | } |
| 740 | |
| 741 | void ChromeNetworkDelegate::OnPACScriptError(int line_number, |
| 742 | const string16& error) { |
| 743 | extensions::ProxyEventRouter::GetInstance()->OnPACScriptError( |
| 744 | event_router_.get(), profile_, line_number, error); |
| 745 | } |
| 746 | |
| 747 | net::NetworkDelegate::AuthRequiredResponse |
| 748 | ChromeNetworkDelegate::OnAuthRequired( |
| 749 | net::URLRequest* request, |
| 750 | const net::AuthChallengeInfo& auth_info, |
| 751 | const AuthCallback& callback, |
| 752 | net::AuthCredentials* credentials) { |
| 753 | return ExtensionWebRequestEventRouter::GetInstance()->OnAuthRequired( |
| 754 | profile_, extension_info_map_.get(), request, auth_info, |
| 755 | callback, credentials); |
| 756 | } |
| 757 | |
| 758 | bool ChromeNetworkDelegate::OnCanGetCookies( |
| 759 | const net::URLRequest& request, |
| 760 | const net::CookieList& cookie_list) { |
| 761 | // NULL during tests, or when we're running in the system context. |
Torne (Richard Coles) | 868fa2f | 2013-06-11 10:57:03 +0100 | [diff] [blame] | 762 | if (!cookie_settings_.get()) |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 763 | return true; |
| 764 | |
| 765 | bool allow = cookie_settings_->IsReadingCookieAllowed( |
| 766 | request.url(), request.first_party_for_cookies()); |
| 767 | |
| 768 | int render_process_id = -1; |
| 769 | int render_view_id = -1; |
| 770 | if (content::ResourceRequestInfo::GetRenderViewForRequest( |
| 771 | &request, &render_process_id, &render_view_id)) { |
| 772 | BrowserThread::PostTask( |
| 773 | BrowserThread::UI, FROM_HERE, |
| 774 | base::Bind(&TabSpecificContentSettings::CookiesRead, |
| 775 | render_process_id, render_view_id, |
| 776 | request.url(), request.first_party_for_cookies(), |
| 777 | cookie_list, !allow)); |
| 778 | } |
| 779 | |
| 780 | return allow; |
| 781 | } |
| 782 | |
| 783 | bool ChromeNetworkDelegate::OnCanSetCookie(const net::URLRequest& request, |
| 784 | const std::string& cookie_line, |
| 785 | net::CookieOptions* options) { |
| 786 | // NULL during tests, or when we're running in the system context. |
Torne (Richard Coles) | 868fa2f | 2013-06-11 10:57:03 +0100 | [diff] [blame] | 787 | if (!cookie_settings_.get()) |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 788 | return true; |
| 789 | |
| 790 | bool allow = cookie_settings_->IsSettingCookieAllowed( |
| 791 | request.url(), request.first_party_for_cookies()); |
| 792 | |
| 793 | int render_process_id = -1; |
| 794 | int render_view_id = -1; |
| 795 | if (content::ResourceRequestInfo::GetRenderViewForRequest( |
| 796 | &request, &render_process_id, &render_view_id)) { |
| 797 | BrowserThread::PostTask( |
| 798 | BrowserThread::UI, FROM_HERE, |
| 799 | base::Bind(&TabSpecificContentSettings::CookieChanged, |
| 800 | render_process_id, render_view_id, |
| 801 | request.url(), request.first_party_for_cookies(), |
| 802 | cookie_line, *options, !allow)); |
| 803 | } |
| 804 | |
| 805 | return allow; |
| 806 | } |
| 807 | |
| 808 | bool ChromeNetworkDelegate::OnCanAccessFile(const net::URLRequest& request, |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 809 | const base::FilePath& path) const { |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 810 | if (g_allow_file_access_) |
| 811 | return true; |
| 812 | |
| 813 | #if !defined(OS_CHROMEOS) && !defined(OS_ANDROID) |
| 814 | return true; |
| 815 | #else |
| 816 | #if defined(OS_CHROMEOS) |
| 817 | // If we're running Chrome for ChromeOS on Linux, we want to allow file |
| 818 | // access. |
| 819 | if (!base::chromeos::IsRunningOnChromeOS() || |
| 820 | CommandLine::ForCurrentProcess()->HasSwitch(switches::kTestType)) { |
| 821 | return true; |
| 822 | } |
| 823 | |
| 824 | // Use a whitelist to only allow access to files residing in the list of |
| 825 | // directories below. |
| 826 | static const char* const kLocalAccessWhiteList[] = { |
| 827 | "/home/chronos/user/Downloads", |
| 828 | "/home/chronos/user/log", |
| 829 | "/media", |
| 830 | "/opt/oem", |
| 831 | "/usr/share/chromeos-assets", |
| 832 | "/tmp", |
| 833 | "/var/log", |
| 834 | }; |
| 835 | #elif defined(OS_ANDROID) |
| 836 | // Access to files in external storage is allowed. |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 837 | base::FilePath external_storage_path; |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 838 | PathService::Get(base::DIR_ANDROID_EXTERNAL_STORAGE, &external_storage_path); |
| 839 | if (external_storage_path.IsParent(path)) |
| 840 | return true; |
| 841 | |
| 842 | // Whitelist of other allowed directories. |
| 843 | static const char* const kLocalAccessWhiteList[] = { |
| 844 | "/sdcard", |
| 845 | "/mnt/sdcard", |
| 846 | }; |
| 847 | #endif |
| 848 | |
| 849 | for (size_t i = 0; i < arraysize(kLocalAccessWhiteList); ++i) { |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 850 | const base::FilePath white_listed_path(kLocalAccessWhiteList[i]); |
| 851 | // base::FilePath::operator== should probably handle trailing separators. |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 852 | if (white_listed_path == path.StripTrailingSeparators() || |
| 853 | white_listed_path.IsParent(path)) { |
| 854 | return true; |
| 855 | } |
| 856 | } |
| 857 | |
| 858 | DVLOG(1) << "File access denied - " << path.value().c_str(); |
| 859 | return false; |
| 860 | #endif // !defined(OS_CHROMEOS) && !defined(OS_ANDROID) |
| 861 | } |
| 862 | |
| 863 | bool ChromeNetworkDelegate::OnCanThrottleRequest( |
| 864 | const net::URLRequest& request) const { |
| 865 | if (g_never_throttle_requests_) { |
| 866 | return false; |
| 867 | } |
| 868 | |
| 869 | return request.first_party_for_cookies().scheme() == |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 870 | extensions::kExtensionScheme; |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 871 | } |
| 872 | |
Torne (Richard Coles) | 90dce4d | 2013-05-29 14:40:03 +0100 | [diff] [blame] | 873 | bool ChromeNetworkDelegate::OnCanEnablePrivacyMode( |
| 874 | const GURL& url, |
| 875 | const GURL& first_party_for_cookies) const { |
| 876 | // NULL during tests, or when we're running in the system context. |
Torne (Richard Coles) | 868fa2f | 2013-06-11 10:57:03 +0100 | [diff] [blame] | 877 | if (!cookie_settings_.get()) |
Torne (Richard Coles) | 90dce4d | 2013-05-29 14:40:03 +0100 | [diff] [blame] | 878 | return false; |
| 879 | |
| 880 | bool reading_cookie_allowed = cookie_settings_->IsReadingCookieAllowed( |
| 881 | url, first_party_for_cookies); |
| 882 | bool setting_cookie_allowed = cookie_settings_->IsSettingCookieAllowed( |
| 883 | url, first_party_for_cookies); |
| 884 | bool privacy_mode = !(reading_cookie_allowed && setting_cookie_allowed); |
| 885 | return privacy_mode; |
| 886 | } |
| 887 | |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 888 | int ChromeNetworkDelegate::OnBeforeSocketStreamConnect( |
| 889 | net::SocketStream* socket, |
| 890 | const net::CompletionCallback& callback) { |
| 891 | #if defined(ENABLE_CONFIGURATION_POLICY) |
| 892 | if (url_blacklist_manager_ && |
| 893 | url_blacklist_manager_->IsURLBlocked(socket->url())) { |
| 894 | // URL access blocked by policy. |
| 895 | socket->net_log()->AddEvent( |
| 896 | net::NetLog::TYPE_CHROME_POLICY_ABORTED_REQUEST, |
| 897 | net::NetLog::StringCallback("url", |
| 898 | &socket->url().possibly_invalid_spec())); |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 899 | return net::ERR_BLOCKED_BY_ADMINISTRATOR; |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 900 | } |
| 901 | #endif |
| 902 | return net::OK; |
| 903 | } |
| 904 | |
| 905 | void ChromeNetworkDelegate::OnRequestWaitStateChange( |
| 906 | const net::URLRequest& request, |
| 907 | RequestWaitState state) { |
| 908 | if (load_time_stats_) |
| 909 | load_time_stats_->OnRequestWaitStateChange(request, state); |
| 910 | } |
| 911 | |
| 912 | void ChromeNetworkDelegate::AccumulateContentLength( |
Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 913 | int64 received_content_length, int64 original_content_length, |
| 914 | bool data_reduction_proxy_was_used) { |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 915 | DCHECK_GE(received_content_length, 0); |
| 916 | DCHECK_GE(original_content_length, 0); |
| 917 | StoreAccumulatedContentLength(received_content_length, |
Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 918 | original_content_length, |
| 919 | data_reduction_proxy_was_used); |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 920 | received_content_length_ += received_content_length; |
| 921 | original_content_length_ += original_content_length; |
| 922 | } |