chrome/browser/net/chrome_network_delegate_unittest.cc

   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
   7 #include "base/memory/ref_counted.h"
   8 #include "base/memory/scoped_ptr.h"
   9 #include "base/message_loop/message_loop.h"
  10 #include "base/prefs/pref_member.h"
  11 #include "chrome/browser/content_settings/cookie_settings.h"
  12 #include "chrome/common/pref_names.h"
  13 #include "chrome/common/url_constants.h"
  14 #include "chrome/test/base/testing_pref_service_syncable.h"
  15 #include "chrome/test/base/testing_profile.h"
  16 #include "content/public/test/test_browser_thread_bundle.h"
  17 #include "net/base/completion_callback.h"
  18 #include "net/base/request_priority.h"
  19 #include "net/url_request/url_request.h"
  20 #include "net/url_request/url_request_test_util.h"
  21 #include "testing/gtest/include/gtest/gtest.h"
  22
  23 #if defined(ENABLE_EXTENSIONS)
  24 #include "chrome/browser/extensions/event_router_forwarder.h"
  25 #endif
  26
  27 #if defined(ENABLE_EXTENSIONS)
  28 class ChromeNetworkDelegateTest : public testing::Test {
  29  protected:
  30   ChromeNetworkDelegateTest()
  31       : forwarder_(new extensions::EventRouterForwarder()) {
  32   }
  33
  34   void SetUp() override {
  35     never_throttle_requests_original_value_ =
  36         ChromeNetworkDelegate::g_never_throttle_requests_;
  37     ChromeNetworkDelegate::g_never_throttle_requests_ = false;
  38   }
  39
  40   void TearDown() override {
  41     ChromeNetworkDelegate::g_never_throttle_requests_ =
  42         never_throttle_requests_original_value_;
  43   }
  44
  45   scoped_ptr<ChromeNetworkDelegate> CreateNetworkDelegate() {
  46     return make_scoped_ptr(
  47         new ChromeNetworkDelegate(forwarder_.get(), &pref_member_));
  48   }
  49
  50   // Implementation moved here for access to private bits.
  51   void NeverThrottleLogicImpl() {
  52     scoped_ptr<ChromeNetworkDelegate> delegate(CreateNetworkDelegate());
  53
  54     net::TestURLRequestContext context;
  55     scoped_ptr<net::URLRequest> extension_request(context.CreateRequest(
  56         GURL("http://example.com/"), net::DEFAULT_PRIORITY, NULL, NULL));
  57     extension_request->set_first_party_for_cookies(
  58         GURL("chrome-extension://abcdef/bingo.html"));
  59     scoped_ptr<net::URLRequest> web_page_request(context.CreateRequest(
  60         GURL("http://example.com/"), net::DEFAULT_PRIORITY, NULL, NULL));
  61     web_page_request->set_first_party_for_cookies(
  62         GURL("http://example.com/helloworld.html"));
  63
  64     ASSERT_TRUE(delegate->OnCanThrottleRequest(*extension_request));
  65     ASSERT_FALSE(delegate->OnCanThrottleRequest(*web_page_request));
  66
  67     delegate->NeverThrottleRequests();
  68     ASSERT_TRUE(ChromeNetworkDelegate::g_never_throttle_requests_);
  69     ASSERT_FALSE(delegate->OnCanThrottleRequest(*extension_request));
  70     ASSERT_FALSE(delegate->OnCanThrottleRequest(*web_page_request));
  71
  72     // Verify that the flag applies to later instances of the
  73     // ChromeNetworkDelegate.
  74     //
  75     // We test the side effects of the flag rather than just the flag
  76     // itself (which we did above) to help ensure that a changed
  77     // implementation would show the same behavior, i.e. all instances
  78     // of ChromeNetworkDelegate after the flag is set obey the flag.
  79     scoped_ptr<ChromeNetworkDelegate> second_delegate(CreateNetworkDelegate());
  80     ASSERT_FALSE(delegate->OnCanThrottleRequest(*extension_request));
  81     ASSERT_FALSE(delegate->OnCanThrottleRequest(*web_page_request));
  82   }
  83
  84  private:
  85   bool never_throttle_requests_original_value_;
  86   base::MessageLoopForIO message_loop_;
  87
  88   scoped_refptr<extensions::EventRouterForwarder> forwarder_;
  89   BooleanPrefMember pref_member_;
  90 };
  91
  92 TEST_F(ChromeNetworkDelegateTest, NeverThrottleLogic) {
  93   NeverThrottleLogicImpl();
  94 }
  95 #endif  // defined(ENABLE_EXTENSIONS)
  96
  97 class ChromeNetworkDelegateSafeSearchTest : public testing::Test {
  98  public:
  99   ChromeNetworkDelegateSafeSearchTest()
 100       : thread_bundle_(content::TestBrowserThreadBundle::IO_MAINLOOP) {
 101 #if defined(ENABLE_EXTENSIONS)
 102     forwarder_ = new extensions::EventRouterForwarder();
 103 #endif
 104   }
 105
 106   void SetUp() override {
 107     ChromeNetworkDelegate::InitializePrefsOnUIThread(
 108         &enable_referrers_, NULL, &force_google_safe_search_,
 109         profile_.GetTestingPrefService());
 110   }
 111
 112  protected:
 113   scoped_ptr<net::NetworkDelegate> CreateNetworkDelegate() {
 114     scoped_ptr<ChromeNetworkDelegate> network_delegate(
 115         new ChromeNetworkDelegate(forwarder(), &enable_referrers_));
 116     network_delegate->set_force_google_safe_search(&force_google_safe_search_);
 117     return network_delegate.Pass();
 118   }
 119
 120   void SetSafeSearch(bool value) {
 121     force_google_safe_search_.SetValue(value);
 122   }
 123
 124   void SetDelegate(net::NetworkDelegate* delegate) {
 125     network_delegate_ = delegate;
 126     context_.set_network_delegate(network_delegate_);
 127   }
 128
 129   // Does a request using the |url_string| URL and verifies that the expected
 130   // string is equal to the query part (between ? and #) of the final url of
 131   // that request.
 132   void CheckAddedParameters(const std::string& url_string,
 133                             const std::string& expected_query_parameters) {
 134     // Show the URL in the trace so we know where we failed.
 135     SCOPED_TRACE(url_string);
 136
 137     scoped_ptr<net::URLRequest> request(context_.CreateRequest(
 138         GURL(url_string), net::DEFAULT_PRIORITY, &delegate_, NULL));
 139
 140     request->Start();
 141     base::MessageLoop::current()->RunUntilIdle();
 142
 143     EXPECT_EQ(expected_query_parameters, request->url().query());
 144   }
 145
 146  private:
 147   extensions::EventRouterForwarder* forwarder() {
 148 #if defined(ENABLE_EXTENSIONS)
 149     return forwarder_.get();
 150 #else
 151     return NULL;
 152 #endif
 153   }
 154
 155   content::TestBrowserThreadBundle thread_bundle_;
 156 #if defined(ENABLE_EXTENSIONS)
 157   scoped_refptr<extensions::EventRouterForwarder> forwarder_;
 158 #endif
 159   TestingProfile profile_;
 160   BooleanPrefMember enable_referrers_;
 161   BooleanPrefMember force_google_safe_search_;
 162   scoped_ptr<net::URLRequest> request_;
 163   net::TestURLRequestContext context_;
 164   net::NetworkDelegate* network_delegate_;
 165   net::TestDelegate delegate_;
 166 };
 167
 168 TEST_F(ChromeNetworkDelegateSafeSearchTest, SafeSearchOn) {
 169   // Tests with SafeSearch on, request parameters should be rewritten.
 170   const std::string kSafeParameter = chrome::kSafeSearchSafeParameter;
 171   const std::string kSsuiParameter = chrome::kSafeSearchSsuiParameter;
 172   const std::string kBothParameters = kSafeParameter + "&" + kSsuiParameter;
 173   SetSafeSearch(true);
 174   scoped_ptr<net::NetworkDelegate> delegate(CreateNetworkDelegate());
 175   SetDelegate(delegate.get());
 176
 177   // Test the home page.
 178   CheckAddedParameters("http://google.com/", kBothParameters);
 179
 180   // Test the search home page.
 181   CheckAddedParameters("http://google.com/webhp",
 182                        kBothParameters);
 183
 184   // Test different valid search pages with parameters.
 185   CheckAddedParameters("http://google.com/search?q=google",
 186                        "q=google&" + kBothParameters);
 187
 188   CheckAddedParameters("http://google.com/?q=google",
 189                        "q=google&" + kBothParameters);
 190
 191   CheckAddedParameters("http://google.com/webhp?q=google",
 192                        "q=google&" + kBothParameters);
 193
 194   // Test the valid pages with safe set to off.
 195   CheckAddedParameters("http://google.com/search?q=google&safe=off",
 196                        "q=google&" + kBothParameters);
 197
 198   CheckAddedParameters("http://google.com/?q=google&safe=off",
 199                        "q=google&" + kBothParameters);
 200
 201   CheckAddedParameters("http://google.com/webhp?q=google&safe=off",
 202                        "q=google&" + kBothParameters);
 203
 204   CheckAddedParameters("http://google.com/webhp?q=google&%73afe=off",
 205                        "q=google&%73afe=off&" + kBothParameters);
 206
 207   // Test the home page, different TLDs.
 208   CheckAddedParameters("http://google.de/", kBothParameters);
 209   CheckAddedParameters("http://google.ro/", kBothParameters);
 210   CheckAddedParameters("http://google.nl/", kBothParameters);
 211
 212   // Test the search home page, different TLD.
 213   CheckAddedParameters("http://google.de/webhp", kBothParameters);
 214
 215   // Test the search page with parameters, different TLD.
 216   CheckAddedParameters("http://google.de/search?q=google",
 217                        "q=google&" + kBothParameters);
 218
 219   // Test the home page with parameters, different TLD.
 220   CheckAddedParameters("http://google.de/?q=google",
 221                        "q=google&" + kBothParameters);
 222
 223   // Test the search page with the parameters set.
 224   CheckAddedParameters("http://google.de/?q=google&" + kBothParameters,
 225                        "q=google&" + kBothParameters);
 226
 227   // Test some possibly tricky combinations.
 228   CheckAddedParameters("http://google.com/?q=goog&" + kSafeParameter +
 229                        "&ssui=one",
 230                        "q=goog&" + kBothParameters);
 231
 232   CheckAddedParameters("http://google.de/?q=goog&unsafe=active&" +
 233                        kSsuiParameter,
 234                        "q=goog&unsafe=active&" + kBothParameters);
 235
 236   CheckAddedParameters("http://google.de/?q=goog&safe=off&ssui=off",
 237                        "q=goog&" + kBothParameters);
 238
 239   // Test various combinations where we should not add anything.
 240   CheckAddedParameters("http://google.com/?q=goog&" + kSsuiParameter + "&" +
 241                        kSafeParameter,
 242                        "q=goog&" + kBothParameters);
 243
 244   CheckAddedParameters("http://google.com/?" + kSsuiParameter + "&q=goog&" +
 245                        kSafeParameter,
 246                        "q=goog&" + kBothParameters);
 247
 248   CheckAddedParameters("http://google.com/?" + kSsuiParameter + "&" +
 249                        kSafeParameter + "&q=goog",
 250                        "q=goog&" + kBothParameters);
 251
 252   // Test that another website is not affected, without parameters.
 253   CheckAddedParameters("http://google.com/finance", std::string());
 254
 255   // Test that another website is not affected, with parameters.
 256   CheckAddedParameters("http://google.com/finance?q=goog", "q=goog");
 257
 258   // Test that another website is not affected with redirects, with parameters.
 259   CheckAddedParameters("http://finance.google.com/?q=goog", "q=goog");
 260
 261   // Test with percent-encoded data (%26 is &)
 262   CheckAddedParameters("http://google.com/?q=%26%26%26&" + kSsuiParameter +
 263                        "&" + kSafeParameter + "&param=%26%26%26",
 264                        "q=%26%26%26&param=%26%26%26&" + kBothParameters);
 265 }
 266
 267 TEST_F(ChromeNetworkDelegateSafeSearchTest, SafeSearchOff) {
 268   // Tests with SafeSearch settings off, delegate should not alter requests.
 269   SetSafeSearch(false);
 270   scoped_ptr<net::NetworkDelegate> delegate(CreateNetworkDelegate());
 271   SetDelegate(delegate.get());
 272
 273   // Test the home page.
 274   CheckAddedParameters("http://google.com/", std::string());
 275
 276   // Test the search home page.
 277   CheckAddedParameters("http://google.com/webhp", std::string());
 278
 279   // Test the home page with parameters.
 280   CheckAddedParameters("http://google.com/search?q=google",
 281                        "q=google");
 282
 283   // Test the search page with parameters.
 284   CheckAddedParameters("http://google.com/?q=google",
 285                        "q=google");
 286
 287   // Test the search webhp page with parameters.
 288   CheckAddedParameters("http://google.com/webhp?q=google",
 289                        "q=google");
 290
 291   // Test the home page with parameters and safe set to off.
 292   CheckAddedParameters("http://google.com/search?q=google&safe=off",
 293                        "q=google&safe=off");
 294
 295   // Test the home page with parameters and safe set to active.
 296   CheckAddedParameters("http://google.com/search?q=google&safe=active",
 297                        "q=google&safe=active");
 298 }
 299
 300 // Privacy Mode disables Channel Id if cookies are blocked (cr223191)
 301 class ChromeNetworkDelegatePrivacyModeTest : public testing::Test {
 302  public:
 303   ChromeNetworkDelegatePrivacyModeTest()
 304       : thread_bundle_(content::TestBrowserThreadBundle::IO_MAINLOOP),
 305 #if defined(ENABLE_EXTENSIONS)
 306         forwarder_(new extensions::EventRouterForwarder()),
 307 #endif
 308         cookie_settings_(CookieSettings::Factory::GetForProfile(&profile_)
 309                              .get()),
 310         kBlockedSite("http://ads.thirdparty.com"),
 311         kAllowedSite("http://good.allays.com"),
 312         kFirstPartySite("http://cool.things.com"),
 313         kBlockedFirstPartySite("http://no.thirdparties.com") {}
 314
 315   void SetUp() override {
 316     ChromeNetworkDelegate::InitializePrefsOnUIThread(
 317         &enable_referrers_, NULL, NULL,
 318         profile_.GetTestingPrefService());
 319   }
 320
 321  protected:
 322   scoped_ptr<ChromeNetworkDelegate> CreateNetworkDelegate() {
 323     scoped_ptr<ChromeNetworkDelegate> network_delegate(
 324         new ChromeNetworkDelegate(forwarder(), &enable_referrers_));
 325     network_delegate->set_cookie_settings(cookie_settings_);
 326     return network_delegate.Pass();
 327   }
 328
 329   void SetDelegate(net::NetworkDelegate* delegate) {
 330     network_delegate_ = delegate;
 331     context_.set_network_delegate(network_delegate_);
 332   }
 333
 334  protected:
 335   extensions::EventRouterForwarder* forwarder() {
 336 #if defined(ENABLE_EXTENSIONS)
 337     return forwarder_.get();
 338 #else
 339     return NULL;
 340 #endif
 341   }
 342
 343   content::TestBrowserThreadBundle thread_bundle_;
 344 #if defined(ENABLE_EXTENSIONS)
 345   scoped_refptr<extensions::EventRouterForwarder> forwarder_;
 346 #endif
 347   TestingProfile profile_;
 348   CookieSettings* cookie_settings_;
 349   BooleanPrefMember enable_referrers_;
 350   scoped_ptr<net::URLRequest> request_;
 351   net::TestURLRequestContext context_;
 352   net::NetworkDelegate* network_delegate_;
 353
 354   const GURL kBlockedSite;
 355   const GURL kAllowedSite;
 356   const GURL kEmptyFirstPartySite;
 357   const GURL kFirstPartySite;
 358   const GURL kBlockedFirstPartySite;
 359 };
 360
 361 TEST_F(ChromeNetworkDelegatePrivacyModeTest, DisablePrivacyIfCookiesAllowed) {
 362   scoped_ptr<ChromeNetworkDelegate> delegate(CreateNetworkDelegate());
 363   SetDelegate(delegate.get());
 364
 365   EXPECT_FALSE(network_delegate_->CanEnablePrivacyMode(kAllowedSite,
 366                                                        kEmptyFirstPartySite));
 367 }
 368
 369
 370 TEST_F(ChromeNetworkDelegatePrivacyModeTest, EnablePrivacyIfCookiesBlocked) {
 371   scoped_ptr<ChromeNetworkDelegate> delegate(CreateNetworkDelegate());
 372   SetDelegate(delegate.get());
 373
 374   EXPECT_FALSE(network_delegate_->CanEnablePrivacyMode(kBlockedSite,
 375                                                        kEmptyFirstPartySite));
 376
 377   cookie_settings_->SetCookieSetting(
 378       ContentSettingsPattern::FromURL(kBlockedSite),
 379       ContentSettingsPattern::Wildcard(),
 380       CONTENT_SETTING_BLOCK);
 381   EXPECT_TRUE(network_delegate_->CanEnablePrivacyMode(kBlockedSite,
 382                                                       kEmptyFirstPartySite));
 383 }
 384
 385 TEST_F(ChromeNetworkDelegatePrivacyModeTest, EnablePrivacyIfThirdPartyBlocked) {
 386   scoped_ptr<ChromeNetworkDelegate> delegate(CreateNetworkDelegate());
 387   SetDelegate(delegate.get());
 388
 389   EXPECT_FALSE(network_delegate_->CanEnablePrivacyMode(kAllowedSite,
 390                                                        kFirstPartySite));
 391
 392   profile_.GetPrefs()->SetBoolean(prefs::kBlockThirdPartyCookies, true);
 393   EXPECT_TRUE(network_delegate_->CanEnablePrivacyMode(kAllowedSite,
 394                                                       kFirstPartySite));
 395   profile_.GetPrefs()->SetBoolean(prefs::kBlockThirdPartyCookies, false);
 396   EXPECT_FALSE(network_delegate_->CanEnablePrivacyMode(kAllowedSite,
 397                                                        kFirstPartySite));
 398 }
 399
 400 TEST_F(ChromeNetworkDelegatePrivacyModeTest,
 401        DisablePrivacyIfOnlyFirstPartyBlocked) {
 402   scoped_ptr<ChromeNetworkDelegate> delegate(CreateNetworkDelegate());
 403   SetDelegate(delegate.get());
 404
 405   EXPECT_FALSE(network_delegate_->CanEnablePrivacyMode(kAllowedSite,
 406                                                        kBlockedFirstPartySite));
 407
 408   cookie_settings_->SetCookieSetting(
 409       ContentSettingsPattern::FromURL(kBlockedFirstPartySite),
 410       ContentSettingsPattern::Wildcard(),
 411       CONTENT_SETTING_BLOCK);
 412   // Privacy mode is disabled as kAllowedSite is still getting cookies
 413   EXPECT_FALSE(network_delegate_->CanEnablePrivacyMode(kAllowedSite,
 414                                                        kBlockedFirstPartySite));
 415 }
 416