chrome/browser/safe_browsing/protocol_manager_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
   6 #include "base/memory/scoped_ptr.h"
   7 #include "base/memory/scoped_vector.h"
   8 #include "base/strings/stringprintf.h"
   9 #include "base/test/test_simple_task_runner.h"
  10 #include "base/thread_task_runner_handle.h"
  11 #include "base/time/time.h"
  12 #include "chrome/browser/safe_browsing/chunk.pb.h"
  13 #include "chrome/browser/safe_browsing/protocol_manager.h"
  14 #include "chrome/browser/safe_browsing/safe_browsing_util.h"
  15 #include "google_apis/google_api_keys.h"
  16 #include "net/base/escape.h"
  17 #include "net/base/load_flags.h"
  18 #include "net/base/net_errors.h"
  19 #include "net/url_request/test_url_fetcher_factory.h"
  20 #include "testing/gmock/include/gmock/gmock.h"
  21 #include "testing/gmock_mutant.h"
  22 #include "testing/gtest/include/gtest/gtest.h"
  23
  24 using base::Time;
  25 using base::TimeDelta;
  26 using testing::_;
  27 using testing::Invoke;
  28
  29 namespace {
  30
  31 const char kUrlPrefix[] = "https://prefix.com/foo";
  32 const char kBackupConnectUrlPrefix[] = "https://alt1-prefix.com/foo";
  33 const char kBackupHttpUrlPrefix[] = "https://alt2-prefix.com/foo";
  34 const char kBackupNetworkUrlPrefix[] = "https://alt3-prefix.com/foo";
  35 const char kClient[] = "unittest";
  36 const char kAppVer[] = "1.0";
  37 const char kAdditionalQuery[] = "additional_query";
  38
  39 #if defined(OS_ANDROID)
  40 const char kDefaultPhishList[] = "goog-mobilephish-shavar";
  41 const char kDefaultMalwareList[] = "goog-mobilemalware-shavar";
  42 #else
  43 const char kDefaultPhishList[] = "goog-phish-shavar";
  44 const char kDefaultMalwareList[] = "goog-malware-shavar";
  45 #endif
  46
  47 // Add-prefix chunk with single prefix.
  48 const char kRawChunkPayload1[] = {
  49   '\0', '\0', '\0', '\x08',  // 32-bit payload length in network byte order.
  50   '\x08',                    // field 1, wire format varint
  51   '\x03',                    // chunk_number varint 3
  52   '\x22',                    // field 4, wire format length-delimited
  53   '\x04',                    // varint 4 length
  54   'a', 'b', 'c', 'd'         // 4-byte prefix
  55 };
  56 const std::string kChunkPayload1(kRawChunkPayload1, sizeof(kRawChunkPayload1));
  57
  58 // Add-prefix chunk_number 5 with single prefix.
  59 const char kRawChunkPayload2[] = {
  60   '\0', '\0', '\0', '\x08',  // 32-bit payload length in network byte order.
  61   '\x08',                    // field 1, wire format varint
  62   '\x05',                    // chunk_number varint 5
  63   '\x22',                    // field 4, wire format length-delimited
  64   '\x04',                    // varint length 4
  65   'e', 'f', 'g', 'h'         // 4-byte prefix
  66 };
  67 const std::string kChunkPayload2(kRawChunkPayload2, sizeof(kRawChunkPayload2));
  68
  69 }  // namespace
  70
  71 class SafeBrowsingProtocolManagerTest : public testing::Test {
  72  protected:
  73   std::string key_param_;
  74
  75   void SetUp() override {
  76     std::string key = google_apis::GetAPIKey();
  77     if (!key.empty()) {
  78       key_param_ = base::StringPrintf(
  79           "&key=%s",
  80           net::EscapeQueryParamValue(key, true).c_str());
  81     }
  82   }
  83
  84   scoped_ptr<SafeBrowsingProtocolManager> CreateProtocolManager(
  85       SafeBrowsingProtocolManagerDelegate* delegate) {
  86     SafeBrowsingProtocolConfig config;
  87     config.client_name = kClient;
  88     config.url_prefix = kUrlPrefix;
  89     config.backup_connect_error_url_prefix = kBackupConnectUrlPrefix;
  90     config.backup_http_error_url_prefix = kBackupHttpUrlPrefix;
  91     config.backup_network_error_url_prefix = kBackupNetworkUrlPrefix;
  92     config.version = kAppVer;
  93 #if defined(OS_ANDROID)
  94     config.disable_connection_check = true;
  95 #endif
  96     return scoped_ptr<SafeBrowsingProtocolManager>(
  97         SafeBrowsingProtocolManager::Create(delegate, NULL, config));
  98   }
  99
 100   void ValidateUpdateFetcherRequest(
 101       const net::TestURLFetcher* url_fetcher,
 102       const std::string& expected_prefix) {
 103     ASSERT_TRUE(url_fetcher);
 104     EXPECT_EQ(net::LOAD_DISABLE_CACHE, url_fetcher->GetLoadFlags());
 105
 106     std::string expected_lists(base::StringPrintf("%s;\n%s;\n",
 107                                                   kDefaultPhishList,
 108                                                   kDefaultMalwareList));
 109     EXPECT_EQ(expected_lists, url_fetcher->upload_data());
 110     EXPECT_EQ(GURL(expected_prefix + "/downloads?client=unittest&appver=1.0"
 111                    "&pver=3.0" + key_param_),
 112               url_fetcher->GetOriginalURL());
 113   }
 114
 115   void ValidateUpdateFetcherRequest(const net::TestURLFetcher* url_fetcher) {
 116     ValidateUpdateFetcherRequest(url_fetcher, kUrlPrefix);
 117   }
 118
 119   void ValidateRedirectFetcherRequest(const net::TestURLFetcher* url_fetcher,
 120                                       const std::string& expected_url) {
 121     ASSERT_TRUE(url_fetcher);
 122     EXPECT_EQ(net::LOAD_DISABLE_CACHE, url_fetcher->GetLoadFlags());
 123     EXPECT_EQ("", url_fetcher->upload_data());
 124     EXPECT_EQ(GURL(expected_url), url_fetcher->GetOriginalURL());
 125   }
 126 };
 127
 128 // Ensure that we respect section 5 of the SafeBrowsing protocol specification.
 129 TEST_F(SafeBrowsingProtocolManagerTest, TestBackOffTimes) {
 130   scoped_ptr<SafeBrowsingProtocolManager> pm(CreateProtocolManager(NULL));
 131
 132   pm->next_update_interval_ = TimeDelta::FromSeconds(1800);
 133   ASSERT_TRUE(pm->back_off_fuzz_ >= 0.0 && pm->back_off_fuzz_ <= 1.0);
 134
 135   TimeDelta next;
 136
 137   // No errors received so far.
 138   next = pm->GetNextUpdateInterval(false);
 139   EXPECT_EQ(next, TimeDelta::FromSeconds(1800));
 140
 141   // 1 error.
 142   next = pm->GetNextUpdateInterval(true);
 143   EXPECT_EQ(next, TimeDelta::FromSeconds(60));
 144
 145   // 2 errors.
 146   next = pm->GetNextUpdateInterval(true);
 147   EXPECT_TRUE(next >= TimeDelta::FromMinutes(30) &&
 148               next <= TimeDelta::FromMinutes(60));
 149
 150   // 3 errors.
 151   next = pm->GetNextUpdateInterval(true);
 152   EXPECT_TRUE(next >= TimeDelta::FromMinutes(60) &&
 153               next <= TimeDelta::FromMinutes(120));
 154
 155   // 4 errors.
 156   next = pm->GetNextUpdateInterval(true);
 157   EXPECT_TRUE(next >= TimeDelta::FromMinutes(120) &&
 158               next <= TimeDelta::FromMinutes(240));
 159
 160   // 5 errors.
 161   next = pm->GetNextUpdateInterval(true);
 162   EXPECT_TRUE(next >= TimeDelta::FromMinutes(240) &&
 163               next <= TimeDelta::FromMinutes(480));
 164
 165   // 6 errors, reached max backoff.
 166   next = pm->GetNextUpdateInterval(true);
 167   EXPECT_EQ(next, TimeDelta::FromMinutes(480));
 168
 169   // 7 errors.
 170   next = pm->GetNextUpdateInterval(true);
 171   EXPECT_EQ(next, TimeDelta::FromMinutes(480));
 172
 173   // Received a successful response.
 174   next = pm->GetNextUpdateInterval(false);
 175   EXPECT_EQ(next, TimeDelta::FromSeconds(1800));
 176 }
 177
 178 TEST_F(SafeBrowsingProtocolManagerTest, TestChunkStrings) {
 179   scoped_ptr<SafeBrowsingProtocolManager> pm(CreateProtocolManager(NULL));
 180
 181   // Add and Sub chunks.
 182   SBListChunkRanges phish(kDefaultPhishList);
 183   phish.adds = "1,4,6,8-20,99";
 184   phish.subs = "16,32,64-96";
 185   EXPECT_EQ(base::StringPrintf("%s;a:1,4,6,8-20,99:s:16,32,64-96\n",
 186                                kDefaultPhishList),
 187             safe_browsing::FormatList(phish));
 188
 189   // Add chunks only.
 190   phish.subs = "";
 191   EXPECT_EQ(base::StringPrintf("%s;a:1,4,6,8-20,99\n",
 192                                kDefaultPhishList),
 193             safe_browsing::FormatList(phish));
 194
 195   // Sub chunks only.
 196   phish.adds = "";
 197   phish.subs = "16,32,64-96";
 198   EXPECT_EQ(base::StringPrintf("%s;s:16,32,64-96\n",
 199                                kDefaultPhishList),
 200             safe_browsing::FormatList(phish));
 201
 202   // No chunks of either type.
 203   phish.adds = "";
 204   phish.subs = "";
 205   EXPECT_EQ(base::StringPrintf("%s;\n", kDefaultPhishList),
 206             safe_browsing::FormatList(phish));
 207 }
 208
 209 TEST_F(SafeBrowsingProtocolManagerTest, TestGetHashBackOffTimes) {
 210   scoped_ptr<SafeBrowsingProtocolManager> pm(CreateProtocolManager(NULL));
 211
 212   // No errors or back off time yet.
 213   EXPECT_EQ(0U, pm->gethash_error_count_);
 214   EXPECT_TRUE(pm->next_gethash_time_.is_null());
 215
 216   Time now = Time::Now();
 217
 218   // 1 error.
 219   pm->HandleGetHashError(now);
 220   EXPECT_EQ(1U, pm->gethash_error_count_);
 221   TimeDelta margin = TimeDelta::FromSeconds(5);  // Fudge factor.
 222   Time future = now + TimeDelta::FromMinutes(1);
 223   EXPECT_TRUE(pm->next_gethash_time_ >= future - margin &&
 224               pm->next_gethash_time_ <= future + margin);
 225
 226   // 2 errors.
 227   pm->HandleGetHashError(now);
 228   EXPECT_EQ(2U, pm->gethash_error_count_);
 229   EXPECT_TRUE(pm->next_gethash_time_ >= now + TimeDelta::FromMinutes(30));
 230   EXPECT_TRUE(pm->next_gethash_time_ <= now + TimeDelta::FromMinutes(60));
 231
 232   // 3 errors.
 233   pm->HandleGetHashError(now);
 234   EXPECT_EQ(3U, pm->gethash_error_count_);
 235   EXPECT_TRUE(pm->next_gethash_time_ >= now + TimeDelta::FromMinutes(60));
 236   EXPECT_TRUE(pm->next_gethash_time_ <= now + TimeDelta::FromMinutes(120));
 237
 238   // 4 errors.
 239   pm->HandleGetHashError(now);
 240   EXPECT_EQ(4U, pm->gethash_error_count_);
 241   EXPECT_TRUE(pm->next_gethash_time_ >= now + TimeDelta::FromMinutes(120));
 242   EXPECT_TRUE(pm->next_gethash_time_ <= now + TimeDelta::FromMinutes(240));
 243
 244   // 5 errors.
 245   pm->HandleGetHashError(now);
 246   EXPECT_EQ(5U, pm->gethash_error_count_);
 247   EXPECT_TRUE(pm->next_gethash_time_ >= now + TimeDelta::FromMinutes(240));
 248   EXPECT_TRUE(pm->next_gethash_time_ <= now + TimeDelta::FromMinutes(480));
 249
 250   // 6 errors, reached max backoff.
 251   pm->HandleGetHashError(now);
 252   EXPECT_EQ(6U, pm->gethash_error_count_);
 253   EXPECT_TRUE(pm->next_gethash_time_ == now + TimeDelta::FromMinutes(480));
 254
 255   // 7 errors.
 256   pm->HandleGetHashError(now);
 257   EXPECT_EQ(7U, pm->gethash_error_count_);
 258   EXPECT_TRUE(pm->next_gethash_time_== now + TimeDelta::FromMinutes(480));
 259 }
 260
 261 TEST_F(SafeBrowsingProtocolManagerTest, TestGetHashUrl) {
 262   scoped_ptr<SafeBrowsingProtocolManager> pm(CreateProtocolManager(NULL));
 263
 264   EXPECT_EQ("https://prefix.com/foo/gethash?client=unittest&appver=1.0&"
 265             "pver=3.0" + key_param_, pm->GetHashUrl().spec());
 266
 267   pm->set_additional_query(kAdditionalQuery);
 268   EXPECT_EQ("https://prefix.com/foo/gethash?client=unittest&appver=1.0&"
 269             "pver=3.0" + key_param_ + "&additional_query",
 270             pm->GetHashUrl().spec());
 271 }
 272
 273 TEST_F(SafeBrowsingProtocolManagerTest, TestUpdateUrl) {
 274   scoped_ptr<SafeBrowsingProtocolManager> pm(CreateProtocolManager(NULL));
 275
 276   EXPECT_EQ("https://prefix.com/foo/downloads?client=unittest&appver=1.0&"
 277             "pver=3.0" + key_param_, pm->UpdateUrl().spec());
 278
 279   pm->set_additional_query(kAdditionalQuery);
 280   EXPECT_EQ("https://prefix.com/foo/downloads?client=unittest&appver=1.0&"
 281             "pver=3.0" + key_param_ + "&additional_query",
 282             pm->UpdateUrl().spec());
 283 }
 284
 285 TEST_F(SafeBrowsingProtocolManagerTest, TestNextChunkUrl) {
 286   scoped_ptr<SafeBrowsingProtocolManager> pm(CreateProtocolManager(NULL));
 287
 288   std::string url_partial = "localhost:1234/foo/bar?foo";
 289   std::string url_http_full = "http://localhost:1234/foo/bar?foo";
 290   std::string url_https_full = "https://localhost:1234/foo/bar?foo";
 291   std::string url_https_no_query = "https://localhost:1234/foo/bar";
 292
 293   EXPECT_EQ("https://localhost:1234/foo/bar?foo",
 294             pm->NextChunkUrl(url_partial).spec());
 295   EXPECT_EQ("http://localhost:1234/foo/bar?foo",
 296             pm->NextChunkUrl(url_http_full).spec());
 297   EXPECT_EQ("https://localhost:1234/foo/bar?foo",
 298             pm->NextChunkUrl(url_https_full).spec());
 299   EXPECT_EQ("https://localhost:1234/foo/bar",
 300             pm->NextChunkUrl(url_https_no_query).spec());
 301
 302   pm->set_additional_query(kAdditionalQuery);
 303   EXPECT_EQ("https://localhost:1234/foo/bar?foo&additional_query",
 304             pm->NextChunkUrl(url_partial).spec());
 305   EXPECT_EQ("http://localhost:1234/foo/bar?foo&additional_query",
 306             pm->NextChunkUrl(url_http_full).spec());
 307   EXPECT_EQ("https://localhost:1234/foo/bar?foo&additional_query",
 308             pm->NextChunkUrl(url_https_full).spec());
 309   EXPECT_EQ("https://localhost:1234/foo/bar?additional_query",
 310             pm->NextChunkUrl(url_https_no_query).spec());
 311 }
 312
 313 namespace {
 314
 315 class MockProtocolDelegate : public SafeBrowsingProtocolManagerDelegate {
 316  public:
 317   MockProtocolDelegate() {}
 318   ~MockProtocolDelegate() override {}
 319
 320   MOCK_METHOD0(UpdateStarted, void());
 321   MOCK_METHOD1(UpdateFinished, void(bool));
 322   MOCK_METHOD0(ResetDatabase, void());
 323   MOCK_METHOD1(GetChunks, void(GetChunksCallback));
 324
 325   // gmock does not work with scoped_ptr<> at this time.  Add a local method to
 326   // mock, then call that from an override.  Beware of object ownership when
 327   // making changes here.
 328   MOCK_METHOD3(AddChunksRaw, void(const std::string& lists,
 329                                   const ScopedVector<SBChunkData>& chunks,
 330                                   AddChunksCallback));
 331   void AddChunks(const std::string& list,
 332                  scoped_ptr<ScopedVector<SBChunkData>> chunks,
 333                  AddChunksCallback callback) override {
 334     AddChunksRaw(list, *chunks, callback);
 335   }
 336
 337   // TODO(shess): Actually test this case somewhere.
 338   MOCK_METHOD1(DeleteChunksRaw,
 339                void(const std::vector<SBChunkDelete>& chunk_deletes));
 340   void DeleteChunks(
 341       scoped_ptr<std::vector<SBChunkDelete>> chunk_deletes) override {
 342     DeleteChunksRaw(*chunk_deletes);
 343   }
 344 };
 345
 346 // |InvokeGetChunksCallback| is required because GMock's InvokeArgument action
 347 // expects to use operator(), and a Callback only provides Run().
 348 // TODO(cbentzel): Use ACTION or ACTION_TEMPLATE instead?
 349 void InvokeGetChunksCallback(
 350     const std::vector<SBListChunkRanges>& ranges,
 351     bool database_error,
 352     SafeBrowsingProtocolManagerDelegate::GetChunksCallback callback) {
 353   callback.Run(ranges, database_error);
 354 }
 355
 356 // |HandleAddChunks| deletes the chunks and asynchronously invokes
 357 // |callback| since SafeBrowsingProtocolManager is not re-entrant at the time
 358 // this is called. This guarantee is part of the
 359 // SafeBrowsingProtocolManagerDelegate contract.
 360 void HandleAddChunks(
 361     const std::string& unused_list,
 362     const ScopedVector<SBChunkData>& chunks,
 363     SafeBrowsingProtocolManagerDelegate::AddChunksCallback callback) {
 364   scoped_refptr<base::SingleThreadTaskRunner> task_runner(
 365       base::ThreadTaskRunnerHandle::Get());
 366   if (!task_runner.get())
 367     return;
 368   task_runner->PostTask(FROM_HERE, callback);
 369 }
 370
 371 }  // namespace
 372
 373 // Tests that the Update protocol will be skipped if there are problems
 374 // accessing the database.
 375 TEST_F(SafeBrowsingProtocolManagerTest, ProblemAccessingDatabase) {
 376   scoped_refptr<base::TestSimpleTaskRunner> runner(
 377       new base::TestSimpleTaskRunner());
 378   base::ThreadTaskRunnerHandle runner_handler(runner);
 379
 380   testing::StrictMock<MockProtocolDelegate> test_delegate;
 381   EXPECT_CALL(test_delegate, UpdateStarted()).Times(1);
 382   EXPECT_CALL(test_delegate, GetChunks(_)).WillOnce(
 383       Invoke(testing::CreateFunctor(InvokeGetChunksCallback,
 384                                     std::vector<SBListChunkRanges>(),
 385                                     true)));
 386   EXPECT_CALL(test_delegate, UpdateFinished(false)).Times(1);
 387
 388   scoped_ptr<SafeBrowsingProtocolManager> pm(
 389       CreateProtocolManager(&test_delegate));
 390
 391   pm->ForceScheduleNextUpdate(TimeDelta());
 392   runner->RunPendingTasks();
 393
 394   EXPECT_TRUE(pm->IsUpdateScheduled());
 395 }
 396
 397 // Tests the contents of the POST body when there are contents in the
 398 // local database. This is not exhaustive, as the actual list formatting
 399 // is covered by SafeBrowsingProtocolManagerTest.TestChunkStrings.
 400 TEST_F(SafeBrowsingProtocolManagerTest, ExistingDatabase) {
 401   scoped_refptr<base::TestSimpleTaskRunner> runner(
 402       new base::TestSimpleTaskRunner());
 403   base::ThreadTaskRunnerHandle runner_handler(runner);
 404   net::TestURLFetcherFactory url_fetcher_factory;
 405
 406   std::vector<SBListChunkRanges> ranges;
 407   SBListChunkRanges range_phish(safe_browsing_util::kPhishingList);
 408   range_phish.adds = "adds_phish";
 409   range_phish.subs = "subs_phish";
 410   ranges.push_back(range_phish);
 411
 412   SBListChunkRanges range_unknown("unknown_list");
 413   range_unknown.adds = "adds_unknown";
 414   range_unknown.subs = "subs_unknown";
 415   ranges.push_back(range_unknown);
 416
 417   testing::StrictMock<MockProtocolDelegate> test_delegate;
 418   EXPECT_CALL(test_delegate, UpdateStarted()).Times(1);
 419   EXPECT_CALL(test_delegate, GetChunks(_)).WillOnce(
 420       Invoke(testing::CreateFunctor(InvokeGetChunksCallback,
 421                                     ranges,
 422                                     false)));
 423   EXPECT_CALL(test_delegate, UpdateFinished(true)).Times(1);
 424
 425   scoped_ptr<SafeBrowsingProtocolManager> pm(
 426       CreateProtocolManager(&test_delegate));
 427
 428   // Kick off initialization. This returns chunks from the DB synchronously.
 429   pm->ForceScheduleNextUpdate(TimeDelta());
 430   runner->RunPendingTasks();
 431
 432   // We should have an URLFetcher at this point in time.
 433   net::TestURLFetcher* url_fetcher = url_fetcher_factory.GetFetcherByID(0);
 434   ASSERT_TRUE(url_fetcher);
 435   EXPECT_EQ(net::LOAD_DISABLE_CACHE, url_fetcher->GetLoadFlags());
 436   EXPECT_EQ(base::StringPrintf("%s;a:adds_phish:s:subs_phish\n"
 437                                "unknown_list;a:adds_unknown:s:subs_unknown\n"
 438                                "%s;\n",
 439                                kDefaultPhishList, kDefaultMalwareList),
 440             url_fetcher->upload_data());
 441   EXPECT_EQ(GURL("https://prefix.com/foo/downloads?client=unittest&appver=1.0"
 442                  "&pver=3.0" + key_param_),
 443             url_fetcher->GetOriginalURL());
 444
 445   url_fetcher->set_status(net::URLRequestStatus());
 446   url_fetcher->set_response_code(200);
 447   url_fetcher->SetResponseString(std::string());
 448   url_fetcher->delegate()->OnURLFetchComplete(url_fetcher);
 449
 450   EXPECT_TRUE(pm->IsUpdateScheduled());
 451 }
 452
 453 TEST_F(SafeBrowsingProtocolManagerTest, UpdateResponseBadBodyBackupSuccess) {
 454   scoped_refptr<base::TestSimpleTaskRunner> runner(
 455       new base::TestSimpleTaskRunner());
 456   base::ThreadTaskRunnerHandle runner_handler(runner);
 457   net::TestURLFetcherFactory url_fetcher_factory;
 458
 459   testing::StrictMock<MockProtocolDelegate> test_delegate;
 460   EXPECT_CALL(test_delegate, UpdateStarted()).Times(1);
 461   EXPECT_CALL(test_delegate, GetChunks(_)).WillOnce(
 462       Invoke(testing::CreateFunctor(InvokeGetChunksCallback,
 463                                     std::vector<SBListChunkRanges>(),
 464                                     false)));
 465   EXPECT_CALL(test_delegate, UpdateFinished(true)).Times(1);
 466
 467   scoped_ptr<SafeBrowsingProtocolManager> pm(
 468       CreateProtocolManager(&test_delegate));
 469
 470   // Kick off initialization. This returns chunks from the DB synchronously.
 471   pm->ForceScheduleNextUpdate(TimeDelta());
 472   runner->RunPendingTasks();
 473
 474   // We should have an URLFetcher at this point in time.
 475   net::TestURLFetcher* url_fetcher = url_fetcher_factory.GetFetcherByID(0);
 476   ValidateUpdateFetcherRequest(url_fetcher);
 477
 478   // The update response is successful, but an invalid body.
 479   url_fetcher->set_status(net::URLRequestStatus());
 480   url_fetcher->set_response_code(200);
 481   url_fetcher->SetResponseString("THIS_IS_A_BAD_RESPONSE");
 482   url_fetcher->delegate()->OnURLFetchComplete(url_fetcher);
 483
 484   // There should now be a backup request.
 485   net::TestURLFetcher* backup_url_fetcher =
 486       url_fetcher_factory.GetFetcherByID(1);
 487   ValidateUpdateFetcherRequest(backup_url_fetcher,
 488                                kBackupHttpUrlPrefix);
 489
 490   // Respond to the backup successfully.
 491   backup_url_fetcher->set_status(net::URLRequestStatus());
 492   backup_url_fetcher->set_response_code(200);
 493   backup_url_fetcher->SetResponseString(std::string());
 494   backup_url_fetcher->delegate()->OnURLFetchComplete(backup_url_fetcher);
 495
 496   EXPECT_TRUE(pm->IsUpdateScheduled());
 497 }
 498
 499 // Tests what happens when there is an HTTP error response to the update
 500 // request, as well as an error response to the backup update request.
 501 TEST_F(SafeBrowsingProtocolManagerTest, UpdateResponseHttpErrorBackupError) {
 502   scoped_refptr<base::TestSimpleTaskRunner> runner(
 503       new base::TestSimpleTaskRunner());
 504   base::ThreadTaskRunnerHandle runner_handler(runner);
 505   net::TestURLFetcherFactory url_fetcher_factory;
 506
 507   testing::StrictMock<MockProtocolDelegate> test_delegate;
 508   EXPECT_CALL(test_delegate, UpdateStarted()).Times(1);
 509   EXPECT_CALL(test_delegate, GetChunks(_)).WillOnce(
 510       Invoke(testing::CreateFunctor(InvokeGetChunksCallback,
 511                                     std::vector<SBListChunkRanges>(),
 512                                     false)));
 513   EXPECT_CALL(test_delegate, UpdateFinished(false)).Times(1);
 514
 515   scoped_ptr<SafeBrowsingProtocolManager> pm(
 516       CreateProtocolManager(&test_delegate));
 517
 518   // Kick off initialization. This returns chunks from the DB synchronously.
 519   pm->ForceScheduleNextUpdate(TimeDelta());
 520   runner->RunPendingTasks();
 521
 522   // We should have an URLFetcher at this point in time.
 523   net::TestURLFetcher* url_fetcher = url_fetcher_factory.GetFetcherByID(0);
 524   ValidateUpdateFetcherRequest(url_fetcher);
 525
 526   // Go ahead and respond to it.
 527   url_fetcher->set_status(net::URLRequestStatus());
 528   url_fetcher->set_response_code(404);
 529   url_fetcher->SetResponseString(std::string());
 530   url_fetcher->delegate()->OnURLFetchComplete(url_fetcher);
 531
 532   // There should now be a backup request.
 533   net::TestURLFetcher* backup_url_fetcher =
 534       url_fetcher_factory.GetFetcherByID(1);
 535   ValidateUpdateFetcherRequest(backup_url_fetcher, kBackupHttpUrlPrefix);
 536
 537   // Respond to the backup unsuccessfully.
 538   backup_url_fetcher->set_status(net::URLRequestStatus());
 539   backup_url_fetcher->set_response_code(404);
 540   backup_url_fetcher->SetResponseString(std::string());
 541   backup_url_fetcher->delegate()->OnURLFetchComplete(backup_url_fetcher);
 542
 543   EXPECT_TRUE(pm->IsUpdateScheduled());
 544 }
 545
 546 // Tests what happens when there is an HTTP error response to the update
 547 // request, followed by a successful response to the backup update request.
 548 TEST_F(SafeBrowsingProtocolManagerTest, UpdateResponseHttpErrorBackupSuccess) {
 549   scoped_refptr<base::TestSimpleTaskRunner> runner(
 550       new base::TestSimpleTaskRunner());
 551   base::ThreadTaskRunnerHandle runner_handler(runner);
 552   net::TestURLFetcherFactory url_fetcher_factory;
 553
 554   testing::StrictMock<MockProtocolDelegate> test_delegate;
 555   EXPECT_CALL(test_delegate, UpdateStarted()).Times(1);
 556   EXPECT_CALL(test_delegate, GetChunks(_)).WillOnce(
 557       Invoke(testing::CreateFunctor(InvokeGetChunksCallback,
 558                                     std::vector<SBListChunkRanges>(),
 559                                     false)));
 560   EXPECT_CALL(test_delegate, UpdateFinished(true)).Times(1);
 561
 562   scoped_ptr<SafeBrowsingProtocolManager> pm(
 563       CreateProtocolManager(&test_delegate));
 564
 565   // Kick off initialization. This returns chunks from the DB synchronously.
 566   pm->ForceScheduleNextUpdate(TimeDelta());
 567   runner->RunPendingTasks();
 568
 569   // We should have an URLFetcher at this point in time.
 570   net::TestURLFetcher* url_fetcher = url_fetcher_factory.GetFetcherByID(0);
 571   ValidateUpdateFetcherRequest(url_fetcher);
 572
 573   // Go ahead and respond to it.
 574   url_fetcher->set_status(net::URLRequestStatus());
 575   url_fetcher->set_response_code(404);
 576   url_fetcher->SetResponseString(std::string());
 577   url_fetcher->delegate()->OnURLFetchComplete(url_fetcher);
 578
 579   // There should now be a backup request.
 580   net::TestURLFetcher* backup_url_fetcher =
 581       url_fetcher_factory.GetFetcherByID(1);
 582   ValidateUpdateFetcherRequest(backup_url_fetcher,
 583                                kBackupHttpUrlPrefix);
 584
 585   // Respond to the backup successfully.
 586   backup_url_fetcher->set_status(net::URLRequestStatus());
 587   backup_url_fetcher->set_response_code(200);
 588   backup_url_fetcher->SetResponseString(std::string());
 589   backup_url_fetcher->delegate()->OnURLFetchComplete(backup_url_fetcher);
 590
 591   EXPECT_TRUE(pm->IsUpdateScheduled());
 592 }
 593
 594 // Tests what happens when there is an HTTP error response to the update
 595 // request, and a timeout on the backup update request.
 596 TEST_F(SafeBrowsingProtocolManagerTest, UpdateResponseHttpErrorBackupTimeout) {
 597   scoped_refptr<base::TestSimpleTaskRunner> runner(
 598       new base::TestSimpleTaskRunner());
 599   base::ThreadTaskRunnerHandle runner_handler(runner);
 600   net::TestURLFetcherFactory url_fetcher_factory;
 601
 602   testing::StrictMock<MockProtocolDelegate> test_delegate;
 603   EXPECT_CALL(test_delegate, UpdateStarted()).Times(1);
 604   EXPECT_CALL(test_delegate, GetChunks(_)).WillOnce(
 605       Invoke(testing::CreateFunctor(InvokeGetChunksCallback,
 606                                     std::vector<SBListChunkRanges>(),
 607                                     false)));
 608   EXPECT_CALL(test_delegate, UpdateFinished(false)).Times(1);
 609
 610   scoped_ptr<SafeBrowsingProtocolManager> pm(
 611       CreateProtocolManager(&test_delegate));
 612
 613   // Kick off initialization. This returns chunks from the DB synchronously.
 614   pm->ForceScheduleNextUpdate(TimeDelta());
 615   runner->RunPendingTasks();
 616
 617   // We should have an URLFetcher at this point in time.
 618   net::TestURLFetcher* url_fetcher = url_fetcher_factory.GetFetcherByID(0);
 619   ValidateUpdateFetcherRequest(url_fetcher);
 620
 621   // Go ahead and respond to it.
 622   url_fetcher->set_status(net::URLRequestStatus());
 623   url_fetcher->set_response_code(404);
 624   url_fetcher->SetResponseString(std::string());
 625   url_fetcher->delegate()->OnURLFetchComplete(url_fetcher);
 626
 627   // There should now be a backup request.
 628   net::TestURLFetcher* backup_url_fetcher =
 629       url_fetcher_factory.GetFetcherByID(1);
 630   ValidateUpdateFetcherRequest(backup_url_fetcher, kBackupHttpUrlPrefix);
 631
 632   // Either one or two calls to RunPendingTasks are needed here. The first run
 633   // of RunPendingTasks will run the canceled timeout task associated with
 634   // the first Update request. Depending on timing, this will either directly
 635   // call the timeout task from the backup request, or schedule another task
 636   // to run that in the future.
 637   // TODO(cbentzel): Less fragile approach.
 638   runner->RunPendingTasks();
 639   if (!pm->IsUpdateScheduled())
 640     runner->RunPendingTasks();
 641   EXPECT_TRUE(pm->IsUpdateScheduled());
 642 }
 643
 644 // Tests what happens when there is a connection error when issuing the update
 645 // request, and an error with the backup update request.
 646 TEST_F(SafeBrowsingProtocolManagerTest,
 647        UpdateResponseConnectionErrorBackupError) {
 648   scoped_refptr<base::TestSimpleTaskRunner> runner(
 649       new base::TestSimpleTaskRunner());
 650   base::ThreadTaskRunnerHandle runner_handler(runner);
 651   net::TestURLFetcherFactory url_fetcher_factory;
 652
 653   testing::StrictMock<MockProtocolDelegate> test_delegate;
 654   EXPECT_CALL(test_delegate, UpdateStarted()).Times(1);
 655   EXPECT_CALL(test_delegate, GetChunks(_)).WillOnce(
 656       Invoke(testing::CreateFunctor(InvokeGetChunksCallback,
 657                                     std::vector<SBListChunkRanges>(),
 658                                     false)));
 659   EXPECT_CALL(test_delegate, UpdateFinished(false)).Times(1);
 660
 661   scoped_ptr<SafeBrowsingProtocolManager> pm(
 662       CreateProtocolManager(&test_delegate));
 663
 664   // Kick off initialization. This returns chunks from the DB synchronously.
 665   pm->ForceScheduleNextUpdate(TimeDelta());
 666   runner->RunPendingTasks();
 667
 668   // We should have an URLFetcher at this point in time.
 669   net::TestURLFetcher* url_fetcher = url_fetcher_factory.GetFetcherByID(0);
 670   ValidateUpdateFetcherRequest(url_fetcher);
 671
 672   // Go ahead and respond to it.
 673   url_fetcher->set_status(net::URLRequestStatus(net::URLRequestStatus::FAILED,
 674                                                 net::ERR_CONNECTION_RESET));
 675   url_fetcher->delegate()->OnURLFetchComplete(url_fetcher);
 676
 677   // There should be a backup URLFetcher now.
 678   net::TestURLFetcher* backup_url_fetcher =
 679       url_fetcher_factory.GetFetcherByID(1);
 680   ValidateUpdateFetcherRequest(backup_url_fetcher,
 681                                kBackupConnectUrlPrefix);
 682
 683   // Respond to the backup unsuccessfully.
 684   backup_url_fetcher->set_status(net::URLRequestStatus());
 685   backup_url_fetcher->set_response_code(404);
 686   backup_url_fetcher->SetResponseString(std::string());
 687   backup_url_fetcher->delegate()->OnURLFetchComplete(backup_url_fetcher);
 688
 689   EXPECT_TRUE(pm->IsUpdateScheduled());
 690 }
 691
 692 // Tests what happens when there is a connection error when issuing the update
 693 // request, and a successful response to the backup update request.
 694 TEST_F(SafeBrowsingProtocolManagerTest,
 695        UpdateResponseConnectionErrorBackupSuccess) {
 696   scoped_refptr<base::TestSimpleTaskRunner> runner(
 697       new base::TestSimpleTaskRunner());
 698   base::ThreadTaskRunnerHandle runner_handler(runner);
 699   net::TestURLFetcherFactory url_fetcher_factory;
 700
 701   testing::StrictMock<MockProtocolDelegate> test_delegate;
 702   EXPECT_CALL(test_delegate, UpdateStarted()).Times(1);
 703   EXPECT_CALL(test_delegate, GetChunks(_)).WillOnce(
 704       Invoke(testing::CreateFunctor(InvokeGetChunksCallback,
 705                                     std::vector<SBListChunkRanges>(),
 706                                     false)));
 707   EXPECT_CALL(test_delegate, UpdateFinished(true)).Times(1);
 708
 709   scoped_ptr<SafeBrowsingProtocolManager> pm(
 710       CreateProtocolManager(&test_delegate));
 711
 712   // Kick off initialization. This returns chunks from the DB synchronously.
 713   pm->ForceScheduleNextUpdate(TimeDelta());
 714   runner->RunPendingTasks();
 715
 716   // We should have an URLFetcher at this point in time.
 717   net::TestURLFetcher* url_fetcher = url_fetcher_factory.GetFetcherByID(0);
 718   ValidateUpdateFetcherRequest(url_fetcher);
 719
 720   // Go ahead and respond to it.
 721   url_fetcher->set_status(net::URLRequestStatus(net::URLRequestStatus::FAILED,
 722                                                 net::ERR_CONNECTION_RESET));
 723   url_fetcher->delegate()->OnURLFetchComplete(url_fetcher);
 724
 725   // There should be a backup URLFetcher now.
 726   net::TestURLFetcher* backup_url_fetcher =
 727       url_fetcher_factory.GetFetcherByID(1);
 728   ValidateUpdateFetcherRequest(backup_url_fetcher,
 729                                kBackupConnectUrlPrefix);
 730
 731   // Respond to the backup unsuccessfully.
 732   backup_url_fetcher->set_status(net::URLRequestStatus());
 733   backup_url_fetcher->set_response_code(200);
 734   backup_url_fetcher->SetResponseString(std::string());
 735   backup_url_fetcher->delegate()->OnURLFetchComplete(backup_url_fetcher);
 736
 737   EXPECT_TRUE(pm->IsUpdateScheduled());
 738 }
 739 // Tests what happens when there is a network state error when issuing the
 740 // update request, and an error with the backup update request.
 741 TEST_F(SafeBrowsingProtocolManagerTest,
 742        UpdateResponseNetworkErrorBackupError) {
 743   scoped_refptr<base::TestSimpleTaskRunner> runner(
 744       new base::TestSimpleTaskRunner());
 745   base::ThreadTaskRunnerHandle runner_handler(runner);
 746   net::TestURLFetcherFactory url_fetcher_factory;
 747
 748   testing::StrictMock<MockProtocolDelegate> test_delegate;
 749   EXPECT_CALL(test_delegate, UpdateStarted()).Times(1);
 750   EXPECT_CALL(test_delegate, GetChunks(_)).WillOnce(
 751       Invoke(testing::CreateFunctor(InvokeGetChunksCallback,
 752                                     std::vector<SBListChunkRanges>(),
 753                                     false)));
 754   EXPECT_CALL(test_delegate, UpdateFinished(false)).Times(1);
 755
 756   scoped_ptr<SafeBrowsingProtocolManager> pm(
 757       CreateProtocolManager(&test_delegate));
 758
 759   // Kick off initialization. This returns chunks from the DB synchronously.
 760   pm->ForceScheduleNextUpdate(TimeDelta());
 761   runner->RunPendingTasks();
 762
 763   // We should have an URLFetcher at this point in time.
 764   net::TestURLFetcher* url_fetcher = url_fetcher_factory.GetFetcherByID(0);
 765   ValidateUpdateFetcherRequest(url_fetcher);
 766
 767   // Go ahead and respond to it.
 768   url_fetcher->set_status(
 769       net::URLRequestStatus(net::URLRequestStatus::FAILED,
 770                             net::ERR_INTERNET_DISCONNECTED));
 771   url_fetcher->delegate()->OnURLFetchComplete(url_fetcher);
 772
 773   // There should be a backup URLFetcher now.
 774   net::TestURLFetcher* backup_url_fetcher =
 775       url_fetcher_factory.GetFetcherByID(1);
 776   ValidateUpdateFetcherRequest(backup_url_fetcher,
 777                                kBackupNetworkUrlPrefix);
 778
 779   // Respond to the backup unsuccessfully.
 780   backup_url_fetcher->set_status(net::URLRequestStatus());
 781   backup_url_fetcher->set_response_code(404);
 782   backup_url_fetcher->SetResponseString(std::string());
 783   backup_url_fetcher->delegate()->OnURLFetchComplete(backup_url_fetcher);
 784
 785   EXPECT_TRUE(pm->IsUpdateScheduled());
 786 }
 787
 788 // Tests what happens when there is a network state error when issuing the
 789 // update request, and a successful response to the backup update request.
 790 TEST_F(SafeBrowsingProtocolManagerTest,
 791        UpdateResponseNetworkErrorBackupSuccess) {
 792   scoped_refptr<base::TestSimpleTaskRunner> runner(
 793       new base::TestSimpleTaskRunner());
 794   base::ThreadTaskRunnerHandle runner_handler(runner);
 795   net::TestURLFetcherFactory url_fetcher_factory;
 796
 797   testing::StrictMock<MockProtocolDelegate> test_delegate;
 798   EXPECT_CALL(test_delegate, UpdateStarted()).Times(1);
 799   EXPECT_CALL(test_delegate, GetChunks(_)).WillOnce(
 800       Invoke(testing::CreateFunctor(InvokeGetChunksCallback,
 801                                     std::vector<SBListChunkRanges>(),
 802                                     false)));
 803   EXPECT_CALL(test_delegate, UpdateFinished(true)).Times(1);
 804
 805   scoped_ptr<SafeBrowsingProtocolManager> pm(
 806       CreateProtocolManager(&test_delegate));
 807
 808   // Kick off initialization. This returns chunks from the DB synchronously.
 809   pm->ForceScheduleNextUpdate(TimeDelta());
 810   runner->RunPendingTasks();
 811
 812   // We should have an URLFetcher at this point in time.
 813   net::TestURLFetcher* url_fetcher = url_fetcher_factory.GetFetcherByID(0);
 814   ValidateUpdateFetcherRequest(url_fetcher);
 815
 816   // Go ahead and respond to it.
 817   url_fetcher->set_status(
 818       net::URLRequestStatus(net::URLRequestStatus::FAILED,
 819                             net::ERR_INTERNET_DISCONNECTED));
 820   url_fetcher->delegate()->OnURLFetchComplete(url_fetcher);
 821
 822   // There should be a backup URLFetcher now.
 823   net::TestURLFetcher* backup_url_fetcher =
 824       url_fetcher_factory.GetFetcherByID(1);
 825   ValidateUpdateFetcherRequest(backup_url_fetcher,
 826                                kBackupNetworkUrlPrefix);
 827
 828   // Respond to the backup unsuccessfully.
 829   backup_url_fetcher->set_status(net::URLRequestStatus());
 830   backup_url_fetcher->set_response_code(200);
 831   backup_url_fetcher->SetResponseString(std::string());
 832   backup_url_fetcher->delegate()->OnURLFetchComplete(backup_url_fetcher);
 833
 834   EXPECT_TRUE(pm->IsUpdateScheduled());
 835 }
 836
 837 // Tests what happens when there is a timeout before an update response.
 838 TEST_F(SafeBrowsingProtocolManagerTest, UpdateResponseTimeoutBackupSuccess) {
 839   scoped_refptr<base::TestSimpleTaskRunner> runner(
 840       new base::TestSimpleTaskRunner());
 841   base::ThreadTaskRunnerHandle runner_handler(runner);
 842   net::TestURLFetcherFactory url_fetcher_factory;
 843
 844   testing::StrictMock<MockProtocolDelegate> test_delegate;
 845   EXPECT_CALL(test_delegate, UpdateStarted()).Times(1);
 846   EXPECT_CALL(test_delegate, GetChunks(_)).WillOnce(
 847       Invoke(testing::CreateFunctor(InvokeGetChunksCallback,
 848                                     std::vector<SBListChunkRanges>(),
 849                                     false)));
 850   EXPECT_CALL(test_delegate, UpdateFinished(true)).Times(1);
 851
 852   scoped_ptr<SafeBrowsingProtocolManager> pm(
 853       CreateProtocolManager(&test_delegate));
 854
 855   // Kick off initialization. This returns chunks from the DB synchronously.
 856   pm->ForceScheduleNextUpdate(TimeDelta());
 857   runner->RunPendingTasks();
 858
 859   // We should have an URLFetcher at this point in time.
 860   net::TestURLFetcher* url_fetcher = url_fetcher_factory.GetFetcherByID(0);
 861   ValidateUpdateFetcherRequest(url_fetcher);
 862
 863   // The first time RunPendingTasks is called above, the update timeout timer is
 864   // not handled. This call of RunPendingTasks will handle the update.
 865   runner->RunPendingTasks();
 866
 867   // There should be a backup URLFetcher now.
 868   net::TestURLFetcher* backup_url_fetcher =
 869       url_fetcher_factory.GetFetcherByID(1);
 870   ValidateUpdateFetcherRequest(backup_url_fetcher,
 871                                kBackupConnectUrlPrefix);
 872
 873   // Respond to the backup unsuccessfully.
 874   backup_url_fetcher->set_status(net::URLRequestStatus());
 875   backup_url_fetcher->set_response_code(200);
 876   backup_url_fetcher->SetResponseString(std::string());
 877   backup_url_fetcher->delegate()->OnURLFetchComplete(backup_url_fetcher);
 878
 879   EXPECT_TRUE(pm->IsUpdateScheduled());
 880 }
 881
 882 // Tests what happens when there is a reset command in the response.
 883 TEST_F(SafeBrowsingProtocolManagerTest, UpdateResponseReset) {
 884   scoped_refptr<base::TestSimpleTaskRunner> runner(
 885       new base::TestSimpleTaskRunner());
 886   base::ThreadTaskRunnerHandle runner_handler(runner);
 887   net::TestURLFetcherFactory url_fetcher_factory;
 888
 889   testing::StrictMock<MockProtocolDelegate> test_delegate;
 890   EXPECT_CALL(test_delegate, UpdateStarted()).Times(1);
 891   EXPECT_CALL(test_delegate, GetChunks(_)).WillOnce(
 892       Invoke(testing::CreateFunctor(InvokeGetChunksCallback,
 893                                     std::vector<SBListChunkRanges>(),
 894                                     false)));
 895   EXPECT_CALL(test_delegate, ResetDatabase()).Times(1);
 896   EXPECT_CALL(test_delegate, UpdateFinished(true)).Times(1);
 897
 898   scoped_ptr<SafeBrowsingProtocolManager> pm(
 899       CreateProtocolManager(&test_delegate));
 900
 901   // Kick off initialization. This returns chunks from the DB synchronously.
 902   pm->ForceScheduleNextUpdate(TimeDelta());
 903   runner->RunPendingTasks();
 904
 905   net::TestURLFetcher* url_fetcher = url_fetcher_factory.GetFetcherByID(0);
 906   ValidateUpdateFetcherRequest(url_fetcher);
 907
 908   // The update response is successful, and has a reset command.
 909   url_fetcher->set_status(net::URLRequestStatus());
 910   url_fetcher->set_response_code(200);
 911   url_fetcher->SetResponseString("r:pleasereset\n");
 912   url_fetcher->delegate()->OnURLFetchComplete(url_fetcher);
 913
 914   EXPECT_TRUE(pm->IsUpdateScheduled());
 915 }
 916
 917 // Tests a single valid update response, followed by a single redirect response
 918 // that has an valid, but empty body.
 919 TEST_F(SafeBrowsingProtocolManagerTest, EmptyRedirectResponse) {
 920   scoped_refptr<base::TestSimpleTaskRunner> runner(
 921       new base::TestSimpleTaskRunner());
 922   base::ThreadTaskRunnerHandle runner_handler(runner);
 923   net::TestURLFetcherFactory url_fetcher_factory;
 924
 925   testing::StrictMock<MockProtocolDelegate> test_delegate;
 926   EXPECT_CALL(test_delegate, UpdateStarted()).Times(1);
 927   EXPECT_CALL(test_delegate, GetChunks(_)).WillOnce(
 928       Invoke(testing::CreateFunctor(InvokeGetChunksCallback,
 929                                     std::vector<SBListChunkRanges>(),
 930                                     false)));
 931   EXPECT_CALL(test_delegate, UpdateFinished(true)).Times(1);
 932
 933   scoped_ptr<SafeBrowsingProtocolManager> pm(
 934       CreateProtocolManager(&test_delegate));
 935
 936   // Kick off initialization. This returns chunks from the DB synchronously.
 937   pm->ForceScheduleNextUpdate(TimeDelta());
 938   runner->RunPendingTasks();
 939
 940   // The update response contains a single redirect command.
 941   net::TestURLFetcher* url_fetcher = url_fetcher_factory.GetFetcherByID(0);
 942   ValidateUpdateFetcherRequest(url_fetcher);
 943   url_fetcher->set_status(net::URLRequestStatus());
 944   url_fetcher->set_response_code(200);
 945   url_fetcher->SetResponseString(
 946       base::StringPrintf("i:%s\n"
 947                          "u:redirect-server.example.com/path\n",
 948                          kDefaultPhishList));
 949   url_fetcher->delegate()->OnURLFetchComplete(url_fetcher);
 950
 951   // The redirect response contains an empty body.
 952   net::TestURLFetcher* chunk_url_fetcher =
 953       url_fetcher_factory.GetFetcherByID(1);
 954   ValidateRedirectFetcherRequest(
 955       chunk_url_fetcher, "https://redirect-server.example.com/path");
 956   chunk_url_fetcher->set_status(net::URLRequestStatus());
 957   chunk_url_fetcher->set_response_code(200);
 958   chunk_url_fetcher->SetResponseString(std::string());
 959   chunk_url_fetcher->delegate()->OnURLFetchComplete(chunk_url_fetcher);
 960
 961   EXPECT_TRUE(pm->IsUpdateScheduled());
 962 }
 963
 964 // Tests a single valid update response, followed by a single redirect response
 965 // that has an invalid body.
 966 TEST_F(SafeBrowsingProtocolManagerTest, InvalidRedirectResponse) {
 967   scoped_refptr<base::TestSimpleTaskRunner> runner(
 968       new base::TestSimpleTaskRunner());
 969   base::ThreadTaskRunnerHandle runner_handler(runner);
 970   net::TestURLFetcherFactory url_fetcher_factory;
 971
 972   testing::StrictMock<MockProtocolDelegate> test_delegate;
 973   EXPECT_CALL(test_delegate, UpdateStarted()).Times(1);
 974   EXPECT_CALL(test_delegate, GetChunks(_)).WillOnce(
 975       Invoke(testing::CreateFunctor(InvokeGetChunksCallback,
 976                                     std::vector<SBListChunkRanges>(),
 977                                     false)));
 978   EXPECT_CALL(test_delegate, UpdateFinished(false)).Times(1);
 979
 980   scoped_ptr<SafeBrowsingProtocolManager> pm(
 981       CreateProtocolManager(&test_delegate));
 982
 983   // Kick off initialization. This returns chunks from the DB synchronously.
 984   pm->ForceScheduleNextUpdate(TimeDelta());
 985   runner->RunPendingTasks();
 986
 987   // The update response contains a single redirect command.
 988   net::TestURLFetcher* url_fetcher = url_fetcher_factory.GetFetcherByID(0);
 989   ValidateUpdateFetcherRequest(url_fetcher);
 990   url_fetcher->set_status(net::URLRequestStatus());
 991   url_fetcher->set_response_code(200);
 992   url_fetcher->SetResponseString(
 993       base::StringPrintf("i:%s\n"
 994                          "u:redirect-server.example.com/path\n",
 995                          kDefaultPhishList));
 996   url_fetcher->delegate()->OnURLFetchComplete(url_fetcher);
 997
 998   // The redirect response contains an invalid body.
 999   net::TestURLFetcher* chunk_url_fetcher =
1000       url_fetcher_factory.GetFetcherByID(1);
1001   ValidateRedirectFetcherRequest(
1002       chunk_url_fetcher, "https://redirect-server.example.com/path");
1003   chunk_url_fetcher->set_status(net::URLRequestStatus());
1004   chunk_url_fetcher->set_response_code(200);
1005   chunk_url_fetcher->SetResponseString("THIS IS AN INVALID RESPONSE");
1006   chunk_url_fetcher->delegate()->OnURLFetchComplete(chunk_url_fetcher);
1007
1008   EXPECT_TRUE(pm->IsUpdateScheduled());
1009 }
1010
1011 // Tests a single valid update response, followed by a single redirect response
1012 // containing chunks.
1013 TEST_F(SafeBrowsingProtocolManagerTest, SingleRedirectResponseWithChunks) {
1014   scoped_refptr<base::TestSimpleTaskRunner> runner(
1015       new base::TestSimpleTaskRunner());
1016   base::ThreadTaskRunnerHandle runner_handler(runner);
1017   net::TestURLFetcherFactory url_fetcher_factory;
1018
1019   testing::StrictMock<MockProtocolDelegate> test_delegate;
1020   EXPECT_CALL(test_delegate, UpdateStarted()).Times(1);
1021   EXPECT_CALL(test_delegate, GetChunks(_)).WillOnce(
1022       Invoke(testing::CreateFunctor(InvokeGetChunksCallback,
1023                                     std::vector<SBListChunkRanges>(),
1024                                     false)));
1025   EXPECT_CALL(test_delegate, AddChunksRaw(kDefaultPhishList, _, _)).WillOnce(
1026       Invoke(HandleAddChunks));
1027   EXPECT_CALL(test_delegate, UpdateFinished(true)).Times(1);
1028
1029   scoped_ptr<SafeBrowsingProtocolManager> pm(
1030       CreateProtocolManager(&test_delegate));
1031
1032   // Kick off initialization. This returns chunks from the DB synchronously.
1033   pm->ForceScheduleNextUpdate(TimeDelta());
1034   runner->RunPendingTasks();
1035
1036   // The update response contains a single redirect command.
1037   net::TestURLFetcher* url_fetcher = url_fetcher_factory.GetFetcherByID(0);
1038   ValidateUpdateFetcherRequest(url_fetcher);
1039   url_fetcher->set_status(net::URLRequestStatus());
1040   url_fetcher->set_response_code(200);
1041   url_fetcher->SetResponseString(
1042       base::StringPrintf("i:%s\n"
1043                          "u:redirect-server.example.com/path\n",
1044                          kDefaultPhishList));
1045   url_fetcher->delegate()->OnURLFetchComplete(url_fetcher);
1046
1047   // The redirect response contains a single chunk.
1048   net::TestURLFetcher* chunk_url_fetcher =
1049       url_fetcher_factory.GetFetcherByID(1);
1050   ValidateRedirectFetcherRequest(
1051       chunk_url_fetcher, "https://redirect-server.example.com/path");
1052   chunk_url_fetcher->set_status(net::URLRequestStatus());
1053   chunk_url_fetcher->set_response_code(200);
1054   chunk_url_fetcher->SetResponseString(kChunkPayload1);
1055   chunk_url_fetcher->delegate()->OnURLFetchComplete(chunk_url_fetcher);
1056
1057   EXPECT_FALSE(pm->IsUpdateScheduled());
1058
1059   // The AddChunksCallback needs to be invoked.
1060   runner->RunPendingTasks();
1061
1062   EXPECT_TRUE(pm->IsUpdateScheduled());
1063 }
1064
1065 // Tests a single valid update response, followed by multiple redirect responses
1066 // containing chunks.
1067 TEST_F(SafeBrowsingProtocolManagerTest, MultipleRedirectResponsesWithChunks) {
1068   scoped_refptr<base::TestSimpleTaskRunner> runner(
1069       new base::TestSimpleTaskRunner());
1070   base::ThreadTaskRunnerHandle runner_handler(runner);
1071   net::TestURLFetcherFactory url_fetcher_factory;
1072
1073   testing::StrictMock<MockProtocolDelegate> test_delegate;
1074   EXPECT_CALL(test_delegate, UpdateStarted()).Times(1);
1075   EXPECT_CALL(test_delegate, GetChunks(_)).WillOnce(
1076       Invoke(testing::CreateFunctor(InvokeGetChunksCallback,
1077                                     std::vector<SBListChunkRanges>(),
1078                                     false)));
1079   EXPECT_CALL(test_delegate, AddChunksRaw(kDefaultPhishList, _, _)).
1080       WillRepeatedly(Invoke(HandleAddChunks));
1081   EXPECT_CALL(test_delegate, UpdateFinished(true)).Times(1);
1082
1083   scoped_ptr<SafeBrowsingProtocolManager> pm(
1084       CreateProtocolManager(&test_delegate));
1085
1086   // Kick off initialization. This returns chunks from the DB synchronously.
1087   pm->ForceScheduleNextUpdate(TimeDelta());
1088   runner->RunPendingTasks();
1089
1090   // The update response contains multiple redirect commands.
1091   net::TestURLFetcher* url_fetcher = url_fetcher_factory.GetFetcherByID(0);
1092   ValidateUpdateFetcherRequest(url_fetcher);
1093   url_fetcher->set_status(net::URLRequestStatus());
1094   url_fetcher->set_response_code(200);
1095   url_fetcher->SetResponseString(
1096       base::StringPrintf("i:%s\n"
1097                          "u:redirect-server.example.com/one\n"
1098                          "u:redirect-server.example.com/two\n",
1099                          kDefaultPhishList));
1100   url_fetcher->delegate()->OnURLFetchComplete(url_fetcher);
1101
1102   // The first redirect response contains a single chunk.
1103   net::TestURLFetcher* first_chunk_url_fetcher =
1104       url_fetcher_factory.GetFetcherByID(1);
1105   ValidateRedirectFetcherRequest(
1106       first_chunk_url_fetcher, "https://redirect-server.example.com/one");
1107   first_chunk_url_fetcher->set_status(net::URLRequestStatus());
1108   first_chunk_url_fetcher->set_response_code(200);
1109   first_chunk_url_fetcher->SetResponseString(kChunkPayload1);
1110   first_chunk_url_fetcher->delegate()->OnURLFetchComplete(
1111       first_chunk_url_fetcher);
1112
1113   // Invoke the AddChunksCallback to trigger the second request.
1114   runner->RunPendingTasks();
1115
1116   EXPECT_FALSE(pm->IsUpdateScheduled());
1117
1118   // The second redirect response contains a single chunk.
1119   net::TestURLFetcher* second_chunk_url_fetcher =
1120       url_fetcher_factory.GetFetcherByID(2);
1121   ValidateRedirectFetcherRequest(
1122       second_chunk_url_fetcher, "https://redirect-server.example.com/two");
1123   second_chunk_url_fetcher->set_status(net::URLRequestStatus());
1124   second_chunk_url_fetcher->set_response_code(200);
1125   second_chunk_url_fetcher->SetResponseString(kChunkPayload2);
1126   second_chunk_url_fetcher->delegate()->OnURLFetchComplete(
1127       second_chunk_url_fetcher);
1128
1129   EXPECT_FALSE(pm->IsUpdateScheduled());
1130
1131   // Invoke the AddChunksCallback to finish the update.
1132   runner->RunPendingTasks();
1133
1134   EXPECT_TRUE(pm->IsUpdateScheduled());
1135 }