chrome/browser/extensions/extension_special_storage_policy_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 "base/message_loop/message_loop.h"
   6 #include "base/values.h"
   7 #include "chrome/browser/content_settings/cookie_settings.h"
   8 #include "chrome/browser/extensions/extension_special_storage_policy.h"
   9 #include "chrome/test/base/testing_profile.h"
  10 #include "components/content_settings/core/common/content_settings.h"
  11 #include "components/content_settings/core/common/content_settings_types.h"
  12 #include "content/public/test/test_browser_thread.h"
  13 #include "extensions/common/extension.h"
  14 #include "extensions/common/extension_set.h"
  15 #include "extensions/common/manifest.h"
  16 #include "extensions/common/manifest_constants.h"
  17 #include "testing/gtest/include/gtest/gtest.h"
  18
  19 using content::BrowserThread;
  20 using extensions::Extension;
  21 using extensions::ExtensionSet;
  22 using extensions::Manifest;
  23 using storage::SpecialStoragePolicy;
  24
  25 typedef SpecialStoragePolicy::StoragePolicy StoragePolicy;
  26
  27 namespace keys = extensions::manifest_keys;
  28
  29 class ExtensionSpecialStoragePolicyTest : public testing::Test {
  30  protected:
  31   class PolicyChangeObserver : public SpecialStoragePolicy::Observer {
  32    public:
  33     PolicyChangeObserver()
  34         : expected_type_(NOTIFICATION_TYPE_NONE),
  35           expected_change_flags_(0) {
  36     }
  37
  38     void OnGranted(const GURL& origin, int change_flags) override {
  39       EXPECT_EQ(expected_type_, NOTIFICATION_TYPE_GRANT);
  40       EXPECT_EQ(expected_origin_, origin);
  41       EXPECT_EQ(expected_change_flags_, change_flags);
  42       expected_type_ = NOTIFICATION_TYPE_NONE;
  43     }
  44
  45     void OnRevoked(const GURL& origin, int change_flags) override {
  46       EXPECT_EQ(expected_type_, NOTIFICATION_TYPE_REVOKE);
  47       EXPECT_EQ(expected_origin_, origin);
  48       EXPECT_EQ(expected_change_flags_, change_flags);
  49       expected_type_ = NOTIFICATION_TYPE_NONE;
  50     }
  51
  52     void OnCleared() override {
  53       EXPECT_EQ(expected_type_, NOTIFICATION_TYPE_CLEAR);
  54       expected_type_ = NOTIFICATION_TYPE_NONE;
  55     }
  56
  57     void ExpectGrant(const std::string& extension_id,
  58                      int change_flags) {
  59       expected_type_ = NOTIFICATION_TYPE_GRANT;
  60       expected_origin_ = Extension::GetBaseURLFromExtensionId(extension_id);
  61       expected_change_flags_ = change_flags;
  62     }
  63
  64     void ExpectRevoke(const std::string& extension_id,
  65                       int change_flags) {
  66       expected_type_ = NOTIFICATION_TYPE_REVOKE;
  67       expected_origin_ = Extension::GetBaseURLFromExtensionId(extension_id);
  68       expected_change_flags_ = change_flags;
  69     }
  70
  71     void ExpectClear() {
  72       expected_type_ = NOTIFICATION_TYPE_CLEAR;
  73     }
  74
  75     bool IsCompleted() {
  76       return expected_type_ == NOTIFICATION_TYPE_NONE;
  77     }
  78
  79    private:
  80     enum {
  81       NOTIFICATION_TYPE_NONE,
  82       NOTIFICATION_TYPE_GRANT,
  83       NOTIFICATION_TYPE_REVOKE,
  84       NOTIFICATION_TYPE_CLEAR,
  85     } expected_type_;
  86
  87     GURL expected_origin_;
  88     int expected_change_flags_;
  89
  90     DISALLOW_COPY_AND_ASSIGN(PolicyChangeObserver);
  91   };
  92
  93   void SetUp() override { policy_ = new ExtensionSpecialStoragePolicy(NULL); }
  94
  95   scoped_refptr<Extension> CreateProtectedApp() {
  96 #if defined(OS_WIN)
  97     base::FilePath path(FILE_PATH_LITERAL("c:\\foo"));
  98 #elif defined(OS_POSIX)
  99     base::FilePath path(FILE_PATH_LITERAL("/foo"));
 100 #endif
 101     base::DictionaryValue manifest;
 102     manifest.SetString(keys::kName, "Protected");
 103     manifest.SetString(keys::kVersion, "1");
 104     manifest.SetString(keys::kLaunchWebURL, "http://explicit/protected/start");
 105     base::ListValue* list = new base::ListValue();
 106     list->Append(new base::StringValue("http://explicit/protected"));
 107     list->Append(new base::StringValue("*://*.wildcards/protected"));
 108     manifest.Set(keys::kWebURLs, list);
 109     std::string error;
 110     scoped_refptr<Extension> protected_app = Extension::Create(
 111         path, Manifest::INVALID_LOCATION, manifest,
 112         Extension::NO_FLAGS, &error);
 113     EXPECT_TRUE(protected_app.get()) << error;
 114     return protected_app;
 115   }
 116
 117   scoped_refptr<Extension> CreateUnlimitedApp() {
 118 #if defined(OS_WIN)
 119     base::FilePath path(FILE_PATH_LITERAL("c:\\bar"));
 120 #elif defined(OS_POSIX)
 121     base::FilePath path(FILE_PATH_LITERAL("/bar"));
 122 #endif
 123     base::DictionaryValue manifest;
 124     manifest.SetString(keys::kName, "Unlimited");
 125     manifest.SetString(keys::kVersion, "1");
 126     manifest.SetString(keys::kLaunchWebURL, "http://explicit/unlimited/start");
 127     base::ListValue* list = new base::ListValue();
 128     list->Append(new base::StringValue("unlimitedStorage"));
 129     manifest.Set(keys::kPermissions, list);
 130     list = new base::ListValue();
 131     list->Append(new base::StringValue("http://explicit/unlimited"));
 132     list->Append(new base::StringValue("*://*.wildcards/unlimited"));
 133     manifest.Set(keys::kWebURLs, list);
 134     std::string error;
 135     scoped_refptr<Extension> unlimited_app = Extension::Create(
 136         path, Manifest::INVALID_LOCATION, manifest,
 137         Extension::NO_FLAGS, &error);
 138     EXPECT_TRUE(unlimited_app.get()) << error;
 139     return unlimited_app;
 140   }
 141
 142   scoped_refptr<Extension> CreateRegularApp() {
 143 #if defined(OS_WIN)
 144     base::FilePath path(FILE_PATH_LITERAL("c:\\app"));
 145 #elif defined(OS_POSIX)
 146     base::FilePath path(FILE_PATH_LITERAL("/app"));
 147 #endif
 148     base::DictionaryValue manifest;
 149     manifest.SetString(keys::kName, "App");
 150     manifest.SetString(keys::kVersion, "1");
 151     manifest.SetString(keys::kPlatformAppBackgroundPage, "background.html");
 152     std::string error;
 153     scoped_refptr<Extension> app = Extension::Create(
 154         path, Manifest::INVALID_LOCATION, manifest,
 155         Extension::NO_FLAGS, &error);
 156     EXPECT_TRUE(app.get()) << error;
 157     return app;
 158   }
 159
 160   // Verifies that the set of extensions protecting |url| is *exactly* equal to
 161   // |expected_extensions|. Pass in an empty set to verify that an origin is not
 162   // protected.
 163   void ExpectProtectedBy(const ExtensionSet& expected_extensions,
 164                          const GURL& url) {
 165     const ExtensionSet* extensions = policy_->ExtensionsProtectingOrigin(url);
 166     EXPECT_EQ(expected_extensions.size(), extensions->size());
 167     for (ExtensionSet::const_iterator it = expected_extensions.begin();
 168          it != expected_extensions.end(); ++it) {
 169       EXPECT_TRUE(extensions->Contains((*it)->id()))
 170           << "Origin " << url << "not protected by extension ID "
 171           << (*it)->id();
 172     }
 173   }
 174
 175   scoped_refptr<ExtensionSpecialStoragePolicy> policy_;
 176 };
 177
 178 TEST_F(ExtensionSpecialStoragePolicyTest, EmptyPolicy) {
 179   const GURL kHttpUrl("http://foo");
 180   const GURL kExtensionUrl("chrome-extension://bar");
 181   scoped_refptr<Extension> app(CreateRegularApp());
 182
 183   EXPECT_FALSE(policy_->IsStorageUnlimited(kHttpUrl));
 184   EXPECT_FALSE(policy_->IsStorageUnlimited(kHttpUrl));  // test cached result
 185   EXPECT_FALSE(policy_->IsStorageUnlimited(kExtensionUrl));
 186   EXPECT_FALSE(policy_->IsStorageUnlimited(app->url()));
 187   ExtensionSet empty_set;
 188   ExpectProtectedBy(empty_set, kHttpUrl);
 189
 190   // This one is just based on the scheme.
 191   EXPECT_TRUE(policy_->IsStorageProtected(kExtensionUrl));
 192   EXPECT_TRUE(policy_->IsStorageProtected(app->url()));
 193 }
 194
 195 TEST_F(ExtensionSpecialStoragePolicyTest, AppWithProtectedStorage) {
 196   scoped_refptr<Extension> extension(CreateProtectedApp());
 197   policy_->GrantRightsForExtension(extension.get(), NULL);
 198   ExtensionSet protecting_extensions;
 199   protecting_extensions.Insert(extension);
 200   ExtensionSet empty_set;
 201
 202   EXPECT_FALSE(policy_->IsStorageUnlimited(extension->url()));
 203   EXPECT_FALSE(policy_->IsStorageUnlimited(GURL("http://explicit/")));
 204   ExpectProtectedBy(protecting_extensions, GURL("http://explicit/"));
 205   ExpectProtectedBy(protecting_extensions, GURL("http://explicit:6000/"));
 206   ExpectProtectedBy(protecting_extensions, GURL("http://foo.wildcards/"));
 207   ExpectProtectedBy(protecting_extensions, GURL("https://bar.wildcards/"));
 208   ExpectProtectedBy(empty_set, GURL("http://not_listed/"));
 209
 210   policy_->RevokeRightsForExtension(extension.get());
 211   ExpectProtectedBy(empty_set, GURL("http://explicit/"));
 212   ExpectProtectedBy(empty_set, GURL("http://foo.wildcards/"));
 213   ExpectProtectedBy(empty_set, GURL("https://bar.wildcards/"));
 214 }
 215
 216 TEST_F(ExtensionSpecialStoragePolicyTest, AppWithUnlimitedStorage) {
 217   scoped_refptr<Extension> extension(CreateUnlimitedApp());
 218   policy_->GrantRightsForExtension(extension.get(), NULL);
 219   ExtensionSet protecting_extensions;
 220   protecting_extensions.Insert(extension);
 221   ExtensionSet empty_set;
 222
 223   ExpectProtectedBy(protecting_extensions, GURL("http://explicit/"));
 224   ExpectProtectedBy(protecting_extensions, GURL("http://explicit:6000/"));
 225   ExpectProtectedBy(protecting_extensions, GURL("https://foo.wildcards/"));
 226   ExpectProtectedBy(protecting_extensions, GURL("https://foo.wildcards/"));
 227   ExpectProtectedBy(protecting_extensions, GURL("http://bar.wildcards/"));
 228   ExpectProtectedBy(empty_set, GURL("http://not_listed/"));
 229   EXPECT_TRUE(policy_->IsStorageUnlimited(extension->url()));
 230   EXPECT_TRUE(policy_->IsStorageUnlimited(GURL("http://explicit/")));
 231   EXPECT_TRUE(policy_->IsStorageUnlimited(GURL("http://explicit:6000/")));
 232   EXPECT_TRUE(policy_->IsStorageUnlimited(GURL("https://foo.wildcards/")));
 233   EXPECT_TRUE(policy_->IsStorageUnlimited(GURL("https://bar.wildcards/")));
 234   EXPECT_FALSE(policy_->IsStorageUnlimited(GURL("http://not_listed/")));
 235
 236   policy_->RevokeRightsForExtension(extension.get());
 237   ExpectProtectedBy(empty_set, GURL("http://explicit/"));
 238   ExpectProtectedBy(empty_set, GURL("https://foo.wildcards/"));
 239   ExpectProtectedBy(empty_set, GURL("https://foo.wildcards/"));
 240   ExpectProtectedBy(empty_set, GURL("http://bar.wildcards/"));
 241   EXPECT_FALSE(policy_->IsStorageUnlimited(GURL("http://explicit/")));
 242   EXPECT_FALSE(policy_->IsStorageUnlimited(GURL("https://foo.wildcards/")));
 243   EXPECT_FALSE(policy_->IsStorageUnlimited(GURL("https://bar.wildcards/")));
 244 }
 245
 246 TEST_F(ExtensionSpecialStoragePolicyTest, CanQueryDiskSize) {
 247   const GURL kHttpUrl("http://foo");
 248   const GURL kExtensionUrl("chrome-extension://bar");
 249   scoped_refptr<Extension> regular_app(CreateRegularApp());
 250   scoped_refptr<Extension> protected_app(CreateProtectedApp());
 251   scoped_refptr<Extension> unlimited_app(CreateUnlimitedApp());
 252   policy_->GrantRightsForExtension(regular_app.get(), NULL);
 253   policy_->GrantRightsForExtension(protected_app.get(), NULL);
 254   policy_->GrantRightsForExtension(unlimited_app.get(), NULL);
 255
 256   EXPECT_FALSE(policy_->CanQueryDiskSize(kHttpUrl));
 257   EXPECT_FALSE(policy_->CanQueryDiskSize(kExtensionUrl));
 258   EXPECT_TRUE(policy_->CanQueryDiskSize(regular_app->url()));
 259   EXPECT_TRUE(policy_->CanQueryDiskSize(protected_app->url()));
 260   EXPECT_TRUE(policy_->CanQueryDiskSize(unlimited_app->url()));
 261 }
 262
 263 TEST_F(ExtensionSpecialStoragePolicyTest, HasIsolatedStorage) {
 264   const GURL kHttpUrl("http://foo");
 265   const GURL kExtensionUrl("chrome-extension://bar");
 266   scoped_refptr<Extension> app(CreateRegularApp());
 267   policy_->GrantRightsForExtension(app.get(), NULL);
 268
 269   EXPECT_FALSE(policy_->HasIsolatedStorage(kHttpUrl));
 270   EXPECT_FALSE(policy_->HasIsolatedStorage(kExtensionUrl));
 271   EXPECT_TRUE(policy_->HasIsolatedStorage(app->url()));
 272 }
 273
 274 TEST_F(ExtensionSpecialStoragePolicyTest, OverlappingApps) {
 275   scoped_refptr<Extension> protected_app(CreateProtectedApp());
 276   scoped_refptr<Extension> unlimited_app(CreateUnlimitedApp());
 277   policy_->GrantRightsForExtension(protected_app.get(), NULL);
 278   policy_->GrantRightsForExtension(unlimited_app.get(), NULL);
 279   ExtensionSet protecting_extensions;
 280   ExtensionSet empty_set;
 281   protecting_extensions.Insert(protected_app);
 282   protecting_extensions.Insert(unlimited_app);
 283
 284   ExpectProtectedBy(protecting_extensions, GURL("http://explicit/"));
 285   ExpectProtectedBy(protecting_extensions, GURL("http://explicit:6000/"));
 286   ExpectProtectedBy(protecting_extensions, GURL("https://foo.wildcards/"));
 287   ExpectProtectedBy(protecting_extensions, GURL("https://foo.wildcards/"));
 288   ExpectProtectedBy(protecting_extensions, GURL("http://bar.wildcards/"));
 289   ExpectProtectedBy(empty_set, GURL("http://not_listed/"));
 290   EXPECT_TRUE(policy_->IsStorageUnlimited(GURL("http://explicit/")));
 291   EXPECT_TRUE(policy_->IsStorageUnlimited(GURL("http://explicit:6000/")));
 292   EXPECT_TRUE(policy_->IsStorageUnlimited(GURL("https://foo.wildcards/")));
 293   EXPECT_TRUE(policy_->IsStorageUnlimited(GURL("https://bar.wildcards/")));
 294   EXPECT_FALSE(policy_->IsStorageUnlimited(GURL("http://not_listed/")));
 295
 296   policy_->RevokeRightsForExtension(unlimited_app.get());
 297   protecting_extensions.Remove(unlimited_app->id());
 298   EXPECT_FALSE(policy_->IsStorageUnlimited(GURL("http://explicit/")));
 299   EXPECT_FALSE(policy_->IsStorageUnlimited(GURL("https://foo.wildcards/")));
 300   EXPECT_FALSE(policy_->IsStorageUnlimited(GURL("https://bar.wildcards/")));
 301   ExpectProtectedBy(protecting_extensions, GURL("http://explicit/"));
 302   ExpectProtectedBy(protecting_extensions, GURL("http://foo.wildcards/"));
 303   ExpectProtectedBy(protecting_extensions, GURL("https://bar.wildcards/"));
 304
 305   policy_->RevokeRightsForExtension(protected_app.get());
 306   ExpectProtectedBy(empty_set, GURL("http://explicit/"));
 307   ExpectProtectedBy(empty_set, GURL("http://foo.wildcards/"));
 308   ExpectProtectedBy(empty_set, GURL("https://bar.wildcards/"));
 309 }
 310
 311 TEST_F(ExtensionSpecialStoragePolicyTest, HasSessionOnlyOrigins) {
 312   base::MessageLoop message_loop;
 313   content::TestBrowserThread ui_thread(BrowserThread::UI, &message_loop);
 314
 315   TestingProfile profile;
 316   CookieSettings* cookie_settings =
 317       CookieSettings::Factory::GetForProfile(&profile).get();
 318   policy_ = new ExtensionSpecialStoragePolicy(cookie_settings);
 319
 320   EXPECT_FALSE(policy_->HasSessionOnlyOrigins());
 321
 322   // The default setting can be session-only.
 323   cookie_settings->SetDefaultCookieSetting(CONTENT_SETTING_SESSION_ONLY);
 324   EXPECT_TRUE(policy_->HasSessionOnlyOrigins());
 325
 326   cookie_settings->SetDefaultCookieSetting(CONTENT_SETTING_ALLOW);
 327   EXPECT_FALSE(policy_->HasSessionOnlyOrigins());
 328
 329   // Or the session-onlyness can affect individual origins.
 330   ContentSettingsPattern pattern =
 331       ContentSettingsPattern::FromString("pattern.com");
 332
 333   cookie_settings->SetCookieSetting(pattern,
 334                                     ContentSettingsPattern::Wildcard(),
 335                                     CONTENT_SETTING_SESSION_ONLY);
 336
 337   EXPECT_TRUE(policy_->HasSessionOnlyOrigins());
 338
 339   // Clearing an origin-specific rule.
 340   cookie_settings->ResetCookieSetting(pattern,
 341                                       ContentSettingsPattern::Wildcard());
 342
 343   EXPECT_FALSE(policy_->HasSessionOnlyOrigins());
 344 }
 345
 346 TEST_F(ExtensionSpecialStoragePolicyTest, NotificationTest) {
 347   base::MessageLoop message_loop;
 348   content::TestBrowserThread ui_thread(BrowserThread::UI, &message_loop);
 349   content::TestBrowserThread io_thread(BrowserThread::IO, &message_loop);
 350
 351   PolicyChangeObserver observer;
 352   policy_->AddObserver(&observer);
 353
 354   scoped_refptr<Extension> apps[] = {
 355     CreateProtectedApp(),
 356     CreateUnlimitedApp(),
 357   };
 358
 359   int change_flags[] = {
 360     SpecialStoragePolicy::STORAGE_PROTECTED,
 361
 362     SpecialStoragePolicy::STORAGE_PROTECTED |
 363     SpecialStoragePolicy::STORAGE_UNLIMITED,
 364   };
 365
 366   ASSERT_EQ(arraysize(apps), arraysize(change_flags));
 367   for (size_t i = 0; i < arraysize(apps); ++i) {
 368     SCOPED_TRACE(testing::Message() << "i: " << i);
 369     observer.ExpectGrant(apps[i]->id(), change_flags[i]);
 370     policy_->GrantRightsForExtension(apps[i].get(), NULL);
 371     message_loop.RunUntilIdle();
 372     EXPECT_TRUE(observer.IsCompleted());
 373   }
 374
 375   for (size_t i = 0; i < arraysize(apps); ++i) {
 376     SCOPED_TRACE(testing::Message() << "i: " << i);
 377     policy_->GrantRightsForExtension(apps[i].get(), NULL);
 378     message_loop.RunUntilIdle();
 379     EXPECT_TRUE(observer.IsCompleted());
 380   }
 381
 382   for (size_t i = 0; i < arraysize(apps); ++i) {
 383     SCOPED_TRACE(testing::Message() << "i: " << i);
 384     observer.ExpectRevoke(apps[i]->id(), change_flags[i]);
 385     policy_->RevokeRightsForExtension(apps[i].get());
 386     message_loop.RunUntilIdle();
 387     EXPECT_TRUE(observer.IsCompleted());
 388   }
 389
 390   for (size_t i = 0; i < arraysize(apps); ++i) {
 391     SCOPED_TRACE(testing::Message() << "i: " << i);
 392     policy_->RevokeRightsForExtension(apps[i].get());
 393     message_loop.RunUntilIdle();
 394     EXPECT_TRUE(observer.IsCompleted());
 395   }
 396
 397   observer.ExpectClear();
 398   policy_->RevokeRightsForAllExtensions();
 399   message_loop.RunUntilIdle();
 400   EXPECT_TRUE(observer.IsCompleted());
 401
 402   policy_->RemoveObserver(&observer);
 403 }