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/common/content_settings.h"
  10 #include "chrome/common/content_settings_types.h"
  11 #include "chrome/common/extensions/extension.h"
  12 #include "chrome/test/base/testing_profile.h"
  13 #include "content/public/test/test_browser_thread.h"
  14 #include "extensions/common/manifest.h"
  15 #include "extensions/common/manifest_constants.h"
  16 #include "testing/gtest/include/gtest/gtest.h"
  17
  18 using content::BrowserThread;
  19 using extensions::Extension;
  20 using extensions::Manifest;
  21 using quota::SpecialStoragePolicy;
  22
  23 typedef SpecialStoragePolicy::StoragePolicy StoragePolicy;
  24
  25 namespace keys = extensions::manifest_keys;
  26
  27 class ExtensionSpecialStoragePolicyTest : public testing::Test {
  28  protected:
  29   class PolicyChangeObserver : public SpecialStoragePolicy::Observer {
  30    public:
  31     PolicyChangeObserver()
  32         : expected_type_(NOTIFICATION_TYPE_NONE),
  33           expected_change_flags_(0) {
  34     }
  35
  36     virtual void OnGranted(const GURL& origin,
  37                            int change_flags) OVERRIDE {
  38       EXPECT_EQ(expected_type_, NOTIFICATION_TYPE_GRANT);
  39       EXPECT_EQ(expected_origin_, origin);
  40       EXPECT_EQ(expected_change_flags_, change_flags);
  41       expected_type_ = NOTIFICATION_TYPE_NONE;
  42     }
  43
  44     virtual void OnRevoked(const GURL& origin,
  45                            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     virtual 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   virtual void SetUp() OVERRIDE {
  94     policy_ = new ExtensionSpecialStoragePolicy(NULL);
  95   }
  96
  97   scoped_refptr<Extension> CreateProtectedApp() {
  98 #if defined(OS_WIN)
  99     base::FilePath path(FILE_PATH_LITERAL("c:\\foo"));
 100 #elif defined(OS_POSIX)
 101     base::FilePath path(FILE_PATH_LITERAL("/foo"));
 102 #endif
 103     DictionaryValue manifest;
 104     manifest.SetString(keys::kName, "Protected");
 105     manifest.SetString(keys::kVersion, "1");
 106     manifest.SetString(keys::kLaunchWebURL, "http://explicit/protected/start");
 107     base::ListValue* list = new base::ListValue();
 108     list->Append(new base::StringValue("http://explicit/protected"));
 109     list->Append(new base::StringValue("*://*.wildcards/protected"));
 110     manifest.Set(keys::kWebURLs, list);
 111     std::string error;
 112     scoped_refptr<Extension> protected_app = Extension::Create(
 113         path, Manifest::INVALID_LOCATION, manifest,
 114         Extension::NO_FLAGS, &error);
 115     EXPECT_TRUE(protected_app.get()) << error;
 116     return protected_app;
 117   }
 118
 119   scoped_refptr<Extension> CreateUnlimitedApp() {
 120 #if defined(OS_WIN)
 121     base::FilePath path(FILE_PATH_LITERAL("c:\\bar"));
 122 #elif defined(OS_POSIX)
 123     base::FilePath path(FILE_PATH_LITERAL("/bar"));
 124 #endif
 125     DictionaryValue manifest;
 126     manifest.SetString(keys::kName, "Unlimited");
 127     manifest.SetString(keys::kVersion, "1");
 128     manifest.SetString(keys::kLaunchWebURL, "http://explicit/unlimited/start");
 129     base::ListValue* list = new base::ListValue();
 130     list->Append(new base::StringValue("unlimitedStorage"));
 131     manifest.Set(keys::kPermissions, list);
 132     list = new base::ListValue();
 133     list->Append(new base::StringValue("http://explicit/unlimited"));
 134     list->Append(new base::StringValue("*://*.wildcards/unlimited"));
 135     manifest.Set(keys::kWebURLs, list);
 136     std::string error;
 137     scoped_refptr<Extension> unlimited_app = Extension::Create(
 138         path, Manifest::INVALID_LOCATION, manifest,
 139         Extension::NO_FLAGS, &error);
 140     EXPECT_TRUE(unlimited_app.get()) << error;
 141     return unlimited_app;
 142   }
 143
 144   scoped_refptr<Extension> CreateRegularApp() {
 145 #if defined(OS_WIN)
 146     base::FilePath path(FILE_PATH_LITERAL("c:\\app"));
 147 #elif defined(OS_POSIX)
 148     base::FilePath path(FILE_PATH_LITERAL("/app"));
 149 #endif
 150     DictionaryValue manifest;
 151     manifest.SetString(keys::kName, "App");
 152     manifest.SetString(keys::kVersion, "1");
 153     manifest.SetString(keys::kPlatformAppBackgroundPage, "background.html");
 154     std::string error;
 155     scoped_refptr<Extension> app = Extension::Create(
 156         path, Manifest::INVALID_LOCATION, manifest,
 157         Extension::NO_FLAGS, &error);
 158     EXPECT_TRUE(app.get()) << error;
 159     return app;
 160   }
 161
 162   // Verifies that the set of extensions protecting |url| is *exactly* equal to
 163   // |expected_extensions|. Pass in an empty set to verify that an origin is not
 164   // protected.
 165   void ExpectProtectedBy(const ExtensionSet& expected_extensions,
 166                          const GURL& url) {
 167     const ExtensionSet* extensions = policy_->ExtensionsProtectingOrigin(url);
 168     EXPECT_EQ(expected_extensions.size(), extensions->size());
 169     for (ExtensionSet::const_iterator it = expected_extensions.begin();
 170          it != expected_extensions.end(); ++it) {
 171       EXPECT_TRUE(extensions->Contains((*it)->id()))
 172           << "Origin " << url << "not protected by extension ID "
 173           << (*it)->id();
 174     }
 175   }
 176
 177   scoped_refptr<ExtensionSpecialStoragePolicy> policy_;
 178 };
 179
 180 TEST_F(ExtensionSpecialStoragePolicyTest, EmptyPolicy) {
 181   const GURL kHttpUrl("http://foo");
 182   const GURL kExtensionUrl("chrome-extension://bar");
 183   scoped_refptr<Extension> app(CreateRegularApp());
 184
 185   EXPECT_FALSE(policy_->IsStorageUnlimited(kHttpUrl));
 186   EXPECT_FALSE(policy_->IsStorageUnlimited(kHttpUrl));  // test cached result
 187   EXPECT_FALSE(policy_->IsStorageUnlimited(kExtensionUrl));
 188   EXPECT_FALSE(policy_->IsStorageUnlimited(app->url()));
 189   ExtensionSet empty_set;
 190   ExpectProtectedBy(empty_set, kHttpUrl);
 191
 192   // This one is just based on the scheme.
 193   EXPECT_TRUE(policy_->IsStorageProtected(kExtensionUrl));
 194   EXPECT_TRUE(policy_->IsStorageProtected(app->url()));
 195 }
 196
 197 TEST_F(ExtensionSpecialStoragePolicyTest, AppWithProtectedStorage) {
 198   scoped_refptr<Extension> extension(CreateProtectedApp());
 199   policy_->GrantRightsForExtension(extension.get());
 200   ExtensionSet protecting_extensions;
 201   protecting_extensions.Insert(extension);
 202   ExtensionSet empty_set;
 203
 204   EXPECT_FALSE(policy_->IsStorageUnlimited(extension->url()));
 205   EXPECT_FALSE(policy_->IsStorageUnlimited(GURL("http://explicit/")));
 206   ExpectProtectedBy(protecting_extensions, GURL("http://explicit/"));
 207   ExpectProtectedBy(protecting_extensions, GURL("http://explicit:6000/"));
 208   ExpectProtectedBy(protecting_extensions, GURL("http://foo.wildcards/"));
 209   ExpectProtectedBy(protecting_extensions, GURL("https://bar.wildcards/"));
 210   ExpectProtectedBy(empty_set, GURL("http://not_listed/"));
 211
 212   policy_->RevokeRightsForExtension(extension.get());
 213   ExpectProtectedBy(empty_set, GURL("http://explicit/"));
 214   ExpectProtectedBy(empty_set, GURL("http://foo.wildcards/"));
 215   ExpectProtectedBy(empty_set, GURL("https://bar.wildcards/"));
 216 }
 217
 218 TEST_F(ExtensionSpecialStoragePolicyTest, AppWithUnlimitedStorage) {
 219   scoped_refptr<Extension> extension(CreateUnlimitedApp());
 220   policy_->GrantRightsForExtension(extension.get());
 221   ExtensionSet protecting_extensions;
 222   protecting_extensions.Insert(extension);
 223   ExtensionSet empty_set;
 224
 225   ExpectProtectedBy(protecting_extensions, GURL("http://explicit/"));
 226   ExpectProtectedBy(protecting_extensions, GURL("http://explicit:6000/"));
 227   ExpectProtectedBy(protecting_extensions, GURL("https://foo.wildcards/"));
 228   ExpectProtectedBy(protecting_extensions, GURL("https://foo.wildcards/"));
 229   ExpectProtectedBy(protecting_extensions, GURL("http://bar.wildcards/"));
 230   ExpectProtectedBy(empty_set, GURL("http://not_listed/"));
 231   EXPECT_TRUE(policy_->IsStorageUnlimited(extension->url()));
 232   EXPECT_TRUE(policy_->IsStorageUnlimited(GURL("http://explicit/")));
 233   EXPECT_TRUE(policy_->IsStorageUnlimited(GURL("http://explicit:6000/")));
 234   EXPECT_TRUE(policy_->IsStorageUnlimited(GURL("https://foo.wildcards/")));
 235   EXPECT_TRUE(policy_->IsStorageUnlimited(GURL("https://bar.wildcards/")));
 236   EXPECT_FALSE(policy_->IsStorageUnlimited(GURL("http://not_listed/")));
 237
 238   policy_->RevokeRightsForExtension(extension.get());
 239   ExpectProtectedBy(empty_set, GURL("http://explicit/"));
 240   ExpectProtectedBy(empty_set, GURL("https://foo.wildcards/"));
 241   ExpectProtectedBy(empty_set, GURL("https://foo.wildcards/"));
 242   ExpectProtectedBy(empty_set, GURL("http://bar.wildcards/"));
 243   EXPECT_FALSE(policy_->IsStorageUnlimited(GURL("http://explicit/")));
 244   EXPECT_FALSE(policy_->IsStorageUnlimited(GURL("https://foo.wildcards/")));
 245   EXPECT_FALSE(policy_->IsStorageUnlimited(GURL("https://bar.wildcards/")));
 246 }
 247
 248 TEST_F(ExtensionSpecialStoragePolicyTest, CanQueryDiskSize) {
 249   const GURL kHttpUrl("http://foo");
 250   const GURL kExtensionUrl("chrome-extension://bar");
 251   scoped_refptr<Extension> regular_app(CreateRegularApp());
 252   scoped_refptr<Extension> protected_app(CreateProtectedApp());
 253   scoped_refptr<Extension> unlimited_app(CreateUnlimitedApp());
 254   policy_->GrantRightsForExtension(regular_app.get());
 255   policy_->GrantRightsForExtension(protected_app.get());
 256   policy_->GrantRightsForExtension(unlimited_app.get());
 257
 258   EXPECT_FALSE(policy_->CanQueryDiskSize(kHttpUrl));
 259   EXPECT_FALSE(policy_->CanQueryDiskSize(kExtensionUrl));
 260   EXPECT_TRUE(policy_->CanQueryDiskSize(regular_app->url()));
 261   EXPECT_TRUE(policy_->CanQueryDiskSize(protected_app->url()));
 262   EXPECT_TRUE(policy_->CanQueryDiskSize(unlimited_app->url()));
 263 }
 264
 265 TEST_F(ExtensionSpecialStoragePolicyTest, HasIsolatedStorage) {
 266   const GURL kHttpUrl("http://foo");
 267   const GURL kExtensionUrl("chrome-extension://bar");
 268   scoped_refptr<Extension> app(CreateRegularApp());
 269   policy_->GrantRightsForExtension(app.get());
 270
 271   EXPECT_FALSE(policy_->HasIsolatedStorage(kHttpUrl));
 272   EXPECT_FALSE(policy_->HasIsolatedStorage(kExtensionUrl));
 273   EXPECT_TRUE(policy_->HasIsolatedStorage(app->url()));
 274 }
 275
 276 TEST_F(ExtensionSpecialStoragePolicyTest, OverlappingApps) {
 277   scoped_refptr<Extension> protected_app(CreateProtectedApp());
 278   scoped_refptr<Extension> unlimited_app(CreateUnlimitedApp());
 279   policy_->GrantRightsForExtension(protected_app.get());
 280   policy_->GrantRightsForExtension(unlimited_app.get());
 281   ExtensionSet protecting_extensions;
 282   ExtensionSet empty_set;
 283   protecting_extensions.Insert(protected_app);
 284   protecting_extensions.Insert(unlimited_app);
 285
 286   ExpectProtectedBy(protecting_extensions, GURL("http://explicit/"));
 287   ExpectProtectedBy(protecting_extensions, GURL("http://explicit:6000/"));
 288   ExpectProtectedBy(protecting_extensions, GURL("https://foo.wildcards/"));
 289   ExpectProtectedBy(protecting_extensions, GURL("https://foo.wildcards/"));
 290   ExpectProtectedBy(protecting_extensions, GURL("http://bar.wildcards/"));
 291   ExpectProtectedBy(empty_set, GURL("http://not_listed/"));
 292   EXPECT_TRUE(policy_->IsStorageUnlimited(GURL("http://explicit/")));
 293   EXPECT_TRUE(policy_->IsStorageUnlimited(GURL("http://explicit:6000/")));
 294   EXPECT_TRUE(policy_->IsStorageUnlimited(GURL("https://foo.wildcards/")));
 295   EXPECT_TRUE(policy_->IsStorageUnlimited(GURL("https://bar.wildcards/")));
 296   EXPECT_FALSE(policy_->IsStorageUnlimited(GURL("http://not_listed/")));
 297
 298   policy_->RevokeRightsForExtension(unlimited_app.get());
 299   protecting_extensions.Remove(unlimited_app->id());
 300   EXPECT_FALSE(policy_->IsStorageUnlimited(GURL("http://explicit/")));
 301   EXPECT_FALSE(policy_->IsStorageUnlimited(GURL("https://foo.wildcards/")));
 302   EXPECT_FALSE(policy_->IsStorageUnlimited(GURL("https://bar.wildcards/")));
 303   ExpectProtectedBy(protecting_extensions, GURL("http://explicit/"));
 304   ExpectProtectedBy(protecting_extensions, GURL("http://foo.wildcards/"));
 305   ExpectProtectedBy(protecting_extensions, GURL("https://bar.wildcards/"));
 306
 307   policy_->RevokeRightsForExtension(protected_app.get());
 308   ExpectProtectedBy(empty_set, GURL("http://explicit/"));
 309   ExpectProtectedBy(empty_set, GURL("http://foo.wildcards/"));
 310   ExpectProtectedBy(empty_set, GURL("https://bar.wildcards/"));
 311 }
 312
 313 TEST_F(ExtensionSpecialStoragePolicyTest, HasSessionOnlyOrigins) {
 314   base::MessageLoop message_loop;
 315   content::TestBrowserThread ui_thread(BrowserThread::UI, &message_loop);
 316
 317   TestingProfile profile;
 318   CookieSettings* cookie_settings =
 319       CookieSettings::Factory::GetForProfile(&profile).get();
 320   policy_ = new ExtensionSpecialStoragePolicy(cookie_settings);
 321
 322   EXPECT_FALSE(policy_->HasSessionOnlyOrigins());
 323
 324   // The default setting can be session-only.
 325   cookie_settings->SetDefaultCookieSetting(CONTENT_SETTING_SESSION_ONLY);
 326   EXPECT_TRUE(policy_->HasSessionOnlyOrigins());
 327
 328   cookie_settings->SetDefaultCookieSetting(CONTENT_SETTING_ALLOW);
 329   EXPECT_FALSE(policy_->HasSessionOnlyOrigins());
 330
 331   // Or the session-onlyness can affect individual origins.
 332   ContentSettingsPattern pattern =
 333       ContentSettingsPattern::FromString("pattern.com");
 334
 335   cookie_settings->SetCookieSetting(pattern,
 336                                     ContentSettingsPattern::Wildcard(),
 337                                     CONTENT_SETTING_SESSION_ONLY);
 338
 339   EXPECT_TRUE(policy_->HasSessionOnlyOrigins());
 340
 341   // Clearing an origin-specific rule.
 342   cookie_settings->ResetCookieSetting(pattern,
 343                                       ContentSettingsPattern::Wildcard());
 344
 345   EXPECT_FALSE(policy_->HasSessionOnlyOrigins());
 346 }
 347
 348 TEST_F(ExtensionSpecialStoragePolicyTest, NotificationTest) {
 349   base::MessageLoop message_loop;
 350   content::TestBrowserThread ui_thread(BrowserThread::UI, &message_loop);
 351   content::TestBrowserThread io_thread(BrowserThread::IO, &message_loop);
 352
 353   PolicyChangeObserver observer;
 354   policy_->AddObserver(&observer);
 355
 356   scoped_refptr<Extension> apps[] = {
 357     CreateProtectedApp(),
 358     CreateUnlimitedApp(),
 359   };
 360
 361   int change_flags[] = {
 362     SpecialStoragePolicy::STORAGE_PROTECTED,
 363
 364     SpecialStoragePolicy::STORAGE_PROTECTED |
 365     SpecialStoragePolicy::STORAGE_UNLIMITED,
 366   };
 367
 368   ASSERT_EQ(arraysize(apps), arraysize(change_flags));
 369   for (size_t i = 0; i < arraysize(apps); ++i) {
 370     SCOPED_TRACE(testing::Message() << "i: " << i);
 371     observer.ExpectGrant(apps[i]->id(), change_flags[i]);
 372     policy_->GrantRightsForExtension(apps[i].get());
 373     message_loop.RunUntilIdle();
 374     EXPECT_TRUE(observer.IsCompleted());
 375   }
 376
 377   for (size_t i = 0; i < arraysize(apps); ++i) {
 378     SCOPED_TRACE(testing::Message() << "i: " << i);
 379     policy_->GrantRightsForExtension(apps[i].get());
 380     message_loop.RunUntilIdle();
 381     EXPECT_TRUE(observer.IsCompleted());
 382   }
 383
 384   for (size_t i = 0; i < arraysize(apps); ++i) {
 385     SCOPED_TRACE(testing::Message() << "i: " << i);
 386     observer.ExpectRevoke(apps[i]->id(), change_flags[i]);
 387     policy_->RevokeRightsForExtension(apps[i].get());
 388     message_loop.RunUntilIdle();
 389     EXPECT_TRUE(observer.IsCompleted());
 390   }
 391
 392   for (size_t i = 0; i < arraysize(apps); ++i) {
 393     SCOPED_TRACE(testing::Message() << "i: " << i);
 394     policy_->RevokeRightsForExtension(apps[i].get());
 395     message_loop.RunUntilIdle();
 396     EXPECT_TRUE(observer.IsCompleted());
 397   }
 398
 399   observer.ExpectClear();
 400   policy_->RevokeRightsForAllExtensions();
 401   message_loop.RunUntilIdle();
 402   EXPECT_TRUE(observer.IsCompleted());
 403
 404   policy_->RemoveObserver(&observer);
 405 }