chrome/common/extensions/permissions/permission_set_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/command_line.h"
   6 #include "base/json/json_file_value_serializer.h"
   7 #include "base/logging.h"
   8 #include "base/path_service.h"
   9 #include "base/strings/utf_string_conversions.h"
  10 #include "chrome/common/chrome_paths.h"
  11 #include "chrome/common/chrome_switches.h"
  12 #include "chrome/common/extensions/extension_test_util.h"
  13 #include "chrome/common/extensions/features/feature_channel.h"
  14 #include "chrome/common/extensions/permissions/chrome_permission_message_provider.h"
  15 #include "extensions/common/error_utils.h"
  16 #include "extensions/common/extension.h"
  17 #include "extensions/common/extension_builder.h"
  18 #include "extensions/common/permissions/permission_message_provider.h"
  19 #include "extensions/common/permissions/permission_message_util.h"
  20 #include "extensions/common/permissions/permission_set.h"
  21 #include "extensions/common/permissions/permissions_data.h"
  22 #include "extensions/common/permissions/permissions_info.h"
  23 #include "extensions/common/permissions/socket_permission.h"
  24 #include "extensions/common/value_builder.h"
  25 #include "grit/generated_resources.h"
  26 #include "testing/gtest/include/gtest/gtest.h"
  27 #include "ui/base/l10n/l10n_util.h"
  28
  29 using extension_test_util::LoadManifest;
  30
  31 namespace extensions {
  32
  33 namespace {
  34
  35 static void AddPattern(URLPatternSet* extent, const std::string& pattern) {
  36   int schemes = URLPattern::SCHEME_ALL;
  37   extent->AddPattern(URLPattern(schemes, pattern));
  38 }
  39
  40 size_t IndexOf(const std::vector<base::string16>& warnings,
  41                const std::string& warning) {
  42   for (size_t i = 0; i < warnings.size(); ++i) {
  43     if (warnings[i] == base::ASCIIToUTF16(warning))
  44       return i;
  45   }
  46
  47   return warnings.size();
  48 }
  49
  50 bool Contains(const std::vector<base::string16>& warnings,
  51               const std::string& warning) {
  52   return IndexOf(warnings, warning) != warnings.size();
  53 }
  54
  55 }  // namespace
  56
  57 // Tests GetByID.
  58 TEST(PermissionsTest, GetByID) {
  59   PermissionsInfo* info = PermissionsInfo::GetInstance();
  60   APIPermissionSet apis = info->GetAll();
  61   for (APIPermissionSet::const_iterator i = apis.begin();
  62        i != apis.end(); ++i) {
  63     EXPECT_EQ(i->id(), i->info()->id());
  64   }
  65 }
  66
  67 // Tests that GetByName works with normal permission names and aliases.
  68 TEST(PermissionsTest, GetByName) {
  69   PermissionsInfo* info = PermissionsInfo::GetInstance();
  70   EXPECT_EQ(APIPermission::kTab, info->GetByName("tabs")->id());
  71   EXPECT_EQ(APIPermission::kManagement,
  72             info->GetByName("management")->id());
  73   EXPECT_FALSE(info->GetByName("alsdkfjasldkfj"));
  74 }
  75
  76 TEST(PermissionsTest, GetAll) {
  77   size_t count = 0;
  78   PermissionsInfo* info = PermissionsInfo::GetInstance();
  79   APIPermissionSet apis = info->GetAll();
  80   for (APIPermissionSet::const_iterator api = apis.begin();
  81        api != apis.end(); ++api) {
  82     // Make sure only the valid permission IDs get returned.
  83     EXPECT_NE(APIPermission::kInvalid, api->id());
  84     EXPECT_NE(APIPermission::kUnknown, api->id());
  85     count++;
  86   }
  87   EXPECT_EQ(count, info->get_permission_count());
  88 }
  89
  90 TEST(PermissionsTest, GetAllByName) {
  91   std::set<std::string> names;
  92   names.insert("background");
  93   names.insert("management");
  94
  95   // This is an alias of kTab
  96   names.insert("windows");
  97
  98   // This unknown name should get dropped.
  99   names.insert("sdlkfjasdlkfj");
 100
 101   APIPermissionSet expected;
 102   expected.insert(APIPermission::kBackground);
 103   expected.insert(APIPermission::kManagement);
 104   expected.insert(APIPermission::kTab);
 105
 106   EXPECT_EQ(expected,
 107             PermissionsInfo::GetInstance()->GetAllByName(names));
 108 }
 109
 110 // Tests that the aliases are properly mapped.
 111 TEST(PermissionsTest, Aliases) {
 112   PermissionsInfo* info = PermissionsInfo::GetInstance();
 113   // tabs: tabs, windows
 114   std::string tabs_name = "tabs";
 115   EXPECT_EQ(tabs_name, info->GetByID(APIPermission::kTab)->name());
 116   EXPECT_EQ(APIPermission::kTab, info->GetByName("tabs")->id());
 117   EXPECT_EQ(APIPermission::kTab, info->GetByName("windows")->id());
 118
 119   // unlimitedStorage: unlimitedStorage, unlimited_storage
 120   std::string storage_name = "unlimitedStorage";
 121   EXPECT_EQ(storage_name, info->GetByID(
 122       APIPermission::kUnlimitedStorage)->name());
 123   EXPECT_EQ(APIPermission::kUnlimitedStorage,
 124             info->GetByName("unlimitedStorage")->id());
 125   EXPECT_EQ(APIPermission::kUnlimitedStorage,
 126             info->GetByName("unlimited_storage")->id());
 127 }
 128
 129 TEST(PermissionsTest, EffectiveHostPermissions) {
 130   scoped_refptr<Extension> extension;
 131   scoped_refptr<const PermissionSet> permissions;
 132
 133   extension = LoadManifest("effective_host_permissions", "empty.json");
 134   permissions = extension->GetActivePermissions();
 135   EXPECT_EQ(0u,
 136             PermissionsData::GetEffectiveHostPermissions(extension.get())
 137                 .patterns().size());
 138   EXPECT_FALSE(
 139       permissions->HasEffectiveAccessToURL(GURL("http://www.google.com")));
 140   EXPECT_FALSE(permissions->HasEffectiveAccessToAllHosts());
 141
 142   extension = LoadManifest("effective_host_permissions", "one_host.json");
 143   permissions = extension->GetActivePermissions();
 144   EXPECT_TRUE(permissions->HasEffectiveAccessToURL(
 145       GURL("http://www.google.com")));
 146   EXPECT_FALSE(permissions->HasEffectiveAccessToURL(
 147       GURL("https://www.google.com")));
 148   EXPECT_FALSE(permissions->HasEffectiveAccessToAllHosts());
 149
 150   extension = LoadManifest("effective_host_permissions",
 151                            "one_host_wildcard.json");
 152   permissions = extension->GetActivePermissions();
 153   EXPECT_TRUE(permissions->HasEffectiveAccessToURL(GURL("http://google.com")));
 154   EXPECT_TRUE(permissions->HasEffectiveAccessToURL(
 155       GURL("http://foo.google.com")));
 156   EXPECT_FALSE(permissions->HasEffectiveAccessToAllHosts());
 157
 158   extension = LoadManifest("effective_host_permissions", "two_hosts.json");
 159   permissions = extension->GetActivePermissions();
 160   EXPECT_TRUE(permissions->HasEffectiveAccessToURL(
 161       GURL("http://www.google.com")));
 162   EXPECT_TRUE(permissions->HasEffectiveAccessToURL(
 163       GURL("http://www.reddit.com")));
 164   EXPECT_FALSE(permissions->HasEffectiveAccessToAllHosts());
 165
 166   extension = LoadManifest("effective_host_permissions",
 167                            "https_not_considered.json");
 168   permissions = extension->GetActivePermissions();
 169   EXPECT_TRUE(permissions->HasEffectiveAccessToURL(GURL("http://google.com")));
 170   EXPECT_TRUE(permissions->HasEffectiveAccessToURL(GURL("https://google.com")));
 171   EXPECT_FALSE(permissions->HasEffectiveAccessToAllHosts());
 172
 173   extension = LoadManifest("effective_host_permissions",
 174                            "two_content_scripts.json");
 175   permissions = extension->GetActivePermissions();
 176   EXPECT_TRUE(permissions->HasEffectiveAccessToURL(GURL("http://google.com")));
 177   EXPECT_TRUE(permissions->HasEffectiveAccessToURL(
 178       GURL("http://www.reddit.com")));
 179   EXPECT_TRUE(permissions->HasEffectiveAccessToURL(
 180       GURL("http://news.ycombinator.com")));
 181   EXPECT_FALSE(permissions->HasEffectiveAccessToAllHosts());
 182
 183   extension = LoadManifest("effective_host_permissions", "all_hosts.json");
 184   permissions = extension->GetActivePermissions();
 185   EXPECT_TRUE(permissions->HasEffectiveAccessToURL(GURL("http://test/")));
 186   EXPECT_FALSE(permissions->HasEffectiveAccessToURL(GURL("https://test/")));
 187   EXPECT_TRUE(
 188       permissions->HasEffectiveAccessToURL(GURL("http://www.google.com")));
 189   EXPECT_TRUE(permissions->HasEffectiveAccessToAllHosts());
 190
 191   extension = LoadManifest("effective_host_permissions", "all_hosts2.json");
 192   permissions = extension->GetActivePermissions();
 193   EXPECT_TRUE(permissions->HasEffectiveAccessToURL(GURL("http://test/")));
 194   EXPECT_TRUE(
 195       permissions->HasEffectiveAccessToURL(GURL("http://www.google.com")));
 196   EXPECT_TRUE(permissions->HasEffectiveAccessToAllHosts());
 197
 198   extension = LoadManifest("effective_host_permissions", "all_hosts3.json");
 199   permissions = extension->GetActivePermissions();
 200   EXPECT_FALSE(permissions->HasEffectiveAccessToURL(GURL("http://test/")));
 201   EXPECT_TRUE(permissions->HasEffectiveAccessToURL(GURL("https://test/")));
 202   EXPECT_TRUE(
 203       permissions->HasEffectiveAccessToURL(GURL("http://www.google.com")));
 204   EXPECT_TRUE(permissions->HasEffectiveAccessToAllHosts());
 205 }
 206
 207 TEST(PermissionsTest, ExplicitAccessToOrigin) {
 208   APIPermissionSet apis;
 209   ManifestPermissionSet manifest_permissions;
 210   URLPatternSet explicit_hosts;
 211   URLPatternSet scriptable_hosts;
 212
 213   AddPattern(&explicit_hosts, "http://*.google.com/*");
 214   // The explicit host paths should get set to /*.
 215   AddPattern(&explicit_hosts, "http://www.example.com/a/particular/path/*");
 216
 217   scoped_refptr<PermissionSet> perm_set = new PermissionSet(
 218       apis, manifest_permissions, explicit_hosts, scriptable_hosts);
 219   ASSERT_TRUE(perm_set->HasExplicitAccessToOrigin(
 220       GURL("http://www.google.com/")));
 221   ASSERT_TRUE(perm_set->HasExplicitAccessToOrigin(
 222       GURL("http://test.google.com/")));
 223   ASSERT_TRUE(perm_set->HasExplicitAccessToOrigin(
 224       GURL("http://www.example.com")));
 225   ASSERT_TRUE(perm_set->HasEffectiveAccessToURL(
 226       GURL("http://www.example.com")));
 227   ASSERT_FALSE(perm_set->HasExplicitAccessToOrigin(
 228       GURL("http://test.example.com")));
 229 }
 230
 231 TEST(PermissionsTest, CreateUnion) {
 232   APIPermission* permission = NULL;
 233
 234   ManifestPermissionSet manifest_permissions;
 235   APIPermissionSet apis1;
 236   APIPermissionSet apis2;
 237   APIPermissionSet expected_apis;
 238
 239   URLPatternSet explicit_hosts1;
 240   URLPatternSet explicit_hosts2;
 241   URLPatternSet expected_explicit_hosts;
 242
 243   URLPatternSet scriptable_hosts1;
 244   URLPatternSet scriptable_hosts2;
 245   URLPatternSet expected_scriptable_hosts;
 246
 247   URLPatternSet effective_hosts;
 248
 249   scoped_refptr<PermissionSet> set1;
 250   scoped_refptr<PermissionSet> set2;
 251   scoped_refptr<PermissionSet> union_set;
 252
 253   const APIPermissionInfo* permission_info =
 254     PermissionsInfo::GetInstance()->GetByID(APIPermission::kSocket);
 255   permission = permission_info->CreateAPIPermission();
 256   {
 257     scoped_ptr<base::ListValue> value(new base::ListValue());
 258     value->Append(
 259         base::Value::CreateStringValue("tcp-connect:*.example.com:80"));
 260     value->Append(base::Value::CreateStringValue("udp-bind::8080"));
 261     value->Append(base::Value::CreateStringValue("udp-send-to::8888"));
 262     ASSERT_TRUE(permission->FromValue(value.get(), NULL, NULL));
 263   }
 264
 265   // Union with an empty set.
 266   apis1.insert(APIPermission::kTab);
 267   apis1.insert(APIPermission::kBackground);
 268   apis1.insert(permission->Clone());
 269   expected_apis.insert(APIPermission::kTab);
 270   expected_apis.insert(APIPermission::kBackground);
 271   expected_apis.insert(permission);
 272
 273   AddPattern(&explicit_hosts1, "http://*.google.com/*");
 274   AddPattern(&expected_explicit_hosts, "http://*.google.com/*");
 275   AddPattern(&effective_hosts, "http://*.google.com/*");
 276
 277   set1 = new PermissionSet(apis1, manifest_permissions,
 278                            explicit_hosts1, scriptable_hosts1);
 279   set2 = new PermissionSet(apis2, manifest_permissions,
 280                            explicit_hosts2, scriptable_hosts2);
 281   union_set = PermissionSet::CreateUnion(set1.get(), set2.get());
 282   EXPECT_TRUE(set1->Contains(*set2.get()));
 283   EXPECT_TRUE(set1->Contains(*union_set.get()));
 284   EXPECT_FALSE(set2->Contains(*set1.get()));
 285   EXPECT_FALSE(set2->Contains(*union_set.get()));
 286   EXPECT_TRUE(union_set->Contains(*set1.get()));
 287   EXPECT_TRUE(union_set->Contains(*set2.get()));
 288
 289   EXPECT_FALSE(union_set->HasEffectiveFullAccess());
 290   EXPECT_EQ(expected_apis, union_set->apis());
 291   EXPECT_EQ(expected_explicit_hosts, union_set->explicit_hosts());
 292   EXPECT_EQ(expected_scriptable_hosts, union_set->scriptable_hosts());
 293   EXPECT_EQ(expected_explicit_hosts, union_set->effective_hosts());
 294
 295   // Now use a real second set.
 296   apis2.insert(APIPermission::kTab);
 297   apis2.insert(APIPermission::kProxy);
 298   apis2.insert(APIPermission::kClipboardWrite);
 299   apis2.insert(APIPermission::kPlugin);
 300
 301   permission = permission_info->CreateAPIPermission();
 302   {
 303     scoped_ptr<base::ListValue> value(new base::ListValue());
 304     value->Append(
 305         base::Value::CreateStringValue("tcp-connect:*.example.com:80"));
 306     value->Append(base::Value::CreateStringValue("udp-send-to::8899"));
 307     ASSERT_TRUE(permission->FromValue(value.get(), NULL, NULL));
 308   }
 309   apis2.insert(permission);
 310
 311   expected_apis.insert(APIPermission::kTab);
 312   expected_apis.insert(APIPermission::kProxy);
 313   expected_apis.insert(APIPermission::kClipboardWrite);
 314   expected_apis.insert(APIPermission::kPlugin);
 315
 316   permission = permission_info->CreateAPIPermission();
 317   {
 318     scoped_ptr<base::ListValue> value(new base::ListValue());
 319     value->Append(
 320         base::Value::CreateStringValue("tcp-connect:*.example.com:80"));
 321     value->Append(base::Value::CreateStringValue("udp-bind::8080"));
 322     value->Append(base::Value::CreateStringValue("udp-send-to::8888"));
 323     value->Append(base::Value::CreateStringValue("udp-send-to::8899"));
 324     ASSERT_TRUE(permission->FromValue(value.get(), NULL, NULL));
 325   }
 326   // Insert a new permission socket permisssion which will replace the old one.
 327   expected_apis.insert(permission);
 328
 329   AddPattern(&explicit_hosts2, "http://*.example.com/*");
 330   AddPattern(&scriptable_hosts2, "http://*.google.com/*");
 331   AddPattern(&expected_explicit_hosts, "http://*.example.com/*");
 332   AddPattern(&expected_scriptable_hosts, "http://*.google.com/*");
 333
 334   URLPatternSet::CreateUnion(
 335       explicit_hosts2, scriptable_hosts2, &effective_hosts);
 336
 337   set2 = new PermissionSet(apis2, manifest_permissions,
 338                            explicit_hosts2, scriptable_hosts2);
 339   union_set = PermissionSet::CreateUnion(set1.get(), set2.get());
 340
 341   EXPECT_FALSE(set1->Contains(*set2.get()));
 342   EXPECT_FALSE(set1->Contains(*union_set.get()));
 343   EXPECT_FALSE(set2->Contains(*set1.get()));
 344   EXPECT_FALSE(set2->Contains(*union_set.get()));
 345   EXPECT_TRUE(union_set->Contains(*set1.get()));
 346   EXPECT_TRUE(union_set->Contains(*set2.get()));
 347
 348   EXPECT_TRUE(union_set->HasEffectiveFullAccess());
 349   EXPECT_TRUE(union_set->HasEffectiveAccessToAllHosts());
 350   EXPECT_EQ(expected_apis, union_set->apis());
 351   EXPECT_EQ(expected_explicit_hosts, union_set->explicit_hosts());
 352   EXPECT_EQ(expected_scriptable_hosts, union_set->scriptable_hosts());
 353   EXPECT_EQ(effective_hosts, union_set->effective_hosts());
 354 }
 355
 356 TEST(PermissionsTest, CreateIntersection) {
 357   APIPermission* permission = NULL;
 358
 359   ManifestPermissionSet manifest_permissions;
 360   APIPermissionSet apis1;
 361   APIPermissionSet apis2;
 362   APIPermissionSet expected_apis;
 363
 364   URLPatternSet explicit_hosts1;
 365   URLPatternSet explicit_hosts2;
 366   URLPatternSet expected_explicit_hosts;
 367
 368   URLPatternSet scriptable_hosts1;
 369   URLPatternSet scriptable_hosts2;
 370   URLPatternSet expected_scriptable_hosts;
 371
 372   URLPatternSet effective_hosts;
 373
 374   scoped_refptr<PermissionSet> set1;
 375   scoped_refptr<PermissionSet> set2;
 376   scoped_refptr<PermissionSet> new_set;
 377
 378   const APIPermissionInfo* permission_info =
 379     PermissionsInfo::GetInstance()->GetByID(APIPermission::kSocket);
 380
 381   // Intersection with an empty set.
 382   apis1.insert(APIPermission::kTab);
 383   apis1.insert(APIPermission::kBackground);
 384   permission = permission_info->CreateAPIPermission();
 385   {
 386     scoped_ptr<base::ListValue> value(new base::ListValue());
 387     value->Append(
 388         base::Value::CreateStringValue("tcp-connect:*.example.com:80"));
 389     value->Append(base::Value::CreateStringValue("udp-bind::8080"));
 390     value->Append(base::Value::CreateStringValue("udp-send-to::8888"));
 391     ASSERT_TRUE(permission->FromValue(value.get(), NULL, NULL));
 392   }
 393   apis1.insert(permission);
 394
 395   AddPattern(&explicit_hosts1, "http://*.google.com/*");
 396   AddPattern(&scriptable_hosts1, "http://www.reddit.com/*");
 397
 398   set1 = new PermissionSet(apis1, manifest_permissions,
 399                            explicit_hosts1, scriptable_hosts1);
 400   set2 = new PermissionSet(apis2, manifest_permissions,
 401                            explicit_hosts2, scriptable_hosts2);
 402   new_set = PermissionSet::CreateIntersection(set1.get(), set2.get());
 403   EXPECT_TRUE(set1->Contains(*new_set.get()));
 404   EXPECT_TRUE(set2->Contains(*new_set.get()));
 405   EXPECT_TRUE(set1->Contains(*set2.get()));
 406   EXPECT_FALSE(set2->Contains(*set1.get()));
 407   EXPECT_FALSE(new_set->Contains(*set1.get()));
 408   EXPECT_TRUE(new_set->Contains(*set2.get()));
 409
 410   EXPECT_TRUE(new_set->IsEmpty());
 411   EXPECT_FALSE(new_set->HasEffectiveFullAccess());
 412   EXPECT_EQ(expected_apis, new_set->apis());
 413   EXPECT_EQ(expected_explicit_hosts, new_set->explicit_hosts());
 414   EXPECT_EQ(expected_scriptable_hosts, new_set->scriptable_hosts());
 415   EXPECT_EQ(expected_explicit_hosts, new_set->effective_hosts());
 416
 417   // Now use a real second set.
 418   apis2.insert(APIPermission::kTab);
 419   apis2.insert(APIPermission::kProxy);
 420   apis2.insert(APIPermission::kClipboardWrite);
 421   apis2.insert(APIPermission::kPlugin);
 422   permission = permission_info->CreateAPIPermission();
 423   {
 424     scoped_ptr<base::ListValue> value(new base::ListValue());
 425     value->Append(base::Value::CreateStringValue("udp-bind::8080"));
 426     value->Append(base::Value::CreateStringValue("udp-send-to::8888"));
 427     value->Append(base::Value::CreateStringValue("udp-send-to::8899"));
 428     ASSERT_TRUE(permission->FromValue(value.get(), NULL, NULL));
 429   }
 430   apis2.insert(permission);
 431
 432   expected_apis.insert(APIPermission::kTab);
 433   permission = permission_info->CreateAPIPermission();
 434   {
 435     scoped_ptr<base::ListValue> value(new base::ListValue());
 436     value->Append(base::Value::CreateStringValue("udp-bind::8080"));
 437     value->Append(base::Value::CreateStringValue("udp-send-to::8888"));
 438     ASSERT_TRUE(permission->FromValue(value.get(), NULL, NULL));
 439   }
 440   expected_apis.insert(permission);
 441
 442   AddPattern(&explicit_hosts2, "http://*.example.com/*");
 443   AddPattern(&explicit_hosts2, "http://*.google.com/*");
 444   AddPattern(&scriptable_hosts2, "http://*.google.com/*");
 445   AddPattern(&expected_explicit_hosts, "http://*.google.com/*");
 446
 447   effective_hosts.ClearPatterns();
 448   AddPattern(&effective_hosts, "http://*.google.com/*");
 449
 450   set2 = new PermissionSet(apis2, manifest_permissions,
 451                            explicit_hosts2, scriptable_hosts2);
 452   new_set = PermissionSet::CreateIntersection(set1.get(), set2.get());
 453
 454   EXPECT_TRUE(set1->Contains(*new_set.get()));
 455   EXPECT_TRUE(set2->Contains(*new_set.get()));
 456   EXPECT_FALSE(set1->Contains(*set2.get()));
 457   EXPECT_FALSE(set2->Contains(*set1.get()));
 458   EXPECT_FALSE(new_set->Contains(*set1.get()));
 459   EXPECT_FALSE(new_set->Contains(*set2.get()));
 460
 461   EXPECT_FALSE(new_set->HasEffectiveFullAccess());
 462   EXPECT_FALSE(new_set->HasEffectiveAccessToAllHosts());
 463   EXPECT_EQ(expected_apis, new_set->apis());
 464   EXPECT_EQ(expected_explicit_hosts, new_set->explicit_hosts());
 465   EXPECT_EQ(expected_scriptable_hosts, new_set->scriptable_hosts());
 466   EXPECT_EQ(effective_hosts, new_set->effective_hosts());
 467 }
 468
 469 TEST(PermissionsTest, CreateDifference) {
 470   APIPermission* permission = NULL;
 471
 472   ManifestPermissionSet manifest_permissions;
 473   APIPermissionSet apis1;
 474   APIPermissionSet apis2;
 475   APIPermissionSet expected_apis;
 476
 477   URLPatternSet explicit_hosts1;
 478   URLPatternSet explicit_hosts2;
 479   URLPatternSet expected_explicit_hosts;
 480
 481   URLPatternSet scriptable_hosts1;
 482   URLPatternSet scriptable_hosts2;
 483   URLPatternSet expected_scriptable_hosts;
 484
 485   URLPatternSet effective_hosts;
 486
 487   scoped_refptr<PermissionSet> set1;
 488   scoped_refptr<PermissionSet> set2;
 489   scoped_refptr<PermissionSet> new_set;
 490
 491   const APIPermissionInfo* permission_info =
 492     PermissionsInfo::GetInstance()->GetByID(APIPermission::kSocket);
 493
 494   // Difference with an empty set.
 495   apis1.insert(APIPermission::kTab);
 496   apis1.insert(APIPermission::kBackground);
 497   permission = permission_info->CreateAPIPermission();
 498   {
 499     scoped_ptr<base::ListValue> value(new base::ListValue());
 500     value->Append(
 501        base::Value::CreateStringValue("tcp-connect:*.example.com:80"));
 502     value->Append(base::Value::CreateStringValue("udp-bind::8080"));
 503     value->Append(base::Value::CreateStringValue("udp-send-to::8888"));
 504     ASSERT_TRUE(permission->FromValue(value.get(), NULL, NULL));
 505   }
 506   apis1.insert(permission);
 507
 508   AddPattern(&explicit_hosts1, "http://*.google.com/*");
 509   AddPattern(&scriptable_hosts1, "http://www.reddit.com/*");
 510
 511   set1 = new PermissionSet(apis1, manifest_permissions,
 512                            explicit_hosts1, scriptable_hosts1);
 513   set2 = new PermissionSet(apis2, manifest_permissions,
 514                            explicit_hosts2, scriptable_hosts2);
 515   new_set = PermissionSet::CreateDifference(set1.get(), set2.get());
 516   EXPECT_EQ(*set1.get(), *new_set.get());
 517
 518   // Now use a real second set.
 519   apis2.insert(APIPermission::kTab);
 520   apis2.insert(APIPermission::kProxy);
 521   apis2.insert(APIPermission::kClipboardWrite);
 522   apis2.insert(APIPermission::kPlugin);
 523   permission = permission_info->CreateAPIPermission();
 524   {
 525     scoped_ptr<base::ListValue> value(new base::ListValue());
 526     value->Append(
 527         base::Value::CreateStringValue("tcp-connect:*.example.com:80"));
 528     value->Append(base::Value::CreateStringValue("udp-send-to::8899"));
 529     ASSERT_TRUE(permission->FromValue(value.get(), NULL, NULL));
 530   }
 531   apis2.insert(permission);
 532
 533   expected_apis.insert(APIPermission::kBackground);
 534   permission = permission_info->CreateAPIPermission();
 535   {
 536     scoped_ptr<base::ListValue> value(new base::ListValue());
 537     value->Append(base::Value::CreateStringValue("udp-bind::8080"));
 538     value->Append(base::Value::CreateStringValue("udp-send-to::8888"));
 539     ASSERT_TRUE(permission->FromValue(value.get(), NULL, NULL));
 540   }
 541   expected_apis.insert(permission);
 542
 543   AddPattern(&explicit_hosts2, "http://*.example.com/*");
 544   AddPattern(&explicit_hosts2, "http://*.google.com/*");
 545   AddPattern(&scriptable_hosts2, "http://*.google.com/*");
 546   AddPattern(&expected_scriptable_hosts, "http://www.reddit.com/*");
 547
 548   effective_hosts.ClearPatterns();
 549   AddPattern(&effective_hosts, "http://www.reddit.com/*");
 550
 551   set2 = new PermissionSet(apis2, manifest_permissions,
 552                            explicit_hosts2, scriptable_hosts2);
 553   new_set = PermissionSet::CreateDifference(set1.get(), set2.get());
 554
 555   EXPECT_TRUE(set1->Contains(*new_set.get()));
 556   EXPECT_FALSE(set2->Contains(*new_set.get()));
 557
 558   EXPECT_FALSE(new_set->HasEffectiveFullAccess());
 559   EXPECT_FALSE(new_set->HasEffectiveAccessToAllHosts());
 560   EXPECT_EQ(expected_apis, new_set->apis());
 561   EXPECT_EQ(expected_explicit_hosts, new_set->explicit_hosts());
 562   EXPECT_EQ(expected_scriptable_hosts, new_set->scriptable_hosts());
 563   EXPECT_EQ(effective_hosts, new_set->effective_hosts());
 564
 565   // |set3| = |set1| - |set2| --> |set3| intersect |set2| == empty_set
 566   set1 = PermissionSet::CreateIntersection(new_set.get(), set2.get());
 567   EXPECT_TRUE(set1->IsEmpty());
 568 }
 569
 570 TEST(PermissionsTest, IsPrivilegeIncrease) {
 571   const struct {
 572     const char* base_name;
 573     bool expect_increase;
 574   } kTests[] = {
 575     { "allhosts1", false },  // all -> all
 576     { "allhosts2", false },  // all -> one
 577     { "allhosts3", true },  // one -> all
 578     { "hosts1", false },  // http://a,http://b -> http://a,http://b
 579     { "hosts2", true },  // http://a,http://b -> https://a,http://*.b
 580     { "hosts3", false },  // http://a,http://b -> http://a
 581     { "hosts4", true },  // http://a -> http://a,http://b
 582     { "hosts5", false },  // http://a,b,c -> http://a,b,c + https://a,b,c
 583     { "hosts6", false },  // http://a.com -> http://a.com + http://a.co.uk
 584     { "permissions1", false },  // tabs -> tabs
 585     { "permissions2", true },  // tabs -> tabs,bookmarks
 586     { "permissions3", true },  // http://a -> http://a,tabs
 587     { "permissions5", true },  // bookmarks -> bookmarks,history
 588     { "equivalent_warnings", false },  // tabs --> tabs, webNavigation
 589 #if !defined(OS_CHROMEOS)  // plugins aren't allowed in ChromeOS
 590     { "permissions4", false },  // plugin -> plugin,tabs
 591     { "plugin1", false },  // plugin -> plugin
 592     { "plugin2", false },  // plugin -> none
 593     { "plugin3", true },  // none -> plugin
 594 #endif
 595     { "storage", false },  // none -> storage
 596     { "notifications", false },  // none -> notifications
 597     { "platformapp1", false },  // host permissions for platform apps
 598     { "platformapp2", true },  // API permissions for platform apps
 599     { "media_galleries1", true },  // all -> read|all
 600     { "media_galleries2", true },  // read|all -> read|delete|copyTo|all
 601     { "media_galleries3", true },  // all -> read|delete|all
 602     { "media_galleries4", false },  // read|all -> all
 603     { "media_galleries5", false },  // read|copyTo|delete|all -> read|all
 604     { "media_galleries6", false },  // read|all -> read|all
 605     { "media_galleries7", true },  // read|delete|all -> read|copyTo|delete|all
 606     { "sockets1", true },  // none -> tcp:*:*
 607     { "sockets2", false },  // tcp:*:* -> tcp:*:*
 608     { "sockets3", true },  // tcp:a.com:80 -> tcp:*:*
 609   };
 610
 611   for (size_t i = 0; i < ARRAYSIZE_UNSAFE(kTests); ++i) {
 612     scoped_refptr<Extension> old_extension(
 613         LoadManifest("allow_silent_upgrade",
 614                      std::string(kTests[i].base_name) + "_old.json"));
 615     scoped_refptr<Extension> new_extension(
 616         LoadManifest("allow_silent_upgrade",
 617                      std::string(kTests[i].base_name) + "_new.json"));
 618
 619     EXPECT_TRUE(new_extension.get()) << kTests[i].base_name << "_new.json";
 620     if (!new_extension.get())
 621       continue;
 622
 623     scoped_refptr<const PermissionSet> old_p(
 624         old_extension->GetActivePermissions());
 625     scoped_refptr<const PermissionSet> new_p(
 626         new_extension->GetActivePermissions());
 627     Manifest::Type extension_type = old_extension->GetType();
 628
 629     bool increased = PermissionMessageProvider::Get()->IsPrivilegeIncrease(
 630         old_p.get(), new_p.get(), extension_type);
 631     EXPECT_EQ(kTests[i].expect_increase, increased) << kTests[i].base_name;
 632   }
 633 }
 634
 635 TEST(PermissionsTest, PermissionMessages) {
 636   // Ensure that all permissions that needs to show install UI actually have
 637   // strings associated with them.
 638   APIPermissionSet skip;
 639
 640   // These are considered "nuisance" or "trivial" permissions that don't need
 641   // a prompt.
 642   skip.insert(APIPermission::kActiveTab);
 643   skip.insert(APIPermission::kAdView);
 644   skip.insert(APIPermission::kAlarms);
 645   skip.insert(APIPermission::kAlwaysOnTopWindows);
 646   skip.insert(APIPermission::kAudio);
 647   skip.insert(APIPermission::kBrowsingData);
 648   skip.insert(APIPermission::kCastStreaming);
 649   skip.insert(APIPermission::kContextMenus);
 650   skip.insert(APIPermission::kDiagnostics);
 651   skip.insert(APIPermission::kDns);
 652   skip.insert(APIPermission::kDownloadsShelf);
 653   skip.insert(APIPermission::kFontSettings);
 654   skip.insert(APIPermission::kFullscreen);
 655   skip.insert(APIPermission::kGcm);
 656   skip.insert(APIPermission::kIdle);
 657   skip.insert(APIPermission::kIdltest);
 658   skip.insert(APIPermission::kLogPrivate);
 659   skip.insert(APIPermission::kNotification);
 660   skip.insert(APIPermission::kOverrideEscFullscreen);
 661   skip.insert(APIPermission::kPointerLock);
 662   skip.insert(APIPermission::kPower);
 663   skip.insert(APIPermission::kPushMessaging);
 664   skip.insert(APIPermission::kSessions);
 665   skip.insert(APIPermission::kStorage);
 666   skip.insert(APIPermission::kSystemCpu);
 667   skip.insert(APIPermission::kSystemDisplay);
 668   skip.insert(APIPermission::kSystemMemory);
 669   skip.insert(APIPermission::kSystemNetwork);
 670   skip.insert(APIPermission::kSystemStorage);
 671   skip.insert(APIPermission::kTts);
 672   skip.insert(APIPermission::kUnlimitedStorage);
 673   skip.insert(APIPermission::kWebcamPrivate);
 674   skip.insert(APIPermission::kWebView);
 675   skip.insert(APIPermission::kWindowShape);
 676
 677   // TODO(erikkay) add a string for this permission.
 678   skip.insert(APIPermission::kBackground);
 679
 680   skip.insert(APIPermission::kClipboardWrite);
 681
 682   // The cookie permission does nothing unless you have associated host
 683   // permissions.
 684   skip.insert(APIPermission::kCookie);
 685
 686   // These are warned as part of host permission checks.
 687   skip.insert(APIPermission::kDeclarativeContent);
 688   skip.insert(APIPermission::kPageCapture);
 689   skip.insert(APIPermission::kProxy);
 690   skip.insert(APIPermission::kTabCapture);
 691   skip.insert(APIPermission::kWebRequest);
 692   skip.insert(APIPermission::kWebRequestBlocking);
 693
 694   // This permission requires explicit user action (context menu handler)
 695   // so we won't prompt for it for now.
 696   skip.insert(APIPermission::kFileBrowserHandler);
 697
 698   // These permissions require explicit user action (configuration dialog)
 699   // so we don't prompt for them at install time.
 700   skip.insert(APIPermission::kMediaGalleries);
 701
 702   // If you've turned on the experimental command-line flag, we don't need
 703   // to warn you further.
 704   skip.insert(APIPermission::kExperimental);
 705
 706   // The Identity API has its own server-driven permission prompts.
 707   skip.insert(APIPermission::kIdentity);
 708
 709   // These are private.
 710   skip.insert(APIPermission::kAccessibilityPrivate);
 711   skip.insert(APIPermission::kAutoTestPrivate);
 712   skip.insert(APIPermission::kBookmarkManagerPrivate);
 713   skip.insert(APIPermission::kBrailleDisplayPrivate);
 714   skip.insert(APIPermission::kCast);
 715   skip.insert(APIPermission::kCastStreaming);
 716   skip.insert(APIPermission::kChromeosInfoPrivate);
 717   skip.insert(APIPermission::kCloudPrintPrivate);
 718   skip.insert(APIPermission::kCommandLinePrivate);
 719   skip.insert(APIPermission::kDeveloperPrivate);
 720   skip.insert(APIPermission::kDial);
 721   skip.insert(APIPermission::kDownloadsInternal);
 722   skip.insert(APIPermission::kEchoPrivate);
 723   skip.insert(APIPermission::kEnterprisePlatformKeysPrivate);
 724   skip.insert(APIPermission::kFeedbackPrivate);
 725   skip.insert(APIPermission::kFileBrowserHandlerInternal);
 726   skip.insert(APIPermission::kFileBrowserPrivate);
 727   skip.insert(APIPermission::kFirstRunPrivate);
 728   skip.insert(APIPermission::kHotwordPrivate);
 729   skip.insert(APIPermission::kIdentityPrivate);
 730   skip.insert(APIPermission::kInfobars);
 731   skip.insert(APIPermission::kInputMethodPrivate);
 732   skip.insert(APIPermission::kMediaGalleriesPrivate);
 733   skip.insert(APIPermission::kMediaPlayerPrivate);
 734   skip.insert(APIPermission::kMetricsPrivate);
 735   skip.insert(APIPermission::kMDns);
 736   skip.insert(APIPermission::kPreferencesPrivate);
 737   skip.insert(APIPermission::kPrincipalsPrivate);
 738   skip.insert(APIPermission::kImageWriterPrivate);
 739   skip.insert(APIPermission::kReadingListPrivate);
 740   skip.insert(APIPermission::kRtcPrivate);
 741   skip.insert(APIPermission::kStreamsPrivate);
 742   skip.insert(APIPermission::kSystemPrivate);
 743   skip.insert(APIPermission::kTabCaptureForTab);
 744   skip.insert(APIPermission::kTerminalPrivate);
 745   skip.insert(APIPermission::kVirtualKeyboardPrivate);
 746   skip.insert(APIPermission::kWallpaperPrivate);
 747   skip.insert(APIPermission::kWebrtcAudioPrivate);
 748   skip.insert(APIPermission::kWebrtcLoggingPrivate);
 749   skip.insert(APIPermission::kWebstorePrivate);
 750
 751   // Warned as part of host permissions.
 752   skip.insert(APIPermission::kDevtools);
 753
 754   // Platform apps.
 755   skip.insert(APIPermission::kFileSystem);
 756   skip.insert(APIPermission::kFileSystemProvider);
 757   skip.insert(APIPermission::kFileSystemRetainEntries);
 758   skip.insert(APIPermission::kSocket);
 759   skip.insert(APIPermission::kUsbDevice);
 760
 761   PermissionsInfo* info = PermissionsInfo::GetInstance();
 762   APIPermissionSet permissions = info->GetAll();
 763   for (APIPermissionSet::const_iterator i = permissions.begin();
 764        i != permissions.end(); ++i) {
 765     const APIPermissionInfo* permission_info = i->info();
 766     EXPECT_TRUE(permission_info != NULL);
 767
 768     if (skip.count(i->id())) {
 769       EXPECT_EQ(PermissionMessage::kNone, permission_info->message_id())
 770           << "unexpected message_id for " << permission_info->name();
 771     } else {
 772       EXPECT_NE(PermissionMessage::kNone, permission_info->message_id())
 773           << "missing message_id for " << permission_info->name();
 774     }
 775   }
 776 }
 777
 778 TEST(PermissionsTest, FileSystemPermissionMessages) {
 779   APIPermissionSet api_permissions;
 780   api_permissions.insert(APIPermission::kFileSystemWrite);
 781   api_permissions.insert(APIPermission::kFileSystemDirectory);
 782   scoped_refptr<PermissionSet> permissions(
 783       new PermissionSet(api_permissions, ManifestPermissionSet(),
 784                         URLPatternSet(), URLPatternSet()));
 785   PermissionMessages messages =
 786       PermissionMessageProvider::Get()->GetPermissionMessages(
 787           permissions, Manifest::TYPE_PLATFORM_APP);
 788   ASSERT_EQ(2u, messages.size());
 789   std::sort(messages.begin(), messages.end());
 790   std::set<PermissionMessage::ID> ids;
 791   for (PermissionMessages::const_iterator it = messages.begin();
 792        it != messages.end(); ++it) {
 793     ids.insert(it->id());
 794   }
 795   EXPECT_TRUE(ContainsKey(ids, PermissionMessage::kFileSystemDirectory));
 796   EXPECT_TRUE(ContainsKey(ids, PermissionMessage::kFileSystemWrite));
 797 }
 798
 799 TEST(PermissionsTest, HiddenFileSystemPermissionMessages) {
 800   APIPermissionSet api_permissions;
 801   api_permissions.insert(APIPermission::kFileSystemWrite);
 802   api_permissions.insert(APIPermission::kFileSystemDirectory);
 803   api_permissions.insert(APIPermission::kFileSystemWriteDirectory);
 804   scoped_refptr<PermissionSet> permissions(
 805       new PermissionSet(api_permissions, ManifestPermissionSet(),
 806                         URLPatternSet(), URLPatternSet()));
 807   PermissionMessages messages =
 808       PermissionMessageProvider::Get()->GetPermissionMessages(
 809           permissions, Manifest::TYPE_PLATFORM_APP);
 810   ASSERT_EQ(1u, messages.size());
 811   EXPECT_EQ(PermissionMessage::kFileSystemWriteDirectory, messages[0].id());
 812 }
 813
 814 TEST(PermissionsTest, SuppressedPermissionMessages) {
 815   APIPermissionSet api_permissions;
 816   api_permissions.insert(APIPermission::kTab);
 817   api_permissions.insert(APIPermission::kHistory);
 818   scoped_refptr<PermissionSet> permissions(
 819       new PermissionSet(api_permissions, ManifestPermissionSet(),
 820                         URLPatternSet(), URLPatternSet()));
 821   PermissionMessages messages =
 822       PermissionMessageProvider::Get()->GetPermissionMessages(
 823           permissions, Manifest::TYPE_EXTENSION);
 824   EXPECT_EQ(1u, messages.size());
 825   EXPECT_EQ(PermissionMessage::kBrowsingHistory, messages[0].id());
 826 }
 827
 828 TEST(PermissionsTest, MergedFileSystemPermissionComparison) {
 829   APIPermissionSet write_api_permissions;
 830   write_api_permissions.insert(APIPermission::kFileSystemWrite);
 831   scoped_refptr<PermissionSet> write_permissions(
 832       new PermissionSet(write_api_permissions, ManifestPermissionSet(),
 833                         URLPatternSet(), URLPatternSet()));
 834
 835   APIPermissionSet directory_api_permissions;
 836   directory_api_permissions.insert(APIPermission::kFileSystemDirectory);
 837   scoped_refptr<PermissionSet> directory_permissions(
 838       new PermissionSet(directory_api_permissions, ManifestPermissionSet(),
 839                         URLPatternSet(), URLPatternSet()));
 840
 841   APIPermissionSet write_directory_api_permissions;
 842   write_directory_api_permissions.insert(
 843       APIPermission::kFileSystemWriteDirectory);
 844   scoped_refptr<PermissionSet> write_directory_permissions(
 845       new PermissionSet(write_directory_api_permissions,
 846                         ManifestPermissionSet(),
 847                         URLPatternSet(),
 848                         URLPatternSet()));
 849
 850   const PermissionMessageProvider* provider = PermissionMessageProvider::Get();
 851   EXPECT_FALSE(provider->IsPrivilegeIncrease(write_directory_permissions,
 852                                              write_permissions,
 853                                              Manifest::TYPE_PLATFORM_APP));
 854   EXPECT_FALSE(provider->IsPrivilegeIncrease(write_directory_permissions,
 855                                              directory_permissions,
 856                                              Manifest::TYPE_PLATFORM_APP));
 857   EXPECT_TRUE(provider->IsPrivilegeIncrease(write_permissions,
 858                                             directory_permissions,
 859                                             Manifest::TYPE_PLATFORM_APP));
 860   EXPECT_TRUE(provider->IsPrivilegeIncrease(write_permissions,
 861                                             write_directory_permissions,
 862                                             Manifest::TYPE_PLATFORM_APP));
 863   EXPECT_TRUE(provider->IsPrivilegeIncrease(directory_permissions,
 864                                             write_permissions,
 865                                             Manifest::TYPE_PLATFORM_APP));
 866   EXPECT_TRUE(provider->IsPrivilegeIncrease(directory_permissions,
 867                                             write_directory_permissions,
 868                                             Manifest::TYPE_PLATFORM_APP));
 869 }
 870
 871 TEST(PermissionsTest, GetWarningMessages_ManyHosts) {
 872   scoped_refptr<Extension> extension;
 873
 874   extension = LoadManifest("permissions", "many-hosts.json");
 875   std::vector<base::string16> warnings =
 876       PermissionsData::GetPermissionMessageStrings(extension.get());
 877   ASSERT_EQ(1u, warnings.size());
 878   EXPECT_EQ("Access your data on encrypted.google.com and www.google.com",
 879             base::UTF16ToUTF8(warnings[0]));
 880 }
 881
 882 TEST(PermissionsTest, GetWarningMessages_Plugins) {
 883   scoped_refptr<Extension> extension;
 884   scoped_refptr<PermissionSet> permissions;
 885
 886   extension = LoadManifest("permissions", "plugins.json");
 887   std::vector<base::string16> warnings =
 888       PermissionsData::GetPermissionMessageStrings(extension.get());
 889 // We don't parse the plugins key on Chrome OS, so it should not ask for any
 890   // permissions.
 891 #if defined(OS_CHROMEOS)
 892   ASSERT_EQ(0u, warnings.size());
 893 #else
 894   ASSERT_EQ(1u, warnings.size());
 895   EXPECT_EQ("Access all data on your computer and the websites you visit",
 896             base::UTF16ToUTF8(warnings[0]));
 897 #endif
 898 }
 899
 900 TEST(PermissionsTest, GetWarningMessages_AudioVideo) {
 901   // Both audio and video present.
 902   scoped_refptr<Extension> extension =
 903       LoadManifest("permissions", "audio-video.json");
 904   const PermissionMessageProvider* provider = PermissionMessageProvider::Get();
 905   PermissionSet* set =
 906       const_cast<PermissionSet*>(
 907           extension->GetActivePermissions().get());
 908   std::vector<base::string16> warnings =
 909       provider->GetWarningMessages(set, extension->GetType());
 910   EXPECT_FALSE(Contains(warnings, "Use your microphone"));
 911   EXPECT_FALSE(Contains(warnings, "Use your camera"));
 912   EXPECT_TRUE(Contains(warnings, "Use your microphone and camera"));
 913   size_t combined_index = IndexOf(warnings, "Use your microphone and camera");
 914   size_t combined_size = warnings.size();
 915
 916   // Just audio present.
 917   set->apis_.erase(APIPermission::kVideoCapture);
 918   warnings = provider->GetWarningMessages(set, extension->GetType());
 919   EXPECT_EQ(combined_size, warnings.size());
 920   EXPECT_EQ(combined_index, IndexOf(warnings, "Use your microphone"));
 921   EXPECT_FALSE(Contains(warnings, "Use your camera"));
 922   EXPECT_FALSE(Contains(warnings, "Use your microphone and camera"));
 923
 924   // Just video present.
 925   set->apis_.erase(APIPermission::kAudioCapture);
 926   set->apis_.insert(APIPermission::kVideoCapture);
 927   warnings = provider->GetWarningMessages(set, extension->GetType());
 928   EXPECT_EQ(combined_size, warnings.size());
 929   EXPECT_FALSE(Contains(warnings, "Use your microphone"));
 930   EXPECT_FALSE(Contains(warnings, "Use your microphone and camera"));
 931   EXPECT_TRUE(Contains(warnings, "Use your camera"));
 932 }
 933
 934 TEST(PermissionsTest, GetWarningMessages_DeclarativeWebRequest) {
 935   // Test that if the declarativeWebRequest permission is present
 936   // in combination with all hosts permission, then only the warning
 937   // for host permissions is shown, because that covers the use of
 938   // declarativeWebRequest.
 939
 940   // Until Declarative Web Request is in stable, let's make sure it is enabled
 941   // on the current channel.
 942   ScopedCurrentChannel sc(chrome::VersionInfo::CHANNEL_CANARY);
 943
 944   // First verify that declarativeWebRequest produces a message when host
 945   // permissions do not cover all hosts.
 946   scoped_refptr<Extension> extension =
 947       LoadManifest("permissions", "web_request_not_all_host_permissions.json");
 948   const PermissionMessageProvider* provider = PermissionMessageProvider::Get();
 949   const PermissionSet* set = extension->GetActivePermissions().get();
 950   std::vector<base::string16> warnings =
 951       provider->GetWarningMessages(set, extension->GetType());
 952   EXPECT_TRUE(Contains(warnings, "Block parts of web pages"));
 953   EXPECT_FALSE(Contains(warnings, "Access your data on all websites"));
 954
 955   // Now verify that declarativeWebRequest does not produce a message when host
 956   // permissions do cover all hosts.
 957   extension =
 958       LoadManifest("permissions", "web_request_all_host_permissions.json");
 959   set = extension->GetActivePermissions().get();
 960   warnings = provider->GetWarningMessages(set, extension->GetType());
 961   EXPECT_FALSE(Contains(warnings, "Block parts of web pages"));
 962   EXPECT_TRUE(Contains(warnings, "Access your data on all websites"));
 963 }
 964
 965 TEST(PermissionsTest, GetWarningMessages_Serial) {
 966   scoped_refptr<Extension> extension =
 967       LoadManifest("permissions", "serial.json");
 968
 969   EXPECT_TRUE(extension->is_platform_app());
 970   EXPECT_TRUE(extension->HasAPIPermission(APIPermission::kSerial));
 971   std::vector<base::string16> warnings =
 972       PermissionsData::GetPermissionMessageStrings(extension.get());
 973   EXPECT_TRUE(
 974       Contains(warnings, "Use serial devices attached to your computer"));
 975   ASSERT_EQ(1u, warnings.size());
 976 }
 977
 978 TEST(PermissionsTest, GetWarningMessages_Socket_AnyHost) {
 979   ScopedCurrentChannel channel(chrome::VersionInfo::CHANNEL_DEV);
 980
 981   scoped_refptr<Extension> extension =
 982       LoadManifest("permissions", "socket_any_host.json");
 983   EXPECT_TRUE(extension->is_platform_app());
 984   EXPECT_TRUE(extension->HasAPIPermission(APIPermission::kSocket));
 985   std::vector<base::string16> warnings =
 986       PermissionsData::GetPermissionMessageStrings(extension.get());
 987   EXPECT_EQ(1u, warnings.size());
 988   EXPECT_TRUE(Contains(warnings, "Exchange data with any computer "
 989                                  "on the local network or internet"));
 990 }
 991
 992 TEST(PermissionsTest, GetWarningMessages_Socket_OneDomainTwoHostnames) {
 993   ScopedCurrentChannel channel(chrome::VersionInfo::CHANNEL_DEV);
 994
 995   scoped_refptr<Extension> extension =
 996       LoadManifest("permissions", "socket_one_domain_two_hostnames.json");
 997   EXPECT_TRUE(extension->is_platform_app());
 998   EXPECT_TRUE(extension->HasAPIPermission(APIPermission::kSocket));
 999   std::vector<base::string16> warnings =
1000       PermissionsData::GetPermissionMessageStrings(extension.get());
1001
1002   // Verify the warnings, including support for unicode characters, the fact
1003   // that domain host warnings come before specific host warnings, and the fact
1004   // that domains and hostnames are in alphabetical order regardless of the
1005   // order in the manifest file.
1006   EXPECT_EQ(2u, warnings.size());
1007   if (warnings.size() > 0)
1008     EXPECT_EQ(warnings[0],
1009               base::UTF8ToUTF16("Exchange data with any computer in the domain "
1010                           "example.org"));
1011   if (warnings.size() > 1)
1012     EXPECT_EQ(warnings[1],
1013               base::UTF8ToUTF16("Exchange data with the computers named: "
1014                           "b\xC3\xA5r.example.com foo.example.com"));
1015                           // "\xC3\xA5" = UTF-8 for lowercase A with ring above
1016 }
1017
1018 TEST(PermissionsTest, GetWarningMessages_Socket_TwoDomainsOneHostname) {
1019   ScopedCurrentChannel channel(chrome::VersionInfo::CHANNEL_DEV);
1020
1021   scoped_refptr<Extension> extension =
1022       LoadManifest("permissions", "socket_two_domains_one_hostname.json");
1023   EXPECT_TRUE(extension->is_platform_app());
1024   EXPECT_TRUE(extension->HasAPIPermission(APIPermission::kSocket));
1025   std::vector<base::string16> warnings =
1026       PermissionsData::GetPermissionMessageStrings(extension.get());
1027
1028   // Verify the warnings, including the fact that domain host warnings come
1029   // before specific host warnings and the fact that domains and hostnames are
1030   // in alphabetical order regardless of the order in the manifest file.
1031   EXPECT_EQ(2u, warnings.size());
1032   if (warnings.size() > 0)
1033     EXPECT_EQ(warnings[0],
1034               base::UTF8ToUTF16("Exchange data with any computer in the "
1035                                 "domains: example.com foo.example.org"));
1036   if (warnings.size() > 1)
1037     EXPECT_EQ(warnings[1],
1038               base::UTF8ToUTF16("Exchange data with the computer named "
1039                                 "bar.example.org"));
1040 }
1041
1042 TEST(PermissionsTest, GetWarningMessages_PlatformApppHosts) {
1043   scoped_refptr<Extension> extension;
1044
1045   extension = LoadManifest("permissions", "platform_app_hosts.json");
1046   EXPECT_TRUE(extension->is_platform_app());
1047   std::vector<base::string16> warnings =
1048       PermissionsData::GetPermissionMessageStrings(extension.get());
1049   ASSERT_EQ(0u, warnings.size());
1050
1051   extension = LoadManifest("permissions", "platform_app_all_urls.json");
1052   EXPECT_TRUE(extension->is_platform_app());
1053   warnings = PermissionsData::GetPermissionMessageStrings(extension.get());
1054   ASSERT_EQ(0u, warnings.size());
1055 }
1056
1057 bool ShowsAllHostsWarning(const std::string& pattern) {
1058   scoped_refptr<Extension> extension =
1059       ExtensionBuilder()
1060           .SetManifest(DictionaryBuilder()
1061                            .Set("name", "TLDWildCardTest")
1062                            .Set("version", "0.1.0")
1063                            .Set("permissions", ListBuilder().Append(pattern))
1064                            .Build())
1065           .Build();
1066
1067   std::vector<base::string16> warnings =
1068       PermissionsData::GetPermissionMessageStrings(extension);
1069
1070   if (warnings.empty())
1071     return false;
1072
1073   if (warnings[0] !=
1074       l10n_util::GetStringUTF16(IDS_EXTENSION_PROMPT_WARNING_ALL_HOSTS)) {
1075     return false;
1076   }
1077
1078   return true;
1079 }
1080
1081 TEST(PermissionsTest, GetWarningMessages_TLDWildcardTreatedAsAllHosts) {
1082   EXPECT_TRUE(ShowsAllHostsWarning("http://*.com/*"));    // most popular.
1083   EXPECT_TRUE(ShowsAllHostsWarning("http://*.org/*"));    // sanity check.
1084   EXPECT_TRUE(ShowsAllHostsWarning("http://*.co.uk/*"));  // eTLD.
1085   EXPECT_TRUE(ShowsAllHostsWarning("http://*.de/*"));  // foreign country tld.
1086
1087   // We should still show the normal permissions (i.e., "Can access your data on
1088   // *.rdcronin.com") for things that are not TLDs.
1089   EXPECT_FALSE(ShowsAllHostsWarning("http://*.rdcronin.com/*"));
1090
1091   // Pseudo-TLDs, like appspot.com, should not show all hosts.
1092   EXPECT_FALSE(ShowsAllHostsWarning("http://*.appspot.com/*"));
1093
1094   // Non-TLDs should be likewise exempt.
1095   EXPECT_FALSE(ShowsAllHostsWarning("http://*.notarealtld/*"));
1096
1097   // Our internal checks use "foo", so let's make sure we're not messing
1098   // something up with it.
1099   EXPECT_FALSE(ShowsAllHostsWarning("http://*.foo.com"));
1100   EXPECT_FALSE(ShowsAllHostsWarning("http://foo.com"));
1101   // This will fail if foo becomes a recognized TLD. Which could be soon.
1102   // Update as needed.
1103   EXPECT_FALSE(ShowsAllHostsWarning("http://*.foo"));
1104 }
1105
1106 TEST(PermissionsTest, GetDistinctHosts) {
1107   URLPatternSet explicit_hosts;
1108   std::set<std::string> expected;
1109   expected.insert("www.foo.com");
1110   expected.insert("www.bar.com");
1111   expected.insert("www.baz.com");
1112
1113   {
1114     SCOPED_TRACE("no dupes");
1115
1116     // Simple list with no dupes.
1117     explicit_hosts.AddPattern(
1118         URLPattern(URLPattern::SCHEME_HTTP, "http://www.foo.com/path"));
1119     explicit_hosts.AddPattern(
1120         URLPattern(URLPattern::SCHEME_HTTP, "http://www.bar.com/path"));
1121     explicit_hosts.AddPattern(
1122         URLPattern(URLPattern::SCHEME_HTTP, "http://www.baz.com/path"));
1123     EXPECT_EQ(expected,
1124               permission_message_util::GetDistinctHosts(
1125                   explicit_hosts, true, true));
1126   }
1127
1128   {
1129     SCOPED_TRACE("two dupes");
1130
1131     // Add some dupes.
1132     explicit_hosts.AddPattern(
1133         URLPattern(URLPattern::SCHEME_HTTP, "http://www.foo.com/path"));
1134     explicit_hosts.AddPattern(
1135         URLPattern(URLPattern::SCHEME_HTTP, "http://www.baz.com/path"));
1136     EXPECT_EQ(expected,
1137               permission_message_util::GetDistinctHosts(
1138                   explicit_hosts, true, true));
1139   }
1140
1141   {
1142     SCOPED_TRACE("schemes differ");
1143
1144     // Add a pattern that differs only by scheme. This should be filtered out.
1145     explicit_hosts.AddPattern(
1146         URLPattern(URLPattern::SCHEME_HTTPS, "https://www.bar.com/path"));
1147     EXPECT_EQ(expected,
1148               permission_message_util::GetDistinctHosts(
1149                   explicit_hosts, true, true));
1150   }
1151
1152   {
1153     SCOPED_TRACE("paths differ");
1154
1155     // Add some dupes by path.
1156     explicit_hosts.AddPattern(
1157         URLPattern(URLPattern::SCHEME_HTTP, "http://www.bar.com/pathypath"));
1158     EXPECT_EQ(expected,
1159               permission_message_util::GetDistinctHosts(
1160                   explicit_hosts, true, true));
1161   }
1162
1163   {
1164     SCOPED_TRACE("subdomains differ");
1165
1166     // We don't do anything special for subdomains.
1167     explicit_hosts.AddPattern(
1168         URLPattern(URLPattern::SCHEME_HTTP, "http://monkey.www.bar.com/path"));
1169     explicit_hosts.AddPattern(
1170         URLPattern(URLPattern::SCHEME_HTTP, "http://bar.com/path"));
1171
1172     expected.insert("monkey.www.bar.com");
1173     expected.insert("bar.com");
1174
1175     EXPECT_EQ(expected,
1176               permission_message_util::GetDistinctHosts(
1177                   explicit_hosts, true, true));
1178   }
1179
1180   {
1181     SCOPED_TRACE("RCDs differ");
1182
1183     // Now test for RCD uniquing.
1184     explicit_hosts.AddPattern(
1185         URLPattern(URLPattern::SCHEME_HTTP, "http://www.foo.com/path"));
1186     explicit_hosts.AddPattern(
1187         URLPattern(URLPattern::SCHEME_HTTP, "http://www.foo.co.uk/path"));
1188     explicit_hosts.AddPattern(
1189         URLPattern(URLPattern::SCHEME_HTTP, "http://www.foo.de/path"));
1190     explicit_hosts.AddPattern(
1191         URLPattern(URLPattern::SCHEME_HTTP, "http://www.foo.ca.us/path"));
1192     explicit_hosts.AddPattern(
1193         URLPattern(URLPattern::SCHEME_HTTP, "http://www.foo.net/path"));
1194     explicit_hosts.AddPattern(
1195         URLPattern(URLPattern::SCHEME_HTTP, "http://www.foo.com.my/path"));
1196
1197     // This is an unknown RCD, which shouldn't be uniqued out.
1198     explicit_hosts.AddPattern(
1199         URLPattern(URLPattern::SCHEME_HTTP, "http://www.foo.xyzzy/path"));
1200     // But it should only occur once.
1201     explicit_hosts.AddPattern(
1202         URLPattern(URLPattern::SCHEME_HTTP, "http://www.foo.xyzzy/path"));
1203
1204     expected.insert("www.foo.xyzzy");
1205
1206     EXPECT_EQ(expected,
1207               permission_message_util::GetDistinctHosts(
1208                   explicit_hosts, true, true));
1209   }
1210
1211   {
1212     SCOPED_TRACE("wildcards");
1213
1214     explicit_hosts.AddPattern(
1215         URLPattern(URLPattern::SCHEME_HTTP, "http://*.google.com/*"));
1216
1217     expected.insert("*.google.com");
1218
1219     EXPECT_EQ(expected,
1220               permission_message_util::GetDistinctHosts(
1221                   explicit_hosts, true, true));
1222   }
1223
1224   {
1225     SCOPED_TRACE("scriptable hosts");
1226
1227     APIPermissionSet empty_perms;
1228     explicit_hosts.ClearPatterns();
1229     URLPatternSet scriptable_hosts;
1230     expected.clear();
1231
1232     explicit_hosts.AddPattern(
1233         URLPattern(URLPattern::SCHEME_HTTP, "http://*.google.com/*"));
1234     scriptable_hosts.AddPattern(
1235         URLPattern(URLPattern::SCHEME_HTTP, "http://*.example.com/*"));
1236
1237     expected.insert("*.google.com");
1238     expected.insert("*.example.com");
1239
1240     scoped_refptr<PermissionSet> perm_set(new PermissionSet(
1241         empty_perms, ManifestPermissionSet(),
1242         explicit_hosts, scriptable_hosts));
1243     EXPECT_EQ(expected,
1244               permission_message_util::GetDistinctHosts(
1245                   perm_set->effective_hosts(), true, true));
1246   }
1247
1248   {
1249     // We don't display warnings for file URLs because they are off by default.
1250     SCOPED_TRACE("file urls");
1251
1252     explicit_hosts.ClearPatterns();
1253     expected.clear();
1254
1255     explicit_hosts.AddPattern(
1256         URLPattern(URLPattern::SCHEME_FILE, "file:///*"));
1257
1258     EXPECT_EQ(expected,
1259               permission_message_util::GetDistinctHosts(
1260                   explicit_hosts, true, true));
1261   }
1262 }
1263
1264 TEST(PermissionsTest, GetDistinctHosts_ComIsBestRcd) {
1265   URLPatternSet explicit_hosts;
1266   explicit_hosts.AddPattern(
1267       URLPattern(URLPattern::SCHEME_HTTP, "http://www.foo.ca/path"));
1268   explicit_hosts.AddPattern(
1269       URLPattern(URLPattern::SCHEME_HTTP, "http://www.foo.org/path"));
1270   explicit_hosts.AddPattern(
1271       URLPattern(URLPattern::SCHEME_HTTP, "http://www.foo.co.uk/path"));
1272   explicit_hosts.AddPattern(
1273       URLPattern(URLPattern::SCHEME_HTTP, "http://www.foo.net/path"));
1274   explicit_hosts.AddPattern(
1275       URLPattern(URLPattern::SCHEME_HTTP, "http://www.foo.jp/path"));
1276   explicit_hosts.AddPattern(
1277       URLPattern(URLPattern::SCHEME_HTTP, "http://www.foo.com/path"));
1278
1279   std::set<std::string> expected;
1280   expected.insert("www.foo.com");
1281   EXPECT_EQ(expected,
1282             permission_message_util::GetDistinctHosts(
1283                 explicit_hosts, true, true));
1284 }
1285
1286 TEST(PermissionsTest, GetDistinctHosts_NetIs2ndBestRcd) {
1287   URLPatternSet explicit_hosts;
1288   explicit_hosts.AddPattern(
1289       URLPattern(URLPattern::SCHEME_HTTP, "http://www.foo.ca/path"));
1290   explicit_hosts.AddPattern(
1291       URLPattern(URLPattern::SCHEME_HTTP, "http://www.foo.org/path"));
1292   explicit_hosts.AddPattern(
1293       URLPattern(URLPattern::SCHEME_HTTP, "http://www.foo.co.uk/path"));
1294   explicit_hosts.AddPattern(
1295       URLPattern(URLPattern::SCHEME_HTTP, "http://www.foo.net/path"));
1296   explicit_hosts.AddPattern(
1297       URLPattern(URLPattern::SCHEME_HTTP, "http://www.foo.jp/path"));
1298   // No http://www.foo.com/path
1299
1300   std::set<std::string> expected;
1301   expected.insert("www.foo.net");
1302   EXPECT_EQ(expected,
1303             permission_message_util::GetDistinctHosts(
1304                 explicit_hosts, true, true));
1305 }
1306
1307 TEST(PermissionsTest, GetDistinctHosts_OrgIs3rdBestRcd) {
1308   URLPatternSet explicit_hosts;
1309   explicit_hosts.AddPattern(
1310       URLPattern(URLPattern::SCHEME_HTTP, "http://www.foo.ca/path"));
1311   explicit_hosts.AddPattern(
1312       URLPattern(URLPattern::SCHEME_HTTP, "http://www.foo.org/path"));
1313   explicit_hosts.AddPattern(
1314       URLPattern(URLPattern::SCHEME_HTTP, "http://www.foo.co.uk/path"));
1315   // No http://www.foo.net/path
1316   explicit_hosts.AddPattern(
1317       URLPattern(URLPattern::SCHEME_HTTP, "http://www.foo.jp/path"));
1318   // No http://www.foo.com/path
1319
1320   std::set<std::string> expected;
1321   expected.insert("www.foo.org");
1322   EXPECT_EQ(expected,
1323             permission_message_util::GetDistinctHosts(
1324                 explicit_hosts, true, true));
1325 }
1326
1327 TEST(PermissionsTest, GetDistinctHosts_FirstInListIs4thBestRcd) {
1328   URLPatternSet explicit_hosts;
1329   explicit_hosts.AddPattern(
1330       URLPattern(URLPattern::SCHEME_HTTP, "http://www.foo.ca/path"));
1331   // No http://www.foo.org/path
1332   explicit_hosts.AddPattern(
1333       URLPattern(URLPattern::SCHEME_HTTP, "http://www.foo.co.uk/path"));
1334   // No http://www.foo.net/path
1335   explicit_hosts.AddPattern(
1336       URLPattern(URLPattern::SCHEME_HTTP, "http://www.foo.jp/path"));
1337   // No http://www.foo.com/path
1338
1339   std::set<std::string> expected;
1340   expected.insert("www.foo.ca");
1341   EXPECT_EQ(expected,
1342             permission_message_util::GetDistinctHosts(
1343                 explicit_hosts, true, true));
1344 }
1345
1346 TEST(PermissionsTest, IsHostPrivilegeIncrease) {
1347   Manifest::Type type = Manifest::TYPE_EXTENSION;
1348   const PermissionMessageProvider* provider = PermissionMessageProvider::Get();
1349   ManifestPermissionSet empty_manifest_permissions;
1350   URLPatternSet elist1;
1351   URLPatternSet elist2;
1352   URLPatternSet slist1;
1353   URLPatternSet slist2;
1354   scoped_refptr<PermissionSet> set1;
1355   scoped_refptr<PermissionSet> set2;
1356   APIPermissionSet empty_perms;
1357   elist1.AddPattern(
1358       URLPattern(URLPattern::SCHEME_HTTP, "http://www.google.com.hk/path"));
1359   elist1.AddPattern(
1360       URLPattern(URLPattern::SCHEME_HTTP, "http://www.google.com/path"));
1361
1362   // Test that the host order does not matter.
1363   elist2.AddPattern(
1364       URLPattern(URLPattern::SCHEME_HTTP, "http://www.google.com/path"));
1365   elist2.AddPattern(
1366       URLPattern(URLPattern::SCHEME_HTTP, "http://www.google.com.hk/path"));
1367
1368   set1 = new PermissionSet(empty_perms, empty_manifest_permissions,
1369                            elist1, slist1);
1370   set2 = new PermissionSet(empty_perms, empty_manifest_permissions,
1371                            elist2, slist2);
1372
1373   EXPECT_FALSE(provider->IsPrivilegeIncrease(set1, set2, type));
1374   EXPECT_FALSE(provider->IsPrivilegeIncrease(set2, set1, type));
1375
1376   // Test that paths are ignored.
1377   elist2.ClearPatterns();
1378   elist2.AddPattern(
1379       URLPattern(URLPattern::SCHEME_HTTP, "http://www.google.com/*"));
1380   set2 = new PermissionSet(empty_perms, empty_manifest_permissions,
1381                            elist2, slist2);
1382   EXPECT_FALSE(provider->IsPrivilegeIncrease(set1, set2, type));
1383   EXPECT_FALSE(provider->IsPrivilegeIncrease(set2, set1, type));
1384
1385   // Test that RCDs are ignored.
1386   elist2.ClearPatterns();
1387   elist2.AddPattern(
1388       URLPattern(URLPattern::SCHEME_HTTP, "http://www.google.com.hk/*"));
1389   set2 = new PermissionSet(empty_perms, empty_manifest_permissions,
1390                            elist2, slist2);
1391   EXPECT_FALSE(provider->IsPrivilegeIncrease(set1, set2, type));
1392   EXPECT_FALSE(provider->IsPrivilegeIncrease(set2, set1, type));
1393
1394   // Test that subdomain wildcards are handled properly.
1395   elist2.ClearPatterns();
1396   elist2.AddPattern(
1397       URLPattern(URLPattern::SCHEME_HTTP, "http://*.google.com.hk/*"));
1398   set2 = new PermissionSet(empty_perms, empty_manifest_permissions,
1399                            elist2, slist2);
1400   EXPECT_TRUE(provider->IsPrivilegeIncrease(set1, set2, type));
1401   // TODO(jstritar): Does not match subdomains properly. http://crbug.com/65337
1402   // EXPECT_FALSE(provider->IsPrivilegeIncrease(set2, set1, type));
1403
1404   // Test that different domains count as different hosts.
1405   elist2.ClearPatterns();
1406   elist2.AddPattern(
1407       URLPattern(URLPattern::SCHEME_HTTP, "http://www.google.com/path"));
1408   elist2.AddPattern(
1409       URLPattern(URLPattern::SCHEME_HTTP, "http://www.example.org/path"));
1410   set2 = new PermissionSet(empty_perms, empty_manifest_permissions,
1411                            elist2, slist2);
1412   EXPECT_TRUE(provider->IsPrivilegeIncrease(set1, set2, type));
1413   EXPECT_FALSE(provider->IsPrivilegeIncrease(set2, set1, type));
1414
1415   // Test that different subdomains count as different hosts.
1416   elist2.ClearPatterns();
1417   elist2.AddPattern(
1418       URLPattern(URLPattern::SCHEME_HTTP, "http://mail.google.com/*"));
1419   set2 = new PermissionSet(empty_perms, empty_manifest_permissions,
1420                            elist2, slist2);
1421   EXPECT_TRUE(provider->IsPrivilegeIncrease(set1, set2, type));
1422   EXPECT_TRUE(provider->IsPrivilegeIncrease(set2, set1, type));
1423
1424   // Test that platform apps do not have host permissions increases.
1425   type = Manifest::TYPE_PLATFORM_APP;
1426   EXPECT_FALSE(provider->IsPrivilegeIncrease(set1, set2, type));
1427   EXPECT_FALSE(provider->IsPrivilegeIncrease(set2, set1, type));
1428 }
1429
1430 TEST(PermissionsTest, GetAPIsAsStrings) {
1431   APIPermissionSet apis;
1432   URLPatternSet empty_set;
1433
1434   apis.insert(APIPermission::kProxy);
1435   apis.insert(APIPermission::kBackground);
1436   apis.insert(APIPermission::kNotification);
1437   apis.insert(APIPermission::kTab);
1438
1439   scoped_refptr<PermissionSet> perm_set = new PermissionSet(
1440       apis, ManifestPermissionSet(), empty_set, empty_set);
1441   std::set<std::string> api_names = perm_set->GetAPIsAsStrings();
1442
1443   // The result is correct if it has the same number of elements
1444   // and we can convert it back to the id set.
1445   EXPECT_EQ(4u, api_names.size());
1446   EXPECT_EQ(apis,
1447             PermissionsInfo::GetInstance()->GetAllByName(api_names));
1448 }
1449
1450 TEST(PermissionsTest, IsEmpty) {
1451   APIPermissionSet empty_apis;
1452   URLPatternSet empty_extent;
1453
1454   scoped_refptr<PermissionSet> empty = new PermissionSet();
1455   EXPECT_TRUE(empty->IsEmpty());
1456   scoped_refptr<PermissionSet> perm_set;
1457
1458   perm_set = new PermissionSet(empty_apis, ManifestPermissionSet(),
1459                                empty_extent, empty_extent);
1460   EXPECT_TRUE(perm_set->IsEmpty());
1461
1462   APIPermissionSet non_empty_apis;
1463   non_empty_apis.insert(APIPermission::kBackground);
1464   perm_set = new PermissionSet(non_empty_apis, ManifestPermissionSet(),
1465                                empty_extent, empty_extent);
1466   EXPECT_FALSE(perm_set->IsEmpty());
1467
1468   // Try non standard host
1469   URLPatternSet non_empty_extent;
1470   AddPattern(&non_empty_extent, "http://www.google.com/*");
1471
1472   perm_set = new PermissionSet(empty_apis, ManifestPermissionSet(),
1473                                non_empty_extent, empty_extent);
1474   EXPECT_FALSE(perm_set->IsEmpty());
1475
1476   perm_set = new PermissionSet(empty_apis, ManifestPermissionSet(),
1477                                empty_extent, non_empty_extent);
1478   EXPECT_FALSE(perm_set->IsEmpty());
1479 }
1480
1481 TEST(PermissionsTest, ImpliedPermissions) {
1482   URLPatternSet empty_extent;
1483   APIPermissionSet apis;
1484   apis.insert(APIPermission::kFileBrowserHandler);
1485   EXPECT_EQ(1U, apis.size());
1486
1487   scoped_refptr<PermissionSet> perm_set;
1488   perm_set = new PermissionSet(apis, ManifestPermissionSet(),
1489                                empty_extent, empty_extent);
1490   EXPECT_EQ(2U, perm_set->apis().size());
1491 }
1492
1493 TEST(PermissionsTest, SyncFileSystemPermission) {
1494   scoped_refptr<Extension> extension = LoadManifest(
1495       "permissions", "sync_file_system.json");
1496   APIPermissionSet apis;
1497   apis.insert(APIPermission::kSyncFileSystem);
1498   EXPECT_TRUE(extension->is_platform_app());
1499   EXPECT_TRUE(extension->HasAPIPermission(APIPermission::kSyncFileSystem));
1500   std::vector<base::string16> warnings =
1501       PermissionsData::GetPermissionMessageStrings(extension.get());
1502   EXPECT_TRUE(Contains(warnings, "Store data in your Google Drive account"));
1503   ASSERT_EQ(1u, warnings.size());
1504 }
1505
1506 // Make sure that we don't crash when we're trying to show the permissions
1507 // even though chrome://thumb (and everything that's not chrome://favicon with
1508 // a chrome:// scheme) is not a valid permission.
1509 // More details here: crbug/246314.
1510 TEST(PermissionsTest, ChromeURLs) {
1511   URLPatternSet allowed_hosts;
1512   allowed_hosts.AddPattern(
1513       URLPattern(URLPattern::SCHEME_ALL, "http://www.google.com/"));
1514   allowed_hosts.AddPattern(
1515       URLPattern(URLPattern::SCHEME_ALL, "chrome://favicon/"));
1516   allowed_hosts.AddPattern(
1517       URLPattern(URLPattern::SCHEME_ALL, "chrome://thumb/"));
1518   scoped_refptr<PermissionSet> permissions(
1519       new PermissionSet(APIPermissionSet(), ManifestPermissionSet(),
1520                         allowed_hosts, URLPatternSet()));
1521   PermissionMessageProvider::Get()->
1522       GetPermissionMessages(permissions, Manifest::TYPE_EXTENSION);
1523 }
1524
1525 TEST(PermissionsTest, IsPrivilegeIncrease_DeclarativeWebRequest) {
1526   scoped_refptr<Extension> extension(
1527       LoadManifest("permissions", "permissions_all_urls.json"));
1528   scoped_refptr<const PermissionSet> permissions(
1529       extension->GetActivePermissions());
1530
1531   scoped_refptr<Extension> extension_dwr(
1532       LoadManifest("permissions", "web_request_all_host_permissions.json"));
1533   scoped_refptr<const PermissionSet> permissions_dwr(
1534       extension_dwr->GetActivePermissions());
1535
1536   EXPECT_FALSE(PermissionMessageProvider::Get()->
1537                    IsPrivilegeIncrease(permissions.get(),
1538                                        permissions_dwr.get(),
1539                                        extension->GetType()));
1540 }
1541
1542 }  // namespace extensions