extensions/browser/sandboxed_unpacker_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/bind.h"
   6 #include "base/command_line.h"
   7 #include "base/files/file_util.h"
   8 #include "base/memory/ref_counted.h"
   9 #include "base/path_service.h"
  10 #include "base/run_loop.h"
  11 #include "base/strings/string_util.h"
  12 #include "base/thread_task_runner_handle.h"
  13 #include "base/values.h"
  14 #include "content/public/test/test_browser_thread_bundle.h"
  15 #include "content/public/test/test_utils.h"
  16 #include "extensions/browser/extensions_test.h"
  17 #include "extensions/browser/sandboxed_unpacker.h"
  18 #include "extensions/common/constants.h"
  19 #include "extensions/common/extension.h"
  20 #include "extensions/common/extension_paths.h"
  21 #include "extensions/common/switches.h"
  22 #include "testing/gtest/include/gtest/gtest.h"
  23 #include "third_party/skia/include/core/SkBitmap.h"
  24
  25 namespace extensions {
  26
  27 class MockSandboxedUnpackerClient : public SandboxedUnpackerClient {
  28  public:
  29   void WaitForUnpack() {
  30     scoped_refptr<content::MessageLoopRunner> runner =
  31         new content::MessageLoopRunner;
  32     quit_closure_ = runner->QuitClosure();
  33     runner->Run();
  34   }
  35
  36   base::FilePath temp_dir() const { return temp_dir_; }
  37   base::string16 unpack_err() const { return error_; }
  38
  39  private:
  40   ~MockSandboxedUnpackerClient() override {}
  41
  42   void OnUnpackSuccess(const base::FilePath& temp_dir,
  43                        const base::FilePath& extension_root,
  44                        const base::DictionaryValue* original_manifest,
  45                        const Extension* extension,
  46                        const SkBitmap& install_icon) override {
  47     temp_dir_ = temp_dir;
  48     quit_closure_.Run();
  49   }
  50
  51   void OnUnpackFailure(const CrxInstallError& error) override {
  52     error_ = error.message();
  53     quit_closure_.Run();
  54   }
  55
  56   base::string16 error_;
  57   base::Closure quit_closure_;
  58   base::FilePath temp_dir_;
  59 };
  60
  61 class SandboxedUnpackerTest : public ExtensionsTest {
  62  public:
  63   void SetUp() override {
  64     ExtensionsTest::SetUp();
  65     ASSERT_TRUE(extensions_dir_.CreateUniqueTempDir());
  66     browser_threads_.reset(new content::TestBrowserThreadBundle(
  67         content::TestBrowserThreadBundle::IO_MAINLOOP));
  68     in_process_utility_thread_helper_.reset(
  69         new content::InProcessUtilityThreadHelper);
  70     // It will delete itself.
  71     client_ = new MockSandboxedUnpackerClient;
  72   }
  73
  74   void TearDown() override {
  75     // Need to destruct SandboxedUnpacker before the message loop since
  76     // it posts a task to it.
  77     sandboxed_unpacker_ = NULL;
  78     base::RunLoop().RunUntilIdle();
  79     ExtensionsTest::TearDown();
  80   }
  81
  82   void SetupUnpacker(const std::string& crx_name,
  83                      const std::string& package_hash) {
  84     base::FilePath original_path;
  85     ASSERT_TRUE(PathService::Get(extensions::DIR_TEST_DATA, &original_path));
  86     original_path = original_path.AppendASCII("unpacker").AppendASCII(crx_name);
  87     ASSERT_TRUE(base::PathExists(original_path)) << original_path.value();
  88
  89     sandboxed_unpacker_ = new SandboxedUnpacker(
  90         extensions::CRXFileInfo(std::string(), original_path, package_hash),
  91         Manifest::INTERNAL, Extension::NO_FLAGS, extensions_dir_.path(),
  92         base::ThreadTaskRunnerHandle::Get(), client_);
  93
  94     base::ThreadTaskRunnerHandle::Get()->PostTask(
  95         FROM_HERE,
  96         base::Bind(&SandboxedUnpacker::Start, sandboxed_unpacker_.get()));
  97     client_->WaitForUnpack();
  98   }
  99
 100   base::FilePath GetInstallPath() {
 101     return client_->temp_dir().AppendASCII(kTempExtensionName);
 102   }
 103
 104   base::string16 GetInstallError() { return client_->unpack_err(); }
 105
 106  protected:
 107   base::ScopedTempDir extensions_dir_;
 108   MockSandboxedUnpackerClient* client_;
 109   scoped_refptr<SandboxedUnpacker> sandboxed_unpacker_;
 110   scoped_ptr<content::TestBrowserThreadBundle> browser_threads_;
 111   scoped_ptr<content::InProcessUtilityThreadHelper>
 112       in_process_utility_thread_helper_;
 113 };
 114
 115 TEST_F(SandboxedUnpackerTest, NoCatalogsSuccess) {
 116   SetupUnpacker("no_l10n.crx", "");
 117   // Check that there is no _locales folder.
 118   base::FilePath install_path = GetInstallPath().Append(kLocaleFolder);
 119   EXPECT_FALSE(base::PathExists(install_path));
 120 }
 121
 122 TEST_F(SandboxedUnpackerTest, WithCatalogsSuccess) {
 123   SetupUnpacker("good_l10n.crx", "");
 124   // Check that there is _locales folder.
 125   base::FilePath install_path = GetInstallPath().Append(kLocaleFolder);
 126   EXPECT_TRUE(base::PathExists(install_path));
 127 }
 128
 129 TEST_F(SandboxedUnpackerTest, FailHashCheck) {
 130   base::CommandLine::ForCurrentProcess()->AppendSwitch(
 131       extensions::switches::kEnableCrxHashCheck);
 132   SetupUnpacker("good_l10n.crx", "badhash");
 133   // Check that there is an error message.
 134   EXPECT_NE(base::string16(), GetInstallError());
 135 }
 136
 137 TEST_F(SandboxedUnpackerTest, PassHashCheck) {
 138   base::CommandLine::ForCurrentProcess()->AppendSwitch(
 139       extensions::switches::kEnableCrxHashCheck);
 140   SetupUnpacker(
 141       "good_l10n.crx",
 142       "6fa171c726373785aa4fcd2df448c3db0420a95d5044fbee831f089b979c4068");
 143   // Check that there is no error message.
 144   EXPECT_EQ(base::string16(), GetInstallError());
 145 }
 146
 147 TEST_F(SandboxedUnpackerTest, SkipHashCheck) {
 148   SetupUnpacker("good_l10n.crx", "badhash");
 149   // Check that there is no error message.
 150   EXPECT_EQ(base::string16(), GetInstallError());
 151 }
 152
 153 }  // namespace extensions