| // Copyright 2012 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "chrome/browser/extensions/startup_helper.h" |
| |
| #include "base/command_line.h" |
| #include "base/files/file_path.h" |
| #include "base/functional/bind.h" |
| #include "base/functional/callback_helpers.h" |
| #include "base/memory/raw_ref.h" |
| #include "base/run_loop.h" |
| #include "base/strings/stringprintf.h" |
| #include "base/strings/utf_string_conversions.h" |
| #include "base/task/single_thread_task_runner.h" |
| #include "chrome/common/chrome_switches.h" |
| #include "chrome/common/initialize_extensions_client.h" |
| #include "content/public/browser/browser_task_traits.h" |
| #include "content/public/browser/browser_thread.h" |
| #include "extensions/browser/extension_file_task_runner.h" |
| #include "extensions/browser/sandboxed_unpacker.h" |
| #include "extensions/common/extension.h" |
| #include "extensions/common/verifier_formats.h" |
| |
| using content::BrowserThread; |
| |
| namespace extensions { |
| |
| namespace { |
| |
| void PrintPackExtensionMessage(const std::string& message) { |
| VLOG(1) << message; |
| } |
| |
| } // namespace |
| |
| StartupHelper::StartupHelper() { |
| EnsureExtensionsClientInitialized(); |
| } |
| |
| StartupHelper::~StartupHelper() = default; |
| |
| void StartupHelper::OnPackSuccess( |
| const base::FilePath& crx_path, |
| const base::FilePath& output_private_key_path) { |
| pack_job_succeeded_ = true; |
| PrintPackExtensionMessage( |
| base::UTF16ToUTF8( |
| PackExtensionJob::StandardSuccessMessage(crx_path, |
| output_private_key_path))); |
| } |
| |
| void StartupHelper::OnPackFailure(const std::string& error_message, |
| ExtensionCreator::ErrorType type) { |
| error_message_ = error_message; |
| PrintPackExtensionMessage(error_message); |
| } |
| |
| bool StartupHelper::PackExtension(const base::CommandLine& cmd_line, |
| std::string* error) { |
| if (!cmd_line.HasSwitch(::switches::kPackExtension)) |
| return false; |
| |
| // Input Paths. |
| base::FilePath src_dir = |
| cmd_line.GetSwitchValuePath(::switches::kPackExtension); |
| base::FilePath private_key_path; |
| if (cmd_line.HasSwitch(::switches::kPackExtensionKey)) { |
| private_key_path = |
| cmd_line.GetSwitchValuePath(::switches::kPackExtensionKey); |
| } |
| |
| // Launch a job to perform the packing on the blocking thread. Ignore |
| // warnings from the packing process. (e.g. Overwrite any existing crx file.) |
| PackExtensionJob pack_job(this, src_dir, private_key_path, |
| ExtensionCreator::kOverwriteCRX); |
| pack_job.set_synchronous(); |
| pack_job.Start(); |
| |
| if (!pack_job_succeeded_) |
| *error = error_message_; |
| return pack_job_succeeded_; |
| } |
| |
| namespace { |
| |
| class ValidateCrxHelper : public SandboxedUnpackerClient { |
| public: |
| ValidateCrxHelper(const CRXFileInfo& file, |
| const base::FilePath& temp_dir, |
| base::OnceClosure quit_closure) |
| : crx_file_(file), |
| temp_dir_(temp_dir), |
| quit_closure_(std::move(quit_closure)), |
| success_(false) {} |
| |
| ValidateCrxHelper(const ValidateCrxHelper&) = delete; |
| ValidateCrxHelper& operator=(const ValidateCrxHelper&) = delete; |
| |
| bool success() const { return success_; } |
| const std::u16string& error() const { return error_; } |
| |
| void Start() { |
| GetExtensionFileTaskRunner()->PostTask( |
| FROM_HERE, |
| base::BindOnce(&ValidateCrxHelper::StartOnBlockingThread, this)); |
| } |
| |
| protected: |
| ~ValidateCrxHelper() override {} |
| |
| void OnUnpackSuccess(const base::FilePath& temp_dir, |
| const base::FilePath& extension_root, |
| std::unique_ptr<base::Value::Dict> original_manifest, |
| const Extension* extension, |
| const SkBitmap& install_icon, |
| declarative_net_request::RulesetInstallPrefs |
| ruleset_install_prefs) override { |
| DCHECK(GetExtensionFileTaskRunner()->RunsTasksInCurrentSequence()); |
| success_ = true; |
| content::GetUIThreadTaskRunner({})->PostTask( |
| FROM_HERE, base::BindOnce(&ValidateCrxHelper::FinishOnUIThread, this)); |
| } |
| |
| void OnUnpackFailure(const CrxInstallError& error) override { |
| DCHECK(GetExtensionFileTaskRunner()->RunsTasksInCurrentSequence()); |
| success_ = false; |
| error_ = error.message(); |
| content::GetUIThreadTaskRunner({})->PostTask( |
| FROM_HERE, base::BindOnce(&ValidateCrxHelper::FinishOnUIThread, this)); |
| } |
| |
| void FinishOnUIThread() { |
| DCHECK_CURRENTLY_ON(BrowserThread::UI); |
| std::move(quit_closure_).Run(); |
| } |
| |
| void StartOnBlockingThread() { |
| DCHECK(GetExtensionFileTaskRunner()->RunsTasksInCurrentSequence()); |
| auto unpacker = base::MakeRefCounted<SandboxedUnpacker>( |
| mojom::ManifestLocation::kInternal, 0, /* no special creation flags */ |
| *temp_dir_, GetExtensionFileTaskRunner().get(), this); |
| unpacker->StartWithCrx(*crx_file_); |
| } |
| |
| // The file being validated. |
| const raw_ref<const CRXFileInfo> crx_file_; |
| |
| // The temporary directory where the sandboxed unpacker will do work. |
| const raw_ref<const base::FilePath> temp_dir_; |
| |
| // Closure called upon completion. |
| base::OnceClosure quit_closure_; |
| |
| // Whether the unpacking was successful. |
| bool success_; |
| |
| // If the unpacking wasn't successful, this contains an error message. |
| std::u16string error_; |
| }; |
| |
| } // namespace |
| |
| bool StartupHelper::ValidateCrx(const base::CommandLine& cmd_line, |
| std::string* error) { |
| CHECK(error); |
| base::FilePath path = cmd_line.GetSwitchValuePath(::switches::kValidateCrx); |
| if (path.empty()) { |
| *error = base::StringPrintf("Empty path passed for %s", |
| ::switches::kValidateCrx); |
| return false; |
| } |
| base::ScopedTempDir temp_dir; |
| |
| if (!temp_dir.CreateUniqueTempDir()) { |
| *error = std::string("Failed to create temp dir"); |
| return false; |
| } |
| |
| base::RunLoop run_loop; |
| CRXFileInfo file(path, extensions::GetExternalVerifierFormat()); |
| auto helper = base::MakeRefCounted<ValidateCrxHelper>( |
| file, temp_dir.GetPath(), run_loop.QuitClosure()); |
| helper->Start(); |
| run_loop.Run(); |
| |
| bool success = helper->success(); |
| if (!success) |
| *error = base::UTF16ToUTF8(helper->error()); |
| return success; |
| } |
| |
| } // namespace extensions |