| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // 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/bind.h" |
| #include "base/bind_helpers.h" |
| #include "base/command_line.h" |
| #include "base/files/file_path.h" |
| #include "base/message_loop/message_loop.h" |
| #include "base/run_loop.h" |
| #include "base/single_thread_task_runner.h" |
| #include "base/strings/stringprintf.h" |
| #include "base/strings/utf_string_conversions.h" |
| #include "chrome/common/chrome_switches.h" |
| #include "chrome/common/extensions/chrome_extensions_client.h" |
| #include "content/public/browser/browser_thread.h" |
| #include "extensions/browser/sandboxed_unpacker.h" |
| #include "extensions/common/extension.h" |
| |
| using content::BrowserThread; |
| |
| namespace extensions { |
| |
| namespace { |
| |
| void PrintPackExtensionMessage(const std::string& message) { |
| VLOG(1) << message; |
| } |
| |
| } // namespace |
| |
| StartupHelper::StartupHelper() : pack_job_succeeded_(false) { |
| ExtensionsClient::Set(ChromeExtensionsClient::GetInstance()); |
| } |
| |
| 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) { |
| PrintPackExtensionMessage(error_message); |
| } |
| |
| bool StartupHelper::PackExtension(const base::CommandLine& cmd_line) { |
| 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 file thread. Ignore warnings |
| // from the packing process. (e.g. Overwrite any existing crx file.) |
| pack_job_ = new PackExtensionJob(this, src_dir, private_key_path, |
| ExtensionCreator::kOverwriteCRX); |
| pack_job_->set_asynchronous(false); |
| pack_job_->Start(); |
| |
| return pack_job_succeeded_; |
| } |
| |
| namespace { |
| |
| class ValidateCrxHelper : public SandboxedUnpackerClient { |
| public: |
| ValidateCrxHelper(const CRXFileInfo& file, |
| const base::FilePath& temp_dir, |
| base::RunLoop* run_loop) |
| : crx_file_(file), |
| temp_dir_(temp_dir), |
| run_loop_(run_loop), |
| finished_(false), |
| success_(false) {} |
| |
| bool finished() { return finished_; } |
| bool success() { return success_; } |
| const base::string16& error() { return error_; } |
| |
| void Start() { |
| BrowserThread::PostTask(BrowserThread::FILE, |
| FROM_HERE, |
| base::Bind(&ValidateCrxHelper::StartOnFileThread, |
| this)); |
| } |
| |
| protected: |
| ~ValidateCrxHelper() override {} |
| |
| void OnUnpackSuccess(const base::FilePath& temp_dir, |
| const base::FilePath& extension_root, |
| const base::DictionaryValue* original_manifest, |
| const Extension* extension, |
| const SkBitmap& install_icon) override { |
| finished_ = true; |
| success_ = true; |
| BrowserThread::PostTask(BrowserThread::UI, |
| FROM_HERE, |
| base::Bind(&ValidateCrxHelper::FinishOnUIThread, |
| this)); |
| } |
| |
| void OnUnpackFailure(const CrxInstallError& error) override { |
| finished_ = true; |
| success_ = false; |
| error_ = error.message(); |
| BrowserThread::PostTask(BrowserThread::UI, |
| FROM_HERE, |
| base::Bind(&ValidateCrxHelper::FinishOnUIThread, |
| this)); |
| } |
| |
| void FinishOnUIThread() { |
| CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); |
| if (run_loop_->running()) |
| run_loop_->Quit(); |
| } |
| |
| void StartOnFileThread() { |
| CHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE)); |
| scoped_refptr<base::SingleThreadTaskRunner> file_task_runner = |
| BrowserThread::GetTaskRunnerForThread(BrowserThread::FILE); |
| |
| scoped_refptr<SandboxedUnpacker> unpacker(new SandboxedUnpacker( |
| Manifest::INTERNAL, 0, /* no special creation flags */ |
| temp_dir_, file_task_runner.get(), this)); |
| unpacker->StartWithCrx(crx_file_); |
| } |
| |
| // The file being validated. |
| const CRXFileInfo& crx_file_; |
| |
| // The temporary directory where the sandboxed unpacker will do work. |
| const base::FilePath& temp_dir_; |
| |
| // Unowned pointer to a runloop, so our consumer can wait for us to finish. |
| base::RunLoop* run_loop_; |
| |
| // Whether we're finished unpacking; |
| bool finished_; |
| |
| // Whether the unpacking was successful. |
| bool success_; |
| |
| // If the unpacking wasn't successful, this contains an error message. |
| base::string16 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); |
| scoped_refptr<ValidateCrxHelper> helper( |
| new ValidateCrxHelper(file, temp_dir.GetPath(), &run_loop)); |
| helper->Start(); |
| run_loop.Run(); |
| |
| bool success = helper->success(); |
| if (!success) |
| *error = base::UTF16ToUTF8(helper->error()); |
| return success; |
| } |
| |
| StartupHelper::~StartupHelper() { |
| if (pack_job_.get()) |
| pack_job_->ClearClient(); |
| } |
| |
| } // namespace extensions |