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// 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/pack_extension_job.h"
#include <memory>
#include "base/functional/bind.h"
#include "base/strings/sys_string_conversions.h"
#include "base/strings/utf_string_conversions.h"
#include "base/task/sequenced_task_runner.h"
#include "chrome/grit/generated_resources.h"
#include "content/public/browser/browser_thread.h"
#include "extensions/browser/extension_creator.h"
#include "extensions/browser/extension_file_task_runner.h"
#include "extensions/common/constants.h"
#include "ui/base/l10n/l10n_util.h"
#if BUILDFLAG(IS_ANDROID)
#include "chrome/browser/ui/android/extensions/extension_util_bridge.h"
#endif // BUILDFLAG(IS_ANDROID)
using content::BrowserThread;
namespace extensions {
namespace {
struct CrxAndKeyFiles {
base::FilePath crx;
base::FilePath key;
};
std::optional<CrxAndKeyFiles> GetCrxAndKeyFilePaths(
const base::FilePath& root_directory,
const base::FilePath& key_file) {
bool create_key_file = key_file.empty();
#if BUILDFLAG(IS_ANDROID)
if (root_directory.IsVirtualDocumentPath()) {
std::vector<std::string> file_extensions{kExtensionFileExtension};
if (create_key_file) {
file_extensions.push_back(kExtensionKeyFileExtension);
}
std::optional<std::vector<base::FilePath>> crx_key_files =
CreateEmptyFilesUnderDownloads(root_directory, file_extensions);
if (!crx_key_files) {
return std::nullopt;
}
return CrxAndKeyFiles{(*crx_key_files)[0], create_key_file
? (*crx_key_files)[1]
: base::FilePath()};
}
#endif // BUILDFLAG(IS_ANDROID)
return CrxAndKeyFiles{
root_directory.AddExtension(kExtensionFileExtension),
create_key_file ? root_directory.AddExtension(kExtensionKeyFileExtension)
: base::FilePath(),
};
}
} // namespace
PackExtensionJob::PackExtensionJob(Client* client,
const base::FilePath& root_directory,
const base::FilePath& key_file,
int run_flags)
: client_(client),
key_file_(key_file),
run_flags_(run_flags | ExtensionCreator::kRequireModernManifestVersion) {
root_directory_ = root_directory.StripTrailingSeparators();
}
PackExtensionJob::~PackExtensionJob() = default;
void PackExtensionJob::Start() {
if (run_mode_ == RunMode::ASYNCHRONOUS) {
scoped_refptr<base::SequencedTaskRunner> task_runner =
base::SequencedTaskRunner::GetCurrentDefault();
GetExtensionFileTaskRunner()->PostTask(
FROM_HERE,
base::BindOnce(&PackExtensionJob::Run,
// See class level comments for why Unretained is safe.
base::Unretained(this), std::move(task_runner)));
} else {
DCHECK_EQ(RunMode::SYNCHRONOUS, run_mode_);
Run(nullptr);
}
}
void PackExtensionJob::Run(
scoped_refptr<base::SequencedTaskRunner> async_reply_task_runner) {
DCHECK_EQ(!!async_reply_task_runner, run_mode_ == RunMode::ASYNCHRONOUS)
<< "Provide task runner iff we are running in asynchronous mode.";
std::optional<CrxAndKeyFiles> files =
GetCrxAndKeyFilePaths(root_directory_, key_file_);
if (!files) {
ReportFailureOnClientSequence("Failed to create files under Downloads",
ExtensionCreator::ErrorType::kOtherError);
}
auto crx_file_out = std::make_unique<base::FilePath>(std::move(files->crx));
auto key_file_out = std::make_unique<base::FilePath>(std::move(files->key));
ExtensionCreator creator;
if (creator.Run(root_directory_, *crx_file_out, key_file_, *key_file_out,
run_flags_)) {
if (run_mode_ == RunMode::ASYNCHRONOUS) {
async_reply_task_runner->PostTask(
FROM_HERE,
base::BindOnce(&PackExtensionJob::ReportSuccessOnClientSequence,
// See class level comments for why Unretained is safe.
base::Unretained(this), std::move(crx_file_out),
std::move(key_file_out)));
} else {
ReportSuccessOnClientSequence(std::move(crx_file_out),
std::move(key_file_out));
}
} else {
if (run_mode_ == RunMode::ASYNCHRONOUS) {
async_reply_task_runner->PostTask(
FROM_HERE,
base::BindOnce(&PackExtensionJob::ReportFailureOnClientSequence,
// See class level comments for why Unretained is safe.
base::Unretained(this), creator.error_message(),
creator.error_type()));
} else {
DCHECK_EQ(RunMode::SYNCHRONOUS, run_mode_);
ReportFailureOnClientSequence(creator.error_message(),
creator.error_type());
}
}
}
void PackExtensionJob::ReportSuccessOnClientSequence(
std::unique_ptr<base::FilePath> crx_file_out,
std::unique_ptr<base::FilePath> key_file_out) {
DCHECK(client_);
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
client_->OnPackSuccess(*crx_file_out, *key_file_out);
}
void PackExtensionJob::ReportFailureOnClientSequence(
const std::string& error,
ExtensionCreator::ErrorType error_type) {
DCHECK(client_);
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
client_->OnPackFailure(error, error_type);
}
// static
std::u16string PackExtensionJob::StandardSuccessMessage(
const base::FilePath& crx_file,
const base::FilePath& key_file) {
std::u16string crx_file_string = crx_file.LossyDisplayName();
std::u16string key_file_string = key_file.LossyDisplayName();
if (key_file_string.empty()) {
return l10n_util::GetStringFUTF16(
IDS_EXTENSION_PACK_DIALOG_SUCCESS_BODY_UPDATE,
crx_file_string);
} else {
return l10n_util::GetStringFUTF16(
IDS_EXTENSION_PACK_DIALOG_SUCCESS_BODY_NEW,
crx_file_string,
key_file_string);
}
}
} // namespace extensions
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