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// Copyright 2015 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 "extensions/browser/updater/update_data_provider.h"
#include "base/base64.h"
#include "base/bind.h"
#include "base/files/file_path.h"
#include "base/files/file_util.h"
#include "base/strings/string_util.h"
#include "components/update_client/update_client.h"
#include "content/public/browser/browser_thread.h"
#include "crypto/sha2.h"
#include "extensions/browser/content_verifier.h"
#include "extensions/browser/extension_registry.h"
#include "extensions/browser/extension_system.h"
#include "extensions/browser/updater/update_install_shim.h"
#include "extensions/common/extension.h"
namespace extensions {
UpdateDataProvider::UpdateDataProvider(content::BrowserContext* context,
const InstallCallback& callback)
: context_(context), callback_(callback) {}
UpdateDataProvider::~UpdateDataProvider() {}
void UpdateDataProvider::Shutdown() {
context_ = nullptr;
}
void UpdateDataProvider::GetData(
const std::vector<std::string>& ids,
std::vector<update_client::CrxComponent>* data) {
if (!context_)
return;
const ExtensionRegistry* registry = ExtensionRegistry::Get(context_);
for (const auto& id : ids) {
const Extension* extension = registry->GetInstalledExtension(id);
if (!extension)
continue;
data->push_back(update_client::CrxComponent());
update_client::CrxComponent* info = &data->back();
std::string pubkey_bytes;
base::Base64Decode(extension->public_key(), &pubkey_bytes);
info->pk_hash.resize(crypto::kSHA256Length, 0);
crypto::SHA256HashString(pubkey_bytes, info->pk_hash.data(),
info->pk_hash.size());
info->version = *extension->version();
info->allow_background_download = false;
info->installer = new UpdateInstallShim(
id, extension->path(),
base::Bind(&UpdateDataProvider::RunInstallCallback, this));
}
}
void UpdateDataProvider::RunInstallCallback(const std::string& extension_id,
const base::FilePath& temp_dir) {
if (!context_) {
content::BrowserThread::PostBlockingPoolTask(
FROM_HERE,
base::Bind(base::IgnoreResult(&base::DeleteFile), temp_dir, false));
return;
} else {
callback_.Run(context_, extension_id, temp_dir);
}
}
} // namespace extensions
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