Index: chrome/browser/component_updater/file_type_policies_component_installer.cc |
diff --git a/chrome/browser/component_updater/file_type_policies_component_installer.cc b/chrome/browser/component_updater/file_type_policies_component_installer.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..8f261bc6914f5ba1a13b6c1393a4aaa0171c7f07 |
--- /dev/null |
+++ b/chrome/browser/component_updater/file_type_policies_component_installer.cc |
@@ -0,0 +1,132 @@ |
+// Copyright 2016 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/component_updater/file_type_policies_component_installer.h" |
+ |
+#include <string> |
+#include <utility> |
+#include <vector> |
+ |
+#include "base/bind.h" |
+#include "base/files/file_path.h" |
+#include "base/files/file_util.h" |
+#include "base/logging.h" |
+#include "base/macros.h" |
+#include "base/path_service.h" |
+#include "base/version.h" |
+#include "chrome/common/safe_browsing/file_type_policies.h" |
+#include "components/component_updater/component_updater_paths.h" |
+#include "content/public/browser/browser_thread.h" |
+ |
+using component_updater::ComponentUpdateService; |
+ |
+namespace { |
+const base::FilePath::CharType kFileTypePoliciesBinaryPbFileName[] = |
+ FILE_PATH_LITERAL("download_file_types.pb"); |
+ |
+// The SHA256 of the SubjectPublicKeyInfo used to sign the extension. |
+// The extension id is: khaoiebndkojlmppeemjhbpbandiljpe |
+const uint8_t kPublicKeySHA256[32] = { |
+ 0xa7, 0x0e, 0x84, 0x1d, 0x3a, 0xe9, 0xbc, 0xff, 0x44, 0xc9, 0x71, |
+ 0xf1, 0x0d, 0x38, 0xb9, 0xf4, 0x65, 0x92, 0x31, 0x01, 0x47, 0x3f, |
+ 0x1b, 0x7c, 0x11, 0xb0, 0x85, 0x0f, 0xa3, 0xfd, 0xe1, 0xe5}; |
+ |
+const char kFileTypePoliciesManifestName[] = "File Type Policies"; |
+ |
+void LoadFileTypesFromDisk(const base::FilePath& pb_path) { |
+ if (pb_path.empty()) |
+ return; |
+ |
+ VLOG(1) << "Reading Download File Types from file: " << pb_path.value(); |
+ std::string binary_pb; |
+ if (!base::ReadFileToString(pb_path, &binary_pb)) { |
+ // The file won't exist on new installations, so this is not always an |
+ // error. |
+ VLOG(1) << "Failed reading from " << pb_path.value(); |
+ return; |
+ } |
+ |
+ safe_browsing::FileTypePolicies::GetInstance()->PopulateFromDynamicUpdate( |
+ binary_pb); |
+} |
+ |
+} // namespace |
+ |
+namespace component_updater { |
+ |
+bool FileTypePoliciesComponentInstallerTraits::CanAutoUpdate() const { |
+ return true; |
+} |
+ |
+bool FileTypePoliciesComponentInstallerTraits::RequiresNetworkEncryption() |
+ const { |
+ return false; |
+} |
+ |
+bool FileTypePoliciesComponentInstallerTraits::OnCustomInstall( |
+ const base::DictionaryValue& manifest, |
+ const base::FilePath& install_dir) { |
+ return true; // Nothing custom here. |
+} |
+ |
+base::FilePath FileTypePoliciesComponentInstallerTraits::GetInstalledPath( |
+ const base::FilePath& base) { |
+ return base.Append(kFileTypePoliciesBinaryPbFileName); |
+} |
+ |
+void FileTypePoliciesComponentInstallerTraits::ComponentReady( |
+ const base::Version& version, |
+ const base::FilePath& install_dir, |
+ std::unique_ptr<base::DictionaryValue> manifest) { |
+ VLOG(1) << "Component ready, version " << version.GetString() << " in " |
+ << install_dir.value(); |
+ |
+ if (!content::BrowserThread::PostBlockingPoolTask( |
+ FROM_HERE, |
+ base::Bind(&LoadFileTypesFromDisk, GetInstalledPath(install_dir)))) { |
+ NOTREACHED(); |
+ } |
+} |
+ |
+// Called during startup and installation before ComponentReady(). |
+bool FileTypePoliciesComponentInstallerTraits::VerifyInstallation( |
+ const base::DictionaryValue& manifest, |
+ const base::FilePath& install_dir) const { |
+ // No need to actually validate the proto here, since we'll do the checking |
+ // in PopulateFromDynamicUpdate(). |
+ return base::PathExists(GetInstalledPath(install_dir)); |
+} |
+ |
+base::FilePath FileTypePoliciesComponentInstallerTraits::GetRelativeInstallDir() |
+ const { |
+ return base::FilePath(FILE_PATH_LITERAL("FileTypePolicies")); |
+} |
+ |
+void FileTypePoliciesComponentInstallerTraits::GetHash( |
+ std::vector<uint8_t>* hash) const { |
+ hash->assign(kPublicKeySHA256, |
+ kPublicKeySHA256 + arraysize(kPublicKeySHA256)); |
+} |
+ |
+std::string FileTypePoliciesComponentInstallerTraits::GetName() const { |
+ return kFileTypePoliciesManifestName; |
+} |
+ |
+std::string FileTypePoliciesComponentInstallerTraits::GetAp() const { |
+ return std::string(); |
+} |
+ |
+void RegisterFileTypePoliciesComponent(ComponentUpdateService* cus, |
+ const base::FilePath& user_data_dir) { |
+ VLOG(1) << "Registering File Type Policies component."; |
+ |
+ std::unique_ptr<ComponentInstallerTraits> traits( |
+ new FileTypePoliciesComponentInstallerTraits()); |
+ // |cus| will take ownership of |installer| during installer->Register(cus). |
+ DefaultComponentInstaller* installer = |
+ new DefaultComponentInstaller(std::move(traits)); |
+ installer->Register(cus, base::Closure()); |
+} |
+ |
+} // namespace component_updater |