Extensions: Split extensions utility IPC messages into its own file.

chrome/utility/extensions/extensions_handler.cc

+// Copyright 2014 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/utility/extensions/extensions_handler.h"
+
+#include "base/command_line.h"
+#include "base/path_service.h"
+#include "chrome/common/chrome_utility_messages.h"
+#include "chrome/common/extensions/chrome_extensions_client.h"
+#include "chrome/common/extensions/chrome_utility_extensions_messages.h"
+#include "chrome/common/extensions/update_manifest.h"
+#include "chrome/common/media_galleries/metadata_types.h"
+#include "chrome/utility/chrome_content_utility_client.h"
+#include "chrome/utility/extensions/unpacker.h"
+#include "chrome/utility/media_galleries/image_metadata_extractor.h"
+#include "content/public/common/content_paths.h"
+#include "content/public/utility/utility_thread.h"
+#include "extensions/common/extension.h"
+#include "extensions/common/extension_l10n_util.h"
+#include "extensions/common/manifest.h"
+#include "media/base/media.h"
+#include "media/base/media_file_checker.h"
+#include "ui/base/ui_base_switches.h"
+
+#if defined(OS_WIN)
+#include "chrome/common/extensions/api/networking_private/networking_private_crypto.h"
+#include "chrome/utility/media_galleries/itunes_pref_parser_win.h"
+#include "components/wifi/wifi_service.h"
+#endif  // defined(OS_WIN)
+
+#if defined(OS_MACOSX)
+#include "chrome/utility/media_galleries/iphoto_library_parser.h"
+#endif  // defined(OS_MACOSX)
+
+#if defined(OS_WIN) || defined(OS_MACOSX)
+#include "chrome/utility/media_galleries/iapps_xml_utils.h"
+#include "chrome/utility/media_galleries/itunes_library_parser.h"
+#include "chrome/utility/media_galleries/picasa_album_table_reader.h"
+#include "chrome/utility/media_galleries/picasa_albums_indexer.h"
+#endif  // defined(OS_WIN) || defined(OS_MACOSX)
+
+namespace extensions {
+
+namespace {
+
+bool Send(IPC::Message* message) {
+  return content::UtilityThread::Get()->Send(message);
+}
+
+void ReleaseProcessIfNeeded() {
+  content::UtilityThread::Get()->ReleaseProcessIfNeeded();
+}
+
+}  // namespace
+
+ExtensionsHandler::ExtensionsHandler() {}
+
+ExtensionsHandler::~ExtensionsHandler() {}
+
+// static
+void ExtensionsHandler::PreSandboxStartup() {
+  // Initialize libexif for image metadata parsing.
+  metadata::ImageMetadataExtractor::InitializeLibrary();
+
+  // Load media libraries for media file validation.
+  base::FilePath media_path;
+  PathService::Get(content::DIR_MEDIA_LIBS, &media_path);
+  if (!media_path.empty())
+    media::InitializeMediaLibrary(media_path);
+}
+
+void ExtensionsHandler::UtilityThreadStarted() {
+  base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
+  std::string lang = command_line->GetSwitchValueASCII(switches::kLang);
+  if (!lang.empty())
+    extension_l10n_util::SetProcessLocale(lang);
+}
+
+bool ExtensionsHandler::OnMessageReceived(const IPC::Message& message) {
+  bool handled = true;
+  IPC_BEGIN_MESSAGE_MAP(ExtensionsHandler, message)
+    IPC_MESSAGE_HANDLER(ChromeUtilityMsg_UnpackExtension, OnUnpackExtension)
+    IPC_MESSAGE_HANDLER(ChromeUtilityMsg_ParseUpdateManifest,
+                        OnParseUpdateManifest)
+    IPC_MESSAGE_HANDLER(ChromeUtilityMsg_DecodeImageBase64, OnDecodeImageBase64)
+    IPC_MESSAGE_HANDLER(ChromeUtilityMsg_ParseJSON, OnParseJSON)
+    IPC_MESSAGE_HANDLER(ChromeUtilityMsg_CheckMediaFile, OnCheckMediaFile)
+#if defined(OS_WIN)
+    IPC_MESSAGE_HANDLER(ChromeUtilityMsg_ParseITunesPrefXml,
+                        OnParseITunesPrefXml)
+#endif  // defined(OS_WIN)
+
+#if defined(OS_MACOSX)
+    IPC_MESSAGE_HANDLER(ChromeUtilityMsg_ParseIPhotoLibraryXmlFile,
+                        OnParseIPhotoLibraryXmlFile)
+#endif  // defined(OS_MACOSX)
+
+#if defined(OS_WIN) || defined(OS_MACOSX)
+    IPC_MESSAGE_HANDLER(ChromeUtilityMsg_ParseITunesLibraryXmlFile,
+                        OnParseITunesLibraryXmlFile)
+    IPC_MESSAGE_HANDLER(ChromeUtilityMsg_ParsePicasaPMPDatabase,
+                        OnParsePicasaPMPDatabase)
+    IPC_MESSAGE_HANDLER(ChromeUtilityMsg_IndexPicasaAlbumsContents,
+                        OnIndexPicasaAlbumsContents)
+#endif  // defined(OS_WIN) || defined(OS_MACOSX)
+
+#if defined(OS_WIN)
+    IPC_MESSAGE_HANDLER(ChromeUtilityHostMsg_GetAndEncryptWiFiCredentials,
+                        OnGetAndEncryptWiFiCredentials)
+#endif  // defined(OS_WIN)
+
+    IPC_MESSAGE_UNHANDLED(handled = false)
+  IPC_END_MESSAGE_MAP()
+  return handled;
+}
+
+void ExtensionsHandler::OnUnpackExtension(
+    const base::FilePath& extension_path,
+    const std::string& extension_id,
+    int location,
+    int creation_flags) {
+  CHECK_GT(location, Manifest::INVALID_LOCATION);
+  CHECK_LT(location, Manifest::NUM_LOCATIONS);
+  ExtensionsClient::Set(ChromeExtensionsClient::GetInstance());
+  Unpacker unpacker(extension_path,
+                    extension_id,
+                    static_cast<Manifest::Location>(location),
+                    creation_flags);
+  if (unpacker.Run() && unpacker.DumpImagesToFile() &&
+      unpacker.DumpMessageCatalogsToFile()) {
+    Send(new ChromeUtilityHostMsg_UnpackExtension_Succeeded(
+        *unpacker.parsed_manifest()));
+  } else {
+    Send(new ChromeUtilityHostMsg_UnpackExtension_Failed(
+        unpacker.error_message()));
+  }
+
+  ReleaseProcessIfNeeded();
+}
+
+void ExtensionsHandler::OnParseUpdateManifest(const std::string& xml) {
+  UpdateManifest manifest;
+  if (!manifest.Parse(xml)) {
+    Send(new ChromeUtilityHostMsg_ParseUpdateManifest_Failed(
+        manifest.errors()));
+  } else {
+    Send(new ChromeUtilityHostMsg_ParseUpdateManifest_Succeeded(
+        manifest.results()));
+  }
+  ReleaseProcessIfNeeded();
+}
+
+void ExtensionsHandler::OnDecodeImageBase64(
+    const std::string& encoded_string) {
+  std::string decoded_string;
+
+  if (!base::Base64Decode(encoded_string, &decoded_string)) {
+    Send(new ChromeUtilityHostMsg_DecodeImage_Failed());
+    return;
+  }
+
+  std::vector<unsigned char> decoded_vector(decoded_string.size());
+  for (size_t i = 0; i < decoded_string.size(); ++i) {
+    decoded_vector[i] = static_cast<unsigned char>(decoded_string[i]);
+  }
+
+  ChromeContentUtilityClient::DecodeImage(decoded_vector);
+}
+
+void ExtensionsHandler::OnParseJSON(const std::string& json) {
+  int error_code;
+  std::string error;
+  base::Value* value = base::JSONReader::ReadAndReturnError(
+      json, base::JSON_PARSE_RFC, &error_code, &error);
+  if (value) {
+    base::ListValue wrapper;
+    wrapper.Append(value);
+    Send(new ChromeUtilityHostMsg_ParseJSON_Succeeded(wrapper));
+  } else {
+    Send(new ChromeUtilityHostMsg_ParseJSON_Failed(error));
+  }
+  ReleaseProcessIfNeeded();
+}
+
+void ExtensionsHandler::OnCheckMediaFile(
+    int64 milliseconds_of_decoding,
+    const IPC::PlatformFileForTransit& media_file) {
+  media::MediaFileChecker checker(
+      IPC::PlatformFileForTransitToFile(media_file));
+  const bool check_success = checker.Start(
+      base::TimeDelta::FromMilliseconds(milliseconds_of_decoding));
+  Send(new ChromeUtilityHostMsg_CheckMediaFile_Finished(check_success));
+  ReleaseProcessIfNeeded();
+}
+
+#if defined(OS_WIN)
+void ExtensionsHandler::OnParseITunesPrefXml(
+    const std::string& itunes_xml_data) {
+  base::FilePath library_path(
+      itunes::FindLibraryLocationInPrefXml(itunes_xml_data));
+  Send(new ChromeUtilityHostMsg_GotITunesDirectory(library_path));
+  ReleaseProcessIfNeeded();
+}
+#endif  // defined(OS_WIN)
+
+#if defined(OS_MACOSX)
+void ExtensionsHandler::OnParseIPhotoLibraryXmlFile(
+    const IPC::PlatformFileForTransit& iphoto_library_file) {
+  iphoto::IPhotoLibraryParser parser;
+  base::File file = IPC::PlatformFileForTransitToFile(iphoto_library_file);
+  bool result = parser.Parse(iapps::ReadFileAsString(file.Pass()));
+  Send(new ChromeUtilityHostMsg_GotIPhotoLibrary(result, parser.library()));
+  ReleaseProcessIfNeeded();
+}
+#endif  // defined(OS_MACOSX)
+
+#if defined(OS_WIN) || defined(OS_MACOSX)
+void ExtensionsHandler::OnParseITunesLibraryXmlFile(
+    const IPC::PlatformFileForTransit& itunes_library_file) {
+  itunes::ITunesLibraryParser parser;
+  base::File file = IPC::PlatformFileForTransitToFile(itunes_library_file);
+  bool result = parser.Parse(iapps::ReadFileAsString(file.Pass()));
+  Send(new ChromeUtilityHostMsg_GotITunesLibrary(result, parser.library()));
+  ReleaseProcessIfNeeded();
+}
+
+void ExtensionsHandler::OnParsePicasaPMPDatabase(
+    const picasa::AlbumTableFilesForTransit& album_table_files) {
+  picasa::AlbumTableFiles files;
+  files.indicator_file =
+      IPC::PlatformFileForTransitToFile(album_table_files.indicator_file);
+  files.category_file =
+      IPC::PlatformFileForTransitToFile(album_table_files.category_file);
+  files.date_file =
+      IPC::PlatformFileForTransitToFile(album_table_files.date_file);
+  files.filename_file =
+      IPC::PlatformFileForTransitToFile(album_table_files.filename_file);
+  files.name_file =
+      IPC::PlatformFileForTransitToFile(album_table_files.name_file);
+  files.token_file =
+      IPC::PlatformFileForTransitToFile(album_table_files.token_file);
+  files.uid_file =
+      IPC::PlatformFileForTransitToFile(album_table_files.uid_file);
+
+  picasa::PicasaAlbumTableReader reader(files.Pass());
+  bool parse_success = reader.Init();
+  Send(new ChromeUtilityHostMsg_ParsePicasaPMPDatabase_Finished(
+      parse_success,
+      reader.albums(),
+      reader.folders()));
+  ReleaseProcessIfNeeded();
+}
+
+void ExtensionsHandler::OnIndexPicasaAlbumsContents(
+    const picasa::AlbumUIDSet& album_uids,
+    const std::vector<picasa::FolderINIContents>& folders_inis) {
+  picasa::PicasaAlbumsIndexer indexer(album_uids);
+  indexer.ParseFolderINI(folders_inis);
+
+  Send(new ChromeUtilityHostMsg_IndexPicasaAlbumsContents_Finished(
+      indexer.albums_images()));
+  ReleaseProcessIfNeeded();
+}
+#endif  // defined(OS_WIN) || defined(OS_MACOSX)
+
+#if defined(OS_WIN)
+void ExtensionsHandler::OnGetAndEncryptWiFiCredentials(
+    const std::string& network_guid,
+    const std::vector<uint8>& public_key) {
+  scoped_ptr<wifi::WiFiService> wifi_service(wifi::WiFiService::Create());
+  wifi_service->Initialize(NULL);
+
+  std::string key_data;
+  std::string error;
+  wifi_service->GetKeyFromSystem(network_guid, &key_data, &error);
+
+  std::vector<uint8> ciphertext;
+  bool success = error.empty() && !key_data.empty();
+  if (success) {
+    NetworkingPrivateCrypto crypto;
+    success = crypto.EncryptByteString(public_key, key_data, &ciphertext);
+  }
+
+  Send(new ChromeUtilityHostMsg_GotEncryptedWiFiCredentials(ciphertext,
+                                                            success));
+}
+#endif  // defined(OS_WIN)
+
+}  // namespace extensions