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

chrome/utility/chrome_content_utility_client.cc

 // 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/utility/chrome_content_utility_client.h"
 
-#include "base/base64.h"
-#include "base/bind.h"
 #include "base/command_line.h"
 #include "base/files/file_path.h"
-#include "base/json/json_reader.h"
 #include "base/memory/ref_counted.h"
-#include "base/path_service.h"
 #include "base/time/time.h"
 #include "chrome/common/chrome_utility_messages.h"
-#include "chrome/common/extensions/chrome_extensions_client.h"
-#include "chrome/common/extensions/update_manifest.h"
 #include "chrome/common/safe_browsing/zip_analyzer.h"
 #include "chrome/utility/chrome_content_utility_ipc_whitelist.h"
-#include "chrome/utility/extensions/unpacker.h"
-#include "chrome/utility/image_writer/image_writer_handler.h"
-#include "chrome/utility/profile_import_handler.h"
+#include "chrome/utility/utility_message_handler.h"
 #include "chrome/utility/web_resource_unpacker.h"
 #include "content/public/child/image_decoder_utils.h"
-#include "content/public/common/content_paths.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/utility/utility_thread.h"
 #include "courgette/courgette.h"
 #include "courgette/third_party/bsdiff.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 "third_party/skia/include/core/SkBitmap.h"
 #include "third_party/zlib/google/zip.h"
-#include "ui/base/ui_base_switches.h"
 #include "ui/gfx/codec/jpeg_codec.h"
-#include "ui/gfx/rect.h"
 #include "ui/gfx/size.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_ANDROID)
+#include "chrome/utility/profile_import_handler.h"
+#endif
 
-#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)
-
-#if !defined(OS_ANDROID) && !defined(OS_IOS)
-#include "chrome/common/media_galleries/metadata_types.h"
-#include "chrome/utility/media_galleries/image_metadata_extractor.h"
+#if defined(ENABLE_EXTENSIONS)
+#include "chrome/common/extensions/chrome_utility_extensions_messages.h"
+#include "chrome/utility/extensions/extensions_handler.h"
+#include "chrome/utility/image_writer/image_writer_handler.h"
 #include "chrome/utility/media_galleries/ipc_data_source.h"
 #include "chrome/utility/media_galleries/media_metadata_parser.h"
-#endif  // !defined(OS_ANDROID) && !defined(OS_IOS)
+#endif
 
 #if defined(ENABLE_FULL_PRINTING)
 #include "chrome/utility/printing_handler.h"
 #endif
 
 #if defined(ENABLE_MDNS)
 #include "chrome/utility/local_discovery/service_discovery_message_handler.h"
 #endif
 
 namespace {
 
 bool Send(IPC::Message* message) {
   return content::UtilityThread::Get()->Send(message);
 }
 
 void ReleaseProcessIfNeeded() {
   content::UtilityThread::Get()->ReleaseProcessIfNeeded();
 }
 
-#if !defined(OS_ANDROID) && !defined(OS_IOS)
+#if defined(ENABLE_EXTENSIONS)
 void FinishParseMediaMetadata(
-    metadata::MediaMetadataParser* parser,
+    metadata::MediaMetadataParser* /* parser */,
     const extensions::api::media_galleries::MediaMetadata& metadata,
     const std::vector<metadata::AttachedImage>& attached_images) {
   Send(new ChromeUtilityHostMsg_ParseMediaMetadata_Finished(
       true, *metadata.ToValue(), attached_images));
   ReleaseProcessIfNeeded();
 }
-#endif  // !defined(OS_ANDROID) && !defined(OS_IOS)
+#endif
 
 }  // namespace
 
 ChromeContentUtilityClient::ChromeContentUtilityClient()
     : filter_messages_(false) {
 #if !defined(OS_ANDROID)
   handlers_.push_back(new ProfileImportHandler());
 #endif
 
+#if defined(ENABLE_EXTENSIONS)
+  handlers_.push_back(new extensions::ExtensionsHandler());
+  handlers_.push_back(new image_writer::ImageWriterHandler());
+#endif
+
 #if defined(ENABLE_FULL_PRINTING)
   handlers_.push_back(new PrintingHandler());
 #endif
 
 #if defined(ENABLE_MDNS)
-  if (CommandLine::ForCurrentProcess()->HasSwitch(
+  if (base::CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kUtilityProcessEnableMDns)) {
     handlers_.push_back(new local_discovery::ServiceDiscoveryMessageHandler());
   }
 #endif
-
-  handlers_.push_back(new image_writer::ImageWriterHandler());
 }
 
 ChromeContentUtilityClient::~ChromeContentUtilityClient() {
 }
 
 void ChromeContentUtilityClient::UtilityThreadStarted() {
-  CommandLine* command_line = CommandLine::ForCurrentProcess();
-  std::string lang = command_line->GetSwitchValueASCII(switches::kLang);
-  if (!lang.empty())
-    extension_l10n_util::SetProcessLocale(lang);
+#if defined(ENABLE_EXTENSIONS)
+  extensions::ExtensionsHandler::UtilityThreadStarted();
+#endif
 
-  if (command_line->HasSwitch(switches::kUtilityProcessRunningElevated)) {
-    message_id_whitelist_.insert(kMessageWhitelist,
-                                 kMessageWhitelist + kMessageWhitelistSize);
-    filter_messages_ = true;
+  if (kMessageWhitelistSize > 0) {
+    base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
+    if (command_line->HasSwitch(switches::kUtilityProcessRunningElevated)) {
+      message_id_whitelist_.insert(kMessageWhitelist,
+                                   kMessageWhitelist + kMessageWhitelistSize);
+      filter_messages_ = true;
+    }
   }
 }
 
 bool ChromeContentUtilityClient::OnMessageReceived(
     const IPC::Message& message) {
   if (filter_messages_ && !ContainsKey(message_id_whitelist_, message.type()))
     return false;
 
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(ChromeContentUtilityClient, message)
-    IPC_MESSAGE_HANDLER(ChromeUtilityMsg_UnpackExtension, OnUnpackExtension)
     IPC_MESSAGE_HANDLER(ChromeUtilityMsg_UnpackWebResource,
                         OnUnpackWebResource)
-    IPC_MESSAGE_HANDLER(ChromeUtilityMsg_ParseUpdateManifest,
-                        OnParseUpdateManifest)
     IPC_MESSAGE_HANDLER(ChromeUtilityMsg_DecodeImage, OnDecodeImage)
-    IPC_MESSAGE_HANDLER(ChromeUtilityMsg_DecodeImageBase64, OnDecodeImageBase64)
     IPC_MESSAGE_HANDLER(ChromeUtilityMsg_RobustJPEGDecodeImage,
                         OnRobustJPEGDecodeImage)
-    IPC_MESSAGE_HANDLER(ChromeUtilityMsg_ParseJSON, OnParseJSON)
     IPC_MESSAGE_HANDLER(ChromeUtilityMsg_PatchFileBsdiff,
                         OnPatchFileBsdiff)
     IPC_MESSAGE_HANDLER(ChromeUtilityMsg_PatchFileCourgette,
                         OnPatchFileCourgette)
     IPC_MESSAGE_HANDLER(ChromeUtilityMsg_StartupPing, OnStartupPing)
     IPC_MESSAGE_HANDLER(ChromeUtilityMsg_AnalyzeZipFileForDownloadProtection,
                         OnAnalyzeZipFileForDownloadProtection)
-
-#if !defined(OS_ANDROID) && !defined(OS_IOS)
-    IPC_MESSAGE_HANDLER(ChromeUtilityMsg_CheckMediaFile, OnCheckMediaFile)
+#if defined(ENABLE_EXTENSIONS)
     IPC_MESSAGE_HANDLER(ChromeUtilityMsg_ParseMediaMetadata,
                         OnParseMediaMetadata)
-#endif  // !defined(OS_ANDROID) && !defined(OS_IOS)
-
+#endif
 #if defined(OS_CHROMEOS)
     IPC_MESSAGE_HANDLER(ChromeUtilityMsg_CreateZipFile, OnCreateZipFile)
-#endif  // defined(OS_CHROMEOS)
-
-#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)
-
+#endif
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
 
   for (Handlers::iterator it = handlers_.begin();
        !handled && it != handlers_.end(); ++it) {
     handled = (*it)->OnMessageReceived(message);
   }
 
   return handled;
 }
 
 // static
 void ChromeContentUtilityClient::PreSandboxStartup() {
+#if defined(ENABLE_EXTENSIONS)
+  extensions::ExtensionsHandler::PreSandboxStartup();
+#endif
+
 #if defined(ENABLE_FULL_PRINTING)
   PrintingHandler::PreSandboxStartup();
 #endif
 
 #if defined(ENABLE_MDNS)
-  if (CommandLine::ForCurrentProcess()->HasSwitch(
+  if (base::CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kUtilityProcessEnableMDns)) {
     local_discovery::ServiceDiscoveryMessageHandler::PreSandboxStartup();
   }
 #endif  // ENABLE_MDNS
-
-#if !defined(OS_ANDROID) && !defined(OS_IOS)
-  // Initialize libexif for image metadata parsing.
-  metadata::ImageMetadataExtractor::InitializeLibrary();
-#endif  // !defined(OS_ANDROID) && !defined(OS_IOS)
-
-  // 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 ChromeContentUtilityClient::OnUnpackExtension(
-    const base::FilePath& extension_path,
-    const std::string& extension_id,
-    int location,
-    int creation_flags) {
-  CHECK_GT(location, extensions::Manifest::INVALID_LOCATION);
-  CHECK_LT(location, extensions::Manifest::NUM_LOCATIONS);
-  extensions::ExtensionsClient::Set(
-      extensions::ChromeExtensionsClient::GetInstance());
-  extensions::Unpacker unpacker(
-      extension_path,
-      extension_id,
-      static_cast<extensions::Manifest::Location>(location),
-      creation_flags);
-  if (unpacker.Run() && unpacker.DumpImagesToFile() &&
-      unpacker.DumpMessageCatalogsToFile()) {
-    Send(new ChromeUtilityHostMsg_UnpackExtension_Succeeded(
-        *unpacker.parsed_manifest()));
+// static
+void ChromeContentUtilityClient::DecodeImage(
+    const std::vector<unsigned char>& encoded_data) {
+  const SkBitmap& decoded_image = content::DecodeImage(&encoded_data[0],
+                                                       gfx::Size(),
+                                                       encoded_data.size());
+  if (decoded_image.empty()) {
+    Send(new ChromeUtilityHostMsg_DecodeImage_Failed());
   } else {
-    Send(new ChromeUtilityHostMsg_UnpackExtension_Failed(
-        unpacker.error_message()));
+    Send(new ChromeUtilityHostMsg_DecodeImage_Succeeded(decoded_image));
   }
-
   ReleaseProcessIfNeeded();
 }
 
 void ChromeContentUtilityClient::OnUnpackWebResource(
     const std::string& resource_data) {
   // Parse json data.
   // TODO(mrc): Add the possibility of a template that controls parsing, and
   // the ability to download and verify images.
   WebResourceUnpacker unpacker(resource_data);
   if (unpacker.Run()) {
     Send(new ChromeUtilityHostMsg_UnpackWebResource_Succeeded(
         *unpacker.parsed_json()));
   } else {
     Send(new ChromeUtilityHostMsg_UnpackWebResource_Failed(
         unpacker.error_message()));
   }
 
   ReleaseProcessIfNeeded();
 }
 
-void ChromeContentUtilityClient::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 ChromeContentUtilityClient::OnDecodeImage(
     const std::vector<unsigned char>& encoded_data) {
-  const SkBitmap& decoded_image = content::DecodeImage(&encoded_data[0],
-                                                       gfx::Size(),
-                                                       encoded_data.size());
-  if (decoded_image.empty()) {
-    Send(new ChromeUtilityHostMsg_DecodeImage_Failed());
-  } else {
-    Send(new ChromeUtilityHostMsg_DecodeImage_Succeeded(decoded_image));
-  }
-  ReleaseProcessIfNeeded();
-}
-
-void ChromeContentUtilityClient::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]);
-  }
-
-  OnDecodeImage(decoded_vector);
+  DecodeImage(encoded_data);
 }
 
 #if defined(OS_CHROMEOS)
 void ChromeContentUtilityClient::OnCreateZipFile(
     const base::FilePath& src_dir,
     const std::vector<base::FilePath>& src_relative_paths,
     const base::FileDescriptor& dest_fd) {
   bool succeeded = true;
 
   // Check sanity of source relative paths. Reject if path is absolute or
@@ skipping 28 matching lines @@
       Send(new ChromeUtilityHostMsg_DecodeImage_Failed());
     } else {
       Send(new ChromeUtilityHostMsg_DecodeImage_Succeeded(*decoded_image));
     }
   } else {
     Send(new ChromeUtilityHostMsg_DecodeImage_Failed());
   }
   ReleaseProcessIfNeeded();
 }
 
-void ChromeContentUtilityClient::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 ChromeContentUtilityClient::OnPatchFileBsdiff(
     const base::FilePath& input_file,
     const base::FilePath& patch_file,
     const base::FilePath& output_file) {
   if (input_file.empty() || patch_file.empty() || output_file.empty()) {
     Send(new ChromeUtilityHostMsg_PatchFile_Failed(-1));
   } else {
     const int patch_status = courgette::ApplyBinaryPatch(input_file,
                                                          patch_file,
                                                          output_file);
@@ skipping 32 matching lines @@
 void ChromeContentUtilityClient::OnAnalyzeZipFileForDownloadProtection(
     const IPC::PlatformFileForTransit& zip_file) {
   safe_browsing::zip_analyzer::Results results;
   safe_browsing::zip_analyzer::AnalyzeZipFile(
       IPC::PlatformFileForTransitToFile(zip_file), &results);
   Send(new ChromeUtilityHostMsg_AnalyzeZipFileForDownloadProtection_Finished(
       results));
   ReleaseProcessIfNeeded();
 }
 
-#if !defined(OS_ANDROID) && !defined(OS_IOS)
-void ChromeContentUtilityClient::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(ENABLE_EXTENSIONS)
+// TODO(thestig): Try to move this to
+// chrome/utility/extensions/extensions_handler.cc.
 void ChromeContentUtilityClient::OnParseMediaMetadata(
     const std::string& mime_type, int64 total_size, bool get_attached_images) {
   // Only one IPCDataSource may be created and added to the list of handlers.
   metadata::IPCDataSource* source = new metadata::IPCDataSource(total_size);
   handlers_.push_back(source);
 
   metadata::MediaMetadataParser* parser = new metadata::MediaMetadataParser(
       source, mime_type, get_attached_images);
   parser->Start(base::Bind(&FinishParseMediaMetadata, base::Owned(parser)));
 }
-#endif  // !defined(OS_ANDROID) && !defined(OS_IOS)
-
-#if defined(OS_WIN)
-void ChromeContentUtilityClient::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 ChromeContentUtilityClient::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 ChromeContentUtilityClient::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 ChromeContentUtilityClient::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 ChromeContentUtilityClient::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 ChromeContentUtilityClient::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)
+#endif