Commit message: None
CVE: None
Vulnerability description: None

Project: Chrome

void SandboxedExtensionUnpacker::OnProcessCrashed() {
  if (got_response_)
    return;

  ReportFailure("Utility process crashed while trying to install.");
}

Project: Chrome

void SandboxedExtensionUnpacker::OnUnpackExtensionFailed(
    const std::string& error) {
  DCHECK(BrowserThread::CurrentlyOn(thread_identifier_));
  got_response_ = true;
  ReportFailure(error);
}

Project: Chrome

void SandboxedExtensionUnpacker::OnUnpackExtensionSucceeded(
    const DictionaryValue& manifest) {
  if (thread_identifier_ != BrowserThread::ID_COUNT)
    DCHECK(BrowserThread::CurrentlyOn(thread_identifier_));
  got_response_ = true;

  scoped_ptr<DictionaryValue> final_manifest(RewriteManifestFile(manifest));
  if (!final_manifest.get())
    return;


  std::string error;
  if (!extension_l10n_util::LocalizeExtension(extension_root_,
                                              final_manifest.get(),
                                              &error)) {
    ReportFailure(error);
    return;
  }

  extension_ = Extension::Create(
      extension_root_, Extension::INTERNAL, *final_manifest, true, &error);

  if (!extension_.get()) {
    ReportFailure(std::string("Manifest is invalid: ") + error);
    return;
  }

  if (!RewriteImageFiles())
    return;

  if (!RewriteCatalogFiles())
    return;

  ReportSuccess();
}

Project: Chrome

void SandboxedExtensionUnpacker::ReportFailure(const std::string& error) {
  client_->OnUnpackFailure(error);
}

Project: Chrome

void SandboxedExtensionUnpacker::ReportSuccess() {
  client_->OnUnpackSuccess(temp_dir_.Take(), extension_root_, extension_);
  extension_ = NULL;
}

Project: Chrome

bool SandboxedExtensionUnpacker::RewriteCatalogFiles() {
  DictionaryValue catalogs;
  if (!ExtensionUnpacker::ReadMessageCatalogsFromFile(temp_dir_.path(),
                                                      &catalogs)) {
    ReportFailure("Could not read catalog data from disk.");
    return false;
  }

  for (DictionaryValue::key_iterator key_it = catalogs.begin_keys();
       key_it != catalogs.end_keys(); ++key_it) {
    DictionaryValue* catalog;
    if (!catalogs.GetDictionaryWithoutPathExpansion(*key_it, &catalog)) {
      ReportFailure("Invalid catalog data.");
      return false;
    }

    FilePath relative_path = FilePath::FromWStringHack(UTF8ToWide(*key_it));
    relative_path = relative_path.Append(Extension::kMessagesFilename);
    if (relative_path.IsAbsolute() || relative_path.ReferencesParent()) {
      ReportFailure("Invalid path for catalog.");
      return false;
    }
    FilePath path = extension_root_.Append(relative_path);

    std::string catalog_json;
    JSONStringValueSerializer serializer(&catalog_json);
    serializer.set_pretty_print(true);
    if (!serializer.Serialize(*catalog)) {
      ReportFailure("Error serializing catalog.");
      return false;
    }

    if (!file_util::WriteFile(path,
                              catalog_json.c_str(),
                              catalog_json.size())) {
      ReportFailure("Error saving catalog.");
      return false;
    }
  }

  return true;
}

Project: Chrome

bool SandboxedExtensionUnpacker::RewriteImageFiles() {
  ExtensionUnpacker::DecodedImages images;
  if (!ExtensionUnpacker::ReadImagesFromFile(temp_dir_.path(), &images)) {
    ReportFailure("Couldn't read image data from disk.");
    return false;
  }

  std::set<FilePath> image_paths = extension_->GetBrowserImages();
  if (image_paths.size() != images.size()) {
    ReportFailure("Decoded images don't match what's in the manifest.");
    return false;
  }

  for (std::set<FilePath>::iterator it = image_paths.begin();
       it != image_paths.end(); ++it) {
    FilePath path = *it;
    if (path.IsAbsolute() || path.ReferencesParent()) {
      ReportFailure("Invalid path for browser image.");
      return false;
    }
    if (!file_util::Delete(extension_root_.Append(path), false)) {
      ReportFailure("Error removing old image file.");
      return false;
    }
  }

  for (size_t i = 0; i < images.size(); ++i) {
    const SkBitmap& image = images[i].a;
    FilePath path_suffix = images[i].b;
    if (path_suffix.IsAbsolute() || path_suffix.ReferencesParent()) {
      ReportFailure("Invalid path for bitmap image.");
      return false;
    }
    FilePath path = extension_root_.Append(path_suffix);

    std::vector<unsigned char> image_data;
    if (!gfx::PNGCodec::EncodeBGRASkBitmap(image, false, &image_data)) {
      ReportFailure("Error re-encoding theme image.");
      return false;
    }

    const char* image_data_ptr = reinterpret_cast<const char*>(&image_data[0]);
    if (!file_util::WriteFile(path, image_data_ptr, image_data.size())) {
      ReportFailure("Error saving theme image.");
      return false;
    }
  }

  return true;
}

Project: Chrome

DictionaryValue* SandboxedExtensionUnpacker::RewriteManifestFile(
    const DictionaryValue& manifest) {
  scoped_ptr<DictionaryValue> final_manifest(
      static_cast<DictionaryValue*>(manifest.DeepCopy()));
  final_manifest->SetString(extension_manifest_keys::kPublicKey, public_key_);

  std::string manifest_json;
  JSONStringValueSerializer serializer(&manifest_json);
  serializer.set_pretty_print(true);
  if (!serializer.Serialize(*final_manifest)) {
    ReportFailure("Error serializing manifest.json.");
    return NULL;
  }

  FilePath manifest_path =
      extension_root_.Append(Extension::kManifestFilename);
  if (!file_util::WriteFile(manifest_path,
                            manifest_json.data(), manifest_json.size())) {
    ReportFailure("Error saving manifest.json.");
    return NULL;
  }

  return final_manifest.release();
}

Project: Chrome

SandboxedExtensionUnpacker::SandboxedExtensionUnpacker(
    const FilePath& crx_path,
    const FilePath& temp_path,
    ResourceDispatcherHost* rdh,
    SandboxedExtensionUnpackerClient* client)
    : crx_path_(crx_path), temp_path_(temp_path),
      thread_identifier_(BrowserThread::ID_COUNT),
      rdh_(rdh), client_(client), got_response_(false) {
}

Project: Chrome

void SandboxedExtensionUnpacker::StartProcessOnIOThread(
    const FilePath& temp_crx_path) {
  UtilityProcessHost* host = new UtilityProcessHost(
      rdh_, this, thread_identifier_);
  host->StartExtensionUnpacker(temp_crx_path);
}