chrome/utility/chrome_content_utility_client.h

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CHROME_UTILITY_CHROME_CONTENT_UTILITY_CLIENT_H_
   6 #define CHROME_UTILITY_CHROME_CONTENT_UTILITY_CLIENT_H_
   7
   8 #include <set>
   9 #include <string>
  10 #include <vector>
  11
  12 #include "base/compiler_specific.h"
  13 #include "base/memory/scoped_vector.h"
  14 #include "content/public/utility/content_utility_client.h"
  15 #include "ipc/ipc_platform_file.h"
  16
  17 namespace base {
  18 class FilePath;
  19 struct FileDescriptor;
  20 }
  21
  22 class UtilityMessageHandler;
  23
  24 class ChromeContentUtilityClient : public content::ContentUtilityClient {
  25  public:
  26   ChromeContentUtilityClient();
  27   ~ChromeContentUtilityClient() override;
  28
  29   void UtilityThreadStarted() override;
  30   bool OnMessageReceived(const IPC::Message& message) override;
  31   void RegisterMojoServices(content::ServiceRegistry* registry) override;
  32
  33   static void PreSandboxStartup();
  34
  35   // Shared with extensions::ExtensionsHandler.
  36   static SkBitmap DecodeImage(const std::vector<unsigned char>& encoded_data,
  37                               bool shrink_to_fit);
  38   static void DecodeImageAndSend(const std::vector<unsigned char>& encoded_data,
  39                                  bool shrink_to_fit);
  40
  41   static void set_max_ipc_message_size_for_test(int64_t max_message_size) {
  42     max_ipc_message_size_ = max_message_size;
  43   }
  44
  45  private:
  46   // IPC message handlers.
  47   void OnUnpackWebResource(const std::string& resource_data);
  48   void OnDecodeImage(const std::vector<unsigned char>& encoded_data,
  49                      bool shrink_to_fit);
  50   void OnRobustJPEGDecodeImage(
  51       const std::vector<unsigned char>& encoded_data);
  52
  53 #if defined(OS_CHROMEOS)
  54   void OnCreateZipFile(const base::FilePath& src_dir,
  55                        const std::vector<base::FilePath>& src_relative_paths,
  56                        const base::FileDescriptor& dest_fd);
  57 #endif  // defined(OS_CHROMEOS)
  58
  59 #if defined(OS_ANDROID) && defined(USE_SECCOMP_BPF)
  60   void OnDetectSeccompSupport();
  61 #endif
  62
  63   void OnParseJSON(const std::string& json);
  64   void OnPatchFileBsdiff(const base::FilePath& input_file,
  65                          const base::FilePath& patch_file,
  66                          const base::FilePath& output_file);
  67   void OnPatchFileCourgette(const base::FilePath& input_file,
  68                             const base::FilePath& patch_file,
  69                             const base::FilePath& output_file);
  70   void OnStartupPing();
  71 #if defined(FULL_SAFE_BROWSING)
  72   void OnAnalyzeZipFileForDownloadProtection(
  73       const IPC::PlatformFileForTransit& zip_file,
  74       const IPC::PlatformFileForTransit& temp_file);
  75 #endif
  76 #if defined(ENABLE_EXTENSIONS)
  77   void OnParseMediaMetadata(const std::string& mime_type,
  78                             int64 total_size,
  79                             bool get_attached_images);
  80 #endif
  81
  82   typedef ScopedVector<UtilityMessageHandler> Handlers;
  83   Handlers handlers_;
  84
  85   // Flag to enable whitelisting.
  86   bool filter_messages_;
  87   // A list of message_ids to filter.
  88   std::set<int> message_id_whitelist_;
  89   // Maximum IPC msg size (default to kMaximumMessageSize; override for testing)
  90   static int64_t max_ipc_message_size_;
  91
  92   DISALLOW_COPY_AND_ASSIGN(ChromeContentUtilityClient);
  93 };
  94
  95 #endif  // CHROME_UTILITY_CHROME_CONTENT_UTILITY_CLIENT_H_