extensions/browser/info_map.h

   1 // Copyright 2013 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 EXTENSIONS_BROWSER_INFO_MAP_H_
   6 #define EXTENSIONS_BROWSER_INFO_MAP_H_
   7
   8 #include <string>
   9
  10 #include "base/basictypes.h"
  11 #include "base/memory/ref_counted.h"
  12 #include "base/memory/scoped_ptr.h"
  13 #include "base/time/time.h"
  14 #include "extensions/browser/process_map.h"
  15 #include "extensions/browser/quota_service.h"
  16 #include "extensions/common/extension_set.h"
  17
  18 namespace extensions {
  19 class Extension;
  20
  21 // Contains extension data that needs to be accessed on the IO thread. It can
  22 // be created/destroyed on any thread, but all other methods must be called on
  23 // the IO thread.
  24 class InfoMap : public base::RefCountedThreadSafe<InfoMap> {
  25  public:
  26   InfoMap();
  27
  28   const ExtensionSet& extensions() const { return extensions_; }
  29   const ExtensionSet& disabled_extensions() const {
  30     return disabled_extensions_;
  31   }
  32
  33   // Information about which extensions are assigned to which render processes.
  34   const extensions::ProcessMap& process_map() const;
  35   // Information about which extensions are assigned to which worker processes.
  36   const extensions::ProcessMap& worker_process_map() const;
  37
  38   // Callback for when new extensions are loaded.
  39   void AddExtension(const extensions::Extension* extension,
  40                     base::Time install_time,
  41                     bool incognito_enabled,
  42                     bool notifications_disabled);
  43
  44   // Callback for when an extension is unloaded.
  45   void RemoveExtension(const std::string& extension_id,
  46                        const extensions::UnloadedExtensionInfo::Reason reason);
  47
  48   // Returns the time the extension was installed, or base::Time() if not found.
  49   base::Time GetInstallTime(const std::string& extension_id) const;
  50
  51   // Returns true if the user has allowed this extension to run in incognito
  52   // mode.
  53   bool IsIncognitoEnabled(const std::string& extension_id) const;
  54
  55   // Returns true if the given extension can see events and data from another
  56   // sub-profile (incognito to original profile, or vice versa).
  57   bool CanCrossIncognito(const extensions::Extension* extension) const;
  58
  59   // Adds an entry to process_map_.
  60   void RegisterExtensionProcess(const std::string& extension_id,
  61                                 int process_id,
  62                                 int site_instance_id);
  63
  64   // Removes an entry from process_map_.
  65   void UnregisterExtensionProcess(const std::string& extension_id,
  66                                   int process_id,
  67                                   int site_instance_id);
  68   void UnregisterAllExtensionsInProcess(int process_id);
  69
  70   // Adds an entry to worker_process_map_.
  71   void RegisterExtensionWorkerProcess(const std::string& extension_id,
  72                                       int process_id,
  73                                       int site_instance_id);
  74
  75   // Removes an entry from worker_process_map_.
  76   void UnregisterExtensionWorkerProcess(int process_id);
  77
  78   // Returns the subset of extensions which has the same |origin| in
  79   // |process_id| with the specified |permission|.
  80   void GetExtensionsWithAPIPermissionForSecurityOrigin(
  81       const GURL& origin,
  82       int process_id,
  83       extensions::APIPermission::ID permission,
  84       ExtensionSet* extensions) const;
  85
  86   // Returns true if there is exists an extension with the same origin as
  87   // |origin| in |process_id| with |permission|.
  88   bool SecurityOriginHasAPIPermission(const GURL& origin,
  89                                       int process_id,
  90                                       extensions::APIPermission::ID permission)
  91       const;
  92
  93   // Returns the IO thread QuotaService. Creates the instance on first call.
  94   QuotaService* GetQuotaService();
  95
  96   // Keep track of the signin process, so we can restrict extension access to
  97   // it.
  98   void SetSigninProcess(int process_id);
  99   bool IsSigninProcess(int process_id) const;
 100
 101   // Notifications can be enabled/disabled in real time by the user.
 102   void SetNotificationsDisabled(const std::string& extension_id,
 103                                 bool notifications_disabled);
 104   bool AreNotificationsDisabled(const std::string& extension_id) const;
 105
 106  private:
 107   friend class base::RefCountedThreadSafe<InfoMap>;
 108
 109   // Extra dynamic data related to an extension.
 110   struct ExtraData;
 111   // Map of extension_id to ExtraData.
 112   typedef std::map<std::string, ExtraData> ExtraDataMap;
 113
 114   ~InfoMap();
 115
 116   ExtensionSet extensions_;
 117   ExtensionSet disabled_extensions_;
 118
 119   // Extra data associated with enabled extensions.
 120   ExtraDataMap extra_data_;
 121
 122   // Used by dispatchers to limit API quota for individual extensions.
 123   // The QuotaService is not thread safe. We need to create and destroy it on
 124   // the IO thread.
 125   scoped_ptr<QuotaService> quota_service_;
 126
 127   // Assignment of extensions to renderer processes.
 128   extensions::ProcessMap process_map_;
 129
 130   // Assignment of extensions to worker processes.
 131   extensions::ProcessMap worker_process_map_;
 132
 133   int signin_process_id_;
 134 };
 135
 136 }  // namespace extensions
 137
 138 #endif  // EXTENSIONS_BROWSER_INFO_MAP_H_