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 ContentVerifier;
  20 class Extension;
  21
  22 // Contains extension data that needs to be accessed on the IO thread. It can
  23 // be created/destroyed on any thread, but all other methods must be called on
  24 // the IO thread.
  25 class InfoMap : public base::RefCountedThreadSafe<InfoMap> {
  26  public:
  27   InfoMap();
  28
  29   const ExtensionSet& extensions() const { return extensions_; }
  30   const ExtensionSet& disabled_extensions() const {
  31     return disabled_extensions_;
  32   }
  33
  34   // Information about which extensions are assigned to which render processes.
  35   const extensions::ProcessMap& process_map() const;
  36   // Information about which extensions are assigned to which worker processes.
  37   const extensions::ProcessMap& worker_process_map() const;
  38
  39   // Callback for when new extensions are loaded.
  40   void AddExtension(const extensions::Extension* extension,
  41                     base::Time install_time,
  42                     bool incognito_enabled,
  43                     bool notifications_disabled);
  44
  45   // Callback for when an extension is unloaded.
  46   void RemoveExtension(const std::string& extension_id,
  47                        const extensions::UnloadedExtensionInfo::Reason reason);
  48
  49   // Returns the time the extension was installed, or base::Time() if not found.
  50   base::Time GetInstallTime(const std::string& extension_id) const;
  51
  52   // Returns true if the user has allowed this extension to run in incognito
  53   // mode.
  54   bool IsIncognitoEnabled(const std::string& extension_id) const;
  55
  56   // Returns true if the given extension can see events and data from another
  57   // sub-profile (incognito to original profile, or vice versa).
  58   bool CanCrossIncognito(const extensions::Extension* extension) const;
  59
  60   // Adds an entry to process_map_.
  61   void RegisterExtensionProcess(const std::string& extension_id,
  62                                 int process_id,
  63                                 int site_instance_id);
  64
  65   // Removes an entry from process_map_.
  66   void UnregisterExtensionProcess(const std::string& extension_id,
  67                                   int process_id,
  68                                   int site_instance_id);
  69   void UnregisterAllExtensionsInProcess(int process_id);
  70
  71   // Adds an entry to worker_process_map_.
  72   void RegisterExtensionWorkerProcess(const std::string& extension_id,
  73                                       int process_id,
  74                                       int site_instance_id);
  75
  76   // Removes an entry from worker_process_map_.
  77   void UnregisterExtensionWorkerProcess(int process_id);
  78
  79   // Returns the subset of extensions which has the same |origin| in
  80   // |process_id| with the specified |permission|.
  81   void GetExtensionsWithAPIPermissionForSecurityOrigin(
  82       const GURL& origin,
  83       int process_id,
  84       extensions::APIPermission::ID permission,
  85       ExtensionSet* extensions) const;
  86
  87   // Returns true if there is exists an extension with the same origin as
  88   // |origin| in |process_id| with |permission|.
  89   bool SecurityOriginHasAPIPermission(const GURL& origin,
  90                                       int process_id,
  91                                       extensions::APIPermission::ID permission)
  92       const;
  93
  94   // Returns the IO thread QuotaService. Creates the instance on first call.
  95   QuotaService* GetQuotaService();
  96
  97   // Keep track of the signin process, so we can restrict extension access to
  98   // it.
  99   void SetSigninProcess(int process_id);
 100   bool IsSigninProcess(int process_id) const;
 101
 102   // Notifications can be enabled/disabled in real time by the user.
 103   void SetNotificationsDisabled(const std::string& extension_id,
 104                                 bool notifications_disabled);
 105   bool AreNotificationsDisabled(const std::string& extension_id) const;
 106
 107   void SetContentVerifier(ContentVerifier* verifier);
 108   ContentVerifier* content_verifier() { return content_verifier_; }
 109
 110  private:
 111   friend class base::RefCountedThreadSafe<InfoMap>;
 112
 113   // Extra dynamic data related to an extension.
 114   struct ExtraData;
 115   // Map of extension_id to ExtraData.
 116   typedef std::map<std::string, ExtraData> ExtraDataMap;
 117
 118   ~InfoMap();
 119
 120   ExtensionSet extensions_;
 121   ExtensionSet disabled_extensions_;
 122
 123   // Extra data associated with enabled extensions.
 124   ExtraDataMap extra_data_;
 125
 126   // Used by dispatchers to limit API quota for individual extensions.
 127   // The QuotaService is not thread safe. We need to create and destroy it on
 128   // the IO thread.
 129   scoped_ptr<QuotaService> quota_service_;
 130
 131   // Assignment of extensions to renderer processes.
 132   extensions::ProcessMap process_map_;
 133
 134   // Assignment of extensions to worker processes.
 135   extensions::ProcessMap worker_process_map_;
 136
 137   int signin_process_id_;
 138
 139   scoped_refptr<ContentVerifier> content_verifier_;
 140 };
 141
 142 }  // namespace extensions
 143
 144 #endif  // EXTENSIONS_BROWSER_INFO_MAP_H_