chrome/browser/extensions/extension_util.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 CHROME_BROWSER_EXTENSIONS_EXTENSION_UTIL_H_
   6 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_UTIL_H_
   7
   8 #include <string>
   9
  10 #include "base/memory/scoped_ptr.h"
  11 #include "url/gurl.h"
  12
  13 namespace base {
  14 class DictionaryValue;
  15 }
  16
  17 namespace content {
  18 class BrowserContext;
  19 }
  20
  21 namespace gfx {
  22 class ImageSkia;
  23 }
  24
  25 class Profile;
  26
  27 namespace extensions {
  28
  29 class Extension;
  30 struct ExtensionInfo;
  31 class PermissionSet;
  32
  33 namespace util {
  34
  35 // Returns true if |extension_id| can run in an incognito window.
  36 bool IsIncognitoEnabled(const std::string& extension_id,
  37                         content::BrowserContext* context);
  38
  39 // Sets whether |extension_id| can run in an incognito window. Reloads the
  40 // extension if it's enabled since this permission is applied at loading time
  41 // only. Note that an ExtensionService must exist.
  42 void SetIsIncognitoEnabled(const std::string& extension_id,
  43                            content::BrowserContext* context,
  44                            bool enabled);
  45
  46 // Returns true if |extension| can see events and data from another sub-profile
  47 // (incognito to original profile, or vice versa).
  48 bool CanCrossIncognito(const extensions::Extension* extension,
  49                        content::BrowserContext* context);
  50
  51 // Returns true if |extension| can be loaded in incognito.
  52 bool CanLoadInIncognito(const extensions::Extension* extension,
  53                         content::BrowserContext* context);
  54
  55 // Returns true if this extension can inject scripts into pages with file URLs.
  56 bool AllowFileAccess(const std::string& extension_id,
  57                      content::BrowserContext* context);
  58
  59 // Sets whether |extension_id| can inject scripts into pages with file URLs.
  60 // Reloads the extension if it's enabled since this permission is applied at
  61 // loading time only. Note than an ExtensionService must exist.
  62 void SetAllowFileAccess(const std::string& extension_id,
  63                         content::BrowserContext* context,
  64                         bool allow);
  65
  66 // Returns true if the extension with |extension_id| is allowed to execute
  67 // scripts on all urls (exempting chrome:// urls, etc) without explicit
  68 // user consent.
  69 // This should only be used with FeatureSwitch::scripts_require_action()
  70 // enabled.
  71 bool AllowedScriptingOnAllUrls(const std::string& extension_id,
  72                                content::BrowserContext* context);
  73
  74 // Returns the default value for being allowed to script on all urls.
  75 bool DefaultAllowedScriptingOnAllUrls();
  76
  77 // Sets whether the extension with |extension_id| is allowed to execute scripts
  78 // on all urls (exempting chrome:// urls, etc) without explicit user consent.
  79 // This should only be used with FeatureSwitch::scripts_require_action()
  80 // enabled.
  81 void SetAllowedScriptingOnAllUrls(const std::string& extension_id,
  82                                   content::BrowserContext* context,
  83                                   bool allowed);
  84
  85 // Returns true if the user has set an explicit preference for the specified
  86 // extension being allowed to script on all urls; this is set to be true
  87 // whenever SetAllowedScriptingOnAllUrls() is called.
  88 bool HasSetAllowedScriptingOnAllUrls(const std::string& extension_id,
  89                                      content::BrowserContext* context);
  90
  91 // Returns true if |extension_id| can be launched (possibly only after being
  92 // enabled).
  93 bool IsAppLaunchable(const std::string& extension_id,
  94                      content::BrowserContext* context);
  95
  96 // Returns true if |extension_id| can be launched without being enabled first.
  97 bool IsAppLaunchableWithoutEnabling(const std::string& extension_id,
  98                                     content::BrowserContext* context);
  99
 100 // Returns true if |extension| should be synced.
 101 bool ShouldSyncExtension(const Extension* extension,
 102                          content::BrowserContext* context);
 103
 104 // Returns true if |app| should be synced.
 105 bool ShouldSyncApp(const Extension* app, content::BrowserContext* context);
 106
 107 // Returns true if |extension_id| is idle and it is safe to perform actions such
 108 // as updating.
 109 bool IsExtensionIdle(const std::string& extension_id,
 110                      content::BrowserContext* context);
 111
 112 // Returns the site of the |extension_id|, given the associated |context|.
 113 // Suitable for use with BrowserContext::GetStoragePartitionForSite().
 114 GURL GetSiteForExtensionId(const std::string& extension_id,
 115                            content::BrowserContext* context);
 116
 117 // Sets the name, id, and icon resource path of the given extension into the
 118 // returned dictionary.
 119 scoped_ptr<base::DictionaryValue> GetExtensionInfo(const Extension* extension);
 120
 121 // Returns true if the extension has isolated storage.
 122 bool HasIsolatedStorage(const ExtensionInfo& info);
 123
 124 // Returns true if the site URL corresponds to an extension or app and has
 125 // isolated storage.
 126 bool SiteHasIsolatedStorage(const GURL& extension_site_url,
 127                             content::BrowserContext* context);
 128
 129 // Returns the default extension/app icon (for extensions or apps that don't
 130 // have one).
 131 const gfx::ImageSkia& GetDefaultExtensionIcon();
 132 const gfx::ImageSkia& GetDefaultAppIcon();
 133
 134 // Returns true if the bookmark apps feature is enabled.
 135 //
 136 // TODO(benwells): http://crbug.com/441128: Remove this entirely once the
 137 // feature is stable.
 138 bool IsNewBookmarkAppsEnabled();
 139
 140 // Returns true for custodian-installed extensions in a supervised profile.
 141 bool IsExtensionSupervised(const Extension* extension, Profile* profile);
 142
 143 }  // namespace util
 144 }  // namespace extensions
 145
 146 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_UTIL_H_