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chromium / chromium / src / 98e96a7390e63333cd5e1a5128ef17e489cbfbb4 / . / extensions / browser / extension_prefs.cc
blob: 3335600a72577e179ebdb3d2612ce990509bd542 [file] [log] [blame]
// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "extensions/browser/extension_prefs.h"
#include <stddef.h>
#include <stdint.h>
#include <iterator>
#include <utility>
#include "base/debug/crash_logging.h"
#include "base/debug/dump_without_crashing.h"
#include "base/macros.h"
#include "base/memory/ptr_util.h"
#include "base/metrics/histogram_macros.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/string_util.h"
#include "base/trace_event/trace_event.h"
#include "build/build_config.h"
#include "components/crx_file/id_util.h"
#include "components/pref_registry/pref_registry_syncable.h"
#include "components/prefs/pref_service.h"
#include "extensions/browser/app_sorting.h"
#include "extensions/browser/event_router.h"
#include "extensions/browser/extension_pref_store.h"
#include "extensions/browser/extension_prefs_factory.h"
#include "extensions/browser/extension_prefs_observer.h"
#include "extensions/browser/extension_system.h"
#include "extensions/browser/install_flag.h"
#include "extensions/browser/pref_names.h"
#include "extensions/common/manifest.h"
#include "extensions/common/permissions/permission_set.h"
#include "extensions/common/permissions/permissions_info.h"
#include "extensions/common/url_pattern.h"
#include "extensions/common/user_script.h"
namespace extensions {
namespace {
// Additional preferences keys, which are not needed by external clients.
// True if this extension is running. Note this preference stops getting updated
// during Chrome shutdown (and won't be updated on a browser crash) and so can
// be used at startup to determine whether the extension was running when Chrome
// was last terminated.
const char kPrefRunning[] = "running";
// Whether this extension had windows when it was last running.
const char kIsActive[] = "is_active";
// Where an extension was installed from. (see Manifest::Location)
const char kPrefLocation[] = "location";
// Enabled, disabled, killed, etc. (see Extension::State)
const char kPrefState[] = "state";
// The path to the current version's manifest file.
const char kPrefPath[] = "path";
// The dictionary containing the extension's manifest.
const char kPrefManifest[] = "manifest";
// The version number.
const char kPrefVersion[] = "manifest.version";
// Indicates whether an extension is blacklisted.
const char kPrefBlacklist[] = "blacklist";
// If extension is greylisted.
const char kPrefBlacklistState[] = "blacklist_state";
// The count of how many times we prompted the user to acknowledge an
// extension.
const char kPrefAcknowledgePromptCount[] = "ack_prompt_count";
// Indicates whether the user has acknowledged various types of extensions.
const char kPrefExternalAcknowledged[] = "ack_external";
const char kPrefBlacklistAcknowledged[] = "ack_blacklist";
// Indicates whether the external extension was installed during the first
// run of this profile.
const char kPrefExternalInstallFirstRun[] = "external_first_run";
// A bitmask of all the reasons an extension is disabled.
const char kPrefDisableReasons[] = "disable_reasons";
// The key for a serialized Time value indicating the start of the day (from the
// server's perspective) an extension last included a "ping" parameter during
// its update check.
const char kLastPingDay[] = "lastpingday";
// Similar to kLastPingDay, but for "active" instead of "rollcall" pings.
const char kLastActivePingDay[] = "last_active_pingday";
// A bit we use to keep track of whether we need to do an "active" ping.
const char kActiveBit[] = "active_bit";
// Path for settings specific to blacklist update.
const char kExtensionsBlacklistUpdate[] = "extensions.blacklistupdate";
// Path for the delayed install info dictionary preference. The actual string
// value is a legacy artifact for when delayed installs only pertained to
// updates that were waiting for idle.
const char kDelayedInstallInfo[] = "idle_install_info";
// Reason why the extension's install was delayed.
const char kDelayedInstallReason[] = "delay_install_reason";
// Path for the suggested page ordinal of a delayed extension install.
const char kPrefSuggestedPageOrdinal[] = "suggested_page_ordinal";
// A preference that, if true, will allow this extension to run in incognito
// mode.
const char kPrefIncognitoEnabled[] = "incognito";
// A preference to control whether an extension is allowed to inject script in
// pages with file URLs.
const char kPrefAllowFileAccess[] = "newAllowFileAccess";
// TODO(jstritar): As part of fixing http://crbug.com/91577, we revoked all
// extension file access by renaming the pref. We should eventually clean up
// the old flag and possibly go back to that name.
// const char kPrefAllowFileAccessOld[] = "allowFileAccess";
// A preference specifying if the user dragged the app on the NTP.
const char kPrefUserDraggedApp[] = "user_dragged_app_ntp";
// Preferences that hold which permissions the user has granted the extension.
// We explicitly keep track of these so that extensions can contain unknown
// permissions, for backwards compatibility reasons, and we can still prompt
// the user to accept them once recognized. We store the active permission
// permissions because they may differ from those defined in the manifest.
const char kPrefActivePermissions[] = "active_permissions";
const char kPrefGrantedPermissions[] = "granted_permissions";
// The preference names for PermissionSet values.
const char kPrefAPIs[] = "api";
const char kPrefManifestPermissions[] = "manifest_permissions";
const char kPrefExplicitHosts[] = "explicit_host";
const char kPrefScriptableHosts[] = "scriptable_host";
// A preference that indicates when an extension was installed.
const char kPrefInstallTime[] = "install_time";
// A preference which saves the creation flags for extensions.
const char kPrefCreationFlags[] = "creation_flags";
// A preference that indicates whether the extension was installed from the
// Chrome Web Store.
const char kPrefFromWebStore[] = "from_webstore";
// A preference that indicates whether the extension was installed from a
// mock App created from a bookmark.
const char kPrefFromBookmark[] = "from_bookmark";
// A preference that indicates whether the extension was installed as a
// default app.
const char kPrefWasInstalledByDefault[] = "was_installed_by_default";
// A preference that indicates whether the extension was installed as an
// OEM app.
const char kPrefWasInstalledByOem[] = "was_installed_by_oem";
// Key for Geometry Cache preference.
const char kPrefGeometryCache[] = "geometry_cache";
// A preference that indicates when an extension is last launched.
const char kPrefLastLaunchTime[] = "last_launch_time";
// Am installation parameter bundled with an extension.
const char kPrefInstallParam[] = "install_parameter";
// A list of installed ids and a signature.
const char kInstallSignature[] = "extensions.install_signature";
// A boolean preference that indicates whether the extension should not be
// synced. Default value is false.
const char kPrefDoNotSync[] = "do_not_sync";
const char kCorruptedDisableCount[] = "extensions.corrupted_disable_count";
// A boolean preference that indicates whether the extension has local changes
// that need to be synced. Default value is false.
const char kPrefNeedsSync[] = "needs_sync";
// Provider of write access to a dictionary storing extension prefs.
class ScopedExtensionPrefUpdate : public DictionaryPrefUpdate {
public:
ScopedExtensionPrefUpdate(PrefService* service,
const std::string& extension_id) :
DictionaryPrefUpdate(service, pref_names::kExtensions),
extension_id_(extension_id) {}
~ScopedExtensionPrefUpdate() override {}
// DictionaryPrefUpdate overrides:
base::DictionaryValue* Get() override {
base::DictionaryValue* dict = DictionaryPrefUpdate::Get();
base::DictionaryValue* extension = NULL;
if (!dict->GetDictionary(extension_id_, &extension)) {
// Extension pref does not exist, create it.
extension = new base::DictionaryValue();
dict->SetWithoutPathExpansion(extension_id_, extension);
}
return extension;
}
private:
const std::string extension_id_;
DISALLOW_COPY_AND_ASSIGN(ScopedExtensionPrefUpdate);
};
std::string JoinPrefs(const std::string& parent, const char* child) {
return parent + "." + child;
}
// Checks if kPrefBlacklist is set to true in the base::DictionaryValue.
// Return false if the value is false or kPrefBlacklist does not exist.
// This is used to decide if an extension is blacklisted.
bool IsBlacklistBitSet(const base::DictionaryValue* ext) {
bool bool_value;
return ext->GetBoolean(kPrefBlacklist, &bool_value) && bool_value;
}
void LoadExtensionControlledPrefs(ExtensionPrefs* prefs,
ExtensionPrefValueMap* value_map,
const std::string& extension_id,
ExtensionPrefsScope scope) {
std::string scope_string;
if (!pref_names::ScopeToPrefName(scope, &scope_string))
return;
std::string key = extension_id + "." + scope_string;
const base::DictionaryValue* source_dict =
prefs->pref_service()->GetDictionary(pref_names::kExtensions);
const base::DictionaryValue* preferences = NULL;
if (!source_dict->GetDictionary(key, &preferences))
return;
for (base::DictionaryValue::Iterator iter(*preferences); !iter.IsAtEnd();
iter.Advance()) {
value_map->SetExtensionPref(
extension_id, iter.key(), scope, iter.value().DeepCopy());
}
}
} // namespace
//
// TimeProvider
//
ExtensionPrefs::TimeProvider::TimeProvider() {
}
ExtensionPrefs::TimeProvider::~TimeProvider() {
}
base::Time ExtensionPrefs::TimeProvider::GetCurrentTime() const {
return base::Time::Now();
}
//
// ScopedUpdate
//
template <typename T, base::Value::Type type_enum_value>
ExtensionPrefs::ScopedUpdate<T, type_enum_value>::ScopedUpdate(
ExtensionPrefs* prefs,
const std::string& extension_id,
const std::string& key)
: update_(prefs->pref_service(), pref_names::kExtensions),
extension_id_(extension_id),
key_(key) {
DCHECK(crx_file::id_util::IdIsValid(extension_id_));
}
template <typename T, base::Value::Type type_enum_value>
ExtensionPrefs::ScopedUpdate<T, type_enum_value>::~ScopedUpdate() {
}
template <typename T, base::Value::Type type_enum_value>
T* ExtensionPrefs::ScopedUpdate<T, type_enum_value>::Get() {
base::DictionaryValue* dict = update_.Get();
base::DictionaryValue* extension = NULL;
base::Value* key_value = NULL;
if (!dict->GetDictionary(extension_id_, &extension) ||
!extension->Get(key_, &key_value)) {
return NULL;
}
return key_value->GetType() == type_enum_value ?
static_cast<T*>(key_value) :
NULL;
}
template <typename T, base::Value::Type type_enum_value>
T* ExtensionPrefs::ScopedUpdate<T, type_enum_value>::Create() {
base::DictionaryValue* dict = update_.Get();
base::DictionaryValue* extension = NULL;
base::Value* key_value = NULL;
T* value_as_t = NULL;
if (!dict->GetDictionary(extension_id_, &extension)) {
extension = new base::DictionaryValue;
dict->SetWithoutPathExpansion(extension_id_, extension);
}
if (!extension->Get(key_, &key_value)) {
value_as_t = new T;
extension->SetWithoutPathExpansion(key_, value_as_t);
} else {
// It would be nice to CHECK that this doesn't happen, but since prefs can
// get into a mangled state, we can't really do that. Instead, handle it
// gracefully (by overwriting whatever was previously there).
// TODO(devlin): It's unclear if there's anything we'll ever be able to do
// here (corrupted prefs are sometimes a fact of life), but the debug info
// might be useful. Remove the dumps after we analyze them.
if (key_value->GetType() != type_enum_value) {
NOTREACHED();
base::debug::SetCrashKeyValue(
"existing_extension_pref_value_type",
base::IntToString(static_cast<int>(key_value->GetType())));
base::debug::DumpWithoutCrashing();
value_as_t = new T();
extension->SetWithoutPathExpansion(key_, value_as_t);
} else {
value_as_t = static_cast<T*>(key_value);
}
}
return value_as_t;
}
// Explicit instantiations for Dictionary and List value types.
template class ExtensionPrefs::ScopedUpdate<base::DictionaryValue,
base::Value::TYPE_DICTIONARY>;
template class ExtensionPrefs::ScopedUpdate<base::ListValue,
base::Value::TYPE_LIST>;
//
// ExtensionPrefs
//
// static
ExtensionPrefs* ExtensionPrefs::Create(
content::BrowserContext* browser_context,
PrefService* prefs,
const base::FilePath& root_dir,
ExtensionPrefValueMap* extension_pref_value_map,
bool extensions_disabled,
const std::vector<ExtensionPrefsObserver*>& early_observers) {
return ExtensionPrefs::Create(browser_context, prefs, root_dir,
extension_pref_value_map, extensions_disabled,
early_observers,
base::WrapUnique(new TimeProvider()));
}
// static
ExtensionPrefs* ExtensionPrefs::Create(
content::BrowserContext* browser_context,
PrefService* pref_service,
const base::FilePath& root_dir,
ExtensionPrefValueMap* extension_pref_value_map,
bool extensions_disabled,
const std::vector<ExtensionPrefsObserver*>& early_observers,
std::unique_ptr<TimeProvider> time_provider) {
return new ExtensionPrefs(browser_context, pref_service, root_dir,
extension_pref_value_map, std::move(time_provider),
extensions_disabled, early_observers);
}
ExtensionPrefs::~ExtensionPrefs() {
}
// static
ExtensionPrefs* ExtensionPrefs::Get(content::BrowserContext* context) {
return ExtensionPrefsFactory::GetInstance()->GetForBrowserContext(context);
}
static base::FilePath::StringType MakePathRelative(const base::FilePath& parent,
const base::FilePath& child) {
if (!parent.IsParent(child))
return child.value();
base::FilePath::StringType retval = child.value().substr(
parent.value().length());
if (base::FilePath::IsSeparator(retval[0]))
return retval.substr(1);
else
return retval;
}
void ExtensionPrefs::MakePathsRelative() {
const base::DictionaryValue* dict =
prefs_->GetDictionary(pref_names::kExtensions);
if (!dict || dict->empty())
return;
// Collect all extensions ids with absolute paths in |absolute_keys|.
std::set<std::string> absolute_keys;
for (base::DictionaryValue::Iterator i(*dict); !i.IsAtEnd(); i.Advance()) {
const base::DictionaryValue* extension_dict = NULL;
if (!i.value().GetAsDictionary(&extension_dict))
continue;
int location_value;
if (extension_dict->GetInteger(kPrefLocation, &location_value) &&
Manifest::IsUnpackedLocation(
static_cast<Manifest::Location>(location_value))) {
// Unpacked extensions can have absolute paths.
continue;
}
base::FilePath::StringType path_string;
if (!extension_dict->GetString(kPrefPath, &path_string))
continue;
base::FilePath path(path_string);
if (path.IsAbsolute())
absolute_keys.insert(i.key());
}
if (absolute_keys.empty())
return;
// Fix these paths.
DictionaryPrefUpdate update(prefs_, pref_names::kExtensions);
base::DictionaryValue* update_dict = update.Get();
for (std::set<std::string>::iterator i = absolute_keys.begin();
i != absolute_keys.end(); ++i) {
base::DictionaryValue* extension_dict = NULL;
if (!update_dict->GetDictionaryWithoutPathExpansion(*i, &extension_dict)) {
NOTREACHED() << "Control should never reach here for extension " << *i;
continue;
}
base::FilePath::StringType path_string;
extension_dict->GetString(kPrefPath, &path_string);
base::FilePath path(path_string);
extension_dict->SetString(kPrefPath,
MakePathRelative(install_directory_, path));
}
}
const base::DictionaryValue* ExtensionPrefs::GetExtensionPref(
const std::string& extension_id) const {
const base::DictionaryValue* extensions =
prefs_->GetDictionary(pref_names::kExtensions);
const base::DictionaryValue* extension_dict = NULL;
if (!extensions ||
!extensions->GetDictionary(extension_id, &extension_dict)) {
return NULL;
}
return extension_dict;
}
void ExtensionPrefs::UpdateExtensionPref(const std::string& extension_id,
const std::string& key,
base::Value* data_value) {
if (!crx_file::id_util::IdIsValid(extension_id)) {
NOTREACHED() << "Invalid extension_id " << extension_id;
return;
}
ScopedExtensionPrefUpdate update(prefs_, extension_id);
if (data_value)
update->Set(key, data_value);
else
update->Remove(key, NULL);
}
void ExtensionPrefs::DeleteExtensionPrefs(const std::string& extension_id) {
extension_pref_value_map_->UnregisterExtension(extension_id);
FOR_EACH_OBSERVER(ExtensionPrefsObserver,
observer_list_,
OnExtensionPrefsDeleted(extension_id));
DictionaryPrefUpdate update(prefs_, pref_names::kExtensions);
base::DictionaryValue* dict = update.Get();
dict->Remove(extension_id, NULL);
}
bool ExtensionPrefs::ReadPrefAsBoolean(const std::string& extension_id,
const std::string& pref_key,
bool* out_value) const {
const base::DictionaryValue* ext = GetExtensionPref(extension_id);
if (!ext || !ext->GetBoolean(pref_key, out_value))
return false;
return true;
}
bool ExtensionPrefs::ReadPrefAsInteger(const std::string& extension_id,
const std::string& pref_key,
int* out_value) const {
const base::DictionaryValue* ext = GetExtensionPref(extension_id);
if (!ext || !ext->GetInteger(pref_key, out_value))
return false;
return true;
}
bool ExtensionPrefs::ReadPrefAsString(const std::string& extension_id,
const std::string& pref_key,
std::string* out_value) const {
const base::DictionaryValue* ext = GetExtensionPref(extension_id);
if (!ext || !ext->GetString(pref_key, out_value))
return false;
return true;
}
bool ExtensionPrefs::ReadPrefAsList(const std::string& extension_id,
const std::string& pref_key,
const base::ListValue** out_value) const {
const base::DictionaryValue* ext = GetExtensionPref(extension_id);
const base::ListValue* out = NULL;
if (!ext || !ext->GetList(pref_key, &out))
return false;
if (out_value)
*out_value = out;
return true;
}
bool ExtensionPrefs::ReadPrefAsDictionary(
const std::string& extension_id,
const std::string& pref_key,
const base::DictionaryValue** out_value) const {
const base::DictionaryValue* ext = GetExtensionPref(extension_id);
const base::DictionaryValue* out = NULL;
if (!ext || !ext->GetDictionary(pref_key, &out))
return false;
if (out_value)
*out_value = out;
return true;
}
bool ExtensionPrefs::HasPrefForExtension(
const std::string& extension_id) const {
return GetExtensionPref(extension_id) != NULL;
}
bool ExtensionPrefs::ReadPrefAsURLPatternSet(const std::string& extension_id,
const std::string& pref_key,
URLPatternSet* result,
int valid_schemes) const {
const base::ListValue* value = NULL;
if (!ReadPrefAsList(extension_id, pref_key, &value))
return false;
const base::DictionaryValue* extension = GetExtensionPref(extension_id);
if (!extension)
return false;
int location;
if (extension->GetInteger(kPrefLocation, &location) &&
static_cast<Manifest::Location>(location) == Manifest::COMPONENT) {
valid_schemes |= URLPattern::SCHEME_CHROMEUI;
}
bool allow_file_access = AllowFileAccess(extension_id);
return result->Populate(*value, valid_schemes, allow_file_access, NULL);
}
void ExtensionPrefs::SetExtensionPrefURLPatternSet(
const std::string& extension_id,
const std::string& pref_key,
const URLPatternSet& new_value) {
UpdateExtensionPref(extension_id, pref_key, new_value.ToValue().release());
}
bool ExtensionPrefs::ReadPrefAsBooleanAndReturn(
const std::string& extension_id,
const std::string& pref_key) const {
bool out_value = false;
return ReadPrefAsBoolean(extension_id, pref_key, &out_value) && out_value;
}
std::unique_ptr<const PermissionSet> ExtensionPrefs::ReadPrefAsPermissionSet(
const std::string& extension_id,
const std::string& pref_key) const {
if (!GetExtensionPref(extension_id))
return nullptr;
// Retrieve the API permissions. Please refer SetExtensionPrefPermissionSet()
// for api_values format.
APIPermissionSet apis;
const base::ListValue* api_values = NULL;
std::string api_pref = JoinPrefs(pref_key, kPrefAPIs);
if (ReadPrefAsList(extension_id, api_pref, &api_values)) {
APIPermissionSet::ParseFromJSON(api_values,
APIPermissionSet::kAllowInternalPermissions,
&apis, NULL, NULL);
}
// Retrieve the Manifest Keys permissions. Please refer to
// |SetExtensionPrefPermissionSet| for manifest_permissions_values format.
ManifestPermissionSet manifest_permissions;
const base::ListValue* manifest_permissions_values = NULL;
std::string manifest_permission_pref =
JoinPrefs(pref_key, kPrefManifestPermissions);
if (ReadPrefAsList(extension_id, manifest_permission_pref,
&manifest_permissions_values)) {
ManifestPermissionSet::ParseFromJSON(
manifest_permissions_values, &manifest_permissions, NULL, NULL);
}
// Retrieve the explicit host permissions.
URLPatternSet explicit_hosts;
ReadPrefAsURLPatternSet(
extension_id, JoinPrefs(pref_key, kPrefExplicitHosts),
&explicit_hosts, Extension::kValidHostPermissionSchemes);
// Retrieve the scriptable host permissions.
URLPatternSet scriptable_hosts;
ReadPrefAsURLPatternSet(
extension_id, JoinPrefs(pref_key, kPrefScriptableHosts),
&scriptable_hosts, UserScript::ValidUserScriptSchemes());
return base::WrapUnique(new PermissionSet(apis, manifest_permissions,
explicit_hosts, scriptable_hosts));
}
// Set the API or Manifest permissions.
// The format of api_values is:
// [ "permission_name1", // permissions do not support detail.
// "permission_name2",
// {"permission_name3": value },
// // permission supports detail, permission detail will be stored in value.
// ...
// ]
template<typename T>
static base::ListValue* CreatePermissionList(const T& permissions) {
base::ListValue* values = new base::ListValue();
for (typename T::const_iterator i = permissions.begin();
i != permissions.end(); ++i) {
std::unique_ptr<base::Value> detail(i->ToValue());
if (detail) {
std::unique_ptr<base::DictionaryValue> tmp(new base::DictionaryValue());
tmp->Set(i->name(), detail.release());
values->Append(std::move(tmp));
} else {
values->AppendString(i->name());
}
}
return values;
}
void ExtensionPrefs::SetExtensionPrefPermissionSet(
const std::string& extension_id,
const std::string& pref_key,
const PermissionSet& new_value) {
std::string api_pref = JoinPrefs(pref_key, kPrefAPIs);
base::ListValue* api_values = CreatePermissionList(new_value.apis());
UpdateExtensionPref(extension_id, api_pref, api_values);
std::string manifest_permissions_pref =
JoinPrefs(pref_key, kPrefManifestPermissions);
base::ListValue* manifest_permissions_values =
CreatePermissionList(new_value.manifest_permissions());
UpdateExtensionPref(extension_id,
manifest_permissions_pref,
manifest_permissions_values);
// Set the explicit host permissions.
if (!new_value.explicit_hosts().is_empty()) {
SetExtensionPrefURLPatternSet(extension_id,
JoinPrefs(pref_key, kPrefExplicitHosts),
new_value.explicit_hosts());
}
// Set the scriptable host permissions.
if (!new_value.scriptable_hosts().is_empty()) {
SetExtensionPrefURLPatternSet(extension_id,
JoinPrefs(pref_key, kPrefScriptableHosts),
new_value.scriptable_hosts());
}
}
int ExtensionPrefs::IncrementAcknowledgePromptCount(
const std::string& extension_id) {
int count = 0;
ReadPrefAsInteger(extension_id, kPrefAcknowledgePromptCount, &count);
++count;
UpdateExtensionPref(extension_id, kPrefAcknowledgePromptCount,
new base::FundamentalValue(count));
return count;
}
bool ExtensionPrefs::IsExternalExtensionAcknowledged(
const std::string& extension_id) const {
return ReadPrefAsBooleanAndReturn(extension_id, kPrefExternalAcknowledged);
}
void ExtensionPrefs::AcknowledgeExternalExtension(
const std::string& extension_id) {
DCHECK(crx_file::id_util::IdIsValid(extension_id));
UpdateExtensionPref(extension_id, kPrefExternalAcknowledged,
new base::FundamentalValue(true));
UpdateExtensionPref(extension_id, kPrefAcknowledgePromptCount, NULL);
}
bool ExtensionPrefs::IsBlacklistedExtensionAcknowledged(
const std::string& extension_id) const {
return ReadPrefAsBooleanAndReturn(extension_id, kPrefBlacklistAcknowledged);
}
void ExtensionPrefs::AcknowledgeBlacklistedExtension(
const std::string& extension_id) {
DCHECK(crx_file::id_util::IdIsValid(extension_id));
UpdateExtensionPref(extension_id, kPrefBlacklistAcknowledged,
new base::FundamentalValue(true));
UpdateExtensionPref(extension_id, kPrefAcknowledgePromptCount, NULL);
}
bool ExtensionPrefs::IsExternalInstallFirstRun(
const std::string& extension_id) const {
return ReadPrefAsBooleanAndReturn(extension_id, kPrefExternalInstallFirstRun);
}
void ExtensionPrefs::SetExternalInstallFirstRun(
const std::string& extension_id) {
DCHECK(crx_file::id_util::IdIsValid(extension_id));
UpdateExtensionPref(extension_id, kPrefExternalInstallFirstRun,
new base::FundamentalValue(true));
}
bool ExtensionPrefs::SetAlertSystemFirstRun() {
if (prefs_->GetBoolean(pref_names::kAlertsInitialized)) {
return true;
}
prefs_->SetBoolean(pref_names::kAlertsInitialized, true);
return false;
}
bool ExtensionPrefs::DidExtensionEscalatePermissions(
const std::string& extension_id) const {
return HasDisableReason(extension_id,
Extension::DISABLE_PERMISSIONS_INCREASE) ||
HasDisableReason(extension_id, Extension::DISABLE_REMOTE_INSTALL);
}
int ExtensionPrefs::GetDisableReasons(const std::string& extension_id) const {
int value = -1;
if (ReadPrefAsInteger(extension_id, kPrefDisableReasons, &value) &&
value >= 0) {
return value;
}
return Extension::DISABLE_NONE;
}
bool ExtensionPrefs::HasDisableReason(
const std::string& extension_id,
Extension::DisableReason disable_reason) const {
return (GetDisableReasons(extension_id) & disable_reason) != 0;
}
void ExtensionPrefs::AddDisableReason(const std::string& extension_id,
Extension::DisableReason disable_reason) {
DCHECK(!DoesExtensionHaveState(extension_id, Extension::ENABLED));
ModifyDisableReasons(extension_id, disable_reason, DISABLE_REASON_ADD);
}
void ExtensionPrefs::AddDisableReasons(const std::string& extension_id,
int disable_reasons) {
DCHECK(!DoesExtensionHaveState(extension_id, Extension::ENABLED));
ModifyDisableReasons(extension_id, disable_reasons, DISABLE_REASON_ADD);
}
void ExtensionPrefs::RemoveDisableReason(
const std::string& extension_id,
Extension::DisableReason disable_reason) {
ModifyDisableReasons(extension_id, disable_reason, DISABLE_REASON_REMOVE);
}
void ExtensionPrefs::ReplaceDisableReasons(const std::string& extension_id,
int disable_reasons) {
ModifyDisableReasons(extension_id, disable_reasons, DISABLE_REASON_REPLACE);
}
void ExtensionPrefs::ClearDisableReasons(const std::string& extension_id) {
ModifyDisableReasons(extension_id, Extension::DISABLE_NONE,
DISABLE_REASON_CLEAR);
}
void ExtensionPrefs::ModifyDisableReasons(const std::string& extension_id,
int reasons,
DisableReasonChange change) {
int old_value = GetDisableReasons(extension_id);
int new_value = old_value;
switch (change) {
case DISABLE_REASON_ADD:
new_value |= reasons;
break;
case DISABLE_REASON_REMOVE:
new_value &= ~reasons;
break;
case DISABLE_REASON_REPLACE:
new_value = reasons;
break;
case DISABLE_REASON_CLEAR:
new_value = Extension::DISABLE_NONE;
break;
}
if (old_value == new_value) // no change, return.
return;
if (new_value == Extension::DISABLE_NONE) {
UpdateExtensionPref(extension_id, kPrefDisableReasons, NULL);
} else {
UpdateExtensionPref(extension_id,
kPrefDisableReasons,
new base::FundamentalValue(new_value));
}
FOR_EACH_OBSERVER(ExtensionPrefsObserver,
observer_list_,
OnExtensionDisableReasonsChanged(extension_id, new_value));
}
std::set<std::string> ExtensionPrefs::GetBlacklistedExtensions() const {
std::set<std::string> ids;
const base::DictionaryValue* extensions =
prefs_->GetDictionary(pref_names::kExtensions);
if (!extensions)
return ids;
for (base::DictionaryValue::Iterator it(*extensions);
!it.IsAtEnd(); it.Advance()) {
if (!it.value().IsType(base::Value::TYPE_DICTIONARY)) {
NOTREACHED() << "Invalid pref for extension " << it.key();
continue;
}
if (IsBlacklistBitSet(
static_cast<const base::DictionaryValue*>(&it.value()))) {
ids.insert(it.key());
}
}
return ids;
}
void ExtensionPrefs::SetExtensionBlacklisted(const std::string& extension_id,
bool is_blacklisted) {
bool currently_blacklisted = IsExtensionBlacklisted(extension_id);
if (is_blacklisted == currently_blacklisted)
return;
// Always make sure the "acknowledged" bit is cleared since the blacklist bit
// is changing.
UpdateExtensionPref(extension_id, kPrefBlacklistAcknowledged, NULL);
if (is_blacklisted) {
UpdateExtensionPref(extension_id,
kPrefBlacklist,
new base::FundamentalValue(true));
} else {
UpdateExtensionPref(extension_id, kPrefBlacklist, NULL);
const base::DictionaryValue* dict = GetExtensionPref(extension_id);
if (dict && dict->empty())
DeleteExtensionPrefs(extension_id);
}
}
bool ExtensionPrefs::IsExtensionBlacklisted(const std::string& id) const {
const base::DictionaryValue* ext_prefs = GetExtensionPref(id);
return ext_prefs && IsBlacklistBitSet(ext_prefs);
}
namespace {
// Serializes a 64bit integer as a string value.
void SaveInt64(base::DictionaryValue* dictionary,
const char* key,
const int64_t value) {
if (!dictionary)
return;
std::string string_value = base::Int64ToString(value);
dictionary->SetString(key, string_value);
}
// Deserializes a 64bit integer stored as a string value.
bool ReadInt64(const base::DictionaryValue* dictionary,
const char* key,
int64_t* value) {
if (!dictionary)
return false;
std::string string_value;
if (!dictionary->GetString(key, &string_value))
return false;
return base::StringToInt64(string_value, value);
}
// Serializes |time| as a string value mapped to |key| in |dictionary|.
void SaveTime(base::DictionaryValue* dictionary,
const char* key,
const base::Time& time) {
SaveInt64(dictionary, key, time.ToInternalValue());
}
// The opposite of SaveTime. If |key| is not found, this returns an empty Time
// (is_null() will return true).
base::Time ReadTime(const base::DictionaryValue* dictionary, const char* key) {
int64_t value;
if (ReadInt64(dictionary, key, &value))
return base::Time::FromInternalValue(value);
return base::Time();
}
} // namespace
base::Time ExtensionPrefs::LastPingDay(const std::string& extension_id) const {
DCHECK(crx_file::id_util::IdIsValid(extension_id));
return ReadTime(GetExtensionPref(extension_id), kLastPingDay);
}
void ExtensionPrefs::SetLastPingDay(const std::string& extension_id,
const base::Time& time) {
DCHECK(crx_file::id_util::IdIsValid(extension_id));
ScopedExtensionPrefUpdate update(prefs_, extension_id);
SaveTime(update.Get(), kLastPingDay, time);
}
base::Time ExtensionPrefs::BlacklistLastPingDay() const {
return ReadTime(prefs_->GetDictionary(kExtensionsBlacklistUpdate),
kLastPingDay);
}
void ExtensionPrefs::SetBlacklistLastPingDay(const base::Time& time) {
DictionaryPrefUpdate update(prefs_, kExtensionsBlacklistUpdate);
SaveTime(update.Get(), kLastPingDay, time);
}
base::Time ExtensionPrefs::LastActivePingDay(
const std::string& extension_id) const {
DCHECK(crx_file::id_util::IdIsValid(extension_id));
return ReadTime(GetExtensionPref(extension_id), kLastActivePingDay);
}
void ExtensionPrefs::SetLastActivePingDay(const std::string& extension_id,
const base::Time& time) {
DCHECK(crx_file::id_util::IdIsValid(extension_id));
ScopedExtensionPrefUpdate update(prefs_, extension_id);
SaveTime(update.Get(), kLastActivePingDay, time);
}
bool ExtensionPrefs::GetActiveBit(const std::string& extension_id) const {
const base::DictionaryValue* dictionary = GetExtensionPref(extension_id);
bool result = false;
if (dictionary && dictionary->GetBoolean(kActiveBit, &result))
return result;
return false;
}
void ExtensionPrefs::SetActiveBit(const std::string& extension_id,
bool active) {
UpdateExtensionPref(extension_id, kActiveBit,
new base::FundamentalValue(active));
}
std::unique_ptr<const PermissionSet> ExtensionPrefs::GetGrantedPermissions(
const std::string& extension_id) const {
CHECK(crx_file::id_util::IdIsValid(extension_id));
return ReadPrefAsPermissionSet(extension_id, kPrefGrantedPermissions);
}
void ExtensionPrefs::AddGrantedPermissions(const std::string& extension_id,
const PermissionSet& permissions) {
CHECK(crx_file::id_util::IdIsValid(extension_id));
std::unique_ptr<const PermissionSet> granted =
GetGrantedPermissions(extension_id);
std::unique_ptr<const PermissionSet> union_set;
if (granted)
union_set = PermissionSet::CreateUnion(permissions, *granted);
// The new granted permissions are the union of the already granted
// permissions and the newly granted permissions.
SetExtensionPrefPermissionSet(extension_id, kPrefGrantedPermissions,
union_set ? *union_set : permissions);
}
void ExtensionPrefs::RemoveGrantedPermissions(
const std::string& extension_id,
const PermissionSet& permissions) {
CHECK(crx_file::id_util::IdIsValid(extension_id));
// The new granted permissions are the difference of the already granted
// permissions and the newly ungranted permissions.
SetExtensionPrefPermissionSet(
extension_id, kPrefGrantedPermissions,
*PermissionSet::CreateDifference(*GetGrantedPermissions(extension_id),
permissions));
}
std::unique_ptr<const PermissionSet> ExtensionPrefs::GetActivePermissions(
const std::string& extension_id) const {
CHECK(crx_file::id_util::IdIsValid(extension_id));
return ReadPrefAsPermissionSet(extension_id, kPrefActivePermissions);
}
void ExtensionPrefs::SetActivePermissions(const std::string& extension_id,
const PermissionSet& permissions) {
SetExtensionPrefPermissionSet(
extension_id, kPrefActivePermissions, permissions);
}
void ExtensionPrefs::SetExtensionRunning(const std::string& extension_id,
bool is_running) {
base::Value* value = new base::FundamentalValue(is_running);
UpdateExtensionPref(extension_id, kPrefRunning, value);
}
bool ExtensionPrefs::IsExtensionRunning(const std::string& extension_id) const {
const base::DictionaryValue* extension = GetExtensionPref(extension_id);
if (!extension)
return false;
bool running = false;
extension->GetBoolean(kPrefRunning, &running);
return running;
}
void ExtensionPrefs::SetIsActive(const std::string& extension_id,
bool is_active) {
base::Value* value = new base::FundamentalValue(is_active);
UpdateExtensionPref(extension_id, kIsActive, value);
}
bool ExtensionPrefs::IsActive(const std::string& extension_id) const {
const base::DictionaryValue* extension = GetExtensionPref(extension_id);
if (!extension)
return false;
bool is_active = false;
extension->GetBoolean(kIsActive, &is_active);
return is_active;
}
bool ExtensionPrefs::IsIncognitoEnabled(const std::string& extension_id) const {
return ReadPrefAsBooleanAndReturn(extension_id, kPrefIncognitoEnabled);
}
void ExtensionPrefs::SetIsIncognitoEnabled(const std::string& extension_id,
bool enabled) {
UpdateExtensionPref(extension_id, kPrefIncognitoEnabled,
new base::FundamentalValue(enabled));
extension_pref_value_map_->SetExtensionIncognitoState(extension_id, enabled);
}
bool ExtensionPrefs::AllowFileAccess(const std::string& extension_id) const {
return ReadPrefAsBooleanAndReturn(extension_id, kPrefAllowFileAccess);
}
void ExtensionPrefs::SetAllowFileAccess(const std::string& extension_id,
bool allow) {
UpdateExtensionPref(extension_id, kPrefAllowFileAccess,
new base::FundamentalValue(allow));
}
bool ExtensionPrefs::HasAllowFileAccessSetting(
const std::string& extension_id) const {
const base::DictionaryValue* ext = GetExtensionPref(extension_id);
return ext && ext->HasKey(kPrefAllowFileAccess);
}
bool ExtensionPrefs::DoesExtensionHaveState(
const std::string& id, Extension::State check_state) const {
const base::DictionaryValue* extension = GetExtensionPref(id);
int state = -1;
if (!extension || !extension->GetInteger(kPrefState, &state))
return false;
if (state < 0 || state >= Extension::NUM_STATES) {
LOG(ERROR) << "Bad pref 'state' for extension '" << id << "'";
return false;
}
return state == check_state;
}
bool ExtensionPrefs::IsExternalExtensionUninstalled(
const std::string& id) const {
return DoesExtensionHaveState(id, Extension::EXTERNAL_EXTENSION_UNINSTALLED);
}
bool ExtensionPrefs::IsExtensionDisabled(const std::string& id) const {
return DoesExtensionHaveState(id, Extension::DISABLED);
}
ExtensionIdList ExtensionPrefs::GetToolbarOrder() const {
ExtensionIdList id_list_out;
GetUserExtensionPrefIntoContainer(pref_names::kToolbar, &id_list_out);
return id_list_out;
}
void ExtensionPrefs::SetToolbarOrder(const ExtensionIdList& extension_ids) {
SetExtensionPrefFromContainer(pref_names::kToolbar, extension_ids);
}
void ExtensionPrefs::OnExtensionInstalled(
const Extension* extension,
Extension::State initial_state,
const syncer::StringOrdinal& page_ordinal,
int install_flags,
const std::string& install_parameter) {
ScopedExtensionPrefUpdate update(prefs_, extension->id());
base::DictionaryValue* extension_dict = update.Get();
const base::Time install_time = time_provider_->GetCurrentTime();
PopulateExtensionInfoPrefs(extension,
install_time,
initial_state,
install_flags,
install_parameter,
extension_dict);
FinishExtensionInfoPrefs(extension->id(), install_time,
extension->RequiresSortOrdinal(), page_ordinal,
extension_dict);
}
void ExtensionPrefs::OnExtensionUninstalled(const std::string& extension_id,
const Manifest::Location& location,
bool external_uninstall) {
app_sorting()->ClearOrdinals(extension_id);
// For external extensions, we save a preference reminding ourself not to try
// and install the extension anymore (except when |external_uninstall| is
// true, which signifies that the registry key was deleted or the pref file
// no longer lists the extension).
if (!external_uninstall && Manifest::IsExternalLocation(location)) {
UpdateExtensionPref(extension_id, kPrefState,
new base::FundamentalValue(
Extension::EXTERNAL_EXTENSION_UNINSTALLED));
extension_pref_value_map_->SetExtensionState(extension_id, false);
FOR_EACH_OBSERVER(ExtensionPrefsObserver,
observer_list_,
OnExtensionStateChanged(extension_id, false));
} else {
DeleteExtensionPrefs(extension_id);
}
}
void ExtensionPrefs::SetExtensionEnabled(const std::string& extension_id) {
UpdateExtensionPref(extension_id, kPrefState,
new base::FundamentalValue(Extension::ENABLED));
extension_pref_value_map_->SetExtensionState(extension_id, true);
UpdateExtensionPref(extension_id, kPrefDisableReasons, nullptr);
FOR_EACH_OBSERVER(ExtensionPrefsObserver, observer_list_,
OnExtensionStateChanged(extension_id, true));
}
void ExtensionPrefs::SetExtensionDisabled(const std::string& extension_id,
int disable_reasons) {
if (!IsExternalExtensionUninstalled(extension_id)) {
UpdateExtensionPref(extension_id, kPrefState,
new base::FundamentalValue(Extension::DISABLED));
extension_pref_value_map_->SetExtensionState(extension_id, false);
}
UpdateExtensionPref(extension_id, kPrefDisableReasons,
new base::FundamentalValue(disable_reasons));
FOR_EACH_OBSERVER(ExtensionPrefsObserver, observer_list_,
OnExtensionStateChanged(extension_id, false));
}
void ExtensionPrefs::SetExtensionBlacklistState(const std::string& extension_id,
BlacklistState state) {
SetExtensionBlacklisted(extension_id, state == BLACKLISTED_MALWARE);
UpdateExtensionPref(extension_id, kPrefBlacklistState,
new base::FundamentalValue(state));
}
BlacklistState ExtensionPrefs::GetExtensionBlacklistState(
const std::string& extension_id) const {
if (IsExtensionBlacklisted(extension_id))
return BLACKLISTED_MALWARE;
const base::DictionaryValue* ext_prefs = GetExtensionPref(extension_id);
int int_value = 0;
if (ext_prefs && ext_prefs->GetInteger(kPrefBlacklistState, &int_value))
return static_cast<BlacklistState>(int_value);
return NOT_BLACKLISTED;
}
std::string ExtensionPrefs::GetVersionString(
const std::string& extension_id) const {
const base::DictionaryValue* extension = GetExtensionPref(extension_id);
if (!extension)
return std::string();
std::string version;
extension->GetString(kPrefVersion, &version);
return version;
}
void ExtensionPrefs::UpdateManifest(const Extension* extension) {
if (!Manifest::IsUnpackedLocation(extension->location())) {
const base::DictionaryValue* extension_dict =
GetExtensionPref(extension->id());
if (!extension_dict)
return;
const base::DictionaryValue* old_manifest = NULL;
bool update_required =
!extension_dict->GetDictionary(kPrefManifest, &old_manifest) ||
!extension->manifest()->value()->Equals(old_manifest);
if (update_required) {
UpdateExtensionPref(extension->id(), kPrefManifest,
extension->manifest()->value()->DeepCopy());
}
}
}
std::unique_ptr<ExtensionInfo> ExtensionPrefs::GetInstalledInfoHelper(
const std::string& extension_id,
const base::DictionaryValue* extension) const {
int location_value;
if (!extension->GetInteger(kPrefLocation, &location_value))
return std::unique_ptr<ExtensionInfo>();
Manifest::Location location = static_cast<Manifest::Location>(location_value);
if (location == Manifest::COMPONENT) {
// Component extensions are ignored. Component extensions may have data
// saved in preferences, but they are already loaded at this point (by
// ComponentLoader) and shouldn't be populated into the result of
// GetInstalledExtensionsInfo, otherwise InstalledLoader would also want to
// load them.
return std::unique_ptr<ExtensionInfo>();
}
// Only the following extension types have data saved in the preferences.
if (location != Manifest::INTERNAL &&
!Manifest::IsUnpackedLocation(location) &&
!Manifest::IsExternalLocation(location)) {
NOTREACHED();
return std::unique_ptr<ExtensionInfo>();
}
const base::DictionaryValue* manifest = NULL;
if (!Manifest::IsUnpackedLocation(location) &&
!extension->GetDictionary(kPrefManifest, &manifest)) {
LOG(WARNING) << "Missing manifest for extension " << extension_id;
// Just a warning for now.
}
base::FilePath::StringType path;
if (!extension->GetString(kPrefPath, &path))
return std::unique_ptr<ExtensionInfo>();
// Make path absolute. Most (but not all) extension types have relative paths.
if (!base::FilePath(path).IsAbsolute())
path = install_directory_.Append(path).value();
return std::unique_ptr<ExtensionInfo>(new ExtensionInfo(
manifest, extension_id, base::FilePath(path), location));
}
std::unique_ptr<ExtensionInfo> ExtensionPrefs::GetInstalledExtensionInfo(
const std::string& extension_id) const {
const base::DictionaryValue* ext = NULL;
const base::DictionaryValue* extensions =
prefs_->GetDictionary(pref_names::kExtensions);
if (!extensions ||
!extensions->GetDictionaryWithoutPathExpansion(extension_id, &ext))
return std::unique_ptr<ExtensionInfo>();
int state_value;
if (ext->GetInteger(kPrefState, &state_value) &&
state_value == Extension::EXTERNAL_EXTENSION_UNINSTALLED) {
LOG(WARNING) << "External extension with id " << extension_id
<< " has been uninstalled by the user";
return std::unique_ptr<ExtensionInfo>();
}
return GetInstalledInfoHelper(extension_id, ext);
}
std::unique_ptr<ExtensionPrefs::ExtensionsInfo>
ExtensionPrefs::GetInstalledExtensionsInfo() const {
std::unique_ptr<ExtensionsInfo> extensions_info(new ExtensionsInfo);
const base::DictionaryValue* extensions =
prefs_->GetDictionary(pref_names::kExtensions);
for (base::DictionaryValue::Iterator extension_id(*extensions);
!extension_id.IsAtEnd(); extension_id.Advance()) {
if (!crx_file::id_util::IdIsValid(extension_id.key()))
continue;
std::unique_ptr<ExtensionInfo> info =
GetInstalledExtensionInfo(extension_id.key());
if (info)
extensions_info->push_back(linked_ptr<ExtensionInfo>(info.release()));
}
return extensions_info;
}
std::unique_ptr<ExtensionPrefs::ExtensionsInfo>
ExtensionPrefs::GetUninstalledExtensionsInfo() const {
std::unique_ptr<ExtensionsInfo> extensions_info(new ExtensionsInfo);
const base::DictionaryValue* extensions =
prefs_->GetDictionary(pref_names::kExtensions);
for (base::DictionaryValue::Iterator extension_id(*extensions);
!extension_id.IsAtEnd(); extension_id.Advance()) {
const base::DictionaryValue* ext = NULL;
if (!crx_file::id_util::IdIsValid(extension_id.key()) ||
!IsExternalExtensionUninstalled(extension_id.key()) ||
!extension_id.value().GetAsDictionary(&ext))
continue;
std::unique_ptr<ExtensionInfo> info =
GetInstalledInfoHelper(extension_id.key(), ext);
if (info)
extensions_info->push_back(linked_ptr<ExtensionInfo>(info.release()));
}
return extensions_info;
}
void ExtensionPrefs::SetDelayedInstallInfo(
const Extension* extension,
Extension::State initial_state,
int install_flags,
DelayReason delay_reason,
const syncer::StringOrdinal& page_ordinal,
const std::string& install_parameter) {
base::DictionaryValue* extension_dict = new base::DictionaryValue();
PopulateExtensionInfoPrefs(extension,
time_provider_->GetCurrentTime(),
initial_state,
install_flags,
install_parameter,
extension_dict);
// Add transient data that is needed by FinishDelayedInstallInfo(), but
// should not be in the final extension prefs. All entries here should have
// a corresponding Remove() call in FinishDelayedInstallInfo().
if (extension->RequiresSortOrdinal()) {
extension_dict->SetString(
kPrefSuggestedPageOrdinal,
page_ordinal.IsValid() ? page_ordinal.ToInternalValue()
: std::string());
}
extension_dict->SetInteger(kDelayedInstallReason,
static_cast<int>(delay_reason));
UpdateExtensionPref(extension->id(), kDelayedInstallInfo, extension_dict);
}
bool ExtensionPrefs::RemoveDelayedInstallInfo(
const std::string& extension_id) {
if (!GetExtensionPref(extension_id))
return false;
ScopedExtensionPrefUpdate update(prefs_, extension_id);
bool result = update->Remove(kDelayedInstallInfo, NULL);
return result;
}
bool ExtensionPrefs::FinishDelayedInstallInfo(
const std::string& extension_id) {
CHECK(crx_file::id_util::IdIsValid(extension_id));
ScopedExtensionPrefUpdate update(prefs_, extension_id);
base::DictionaryValue* extension_dict = update.Get();
base::DictionaryValue* pending_install_dict = NULL;
if (!extension_dict->GetDictionary(kDelayedInstallInfo,
&pending_install_dict)) {
return false;
}
// Retrieve and clear transient values populated by SetDelayedInstallInfo().
// Also do any other data cleanup that makes sense.
std::string serialized_ordinal;
syncer::StringOrdinal suggested_page_ordinal;
bool needs_sort_ordinal = false;
if (pending_install_dict->GetString(kPrefSuggestedPageOrdinal,
&serialized_ordinal)) {
suggested_page_ordinal = syncer::StringOrdinal(serialized_ordinal);
needs_sort_ordinal = true;
pending_install_dict->Remove(kPrefSuggestedPageOrdinal, NULL);
}
pending_install_dict->Remove(kDelayedInstallReason, NULL);
const base::Time install_time = time_provider_->GetCurrentTime();
pending_install_dict->Set(
kPrefInstallTime,
new base::StringValue(
base::Int64ToString(install_time.ToInternalValue())));
// Commit the delayed install data.
for (base::DictionaryValue::Iterator it(*pending_install_dict); !it.IsAtEnd();
it.Advance()) {
extension_dict->Set(it.key(), it.value().DeepCopy());
}
FinishExtensionInfoPrefs(extension_id, install_time, needs_sort_ordinal,
suggested_page_ordinal, extension_dict);
return true;
}
std::unique_ptr<ExtensionInfo> ExtensionPrefs::GetDelayedInstallInfo(
const std::string& extension_id) const {
const base::DictionaryValue* extension_prefs =
GetExtensionPref(extension_id);
if (!extension_prefs)
return std::unique_ptr<ExtensionInfo>();
const base::DictionaryValue* ext = NULL;
if (!extension_prefs->GetDictionary(kDelayedInstallInfo, &ext))
return std::unique_ptr<ExtensionInfo>();
return GetInstalledInfoHelper(extension_id, ext);
}
ExtensionPrefs::DelayReason ExtensionPrefs::GetDelayedInstallReason(
const std::string& extension_id) const {
const base::DictionaryValue* extension_prefs =
GetExtensionPref(extension_id);
if (!extension_prefs)
return DELAY_REASON_NONE;
const base::DictionaryValue* ext = NULL;
if (!extension_prefs->GetDictionary(kDelayedInstallInfo, &ext))
return DELAY_REASON_NONE;
int delay_reason;
if (!ext->GetInteger(kDelayedInstallReason, &delay_reason))
return DELAY_REASON_NONE;
return static_cast<DelayReason>(delay_reason);
}
std::unique_ptr<ExtensionPrefs::ExtensionsInfo>
ExtensionPrefs::GetAllDelayedInstallInfo() const {
std::unique_ptr<ExtensionsInfo> extensions_info(new ExtensionsInfo);
const base::DictionaryValue* extensions =
prefs_->GetDictionary(pref_names::kExtensions);
for (base::DictionaryValue::Iterator extension_id(*extensions);
!extension_id.IsAtEnd(); extension_id.Advance()) {
if (!crx_file::id_util::IdIsValid(extension_id.key()))
continue;
std::unique_ptr<ExtensionInfo> info =
GetDelayedInstallInfo(extension_id.key());
if (info)
extensions_info->push_back(linked_ptr<ExtensionInfo>(info.release()));
}
return extensions_info;
}
bool ExtensionPrefs::WasAppDraggedByUser(
const std::string& extension_id) const {
return ReadPrefAsBooleanAndReturn(extension_id, kPrefUserDraggedApp);
}
void ExtensionPrefs::SetAppDraggedByUser(const std::string& extension_id) {
UpdateExtensionPref(extension_id, kPrefUserDraggedApp,
new base::FundamentalValue(true));
}
bool ExtensionPrefs::IsFromWebStore(
const std::string& extension_id) const {
const base::DictionaryValue* dictionary = GetExtensionPref(extension_id);
bool result = false;
if (dictionary && dictionary->GetBoolean(kPrefFromWebStore, &result))
return result;
return false;
}
bool ExtensionPrefs::IsFromBookmark(
const std::string& extension_id) const {
const base::DictionaryValue* dictionary = GetExtensionPref(extension_id);
bool result = false;
if (dictionary && dictionary->GetBoolean(kPrefFromBookmark, &result))
return result;
return false;
}
int ExtensionPrefs::GetCreationFlags(const std::string& extension_id) const {
int creation_flags = Extension::NO_FLAGS;
if (!ReadPrefAsInteger(extension_id, kPrefCreationFlags, &creation_flags)) {
// Since kPrefCreationFlags was added later, it will be missing for
// previously installed extensions.
if (IsFromBookmark(extension_id))
creation_flags |= Extension::FROM_BOOKMARK;
if (IsFromWebStore(extension_id))
creation_flags |= Extension::FROM_WEBSTORE;
if (WasInstalledByDefault(extension_id))
creation_flags |= Extension::WAS_INSTALLED_BY_DEFAULT;
if (WasInstalledByOem(extension_id))
creation_flags |= Extension::WAS_INSTALLED_BY_OEM;
}
return creation_flags;
}
int ExtensionPrefs::GetDelayedInstallCreationFlags(
const std::string& extension_id) const {
int creation_flags = Extension::NO_FLAGS;
const base::DictionaryValue* delayed_info = NULL;
if (ReadPrefAsDictionary(extension_id, kDelayedInstallInfo, &delayed_info)) {
delayed_info->GetInteger(kPrefCreationFlags, &creation_flags);
}
return creation_flags;
}
bool ExtensionPrefs::WasInstalledByDefault(
const std::string& extension_id) const {
const base::DictionaryValue* dictionary = GetExtensionPref(extension_id);
bool result = false;
if (dictionary &&
dictionary->GetBoolean(kPrefWasInstalledByDefault, &result))
return result;
return false;
}
bool ExtensionPrefs::WasInstalledByOem(const std::string& extension_id) const {
const base::DictionaryValue* dictionary = GetExtensionPref(extension_id);
bool result = false;
if (dictionary && dictionary->GetBoolean(kPrefWasInstalledByOem, &result))
return result;
return false;
}
base::Time ExtensionPrefs::GetInstallTime(
const std::string& extension_id) const {
const base::DictionaryValue* extension = GetExtensionPref(extension_id);
if (!extension) {
NOTREACHED();
return base::Time();
}
std::string install_time_str;
if (!extension->GetString(kPrefInstallTime, &install_time_str))
return base::Time();
int64_t install_time_i64 = 0;
if (!base::StringToInt64(install_time_str, &install_time_i64))
return base::Time();
return base::Time::FromInternalValue(install_time_i64);
}
bool ExtensionPrefs::DoNotSync(const std::string& extension_id) const {
bool do_not_sync;
if (!ReadPrefAsBoolean(extension_id, kPrefDoNotSync, &do_not_sync))
return false;
return do_not_sync;
}
base::Time ExtensionPrefs::GetLastLaunchTime(
const std::string& extension_id) const {
const base::DictionaryValue* extension = GetExtensionPref(extension_id);
if (!extension)
return base::Time();
std::string launch_time_str;
if (!extension->GetString(kPrefLastLaunchTime, &launch_time_str))
return base::Time();
int64_t launch_time_i64 = 0;
if (!base::StringToInt64(launch_time_str, &launch_time_i64))
return base::Time();
return base::Time::FromInternalValue(launch_time_i64);
}
void ExtensionPrefs::SetLastLaunchTime(const std::string& extension_id,
const base::Time& time) {
DCHECK(crx_file::id_util::IdIsValid(extension_id));
ScopedExtensionPrefUpdate update(prefs_, extension_id);
SaveTime(update.Get(), kPrefLastLaunchTime, time);
}
void ExtensionPrefs::ClearLastLaunchTimes() {
const base::DictionaryValue* dict =
prefs_->GetDictionary(pref_names::kExtensions);
if (!dict || dict->empty())
return;
// Collect all the keys to remove the last launched preference from.
DictionaryPrefUpdate update(prefs_, pref_names::kExtensions);
base::DictionaryValue* update_dict = update.Get();
for (base::DictionaryValue::Iterator i(*update_dict); !i.IsAtEnd();
i.Advance()) {
base::DictionaryValue* extension_dict = NULL;
if (!update_dict->GetDictionary(i.key(), &extension_dict))
continue;
if (extension_dict->HasKey(kPrefLastLaunchTime))
extension_dict->Remove(kPrefLastLaunchTime, NULL);
}
}
void ExtensionPrefs::GetExtensions(ExtensionIdList* out) const {
CHECK(out);
std::unique_ptr<ExtensionsInfo> extensions_info(GetInstalledExtensionsInfo());
for (size_t i = 0; i < extensions_info->size(); ++i) {
ExtensionInfo* info = extensions_info->at(i).get();
out->push_back(info->extension_id);
}
}
// static
ExtensionIdList ExtensionPrefs::GetExtensionsFrom(
const PrefService* pref_service) {
ExtensionIdList result;
const base::DictionaryValue* extension_prefs = NULL;
const base::Value* extension_prefs_value =
pref_service->GetUserPrefValue(pref_names::kExtensions);
if (!extension_prefs_value ||
!extension_prefs_value->GetAsDictionary(&extension_prefs)) {
return result; // Empty set
}
for (base::DictionaryValue::Iterator it(*extension_prefs); !it.IsAtEnd();
it.Advance()) {
const base::DictionaryValue* ext = NULL;
if (!it.value().GetAsDictionary(&ext)) {
NOTREACHED() << "Invalid pref for extension " << it.key();
continue;
}
if (!IsBlacklistBitSet(ext))
result.push_back(it.key());
}
return result;
}
void ExtensionPrefs::AddObserver(ExtensionPrefsObserver* observer) {
observer_list_.AddObserver(observer);
}
void ExtensionPrefs::RemoveObserver(ExtensionPrefsObserver* observer) {
observer_list_.RemoveObserver(observer);
}
void ExtensionPrefs::InitPrefStore() {
TRACE_EVENT0("browser,startup", "ExtensionPrefs::InitPrefStore")
SCOPED_UMA_HISTOGRAM_TIMER("Extensions.InitPrefStoreTime");
if (extensions_disabled_) {
extension_pref_value_map_->NotifyInitializationCompleted();
return;
}
// When this is called, the PrefService is initialized and provides access
// to the user preferences stored in a JSON file.
ExtensionIdList extension_ids;
{
SCOPED_UMA_HISTOGRAM_TIMER("Extensions.InitPrefGetExtensionsTime");
GetExtensions(&extension_ids);
}
// Create empty preferences dictionary for each extension (these dictionaries
// are pruned when persisting the preferences to disk).
for (ExtensionIdList::iterator ext_id = extension_ids.begin();
ext_id != extension_ids.end(); ++ext_id) {
ScopedExtensionPrefUpdate update(prefs_, *ext_id);
// This creates an empty dictionary if none is stored.
update.Get();
}
InitExtensionControlledPrefs(extension_pref_value_map_);
extension_pref_value_map_->NotifyInitializationCompleted();
}
bool ExtensionPrefs::HasIncognitoPrefValue(const std::string& pref_key) const {
bool has_incognito_pref_value = false;
extension_pref_value_map_->GetEffectivePrefValue(pref_key,
true,
&has_incognito_pref_value);
return has_incognito_pref_value;
}
const base::DictionaryValue* ExtensionPrefs::GetGeometryCache(
const std::string& extension_id) const {
const base::DictionaryValue* extension_prefs = GetExtensionPref(extension_id);
if (!extension_prefs)
return NULL;
const base::DictionaryValue* ext = NULL;
if (!extension_prefs->GetDictionary(kPrefGeometryCache, &ext))
return NULL;
return ext;
}
void ExtensionPrefs::SetGeometryCache(
const std::string& extension_id,
std::unique_ptr<base::DictionaryValue> cache) {
UpdateExtensionPref(extension_id, kPrefGeometryCache, cache.release());
}
const base::DictionaryValue* ExtensionPrefs::GetInstallSignature() const {
return prefs_->GetDictionary(kInstallSignature);
}
void ExtensionPrefs::SetInstallSignature(
const base::DictionaryValue* signature) {
if (signature) {
prefs_->Set(kInstallSignature, *signature);
DVLOG(1) << "SetInstallSignature - saving";
} else {
DVLOG(1) << "SetInstallSignature - clearing";
prefs_->ClearPref(kInstallSignature);
}
}
std::string ExtensionPrefs::GetInstallParam(
const std::string& extension_id) const {
const base::DictionaryValue* extension = GetExtensionPref(extension_id);
if (!extension) // Expected during unit testing.
return std::string();
std::string install_parameter;
if (!extension->GetString(kPrefInstallParam, &install_parameter))
return std::string();
return install_parameter;
}
void ExtensionPrefs::SetInstallParam(const std::string& extension_id,
const std::string& install_parameter) {
UpdateExtensionPref(extension_id,
kPrefInstallParam,
new base::StringValue(install_parameter));
}
int ExtensionPrefs::GetCorruptedDisableCount() const {
return prefs_->GetInteger(kCorruptedDisableCount);
}
void ExtensionPrefs::IncrementCorruptedDisableCount() {
int count = prefs_->GetInteger(kCorruptedDisableCount);
prefs_->SetInteger(kCorruptedDisableCount, count + 1);
}
bool ExtensionPrefs::NeedsSync(const std::string& extension_id) const {
return ReadPrefAsBooleanAndReturn(extension_id, kPrefNeedsSync);
}
void ExtensionPrefs::SetNeedsSync(const std::string& extension_id,
bool needs_sync) {
UpdateExtensionPref(extension_id, kPrefNeedsSync,
needs_sync ? new base::FundamentalValue(true) : nullptr);
}
ExtensionPrefs::ExtensionPrefs(
content::BrowserContext* browser_context,
PrefService* prefs,
const base::FilePath& root_dir,
ExtensionPrefValueMap* extension_pref_value_map,
std::unique_ptr<TimeProvider> time_provider,
bool extensions_disabled,
const std::vector<ExtensionPrefsObserver*>& early_observers)
: browser_context_(browser_context),
prefs_(prefs),
install_directory_(root_dir),
extension_pref_value_map_(extension_pref_value_map),
time_provider_(std::move(time_provider)),
extensions_disabled_(extensions_disabled) {
MakePathsRelative();
// Ensure that any early observers are watching before prefs are initialized.
for (std::vector<ExtensionPrefsObserver*>::const_iterator iter =
early_observers.begin();
iter != early_observers.end();
++iter) {
AddObserver(*iter);
}
InitPrefStore();
}
AppSorting* ExtensionPrefs::app_sorting() const {
return ExtensionSystem::Get(browser_context_)->app_sorting();
}
void ExtensionPrefs::SetNeedsStorageGarbageCollection(bool value) {
prefs_->SetBoolean(pref_names::kStorageGarbageCollect, value);
}
bool ExtensionPrefs::NeedsStorageGarbageCollection() const {
return prefs_->GetBoolean(pref_names::kStorageGarbageCollect);
}
// static
void ExtensionPrefs::RegisterProfilePrefs(
user_prefs::PrefRegistrySyncable* registry) {
registry->RegisterDictionaryPref(pref_names::kExtensions);
registry->RegisterListPref(pref_names::kToolbar,
user_prefs::PrefRegistrySyncable::SYNCABLE_PREF);
registry->RegisterIntegerPref(pref_names::kToolbarSize, -1);
registry->RegisterDictionaryPref(kExtensionsBlacklistUpdate);
registry->RegisterListPref(pref_names::kInstallAllowList);
registry->RegisterListPref(pref_names::kInstallDenyList);
registry->RegisterDictionaryPref(pref_names::kInstallForceList);
registry->RegisterListPref(pref_names::kAllowedTypes);
registry->RegisterBooleanPref(pref_names::kStorageGarbageCollect, false);
registry->RegisterInt64Pref(pref_names::kLastUpdateCheck, 0);
registry->RegisterInt64Pref(pref_names::kNextUpdateCheck, 0);
registry->RegisterListPref(pref_names::kAllowedInstallSites);
registry->RegisterStringPref(pref_names::kLastChromeVersion, std::string());
registry->RegisterDictionaryPref(kInstallSignature);
registry->RegisterListPref(pref_names::kNativeMessagingBlacklist);
registry->RegisterListPref(pref_names::kNativeMessagingWhitelist);
registry->RegisterBooleanPref(pref_names::kNativeMessagingUserLevelHosts,
true);
registry->RegisterIntegerPref(kCorruptedDisableCount, 0);
#if !defined(OS_MACOSX)
registry->RegisterBooleanPref(pref_names::kAppFullscreenAllowed, true);
#endif
}
template <class ExtensionIdContainer>
bool ExtensionPrefs::GetUserExtensionPrefIntoContainer(
const char* pref,
ExtensionIdContainer* id_container_out) const {
DCHECK(id_container_out->empty());
const base::Value* user_pref_value = prefs_->GetUserPrefValue(pref);
const base::ListValue* user_pref_as_list;
if (!user_pref_value || !user_pref_value->GetAsList(&user_pref_as_list))
return false;
std::insert_iterator<ExtensionIdContainer> insert_iterator(
*id_container_out, id_container_out->end());
std::string extension_id;
for (base::ListValue::const_iterator value_it = user_pref_as_list->begin();
value_it != user_pref_as_list->end(); ++value_it) {
if (!(*value_it)->GetAsString(&extension_id)) {
NOTREACHED();
continue;
}
insert_iterator = extension_id;
}
return true;
}
template <class ExtensionIdContainer>
void ExtensionPrefs::SetExtensionPrefFromContainer(
const char* pref,
const ExtensionIdContainer& strings) {
ListPrefUpdate update(prefs_, pref);
base::ListValue* list_of_values = update.Get();
list_of_values->Clear();
for (typename ExtensionIdContainer::const_iterator iter = strings.begin();
iter != strings.end(); ++iter) {
list_of_values->AppendString(*iter);
}
}
void ExtensionPrefs::PopulateExtensionInfoPrefs(
const Extension* extension,
const base::Time install_time,
Extension::State initial_state,
int install_flags,
const std::string& install_parameter,
base::DictionaryValue* extension_dict) const {
extension_dict->Set(kPrefState, new base::FundamentalValue(initial_state));
extension_dict->Set(kPrefLocation,
new base::FundamentalValue(extension->location()));
extension_dict->Set(kPrefCreationFlags,
new base::FundamentalValue(extension->creation_flags()));
extension_dict->Set(kPrefFromWebStore,
new base::FundamentalValue(extension->from_webstore()));
extension_dict->Set(kPrefFromBookmark,
new base::FundamentalValue(extension->from_bookmark()));
extension_dict->Set(
kPrefWasInstalledByDefault,
new base::FundamentalValue(extension->was_installed_by_default()));
extension_dict->Set(
kPrefWasInstalledByOem,
new base::FundamentalValue(extension->was_installed_by_oem()));
extension_dict->Set(kPrefInstallTime,
new base::StringValue(
base::Int64ToString(install_time.ToInternalValue())));
if (install_flags & kInstallFlagIsBlacklistedForMalware)
extension_dict->Set(kPrefBlacklist, new base::FundamentalValue(true));
base::FilePath::StringType path = MakePathRelative(install_directory_,
extension->path());
extension_dict->Set(kPrefPath, new base::StringValue(path));
if (!install_parameter.empty()) {
extension_dict->Set(kPrefInstallParam,
new base::StringValue(install_parameter));
}
// We store prefs about LOAD extensions, but don't cache their manifest
// since it may change on disk.
if (!Manifest::IsUnpackedLocation(extension->location())) {
extension_dict->Set(kPrefManifest,
extension->manifest()->value()->DeepCopy());
}
// Only writes kPrefDoNotSync when it is not the default.
if (install_flags & kInstallFlagDoNotSync)
extension_dict->Set(kPrefDoNotSync, new base::FundamentalValue(true));
else
extension_dict->Remove(kPrefDoNotSync, NULL);
}
void ExtensionPrefs::InitExtensionControlledPrefs(
ExtensionPrefValueMap* value_map) {
TRACE_EVENT0("browser,startup",
"ExtensionPrefs::InitExtensionControlledPrefs")
SCOPED_UMA_HISTOGRAM_TIMER("Extensions.InitExtensionControlledPrefsTime");
ExtensionIdList extension_ids;
GetExtensions(&extension_ids);
for (ExtensionIdList::iterator extension_id = extension_ids.begin();
extension_id != extension_ids.end();
++extension_id) {
base::Time install_time = GetInstallTime(*extension_id);
bool is_enabled = !IsExtensionDisabled(*extension_id);
bool is_incognito_enabled = IsIncognitoEnabled(*extension_id);
value_map->RegisterExtension(
*extension_id, install_time, is_enabled, is_incognito_enabled);
FOR_EACH_OBSERVER(
ExtensionPrefsObserver,
observer_list_,
OnExtensionRegistered(*extension_id, install_time, is_enabled));
// Set regular extension controlled prefs.
LoadExtensionControlledPrefs(
this, value_map, *extension_id, kExtensionPrefsScopeRegular);
// Set incognito extension controlled prefs.
LoadExtensionControlledPrefs(this,
value_map,
*extension_id,
kExtensionPrefsScopeIncognitoPersistent);
// Set regular-only extension controlled prefs.
LoadExtensionControlledPrefs(
this, value_map, *extension_id, kExtensionPrefsScopeRegularOnly);
FOR_EACH_OBSERVER(ExtensionPrefsObserver,
observer_list_,
OnExtensionPrefsLoaded(*extension_id, this));
}
}
void ExtensionPrefs::FinishExtensionInfoPrefs(
const std::string& extension_id,
const base::Time install_time,
bool needs_sort_ordinal,
const syncer::StringOrdinal& suggested_page_ordinal,
base::DictionaryValue* extension_dict) {
// Reinitializes various preferences with empty dictionaries.
if (!extension_dict->HasKey(pref_names::kPrefPreferences)) {
extension_dict->Set(pref_names::kPrefPreferences,
new base::DictionaryValue);
}
if (!extension_dict->HasKey(pref_names::kPrefIncognitoPreferences)) {
extension_dict->Set(pref_names::kPrefIncognitoPreferences,
new base::DictionaryValue);
}
if (!extension_dict->HasKey(pref_names::kPrefRegularOnlyPreferences)) {
extension_dict->Set(pref_names::kPrefRegularOnlyPreferences,
new base::DictionaryValue);
}
if (!extension_dict->HasKey(pref_names::kPrefContentSettings))
extension_dict->Set(pref_names::kPrefContentSettings, new base::ListValue);
if (!extension_dict->HasKey(pref_names::kPrefIncognitoContentSettings)) {
extension_dict->Set(pref_names::kPrefIncognitoContentSettings,
new base::ListValue);
}
// If this point has been reached, any pending installs should be considered
// out of date.
extension_dict->Remove(kDelayedInstallInfo, NULL);
// Clear state that may be registered from a previous install.
extension_dict->Remove(EventRouter::kRegisteredEvents, NULL);
// FYI, all code below here races on sudden shutdown because |extension_dict|,
// |app_sorting|, |extension_pref_value_map_|, and (potentially) observers
// are updated non-transactionally. This is probably not fixable without
// nested transactional updates to pref dictionaries.
if (needs_sort_ordinal)
app_sorting()->EnsureValidOrdinals(extension_id, suggested_page_ordinal);
bool is_enabled = false;
int initial_state;
if (extension_dict->GetInteger(kPrefState, &initial_state)) {
is_enabled = initial_state == Extension::ENABLED;
}
bool is_incognito_enabled = IsIncognitoEnabled(extension_id);
extension_pref_value_map_->RegisterExtension(
extension_id, install_time, is_enabled, is_incognito_enabled);
FOR_EACH_OBSERVER(
ExtensionPrefsObserver,
observer_list_,
OnExtensionRegistered(extension_id, install_time, is_enabled));
}
} // namespace extensions