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// Copyright 2025 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/ui/safety_hub/unused_site_permissions_manager.h"
#include <utility>
#include "base/check.h"
#include "base/logging.h"
#include "base/metrics/histogram_functions.h"
#include "base/strings/string_number_conversions.h"
#include "base/values.h"
#include "chrome/browser/ui/safety_hub/safety_hub_prefs.h"
#include "components/content_settings/core/browser/website_settings_registry.h"
#include "components/content_settings/core/common/content_settings_constraints.h"
#include "components/content_settings/core/common/content_settings_pattern.h"
#include "components/content_settings/core/common/content_settings_types.h"
#include "components/permissions/constants.h"
#include "components/prefs/pref_service.h"
#include "content/public/browser/browser_thread.h"
#include "url/gurl.h"
#include "url/origin.h"
namespace {
constexpr char kUnknownContentSettingsType[] = "unknown";
base::Value::List ConvertContentSettingsIntValuesToString(
const base::Value::List& content_settings_values_list,
bool* successful_migration) {
base::Value::List string_value_list;
for (const base::Value& setting_value : content_settings_values_list) {
if (setting_value.is_int()) {
int setting_int = setting_value.GetInt();
auto setting_name =
UnusedSitePermissionsManager::ConvertContentSettingsTypeToKey(
static_cast<ContentSettingsType>(setting_int));
if (setting_name == kUnknownContentSettingsType) {
*successful_migration = false;
string_value_list.Append(setting_value.GetInt());
} else {
string_value_list.Append(setting_name);
}
} else {
DCHECK(setting_value.is_string());
// Store string group name values.
string_value_list.Append(setting_value.GetString());
}
}
return string_value_list;
}
base::Value::Dict ConvertChooserContentSettingsIntValuesToString(
const base::Value::Dict& chooser_content_settings_values_dict) {
base::Value::Dict string_keyed_dict;
for (const auto [key, value] : chooser_content_settings_values_dict) {
int number = -1;
base::StringToInt(key, &number);
// If number conversion fails it returns 0 which is not a chooser permission
// enum value so it will not clash with the conversion.
if (number == 0) {
// Store string keyed values as is.
string_keyed_dict.Set(key, value.GetDict().Clone());
} else {
string_keyed_dict.Set(
UnusedSitePermissionsManager::ConvertContentSettingsTypeToKey(
static_cast<ContentSettingsType>(number)),
value.GetDict().Clone());
}
}
return string_keyed_dict;
}
} // namespace
// static
std::string UnusedSitePermissionsManager::ConvertContentSettingsTypeToKey(
ContentSettingsType type) {
auto* website_setting_registry =
content_settings::WebsiteSettingsRegistry::GetInstance();
DCHECK(website_setting_registry);
auto* website_settings_info = website_setting_registry->Get(type);
if (!website_settings_info) {
auto integer_type = static_cast<int32_t>(type);
DVLOG(1) << "Couldn't retrieve website settings info entry from the "
"registry for type: "
<< integer_type;
base::UmaHistogramSparse(
"Settings.SafetyCheck.UnusedSitePermissionsMigrationFail",
integer_type);
return kUnknownContentSettingsType;
}
return website_settings_info->name();
}
// static
ContentSettingsType
UnusedSitePermissionsManager::ConvertKeyToContentSettingsType(
const std::string& key) {
auto* website_setting_registry =
content_settings::WebsiteSettingsRegistry::GetInstance();
return website_setting_registry->GetByName(key)->type();
}
// static
url::Origin UnusedSitePermissionsManager::ConvertPrimaryPatternToOrigin(
const ContentSettingsPattern& primary_pattern) {
GURL origin_url = GURL(primary_pattern.ToString());
CHECK(origin_url.is_valid());
return url::Origin::Create(origin_url);
}
UnusedSitePermissionsManager::UnusedSitePermissionsManager(
content::BrowserContext* browser_context,
PrefService* prefs)
: browser_context_(browser_context) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
DCHECK(browser_context_);
pref_change_registrar_ = std::make_unique<PrefChangeRegistrar>();
pref_change_registrar_->Init(prefs);
bool migration_completed = pref_change_registrar_->prefs()->GetBoolean(
safety_hub_prefs::kUnusedSitePermissionsRevocationMigrationCompleted);
if (!migration_completed) {
// Convert all integer permission values to string, if there is any
// permission represented by integer stored in disk.
// TODO(crbug.com/415227458): Clean up this migration after some milestones.
UpdateIntegerValuesToGroupName();
}
}
UnusedSitePermissionsManager::~UnusedSitePermissionsManager() = default;
void UnusedSitePermissionsManager::UpdateIntegerValuesToGroupName() {
ContentSettingsForOneType settings = hcsm()->GetSettingsForOneType(
ContentSettingsType::REVOKED_UNUSED_SITE_PERMISSIONS);
bool successful_migration = true;
for (const auto& revoked_permissions : settings) {
const base::Value& stored_value = revoked_permissions.setting_value;
DCHECK(stored_value.is_dict());
base::Value updated_dict(stored_value.Clone());
const base::Value::List* permission_value_list =
stored_value.GetDict().FindList(permissions::kRevokedKey);
if (permission_value_list) {
base::Value::List updated_permission_value_list =
ConvertContentSettingsIntValuesToString(
permission_value_list->Clone(), &successful_migration);
updated_dict.GetDict().Set(permissions::kRevokedKey,
std::move(updated_permission_value_list));
}
const base::Value::Dict* chooser_permission_value_dict =
stored_value.GetDict().FindDict(
permissions::kRevokedChooserPermissionsKey);
if (chooser_permission_value_dict) {
base::Value::Dict updated_chooser_permission_value_dict =
ConvertChooserContentSettingsIntValuesToString(
chooser_permission_value_dict->Clone());
updated_dict.GetDict().Set(
permissions::kRevokedChooserPermissionsKey,
std::move(updated_chooser_permission_value_dict));
}
// Create a new constraint with the old creation time of the original
// exception.
base::Time creation_time = revoked_permissions.metadata.expiration() -
revoked_permissions.metadata.lifetime();
content_settings::ContentSettingConstraints constraints(creation_time);
constraints.set_lifetime(revoked_permissions.metadata.lifetime());
hcsm()->SetWebsiteSettingCustomScope(
revoked_permissions.primary_pattern,
revoked_permissions.secondary_pattern,
ContentSettingsType::REVOKED_UNUSED_SITE_PERMISSIONS,
std::move(updated_dict), constraints);
}
if (successful_migration) {
pref_change_registrar_->prefs()->SetBoolean(
safety_hub_prefs::kUnusedSitePermissionsRevocationMigrationCompleted,
true);
}
}
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