| // Copyright 2013 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/common/manifest_handlers/kiosk_mode_info.h" |
| |
| #include <memory> |
| #include <set> |
| #include <string> |
| #include <utility> |
| |
| #include "base/strings/string_util.h" |
| #include "base/strings/utf_string_conversions.h" |
| #include "base/values.h" |
| #include "base/version.h" |
| #include "extensions/common/api/extensions_manifest_types.h" |
| #include "extensions/common/error_utils.h" |
| #include "extensions/common/features/behavior_feature.h" |
| #include "extensions/common/features/feature.h" |
| #include "extensions/common/features/feature_provider.h" |
| #include "extensions/common/manifest_constants.h" |
| |
| namespace extensions { |
| |
| namespace keys = manifest_keys; |
| |
| using api::extensions_manifest_types::KioskSecondaryAppsType; |
| |
| namespace { |
| |
| // Whether "enabled_on_launch" manifest property for the extension should be |
| // respected or not. If false, secondary apps that specify this property will |
| // be ignored. |
| bool AllowSecondaryAppEnabledOnLaunch(const Extension* extension) { |
| if (!extension) |
| return false; |
| |
| const Feature* feature = FeatureProvider::GetBehaviorFeatures()->GetFeature( |
| behavior_feature::kAllowSecondaryKioskAppEnabledOnLaunch); |
| if (!feature) |
| return false; |
| |
| return feature->IsAvailableToExtension(extension).is_available(); |
| } |
| |
| } // namespace |
| |
| SecondaryKioskAppInfo::SecondaryKioskAppInfo( |
| const extensions::ExtensionId& id, |
| const absl::optional<bool>& enabled_on_launch) |
| : id(id), enabled_on_launch(enabled_on_launch) {} |
| |
| SecondaryKioskAppInfo::SecondaryKioskAppInfo( |
| const SecondaryKioskAppInfo& other) = default; |
| |
| SecondaryKioskAppInfo::~SecondaryKioskAppInfo() = default; |
| |
| KioskModeInfo::KioskModeInfo( |
| KioskStatus kiosk_status, |
| std::vector<SecondaryKioskAppInfo>&& secondary_apps, |
| const std::string& required_platform_version, |
| bool always_update) |
| : kiosk_status(kiosk_status), |
| secondary_apps(std::move(secondary_apps)), |
| required_platform_version(required_platform_version), |
| always_update(always_update) {} |
| |
| KioskModeInfo::~KioskModeInfo() { |
| } |
| |
| // static |
| KioskModeInfo* KioskModeInfo::Get(const Extension* extension) { |
| return static_cast<KioskModeInfo*>( |
| extension->GetManifestData(keys::kKioskMode)); |
| } |
| |
| // static |
| bool KioskModeInfo::IsKioskEnabled(const Extension* extension) { |
| KioskModeInfo* info = Get(extension); |
| return info ? info->kiosk_status != NONE : false; |
| } |
| |
| // static |
| bool KioskModeInfo::IsKioskOnly(const Extension* extension) { |
| KioskModeInfo* info = Get(extension); |
| return info ? info->kiosk_status == ONLY : false; |
| } |
| |
| // static |
| bool KioskModeInfo::HasSecondaryApps(const Extension* extension) { |
| KioskModeInfo* info = Get(extension); |
| return info && !info->secondary_apps.empty(); |
| } |
| |
| // static |
| bool KioskModeInfo::IsValidPlatformVersion(const std::string& version_string) { |
| const base::Version version(version_string); |
| return version.IsValid() && version.components().size() <= 3u; |
| } |
| |
| KioskModeHandler::KioskModeHandler() { |
| } |
| |
| KioskModeHandler::~KioskModeHandler() { |
| } |
| |
| bool KioskModeHandler::Parse(Extension* extension, std::u16string* error) { |
| const Manifest* manifest = extension->manifest(); |
| DCHECK(manifest->HasKey(keys::kKioskEnabled) || |
| manifest->HasKey(keys::kKioskOnly)); |
| |
| bool kiosk_enabled = false; |
| if (manifest->HasKey(keys::kKioskEnabled) && |
| !manifest->GetBoolean(keys::kKioskEnabled, &kiosk_enabled)) { |
| *error = base::ASCIIToUTF16(manifest_errors::kInvalidKioskEnabled); |
| return false; |
| } |
| |
| bool kiosk_only = false; |
| if (manifest->HasKey(keys::kKioskOnly) && |
| !manifest->GetBoolean(keys::kKioskOnly, &kiosk_only)) { |
| *error = base::ASCIIToUTF16(manifest_errors::kInvalidKioskOnly); |
| return false; |
| } |
| |
| if (kiosk_only && !kiosk_enabled) { |
| *error = base::ASCIIToUTF16( |
| manifest_errors::kInvalidKioskOnlyButNotEnabled); |
| return false; |
| } |
| |
| KioskModeInfo::KioskStatus kiosk_status = KioskModeInfo::NONE; |
| if (kiosk_enabled) |
| kiosk_status = kiosk_only ? KioskModeInfo::ONLY : KioskModeInfo::ENABLED; |
| |
| // Kiosk secondary apps key is optional. |
| std::vector<SecondaryKioskAppInfo> secondary_apps; |
| std::set<std::string> secondary_app_ids; |
| if (manifest->HasKey(keys::kKioskSecondaryApps)) { |
| const base::Value* secondary_apps_value = nullptr; |
| if (!manifest->GetList(keys::kKioskSecondaryApps, &secondary_apps_value)) { |
| *error = base::ASCIIToUTF16(manifest_errors::kInvalidKioskSecondaryApps); |
| return false; |
| } |
| |
| const bool allow_enabled_on_launch = |
| AllowSecondaryAppEnabledOnLaunch(extension); |
| |
| for (const auto& value : secondary_apps_value->GetList()) { |
| std::unique_ptr<KioskSecondaryAppsType> app = |
| KioskSecondaryAppsType::FromValue(value, error); |
| if (!app) { |
| *error = base::ASCIIToUTF16( |
| manifest_errors::kInvalidKioskSecondaryAppsBadAppEntry); |
| return false; |
| } |
| |
| if (secondary_app_ids.count(app->id)) { |
| *error = ErrorUtils::FormatErrorMessageUTF16( |
| manifest_errors::kInvalidKioskSecondaryAppsDuplicateApp, app->id); |
| return false; |
| } |
| |
| if (app->enabled_on_launch && !allow_enabled_on_launch) { |
| *error = ErrorUtils::FormatErrorMessageUTF16( |
| manifest_errors::kInvalidKioskSecondaryAppsPropertyUnavailable, |
| "enabled_on_launch", app->id); |
| return false; |
| } |
| |
| absl::optional<bool> enabled_on_launch; |
| if (app->enabled_on_launch) |
| enabled_on_launch = *app->enabled_on_launch; |
| |
| secondary_apps.emplace_back(app->id, enabled_on_launch); |
| secondary_app_ids.insert(app->id); |
| } |
| } |
| |
| // Optional kiosk.required_platform_version key. |
| std::string required_platform_version; |
| if (manifest->HasPath(keys::kKioskRequiredPlatformVersion) && |
| (!manifest->GetString(keys::kKioskRequiredPlatformVersion, |
| &required_platform_version) || |
| !KioskModeInfo::IsValidPlatformVersion(required_platform_version))) { |
| *error = base::ASCIIToUTF16( |
| manifest_errors::kInvalidKioskRequiredPlatformVersion); |
| return false; |
| } |
| |
| // Optional kiosk.always_update key. |
| bool always_update = false; |
| if (manifest->HasPath(keys::kKioskAlwaysUpdate) && |
| !manifest->GetBoolean(keys::kKioskAlwaysUpdate, &always_update)) { |
| *error = base::ASCIIToUTF16(manifest_errors::kInvalidKioskAlwaysUpdate); |
| return false; |
| } |
| |
| extension->SetManifestData(keys::kKioskMode, |
| std::make_unique<KioskModeInfo>( |
| kiosk_status, std::move(secondary_apps), |
| required_platform_version, always_update)); |
| |
| return true; |
| } |
| |
| base::span<const char* const> KioskModeHandler::Keys() const { |
| static constexpr const char* kKeys[] = {keys::kKiosk, keys::kKioskEnabled, |
| keys::kKioskOnly, |
| keys::kKioskSecondaryApps}; |
| return kKeys; |
| } |
| |
| } // namespace extensions |