| // 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 "base/strings/string16.h" |
| #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/manifest_constants.h" |
| |
| namespace extensions { |
| |
| namespace keys = manifest_keys; |
| |
| using api::extensions_manifest_types::KioskSecondaryAppsType; |
| |
| KioskModeInfo::KioskModeInfo(KioskStatus kiosk_status, |
| const std::vector<std::string>& secondary_app_ids, |
| const std::string& required_platform_version) |
| : kiosk_status(kiosk_status), |
| secondary_app_ids(secondary_app_ids), |
| required_platform_version(required_platform_version) {} |
| |
| 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_app_ids.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() { |
| supported_keys_.push_back(keys::kKiosk); |
| supported_keys_.push_back(keys::kKioskEnabled); |
| supported_keys_.push_back(keys::kKioskOnly); |
| supported_keys_.push_back(keys::kKioskSecondaryApps); |
| } |
| |
| KioskModeHandler::~KioskModeHandler() { |
| } |
| |
| bool KioskModeHandler::Parse(Extension* extension, base::string16* 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; |
| } |
| |
| // All other use cases should be already filtered out by manifest feature |
| // checks. |
| DCHECK(extension->is_platform_app()); |
| |
| 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<std::string> ids; |
| if (manifest->HasKey(keys::kKioskSecondaryApps)) { |
| const base::Value* secondary_apps = nullptr; |
| const base::ListValue* list = nullptr; |
| if (!manifest->Get(keys::kKioskSecondaryApps, &secondary_apps) || |
| !secondary_apps->GetAsList(&list)) { |
| *error = base::ASCIIToUTF16(manifest_errors::kInvalidKioskSecondaryApps); |
| return false; |
| } |
| |
| for (const auto& value : *list) { |
| std::unique_ptr<KioskSecondaryAppsType> app = |
| KioskSecondaryAppsType::FromValue(*value, error); |
| if (!app) { |
| *error = base::ASCIIToUTF16( |
| manifest_errors::kInvalidKioskSecondaryAppsBadAppId); |
| return false; |
| } |
| ids.push_back(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; |
| } |
| |
| extension->SetManifestData( |
| keys::kKioskMode, |
| new KioskModeInfo(kiosk_status, ids, required_platform_version)); |
| |
| return true; |
| } |
| |
| const std::vector<std::string> KioskModeHandler::Keys() const { |
| return supported_keys_; |
| } |
| |
| } // namespace extensions |