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// 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 "base/memory/scoped_ptr.h"
#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 base::Value* value : *list) {
scoped_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
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