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// Copyright 2016 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/ash/arc/policy/arc_policy_util.h"
#include <memory>
#include "ash/constants/ash_switches.h"
#include "base/command_line.h"
#include "base/json/json_reader.h"
#include "base/logging.h"
#include "base/metrics/histogram_macros.h"
#include "chrome/browser/ash/policy/handlers/configuration_policy_handler_ash.h"
#include "chrome/browser/policy/profile_policy_connector.h"
#include "chrome/browser/profiles/profile.h"
#include "chromeos/ash/experiences/arc/arc_prefs.h"
#include "components/policy/core/common/policy_map.h"
#include "components/policy/policy_constants.h"
#include "components/policy/proto/cloud_policy.pb.h"
#include "components/prefs/pref_value_map.h"
namespace arc {
namespace policy_util {
namespace {
// Constants used to parse ARC++ JSON policy.
constexpr char kApplicationsKey[] = "applications";
constexpr char kInstallTypeKey[] = "installType";
constexpr char kPackageNameKey[] = "packageName";
constexpr char kInstallTypeRequired[] = "REQUIRED";
constexpr char kInstallTypeForceInstalled[] = "FORCE_INSTALLED";
} // namespace
bool IsAccountManaged(const Profile* profile) {
return profile->GetProfilePolicyConnector()->IsManaged();
}
bool IsArcDisabledForEnterprise() {
return base::CommandLine::ForCurrentProcess()->HasSwitch(
ash::switches::kEnterpriseDisableArc);
}
std::set<std::string> GetRequestedPackagesFromArcPolicy(
const std::string& arc_policy) {
std::optional<base::Value> dict = ParsePolicyJson(arc_policy);
if (!dict.has_value() || !dict.value().is_dict()) {
return {};
}
std::map<std::string, std::set<std::string>> install_type_map =
CreateInstallTypeMap(dict.value());
std::set<std::string> required_packages =
install_type_map[kInstallTypeRequired];
std::set<std::string> force_installed_packages =
install_type_map[kInstallTypeForceInstalled];
// Only required and force installed packages are considered "requested"
std::set<std::string> requested_packages;
requested_packages.insert(required_packages.begin(), required_packages.end());
requested_packages.insert(force_installed_packages.begin(),
force_installed_packages.end());
return requested_packages;
}
void RecordPolicyMetrics(const std::string& arc_policy) {
std::optional<base::Value> dict = ParsePolicyJson(arc_policy);
if (!dict.has_value() || !dict.value().is_dict()) {
return;
}
for (const auto it : dict.value().GetDict()) {
std::optional<ArcPolicyKey> key = GetPolicyKeyFromString(it.first);
if (key.has_value()) {
UMA_HISTOGRAM_ENUMERATION("Arc.Policy.Keys", key.value());
}
}
std::map<std::string, std::set<std::string>> install_type_map =
CreateInstallTypeMap(dict.value());
for (auto& it : install_type_map) {
InstallType install_type_enum = GetInstallTypeEnumFromString(it.first);
UMA_HISTOGRAM_ENUMERATION("Arc.Policy.InstallTypesOnDevice",
install_type_enum);
}
}
std::optional<base::Value> ParsePolicyJson(const std::string& arc_policy) {
return base::JSONReader::Read(
arc_policy, base::JSONParserOptions::JSON_ALLOW_TRAILING_COMMAS);
}
std::map<std::string, std::set<std::string>> CreateInstallTypeMap(
const base::Value& dict) {
const base::Value::List* const packages =
dict.GetDict().FindList(kApplicationsKey);
if (!packages)
return {};
std::map<std::string, std::set<std::string>> install_type_map;
for (const auto& package : *packages) {
const base::Value::Dict* package_dict = package.GetIfDict();
if (!package_dict) {
continue;
}
const std::string* const install_type =
package_dict->FindString(kInstallTypeKey);
if (!install_type)
continue;
const std::string* const package_name =
package_dict->FindString(kPackageNameKey);
if (!package_name || package_name->empty()) {
continue;
}
install_type_map[*install_type].insert(*package_name);
}
return install_type_map;
}
std::optional<ArcPolicyKey> GetPolicyKeyFromString(
const std::string& policy_key) {
if (policy_key == kArcPolicyKeyAvailableAppSetPolicyDeprecated ||
policy_key == kArcPolicyKeyWorkAccountAppWhitelistDeprecated ||
policy_key == kArcPolicyKeyGuid ||
policy_key == kArcPolicyKeyMountPhysicalMediaDisabled ||
policy_key == kArcPolicyKeyDpsInteractionsDisabled) {
// Ignore keys that are always set or represent server side flags.
return std::nullopt;
}
if (policy_key == kArcPolicyKeyAccountTypesWithManagementDisabled) {
return ArcPolicyKey::kAccountTypesWithManagementDisabled;
} else if (policy_key == kArcPolicyKeyAlwaysOnVpnPackage) {
return ArcPolicyKey::kAlwaysOnVpnPackage;
} else if (policy_key == kArcPolicyKeyApplications) {
return ArcPolicyKey::kApplications;
} else if (policy_key == kArcPolicyKeyComplianceRules) {
return ArcPolicyKey::kComplianceRules;
} else if (policy_key == kArcPolicyKeyInstallUnknownSourcesDisabled) {
return ArcPolicyKey::kInstallUnknownSourcesDisabled;
} else if (policy_key == kArcPolicyKeyMaintenanceWindow) {
return ArcPolicyKey::kMaintenanceWindow;
} else if (policy_key == kArcPolicyKeyModifyAccountsDisabled) {
return ArcPolicyKey::kModifyAccountsDisabled;
} else if (policy_key == kArcPolicyKeyPermissionGrants) {
return ArcPolicyKey::kPermissionGrants;
} else if (policy_key == kArcPolicyKeyPermittedAccessibilityServices) {
return ArcPolicyKey::kPermittedAccessibilityServices;
} else if (policy_key == kArcPolicyKeyPlayStoreMode) {
return ArcPolicyKey::kPlayStoreMode;
} else if (policy_key == kArcPolicyKeyShortSupportMessage) {
return ArcPolicyKey::kShortSupportMessage;
} else if (policy_key == kArcPolicyKeyStatusReportingSettings) {
return ArcPolicyKey::kStatusReportingSettings;
} else if (policy_key == kArcPolicyKeyApkCacheEnabled) {
return ArcPolicyKey::kApkCacheEnabled;
} else if (policy_key == kArcPolicyKeyDebuggingFeaturesDisabled) {
return ArcPolicyKey::kDebuggingFeaturesDisabled;
} else if (policy_key == kArcPolicyKeyCameraDisabled) {
return ArcPolicyKey::kCameraDisabled;
} else if (policy_key == kArcPolicyKeyPrintingDisabled) {
return ArcPolicyKey::kPrintingDisabled;
} else if (policy_key == kArcPolicyKeyScreenCaptureDisabled) {
return ArcPolicyKey::kScreenCaptureDisabled;
} else if (policy_key == kArcPolicyKeyShareLocationDisabled) {
return ArcPolicyKey::kShareLocationDisabled;
} else if (policy_key == kArcPolicyKeyUnmuteMicrophoneDisabled) {
return ArcPolicyKey::kUnmuteMicrophoneDisabled;
} else if (policy_key == kArcPolicyKeySetWallpaperDisabled) {
return ArcPolicyKey::kSetWallpaperDisabled;
} else if (policy_key == kArcPolicyKeyVpnConfigDisabled) {
return ArcPolicyKey::kVpnConfigDisabled;
} else if (policy_key == kArcPolicyKeyPrivateKeySelectionEnabled) {
return ArcPolicyKey::kPrivateKeySelectionEnabled;
} else if (policy_key == kArcPolicyKeyChoosePrivateKeyRules) {
return ArcPolicyKey::kChoosePrivateKeyRules;
} else if (policy_key == kArcPolicyKeyCredentialsConfigDisabled) {
return ArcPolicyKey::kCredentialsConfigDisabled;
} else if (policy_key == kArcPolicyKeyCaCerts) {
return ArcPolicyKey::kCaCerts;
} else if (policy_key == kArcPolicyKeyRequiredKeyPairs) {
return ArcPolicyKey::kRequiredKeyPairs;
} else if (policy_key == kArcPolicyKeyEnabledSystemAppPackageNames) {
return ArcPolicyKey::kEnabledSystemAppPackageNames;
}
LOG(WARNING) << "Unknown policy key: " << policy_key;
return ArcPolicyKey::kUnknown;
}
InstallType GetInstallTypeEnumFromString(const std::string& install_type) {
if (install_type == "OPTIONAL") {
return InstallType::kOptional;
} else if (install_type == "REQUIRED") {
return InstallType::kRequired;
} else if (install_type == "PRELOAD") {
return InstallType::kPreload;
} else if (install_type == "FORCE_INSTALLED") {
return InstallType::kForceInstalled;
} else if (install_type == "BLOCKED") {
return InstallType::kBlocked;
} else if (install_type == "AVAILABLE") {
return InstallType::kAvailable;
} else if (install_type == "REQUIRED_FOR_SETUP") {
return InstallType::kRequiredForSetup;
} else if (install_type == "KIOSK") {
return InstallType::kKiosk;
}
LOG(WARNING) << "Unknown app install type in the policy: " << install_type;
return InstallType::kUnknown;
}
} // namespace policy_util
} // namespace arc
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