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// Copyright 2018 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/plugin_vm/plugin_vm_util.h"
#include <string>
#include <utility>
#include "base/files/file_util.h"
#include "base/functional/bind.h"
#include "base/no_destructor.h"
#include "base/observer_list.h"
#include "base/strings/pattern.h"
#include "base/strings/string_util.h"
#include "base/task/thread_pool.h"
#include "chrome/browser/ash/plugin_vm/plugin_vm_drive_image_download_service.h"
#include "chrome/browser/ash/plugin_vm/plugin_vm_features.h"
#include "chrome/browser/ash/plugin_vm/plugin_vm_installer_factory.h"
#include "chrome/browser/ash/plugin_vm/plugin_vm_manager.h"
#include "chrome/browser/ash/plugin_vm/plugin_vm_manager_factory.h"
#include "chrome/browser/ash/plugin_vm/plugin_vm_pref_names.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/ui/ash/shelf/chrome_shelf_controller.h"
#include "chromeos/ash/components/dbus/dlcservice/dlcservice_client.h"
#include "chromeos/ash/components/settings/cros_settings.h"
#include "components/exo/shell_surface_util.h"
#include "components/prefs/pref_service.h"
#include "components/prefs/scoped_user_pref_update.h"
#include "net/base/url_util.h"
namespace plugin_vm {
const char kPitaDlc[] = "pita";
const char kPluginVmShelfAppId[] = "lgjpclljbbmphhnalkeplcmnjpfmmaek";
const char kPluginVmName[] = "PvmDefault";
const char kChromeOSBaseDirectoryDisplayText[] = "Network \u203a ChromeOS";
const char kPluginVmWindowId[] = "org.chromium.plugin_vm_ui";
namespace {
static std::string& MutableFakeLicenseKey() {
static base::NoDestructor<std::string> license_key;
return *license_key;
}
base::RepeatingClosureList& GetFakeLicenseKeyListeners() {
static base::NoDestructor<base::RepeatingClosureList> instance;
return *instance;
}
} // namespace
bool IsPluginVmRunning(Profile* profile) {
return plugin_vm::PluginVmManagerFactory::GetForProfile(profile)
->vm_state() ==
vm_tools::plugin_dispatcher::VmState::VM_STATE_RUNNING &&
ChromeShelfController::instance()->IsOpen(
ash::ShelfID(kPluginVmShelfAppId));
}
bool IsPluginVmAppWindow(const aura::Window* window) {
const std::string* app_id = exo::GetShellApplicationId(window);
if (!app_id)
return false;
return *app_id == "org.chromium.plugin_vm_ui";
}
std::string GetPluginVmUserIdForProfile(const Profile* profile) {
DCHECK(profile);
return profile->GetPrefs()->GetString(plugin_vm::prefs::kPluginVmUserId);
}
void SetFakePluginVmPolicy(Profile* profile,
const std::string& image_url,
const std::string& image_hash,
const std::string& license_key) {
ScopedDictPrefUpdate update(profile->GetPrefs(),
plugin_vm::prefs::kPluginVmImage);
base::Value::Dict& dict = update.Get();
dict.SetByDottedPath(prefs::kPluginVmImageUrlKeyName, image_url);
dict.SetByDottedPath(prefs::kPluginVmImageHashKeyName, image_hash);
plugin_vm::PluginVmInstallerFactory::GetForProfile(profile)
->SkipLicenseCheckForTesting(); // IN-TEST
MutableFakeLicenseKey() = license_key;
GetFakeLicenseKeyListeners().Notify();
}
std::string GetFakeLicenseKey() {
return MutableFakeLicenseKey();
}
bool FakeLicenseKeyIsSet() {
return !MutableFakeLicenseKey().empty();
}
void RemoveDriveDownloadDirectoryIfExists() {
auto log_file_deletion_if_failed = [](bool success) {
if (!success) {
LOG(ERROR) << "PluginVM failed to delete download directory";
}
};
base::ThreadPool::PostTaskAndReplyWithResult(
FROM_HERE, {base::MayBlock(), base::TaskPriority::BEST_EFFORT},
base::BindOnce(&base::DeletePathRecursively,
base::FilePath(kPluginVmDriveDownloadDirectory)),
base::BindOnce(std::move(log_file_deletion_if_failed)));
}
std::optional<std::string> GetIdFromDriveUrl(const GURL& url) {
const std::string& spec = url.spec();
const std::string kOpenUrlBase = "https://drive.google.com/open?";
if (base::StartsWith(spec, kOpenUrlBase,
base::CompareCase::INSENSITIVE_ASCII)) {
// e.g. https://drive.google.com/open?id=[ID]
std::string id;
if (!net::GetValueForKeyInQuery(url, "id", &id))
return std::nullopt;
return id;
}
// These will match some invalid URLs, which is fine.
const std::string kViewUrlPatternWithDomain =
"https://drive.google.com/a/*/file/d/*/view*";
const std::string kViewUrlPatternWithoutDomain =
"https://drive.google.com/file/d/*/view*";
if (base::MatchPattern(spec, kViewUrlPatternWithDomain) ||
base::MatchPattern(spec, kViewUrlPatternWithoutDomain)) {
// e.g. https://drive.google.com/a/example.org/file/d/[ID]/view?usp=sharing
// or https://drive.google.com/file/d/[ID]/view?usp=sharing
size_t id_end = spec.find("/view");
size_t id_start = spec.rfind('/', id_end - 1) + 1;
return spec.substr(id_start, id_end - id_start);
}
return std::nullopt;
}
bool IsPluginvmWindowId(const std::string& window_id) {
return base::StartsWith(window_id, kPluginVmWindowId);
}
PluginVmAvailabilitySubscription::PluginVmAvailabilitySubscription(
Profile* profile,
AvailabilityChangeCallback callback)
: profile_(profile), callback_(callback) {
DCHECK(ash::CrosSettings::IsInitialized());
ash::CrosSettings* cros_settings = ash::CrosSettings::Get();
// Subscriptions are automatically removed when this object is destroyed.
pref_change_registrar_ = std::make_unique<PrefChangeRegistrar>();
pref_change_registrar_->Init(profile->GetPrefs());
pref_change_registrar_->Add(
plugin_vm::prefs::kPluginVmAllowed,
base::BindRepeating(&PluginVmAvailabilitySubscription::OnPolicyChanged,
base::Unretained(this)));
pref_change_registrar_->Add(
plugin_vm::prefs::kPluginVmUserId,
base::BindRepeating(&PluginVmAvailabilitySubscription::OnPolicyChanged,
base::Unretained(this)));
pref_change_registrar_->Add(
plugin_vm::prefs::kPluginVmImageExists,
base::BindRepeating(
&PluginVmAvailabilitySubscription::OnImageExistsChanged,
base::Unretained(this)));
device_allowed_subscription_ = cros_settings->AddSettingsObserver(
ash::kPluginVmAllowed,
base::BindRepeating(&PluginVmAvailabilitySubscription::OnPolicyChanged,
base::Unretained(this)));
fake_license_subscription_ = GetFakeLicenseKeyListeners().Add(
base::BindRepeating(&PluginVmAvailabilitySubscription::OnPolicyChanged,
base::Unretained(this)));
is_allowed_ = PluginVmFeatures::Get()->IsAllowed(profile);
is_configured_ = PluginVmFeatures::Get()->IsConfigured(profile_);
}
void PluginVmAvailabilitySubscription::OnPolicyChanged() {
bool allowed = PluginVmFeatures::Get()->IsAllowed(profile_);
if (allowed != is_allowed_) {
is_allowed_ = allowed;
callback_.Run(is_allowed_, is_configured_);
}
}
void PluginVmAvailabilitySubscription::OnImageExistsChanged() {
bool configured = PluginVmFeatures::Get()->IsConfigured(profile_);
if (configured != is_configured_) {
is_configured_ = configured;
callback_.Run(is_allowed_, is_configured_);
}
}
PluginVmAvailabilitySubscription::~PluginVmAvailabilitySubscription() = default;
} // namespace plugin_vm
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