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// Copyright 2020 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/supervised_user/supervised_user_extensions_delegate_impl.h"
#include <utility>
#include "base/functional/bind.h"
#include "base/task/single_thread_task_runner.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/supervised_user/extension_icon_loader.h"
#include "chrome/browser/supervised_user/supervised_user_browser_utils.h"
#include "chrome/browser/supervised_user/supervised_user_extensions_manager.h"
#include "chrome/browser/supervised_user/supervised_user_extensions_metrics_recorder.h"
#include "chrome/browser/supervised_user/supervised_user_service_factory.h"
#include "chrome/browser/ui/extensions/extensions_dialogs.h"
#include "chrome/browser/ui/supervised_user/parent_permission_dialog.h"
#include "components/prefs/pref_service.h"
#include "components/supervised_user/core/common/features.h"
#include "components/supervised_user/core/common/pref_names.h"
#include "content/public/browser/web_contents.h"
#include "extensions/browser/extension_dialog_auto_confirm.h"
#include "ui/gfx/image/image_skia.h"
#include "ui/gfx/native_widget_types.h"
namespace {
void OnParentPermissionDialogComplete(
extensions::SupervisedUserExtensionsDelegate::ExtensionApprovalDoneCallback
delegate_done_callback,
ParentPermissionDialog::Result result) {
switch (result) {
case ParentPermissionDialog::Result::kParentPermissionReceived:
std::move(delegate_done_callback)
.Run(extensions::SupervisedUserExtensionsDelegate::
ExtensionApprovalResult::kApproved);
break;
case ParentPermissionDialog::Result::kParentPermissionCanceled:
std::move(delegate_done_callback)
.Run(extensions::SupervisedUserExtensionsDelegate::
ExtensionApprovalResult::kCanceled);
break;
case ParentPermissionDialog::Result::kParentPermissionFailed:
std::move(delegate_done_callback)
.Run(extensions::SupervisedUserExtensionsDelegate::
ExtensionApprovalResult::kFailed);
break;
}
}
} // namespace
namespace extensions {
SupervisedUserExtensionsDelegateImpl::SupervisedUserExtensionsDelegateImpl(
content::BrowserContext* browser_context)
: context_(browser_context), extensions_manager_(context_) {
CHECK(context_);
}
SupervisedUserExtensionsDelegateImpl::~SupervisedUserExtensionsDelegateImpl() =
default;
void SupervisedUserExtensionsDelegateImpl::
UpdateManagementPolicyRegistration() {
extensions_manager_.UpdateManagementPolicyRegistration();
}
bool SupervisedUserExtensionsDelegateImpl::IsChild() const {
auto* profile = Profile::FromBrowserContext(context_);
return profile && supervised_user::AreExtensionsPermissionsEnabled(profile);
}
bool SupervisedUserExtensionsDelegateImpl::IsExtensionAllowedByParent(
const Extension& extension) const {
return extensions_manager_.IsExtensionAllowed(extension);
}
void SupervisedUserExtensionsDelegateImpl::RequestToAddExtensionOrShowError(
const Extension& extension,
content::WebContents* web_contents,
const gfx::ImageSkia& icon,
SupervisedUserExtensionParentApprovalEntryPoint
extension_approval_entry_point,
ExtensionApprovalDoneCallback extension_approval_callback) {
CHECK(IsChild());
done_callback_ = std::move(extension_approval_callback);
RequestExtensionApproval(extension, web_contents->GetWeakPtr(),
extension_approval_entry_point, icon);
}
void SupervisedUserExtensionsDelegateImpl::RequestToEnableExtensionOrShowError(
const Extension& extension,
content::WebContents* web_contents,
SupervisedUserExtensionParentApprovalEntryPoint
extension_approval_entry_point,
ExtensionApprovalDoneCallback extension_approval_callback) {
CHECK(IsChild());
CHECK(!IsExtensionAllowedByParent(extension));
done_callback_ = std::move(extension_approval_callback);
// Fetch icon from local resources and then show enable flow.
auto icon_callback = base::BindOnce(
&SupervisedUserExtensionsDelegateImpl::RequestExtensionApproval,
base::Unretained(this), std::cref(extension),
web_contents ? std::make_optional(web_contents->GetWeakPtr())
: std::nullopt,
extension_approval_entry_point);
icon_loader_ = std::make_unique<ExtensionIconLoader>();
icon_loader_->Load(extension, context_, std::move(icon_callback));
}
bool SupervisedUserExtensionsDelegateImpl::CanInstallExtensions() const {
return extensions_manager_.CanInstallExtensions();
}
void SupervisedUserExtensionsDelegateImpl::AddExtensionApproval(
const extensions::Extension& extension) {
extensions_manager_.AddExtensionApproval(extension);
}
void SupervisedUserExtensionsDelegateImpl::MaybeRecordPermissionsIncreaseMetrics(
const extensions::Extension& extension) {
extensions_manager_.MaybeRecordPermissionsIncreaseMetrics(extension);
}
void SupervisedUserExtensionsDelegateImpl::RemoveExtensionApproval(
const extensions::Extension& extension) {
extensions_manager_.RemoveExtensionApproval(extension);
}
void SupervisedUserExtensionsDelegateImpl::RecordExtensionEnablementUmaMetrics(
bool enabled) const {
extensions_manager_.RecordExtensionEnablementUmaMetrics(enabled);
}
void SupervisedUserExtensionsDelegateImpl::
ShowParentPermissionDialogForExtension(
const Extension& extension,
content::WebContents* contents,
const gfx::ImageSkia& icon,
SupervisedUserExtensionParentApprovalEntryPoint
extension_approval_entry_point) {
ParentPermissionDialog::DoneCallback inner_done_callback = base::BindOnce(
&::OnParentPermissionDialogComplete, std::move(done_callback_));
gfx::NativeWindow parent_window =
contents ? contents->GetTopLevelNativeWindow() : gfx::NativeWindow();
parent_permission_dialog_ =
ParentPermissionDialog::CreateParentPermissionDialogForExtension(
Profile::FromBrowserContext(context_), parent_window, icon,
&extension, extension_approval_entry_point,
std::move(inner_done_callback));
parent_permission_dialog_->ShowDialog();
}
void SupervisedUserExtensionsDelegateImpl::
ShowInstallBlockedByParentDialogForExtension(
const Extension& extension,
content::WebContents* contents,
ExtensionInstalledBlockedByParentDialogAction blocked_action) {
auto block_dialog_callback = base::BindOnce(
std::move(done_callback_),
SupervisedUserExtensionsDelegate::ExtensionApprovalResult::kBlocked);
SupervisedUserExtensionsMetricsRecorder::RecordEnablementUmaMetrics(
SupervisedUserExtensionsMetricsRecorder::EnablementState::
kFailedToEnable);
if (ScopedTestDialogAutoConfirm::GetAutoConfirmValue() !=
ScopedTestDialogAutoConfirm::NONE) {
base::SingleThreadTaskRunner::GetCurrentDefault()->PostTask(
FROM_HERE, std::move(block_dialog_callback));
return;
}
ShowExtensionInstallBlockedByParentDialog(
ExtensionInstalledBlockedByParentDialogAction::kEnable, &extension,
contents, std::move(block_dialog_callback));
}
void SupervisedUserExtensionsDelegateImpl::RequestExtensionApproval(
const Extension& extension,
std::optional<base::WeakPtr<content::WebContents>> contents,
SupervisedUserExtensionParentApprovalEntryPoint
extension_approval_entry_point,
const gfx::ImageSkia& icon) {
// Treat the request as canceled if web contents that the request originated
// in was destroyed (the web contents was originally passed, but weak ptr is
// not valid anymore).
if (contents) {
base::WeakPtr<content::WebContents> contents_weak_ptr = contents.value();
if (!contents_weak_ptr) {
std::move(done_callback_)
.Run(extensions::SupervisedUserExtensionsDelegate::
ExtensionApprovalResult::kCanceled);
return;
}
}
#if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_MAC) || BUILDFLAG(IS_WIN)
CHECK(contents.value());
content::WebContents* web_contents = contents.value().get();
// Always invoke the parent permission dialog.
ShowParentPermissionDialogForExtension(extension, web_contents, icon,
extension_approval_entry_point);
return;
#elif BUILDFLAG(IS_CHROMEOS)
// ParentAccessDialog handles the blocked use case for ChromeOS.
extension_approvals_manager_ =
std::make_unique<ParentAccessExtensionApprovalsManager>();
extension_approvals_manager_->ShowParentAccessDialog(
extension, context_, icon,
CanInstallExtensions() ? ParentAccessExtensionApprovalsManager::
ExtensionInstallMode::kInstallationPermitted
: ParentAccessExtensionApprovalsManager::
ExtensionInstallMode::kInstallationDenied,
std::move(done_callback_));
#endif
}
} // namespace extensions
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