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// Copyright 2023 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/apps/intent_helper/chromeos_disabled_apps_throttle.h"
#include <cstddef>
#include <memory>
#include <optional>
#include <vector>
#include "base/memory/ptr_util.h"
#include "chrome/browser/apps/app_service/app_service_proxy.h"
#include "chrome/browser/apps/app_service/app_service_proxy_factory.h"
#include "chrome/browser/apps/app_service/chrome_app_deprecation/chrome_app_deprecation.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/policy/system_features_disable_list_policy_handler.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/grit/browser_resources.h"
#include "components/strings/grit/components_strings.h"
#include "content/public/browser/navigation_handle.h"
#include "content/public/browser/navigation_throttle.h"
#include "content/public/browser/web_contents.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/base/resource/resource_bundle.h"
#include "ui/base/webui/jstemplate_builder.h"
#include "ui/base/webui/web_ui_util.h"
namespace apps {
namespace {
using ThrottleCheckResult = content::NavigationThrottle::ThrottleCheckResult;
std::string GetAppDisabledErrorPage() {
base::Value::Dict strings;
strings.Set("disabledPageHeader",
l10n_util::GetStringUTF16(IDS_CHROME_URLS_DISABLED_PAGE_HEADER));
strings.Set("disabledPageTitle",
l10n_util::GetStringUTF16(IDS_CHROME_URLS_DISABLED_PAGE_TITLE));
strings.Set("disabledPageMessage",
l10n_util::GetStringUTF16(IDS_CHROME_URLS_DISABLED_PAGE_MESSAGE));
std::string html =
ui::ResourceBundle::GetSharedInstance().LoadDataResourceString(
IDR_CHROME_URLS_DISABLED_PAGE_HTML);
const std::string& app_locale = g_browser_process->GetApplicationLocale();
webui::SetLoadTimeDataDefaults(app_locale, &strings);
return webui::GetI18nTemplateHtml(html, strings);
}
std::optional<std::string> FindThrottlingApp(Profile* profile,
const GURL& url) {
std::vector<std::string> app_ids =
apps::AppServiceProxyFactory::GetForProfile(profile)->GetAppIdsForUrl(
url, /*exclude_browsers=*/true, /*exclude_browser_tab_apps=*/false);
for (const auto& app_id : app_ids) {
policy::SystemFeature system_feature =
policy::SystemFeaturesDisableListPolicyHandler::
GetSystemFeatureFromAppId(app_id);
if (system_feature == policy::SystemFeature::kUnknownSystemFeature) {
continue;
}
if (!policy::SystemFeaturesDisableListPolicyHandler::
IsSystemFeatureDisabled(system_feature,
g_browser_process->local_state())) {
continue;
}
return app_id;
}
return std::nullopt;
}
} // namespace
// static
void ChromeOsDisabledAppsThrottle::MaybeCreateAndAdd(
content::NavigationThrottleRegistry& registry) {
// Don't handle navigations in subframes or main frames that are in a nested
// frame tree (e.g. portals, fenced-frame).
auto& handle = registry.GetNavigationHandle();
if (!handle.IsInPrimaryMainFrame() && !handle.IsInPrerenderedMainFrame()) {
return;
}
content::WebContents* web_contents = handle.GetWebContents();
Profile* profile =
Profile::FromBrowserContext(web_contents->GetBrowserContext());
if (!AppServiceProxyFactory::IsAppServiceAvailableForProfile(profile)) {
return;
}
registry.AddThrottle(
base::WrapUnique(new ChromeOsDisabledAppsThrottle(registry)));
}
ChromeOsDisabledAppsThrottle::ChromeOsDisabledAppsThrottle(
content::NavigationThrottleRegistry& registry)
: content::NavigationThrottle(registry) {}
ChromeOsDisabledAppsThrottle::~ChromeOsDisabledAppsThrottle() = default;
const char* ChromeOsDisabledAppsThrottle::GetNameForLogging() {
return "ChromeOsDisabledAppsThrottle";
}
ThrottleCheckResult ChromeOsDisabledAppsThrottle::WillStartRequest() {
return HandleRequest();
}
ThrottleCheckResult ChromeOsDisabledAppsThrottle::WillRedirectRequest() {
return HandleRequest();
}
ThrottleCheckResult ChromeOsDisabledAppsThrottle::HandleRequest() {
content::WebContents* web_contents = navigation_handle()->GetWebContents();
const GURL& url = navigation_handle()->GetURL();
Profile* profile =
Profile::FromBrowserContext(web_contents->GetBrowserContext());
std::optional<std::string> found_app_id = FindThrottlingApp(profile, url);
if (!found_app_id) {
return content::NavigationThrottle::PROCEED;
}
switch (
apps::chrome_app_deprecation::HandleDeprecation(*found_app_id, profile)) {
case apps::chrome_app_deprecation::DeprecationStatus::kLaunchBlocked:
return content::NavigationThrottle::CANCEL;
case apps::chrome_app_deprecation::DeprecationStatus::kLaunchAllowed:
return ThrottleCheckResult(content::NavigationThrottle::CANCEL,
net::ERR_BLOCKED_BY_ADMINISTRATOR,
GetAppDisabledErrorPage());
}
}
} // namespace apps
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