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// Copyright (c) 2012 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 "chrome/browser/ui/webui/crashes_ui.h"
#include <stddef.h>
#include <memory>
#include "base/bind.h"
#include "base/bind_helpers.h"
#include "base/macros.h"
#include "base/memory/ref_counted_memory.h"
#include "base/strings/utf_string_conversions.h"
#include "base/system/sys_info.h"
#include "base/values.h"
#include "build/build_config.h"
#include "chrome/browser/crash_upload_list/crash_upload_list.h"
#include "chrome/browser/metrics/chrome_metrics_service_accessor.h"
#include "chrome/browser/metrics/metrics_reporting_state.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/common/url_constants.h"
#include "chrome/grit/chromium_strings.h"
#include "components/crash/core/browser/crashes_ui_util.h"
#include "components/grit/components_resources.h"
#include "components/grit/components_scaled_resources.h"
#include "components/version_info/version_info.h"
#include "content/public/browser/web_contents.h"
#include "content/public/browser/web_ui.h"
#include "content/public/browser/web_ui_data_source.h"
#include "content/public/browser/web_ui_message_handler.h"
#include "ui/base/resource/resource_bundle.h"
#if defined(OS_CHROMEOS)
#include "chromeos/dbus/dbus_thread_manager.h"
#include "chromeos/dbus/debug_daemon_client.h"
#endif
using content::WebContents;
using content::WebUIMessageHandler;
namespace {
content::WebUIDataSource* CreateCrashesUIHTMLSource() {
content::WebUIDataSource* source =
content::WebUIDataSource::Create(chrome::kChromeUICrashesHost);
for (size_t i = 0; i < crash_reporter::kCrashesUILocalizedStringsCount; ++i) {
source->AddLocalizedString(
crash_reporter::kCrashesUILocalizedStrings[i].name,
crash_reporter::kCrashesUILocalizedStrings[i].resource_id);
}
source->AddLocalizedString(crash_reporter::kCrashesUIShortProductName,
IDS_SHORT_PRODUCT_NAME);
source->UseStringsJs();
source->AddResourcePath(crash_reporter::kCrashesUICrashesJS,
IDR_CRASH_CRASHES_JS);
source->SetDefaultResource(IDR_CRASH_CRASHES_HTML);
return source;
}
////////////////////////////////////////////////////////////////////////////////
//
// CrashesDOMHandler
//
////////////////////////////////////////////////////////////////////////////////
// The handler for Javascript messages for the chrome://crashes/ page.
class CrashesDOMHandler : public WebUIMessageHandler {
public:
CrashesDOMHandler();
~CrashesDOMHandler() override;
// WebUIMessageHandler implementation.
void RegisterMessages() override;
private:
void OnUploadListAvailable();
// Asynchronously fetches the list of crashes. Called from JS.
void HandleRequestCrashes(const base::ListValue* args);
#if defined(OS_CHROMEOS)
// Asynchronously triggers crash uploading. Called from JS.
void HandleRequestUploads(const base::ListValue* args);
#endif
// Sends the recent crashes list JS.
void UpdateUI();
// Asynchronously requests a user triggered upload. Called from JS.
void HandleRequestSingleCrashUpload(const base::ListValue* args);
scoped_refptr<UploadList> upload_list_;
bool list_available_;
bool first_load_;
DISALLOW_COPY_AND_ASSIGN(CrashesDOMHandler);
};
CrashesDOMHandler::CrashesDOMHandler()
: list_available_(false), first_load_(true) {
upload_list_ = CreateCrashUploadList();
}
CrashesDOMHandler::~CrashesDOMHandler() {
upload_list_->CancelLoadCallback();
}
void CrashesDOMHandler::RegisterMessages() {
upload_list_->Load(base::BindOnce(&CrashesDOMHandler::OnUploadListAvailable,
base::Unretained(this)));
web_ui()->RegisterMessageCallback(
crash_reporter::kCrashesUIRequestCrashList,
base::BindRepeating(&CrashesDOMHandler::HandleRequestCrashes,
base::Unretained(this)));
#if defined(OS_CHROMEOS)
web_ui()->RegisterMessageCallback(
crash_reporter::kCrashesUIRequestCrashUpload,
base::BindRepeating(&CrashesDOMHandler::HandleRequestUploads,
base::Unretained(this)));
#endif
web_ui()->RegisterMessageCallback(
crash_reporter::kCrashesUIRequestSingleCrashUpload,
base::BindRepeating(&CrashesDOMHandler::HandleRequestSingleCrashUpload,
base::Unretained(this)));
}
void CrashesDOMHandler::HandleRequestCrashes(const base::ListValue* args) {
if (first_load_) {
first_load_ = false;
if (list_available_)
UpdateUI();
} else {
list_available_ = false;
upload_list_->Load(base::BindOnce(&CrashesDOMHandler::OnUploadListAvailable,
base::Unretained(this)));
}
}
#if defined(OS_CHROMEOS)
void CrashesDOMHandler::HandleRequestUploads(const base::ListValue* args) {
chromeos::DebugDaemonClient* debugd_client =
chromeos::DBusThreadManager::Get()->GetDebugDaemonClient();
DCHECK(debugd_client);
debugd_client->UploadCrashes();
}
#endif
void CrashesDOMHandler::OnUploadListAvailable() {
list_available_ = true;
if (!first_load_)
UpdateUI();
}
void CrashesDOMHandler::UpdateUI() {
bool crash_reporting_enabled =
ChromeMetricsServiceAccessor::IsMetricsAndCrashReportingEnabled();
bool system_crash_reporter = false;
#if defined(OS_CHROMEOS)
// Chrome OS has a system crash reporter.
system_crash_reporter = true;
#endif
bool upload_list = crash_reporting_enabled;
bool support_manual_uploads = false;
#if defined(OS_WIN) || defined(OS_MACOSX) || defined(OS_ANDROID)
// Maunal uploads currently are supported only for Crashpad-using platforms
// and Android, and only if crash uploads are not disabled by policy.
support_manual_uploads =
crash_reporting_enabled || !IsMetricsReportingPolicyManaged();
// Show crash reports regardless of |crash_reporting_enabled| so that users
// can manually upload those reports.
upload_list = true;
#endif
base::ListValue crash_list;
if (upload_list)
crash_reporter::UploadListToValue(upload_list_.get(), &crash_list);
base::Value enabled(crash_reporting_enabled);
base::Value dynamic_backend(system_crash_reporter);
base::Value manual_uploads(support_manual_uploads);
base::Value version(version_info::GetVersionNumber());
base::Value os_string(base::SysInfo::OperatingSystemName() + " " +
base::SysInfo::OperatingSystemVersion());
std::vector<const base::Value*> args;
args.push_back(&enabled);
args.push_back(&dynamic_backend);
args.push_back(&manual_uploads);
args.push_back(&crash_list);
args.push_back(&version);
args.push_back(&os_string);
web_ui()->CallJavascriptFunctionUnsafe(
crash_reporter::kCrashesUIUpdateCrashList, args);
}
void CrashesDOMHandler::HandleRequestSingleCrashUpload(
const base::ListValue* args) {
DCHECK(args);
std::string local_id;
bool success = args->GetString(0, &local_id);
DCHECK(success);
// Only allow manual uploads if crash uploads aren’t disabled by policy.
if (!ChromeMetricsServiceAccessor::IsMetricsAndCrashReportingEnabled() &&
IsMetricsReportingPolicyManaged()) {
return;
}
upload_list_->RequestSingleUploadAsync(local_id);
}
} // namespace
///////////////////////////////////////////////////////////////////////////////
//
// CrashesUI
//
///////////////////////////////////////////////////////////////////////////////
CrashesUI::CrashesUI(content::WebUI* web_ui) : WebUIController(web_ui) {
web_ui->AddMessageHandler(std::make_unique<CrashesDOMHandler>());
// Set up the chrome://crashes/ source.
Profile* profile = Profile::FromWebUI(web_ui);
content::WebUIDataSource::Add(profile, CreateCrashesUIHTMLSource());
}
// static
base::RefCountedMemory* CrashesUI::GetFaviconResourceBytes(
ui::ScaleFactor scale_factor) {
return ui::ResourceBundle::GetSharedInstance().LoadDataResourceBytesForScale(
IDR_CRASH_SAD_FAVICON, scale_factor);
}
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