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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/feedback/system_logs/log_sources/crash_ids_source.h"
#include <string>
#include "base/functional/bind.h"
#include "base/logging.h"
#include "base/time/time.h"
#include "build/build_config.h"
#include "chrome/browser/crash_upload_list/crash_upload_list.h"
#include "components/feedback/feedback_report.h"
#include "content/public/browser/browser_thread.h"
#if BUILDFLAG(IS_CHROMEOS)
#include "chromeos/ash/components/dbus/debug_daemon/debug_daemon_client.h"
#include "content/public/browser/browser_thread.h"
#endif
namespace system_logs {
namespace {
// The maximum number of crashes we retrieve from the crash list.
constexpr size_t kMaxCrashesCountToRetrieve = 10;
// The length of the crash ID string.
constexpr size_t kCrashIdStringSize = 16;
// For recent crashes, which is for all reports, look back one hour.
constexpr base::TimeDelta kOneHourTimeDelta = base::Hours(1);
// For all crashes, which is for only @google.com reports, look back 120 days.
constexpr base::TimeDelta k120DaysTimeDelta = base::Days(120);
} // namespace
CrashIdsSource::CrashIdsSource()
: SystemLogsSource("CrashId"),
crash_upload_list_(CreateCrashUploadList()),
pending_crash_list_loading_(false) {}
CrashIdsSource::~CrashIdsSource() = default;
void CrashIdsSource::Fetch(SysLogsSourceCallback callback) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
// Unretained since we own this callback.
pending_requests_.emplace_back(
base::BindOnce(&CrashIdsSource::RespondWithCrashIds,
base::Unretained(this), std::move(callback)));
if (pending_crash_list_loading_)
return;
pending_crash_list_loading_ = true;
base::OnceClosure list_available_cb = base::BindOnce(
&CrashIdsSource::OnUploadListAvailable, weak_ptr_factory_.GetWeakPtr());
#if BUILDFLAG(IS_CHROMEOS)
// Upload recent crashes so that they're shown in the report.
// Non-chromeOS systems upload crashes shortly after they happen. ChromeOS is
// unique in that it has a separate process (crash_sender) that uploads
// crashes periodically (by default every 5 minutes).
ash::DebugDaemonClient* debugd_client = ash::DebugDaemonClient::Get();
if (debugd_client) {
debugd_client->UploadCrashes(base::BindOnce(
[](base::OnceClosure load_crash_list_cb, bool success) {
if (!success) {
LOG(ERROR) << "crash_sender failed; proceeding anyway";
}
std::move(load_crash_list_cb).Run();
},
base::BindOnce(&UploadList::Load, crash_upload_list_,
std::move(list_available_cb))));
// Don't call Load directly; instead let UploadCrashes invoke it via the
// callback.
return;
}
// Fall through to Load statement below.
LOG(ERROR) << "Failed to create debugd_client. debugd may be down?";
#endif
crash_upload_list_->Load(std::move(list_available_cb));
}
void CrashIdsSource::OnUploadListAvailable() {
pending_crash_list_loading_ = false;
// We generate two lists of crash IDs. One will be the crashes within the last
// hour, which is included in all feedback reports. The other is all of the
// crash IDs from the past 120 days, which is only included in feedback
// reports sent from @google.com accounts.
const std::vector<const UploadList::UploadInfo*> crashes =
crash_upload_list_->GetUploads(kMaxCrashesCountToRetrieve);
const base::Time now = base::Time::Now();
crash_ids_list_.clear();
crash_ids_list_.reserve(kMaxCrashesCountToRetrieve *
(kCrashIdStringSize + 2));
all_crash_ids_list_.clear();
all_crash_ids_list_.reserve(kMaxCrashesCountToRetrieve *
(kCrashIdStringSize + 2));
// The feedback server expects the crash IDs to be a comma-separated list.
for (const auto* crash_info : crashes) {
const base::Time& report_time =
crash_info->state == UploadList::UploadInfo::State::Uploaded
? crash_info->upload_time
: crash_info->capture_time;
base::TimeDelta time_diff = now - report_time;
if (time_diff < k120DaysTimeDelta) {
const std::string& crash_id = crash_info->upload_id;
all_crash_ids_list_.append(all_crash_ids_list_.empty() ? crash_id
: ", " + crash_id);
if (time_diff < kOneHourTimeDelta) {
crash_ids_list_.append(crash_ids_list_.empty() ? crash_id
: ", " + crash_id);
}
}
}
for (auto& request : pending_requests_)
std::move(request).Run();
pending_requests_.clear();
}
void CrashIdsSource::RespondWithCrashIds(SysLogsSourceCallback callback) {
auto response = std::make_unique<SystemLogsResponse>();
(*response)[feedback::FeedbackReport::kCrashReportIdsKey] = crash_ids_list_;
(*response)[feedback::FeedbackReport::kAllCrashReportIdsKey] =
all_crash_ids_list_;
// We must respond anyways.
std::move(callback).Run(std::move(response));
}
} // namespace system_logs
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