mirror of https://github.com/electron/electron
141 lines
4.4 KiB
C++
141 lines
4.4 KiB
C++
// Copyright (c) 2020 Slack Technologies, Inc.
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// Use of this source code is governed by the MIT license that can be
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// found in the LICENSE file.
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#include "shell/common/crash_keys.h"
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#include <cstdint>
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#include <deque>
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#include <map>
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#include <string>
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#include "base/command_line.h"
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#include "base/environment.h"
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#include "base/no_destructor.h"
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#include "base/strings/string_split.h"
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#include "base/strings/stringprintf.h"
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#include "components/crash/core/common/crash_key.h"
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#include "content/public/common/content_switches.h"
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#include "electron/buildflags/buildflags.h"
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#include "electron/fuses.h"
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#include "shell/browser/javascript_environment.h"
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#include "shell/common/electron_constants.h"
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#include "shell/common/node_includes.h"
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#include "shell/common/options_switches.h"
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#include "shell/common/process_util.h"
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#include "third_party/crashpad/crashpad/client/annotation.h"
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namespace electron::crash_keys {
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namespace {
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constexpr size_t kMaxCrashKeyValueSize = 20320;
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static_assert(kMaxCrashKeyValueSize < crashpad::Annotation::kValueMaxSize,
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"max crash key value length above what crashpad supports");
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using ExtraCrashKeys =
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std::deque<crash_reporter::CrashKeyString<kMaxCrashKeyValueSize>>;
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ExtraCrashKeys& GetExtraCrashKeys() {
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static base::NoDestructor<ExtraCrashKeys> extra_keys;
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return *extra_keys;
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}
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std::deque<std::string>& GetExtraCrashKeyNames() {
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static base::NoDestructor<std::deque<std::string>> crash_key_names;
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return *crash_key_names;
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}
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} // namespace
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constexpr uint32_t kMaxCrashKeyNameLength = 40;
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static_assert(kMaxCrashKeyNameLength <= crashpad::Annotation::kNameMaxLength,
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"max crash key name length above what crashpad supports");
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void SetCrashKey(const std::string& key, const std::string& value) {
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// Chrome DCHECK()s if we try to set an annotation with a name longer than
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// the max.
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if (key.size() >= kMaxCrashKeyNameLength) {
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node::Environment* env =
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node::Environment::GetCurrent(JavascriptEnvironment::GetIsolate());
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EmitWarning(
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env,
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base::StringPrintf("The crash key name, \"%s\", is longer than %" PRIu32
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" bytes, ignoring it.",
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key.c_str(), kMaxCrashKeyNameLength),
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"electron");
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return;
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}
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auto& crash_key_names = GetExtraCrashKeyNames();
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auto iter = std::find(crash_key_names.begin(), crash_key_names.end(), key);
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if (iter == crash_key_names.end()) {
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crash_key_names.emplace_back(key);
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GetExtraCrashKeys().emplace_back(crash_key_names.back().c_str());
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iter = crash_key_names.end() - 1;
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}
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GetExtraCrashKeys()[iter - crash_key_names.begin()].Set(value);
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}
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void ClearCrashKey(const std::string& key) {
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const auto& crash_key_names = GetExtraCrashKeyNames();
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auto iter = std::find(crash_key_names.begin(), crash_key_names.end(), key);
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if (iter != crash_key_names.end()) {
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GetExtraCrashKeys()[iter - crash_key_names.begin()].Clear();
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}
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}
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void GetCrashKeys(std::map<std::string, std::string>* keys) {
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const auto& crash_key_names = GetExtraCrashKeyNames();
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const auto& crash_keys = GetExtraCrashKeys();
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int i = 0;
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for (const auto& key : crash_key_names) {
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const auto& value = crash_keys[i++];
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if (value.is_set()) {
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keys->emplace(key, value.value());
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}
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}
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}
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namespace {
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bool IsRunningAsNode() {
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return electron::fuses::IsRunAsNodeEnabled() &&
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base::Environment::Create()->HasVar(electron::kRunAsNode);
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}
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} // namespace
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void SetCrashKeysFromCommandLine(const base::CommandLine& command_line) {
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// NB. this is redundant with the 'ptype' key that //components/crash
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// reports; it's present for backwards compatibility.
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static crash_reporter::CrashKeyString<16> process_type_key("process_type");
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if (IsRunningAsNode()) {
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process_type_key.Set("node");
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} else {
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std::string process_type =
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command_line.GetSwitchValueASCII(::switches::kProcessType);
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if (process_type.empty()) {
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process_type_key.Set("browser");
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} else {
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process_type_key.Set(process_type);
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}
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}
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}
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void SetPlatformCrashKey() {
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// TODO(nornagon): this is redundant with the 'plat' key that
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// //components/crash already includes. Remove it.
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static crash_reporter::CrashKeyString<8> platform_key("platform");
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#if BUILDFLAG(IS_WIN)
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platform_key.Set("win32");
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#elif BUILDFLAG(IS_MAC)
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platform_key.Set("darwin");
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#elif BUILDFLAG(IS_LINUX)
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platform_key.Set("linux");
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#else
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platform_key.Set("unknown");
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#endif
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}
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} // namespace electron::crash_keys
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