144 lines
		
	
	
	
		
			4.3 KiB
			
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			144 lines
		
	
	
	
		
			4.3 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 <deque>
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#include <utility>
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#include <vector>
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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 "components/crash/core/common/crash_key.h"
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#include "content/public/common/content_switches.h"
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#include "shell/common/electron_constants.h"
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#include "shell/common/options_switches.h"
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#include "third_party/crashpad/crashpad/client/annotation.h"
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namespace electron {
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namespace crash_keys {
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namespace {
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using ExtraCrashKeys = std::deque<crash_reporter::CrashKeyString<127>>;
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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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#if defined(OS_LINUX)
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static_assert(kMaxCrashKeyNameLength <=
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                  crash_reporter::internal::kCrashKeyStorageKeySize,
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              "max crash key name length above what breakpad supports");
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#else
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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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#endif
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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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  // TODO(nornagon): warn the developer (via console.warn) when this happens.
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  if (key.size() >= kMaxCrashKeyNameLength)
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    return;
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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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#if BUILDFLAG(ENABLE_RUN_AS_NODE)
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  return base::Environment::Create()->HasVar(electron::kRunAsNode);
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#else
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  return false;
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#endif
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}
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}  // namespace
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void SetCrashKeysFromCommandLine(const base::CommandLine& command_line) {
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#if defined(OS_LINUX)
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  if (command_line.HasSwitch(switches::kGlobalCrashKeys)) {
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    std::vector<std::pair<std::string, std::string>> global_crash_keys;
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    base::SplitStringIntoKeyValuePairs(
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        command_line.GetSwitchValueASCII(switches::kGlobalCrashKeys), '=', ',',
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        &global_crash_keys);
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    for (const auto& pair : global_crash_keys) {
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      SetCrashKey(pair.first, pair.second);
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    }
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  }
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#endif
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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 defined(OS_WIN)
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  platform_key.Set("win32");
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#elif defined(OS_MACOSX)
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  platform_key.Set("darwin");
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#elif defined(OS_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 crash_keys
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}  // namespace electron
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