[Merge to M60] Support anonymizer whitelisted UUIDs

chrome/browser/feedback/system_logs/scrubbed_system_logs_fetcher.cc

 // Copyright 2013 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/feedback/system_logs/scrubbed_system_logs_fetcher.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/memory/ptr_util.h"
 #include "build/build_config.h"
 #include "chrome/browser/feedback/system_logs/log_sources/chrome_internal_log_source.h"
 #include "chrome/browser/feedback/system_logs/log_sources/crash_ids_source.h"
 #include "chrome/browser/feedback/system_logs/log_sources/memory_details_log_source.h"
 #include "content/public/browser/browser_thread.h"
 
 #if defined(OS_CHROMEOS)
 #include "chrome/browser/chromeos/system_logs/command_line_log_source.h"
 #include "chrome/browser/chromeos/system_logs/dbus_log_source.h"
 #include "chrome/browser/chromeos/system_logs/debug_daemon_log_source.h"
 #include "chrome/browser/chromeos/system_logs/device_event_log_source.h"
 #include "chrome/browser/chromeos/system_logs/lsb_release_log_source.h"
 #include "chrome/browser/chromeos/system_logs/touch_log_source.h"
 #endif
 
 using content::BrowserThread;
 
 namespace system_logs {
 
+namespace {
+
+// List of keys in the SystemLogsResponse map whose corresponding values will
+// not be anonymized.
+constexpr const char* const kWhitelistedKeysOfUUIDs[] = {
+    "CHROMEOS_BOARD_APPID", "CHROMEOS_CANARY_APPID", "CHROMEOS_RELEASE_APPID",
+    "CLIENT_ID",
+};
+
+// Returns true if the given |key| is anonymizer-whitelisted and whose
+// corresponding value should not be anonymized.
+bool IsKeyWhitelisted(const std::string& key) {
+  for (auto* const whitelisted_key : kWhitelistedKeysOfUUIDs) {
+    if (key == whitelisted_key)
+      return true;
+  }
+  return false;
+}
+
+}  // namespace
+
 ScrubbedSystemLogsFetcher::ScrubbedSystemLogsFetcher() {
   data_sources_.push_back(base::MakeUnique<ChromeInternalLogSource>());
   data_sources_.push_back(base::MakeUnique<CrashIdsSource>());
   data_sources_.push_back(base::MakeUnique<MemoryDetailsLogSource>());
 
 #if defined(OS_CHROMEOS)
   data_sources_.push_back(base::MakeUnique<CommandLineLogSource>());
   data_sources_.push_back(base::MakeUnique<DBusLogSource>());
   data_sources_.push_back(base::MakeUnique<DeviceEventLogSource>());
   data_sources_.push_back(base::MakeUnique<LsbReleaseLogSource>());
   data_sources_.push_back(base::MakeUnique<TouchLogSource>());
 
   // Debug Daemon data source - currently only this data source supports
   // the scrub_data parameter but all others get processed by Rewrite()
   // as well.
   const bool scrub_data = true;
   data_sources_.push_back(base::MakeUnique<DebugDaemonLogSource>(scrub_data));
 #endif
 
   num_pending_requests_ = data_sources_.size();
 }
 
 ScrubbedSystemLogsFetcher::~ScrubbedSystemLogsFetcher() {
 }
 
 void ScrubbedSystemLogsFetcher::Rewrite(const std::string& source_name,
                                         SystemLogsResponse* response) {
-  for (auto& element : *response)
-    element.second = anonymizer_.Anonymize(element.second);
+  for (auto& element : *response) {
+    if (!IsKeyWhitelisted(element.first))
+      element.second = anonymizer_.Anonymize(element.second);
+  }
 }
 
 }  // namespace system_logs