Move gcm-independent parts of push messaging out of gcm namespace and directory

chrome/browser/services/gcm/push_messaging_application_id.cc

-// Copyright 2014 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/services/gcm/push_messaging_application_id.h"
-
-#include "base/guid.h"
-#include "base/logging.h"
-#include "base/prefs/pref_service.h"
-#include "base/prefs/scoped_user_pref_update.h"
-#include "base/strings/string_number_conversions.h"
-#include "base/strings/string_split.h"
-#include "base/strings/string_util.h"
-#include "base/values.h"
-#include "chrome/browser/profiles/profile.h"
-#include "chrome/common/pref_names.h"
-#include "components/pref_registry/pref_registry_syncable.h"
-
-namespace {
-const char kSeparator = '#';  // Ok as only the origin of the url is used.
-}  // namespace
-
-namespace gcm {
-
-const char kPushMessagingApplicationIdPrefix[] = "wp:";
-
-// static
-void PushMessagingApplicationId::RegisterProfilePrefs(
-    user_prefs::PrefRegistrySyncable* registry) {
-  registry->RegisterDictionaryPref(
-      prefs::kPushMessagingApplicationIdMap,
-      user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
-}
-
-// static
-PushMessagingApplicationId PushMessagingApplicationId::Generate(
-    const GURL& origin, int64 service_worker_registration_id)
-{
-  // TODO(johnme): Does GenerateGUID produce good enough random numbers?
-  std::string guid = base::GenerateGUID();
-  CHECK(!guid.empty());
-  std::string app_id_guid =
-      kPushMessagingApplicationIdPrefix + guid;
-
-  PushMessagingApplicationId application_id(app_id_guid, origin,
-                                            service_worker_registration_id);
-  DCHECK(application_id.IsValid());
-  return application_id;
-}
-
-// static
-PushMessagingApplicationId PushMessagingApplicationId::Get(
-    Profile* profile, const std::string& app_id_guid) {
-  // Workaround crbug.com/461867 in GCM where it converts subtypes to lowercase.
-  // TODO(johnme): Remove this when obsolete
-  const size_t prefix_len = strlen(kPushMessagingApplicationIdPrefix);
-  if (app_id_guid.size() < prefix_len)
-    return PushMessagingApplicationId();
-  std::string uppercase_app_id =
-      app_id_guid.substr(0, prefix_len) +
-      StringToUpperASCII(app_id_guid.substr(prefix_len, std::string::npos));
-
-  const base::DictionaryValue* map =
-      profile->GetPrefs()->GetDictionary(prefs::kPushMessagingApplicationIdMap);
-
-  std::string origin_and_sw_id;
-  if (!map->GetStringWithoutPathExpansion(uppercase_app_id, &origin_and_sw_id))
-    return PushMessagingApplicationId();
-
-  std::vector<std::string> parts;
-  base::SplitString(origin_and_sw_id, kSeparator, &parts);
-  if (parts.size() != 2)
-    return PushMessagingApplicationId();
-
-  GURL origin = GURL(parts[0]);
-
-  int64 service_worker_registration_id;
-  if (!base::StringToInt64(parts[1], &service_worker_registration_id))
-    return PushMessagingApplicationId();
-
-  PushMessagingApplicationId application_id(uppercase_app_id, origin,
-                                            service_worker_registration_id);
-  DCHECK(application_id.IsValid());
-  return application_id;
-}
-
-// static
-PushMessagingApplicationId PushMessagingApplicationId::Get(
-    Profile* profile, const GURL& origin, int64 service_worker_registration_id)
-{
-  base::StringValue origin_and_sw_id = base::StringValue(origin.spec() +
-      kSeparator + base::Int64ToString(service_worker_registration_id));
-
-  const base::DictionaryValue* map =
-      profile->GetPrefs()->GetDictionary(prefs::kPushMessagingApplicationIdMap);
-  for (auto it = base::DictionaryValue::Iterator(*map); !it.IsAtEnd();
-       it.Advance()) {
-    if (it.value().Equals(&origin_and_sw_id))
-      return Get(profile, it.key());
-  }
-  return PushMessagingApplicationId();
-}
-
-// static
-std::vector<PushMessagingApplicationId> PushMessagingApplicationId::GetAll(
-    Profile* profile) {
-  std::vector<PushMessagingApplicationId> result;
-
-  const base::DictionaryValue* map =
-      profile->GetPrefs()->GetDictionary(prefs::kPushMessagingApplicationIdMap);
-  for (auto it = base::DictionaryValue::Iterator(*map); !it.IsAtEnd();
-       it.Advance()) {
-    result.push_back(Get(profile, it.key()));
-  }
-
-  return result;
-}
-
-void PushMessagingApplicationId::PersistToDisk(Profile* profile) const {
-  DCHECK(IsValid());
-
-  DictionaryPrefUpdate update(profile->GetPrefs(),
-                              prefs::kPushMessagingApplicationIdMap);
-  base::DictionaryValue* map = update.Get();
-
-  // Delete any stale entry with the same origin and Service Worker
-  // registration id (hence we ensure there is a 1:1 not 1:many mapping).
-  PushMessagingApplicationId old = Get(profile, origin_,
-                                       service_worker_registration_id_);
-  if (old.IsValid())
-    map->RemoveWithoutPathExpansion(old.app_id_guid_, nullptr);
-
-  std::string origin_and_sw_id = origin_.spec() + kSeparator +
-      base::Int64ToString(service_worker_registration_id_);
-  map->SetStringWithoutPathExpansion(app_id_guid_, origin_and_sw_id);
-}
-
-void PushMessagingApplicationId::DeleteFromDisk(Profile* profile) const {
-  DCHECK(IsValid());
-
-  DictionaryPrefUpdate update(profile->GetPrefs(),
-                              prefs::kPushMessagingApplicationIdMap);
-  base::DictionaryValue* map = update.Get();
-  map->RemoveWithoutPathExpansion(app_id_guid_, nullptr);
-}
-
-PushMessagingApplicationId::PushMessagingApplicationId()
-    : origin_(GURL::EmptyGURL()),
-      service_worker_registration_id_(-1) {
-}
-
-PushMessagingApplicationId::PushMessagingApplicationId(
-    const std::string& app_id_guid,
-    const GURL& origin,
-    int64 service_worker_registration_id)
-    : app_id_guid_(app_id_guid),
-      origin_(origin),
-      service_worker_registration_id_(service_worker_registration_id) {
-}
-
-PushMessagingApplicationId::~PushMessagingApplicationId() {
-}
-
-bool PushMessagingApplicationId::IsValid() const {
-  const size_t prefix_len = strlen(kPushMessagingApplicationIdPrefix);
-  return origin_.is_valid() && origin_.GetOrigin() == origin_
-      && service_worker_registration_id_ >= 0
-      && !app_id_guid_.compare(0, prefix_len, kPushMessagingApplicationIdPrefix)
-      && base::IsValidGUID(app_id_guid_.substr(prefix_len, std::string::npos));
-}
-
-}  // namespace gcm