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// Copyright 2025 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/push_messaging/push_messaging_unsubscribed_entry.h"
#include <string>
#include <string_view>
#include "base/check_op.h"
#include "base/notreached.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/string_split.h"
#include "base/strings/string_util.h"
#include "base/uuid.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"
#include "components/prefs/pref_service.h"
#include "components/prefs/scoped_user_pref_update.h"
namespace {
// Ok to use '#' as separator since only the origin of the url is used.
constexpr char kPrefValueSeparator = '#';
std::string MakePrefValue(const GURL& origin,
int64_t service_worker_registration_id) {
CHECK(!origin.has_ref());
return origin.spec() + kPrefValueSeparator +
base::NumberToString(service_worker_registration_id);
}
std::optional<PushMessagingUnsubscribedEntry> DisassemblePrefValue(
std::string_view pref_value) {
std::vector<std::string_view> parts =
base::SplitStringPiece(pref_value, std::string(1, kPrefValueSeparator),
base::TRIM_WHITESPACE, base::SPLIT_WANT_ALL);
if (parts.size() < 2) {
return std::nullopt;
}
int64_t service_worker_registration_id;
if (!base::StringToInt64(parts[1], &service_worker_registration_id)) {
return std::nullopt;
}
GURL origin = GURL(parts[0]);
if (!origin.is_valid()) {
return std::nullopt;
}
return PushMessagingUnsubscribedEntry(std::move(origin),
service_worker_registration_id);
}
} // namespace
// static
void PushMessagingUnsubscribedEntry::RegisterProfilePrefs(
user_prefs::PrefRegistrySyncable* registry) {
registry->RegisterListPref(prefs::kPushMessagingUnsubscribedEntriesList);
}
PushMessagingUnsubscribedEntry::PushMessagingUnsubscribedEntry(
GURL origin,
int64_t service_worker_registration_id)
: origin_(std::move(origin)),
service_worker_registration_id_(service_worker_registration_id) {}
// static
std::vector<PushMessagingUnsubscribedEntry>
PushMessagingUnsubscribedEntry::GetAll(Profile* profile) {
std::vector<PushMessagingUnsubscribedEntry> result;
const base::Value::List& list = profile->GetPrefs()->GetList(
prefs::kPushMessagingUnsubscribedEntriesList);
for (const auto& entry : list) {
if (entry.is_string()) {
std::optional<PushMessagingUnsubscribedEntry> parsed_entry =
DisassemblePrefValue(entry.GetString());
if (parsed_entry) {
result.push_back(std::move(parsed_entry).value());
}
}
}
return result;
}
// static
void PushMessagingUnsubscribedEntry::DeleteAllFromPrefs(Profile* profile) {
profile->GetPrefs()->SetList(prefs::kPushMessagingUnsubscribedEntriesList,
base::Value::List());
}
void PushMessagingUnsubscribedEntry::PersistToPrefs(Profile* profile) const {
DCheckValid();
ScopedListPrefUpdate update(profile->GetPrefs(),
prefs::kPushMessagingUnsubscribedEntriesList);
base::Value::List& list = update.Get();
std::string pref_value =
MakePrefValue(origin_, service_worker_registration_id_);
// Delete any stale entry with the same origin and Service Worker.
list.EraseIf([&pref_value](const base::Value& entry) {
return !entry.is_string() || entry.GetString() == pref_value;
});
list.Append(pref_value);
}
void PushMessagingUnsubscribedEntry::DeleteFromPrefs(Profile* profile) const {
DCheckValid();
ScopedListPrefUpdate update(profile->GetPrefs(),
prefs::kPushMessagingUnsubscribedEntriesList);
base::Value::List& list = update.Get();
std::string pref_value =
MakePrefValue(origin_, service_worker_registration_id_);
list.EraseIf([&pref_value](const base::Value& entry) {
return !entry.is_string() || entry.GetString() == pref_value;
});
}
void PushMessagingUnsubscribedEntry::DCheckValid() const {
#if DCHECK_IS_ON()
DCHECK_GE(service_worker_registration_id_, 0);
DCHECK(origin_.is_valid());
DCHECK_EQ(origin_.DeprecatedGetOriginAsURL(), origin_);
#endif // DCHECK_IS_ON()
}
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