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service_worker_database.cc
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service_worker_database.cc
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// 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 "components/services/storage/service_worker/service_worker_database.h"
#include "base/command_line.h"
#include "base/debug/crash_logging.h"
#include "base/files/file_util.h"
#include "base/location.h"
#include "base/logging.h"
#include "base/metrics/histogram_macros.h"
#include "base/no_destructor.h"
#include "base/stl_util.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/string_split.h"
#include "base/strings/string_util.h"
#include "base/strings/stringprintf.h"
#include "components/services/storage/filesystem_proxy_factory.h"
#include "components/services/storage/service_worker/service_worker_database.pb.h"
#include "third_party/blink/public/mojom/service_worker/service_worker_database.mojom.h"
#include "third_party/leveldatabase/env_chromium.h"
#include "third_party/leveldatabase/leveldb_chrome.h"
#include "third_party/leveldatabase/src/include/leveldb/db.h"
#include "third_party/leveldatabase/src/include/leveldb/write_batch.h"
#include "url/origin.h"
// LevelDB database schema
// =======================
//
// NOTE
// - int64_t value is serialized as a string by base::NumberToString().
// - GURL value is serialized as a string by GURL::spec().
//
// Version 1 (in sorted order)
// key: "INITDATA_DB_VERSION"
// value: "1"
//
// key: "INITDATA_NEXT_REGISTRATION_ID"
// value: <int64_t 'next_available_registration_id'>
//
// key: "INITDATA_NEXT_RESOURCE_ID"
// value: <int64_t 'next_available_resource_id'>
//
// key: "INITDATA_NEXT_VERSION_ID"
// value: <int64_t 'next_available_version_id'>
//
// Note: This has changed from `GURL origin` to StorageKey but the name will
// be updated in the future to avoid a migration.
// TODO(crbug.com/1199077): Update name during a migration to Version 3.
// key: "INITDATA_UNIQUE_ORIGIN:" + <StorageKey 'key'>
// value: <empty>
//
// key: "PRES:" + <int64_t 'purgeable_resource_id'>
// value: <empty>
//
// Note: This has changed from `GURL origin` to StorageKey but the name will
// be updated in the future to avoid a migration.
// TODO(crbug.com/1199077): Update name during a migration to Version 3.
// key: "REG:" + <StorageKey 'key'> + '\x00' + <int64_t 'registration_id'>
// (ex. "REG:http://example.com\x00123456")
// value: <ServiceWorkerRegistrationData serialized as a string>
//
// key: "REG_HAS_USER_DATA:" + <std::string 'user_data_name'> + '\x00'
// + <int64_t 'registration_id'>
// value: <empty>
//
// key: "REG_USER_DATA:" + <int64_t 'registration_id'> + '\x00'
// + <std::string user_data_name>
// (ex. "REG_USER_DATA:123456\x00foo_bar")
// value: <std::string user_data>
//
// key: "RES:" + <int64_t 'version_id'> + '\x00' + <int64_t 'resource_id'>
// (ex. "RES:123456\x00654321")
// value: <ServiceWorkerResourceRecord serialized as a string>
//
// key: "URES:" + <int64_t 'uncommitted_resource_id'>
// value: <empty>
//
// Version 2
//
// Note: This has changed from `GURL origin` to StorageKey but the name will
// be updated in the future to avoid a migration.
// TODO(crbug.com/1199077): Update name during a migration to Version 3.
// key: "REGID_TO_ORIGIN:" + <int64_t 'registration_id'>
// value: <GURL 'origin'>
//
// OBSOLETE: https://crbug.com/539713
// key: "INITDATA_DISKCACHE_MIGRATION_NOT_NEEDED"
// value: <empty>
// - This entry represents that the diskcache uses the Simple backend and
// does not have to do diskcache migration (http://crbug.com/487482).
//
// OBSOLETE: https://crbug.com/539713
// key: "INITDATA_OLD_DISKCACHE_DELETION_NOT_NEEDED"
// value: <empty>
// - This entry represents that the old BlockFile diskcache was deleted
// after diskcache migration (http://crbug.com/487482).
//
// OBSOLETE: https://crbug.com/788604
// key: "INITDATA_FOREIGN_FETCH_ORIGIN:" + <GURL 'origin'>
// value: <empty>
namespace storage {
namespace service_worker_internals {
const char kDatabaseVersionKey[] = "INITDATA_DB_VERSION";
const char kNextRegIdKey[] = "INITDATA_NEXT_REGISTRATION_ID";
const char kNextResIdKey[] = "INITDATA_NEXT_RESOURCE_ID";
const char kNextVerIdKey[] = "INITDATA_NEXT_VERSION_ID";
const char kUniqueOriginKey[] = "INITDATA_UNIQUE_ORIGIN:";
const char kRegKeyPrefix[] = "REG:";
const char kRegUserDataKeyPrefix[] = "REG_USER_DATA:";
const char kRegHasUserDataKeyPrefix[] = "REG_HAS_USER_DATA:";
const char kRegIdToOriginKeyPrefix[] = "REGID_TO_ORIGIN:";
const char kResKeyPrefix[] = "RES:";
const char kKeySeparator = '\x00';
const char kUncommittedResIdKeyPrefix[] = "URES:";
const char kPurgeableResIdKeyPrefix[] = "PRES:";
const int64_t kCurrentSchemaVersion = 2;
} // namespace service_worker_internals
namespace {
// The data size is usually small, but the values are changed frequently. So,
// set a low write buffer size to trigger compaction more often.
constexpr size_t kWriteBufferSize = 512 * 1024;
class ServiceWorkerEnv : public leveldb_env::ChromiumEnv {
public:
ServiceWorkerEnv()
: ChromiumEnv("LevelDBEnv.ServiceWorker",
storage::CreateFilesystemProxy()) {}
// Returns a shared instance of ServiceWorkerEnv. This is thread-safe.
static ServiceWorkerEnv* GetInstance() {
static base::NoDestructor<ServiceWorkerEnv> instance;
return instance.get();
}
};
bool RemovePrefix(const std::string& str,
const std::string& prefix,
std::string* out) {
if (!base::StartsWith(str, prefix, base::CompareCase::SENSITIVE))
return false;
if (out)
*out = str.substr(prefix.size());
return true;
}
std::string CreateRegistrationKeyPrefix(const StorageKey& key) {
return base::StringPrintf("%s%s%c", service_worker_internals::kRegKeyPrefix,
key.Serialize().c_str(),
service_worker_internals::kKeySeparator);
}
std::string CreateRegistrationKey(int64_t registration_id,
const StorageKey& key) {
return CreateRegistrationKeyPrefix(key).append(
base::NumberToString(registration_id));
}
std::string CreateResourceRecordKeyPrefix(int64_t version_id) {
return base::StringPrintf("%s%s%c", service_worker_internals::kResKeyPrefix,
base::NumberToString(version_id).c_str(),
service_worker_internals::kKeySeparator);
}
std::string CreateResourceRecordKey(int64_t version_id, int64_t resource_id) {
return CreateResourceRecordKeyPrefix(version_id)
.append(base::NumberToString(resource_id));
}
std::string CreateUniqueOriginKey(const StorageKey& key) {
return base::StringPrintf("%s%s", service_worker_internals::kUniqueOriginKey,
key.Serialize().c_str());
}
std::string CreateResourceIdKey(const char* key_prefix, int64_t resource_id) {
return base::StringPrintf("%s%s", key_prefix,
base::NumberToString(resource_id).c_str());
}
std::string CreateUserDataKeyPrefix(int64_t registration_id) {
return base::StringPrintf("%s%s%c",
service_worker_internals::kRegUserDataKeyPrefix,
base::NumberToString(registration_id).c_str(),
service_worker_internals::kKeySeparator);
}
std::string CreateUserDataKey(int64_t registration_id,
const std::string& user_data_name) {
return CreateUserDataKeyPrefix(registration_id).append(user_data_name);
}
std::string CreateHasUserDataKeyPrefix(const std::string& user_data_name) {
return base::StringPrintf(
"%s%s%c", service_worker_internals::kRegHasUserDataKeyPrefix,
user_data_name.c_str(), service_worker_internals::kKeySeparator);
}
std::string CreateHasUserDataKey(int64_t registration_id,
const std::string& user_data_name) {
return CreateHasUserDataKeyPrefix(user_data_name)
.append(base::NumberToString(registration_id));
}
std::string CreateRegistrationIdToStorageKey(int64_t registration_id) {
return base::StringPrintf("%s%s",
service_worker_internals::kRegIdToOriginKeyPrefix,
base::NumberToString(registration_id).c_str());
}
void PutUniqueOriginToBatch(const StorageKey& key, leveldb::WriteBatch* batch) {
// Value should be empty.
batch->Put(CreateUniqueOriginKey(key), "");
}
void PutPurgeableResourceIdToBatch(int64_t resource_id,
leveldb::WriteBatch* batch) {
// Value should be empty.
batch->Put(
CreateResourceIdKey(service_worker_internals::kPurgeableResIdKeyPrefix,
resource_id),
"");
}
ServiceWorkerDatabase::Status ParseId(const std::string& serialized,
int64_t* out) {
DCHECK(out);
int64_t id;
if (!base::StringToInt64(serialized, &id) || id < 0)
return ServiceWorkerDatabase::Status::kErrorCorrupted;
*out = id;
return ServiceWorkerDatabase::Status::kOk;
}
ServiceWorkerDatabase::Status LevelDBStatusToServiceWorkerDBStatus(
const leveldb::Status& status) {
if (status.ok())
return ServiceWorkerDatabase::Status::kOk;
else if (status.IsNotFound())
return ServiceWorkerDatabase::Status::kErrorNotFound;
else if (status.IsIOError())
return ServiceWorkerDatabase::Status::kErrorIOError;
else if (status.IsCorruption())
return ServiceWorkerDatabase::Status::kErrorCorrupted;
else if (status.IsNotSupportedError())
return ServiceWorkerDatabase::Status::kErrorNotSupported;
else
return ServiceWorkerDatabase::Status::kErrorFailed;
}
int64_t AccumulateResourceSizeInBytes(
const std::vector<mojom::ServiceWorkerResourceRecordPtr>& resources) {
int64_t total_size_bytes = 0;
for (const auto& resource : resources)
total_size_bytes += resource->size_bytes;
return total_size_bytes;
}
} // namespace
const char* ServiceWorkerDatabase::StatusToString(
ServiceWorkerDatabase::Status status) {
switch (status) {
case ServiceWorkerDatabase::Status::kOk:
return "Database OK";
case ServiceWorkerDatabase::Status::kErrorNotFound:
return "Database not found";
case ServiceWorkerDatabase::Status::kErrorIOError:
return "Database IO error";
case ServiceWorkerDatabase::Status::kErrorCorrupted:
return "Database corrupted";
case ServiceWorkerDatabase::Status::kErrorFailed:
return "Database operation failed";
case ServiceWorkerDatabase::Status::kErrorNotSupported:
return "Database operation not supported";
case ServiceWorkerDatabase::Status::kErrorDisabled:
return "Database is disabled";
case ServiceWorkerDatabase::Status::kErrorStorageDisconnected:
return "Storage is disconnected";
}
NOTREACHED();
return "Database unknown error";
}
ServiceWorkerDatabase::ServiceWorkerDatabase(const base::FilePath& path)
: path_(path),
next_avail_registration_id_(0),
next_avail_resource_id_(0),
next_avail_version_id_(0),
state_(DATABASE_STATE_UNINITIALIZED) {
DETACH_FROM_SEQUENCE(sequence_checker_);
}
ServiceWorkerDatabase::~ServiceWorkerDatabase() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
db_.reset();
}
ServiceWorkerDatabase::DeletedVersion::DeletedVersion() = default;
ServiceWorkerDatabase::DeletedVersion::DeletedVersion(const DeletedVersion&) =
default;
ServiceWorkerDatabase::DeletedVersion::~DeletedVersion() = default;
ServiceWorkerDatabase::Status ServiceWorkerDatabase::GetNextAvailableIds(
int64_t* next_avail_registration_id,
int64_t* next_avail_version_id,
int64_t* next_avail_resource_id) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
DCHECK(next_avail_registration_id);
DCHECK(next_avail_version_id);
DCHECK(next_avail_resource_id);
Status status = LazyOpen(false);
if (IsNewOrNonexistentDatabase(status)) {
*next_avail_registration_id = 0;
*next_avail_version_id = 0;
*next_avail_resource_id = 0;
return Status::kOk;
}
if (status != Status::kOk)
return status;
status = ReadNextAvailableId(service_worker_internals::kNextRegIdKey,
&next_avail_registration_id_);
if (status != Status::kOk)
return status;
status = ReadNextAvailableId(service_worker_internals::kNextVerIdKey,
&next_avail_version_id_);
if (status != Status::kOk)
return status;
status = ReadNextAvailableId(service_worker_internals::kNextResIdKey,
&next_avail_resource_id_);
if (status != Status::kOk)
return status;
*next_avail_registration_id = next_avail_registration_id_;
*next_avail_version_id = next_avail_version_id_;
*next_avail_resource_id = next_avail_resource_id_;
return Status::kOk;
}
ServiceWorkerDatabase::Status
ServiceWorkerDatabase::GetStorageKeysWithRegistrations(
std::set<StorageKey>* keys) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
DCHECK(keys->empty());
Status status = LazyOpen(false);
if (IsNewOrNonexistentDatabase(status))
return Status::kOk;
if (status != Status::kOk)
return status;
{
std::unique_ptr<leveldb::Iterator> itr(
db_->NewIterator(leveldb::ReadOptions()));
for (itr->Seek(service_worker_internals::kUniqueOriginKey); itr->Valid();
itr->Next()) {
status = LevelDBStatusToServiceWorkerDBStatus(itr->status());
if (status != Status::kOk) {
keys->clear();
break;
}
std::string key_str;
if (!RemovePrefix(itr->key().ToString(),
service_worker_internals::kUniqueOriginKey, &key_str))
break;
StorageKey key = StorageKey::Deserialize(key_str);
if (key.opaque()) {
status = Status::kErrorCorrupted;
keys->clear();
break;
}
keys->insert(key);
}
}
HandleReadResult(FROM_HERE, status);
return status;
}
ServiceWorkerDatabase::Status
ServiceWorkerDatabase::GetRegistrationsForStorageKey(
const StorageKey& key,
std::vector<mojom::ServiceWorkerRegistrationDataPtr>* registrations,
std::vector<std::vector<mojom::ServiceWorkerResourceRecordPtr>>*
opt_resources_list) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
DCHECK(registrations->empty());
Status status = LazyOpen(false);
if (IsNewOrNonexistentDatabase(status))
return Status::kOk;
if (status != Status::kOk)
return status;
std::string prefix = CreateRegistrationKeyPrefix(key);
// Read all registrations.
{
std::unique_ptr<leveldb::Iterator> itr(
db_->NewIterator(leveldb::ReadOptions()));
for (itr->Seek(prefix); itr->Valid(); itr->Next()) {
status = LevelDBStatusToServiceWorkerDBStatus(itr->status());
if (status != Status::kOk) {
registrations->clear();
if (opt_resources_list)
opt_resources_list->clear();
break;
}
if (!RemovePrefix(itr->key().ToString(), prefix, nullptr))
break;
mojom::ServiceWorkerRegistrationDataPtr registration;
status = ParseRegistrationData(itr->value().ToString(), ®istration);
if (status != Status::kOk) {
registrations->clear();
if (opt_resources_list)
opt_resources_list->clear();
break;
}
registrations->push_back(std::move(registration));
}
}
// Count reading all registrations as one "read operation" for UMA
// purposes.
HandleReadResult(FROM_HERE, status);
if (status != Status::kOk)
return status;
// Read the resources if requested. This must be done after the loop with
// leveldb::Iterator above, because it calls ReadResouceRecords() which
// deletes |db_| on failure, and iterators must be destroyed before the
// database.
if (opt_resources_list) {
for (const auto& registration : *registrations) {
std::vector<mojom::ServiceWorkerResourceRecordPtr> resources;
// NOTE: ReadResourceRecords already calls HandleReadResult() on its own,
// so to avoid double-counting the UMA, don't call it again after this.
status = ReadResourceRecords(*registration, &resources);
if (status != Status::kOk) {
registrations->clear();
opt_resources_list->clear();
break;
}
opt_resources_list->push_back(std::move(resources));
}
}
return status;
}
ServiceWorkerDatabase::Status ServiceWorkerDatabase::GetUsageForStorageKey(
const StorageKey& key,
int64_t& out_usage) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
out_usage = 0;
Status status = LazyOpen(false);
if (IsNewOrNonexistentDatabase(status))
return Status::kOk;
if (status != Status::kOk)
return status;
std::string prefix = CreateRegistrationKeyPrefix(key);
// Read all registrations.
{
std::unique_ptr<leveldb::Iterator> itr(
db_->NewIterator(leveldb::ReadOptions()));
for (itr->Seek(prefix); itr->Valid(); itr->Next()) {
status = LevelDBStatusToServiceWorkerDBStatus(itr->status());
if (status != Status::kOk)
break;
if (!RemovePrefix(itr->key().ToString(), prefix, nullptr))
break;
mojom::ServiceWorkerRegistrationDataPtr registration;
status = ParseRegistrationData(itr->value().ToString(), ®istration);
if (status != Status::kOk)
break;
out_usage += registration->resources_total_size_bytes;
}
}
// Count reading all registrations as one "read operation" for UMA
// purposes.
HandleReadResult(FROM_HERE, status);
if (status != Status::kOk) {
out_usage = 0;
}
return status;
}
ServiceWorkerDatabase::Status ServiceWorkerDatabase::GetAllRegistrations(
std::vector<mojom::ServiceWorkerRegistrationDataPtr>* registrations) {
static base::debug::CrashKeyString* crash_key =
base::debug::AllocateCrashKeyString("num_registrations",
base::debug::CrashKeySize::Size32);
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
DCHECK(registrations->empty());
Status status = LazyOpen(false);
if (IsNewOrNonexistentDatabase(status))
return Status::kOk;
if (status != Status::kOk)
return status;
{
std::unique_ptr<leveldb::Iterator> itr(
db_->NewIterator(leveldb::ReadOptions()));
for (itr->Seek(service_worker_internals::kRegKeyPrefix); itr->Valid();
itr->Next()) {
base::debug::ScopedCrashKeyString num_registrations_crash(
crash_key, base::NumberToString(registrations->size()));
status = LevelDBStatusToServiceWorkerDBStatus(itr->status());
if (status != Status::kOk) {
registrations->clear();
break;
}
if (!RemovePrefix(itr->key().ToString(),
service_worker_internals::kRegKeyPrefix, nullptr))
break;
mojom::ServiceWorkerRegistrationDataPtr registration;
status = ParseRegistrationData(itr->value().ToString(), ®istration);
if (status != Status::kOk) {
registrations->clear();
break;
}
registrations->push_back(std::move(registration));
}
}
HandleReadResult(FROM_HERE, status);
return status;
}
ServiceWorkerDatabase::Status ServiceWorkerDatabase::ReadRegistration(
int64_t registration_id,
const StorageKey& key,
mojom::ServiceWorkerRegistrationDataPtr* registration,
std::vector<mojom::ServiceWorkerResourceRecordPtr>* resources) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
DCHECK(registration);
DCHECK(resources);
Status status = LazyOpen(false);
if (IsNewOrNonexistentDatabase(status))
return Status::kErrorNotFound;
if (status != Status::kOk)
return status;
status = ReadRegistrationData(registration_id, key, registration);
if (status != Status::kOk)
return status;
status = ReadResourceRecords(**registration, resources);
if (status != Status::kOk)
return status;
// ResourceRecord must contain the ServiceWorker's main script.
if (resources->empty())
return Status::kErrorCorrupted;
return Status::kOk;
}
ServiceWorkerDatabase::Status ServiceWorkerDatabase::ReadRegistrationStorageKey(
int64_t registration_id,
StorageKey* key) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
DCHECK(key);
Status status = LazyOpen(true);
if (IsNewOrNonexistentDatabase(status))
return Status::kErrorNotFound;
if (status != Status::kOk)
return status;
std::string value;
status = LevelDBStatusToServiceWorkerDBStatus(
db_->Get(leveldb::ReadOptions(),
CreateRegistrationIdToStorageKey(registration_id), &value));
if (status != Status::kOk) {
HandleReadResult(FROM_HERE,
status == Status::kErrorNotFound ? Status::kOk : status);
return status;
}
StorageKey parsed = StorageKey::Deserialize(value);
if (parsed.opaque()) {
status = Status::kErrorCorrupted;
HandleReadResult(FROM_HERE, status);
return status;
}
*key = std::move(parsed);
HandleReadResult(FROM_HERE, Status::kOk);
return Status::kOk;
}
ServiceWorkerDatabase::Status ServiceWorkerDatabase::WriteRegistration(
const mojom::ServiceWorkerRegistrationData& registration,
const std::vector<mojom::ServiceWorkerResourceRecordPtr>& resources,
DeletedVersion* deleted_version) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
DCHECK(deleted_version);
DCHECK(!resources.empty());
Status status = LazyOpen(true);
deleted_version->version_id = blink::mojom::kInvalidServiceWorkerVersionId;
if (status != Status::kOk)
return status;
leveldb::WriteBatch batch;
BumpNextRegistrationIdIfNeeded(registration.registration_id, &batch);
BumpNextVersionIdIfNeeded(registration.version_id, &batch);
PutUniqueOriginToBatch(
StorageKey(url::Origin::Create(registration.scope.GetOrigin())), &batch);
DCHECK_EQ(AccumulateResourceSizeInBytes(resources),
registration.resources_total_size_bytes)
<< "The total size in the registration must match the cumulative "
<< "sizes of the resources.";
WriteRegistrationDataInBatch(registration, &batch);
// TODO(crbug.com/1199077): Update when RegistrationData uses StorageKey
StorageKey key(url::Origin::Create(registration.scope.GetOrigin()));
batch.Put(CreateRegistrationIdToStorageKey(registration.registration_id),
key.Serialize());
// Used for avoiding multiple writes for the same resource id or url.
std::set<int64_t> pushed_resources;
std::set<GURL> pushed_urls;
for (auto itr = resources.begin(); itr != resources.end(); ++itr) {
if (!(*itr)->url.is_valid())
return Status::kErrorFailed;
// Duplicated resource id or url should not exist.
DCHECK(pushed_resources.insert((*itr)->resource_id).second);
DCHECK(pushed_urls.insert((*itr)->url).second);
WriteResourceRecordInBatch(**itr, registration.version_id, &batch);
// Delete a resource from the uncommitted list.
batch.Delete(CreateResourceIdKey(
service_worker_internals::kUncommittedResIdKeyPrefix,
(*itr)->resource_id));
// Delete from the purgeable list in case this version was once deleted.
batch.Delete(
CreateResourceIdKey(service_worker_internals::kPurgeableResIdKeyPrefix,
(*itr)->resource_id));
}
// Retrieve a previous version to sweep purgeable resources.
mojom::ServiceWorkerRegistrationDataPtr old_registration;
status = ReadRegistrationData(
registration.registration_id,
StorageKey(url::Origin::Create(registration.scope)), &old_registration);
if (status != Status::kOk && status != Status::kErrorNotFound)
return status;
if (status == Status::kOk) {
DCHECK_LT(old_registration->version_id, registration.version_id);
deleted_version->registration_id = old_registration->registration_id;
deleted_version->version_id = old_registration->version_id;
deleted_version->resources_total_size_bytes =
old_registration->resources_total_size_bytes;
status = DeleteResourceRecords(old_registration->version_id,
&deleted_version->newly_purgeable_resources,
&batch);
if (status != Status::kOk)
return status;
// Currently resource sharing across versions and registrations is not
// supported, so resource ids should not be overlapped between
// |registration| and |old_registration|.
std::set<int64_t> deleted_resources(
deleted_version->newly_purgeable_resources.begin(),
deleted_version->newly_purgeable_resources.end());
DCHECK(base::STLSetIntersection<std::set<int64_t>>(pushed_resources,
deleted_resources)
.empty());
}
return WriteBatch(&batch);
}
ServiceWorkerDatabase::Status ServiceWorkerDatabase::UpdateVersionToActive(
int64_t registration_id,
const StorageKey& key) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
Status status = LazyOpen(false);
if (IsNewOrNonexistentDatabase(status))
return Status::kErrorNotFound;
if (status != Status::kOk)
return status;
if (key.opaque())
return Status::kErrorFailed;
mojom::ServiceWorkerRegistrationDataPtr registration;
status = ReadRegistrationData(registration_id, key, ®istration);
if (status != Status::kOk)
return status;
registration->is_active = true;
leveldb::WriteBatch batch;
WriteRegistrationDataInBatch(*registration, &batch);
return WriteBatch(&batch);
}
ServiceWorkerDatabase::Status ServiceWorkerDatabase::UpdateLastCheckTime(
int64_t registration_id,
const StorageKey& key,
const base::Time& time) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
Status status = LazyOpen(false);
if (IsNewOrNonexistentDatabase(status))
return Status::kErrorNotFound;
if (status != Status::kOk)
return status;
if (key.opaque())
return Status::kErrorFailed;
mojom::ServiceWorkerRegistrationDataPtr registration;
status = ReadRegistrationData(registration_id, key, ®istration);
if (status != Status::kOk)
return status;
registration->last_update_check = time;
leveldb::WriteBatch batch;
WriteRegistrationDataInBatch(*registration, &batch);
return WriteBatch(&batch);
}
ServiceWorkerDatabase::Status
ServiceWorkerDatabase::UpdateNavigationPreloadEnabled(int64_t registration_id,
const StorageKey& key,
bool enable) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
Status status = LazyOpen(false);
if (IsNewOrNonexistentDatabase(status))
return Status::kErrorNotFound;
if (status != Status::kOk)
return status;
if (key.opaque())
return Status::kErrorFailed;
mojom::ServiceWorkerRegistrationDataPtr registration;
status = ReadRegistrationData(registration_id, key, ®istration);
if (status != Status::kOk)
return status;
registration->navigation_preload_state->enabled = enable;
leveldb::WriteBatch batch;
WriteRegistrationDataInBatch(*registration, &batch);
return WriteBatch(&batch);
}
ServiceWorkerDatabase::Status
ServiceWorkerDatabase::UpdateNavigationPreloadHeader(int64_t registration_id,
const StorageKey& key,
const std::string& value) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
Status status = LazyOpen(false);
if (IsNewOrNonexistentDatabase(status))
return Status::kErrorNotFound;
if (status != Status::kOk)
return status;
if (key.opaque())
return Status::kErrorFailed;
mojom::ServiceWorkerRegistrationDataPtr registration;
status = ReadRegistrationData(registration_id, key, ®istration);
if (status != Status::kOk)
return status;
registration->navigation_preload_state->header = value;
leveldb::WriteBatch batch;
WriteRegistrationDataInBatch(*registration, &batch);
return WriteBatch(&batch);
}
ServiceWorkerDatabase::Status ServiceWorkerDatabase::DeleteRegistration(
int64_t registration_id,
const StorageKey& key,
DeletedVersion* deleted_version) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
DCHECK(deleted_version);
deleted_version->version_id = blink::mojom::kInvalidServiceWorkerVersionId;
Status status = LazyOpen(false);
if (IsNewOrNonexistentDatabase(status))
return Status::kOk;
if (status != Status::kOk)
return status;
if (key.opaque())
return Status::kErrorFailed;
leveldb::WriteBatch batch;
// Remove |key| from unique origins if a registration specified by
// |registration_id| is the only one for |key|.
// TODO(nhiroki): Check the uniqueness by more efficient way.
std::vector<mojom::ServiceWorkerRegistrationDataPtr> registrations;
status = GetRegistrationsForStorageKey(key, ®istrations, nullptr);
if (status != Status::kOk)
return status;
if (registrations.size() == 1 &&
registrations[0]->registration_id == registration_id) {
batch.Delete(CreateUniqueOriginKey(key));
}
// Delete a registration specified by |registration_id|.
batch.Delete(CreateRegistrationKey(registration_id, key));
batch.Delete(CreateRegistrationIdToStorageKey(registration_id));
// Delete resource records and user data associated with the registration.
for (const auto& registration : registrations) {
if (registration->registration_id == registration_id) {
deleted_version->registration_id = registration_id;
deleted_version->version_id = registration->version_id;
deleted_version->resources_total_size_bytes =
registration->resources_total_size_bytes;
status = DeleteResourceRecords(
registration->version_id, &deleted_version->newly_purgeable_resources,
&batch);
if (status != Status::kOk)
return status;
status = DeleteUserDataForRegistration(registration_id, &batch);
if (status != Status::kOk)
return status;
break;
}
}
return WriteBatch(&batch);
}
ServiceWorkerDatabase::Status ServiceWorkerDatabase::ReadUserData(
int64_t registration_id,
const std::vector<std::string>& user_data_names,
std::vector<std::string>* user_data_values) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
DCHECK_NE(blink::mojom::kInvalidServiceWorkerRegistrationId, registration_id);
DCHECK(!user_data_names.empty());
DCHECK(user_data_values);
Status status = LazyOpen(false);
if (IsNewOrNonexistentDatabase(status))
return Status::kErrorNotFound;
if (status != Status::kOk)
return status;
user_data_values->resize(user_data_names.size());
for (size_t i = 0; i < user_data_names.size(); i++) {
const std::string key =
CreateUserDataKey(registration_id, user_data_names[i]);
status = LevelDBStatusToServiceWorkerDBStatus(
db_->Get(leveldb::ReadOptions(), key, &(*user_data_values)[i]));
if (status != Status::kOk) {
user_data_values->clear();
break;
}
}
HandleReadResult(FROM_HERE,
status == Status::kErrorNotFound ? Status::kOk : status);
return status;
}
ServiceWorkerDatabase::Status ServiceWorkerDatabase::ReadUserDataByKeyPrefix(
int64_t registration_id,
const std::string& user_data_name_prefix,
std::vector<std::string>* user_data_values) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
DCHECK_NE(blink::mojom::kInvalidServiceWorkerRegistrationId, registration_id);
DCHECK(user_data_values);
Status status = LazyOpen(false);
if (IsNewOrNonexistentDatabase(status))
return Status::kErrorNotFound;
if (status != Status::kOk)
return status;
std::string prefix =
CreateUserDataKey(registration_id, user_data_name_prefix);
{
std::unique_ptr<leveldb::Iterator> itr(
db_->NewIterator(leveldb::ReadOptions()));
for (itr->Seek(prefix); itr->Valid(); itr->Next()) {
status = LevelDBStatusToServiceWorkerDBStatus(itr->status());
if (status != Status::kOk) {
user_data_values->clear();
break;
}
if (!itr->key().starts_with(prefix))
break;
std::string user_data_value;
status = LevelDBStatusToServiceWorkerDBStatus(
db_->Get(leveldb::ReadOptions(), itr->key(), &user_data_value));
if (status != Status::kOk) {
user_data_values->clear();
break;
}
user_data_values->push_back(user_data_value);
}
}
HandleReadResult(FROM_HERE, status);
return status;
}
ServiceWorkerDatabase::Status
ServiceWorkerDatabase::ReadUserKeysAndDataByKeyPrefix(
int64_t registration_id,
const std::string& user_data_name_prefix,
base::flat_map<std::string, std::string>* user_data_map) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
DCHECK_NE(blink::mojom::kInvalidServiceWorkerRegistrationId, registration_id);
DCHECK(user_data_map);
Status status = LazyOpen(false);
if (IsNewOrNonexistentDatabase(status))
return Status::kErrorNotFound;
if (status != Status::kOk)
return status;
std::string prefix =
CreateUserDataKey(registration_id, user_data_name_prefix);
{
std::unique_ptr<leveldb::Iterator> itr(
db_->NewIterator(leveldb::ReadOptions()));
for (itr->Seek(prefix); itr->Valid(); itr->Next()) {
status = LevelDBStatusToServiceWorkerDBStatus(itr->status());
if (status != Status::kOk) {
user_data_map->clear();
break;
}
if (!itr->key().starts_with(prefix))
break;
std::string user_data_value;
status = LevelDBStatusToServiceWorkerDBStatus(
db_->Get(leveldb::ReadOptions(), itr->key(), &user_data_value));
if (status != Status::kOk) {
user_data_map->clear();
break;
}
leveldb::Slice s = itr->key();
s.remove_prefix(prefix.size());
// Always insert at the end of the map as they're retrieved presorted from
// the database.
user_data_map->insert(user_data_map->end(),
{s.ToString(), user_data_value});
}
}
HandleReadResult(FROM_HERE, status);
return status;
}
ServiceWorkerDatabase::Status ServiceWorkerDatabase::WriteUserData(
int64_t registration_id,
const StorageKey& key,
const std::vector<mojom::ServiceWorkerUserDataPtr>& user_data) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
DCHECK_NE(blink::mojom::kInvalidServiceWorkerRegistrationId, registration_id);
DCHECK(!user_data.empty());
Status status = LazyOpen(false);