nagai/fune
3
0
Fork 0
forked from mirrors/gecko-dev
Code Pull requests Activity
fune/toolkit/components/places/Database.cpp
Marco Bonardo 2648d2bb1e Bug 1879885 - Improve Places origins frecency. r=daisuke,places-reviewers 
This makes a small change to the origins frecency by introducing a cut-off
of 90 days to the sum of frecencies in the origin. That will make the ranking
more recency prone. Bookmarks continue being autofilled regardless.
This also simplifies the threshold removing the stddev that we pretty much
never used.

Differential Revision: https://phabricator.services.mozilla.com/D201723
2024-02-21 15:07:13 +00:00

2293 lines
81 KiB
C++
Raw Blame History

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "mozilla/ArrayUtils.h"
#include "mozilla/Attributes.h"
#include "mozilla/DebugOnly.h"
#include "mozilla/ScopeExit.h"
#include "mozilla/SpinEventLoopUntil.h"
#include "mozilla/StaticPrefs_places.h"
#include "Database.h"
#include "nsIInterfaceRequestorUtils.h"
#include "nsIFile.h"
#include "nsNavBookmarks.h"
#include "nsNavHistory.h"
#include "nsPlacesTables.h"
#include "nsPlacesIndexes.h"
#include "nsPlacesTriggers.h"
#include "nsPlacesMacros.h"
#include "nsVariant.h"
#include "SQLFunctions.h"
#include "Helpers.h"
#include "nsFaviconService.h"
#include "nsAppDirectoryServiceDefs.h"
#include "nsDirectoryServiceUtils.h"
#include "prenv.h"
#include "prsystem.h"
#include "nsPrintfCString.h"
#include "mozilla/Preferences.h"
#include "mozilla/Services.h"
#include "mozilla/Unused.h"
#include "mozIStorageService.h"
#include "prtime.h"
#include "nsXULAppAPI.h"
// Time between corrupt database backups.
#define RECENT_BACKUP_TIME_MICROSEC (int64_t)86400 * PR_USEC_PER_SEC // 24H
// Filename of the database.
#define DATABASE_FILENAME u"places.sqlite"_ns
// Filename of the icons database.
#define DATABASE_FAVICONS_FILENAME u"favicons.sqlite"_ns
// Set to the database file name when it was found corrupt by a previous
// maintenance run.
#define PREF_FORCE_DATABASE_REPLACEMENT \
"places.database.replaceDatabaseOnStartup"
// Whether on corruption we should try to fix the database by cloning it.
#define PREF_DATABASE_CLONEONCORRUPTION "places.database.cloneOnCorruption"
// Set to specify the size of the places database growth increments in kibibytes
#define PREF_GROWTH_INCREMENT_KIB "places.database.growthIncrementKiB"
// Set to disable the default robust storage and use volatile, in-memory
// storage without robust transaction flushing guarantees. This makes
// SQLite use much less I/O at the cost of losing data when things crash.
// The pref is only honored if an environment variable is set. The env
// variable is intentionally named something scary to help prevent someone
// from thinking it is a useful performance optimization they should enable.
#define PREF_DISABLE_DURABILITY "places.database.disableDurability"
#define PREF_PREVIEWS_ENABLED "places.previews.enabled"
#define ENV_ALLOW_CORRUPTION \
"ALLOW_PLACES_DATABASE_TO_LOSE_DATA_AND_BECOME_CORRUPT"
// Maximum size for the WAL file.
// For performance reasons this should be as large as possible, so that more
// transactions can fit into it, and the checkpoint cost is paid less often.
// At the same time, since we use synchronous = NORMAL, an fsync happens only
// at checkpoint time, so we don't want the WAL to grow too much and risk to
// lose all the contained transactions on a crash.
#define DATABASE_MAX_WAL_BYTES 2048000
// Since exceeding the journal limit will cause a truncate, we allow a slightly
// larger limit than DATABASE_MAX_WAL_BYTES to reduce the number of truncates.
// This is the number of bytes the journal can grow over the maximum wal size
// before being truncated.
#define DATABASE_JOURNAL_OVERHEAD_BYTES 2048000
#define BYTES_PER_KIBIBYTE 1024
// How much time Sqlite can wait before returning a SQLITE_BUSY error.
#define DATABASE_BUSY_TIMEOUT_MS 100
// This annotation is no longer used & is obsolete, but here for migration.
#define LAST_USED_ANNO "bookmarkPropertiesDialog/folderLastUsed"_ns
// This is key in the meta table that the LAST_USED_ANNO is migrated to.
#define LAST_USED_FOLDERS_META_KEY "places/bookmarks/edit/lastusedfolder"_ns
// We use a fixed title for the mobile root to avoid marking the database as
// corrupt if we can't look up the localized title in the string bundle. Sync
// sets the title to the localized version when it creates the left pane query.
#define MOBILE_ROOT_TITLE "mobile"
// Legacy item annotation used by the old Sync engine.
#define SYNC_PARENT_ANNO "sync/parent"
using namespace mozilla;
namespace mozilla::places {
namespace {
////////////////////////////////////////////////////////////////////////////////
//// Helpers
/**
* Get the filename for a corrupt database.
*/
nsString getCorruptFilename(const nsString& aDbFilename) {
return aDbFilename + u".corrupt"_ns;
}
/**
* Get the filename for a recover database.
*/
nsString getRecoverFilename(const nsString& aDbFilename) {
return aDbFilename + u".recover"_ns;
}
/**
* Checks whether exists a corrupt database file created not longer than
* RECENT_BACKUP_TIME_MICROSEC ago.
*/
bool isRecentCorruptFile(const nsCOMPtr<nsIFile>& aCorruptFile) {
MOZ_ASSERT(NS_IsMainThread());
bool fileExists = false;
if (NS_FAILED(aCorruptFile->Exists(&fileExists)) || !fileExists) {
return false;
}
PRTime lastMod = 0;
return NS_SUCCEEDED(aCorruptFile->GetLastModifiedTime(&lastMod)) &&
lastMod > 0 && (PR_Now() - lastMod) <= RECENT_BACKUP_TIME_MICROSEC;
}
/**
* Removes a file, optionally adding a suffix to the file name.
*/
void RemoveFileSwallowsErrors(const nsCOMPtr<nsIFile>& aFile,
const nsString& aSuffix = u""_ns) {
nsCOMPtr<nsIFile> file;
MOZ_ALWAYS_SUCCEEDS(aFile->Clone(getter_AddRefs(file)));
if (!aSuffix.IsEmpty()) {
nsAutoString newFileName;
file->GetLeafName(newFileName);
newFileName.Append(aSuffix);
MOZ_ALWAYS_SUCCEEDS(file->SetLeafName(newFileName));
}
DebugOnly<nsresult> rv = file->Remove(false);
NS_WARNING_ASSERTION(NS_SUCCEEDED(rv), "Failed to remove file.");
}
/**
* Sets the connection journal mode to one of the JOURNAL_* types.
*
* @param aDBConn
* The database connection.
* @param aJournalMode
* One of the JOURNAL_* types.
* @returns the current journal mode.
* @note this may return a different journal mode than the required one, since
* setting it may fail.
*/
enum JournalMode SetJournalMode(nsCOMPtr<mozIStorageConnection>& aDBConn,
enum JournalMode aJournalMode) {
MOZ_ASSERT(NS_IsMainThread());
nsAutoCString journalMode;
switch (aJournalMode) {
default:
MOZ_FALLTHROUGH_ASSERT("Trying to set an unknown journal mode.");
// Fall through to the default DELETE journal.
case JOURNAL_DELETE:
journalMode.AssignLiteral("delete");
break;
case JOURNAL_TRUNCATE:
journalMode.AssignLiteral("truncate");
break;
case JOURNAL_MEMORY:
journalMode.AssignLiteral("memory");
break;
case JOURNAL_WAL:
journalMode.AssignLiteral("wal");
break;
}
nsCOMPtr<mozIStorageStatement> statement;
nsAutoCString query(MOZ_STORAGE_UNIQUIFY_QUERY_STR "PRAGMA journal_mode = ");
query.Append(journalMode);
aDBConn->CreateStatement(query, getter_AddRefs(statement));
NS_ENSURE_TRUE(statement, JOURNAL_DELETE);
bool hasResult = false;
if (NS_SUCCEEDED(statement->ExecuteStep(&hasResult)) && hasResult &&
NS_SUCCEEDED(statement->GetUTF8String(0, journalMode))) {
if (journalMode.EqualsLiteral("delete")) {
return JOURNAL_DELETE;
}
if (journalMode.EqualsLiteral("truncate")) {
return JOURNAL_TRUNCATE;
}
if (journalMode.EqualsLiteral("memory")) {
return JOURNAL_MEMORY;
}
if (journalMode.EqualsLiteral("wal")) {
return JOURNAL_WAL;
}
MOZ_ASSERT(false, "Got an unknown journal mode.");
}
return JOURNAL_DELETE;
}
nsresult CreateRoot(nsCOMPtr<mozIStorageConnection>& aDBConn,
const nsCString& aRootName, const nsCString& aGuid,
const nsCString& titleString, const int32_t position,
int64_t& newId) {
MOZ_ASSERT(NS_IsMainThread());
// A single creation timestamp for all roots so that the root folder's
// last modification time isn't earlier than its childrens' creation time.
static PRTime timestamp = 0;
if (!timestamp) timestamp = RoundedPRNow();
// Create a new bookmark folder for the root.
nsCOMPtr<mozIStorageStatement> stmt;
nsresult rv = aDBConn->CreateStatement(
nsLiteralCString(
"INSERT INTO moz_bookmarks "
"(type, position, title, dateAdded, lastModified, guid, parent, "
"syncChangeCounter, syncStatus) "
"VALUES (:item_type, :item_position, :item_title,"
":date_added, :last_modified, :guid, "
"IFNULL((SELECT id FROM moz_bookmarks WHERE parent = 0), 0), "
"1, :sync_status)"),
getter_AddRefs(stmt));
if (NS_FAILED(rv)) return rv;
rv = stmt->BindInt32ByName("item_type"_ns,
nsINavBookmarksService::TYPE_FOLDER);
if (NS_FAILED(rv)) return rv;
rv = stmt->BindInt32ByName("item_position"_ns, position);
if (NS_FAILED(rv)) return rv;
rv = stmt->BindUTF8StringByName("item_title"_ns, titleString);
if (NS_FAILED(rv)) return rv;
rv = stmt->BindInt64ByName("date_added"_ns, timestamp);
if (NS_FAILED(rv)) return rv;
rv = stmt->BindInt64ByName("last_modified"_ns, timestamp);
if (NS_FAILED(rv)) return rv;
rv = stmt->BindUTF8StringByName("guid"_ns, aGuid);
if (NS_FAILED(rv)) return rv;
rv = stmt->BindInt32ByName("sync_status"_ns,
nsINavBookmarksService::SYNC_STATUS_NEW);
if (NS_FAILED(rv)) return rv;
rv = stmt->Execute();
if (NS_FAILED(rv)) return rv;
newId = nsNavBookmarks::sLastInsertedItemId;
return NS_OK;
}
nsresult SetupDurability(nsCOMPtr<mozIStorageConnection>& aDBConn,
int32_t aDBPageSize) {
nsresult rv;
if (PR_GetEnv(ENV_ALLOW_CORRUPTION) &&
Preferences::GetBool(PREF_DISABLE_DURABILITY, false)) {
// Volatile storage was requested. Use the in-memory journal (no
// filesystem I/O) and don't sync the filesystem after writing.
SetJournalMode(aDBConn, JOURNAL_MEMORY);
rv = aDBConn->ExecuteSimpleSQL("PRAGMA synchronous = OFF"_ns);
NS_ENSURE_SUCCESS(rv, rv);
} else {
// Be sure to set journal mode after page_size. WAL would prevent the
// change otherwise.
if (JOURNAL_WAL == SetJournalMode(aDBConn, JOURNAL_WAL)) {
// Set the WAL journal size limit.
int32_t checkpointPages =
static_cast<int32_t>(DATABASE_MAX_WAL_BYTES / aDBPageSize);
nsAutoCString checkpointPragma("PRAGMA wal_autocheckpoint = ");
checkpointPragma.AppendInt(checkpointPages);
rv = aDBConn->ExecuteSimpleSQL(checkpointPragma);
NS_ENSURE_SUCCESS(rv, rv);
} else {
// Ignore errors, if we fail here the database could be considered corrupt
// and we won't be able to go on, even if it's just matter of a bogus file
// system. The default mode (DELETE) will be fine in such a case.
(void)SetJournalMode(aDBConn, JOURNAL_TRUNCATE);
// Set synchronous to FULL to ensure maximum data integrity, even in
// case of crashes or unclean shutdowns.
rv = aDBConn->ExecuteSimpleSQL("PRAGMA synchronous = FULL"_ns);
NS_ENSURE_SUCCESS(rv, rv);
}
}
// The journal is usually free to grow for performance reasons, but it never
// shrinks back. Since the space taken may be problematic, limit its size.
nsAutoCString journalSizePragma("PRAGMA journal_size_limit = ");
journalSizePragma.AppendInt(DATABASE_MAX_WAL_BYTES +
DATABASE_JOURNAL_OVERHEAD_BYTES);
(void)aDBConn->ExecuteSimpleSQL(journalSizePragma);
// Grow places in |growthIncrementKiB| increments to limit fragmentation on
// disk. By default, it's 5 MB.
int32_t growthIncrementKiB =
Preferences::GetInt(PREF_GROWTH_INCREMENT_KIB, 5 * BYTES_PER_KIBIBYTE);
if (growthIncrementKiB > 0) {
(void)aDBConn->SetGrowthIncrement(growthIncrementKiB * BYTES_PER_KIBIBYTE,
""_ns);
}
return NS_OK;
}
nsresult AttachDatabase(nsCOMPtr<mozIStorageConnection>& aDBConn,
const nsACString& aPath, const nsACString& aName) {
nsCOMPtr<mozIStorageStatement> stmt;
nsresult rv = aDBConn->CreateStatement("ATTACH DATABASE :path AS "_ns + aName,
getter_AddRefs(stmt));
NS_ENSURE_SUCCESS(rv, rv);
rv = stmt->BindUTF8StringByName("path"_ns, aPath);
NS_ENSURE_SUCCESS(rv, rv);
rv = stmt->Execute();
NS_ENSURE_SUCCESS(rv, rv);
// The journal limit must be set apart for each database.
nsAutoCString journalSizePragma("PRAGMA favicons.journal_size_limit = ");
journalSizePragma.AppendInt(DATABASE_MAX_WAL_BYTES +
DATABASE_JOURNAL_OVERHEAD_BYTES);
Unused << aDBConn->ExecuteSimpleSQL(journalSizePragma);
return NS_OK;
}
} // namespace
////////////////////////////////////////////////////////////////////////////////
//// Database
PLACES_FACTORY_SINGLETON_IMPLEMENTATION(Database, gDatabase)
NS_IMPL_ISUPPORTS(Database, nsIObserver, nsISupportsWeakReference)
Database::Database()
: mMainThreadStatements(mMainConn),
mMainThreadAsyncStatements(mMainConn),
mAsyncThreadStatements(mMainConn),
mDBPageSize(0),
mDatabaseStatus(nsINavHistoryService::DATABASE_STATUS_OK),
mClosed(false),
mClientsShutdown(new ClientsShutdownBlocker()),
mConnectionShutdown(new ConnectionShutdownBlocker(this)),
mMaxUrlLength(0),
mCacheObservers(TOPIC_PLACES_INIT_COMPLETE),
mRootId(-1),
mMenuRootId(-1),
mTagsRootId(-1),
mUnfiledRootId(-1),
mToolbarRootId(-1),
mMobileRootId(-1) {
MOZ_ASSERT(!XRE_IsContentProcess(),
"Cannot instantiate Places in the content process");
// Attempting to create two instances of the service?
MOZ_ASSERT(!gDatabase);
gDatabase = this;
}
already_AddRefed<nsIAsyncShutdownClient>
Database::GetProfileChangeTeardownPhase() {
nsCOMPtr<nsIAsyncShutdownService> asyncShutdownSvc =
services::GetAsyncShutdownService();
MOZ_ASSERT(asyncShutdownSvc);
if (NS_WARN_IF(!asyncShutdownSvc)) {
return nullptr;
}
// Consumers of Places should shutdown before us, at profile-change-teardown.
nsCOMPtr<nsIAsyncShutdownClient> shutdownPhase;
DebugOnly<nsresult> rv =
asyncShutdownSvc->GetProfileChangeTeardown(getter_AddRefs(shutdownPhase));
MOZ_ASSERT(NS_SUCCEEDED(rv));
return shutdownPhase.forget();
}
already_AddRefed<nsIAsyncShutdownClient>
Database::GetProfileBeforeChangePhase() {
nsCOMPtr<nsIAsyncShutdownService> asyncShutdownSvc =
services::GetAsyncShutdownService();
MOZ_ASSERT(asyncShutdownSvc);
if (NS_WARN_IF(!asyncShutdownSvc)) {
return nullptr;
}
// Consumers of Places should shutdown before us, at profile-change-teardown.
nsCOMPtr<nsIAsyncShutdownClient> shutdownPhase;
DebugOnly<nsresult> rv =
asyncShutdownSvc->GetProfileBeforeChange(getter_AddRefs(shutdownPhase));
MOZ_ASSERT(NS_SUCCEEDED(rv));
return shutdownPhase.forget();
}
Database::~Database() = default;
already_AddRefed<mozIStorageAsyncStatement> Database::GetAsyncStatement(
const nsACString& aQuery) {
if (PlacesShutdownBlocker::sIsStarted || NS_FAILED(EnsureConnection())) {
return nullptr;
}
MOZ_ASSERT(NS_IsMainThread());
return mMainThreadAsyncStatements.GetCachedStatement(aQuery);
}
already_AddRefed<mozIStorageStatement> Database::GetStatement(
const nsACString& aQuery) {
if (PlacesShutdownBlocker::sIsStarted) {
return nullptr;
}
if (NS_IsMainThread()) {
if (NS_FAILED(EnsureConnection())) {
return nullptr;
}
return mMainThreadStatements.GetCachedStatement(aQuery);
}
// In the async case, the connection must have been started on the main-thread
// already.
MOZ_ASSERT(mMainConn);
return mAsyncThreadStatements.GetCachedStatement(aQuery);
}
already_AddRefed<nsIAsyncShutdownClient> Database::GetClientsShutdown() {
if (mClientsShutdown) return mClientsShutdown->GetClient();
return nullptr;
}
already_AddRefed<nsIAsyncShutdownClient> Database::GetConnectionShutdown() {
if (mConnectionShutdown) return mConnectionShutdown->GetClient();
return nullptr;
}
// static
already_AddRefed<Database> Database::GetDatabase() {
if (PlacesShutdownBlocker::sIsStarted) {
return nullptr;
}
return GetSingleton();
}
nsresult Database::Init() {
MOZ_ASSERT(NS_IsMainThread());
// DO NOT FAIL HERE, otherwise we would never break the cycle between this
// object and the shutdown blockers, causing unexpected leaks.
{
// First of all Places clients should block profile-change-teardown.
nsCOMPtr<nsIAsyncShutdownClient> shutdownPhase =
GetProfileChangeTeardownPhase();
MOZ_ASSERT(shutdownPhase);
if (shutdownPhase) {
nsresult rv = shutdownPhase->AddBlocker(
static_cast<nsIAsyncShutdownBlocker*>(mClientsShutdown.get()),
NS_LITERAL_STRING_FROM_CSTRING(__FILE__), __LINE__, u""_ns);
if (NS_FAILED(rv)) {
// Might occur if we're already shutting down, see bug#1753165
PlacesShutdownBlocker::sIsStarted = true;
NS_WARNING("Cannot add shutdown blocker for profile-change-teardown");
}
}
}
{
// Then connection closing should block profile-before-change.
nsCOMPtr<nsIAsyncShutdownClient> shutdownPhase =
GetProfileBeforeChangePhase();
MOZ_ASSERT(shutdownPhase);
if (shutdownPhase) {
nsresult rv = shutdownPhase->AddBlocker(
static_cast<nsIAsyncShutdownBlocker*>(mConnectionShutdown.get()),
NS_LITERAL_STRING_FROM_CSTRING(__FILE__), __LINE__, u""_ns);
if (NS_FAILED(rv)) {
// Might occur if we're already shutting down, see bug#1753165
PlacesShutdownBlocker::sIsStarted = true;
NS_WARNING("Cannot add shutdown blocker for profile-before-change");
}
}
}
// Finally observe profile shutdown notifications.
nsCOMPtr<nsIObserverService> os = mozilla::services::GetObserverService();
if (os) {
(void)os->AddObserver(this, TOPIC_PROFILE_CHANGE_TEARDOWN, true);
}
return NS_OK;
}
nsresult Database::EnsureConnection() {
// Run this only once.
if (mMainConn ||
mDatabaseStatus == nsINavHistoryService::DATABASE_STATUS_LOCKED) {
return NS_OK;
}
// Don't try to create a database too late.
if (PlacesShutdownBlocker::sIsStarted) {
return NS_ERROR_FAILURE;
}
MOZ_ASSERT(NS_IsMainThread(),
"Database initialization must happen on the main-thread");
{
bool initSucceeded = false;
auto notify = MakeScopeExit([&]() {
// If the database connection cannot be opened, it may just be locked
// by third parties. Set a locked state.
if (!initSucceeded) {
mMainConn = nullptr;
mDatabaseStatus = nsINavHistoryService::DATABASE_STATUS_LOCKED;
}
// Notify at the next tick, to avoid re-entrancy problems.
NS_DispatchToMainThread(
NewRunnableMethod("places::Database::EnsureConnection()", this,
&Database::NotifyConnectionInitalized));
});
nsCOMPtr<mozIStorageService> storage =
do_GetService(MOZ_STORAGE_SERVICE_CONTRACTID);
NS_ENSURE_STATE(storage);
nsCOMPtr<nsIFile> profileDir;
nsresult rv = NS_GetSpecialDirectory(NS_APP_USER_PROFILE_50_DIR,
getter_AddRefs(profileDir));
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsIFile> databaseFile;
rv = profileDir->Clone(getter_AddRefs(databaseFile));
NS_ENSURE_SUCCESS(rv, rv);
rv = databaseFile->Append(DATABASE_FILENAME);
NS_ENSURE_SUCCESS(rv, rv);
bool databaseExisted = false;
rv = databaseFile->Exists(&databaseExisted);
NS_ENSURE_SUCCESS(rv, rv);
nsAutoString corruptDbName;
if (NS_SUCCEEDED(Preferences::GetString(PREF_FORCE_DATABASE_REPLACEMENT,
corruptDbName)) &&
!corruptDbName.IsEmpty()) {
// If this pref is set, maintenance required a database replacement, due
// to integrity corruption. Be sure to clear the pref to avoid handling it
// more than once.
(void)Preferences::ClearUser(PREF_FORCE_DATABASE_REPLACEMENT);
// The database is corrupt, backup and replace it with a new one.
nsCOMPtr<nsIFile> fileToBeReplaced;
bool fileExists = false;
if (NS_SUCCEEDED(profileDir->Clone(getter_AddRefs(fileToBeReplaced))) &&
NS_SUCCEEDED(fileToBeReplaced->Exists(&fileExists)) && fileExists) {
rv = BackupAndReplaceDatabaseFile(storage, corruptDbName, true, false);
NS_ENSURE_SUCCESS(rv, rv);
}
}
// Open the database file. If it does not exist a new one will be created.
// Use an unshared connection, it will consume more memory but avoid shared
// cache contentions across threads.
rv = storage->OpenUnsharedDatabase(databaseFile,
mozIStorageService::CONNECTION_DEFAULT,
getter_AddRefs(mMainConn));
if (NS_SUCCEEDED(rv) && !databaseExisted) {
mDatabaseStatus = nsINavHistoryService::DATABASE_STATUS_CREATE;
} else if (rv == NS_ERROR_FILE_CORRUPTED) {
// The database is corrupt, backup and replace it with a new one.
rv = BackupAndReplaceDatabaseFile(storage, DATABASE_FILENAME, true, true);
// Fallback to catch-all handler.
}
NS_ENSURE_SUCCESS(rv, rv);
// Initialize the database schema. In case of failure the existing schema
// is is corrupt or incoherent, thus the database should be replaced.
bool databaseMigrated = false;
rv = SetupDatabaseConnection(storage);
bool shouldTryToCloneDb = true;
if (NS_SUCCEEDED(rv)) {
// Failing to initialize the schema may indicate a corruption.
rv = InitSchema(&databaseMigrated);
if (NS_FAILED(rv)) {
// Cloning the db on a schema migration may not be a good idea, since we
// may end up cloning the schema problems.
shouldTryToCloneDb = false;
if (rv == NS_ERROR_STORAGE_BUSY || rv == NS_ERROR_FILE_IS_LOCKED ||
rv == NS_ERROR_FILE_NO_DEVICE_SPACE ||
rv == NS_ERROR_OUT_OF_MEMORY) {
// The database is not corrupt, though some migration step failed.
// This may be caused by concurrent use of sync and async Storage APIs
// or by a system issue.
// The best we can do is trying again. If it should still fail, Places
// won't work properly and will be handled as LOCKED.
rv = InitSchema(&databaseMigrated);
if (NS_FAILED(rv)) {
rv = NS_ERROR_FILE_IS_LOCKED;
}
} else {
rv = NS_ERROR_FILE_CORRUPTED;
}
}
}
if (NS_WARN_IF(NS_FAILED(rv))) {
if (rv != NS_ERROR_FILE_IS_LOCKED) {
mDatabaseStatus = nsINavHistoryService::DATABASE_STATUS_CORRUPT;
}
// Some errors may not indicate a database corruption, for those cases we
// just bail out without throwing away a possibly valid places.sqlite.
if (rv == NS_ERROR_FILE_CORRUPTED) {
// Since we don't know which database is corrupt, we must replace both.
rv = BackupAndReplaceDatabaseFile(storage, DATABASE_FAVICONS_FILENAME,
false, false);
NS_ENSURE_SUCCESS(rv, rv);
rv = BackupAndReplaceDatabaseFile(storage, DATABASE_FILENAME,
shouldTryToCloneDb, true);
NS_ENSURE_SUCCESS(rv, rv);
// Try to initialize the new database again.
rv = SetupDatabaseConnection(storage);
NS_ENSURE_SUCCESS(rv, rv);
rv = InitSchema(&databaseMigrated);
}
// Bail out if we couldn't fix the database.
NS_ENSURE_SUCCESS(rv, rv);
}
if (databaseMigrated) {
mDatabaseStatus = nsINavHistoryService::DATABASE_STATUS_UPGRADED;
}
// Initialize here all the items that are not part of the on-disk database,
// like views, temp triggers or temp tables. The database should not be
// considered corrupt if any of the following fails.
rv = InitTempEntities();
NS_ENSURE_SUCCESS(rv, rv);
rv = CheckRoots();
NS_ENSURE_SUCCESS(rv, rv);
initSucceeded = true;
}
return NS_OK;
}
nsresult Database::NotifyConnectionInitalized() {
MOZ_ASSERT(NS_IsMainThread());
// Notify about Places initialization.
nsCOMArray<nsIObserver> entries;
mCacheObservers.GetEntries(entries);
for (int32_t idx = 0; idx < entries.Count(); ++idx) {
MOZ_ALWAYS_SUCCEEDS(
entries[idx]->Observe(nullptr, TOPIC_PLACES_INIT_COMPLETE, nullptr));
}
nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService();
if (obs) {
MOZ_ALWAYS_SUCCEEDS(
obs->NotifyObservers(nullptr, TOPIC_PLACES_INIT_COMPLETE, nullptr));
}
return NS_OK;
}
nsresult Database::EnsureFaviconsDatabaseAttached(
const nsCOMPtr<mozIStorageService>& aStorage) {
MOZ_ASSERT(NS_IsMainThread());
nsCOMPtr<nsIFile> databaseFile;
NS_GetSpecialDirectory(NS_APP_USER_PROFILE_50_DIR,
getter_AddRefs(databaseFile));
NS_ENSURE_STATE(databaseFile);
nsresult rv = databaseFile->Append(DATABASE_FAVICONS_FILENAME);
NS_ENSURE_SUCCESS(rv, rv);
nsString iconsPath;
rv = databaseFile->GetPath(iconsPath);
NS_ENSURE_SUCCESS(rv, rv);
bool fileExists = false;
if (NS_SUCCEEDED(databaseFile->Exists(&fileExists)) && fileExists) {
return AttachDatabase(mMainConn, NS_ConvertUTF16toUTF8(iconsPath),
"favicons"_ns);
}
// Open the database file, this will also create it.
nsCOMPtr<mozIStorageConnection> conn;
rv = aStorage->OpenUnsharedDatabase(databaseFile,
mozIStorageService::CONNECTION_DEFAULT,
getter_AddRefs(conn));
NS_ENSURE_SUCCESS(rv, rv);
{
// Ensure we'll close the connection when done.
auto cleanup = MakeScopeExit([&]() {
// We cannot use AsyncClose() here, because by the time we try to ATTACH
// this database, its transaction could be still be running and that would
// cause the ATTACH query to fail.
MOZ_ALWAYS_TRUE(NS_SUCCEEDED(conn->Close()));
});
// Enable incremental vacuum for this database. Since it will contain even
// large blobs and can be cleared with history, it's worth to have it.
// Note that it will be necessary to manually use PRAGMA incremental_vacuum.
rv = conn->ExecuteSimpleSQL("PRAGMA auto_vacuum = INCREMENTAL"_ns);
NS_ENSURE_SUCCESS(rv, rv);
#if !defined(HAVE_64BIT_BUILD)
// Ensure that temp tables are held in memory, not on disk, on 32 bit
// platforms.
rv = conn->ExecuteSimpleSQL("PRAGMA temp_store = MEMORY"_ns);
NS_ENSURE_SUCCESS(rv, rv);
#endif
int32_t defaultPageSize;
rv = conn->GetDefaultPageSize(&defaultPageSize);
NS_ENSURE_SUCCESS(rv, rv);
rv = SetupDurability(conn, defaultPageSize);
NS_ENSURE_SUCCESS(rv, rv);
// We are going to update the database, so everything from now on should be
// in a transaction for performances.
mozStorageTransaction transaction(conn, false);
// XXX Handle the error, bug 1696133.
Unused << NS_WARN_IF(NS_FAILED(transaction.Start()));
rv = conn->ExecuteSimpleSQL(CREATE_MOZ_ICONS);
NS_ENSURE_SUCCESS(rv, rv);
rv = conn->ExecuteSimpleSQL(CREATE_IDX_MOZ_ICONS_ICONURLHASH);
NS_ENSURE_SUCCESS(rv, rv);
rv = conn->ExecuteSimpleSQL(CREATE_MOZ_PAGES_W_ICONS);
NS_ENSURE_SUCCESS(rv, rv);
rv = conn->ExecuteSimpleSQL(CREATE_IDX_MOZ_PAGES_W_ICONS_ICONURLHASH);
NS_ENSURE_SUCCESS(rv, rv);
rv = conn->ExecuteSimpleSQL(CREATE_MOZ_ICONS_TO_PAGES);
NS_ENSURE_SUCCESS(rv, rv);
rv = transaction.Commit();
NS_ENSURE_SUCCESS(rv, rv);
// The scope exit will take care of closing the connection.
}
rv = AttachDatabase(mMainConn, NS_ConvertUTF16toUTF8(iconsPath),
"favicons"_ns);
NS_ENSURE_SUCCESS(rv, rv);
return NS_OK;
}
nsresult Database::BackupAndReplaceDatabaseFile(
nsCOMPtr<mozIStorageService>& aStorage, const nsString& aDbFilename,
bool aTryToClone, bool aReopenConnection) {
MOZ_ASSERT(NS_IsMainThread());
if (aDbFilename.Equals(DATABASE_FILENAME)) {
mDatabaseStatus = nsINavHistoryService::DATABASE_STATUS_CORRUPT;
} else {
// Due to OS file lockings, attached databases can't be cloned properly,
// otherwise trying to reattach them later would fail.
aTryToClone = false;
}
nsCOMPtr<nsIFile> profDir;
nsresult rv = NS_GetSpecialDirectory(NS_APP_USER_PROFILE_50_DIR,
getter_AddRefs(profDir));
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsIFile> databaseFile;
rv = profDir->Clone(getter_AddRefs(databaseFile));
NS_ENSURE_SUCCESS(rv, rv);
rv = databaseFile->Append(aDbFilename);
NS_ENSURE_SUCCESS(rv, rv);
// If we already failed in the last 24 hours avoid to create another corrupt
// file, since doing so, in some situation, could cause us to create a new
// corrupt file at every try to access any Places service. That is bad
// because it would quickly fill the user's disk space without any notice.
nsCOMPtr<nsIFile> corruptFile;
rv = profDir->Clone(getter_AddRefs(corruptFile));
NS_ENSURE_SUCCESS(rv, rv);
nsString corruptFilename = getCorruptFilename(aDbFilename);
rv = corruptFile->Append(corruptFilename);
NS_ENSURE_SUCCESS(rv, rv);
if (!isRecentCorruptFile(corruptFile)) {
// Ensure we never create more than one corrupt file.
nsCOMPtr<nsIFile> corruptFile;
rv = profDir->Clone(getter_AddRefs(corruptFile));
NS_ENSURE_SUCCESS(rv, rv);
nsString corruptFilename = getCorruptFilename(aDbFilename);
rv = corruptFile->Append(corruptFilename);
NS_ENSURE_SUCCESS(rv, rv);
rv = corruptFile->Remove(false);
if (NS_FAILED(rv) && rv != NS_ERROR_FILE_NOT_FOUND) {
return rv;
}
nsCOMPtr<nsIFile> backup;
Unused << BackupDatabaseFile(databaseFile, corruptFilename, profDir,
getter_AddRefs(backup));
}
// If anything fails from this point on, we have a stale connection or
// database file, and there's not much more we can do.
// The only thing we can try to do is to replace the database on the next
// startup, and report the problem through telemetry.
{
enum eCorruptDBReplaceStage : int8_t {
stage_closing = 0,
stage_removing,
stage_reopening,
stage_replaced,
stage_cloning,
stage_cloned
};
eCorruptDBReplaceStage stage = stage_closing;
auto guard = MakeScopeExit([&]() {
// In case we failed to close the connection or remove the database file,
// we want to try again at the next startup.
if (stage == stage_closing || stage == stage_removing) {
Preferences::SetString(PREF_FORCE_DATABASE_REPLACEMENT, aDbFilename);
}
// Report the corruption through telemetry.
Telemetry::Accumulate(
Telemetry::PLACES_DATABASE_CORRUPTION_HANDLING_STAGE,
static_cast<int8_t>(stage));
});
// Close database connection if open.
if (mMainConn) {
rv = mMainConn->SpinningSynchronousClose();
NS_ENSURE_SUCCESS(rv, rv);
mMainConn = nullptr;
}
// Remove the broken database.
stage = stage_removing;
rv = databaseFile->Remove(false);
if (NS_FAILED(rv) && rv != NS_ERROR_FILE_NOT_FOUND) {
return rv;
}
// Create a new database file and try to clone tables from the corrupt one.
bool cloned = false;
if (aTryToClone &&
Preferences::GetBool(PREF_DATABASE_CLONEONCORRUPTION, true)) {
stage = stage_cloning;
rv = TryToCloneTablesFromCorruptDatabase(aStorage, databaseFile);
if (NS_SUCCEEDED(rv)) {
// If we cloned successfully, we should not consider the database
// corrupt anymore, otherwise we could reimport default bookmarks.
mDatabaseStatus = nsINavHistoryService::DATABASE_STATUS_OK;
cloned = true;
}
}
if (aReopenConnection) {
// Use an unshared connection, it will consume more memory but avoid
// shared cache contentions across threads.
stage = stage_reopening;
rv = aStorage->OpenUnsharedDatabase(
databaseFile, mozIStorageService::CONNECTION_DEFAULT,
getter_AddRefs(mMainConn));
NS_ENSURE_SUCCESS(rv, rv);
}
stage = cloned ? stage_cloned : stage_replaced;
}
return NS_OK;
}
nsresult Database::TryToCloneTablesFromCorruptDatabase(
const nsCOMPtr<mozIStorageService>& aStorage,
const nsCOMPtr<nsIFile>& aDatabaseFile) {
MOZ_ASSERT(NS_IsMainThread());
nsAutoString filename;
nsresult rv = aDatabaseFile->GetLeafName(filename);
nsCOMPtr<nsIFile> corruptFile;
rv = aDatabaseFile->Clone(getter_AddRefs(corruptFile));
NS_ENSURE_SUCCESS(rv, rv);
rv = corruptFile->SetLeafName(getCorruptFilename(filename));
NS_ENSURE_SUCCESS(rv, rv);
nsAutoString path;
rv = corruptFile->GetPath(path);
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsIFile> recoverFile;
rv = aDatabaseFile->Clone(getter_AddRefs(recoverFile));
NS_ENSURE_SUCCESS(rv, rv);
rv = recoverFile->SetLeafName(getRecoverFilename(filename));
NS_ENSURE_SUCCESS(rv, rv);
// Ensure there's no previous recover file.
rv = recoverFile->Remove(false);
if (NS_FAILED(rv) && rv != NS_ERROR_FILE_NOT_FOUND) {
return rv;
}
nsCOMPtr<mozIStorageConnection> conn;
auto guard = MakeScopeExit([&]() {
if (conn) {
Unused << conn->Close();
}
RemoveFileSwallowsErrors(recoverFile);
});
rv = aStorage->OpenUnsharedDatabase(recoverFile,
mozIStorageService::CONNECTION_DEFAULT,
getter_AddRefs(conn));
NS_ENSURE_SUCCESS(rv, rv);
rv = AttachDatabase(conn, NS_ConvertUTF16toUTF8(path), "corrupt"_ns);
NS_ENSURE_SUCCESS(rv, rv);
mozStorageTransaction transaction(conn, false);
// XXX Handle the error, bug 1696133.
Unused << NS_WARN_IF(NS_FAILED(transaction.Start()));
// Copy the schema version.
nsCOMPtr<mozIStorageStatement> stmt;
(void)conn->CreateStatement("PRAGMA corrupt.user_version"_ns,
getter_AddRefs(stmt));
NS_ENSURE_TRUE(stmt, NS_ERROR_OUT_OF_MEMORY);
bool hasResult;
rv = stmt->ExecuteStep(&hasResult);
NS_ENSURE_SUCCESS(rv, rv);
int32_t schemaVersion = stmt->AsInt32(0);
rv = conn->SetSchemaVersion(schemaVersion);
NS_ENSURE_SUCCESS(rv, rv);
// Recreate the tables.
rv = conn->CreateStatement(
nsLiteralCString(
"SELECT name, sql FROM corrupt.sqlite_master "
"WHERE type = 'table' AND name BETWEEN 'moz_' AND 'moza'"),
getter_AddRefs(stmt));
NS_ENSURE_SUCCESS(rv, rv);
while (NS_SUCCEEDED(stmt->ExecuteStep(&hasResult)) && hasResult) {
nsAutoCString name;
rv = stmt->GetUTF8String(0, name);
NS_ENSURE_SUCCESS(rv, rv);
nsAutoCString query;
rv = stmt->GetUTF8String(1, query);
NS_ENSURE_SUCCESS(rv, rv);
rv = conn->ExecuteSimpleSQL(query);
NS_ENSURE_SUCCESS(rv, rv);
// Copy the table contents.
rv = conn->ExecuteSimpleSQL("INSERT INTO main."_ns + name +
" SELECT * FROM corrupt."_ns + name);
if (NS_FAILED(rv)) {
rv = conn->ExecuteSimpleSQL("INSERT INTO main."_ns + name +
" SELECT * FROM corrupt."_ns + name +
" ORDER BY rowid DESC"_ns);
}
NS_ENSURE_SUCCESS(rv, rv);
}
// Recreate the indices. Doing this after data addition is faster.
rv = conn->CreateStatement(
nsLiteralCString(
"SELECT sql FROM corrupt.sqlite_master "
"WHERE type <> 'table' AND name BETWEEN 'moz_' AND 'moza'"),
getter_AddRefs(stmt));
NS_ENSURE_SUCCESS(rv, rv);
hasResult = false;
while (NS_SUCCEEDED(stmt->ExecuteStep(&hasResult)) && hasResult) {
nsAutoCString query;
rv = stmt->GetUTF8String(0, query);
NS_ENSURE_SUCCESS(rv, rv);
rv = conn->ExecuteSimpleSQL(query);
NS_ENSURE_SUCCESS(rv, rv);
}
rv = stmt->Finalize();
NS_ENSURE_SUCCESS(rv, rv);
rv = transaction.Commit();
NS_ENSURE_SUCCESS(rv, rv);
MOZ_ALWAYS_SUCCEEDS(conn->Close());
conn = nullptr;
rv = recoverFile->RenameTo(nullptr, filename);
NS_ENSURE_SUCCESS(rv, rv);
RemoveFileSwallowsErrors(corruptFile);
RemoveFileSwallowsErrors(corruptFile, u"-wal"_ns);
RemoveFileSwallowsErrors(corruptFile, u"-shm"_ns);
guard.release();
return NS_OK;
}
nsresult Database::SetupDatabaseConnection(
nsCOMPtr<mozIStorageService>& aStorage) {
MOZ_ASSERT(NS_IsMainThread());
// Using immediate transactions allows the main connection to retry writes
// that fail with `SQLITE_BUSY` because a cloned connection has locked the
// database for writing.
nsresult rv = mMainConn->SetDefaultTransactionType(
mozIStorageConnection::TRANSACTION_IMMEDIATE);
NS_ENSURE_SUCCESS(rv, rv);
// WARNING: any statement executed before setting the journal mode must be
// finalized, since SQLite doesn't allow changing the journal mode if there
// is any outstanding statement.
{
// Get the page size. This may be different than the default if the
// database file already existed with a different page size.
nsCOMPtr<mozIStorageStatement> statement;
rv = mMainConn->CreateStatement(
nsLiteralCString(MOZ_STORAGE_UNIQUIFY_QUERY_STR "PRAGMA page_size"),
getter_AddRefs(statement));
NS_ENSURE_SUCCESS(rv, rv);
bool hasResult = false;
rv = statement->ExecuteStep(&hasResult);
NS_ENSURE_TRUE(NS_SUCCEEDED(rv) && hasResult, NS_ERROR_FILE_CORRUPTED);
rv = statement->GetInt32(0, &mDBPageSize);
NS_ENSURE_TRUE(NS_SUCCEEDED(rv) && mDBPageSize > 0,
NS_ERROR_FILE_CORRUPTED);
}
#if !defined(HAVE_64BIT_BUILD)
// Ensure that temp tables are held in memory, not on disk, on 32 bit
// platforms.
rv = mMainConn->ExecuteSimpleSQL(nsLiteralCString(
MOZ_STORAGE_UNIQUIFY_QUERY_STR "PRAGMA temp_store = MEMORY"));
NS_ENSURE_SUCCESS(rv, rv);
#endif
rv = SetupDurability(mMainConn, mDBPageSize);
NS_ENSURE_SUCCESS(rv, rv);
nsAutoCString busyTimeoutPragma("PRAGMA busy_timeout = ");
busyTimeoutPragma.AppendInt(DATABASE_BUSY_TIMEOUT_MS);
(void)mMainConn->ExecuteSimpleSQL(busyTimeoutPragma);
// Enable FOREIGN KEY support. This is a strict requirement.
rv = mMainConn->ExecuteSimpleSQL(nsLiteralCString(
MOZ_STORAGE_UNIQUIFY_QUERY_STR "PRAGMA foreign_keys = ON"));
NS_ENSURE_SUCCESS(rv, NS_ERROR_FILE_CORRUPTED);
#ifdef DEBUG
{
// There are a few cases where setting foreign_keys doesn't work:
// * in the middle of a multi-statement transaction
// * if the SQLite library in use doesn't support them
// Since we need foreign_keys, let's at least assert in debug mode.
nsCOMPtr<mozIStorageStatement> stmt;
mMainConn->CreateStatement("PRAGMA foreign_keys"_ns, getter_AddRefs(stmt));
bool hasResult = false;
if (stmt && NS_SUCCEEDED(stmt->ExecuteStep(&hasResult)) && hasResult) {
int32_t fkState = stmt->AsInt32(0);
MOZ_ASSERT(fkState, "Foreign keys should be enabled");
}
}
#endif
// Attach the favicons database to the main connection.
rv = EnsureFaviconsDatabaseAttached(aStorage);
if (NS_FAILED(rv)) {
// The favicons database may be corrupt. Try to replace and reattach it.
nsCOMPtr<nsIFile> iconsFile;
rv = NS_GetSpecialDirectory(NS_APP_USER_PROFILE_50_DIR,
getter_AddRefs(iconsFile));
NS_ENSURE_SUCCESS(rv, rv);
rv = iconsFile->Append(DATABASE_FAVICONS_FILENAME);
NS_ENSURE_SUCCESS(rv, rv);
rv = iconsFile->Remove(false);
if (NS_FAILED(rv) && rv != NS_ERROR_FILE_NOT_FOUND) {
return rv;
}
rv = EnsureFaviconsDatabaseAttached(aStorage);
NS_ENSURE_SUCCESS(rv, rv);
}
// Create favicons temp entities.
rv = mMainConn->ExecuteSimpleSQL(CREATE_ICONS_AFTERINSERT_TRIGGER);
NS_ENSURE_SUCCESS(rv, rv);
// We use our functions during migration, so initialize them now.
rv = InitFunctions();
NS_ENSURE_SUCCESS(rv, rv);
return NS_OK;
}
nsresult Database::InitSchema(bool* aDatabaseMigrated) {
MOZ_ASSERT(NS_IsMainThread());
*aDatabaseMigrated = false;
// Get the database schema version.
int32_t currentSchemaVersion;
nsresult rv = mMainConn->GetSchemaVersion(&currentSchemaVersion);
NS_ENSURE_SUCCESS(rv, rv);
bool databaseInitialized = currentSchemaVersion > 0;
if (databaseInitialized &&
currentSchemaVersion == nsINavHistoryService::DATABASE_SCHEMA_VERSION) {
// The database is up to date and ready to go.
return NS_OK;
}
// We are going to update the database, so everything from now on should be in
// a transaction for performances.
mozStorageTransaction transaction(mMainConn, false);
// XXX Handle the error, bug 1696133.
Unused << NS_WARN_IF(NS_FAILED(transaction.Start()));
if (databaseInitialized) {
// Migration How-to:
//
// 1. increment PLACES_SCHEMA_VERSION.
// 2. implement a method that performs upgrade to your version from the
// previous one.
//
// NOTE: The downgrade process is pretty much complicated by the fact old
// versions cannot know what a new version is going to implement.
// The only thing we will do for downgrades is setting back the schema
// version, so that next upgrades will run again the migration step.
if (currentSchemaVersion < nsINavHistoryService::DATABASE_SCHEMA_VERSION) {
*aDatabaseMigrated = true;
if (currentSchemaVersion < 52) {
// These are versions older than Firefox 68 ESR that are not supported
// anymore. In this case it's safer to just replace the database.
return NS_ERROR_FILE_CORRUPTED;
}
// Firefox 62 uses schema version 52.
// Firefox 68 uses schema version 52. - This is an ESR.
if (currentSchemaVersion < 53) {
rv = MigrateV53Up();
NS_ENSURE_SUCCESS(rv, rv);
}
// Firefox 69 uses schema version 53
// Firefox 72 is a watershed release.
if (currentSchemaVersion < 54) {
rv = MigrateV54Up();
NS_ENSURE_SUCCESS(rv, rv);
}
// Firefox 81 uses schema version 54
if (currentSchemaVersion < 55) {
rv = MigrateV55Up();
NS_ENSURE_SUCCESS(rv, rv);
}
if (currentSchemaVersion < 56) {
rv = MigrateV56Up();
NS_ENSURE_SUCCESS(rv, rv);
}
if (currentSchemaVersion < 57) {
rv = MigrateV57Up();
NS_ENSURE_SUCCESS(rv, rv);
}
// Firefox 91 uses schema version 57
// The schema 58 migration is no longer needed.
// Firefox 92 uses schema version 58
// The schema 59 migration is no longer needed.
// Firefox 94 uses schema version 59
if (currentSchemaVersion < 60) {
rv = MigrateV60Up();
NS_ENSURE_SUCCESS(rv, rv);
}
// Firefox 96 uses schema version 60
if (currentSchemaVersion < 61) {
rv = MigrateV61Up();
NS_ENSURE_SUCCESS(rv, rv);
}
// The schema 62 migration is no longer needed.
// Firefox 97 uses schema version 62
// The schema 63 migration is no longer needed.
// Firefox 98 uses schema version 63
// The schema 64 migration is no longer needed.
// Firefox 99 uses schema version 64
// The schema 65 migration is no longer needed.
// The schema 66 migration is no longer needed.
// Firefox 100 uses schema version 66
if (currentSchemaVersion < 67) {
rv = MigrateV67Up();
NS_ENSURE_SUCCESS(rv, rv);
}
// The schema 68 migration is no longer needed.
// Firefox 103 uses schema version 68
if (currentSchemaVersion < 69) {
rv = MigrateV69Up();
NS_ENSURE_SUCCESS(rv, rv);
}
// Firefox 104 uses schema version 69
if (currentSchemaVersion < 70) {
rv = MigrateV70Up();
NS_ENSURE_SUCCESS(rv, rv);
}
if (currentSchemaVersion < 71) {
rv = MigrateV71Up();
NS_ENSURE_SUCCESS(rv, rv);
}
// Firefox 110 uses schema version 71
if (currentSchemaVersion < 72) {
rv = MigrateV72Up();
NS_ENSURE_SUCCESS(rv, rv);
}
// Firefox 111 uses schema version 72
if (currentSchemaVersion < 73) {
rv = MigrateV73Up();
NS_ENSURE_SUCCESS(rv, rv);
}
// Firefox 114 uses schema version 73
if (currentSchemaVersion < 74) {
rv = MigrateV74Up();
NS_ENSURE_SUCCESS(rv, rv);
}
// Firefox 115 uses schema version 74
if (currentSchemaVersion < 75) {
rv = MigrateV75Up();
NS_ENSURE_SUCCESS(rv, rv);
}
// Firefox 118 uses schema version 75
// Schema Upgrades must add migration code here.
// >>> IMPORTANT! <<<
// NEVER MIX UP SYNC AND ASYNC EXECUTION IN MIGRATORS, YOU MAY LOCK THE
// CONNECTION AND CAUSE FURTHER STEPS TO FAIL.
// In case, set a bool and do the async work in the ScopeExit guard just
// before the migration steps.
}
} else {
// This is a new database, so we have to create all the tables and indices.
// moz_origins.
rv = mMainConn->ExecuteSimpleSQL(CREATE_MOZ_ORIGINS);
NS_ENSURE_SUCCESS(rv, rv);
// moz_places.
rv = mMainConn->ExecuteSimpleSQL(CREATE_MOZ_PLACES);
NS_ENSURE_SUCCESS(rv, rv);
rv = mMainConn->ExecuteSimpleSQL(CREATE_MOZ_PLACES_EXTRA);
NS_ENSURE_SUCCESS(rv, rv);
rv = mMainConn->ExecuteSimpleSQL(CREATE_IDX_MOZ_PLACES_URL_HASH);
NS_ENSURE_SUCCESS(rv, rv);
rv = mMainConn->ExecuteSimpleSQL(CREATE_IDX_MOZ_PLACES_REVHOST);
NS_ENSURE_SUCCESS(rv, rv);
rv = mMainConn->ExecuteSimpleSQL(CREATE_IDX_MOZ_PLACES_VISITCOUNT);
NS_ENSURE_SUCCESS(rv, rv);
rv = mMainConn->ExecuteSimpleSQL(CREATE_IDX_MOZ_PLACES_FRECENCY);
NS_ENSURE_SUCCESS(rv, rv);
rv = mMainConn->ExecuteSimpleSQL(CREATE_IDX_MOZ_PLACES_LASTVISITDATE);
NS_ENSURE_SUCCESS(rv, rv);
rv = mMainConn->ExecuteSimpleSQL(CREATE_IDX_MOZ_PLACES_GUID);
NS_ENSURE_SUCCESS(rv, rv);
rv = mMainConn->ExecuteSimpleSQL(CREATE_IDX_MOZ_PLACES_ORIGIN_ID);
NS_ENSURE_SUCCESS(rv, rv);
rv = mMainConn->ExecuteSimpleSQL(CREATE_IDX_MOZ_PLACES_ALT_FRECENCY);
NS_ENSURE_SUCCESS(rv, rv);
// moz_historyvisits.
rv = mMainConn->ExecuteSimpleSQL(CREATE_MOZ_HISTORYVISITS);
NS_ENSURE_SUCCESS(rv, rv);
rv = mMainConn->ExecuteSimpleSQL(CREATE_MOZ_HISTORYVISITS_EXTRA);
NS_ENSURE_SUCCESS(rv, rv);
rv = mMainConn->ExecuteSimpleSQL(CREATE_IDX_MOZ_HISTORYVISITS_PLACEDATE);
NS_ENSURE_SUCCESS(rv, rv);
rv = mMainConn->ExecuteSimpleSQL(CREATE_IDX_MOZ_HISTORYVISITS_FROMVISIT);
NS_ENSURE_SUCCESS(rv, rv);
rv = mMainConn->ExecuteSimpleSQL(CREATE_IDX_MOZ_HISTORYVISITS_VISITDATE);
NS_ENSURE_SUCCESS(rv, rv);
// moz_inputhistory.
rv = mMainConn->ExecuteSimpleSQL(CREATE_MOZ_INPUTHISTORY);
NS_ENSURE_SUCCESS(rv, rv);
// moz_bookmarks.
rv = mMainConn->ExecuteSimpleSQL(CREATE_MOZ_BOOKMARKS);
NS_ENSURE_SUCCESS(rv, rv);
rv = mMainConn->ExecuteSimpleSQL(CREATE_MOZ_BOOKMARKS_DELETED);
NS_ENSURE_SUCCESS(rv, rv);
rv = mMainConn->ExecuteSimpleSQL(CREATE_IDX_MOZ_BOOKMARKS_PLACETYPE);
NS_ENSURE_SUCCESS(rv, rv);
rv = mMainConn->ExecuteSimpleSQL(CREATE_IDX_MOZ_BOOKMARKS_PARENTPOSITION);
NS_ENSURE_SUCCESS(rv, rv);
rv =
mMainConn->ExecuteSimpleSQL(CREATE_IDX_MOZ_BOOKMARKS_PLACELASTMODIFIED);
NS_ENSURE_SUCCESS(rv, rv);
rv = mMainConn->ExecuteSimpleSQL(CREATE_IDX_MOZ_BOOKMARKS_DATEADDED);
NS_ENSURE_SUCCESS(rv, rv);
rv = mMainConn->ExecuteSimpleSQL(CREATE_IDX_MOZ_BOOKMARKS_GUID);
NS_ENSURE_SUCCESS(rv, rv);
// moz_keywords.
rv = mMainConn->ExecuteSimpleSQL(CREATE_MOZ_KEYWORDS);
NS_ENSURE_SUCCESS(rv, rv);
rv = mMainConn->ExecuteSimpleSQL(CREATE_IDX_MOZ_KEYWORDS_PLACEPOSTDATA);
NS_ENSURE_SUCCESS(rv, rv);
// moz_anno_attributes.
rv = mMainConn->ExecuteSimpleSQL(CREATE_MOZ_ANNO_ATTRIBUTES);
NS_ENSURE_SUCCESS(rv, rv);
// moz_annos.
rv = mMainConn->ExecuteSimpleSQL(CREATE_MOZ_ANNOS);
NS_ENSURE_SUCCESS(rv, rv);
rv = mMainConn->ExecuteSimpleSQL(CREATE_IDX_MOZ_ANNOS_PLACEATTRIBUTE);
NS_ENSURE_SUCCESS(rv, rv);
// moz_items_annos.
rv = mMainConn->ExecuteSimpleSQL(CREATE_MOZ_ITEMS_ANNOS);
NS_ENSURE_SUCCESS(rv, rv);
rv = mMainConn->ExecuteSimpleSQL(CREATE_IDX_MOZ_ITEMSANNOS_PLACEATTRIBUTE);
NS_ENSURE_SUCCESS(rv, rv);
// moz_meta.
rv = mMainConn->ExecuteSimpleSQL(CREATE_MOZ_META);
NS_ENSURE_SUCCESS(rv, rv);
// moz_places_metadata
rv = mMainConn->ExecuteSimpleSQL(CREATE_MOZ_PLACES_METADATA);
NS_ENSURE_SUCCESS(rv, rv);
rv = mMainConn->ExecuteSimpleSQL(
CREATE_IDX_MOZ_PLACES_METADATA_PLACECREATED);
NS_ENSURE_SUCCESS(rv, rv);
rv = mMainConn->ExecuteSimpleSQL(CREATE_IDX_MOZ_PLACES_METADATA_REFERRER);
NS_ENSURE_SUCCESS(rv, rv);
// moz_places_metadata_search_queries
rv = mMainConn->ExecuteSimpleSQL(CREATE_MOZ_PLACES_METADATA_SEARCH_QUERIES);
NS_ENSURE_SUCCESS(rv, rv);
// moz_previews_tombstones
rv = mMainConn->ExecuteSimpleSQL(CREATE_MOZ_PREVIEWS_TOMBSTONES);
NS_ENSURE_SUCCESS(rv, rv);
// The bookmarks roots get initialized in CheckRoots().
}
// Set the schema version to the current one.
rv = mMainConn->SetSchemaVersion(
nsINavHistoryService::DATABASE_SCHEMA_VERSION);
NS_ENSURE_SUCCESS(rv, rv);
rv = transaction.Commit();
NS_ENSURE_SUCCESS(rv, rv);
// ANY FAILURE IN THIS METHOD WILL CAUSE US TO MARK THE DATABASE AS CORRUPT
// AND TRY TO REPLACE IT.
// DO NOT PUT HERE ANYTHING THAT IS NOT RELATED TO INITIALIZATION OR MODIFYING
// THE DISK DATABASE.
return NS_OK;
}
nsresult Database::CheckRoots() {
MOZ_ASSERT(NS_IsMainThread());
// If the database has just been created, skip straight to the part where
// we create the roots.
if (mDatabaseStatus == nsINavHistoryService::DATABASE_STATUS_CREATE) {
return EnsureBookmarkRoots(0, /* shouldReparentRoots */ false);
}
nsCOMPtr<mozIStorageStatement> stmt;
nsresult rv = mMainConn->CreateStatement(
nsLiteralCString("SELECT guid, id, position, parent FROM moz_bookmarks "
"WHERE guid IN ( "
"'" ROOT_GUID "', '" MENU_ROOT_GUID
"', '" TOOLBAR_ROOT_GUID "', "
"'" TAGS_ROOT_GUID "', '" UNFILED_ROOT_GUID
"', '" MOBILE_ROOT_GUID "' )"),
getter_AddRefs(stmt));
NS_ENSURE_SUCCESS(rv, rv);
bool hasResult;
nsAutoCString guid;
int32_t maxPosition = 0;
bool shouldReparentRoots = false;
while (NS_SUCCEEDED(stmt->ExecuteStep(&hasResult)) && hasResult) {
rv = stmt->GetUTF8String(0, guid);
NS_ENSURE_SUCCESS(rv, rv);
int64_t parentId = stmt->AsInt64(3);
if (guid.EqualsLiteral(ROOT_GUID)) {
mRootId = stmt->AsInt64(1);
shouldReparentRoots |= parentId != 0;
} else {
maxPosition = std::max(stmt->AsInt32(2), maxPosition);
if (guid.EqualsLiteral(MENU_ROOT_GUID)) {
mMenuRootId = stmt->AsInt64(1);
} else if (guid.EqualsLiteral(TOOLBAR_ROOT_GUID)) {
mToolbarRootId = stmt->AsInt64(1);
} else if (guid.EqualsLiteral(TAGS_ROOT_GUID)) {
mTagsRootId = stmt->AsInt64(1);
} else if (guid.EqualsLiteral(UNFILED_ROOT_GUID)) {
mUnfiledRootId = stmt->AsInt64(1);
} else if (guid.EqualsLiteral(MOBILE_ROOT_GUID)) {
mMobileRootId = stmt->AsInt64(1);
}
shouldReparentRoots |= parentId != mRootId;
}
}
rv = EnsureBookmarkRoots(maxPosition + 1, shouldReparentRoots);
NS_ENSURE_SUCCESS(rv, rv);
return NS_OK;
}
nsresult Database::EnsureBookmarkRoots(const int32_t startPosition,
bool shouldReparentRoots) {
MOZ_ASSERT(NS_IsMainThread());
nsresult rv;
if (mRootId < 1) {
// The first root's title is an empty string.
rv = CreateRoot(mMainConn, "places"_ns, "root________"_ns, ""_ns, 0,
mRootId);
if (NS_FAILED(rv)) return rv;
}
int32_t position = startPosition;
// For the other roots, the UI doesn't rely on the value in the database, so
// just set it to something simple to make it easier for humans to read.
if (mMenuRootId < 1) {
rv = CreateRoot(mMainConn, "menu"_ns, "menu________"_ns, "menu"_ns,
position, mMenuRootId);
if (NS_FAILED(rv)) return rv;
position++;
}
if (mToolbarRootId < 1) {
rv = CreateRoot(mMainConn, "toolbar"_ns, "toolbar_____"_ns, "toolbar"_ns,
position, mToolbarRootId);
if (NS_FAILED(rv)) return rv;
position++;
}
if (mTagsRootId < 1) {
rv = CreateRoot(mMainConn, "tags"_ns, "tags________"_ns, "tags"_ns,
position, mTagsRootId);
if (NS_FAILED(rv)) return rv;
position++;
}
if (mUnfiledRootId < 1) {
rv = CreateRoot(mMainConn, "unfiled"_ns, "unfiled_____"_ns, "unfiled"_ns,
position, mUnfiledRootId);
if (NS_FAILED(rv)) return rv;
position++;
}
if (mMobileRootId < 1) {
int64_t mobileRootId = CreateMobileRoot();
if (mobileRootId <= 0) return NS_ERROR_FAILURE;
{
nsCOMPtr<mozIStorageStatement> mobileRootSyncStatusStmt;
rv = mMainConn->CreateStatement(
nsLiteralCString("UPDATE moz_bookmarks SET syncStatus = "
":sync_status WHERE id = :id"),
getter_AddRefs(mobileRootSyncStatusStmt));
if (NS_FAILED(rv)) return rv;
rv = mobileRootSyncStatusStmt->BindInt32ByName(
"sync_status"_ns, nsINavBookmarksService::SYNC_STATUS_NEW);
if (NS_FAILED(rv)) return rv;
rv = mobileRootSyncStatusStmt->BindInt64ByName("id"_ns, mobileRootId);
if (NS_FAILED(rv)) return rv;
rv = mobileRootSyncStatusStmt->Execute();
if (NS_FAILED(rv)) return rv;
mMobileRootId = mobileRootId;
}
}
if (!shouldReparentRoots) {
return NS_OK;
}
// At least one root had the wrong parent, so we need to ensure that
// all roots are parented correctly, fix their positions, and bump the
// Sync change counter.
rv = mMainConn->ExecuteSimpleSQL(nsLiteralCString(
"CREATE TEMP TRIGGER moz_ensure_bookmark_roots_trigger "
"AFTER UPDATE OF parent ON moz_bookmarks FOR EACH ROW "
"WHEN OLD.parent <> NEW.parent "
"BEGIN "
"UPDATE moz_bookmarks SET "
"syncChangeCounter = syncChangeCounter + 1 "
"WHERE id IN (OLD.parent, NEW.parent, NEW.id); "
"UPDATE moz_bookmarks SET "
"position = position - 1 "
"WHERE parent = OLD.parent AND position >= OLD.position; "
// Fix the positions of the root's old siblings. Since we've already
// moved the root, we need to exclude it from the subquery.
"UPDATE moz_bookmarks SET "
"position = IFNULL((SELECT MAX(position) + 1 FROM moz_bookmarks "
"WHERE parent = NEW.parent AND "
"id <> NEW.id), 0)"
"WHERE id = NEW.id; "
"END"));
if (NS_FAILED(rv)) return rv;
auto guard = MakeScopeExit([&]() {
Unused << mMainConn->ExecuteSimpleSQL(
"DROP TRIGGER moz_ensure_bookmark_roots_trigger"_ns);
});
nsCOMPtr<mozIStorageStatement> reparentStmt;
rv = mMainConn->CreateStatement(
nsLiteralCString(
"UPDATE moz_bookmarks SET "
"parent = CASE id WHEN :root_id THEN 0 ELSE :root_id END "
"WHERE id IN (:root_id, :menu_root_id, :toolbar_root_id, "
":tags_root_id, "
":unfiled_root_id, :mobile_root_id)"),
getter_AddRefs(reparentStmt));
if (NS_FAILED(rv)) return rv;
rv = reparentStmt->BindInt64ByName("root_id"_ns, mRootId);
if (NS_FAILED(rv)) return rv;
rv = reparentStmt->BindInt64ByName("menu_root_id"_ns, mMenuRootId);
if (NS_FAILED(rv)) return rv;
rv = reparentStmt->BindInt64ByName("toolbar_root_id"_ns, mToolbarRootId);
if (NS_FAILED(rv)) return rv;
rv = reparentStmt->BindInt64ByName("tags_root_id"_ns, mTagsRootId);
if (NS_FAILED(rv)) return rv;
rv = reparentStmt->BindInt64ByName("unfiled_root_id"_ns, mUnfiledRootId);
if (NS_FAILED(rv)) return rv;
rv = reparentStmt->BindInt64ByName("mobile_root_id"_ns, mMobileRootId);
if (NS_FAILED(rv)) return rv;
rv = reparentStmt->Execute();
if (NS_FAILED(rv)) return rv;
return NS_OK;
}
nsresult Database::InitFunctions() {
MOZ_ASSERT(NS_IsMainThread());
nsresult rv = GetUnreversedHostFunction::create(mMainConn);
NS_ENSURE_SUCCESS(rv, rv);
rv = MatchAutoCompleteFunction::create(mMainConn);
NS_ENSURE_SUCCESS(rv, rv);
rv = CalculateFrecencyFunction::create(mMainConn);
NS_ENSURE_SUCCESS(rv, rv);
rv = GenerateGUIDFunction::create(mMainConn);
NS_ENSURE_SUCCESS(rv, rv);
rv = IsValidGUIDFunction::create(mMainConn);
NS_ENSURE_SUCCESS(rv, rv);
rv = FixupURLFunction::create(mMainConn);
NS_ENSURE_SUCCESS(rv, rv);
rv = StoreLastInsertedIdFunction::create(mMainConn);
NS_ENSURE_SUCCESS(rv, rv);
rv = HashFunction::create(mMainConn);
NS_ENSURE_SUCCESS(rv, rv);
rv = GetQueryParamFunction::create(mMainConn);
NS_ENSURE_SUCCESS(rv, rv);
rv = GetPrefixFunction::create(mMainConn);
NS_ENSURE_SUCCESS(rv, rv);
rv = GetHostAndPortFunction::create(mMainConn);
NS_ENSURE_SUCCESS(rv, rv);
rv = StripPrefixAndUserinfoFunction::create(mMainConn);
NS_ENSURE_SUCCESS(rv, rv);
rv = IsFrecencyDecayingFunction::create(mMainConn);
NS_ENSURE_SUCCESS(rv, rv);
rv = NoteSyncChangeFunction::create(mMainConn);
NS_ENSURE_SUCCESS(rv, rv);
rv = InvalidateDaysOfHistoryFunction::create(mMainConn);
NS_ENSURE_SUCCESS(rv, rv);
rv = SHA256HexFunction::create(mMainConn);
NS_ENSURE_SUCCESS(rv, rv);
rv = SetShouldStartFrecencyRecalculationFunction::create(mMainConn);
NS_ENSURE_SUCCESS(rv, rv);
rv = TargetFolderGuidFunction::create(mMainConn);
NS_ENSURE_SUCCESS(rv, rv);
if (StaticPrefs::places_frecency_pages_alternative_featureGate_AtStartup()) {
rv = CalculateAltFrecencyFunction::create(mMainConn);
NS_ENSURE_SUCCESS(rv, rv);
}
return NS_OK;
}
nsresult Database::InitTempEntities() {
MOZ_ASSERT(NS_IsMainThread());
nsresult rv =
mMainConn->ExecuteSimpleSQL(CREATE_HISTORYVISITS_AFTERINSERT_TRIGGER);
NS_ENSURE_SUCCESS(rv, rv);
rv = mMainConn->ExecuteSimpleSQL(CREATE_HISTORYVISITS_AFTERDELETE_TRIGGER);
NS_ENSURE_SUCCESS(rv, rv);
rv = mMainConn->ExecuteSimpleSQL(CREATE_PLACES_AFTERINSERT_TRIGGER);
NS_ENSURE_SUCCESS(rv, rv);
rv = mMainConn->ExecuteSimpleSQL(CREATE_UPDATEORIGINSDELETE_TEMP);
NS_ENSURE_SUCCESS(rv, rv);
rv = mMainConn->ExecuteSimpleSQL(
CREATE_UPDATEORIGINSDELETE_AFTERDELETE_TRIGGER);
NS_ENSURE_SUCCESS(rv, rv);
if (Preferences::GetBool(PREF_PREVIEWS_ENABLED, false)) {
rv = mMainConn->ExecuteSimpleSQL(
CREATE_PLACES_AFTERDELETE_WPREVIEWS_TRIGGER);
NS_ENSURE_SUCCESS(rv, rv);
} else {
rv = mMainConn->ExecuteSimpleSQL(CREATE_PLACES_AFTERDELETE_TRIGGER);
NS_ENSURE_SUCCESS(rv, rv);
}
rv = mMainConn->ExecuteSimpleSQL(CREATE_PLACES_AFTERUPDATE_FRECENCY_TRIGGER);
NS_ENSURE_SUCCESS(rv, rv);
rv = mMainConn->ExecuteSimpleSQL(
CREATE_PLACES_AFTERUPDATE_RECALC_FRECENCY_TRIGGER);
NS_ENSURE_SUCCESS(rv, rv);
rv = mMainConn->ExecuteSimpleSQL(
CREATE_ORIGINS_AFTERUPDATE_RECALC_FRECENCY_TRIGGER);
NS_ENSURE_SUCCESS(rv, rv);
rv = mMainConn->ExecuteSimpleSQL(CREATE_ORIGINS_AFTERUPDATE_FRECENCY_TRIGGER);
NS_ENSURE_SUCCESS(rv, rv);
rv = mMainConn->ExecuteSimpleSQL(
CREATE_BOOKMARKS_FOREIGNCOUNT_AFTERDELETE_TRIGGER);
NS_ENSURE_SUCCESS(rv, rv);
rv = mMainConn->ExecuteSimpleSQL(
CREATE_BOOKMARKS_FOREIGNCOUNT_AFTERINSERT_TRIGGER);
NS_ENSURE_SUCCESS(rv, rv);
rv = mMainConn->ExecuteSimpleSQL(
CREATE_BOOKMARKS_FOREIGNCOUNT_AFTERUPDATE_TRIGGER);
NS_ENSURE_SUCCESS(rv, rv);
rv = mMainConn->ExecuteSimpleSQL(
CREATE_KEYWORDS_FOREIGNCOUNT_AFTERDELETE_TRIGGER);
NS_ENSURE_SUCCESS(rv, rv);
rv = mMainConn->ExecuteSimpleSQL(
CREATE_KEYWORDS_FOREIGNCOUNT_AFTERINSERT_TRIGGER);
NS_ENSURE_SUCCESS(rv, rv);
rv = mMainConn->ExecuteSimpleSQL(
CREATE_KEYWORDS_FOREIGNCOUNT_AFTERUPDATE_TRIGGER);
NS_ENSURE_SUCCESS(rv, rv);
rv =
mMainConn->ExecuteSimpleSQL(CREATE_BOOKMARKS_DELETED_AFTERINSERT_TRIGGER);
NS_ENSURE_SUCCESS(rv, rv);
rv =
mMainConn->ExecuteSimpleSQL(CREATE_BOOKMARKS_DELETED_AFTERDELETE_TRIGGER);
NS_ENSURE_SUCCESS(rv, rv);
rv = mMainConn->ExecuteSimpleSQL(CREATE_PLACES_METADATA_AFTERDELETE_TRIGGER);
NS_ENSURE_SUCCESS(rv, rv);
// Create triggers to remove rows with empty json
rv = mMainConn->ExecuteSimpleSQL(CREATE_MOZ_PLACES_EXTRA_AFTERUPDATE_TRIGGER);
NS_ENSURE_SUCCESS(rv, rv);
rv =
mMainConn->ExecuteSimpleSQL(CREATE_MOZ_HISTORYVISITS_AFTERUPDATE_TRIGGER);
NS_ENSURE_SUCCESS(rv, rv);
return NS_OK;
}
nsresult Database::MigrateV53Up() {
nsCOMPtr<mozIStorageStatement> stmt;
nsresult rv = mMainConn->CreateStatement("SELECT 1 FROM moz_items_annos"_ns,
getter_AddRefs(stmt));
if (NS_FAILED(rv)) {
// Likely we removed the table.
return NS_OK;
}
// Remove all item annotations but SYNC_PARENT_ANNO.
rv = mMainConn->CreateStatement(
nsLiteralCString(
"DELETE FROM moz_items_annos "
"WHERE anno_attribute_id NOT IN ( "
" SELECT id FROM moz_anno_attributes WHERE name = :anno_name "
") "),
getter_AddRefs(stmt));
NS_ENSURE_SUCCESS(rv, rv);
rv = stmt->BindUTF8StringByName("anno_name"_ns,
nsLiteralCString(SYNC_PARENT_ANNO));
NS_ENSURE_SUCCESS(rv, rv);
rv = stmt->Execute();
NS_ENSURE_SUCCESS(rv, rv);
rv = mMainConn->ExecuteSimpleSQL(nsLiteralCString(
"DELETE FROM moz_anno_attributes WHERE id IN ( "
" SELECT id FROM moz_anno_attributes "
" EXCEPT "
" SELECT DISTINCT anno_attribute_id FROM moz_annos "
" EXCEPT "
" SELECT DISTINCT anno_attribute_id FROM moz_items_annos "
")"));
NS_ENSURE_SUCCESS(rv, rv);
return NS_OK;
}
nsresult Database::MigrateV54Up() {
// Add an expiration column to moz_icons_to_pages.
nsCOMPtr<mozIStorageStatement> stmt;
nsresult rv = mMainConn->CreateStatement(
"SELECT expire_ms FROM moz_icons_to_pages"_ns, getter_AddRefs(stmt));
if (NS_FAILED(rv)) {
rv = mMainConn->ExecuteSimpleSQL(
"ALTER TABLE moz_icons_to_pages "
"ADD COLUMN expire_ms INTEGER NOT NULL DEFAULT 0 "_ns);
NS_ENSURE_SUCCESS(rv, rv);
}
// Set all the zero-ed entries as expired today, they won't be removed until
// the next related page load.
rv = mMainConn->ExecuteSimpleSQL(
"UPDATE moz_icons_to_pages "
"SET expire_ms = strftime('%s','now','localtime','start "
"of day','utc') * 1000 "
"WHERE expire_ms = 0 "_ns);
NS_ENSURE_SUCCESS(rv, rv);
return NS_OK;
}
nsresult Database::MigrateV55Up() {
// Add places metadata tables.
nsCOMPtr<mozIStorageStatement> stmt;
nsresult rv = mMainConn->CreateStatement(
"SELECT id FROM moz_places_metadata"_ns, getter_AddRefs(stmt));
if (NS_FAILED(rv)) {
// Create the tables.
rv = mMainConn->ExecuteSimpleSQL(CREATE_MOZ_PLACES_METADATA);
NS_ENSURE_SUCCESS(rv, rv);
// moz_places_metadata_search_queries.
rv = mMainConn->ExecuteSimpleSQL(CREATE_MOZ_PLACES_METADATA_SEARCH_QUERIES);
NS_ENSURE_SUCCESS(rv, rv);
}
return NS_OK;
}
nsresult Database::MigrateV56Up() {
// Add places metadata (place_id, created_at) index.
return mMainConn->ExecuteSimpleSQL(
CREATE_IDX_MOZ_PLACES_METADATA_PLACECREATED);
}
nsresult Database::MigrateV57Up() {
// Add the scrolling columns to the metadata.
nsCOMPtr<mozIStorageStatement> stmt;
nsresult rv = mMainConn->CreateStatement(
"SELECT scrolling_time FROM moz_places_metadata"_ns,
getter_AddRefs(stmt));
if (NS_FAILED(rv)) {
rv = mMainConn->ExecuteSimpleSQL(
"ALTER TABLE moz_places_metadata "
"ADD COLUMN scrolling_time INTEGER NOT NULL DEFAULT 0 "_ns);
NS_ENSURE_SUCCESS(rv, rv);
}
rv = mMainConn->CreateStatement(
"SELECT scrolling_distance FROM moz_places_metadata"_ns,
getter_AddRefs(stmt));
if (NS_FAILED(rv)) {
rv = mMainConn->ExecuteSimpleSQL(
"ALTER TABLE moz_places_metadata "
"ADD COLUMN scrolling_distance INTEGER NOT NULL DEFAULT 0 "_ns);
NS_ENSURE_SUCCESS(rv, rv);
}
return NS_OK;
}
nsresult Database::MigrateV60Up() {
// Add the site_name column to moz_places.
nsCOMPtr<mozIStorageStatement> stmt;
nsresult rv = mMainConn->CreateStatement(
"SELECT site_name FROM moz_places"_ns, getter_AddRefs(stmt));
if (NS_FAILED(rv)) {
rv = mMainConn->ExecuteSimpleSQL(
"ALTER TABLE moz_places ADD COLUMN site_name TEXT"_ns);
NS_ENSURE_SUCCESS(rv, rv);
}
return NS_OK;
}
nsresult Database::MigrateV61Up() {
// Add previews tombstones table if necessary.
nsCOMPtr<mozIStorageStatement> stmt;
nsresult rv = mMainConn->CreateStatement(
"SELECT hash FROM moz_previews_tombstones"_ns, getter_AddRefs(stmt));
if (NS_FAILED(rv)) {
rv = mMainConn->ExecuteSimpleSQL(CREATE_MOZ_PREVIEWS_TOMBSTONES);
NS_ENSURE_SUCCESS(rv, rv);
}
return NS_OK;
}
nsresult Database::MigrateV67Up() {
// Align all input field in moz_inputhistory to lowercase. If there are
// multiple records that expresses the same input, use maximum use_count from
// them to carry on the experience of the past.
nsCOMPtr<mozIStorageStatement> stmt;
nsresult rv = mMainConn->ExecuteSimpleSQL(
"INSERT INTO moz_inputhistory "
"SELECT place_id, LOWER(input), use_count FROM moz_inputhistory "
" WHERE LOWER(input) <> input "
"ON CONFLICT DO "
" UPDATE SET use_count = MAX(use_count, EXCLUDED.use_count)"_ns);
NS_ENSURE_SUCCESS(rv, rv);
rv = mMainConn->ExecuteSimpleSQL(
"DELETE FROM moz_inputhistory WHERE LOWER(input) <> input"_ns);
NS_ENSURE_SUCCESS(rv, rv);
return NS_OK;
}
nsresult Database::MigrateV69Up() {
// Add source and annotation column to places table.
nsCOMPtr<mozIStorageStatement> stmt;
nsresult rv = mMainConn->CreateStatement(
"SELECT source FROM moz_historyvisits"_ns, getter_AddRefs(stmt));
if (NS_FAILED(rv)) {
rv = mMainConn->ExecuteSimpleSQL(
"ALTER TABLE moz_historyvisits "
"ADD COLUMN source INTEGER DEFAULT 0 NOT NULL"_ns);
NS_ENSURE_SUCCESS(rv, rv);
rv = mMainConn->ExecuteSimpleSQL(
"ALTER TABLE moz_historyvisits "
"ADD COLUMN triggeringPlaceId INTEGER"_ns);
NS_ENSURE_SUCCESS(rv, rv);
}
return NS_OK;
}
nsresult Database::MigrateV70Up() {
nsCOMPtr<mozIStorageStatement> stmt;
nsresult rv = mMainConn->CreateStatement(
"SELECT recalc_frecency FROM moz_places LIMIT 1 "_ns,
getter_AddRefs(stmt));
if (NS_FAILED(rv)) {
// Add recalc_frecency column, indicating frecency has to be recalculated.
rv = mMainConn->ExecuteSimpleSQL(
"ALTER TABLE moz_places "
"ADD COLUMN recalc_frecency INTEGER NOT NULL DEFAULT 0 "_ns);
NS_ENSURE_SUCCESS(rv, rv);
}
// We must do the following updates regardless, for downgrade/upgrade cases.
// moz_origins frecency is, at the time of this migration, the sum of all the
// positive frecencies of pages linked to that origin. Frecencies that were
// set to negative to request recalculation are thus not accounted for, and
// since we're about to flip them to positive we should add them to their
// origin. Then we must also update origins stats.
// We ignore frecency = -1 because it's just an indication to recalculate
// frecency and not an actual frecency value that was flipped, thus it would
// not make sense to count it for the origin.
rv = mMainConn->ExecuteSimpleSQL(
"UPDATE moz_origins "
"SET frecency = frecency + abs_frecency "
"FROM (SELECT origin_id, ABS(frecency) AS abs_frecency FROM moz_places "
"WHERE frecency < -1) AS places "
"WHERE moz_origins.id = places.origin_id"_ns);
NS_ENSURE_SUCCESS(rv, rv);
rv = mMainConn->ExecuteSimpleSQL(
"INSERT OR REPLACE INTO moz_meta(key, value) VALUES "
"('origin_frecency_count', "
"(SELECT COUNT(*) FROM moz_origins WHERE frecency > 0) "
"), "
"('origin_frecency_sum', "
"(SELECT TOTAL(frecency) FROM moz_origins WHERE frecency > 0) "
"), "
"('origin_frecency_sum_of_squares', "
"(SELECT TOTAL(frecency * frecency) FROM moz_origins WHERE frecency > 0) "
") "_ns);
NS_ENSURE_SUCCESS(rv, rv);
// Now set recalc_frecency = 1 and positive frecency to any page having a
// negative frecency.
// Note we don't flip frecency = -1, since we skipped it above when updating
// origins, and it remains an acceptable value yet, until the recalculation.
rv = mMainConn->ExecuteSimpleSQL(
"UPDATE moz_places "
"SET recalc_frecency = 1, "
" frecency = CASE WHEN frecency = -1 THEN -1 ELSE ABS(frecency) END "
"WHERE frecency < 0 "_ns);
NS_ENSURE_SUCCESS(rv, rv);
return NS_OK;
}
nsresult Database::MigrateV71Up() {
// Fix the foreign counts. We ignore failures as the tables may not exist.
mMainConn->ExecuteSimpleSQL(
"UPDATE moz_places "
"SET foreign_count = foreign_count - 1 "
"WHERE id in (SELECT place_id FROM moz_places_metadata_snapshots)"_ns);
mMainConn->ExecuteSimpleSQL(
"UPDATE moz_places "
"SET foreign_count = foreign_count - 1 "
"WHERE id in (SELECT place_id FROM moz_session_to_places)"_ns);
// Remove unused snapshots and session tables and indexes.
nsresult rv = mMainConn->ExecuteSimpleSQL(
"DROP INDEX IF EXISTS moz_places_metadata_snapshots_pinnedindex"_ns);
NS_ENSURE_SUCCESS(rv, rv);
rv = mMainConn->ExecuteSimpleSQL(
"DROP INDEX IF EXISTS moz_places_metadata_snapshots_extra_typeindex"_ns);
NS_ENSURE_SUCCESS(rv, rv);
rv = mMainConn->ExecuteSimpleSQL(
"DROP TABLE IF EXISTS moz_places_metadata_groups_to_snapshots"_ns);
NS_ENSURE_SUCCESS(rv, rv);
rv = mMainConn->ExecuteSimpleSQL(
"DROP TABLE IF EXISTS moz_places_metadata_snapshots_groups"_ns);
NS_ENSURE_SUCCESS(rv, rv);
rv = mMainConn->ExecuteSimpleSQL(
"DROP TABLE IF EXISTS moz_places_metadata_snapshots_extra"_ns);
NS_ENSURE_SUCCESS(rv, rv);
rv = mMainConn->ExecuteSimpleSQL(
"DROP TABLE IF EXISTS moz_places_metadata_snapshots"_ns);
NS_ENSURE_SUCCESS(rv, rv);
rv = mMainConn->ExecuteSimpleSQL(
"DROP TABLE IF EXISTS moz_session_to_places"_ns);
NS_ENSURE_SUCCESS(rv, rv);
rv = mMainConn->ExecuteSimpleSQL(
"DROP TABLE IF EXISTS moz_session_metadata"_ns);
NS_ENSURE_SUCCESS(rv, rv);
return NS_OK;
}
nsresult Database::MigrateV72Up() {
// Recalculate frecency of unvisited bookmarks.
nsresult rv = mMainConn->ExecuteSimpleSQL(
"UPDATE moz_places "
"SET recalc_frecency = 1 "
"WHERE foreign_count > 0 AND visit_count = 0"_ns);
NS_ENSURE_SUCCESS(rv, rv);
return NS_OK;
}
nsresult Database::MigrateV73Up() {
// Add recalc_frecency, alt_frecency and recalc_alt_frecency to moz_origins.
nsCOMPtr<mozIStorageStatement> stmt;
nsresult rv = mMainConn->CreateStatement(
"SELECT recalc_frecency FROM moz_origins"_ns, getter_AddRefs(stmt));
if (NS_FAILED(rv)) {
rv = mMainConn->ExecuteSimpleSQL(
"ALTER TABLE moz_origins "
"ADD COLUMN recalc_frecency INTEGER NOT NULL DEFAULT 0"_ns);
NS_ENSURE_SUCCESS(rv, rv);
rv = mMainConn->ExecuteSimpleSQL(
"ALTER TABLE moz_origins "
"ADD COLUMN alt_frecency INTEGER"_ns);
NS_ENSURE_SUCCESS(rv, rv);
rv = mMainConn->ExecuteSimpleSQL(
"ALTER TABLE moz_origins "
"ADD COLUMN recalc_alt_frecency INTEGER NOT NULL DEFAULT 0"_ns);
NS_ENSURE_SUCCESS(rv, rv);
}
return NS_OK;
}
nsresult Database::MigrateV74Up() {
// Add alt_frecency and recalc_alt_frecency to moz_places.
nsCOMPtr<mozIStorageStatement> stmt;
nsresult rv = mMainConn->CreateStatement(
"SELECT alt_frecency FROM moz_places"_ns, getter_AddRefs(stmt));
if (NS_FAILED(rv)) {
rv = mMainConn->ExecuteSimpleSQL(
"ALTER TABLE moz_places "
"ADD COLUMN alt_frecency INTEGER"_ns);
NS_ENSURE_SUCCESS(rv, rv);
rv = mMainConn->ExecuteSimpleSQL(
"ALTER TABLE moz_places "
"ADD COLUMN recalc_alt_frecency INTEGER NOT NULL DEFAULT 0"_ns);
NS_ENSURE_SUCCESS(rv, rv);
rv = mMainConn->ExecuteSimpleSQL(CREATE_IDX_MOZ_PLACES_ALT_FRECENCY);
NS_ENSURE_SUCCESS(rv, rv);
}
return NS_OK;
}
nsresult Database::MigrateV75Up() {
// Add *_extra tables for moz_places and moz_historyvisits
nsCOMPtr<mozIStorageStatement> stmt;
nsresult rv = mMainConn->CreateStatement(
"SELECT sync_json FROM moz_places_extra"_ns, getter_AddRefs(stmt));
if (NS_FAILED(rv)) {
nsresult rv = mMainConn->ExecuteSimpleSQL(CREATE_MOZ_PLACES_EXTRA);
NS_ENSURE_SUCCESS(rv, rv);
rv = mMainConn->ExecuteSimpleSQL(CREATE_MOZ_HISTORYVISITS_EXTRA);
NS_ENSURE_SUCCESS(rv, rv);
}
return NS_OK;
}
nsresult Database::MigrateV76Up() {
// Recalculate origins frecency.
nsCOMPtr<mozIStorageStatement> stmt;
nsresult rv = mMainConn->ExecuteSimpleSQL(
"UPDATE moz_origins SET recalc_frecency = 1"_ns);
NS_ENSURE_SUCCESS(rv, rv);
return NS_OK;
}
int64_t Database::CreateMobileRoot() {
MOZ_ASSERT(NS_IsMainThread());
// Create the mobile root, ignoring conflicts if one already exists (for
// example, if the user downgraded to an earlier release channel).
nsCOMPtr<mozIStorageStatement> createStmt;
nsresult rv = mMainConn->CreateStatement(
nsLiteralCString(
"INSERT OR IGNORE INTO moz_bookmarks "
"(type, title, dateAdded, lastModified, guid, position, parent) "
"SELECT :item_type, :item_title, :timestamp, :timestamp, :guid, "
"IFNULL((SELECT MAX(position) + 1 FROM moz_bookmarks p WHERE "
"p.parent = b.id), 0), b.id "
"FROM moz_bookmarks b WHERE b.parent = 0"),
getter_AddRefs(createStmt));
if (NS_FAILED(rv)) return -1;
rv = createStmt->BindInt32ByName("item_type"_ns,
nsINavBookmarksService::TYPE_FOLDER);
if (NS_FAILED(rv)) return -1;
rv = createStmt->BindUTF8StringByName("item_title"_ns,
nsLiteralCString(MOBILE_ROOT_TITLE));
if (NS_FAILED(rv)) return -1;
rv = createStmt->BindInt64ByName("timestamp"_ns, RoundedPRNow());
if (NS_FAILED(rv)) return -1;
rv = createStmt->BindUTF8StringByName("guid"_ns,
nsLiteralCString(MOBILE_ROOT_GUID));
if (NS_FAILED(rv)) return -1;
rv = createStmt->Execute();
if (NS_FAILED(rv)) return -1;
// Find the mobile root ID. We can't use the last inserted ID because the
// root might already exist, and we ignore on conflict.
nsCOMPtr<mozIStorageStatement> findIdStmt;
rv = mMainConn->CreateStatement(
"SELECT id FROM moz_bookmarks WHERE guid = :guid"_ns,
getter_AddRefs(findIdStmt));
if (NS_FAILED(rv)) return -1;
rv = findIdStmt->BindUTF8StringByName("guid"_ns,
nsLiteralCString(MOBILE_ROOT_GUID));
if (NS_FAILED(rv)) return -1;
bool hasResult = false;
rv = findIdStmt->ExecuteStep(&hasResult);
if (NS_FAILED(rv) || !hasResult) return -1;
int64_t rootId;
rv = findIdStmt->GetInt64(0, &rootId);
if (NS_FAILED(rv)) return -1;
return rootId;
}
void Database::Shutdown() {
// As the last step in the shutdown path, finalize the database handle.
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(!mClosed);
// Break cycles with the shutdown blockers.
mClientsShutdown = nullptr;
nsCOMPtr<mozIStorageCompletionCallback> connectionShutdown =
std::move(mConnectionShutdown);
if (!mMainConn) {
// The connection has never been initialized. Just mark it as closed.
mClosed = true;
(void)connectionShutdown->Complete(NS_OK, nullptr);
return;
}
#ifdef DEBUG
{
bool hasResult;
nsCOMPtr<mozIStorageStatement> stmt;
// Sanity check for missing guids.
nsresult rv =
mMainConn->CreateStatement(nsLiteralCString("SELECT 1 "
"FROM moz_places "
"WHERE guid IS NULL "),
getter_AddRefs(stmt));
MOZ_ASSERT(NS_SUCCEEDED(rv));
rv = stmt->ExecuteStep(&hasResult);
MOZ_ASSERT(NS_SUCCEEDED(rv));
MOZ_ASSERT(!hasResult, "Found a page without a GUID!");
rv = mMainConn->CreateStatement(nsLiteralCString("SELECT 1 "
"FROM moz_bookmarks "
"WHERE guid IS NULL "),
getter_AddRefs(stmt));
MOZ_ASSERT(NS_SUCCEEDED(rv));
rv = stmt->ExecuteStep(&hasResult);
MOZ_ASSERT(NS_SUCCEEDED(rv));
MOZ_ASSERT(!hasResult, "Found a bookmark without a GUID!");
// Sanity check for unrounded dateAdded and lastModified values (bug
// 1107308).
rv = mMainConn->CreateStatement(
nsLiteralCString(
"SELECT 1 "
"FROM moz_bookmarks "
"WHERE dateAdded % 1000 > 0 OR lastModified % 1000 > 0 LIMIT 1"),
getter_AddRefs(stmt));
MOZ_ASSERT(NS_SUCCEEDED(rv));
rv = stmt->ExecuteStep(&hasResult);
MOZ_ASSERT(NS_SUCCEEDED(rv));
MOZ_ASSERT(!hasResult, "Found unrounded dates!");
// Sanity check url_hash
rv = mMainConn->CreateStatement(
"SELECT 1 FROM moz_places WHERE url_hash = 0"_ns, getter_AddRefs(stmt));
MOZ_ASSERT(NS_SUCCEEDED(rv));
rv = stmt->ExecuteStep(&hasResult);
MOZ_ASSERT(NS_SUCCEEDED(rv));
MOZ_ASSERT(!hasResult, "Found a place without a hash!");
// Sanity check unique urls
rv = mMainConn->CreateStatement(
nsLiteralCString(
"SELECT 1 FROM moz_places GROUP BY url HAVING count(*) > 1 "),
getter_AddRefs(stmt));
MOZ_ASSERT(NS_SUCCEEDED(rv));
rv = stmt->ExecuteStep(&hasResult);
MOZ_ASSERT(NS_SUCCEEDED(rv));
MOZ_ASSERT(!hasResult, "Found a duplicate url!");
// Sanity check NULL urls
rv = mMainConn->CreateStatement(
"SELECT 1 FROM moz_places WHERE url ISNULL "_ns, getter_AddRefs(stmt));
MOZ_ASSERT(NS_SUCCEEDED(rv));
rv = stmt->ExecuteStep(&hasResult);
MOZ_ASSERT(NS_SUCCEEDED(rv));
MOZ_ASSERT(!hasResult, "Found a NULL url!");
}
#endif
mMainThreadStatements.FinalizeStatements();
mMainThreadAsyncStatements.FinalizeStatements();
RefPtr<FinalizeStatementCacheProxy<mozIStorageStatement>> event =
new FinalizeStatementCacheProxy<mozIStorageStatement>(
mAsyncThreadStatements, NS_ISUPPORTS_CAST(nsIObserver*, this));
DispatchToAsyncThread(event);
mClosed = true;
// Execute PRAGMA optimized as last step, this will ensure proper database
// performance across restarts.
nsCOMPtr<mozIStoragePendingStatement> ps;
MOZ_ALWAYS_SUCCEEDS(mMainConn->ExecuteSimpleSQLAsync(
"PRAGMA optimize(0x02)"_ns, nullptr, getter_AddRefs(ps)));
if (NS_FAILED(mMainConn->AsyncClose(connectionShutdown))) {
mozilla::Unused << connectionShutdown->Complete(NS_ERROR_UNEXPECTED,
nullptr);
}
mMainConn = nullptr;
}
////////////////////////////////////////////////////////////////////////////////
//// nsIObserver
NS_IMETHODIMP
Database::Observe(nsISupports* aSubject, const char* aTopic,
const char16_t* aData) {
MOZ_ASSERT(NS_IsMainThread());
if (strcmp(aTopic, TOPIC_PROFILE_CHANGE_TEARDOWN) == 0) {
// Tests simulating shutdown may cause multiple notifications.
if (PlacesShutdownBlocker::sIsStarted) {
return NS_OK;
}
nsCOMPtr<nsIObserverService> os = services::GetObserverService();
NS_ENSURE_STATE(os);
// If shutdown happens in the same mainthread loop as init, observers could
// handle the places-init-complete notification after xpcom-shutdown, when
// the connection does not exist anymore. Removing those observers would
// be less expensive but may cause their RemoveObserver calls to throw.
// Thus notify the topic now, so they stop listening for it.
nsCOMPtr<nsISimpleEnumerator> e;
if (NS_SUCCEEDED(os->EnumerateObservers(TOPIC_PLACES_INIT_COMPLETE,
getter_AddRefs(e))) &&
e) {
bool hasMore = false;
while (NS_SUCCEEDED(e->HasMoreElements(&hasMore)) && hasMore) {
nsCOMPtr<nsISupports> supports;
if (NS_SUCCEEDED(e->GetNext(getter_AddRefs(supports)))) {
nsCOMPtr<nsIObserver> observer = do_QueryInterface(supports);
(void)observer->Observe(observer, TOPIC_PLACES_INIT_COMPLETE,
nullptr);
}
}
}
// Notify all Places users that we are about to shutdown.
(void)os->NotifyObservers(nullptr, TOPIC_PLACES_SHUTDOWN, nullptr);
} else if (strcmp(aTopic, TOPIC_SIMULATE_PLACES_SHUTDOWN) == 0) {
// This notification is (and must be) only used by tests that are trying
// to simulate Places shutdown out of the normal shutdown path.
// Tests simulating shutdown may cause re-entrance.
if (PlacesShutdownBlocker::sIsStarted) {
return NS_OK;
}
// We are simulating a shutdown, so invoke the shutdown blockers,
// wait for them, then proceed with connection shutdown.
// Since we are already going through shutdown, but it's not the real one,
// we won't need to block the real one anymore, so we can unblock it.
{
nsCOMPtr<nsIAsyncShutdownClient> shutdownPhase =
GetProfileChangeTeardownPhase();
if (shutdownPhase) {
shutdownPhase->RemoveBlocker(mClientsShutdown.get());
}
(void)mClientsShutdown->BlockShutdown(nullptr);
}
// Spin the events loop until the clients are done.
// Note, this is just for tests, specifically test_clearHistory_shutdown.js
SpinEventLoopUntil("places:Database::Observe(SIMULATE_PLACES_SHUTDOWN)"_ns,
[&]() {
return mClientsShutdown->State() ==
PlacesShutdownBlocker::States::RECEIVED_DONE;
});
{
nsCOMPtr<nsIAsyncShutdownClient> shutdownPhase =
GetProfileBeforeChangePhase();
if (shutdownPhase) {
shutdownPhase->RemoveBlocker(mConnectionShutdown.get());
}
(void)mConnectionShutdown->BlockShutdown(nullptr);
}
}
return NS_OK;
}
} // namespace mozilla::places
View git blame Copy permalink