nsresult
DOMStorageManager::GetStorageInternal(bool aCreate,
nsIDOMWindow* aWindow,
nsIPrincipal* aPrincipal,
const nsAString& aDocumentURI,
bool aPrivate,
nsIDOMStorage** aRetval)
{
nsresult rv;
nsAutoCString scope;
rv = CreateScopeKey(aPrincipal, scope);
if (NS_FAILED(rv)) {
return NS_ERROR_NOT_AVAILABLE;
}
RefPtr<DOMStorageCache> cache = GetCache(scope);
// Get or create a cache for the given scope
if (!cache) {
if (!aCreate) {
*aRetval = nullptr;
return NS_OK;
}
if (!aRetval) {
// This is demand to just preload the cache, if the scope has
// no data stored, bypass creation and preload of the cache.
DOMStorageDBBridge* db = DOMStorageCache::GetDatabase();
if (db) {
if (!db->ShouldPreloadScope(scope)) {
return NS_OK;
}
} else {
if (scope.EqualsLiteral("knalb.:about")) {
return NS_OK;
}
}
}
// There is always a single instance of a cache per scope
// in a single instance of a DOM storage manager.
cache = PutCache(scope, aPrincipal);
} else if (mType == SessionStorage) {
if (!cache->CheckPrincipal(aPrincipal)) {
return NS_ERROR_DOM_SECURITY_ERR;
}
}
if (aRetval) {
nsCOMPtr<nsIDOMStorage> storage = new DOMStorage(
aWindow, this, cache, aDocumentURI, aPrincipal, aPrivate);
storage.forget(aRetval);
}
return NS_OK;
}
bool
DOMStorageDBParent::RecvAsyncFlush()
{
DOMStorageDBBridge* db = DOMStorageCache::GetDatabase();
if (!db) {
return false;
}
db->AsyncFlush();
return true;
}
bool
DOMStorageDBParent::RecvAsyncPreload(const nsCString& aScope, const bool& aPriority)
{
DOMStorageDBBridge* db = DOMStorageCache::StartDatabase();
if (!db) {
return false;
}
db->AsyncPreload(NewCache(aScope), aPriority);
return true;
}
bool
DOMStorageDBChild::RecvLoadUsage(const nsCString& aScope, const int64_t& aUsage)
{
DOMStorageDBBridge* db = DOMStorageCache::GetDatabase();
if (!db) {
return false;
}
DOMStorageUsageBridge* scopeUsage = db->GetScopeUsage(aScope);
scopeUsage->LoadUsage(aUsage);
return true;
}
bool
DOMStorageDBParent::RecvAsyncGetUsage(const nsCString& aScope)
{
DOMStorageDBBridge* db = DOMStorageCache::StartDatabase();
if (!db) {
return false;
}
// The object releases it self in LoadUsage method
nsRefPtr<UsageParentBridge> usage = new UsageParentBridge(this, aScope);
db->AsyncGetUsage(usage);
return true;
}
bool
DOMStorageDBParent::RecvAsyncClear(const nsCString& aScope)
{
DOMStorageDBBridge* db = DOMStorageCache::StartDatabase();
if (!db) {
return false;
}
nsresult rv = db->AsyncClear(NewCache(aScope));
if (NS_FAILED(rv) && mIPCOpen) {
mozilla::unused << SendError(rv);
}
return true;
}
bool
DOMStorageDBParent::RecvPreload(const nsCString& aScope,
const uint32_t& aAlreadyLoadedCount,
InfallibleTArray<nsString>* aKeys,
InfallibleTArray<nsString>* aValues,
nsresult* aRv)
{
DOMStorageDBBridge* db = DOMStorageCache::StartDatabase();
if (!db) {
return false;
}
nsRefPtr<SyncLoadCacheHelper> cache(
new SyncLoadCacheHelper(aScope, aAlreadyLoadedCount, aKeys, aValues, aRv));
db->SyncPreload(cache, true);
return true;
}
already_AddRefed<DOMStorageUsage>
DOMStorageManager::GetScopeUsage(const nsACString& aScope)
{
RefPtr<DOMStorageUsage> usage;
if (mUsages.Get(aScope, &usage)) {
return usage.forget();
}
usage = new DOMStorageUsage(aScope);
if (mType == LocalStorage) {
DOMStorageDBBridge* db = DOMStorageCache::StartDatabase();
if (db) {
db->AsyncGetUsage(usage);
}
}
mUsages.Put(aScope, usage);
return usage.forget();
}
NS_IMETHODIMP
DOMStorageObserver::Observe(nsISupports* aSubject,
const char* aTopic,
const PRUnichar* aData)
{
nsresult rv;
// Start the thread that opens the database.
if (!strcmp(aTopic, kStartupTopic)) {
nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService();
obs->RemoveObserver(this, kStartupTopic);
mDBThreadStartDelayTimer = do_CreateInstance(NS_TIMER_CONTRACTID);
if (!mDBThreadStartDelayTimer) {
return NS_ERROR_UNEXPECTED;
}
mDBThreadStartDelayTimer->Init(this, nsITimer::TYPE_ONE_SHOT, kStartupDelay);
return NS_OK;
}
// Timer callback used to start the database a short timer after startup
if (!strcmp(aTopic, NS_TIMER_CALLBACK_TOPIC)) {
nsCOMPtr<nsITimer> timer = do_QueryInterface(aSubject);
if (!timer) {
return NS_ERROR_UNEXPECTED;
}
if (timer == mDBThreadStartDelayTimer) {
mDBThreadStartDelayTimer = nullptr;
DOMStorageDBBridge* db = DOMStorageCache::StartDatabase();
NS_ENSURE_TRUE(db, NS_ERROR_FAILURE);
}
return NS_OK;
}
// Clear everything, caches + database
if (!strcmp(aTopic, "cookie-changed")) {
if (!NS_LITERAL_STRING("cleared").Equals(aData)) {
return NS_OK;
}
DOMStorageDBBridge* db = DOMStorageCache::StartDatabase();
NS_ENSURE_TRUE(db, NS_ERROR_FAILURE);
db->AsyncClearAll();
Notify("cookie-cleared");
return NS_OK;
}
// Clear from caches everything that has been stored
// while in session-only mode
if (!strcmp(aTopic, "perm-changed")) {
// Check for cookie permission change
nsCOMPtr<nsIPermission> perm(do_QueryInterface(aSubject));
if (!perm) {
return NS_OK;
}
nsAutoCString type;
perm->GetType(type);
if (type != NS_LITERAL_CSTRING("cookie")) {
return NS_OK;
}
uint32_t cap = 0;
perm->GetCapability(&cap);
if (!(cap & nsICookiePermission::ACCESS_SESSION) ||
!NS_LITERAL_STRING("deleted").Equals(nsDependentString(aData))) {
return NS_OK;
}
nsAutoCString host;
perm->GetHost(host);
if (host.IsEmpty()) {
return NS_OK;
}
nsAutoCString scope;
rv = CreateReversedDomain(host, scope);
NS_ENSURE_SUCCESS(rv, rv);
Notify("session-only-cleared", scope);
return NS_OK;
}
// Clear everything (including so and pb data) from caches and database
// for the gived domain and subdomains.
if (!strcmp(aTopic, "browser:purge-domain-data")) {
// Convert the domain name to the ACE format
nsAutoCString aceDomain;
nsCOMPtr<nsIIDNService> converter = do_GetService(NS_IDNSERVICE_CONTRACTID);
if (converter) {
rv = converter->ConvertUTF8toACE(NS_ConvertUTF16toUTF8(aData), aceDomain);
NS_ENSURE_SUCCESS(rv, rv);
} else {
// In case the IDN service is not available, this is the best we can come up with!
NS_EscapeURL(NS_ConvertUTF16toUTF8(aData),
esc_OnlyNonASCII | esc_AlwaysCopy,
aceDomain);
}
nsAutoCString scopePrefix;
rv = CreateReversedDomain(aceDomain, scopePrefix);
NS_ENSURE_SUCCESS(rv, rv);
DOMStorageDBBridge* db = DOMStorageCache::StartDatabase();
NS_ENSURE_TRUE(db, NS_ERROR_FAILURE);
db->AsyncClearMatchingScope(scopePrefix);
Notify("domain-data-cleared", scopePrefix);
return NS_OK;
}
// Clear all private-browsing caches
if (!strcmp(aTopic, "last-pb-context-exited")) {
Notify("private-browsing-data-cleared");
return NS_OK;
}
// Clear data beloging to an app.
if (!strcmp(aTopic, "webapps-clear-data")) {
nsCOMPtr<mozIApplicationClearPrivateDataParams> params =
do_QueryInterface(aSubject);
if (!params) {
NS_ERROR("'webapps-clear-data' notification's subject should be a mozIApplicationClearPrivateDataParams");
return NS_ERROR_UNEXPECTED;
}
uint32_t appId;
bool browserOnly;
rv = params->GetAppId(&appId);
NS_ENSURE_SUCCESS(rv, rv);
rv = params->GetBrowserOnly(&browserOnly);
NS_ENSURE_SUCCESS(rv, rv);
MOZ_ASSERT(appId != nsIScriptSecurityManager::UNKNOWN_APP_ID);
DOMStorageDBBridge* db = DOMStorageCache::StartDatabase();
NS_ENSURE_TRUE(db, NS_ERROR_FAILURE);
nsAutoCString scope;
scope.AppendInt(appId);
scope.Append(NS_LITERAL_CSTRING(":t:"));
db->AsyncClearMatchingScope(scope);
Notify("app-data-cleared", scope);
if (!browserOnly) {
scope.Truncate();
scope.AppendInt(appId);
scope.Append(NS_LITERAL_CSTRING(":f:"));
db->AsyncClearMatchingScope(scope);
Notify("app-data-cleared", scope);
}
return NS_OK;
}
if (!strcmp(aTopic, "profile-after-change")) {
Notify("profile-change");
return NS_OK;
}
if (!strcmp(aTopic, "profile-before-change") ||
!strcmp(aTopic, "xpcom-shutdown")) {
rv = DOMStorageCache::StopDatabase();
if (NS_FAILED(rv)) {
NS_WARNING("Error while stopping DOMStorage DB background thread");
}
return NS_OK;
}
if (!strcmp(aTopic, "disk-space-watcher")) {
if (NS_LITERAL_STRING("full").Equals(aData)) {
Notify("low-disk-space");
} else if (NS_LITERAL_STRING("free").Equals(aData)) {
Notify("no-low-disk-space");
}
return NS_OK;
}
#ifdef DOM_STORAGE_TESTS
if (!strcmp(aTopic, "domstorage-test-flush-force")) {
DOMStorageDBBridge* db = DOMStorageCache::GetDatabase();
if (db) {
db->AsyncFlush();
}
return NS_OK;
}
if (!strcmp(aTopic, "domstorage-test-flushed")) {
// Only used to propagate to IPC children
Notify("test-flushed");
return NS_OK;
}
if (!strcmp(aTopic, "domstorage-test-reload")) {
Notify("test-reload");
return NS_OK;
}
#endif
NS_ERROR("Unexpected topic");
return NS_ERROR_UNEXPECTED;
}
nsresult
DOMStorageManager::GetStorageInternal(bool aCreate,
mozIDOMWindow* aWindow,
nsIPrincipal* aPrincipal,
const nsAString& aDocumentURI,
bool aPrivate,
nsIDOMStorage** aRetval)
{
nsresult rv;
nsAutoCString originAttrSuffix;
BasePrincipal::Cast(aPrincipal)->OriginAttributesRef().CreateSuffix(originAttrSuffix);
nsAutoCString originKey;
rv = AppendOriginNoSuffix(aPrincipal, originKey);
if (NS_FAILED(rv)) {
return NS_ERROR_NOT_AVAILABLE;
}
RefPtr<DOMStorageCache> cache = GetCache(originAttrSuffix, originKey);
// Get or create a cache for the given scope
if (!cache) {
if (!aCreate) {
*aRetval = nullptr;
return NS_OK;
}
if (!aRetval) {
// This is a demand to just preload the cache, if the scope has
// no data stored, bypass creation and preload of the cache.
DOMStorageDBBridge* db = DOMStorageCache::GetDatabase();
if (db) {
if (!db->ShouldPreloadOrigin(DOMStorageManager::CreateOrigin(originAttrSuffix, originKey))) {
return NS_OK;
}
} else {
if (originKey.EqualsLiteral("knalb.:about")) {
return NS_OK;
}
}
}
// There is always a single instance of a cache per scope
// in a single instance of a DOM storage manager.
cache = PutCache(originAttrSuffix, originKey, aPrincipal);
} else if (mType == SessionStorage) {
if (!cache->CheckPrincipal(aPrincipal)) {
return NS_ERROR_DOM_SECURITY_ERR;
}
}
if (aRetval) {
nsCOMPtr<nsPIDOMWindowInner> inner = nsPIDOMWindowInner::From(aWindow);
nsCOMPtr<nsIDOMStorage> storage = new DOMStorage(
inner, this, cache, aDocumentURI, aPrincipal, aPrivate);
storage.forget(aRetval);
}
return NS_OK;
}
NS_IMETHODIMP
DOMStorageObserver::Observe(nsISupports* aSubject,
const char* aTopic,
const char16_t* aData)
{
nsresult rv;
// Start the thread that opens the database.
if (!strcmp(aTopic, kStartupTopic)) {
nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService();
obs->RemoveObserver(this, kStartupTopic);
mDBThreadStartDelayTimer = do_CreateInstance(NS_TIMER_CONTRACTID);
if (!mDBThreadStartDelayTimer) {
return NS_ERROR_UNEXPECTED;
}
mDBThreadStartDelayTimer->Init(this, nsITimer::TYPE_ONE_SHOT, kStartupDelay);
return NS_OK;
}
// Timer callback used to start the database a short timer after startup
if (!strcmp(aTopic, NS_TIMER_CALLBACK_TOPIC)) {
nsCOMPtr<nsITimer> timer = do_QueryInterface(aSubject);
if (!timer) {
return NS_ERROR_UNEXPECTED;
}
if (timer == mDBThreadStartDelayTimer) {
mDBThreadStartDelayTimer = nullptr;
DOMStorageDBBridge* db = DOMStorageCache::StartDatabase();
NS_ENSURE_TRUE(db, NS_ERROR_FAILURE);
}
return NS_OK;
}
// Clear everything, caches + database
if (!strcmp(aTopic, "cookie-changed")) {
if (!NS_LITERAL_STRING("cleared").Equals(aData)) {
return NS_OK;
}
DOMStorageDBBridge* db = DOMStorageCache::StartDatabase();
NS_ENSURE_TRUE(db, NS_ERROR_FAILURE);
db->AsyncClearAll();
Notify("cookie-cleared");
return NS_OK;
}
// Clear from caches everything that has been stored
// while in session-only mode
if (!strcmp(aTopic, "perm-changed")) {
// Check for cookie permission change
nsCOMPtr<nsIPermission> perm(do_QueryInterface(aSubject));
if (!perm) {
return NS_OK;
}
nsAutoCString type;
perm->GetType(type);
if (type != NS_LITERAL_CSTRING("cookie")) {
return NS_OK;
}
uint32_t cap = 0;
perm->GetCapability(&cap);
if (!(cap & nsICookiePermission::ACCESS_SESSION) ||
!NS_LITERAL_STRING("deleted").Equals(nsDependentString(aData))) {
return NS_OK;
}
nsCOMPtr<nsIPrincipal> principal;
perm->GetPrincipal(getter_AddRefs(principal));
if (!principal) {
return NS_OK;
}
nsAutoCString originSuffix;
BasePrincipal::Cast(principal)->OriginAttributesRef().CreateSuffix(originSuffix);
nsCOMPtr<nsIURI> origin;
principal->GetURI(getter_AddRefs(origin));
if (!origin) {
return NS_OK;
}
nsAutoCString host;
origin->GetHost(host);
if (host.IsEmpty()) {
return NS_OK;
}
nsAutoCString originScope;
rv = CreateReversedDomain(host, originScope);
NS_ENSURE_SUCCESS(rv, rv);
Notify("session-only-cleared", NS_ConvertUTF8toUTF16(originSuffix), originScope);
return NS_OK;
}
// Clear everything (including so and pb data) from caches and database
// for the gived domain and subdomains.
if (!strcmp(aTopic, "browser:purge-domain-data")) {
// Convert the domain name to the ACE format
nsAutoCString aceDomain;
nsCOMPtr<nsIIDNService> converter = do_GetService(NS_IDNSERVICE_CONTRACTID);
if (converter) {
rv = converter->ConvertUTF8toACE(NS_ConvertUTF16toUTF8(aData), aceDomain);
NS_ENSURE_SUCCESS(rv, rv);
} else {
// In case the IDN service is not available, this is the best we can come up with!
rv = NS_EscapeURL(NS_ConvertUTF16toUTF8(aData),
esc_OnlyNonASCII | esc_AlwaysCopy,
aceDomain,
fallible);
NS_ENSURE_SUCCESS(rv, rv);
}
nsAutoCString originScope;
rv = CreateReversedDomain(aceDomain, originScope);
NS_ENSURE_SUCCESS(rv, rv);
DOMStorageDBBridge* db = DOMStorageCache::StartDatabase();
NS_ENSURE_TRUE(db, NS_ERROR_FAILURE);
db->AsyncClearMatchingOrigin(originScope);
Notify("domain-data-cleared", EmptyString(), originScope);
return NS_OK;
}
// Clear all private-browsing caches
if (!strcmp(aTopic, "last-pb-context-exited")) {
Notify("private-browsing-data-cleared");
return NS_OK;
}
// Clear data of the origins whose prefixes will match the suffix.
if (!strcmp(aTopic, "clear-origin-attributes-data")) {
OriginAttributesPattern pattern;
if (!pattern.Init(nsDependentString(aData))) {
NS_ERROR("Cannot parse origin attributes pattern");
return NS_ERROR_FAILURE;
}
DOMStorageDBBridge* db = DOMStorageCache::StartDatabase();
NS_ENSURE_TRUE(db, NS_ERROR_FAILURE);
db->AsyncClearMatchingOriginAttributes(pattern);
Notify("origin-attr-pattern-cleared", nsDependentString(aData));
return NS_OK;
}
if (!strcmp(aTopic, "profile-after-change")) {
Notify("profile-change");
return NS_OK;
}
if (!strcmp(aTopic, "profile-before-change") ||
!strcmp(aTopic, "xpcom-shutdown")) {
rv = DOMStorageCache::StopDatabase();
if (NS_FAILED(rv)) {
NS_WARNING("Error while stopping DOMStorage DB background thread");
}
return NS_OK;
}
if (!strcmp(aTopic, "disk-space-watcher")) {
if (NS_LITERAL_STRING("full").Equals(aData)) {
Notify("low-disk-space");
} else if (NS_LITERAL_STRING("free").Equals(aData)) {
Notify("no-low-disk-space");
}
return NS_OK;
}
#ifdef DOM_STORAGE_TESTS
if (!strcmp(aTopic, "domstorage-test-flush-force")) {
DOMStorageDBBridge* db = DOMStorageCache::GetDatabase();
if (db) {
db->AsyncFlush();
}
return NS_OK;
}
if (!strcmp(aTopic, "domstorage-test-flushed")) {
// Only used to propagate to IPC children
Notify("test-flushed");
return NS_OK;
}
if (!strcmp(aTopic, "domstorage-test-reload")) {
Notify("test-reload");
return NS_OK;
}
#endif
NS_ERROR("Unexpected topic");
return NS_ERROR_UNEXPECTED;
}
