Add m-esr52 at 52.6.0

1 files changed, 177 insertions, 0 deletions

diff --git a/netwerk/cache2/AppCacheStorage.cpp b/netwerk/cache2/AppCacheStorage.cpp
new file mode 100644
index 000000000..c550b272d
--- /dev/null
+++ b/netwerk/cache2/AppCacheStorage.cpp
@@ -0,0 +1,177 @@
+/* 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 "CacheLog.h"
+#include "AppCacheStorage.h"
+#include "CacheStorageService.h"
+
+#include "OldWrappers.h"
+
+#include "nsICacheEntryDoomCallback.h"
+
+#include "nsCacheService.h"
+#include "nsIApplicationCache.h"
+#include "nsIApplicationCacheService.h"
+#include "nsIURI.h"
+#include "nsNetCID.h"
+#include "nsServiceManagerUtils.h"
+#include "nsThreadUtils.h"
+
+namespace mozilla {
+namespace net {
+
+NS_IMPL_ISUPPORTS_INHERITED0(AppCacheStorage, CacheStorage)
+
+AppCacheStorage::AppCacheStorage(nsILoadContextInfo* aInfo,
+                                 nsIApplicationCache* aAppCache)
+: CacheStorage(aInfo, true /* disk */, false /* lookup app cache */, false /* skip size check */, false /* pin */)
+, mAppCache(aAppCache)
+{
+  MOZ_COUNT_CTOR(AppCacheStorage);
+}
+
+AppCacheStorage::~AppCacheStorage()
+{
+  ProxyReleaseMainThread(mAppCache);
+  MOZ_COUNT_DTOR(AppCacheStorage);
+}
+
+NS_IMETHODIMP AppCacheStorage::AsyncOpenURI(nsIURI *aURI,
+                                            const nsACString & aIdExtension,
+                                            uint32_t aFlags,
+                                            nsICacheEntryOpenCallback *aCallback)
+{
+  if (!CacheStorageService::Self())
+    return NS_ERROR_NOT_INITIALIZED;
+
+  NS_ENSURE_ARG(aURI);
+  NS_ENSURE_ARG(aCallback);
+
+  nsresult rv;
+
+  nsCOMPtr<nsIApplicationCache> appCache = mAppCache;
+
+  if (!appCache) {
+    rv = ChooseApplicationCache(aURI, getter_AddRefs(appCache));
+    NS_ENSURE_SUCCESS(rv, rv);
+  }
+
+  if (!appCache) {
+    LOG(("AppCacheStorage::AsyncOpenURI entry not found in any appcache, giving up"));
+    aCallback->OnCacheEntryAvailable(nullptr, false, nullptr, NS_ERROR_CACHE_KEY_NOT_FOUND);
+    return NS_OK;
+  }
+
+  nsCOMPtr<nsIURI> noRefURI;
+  rv = aURI->CloneIgnoringRef(getter_AddRefs(noRefURI));
+  NS_ENSURE_SUCCESS(rv, rv);
+
+  nsAutoCString cacheKey;
+  rv = noRefURI->GetAsciiSpec(cacheKey);
+  NS_ENSURE_SUCCESS(rv, rv);
+
+  // This is the only way how to recognize appcache data by the anonymous
+  // flag.  There is no way to switch to e.g. a different session, because
+  // there is just a single session for an appcache version (identified
+  // by the client id).
+  if (LoadInfo()->IsAnonymous()) {
+    cacheKey = NS_LITERAL_CSTRING("anon&") + cacheKey;
+  }
+
+  nsAutoCString scheme;
+  rv = noRefURI->GetScheme(scheme);
+  NS_ENSURE_SUCCESS(rv, rv);
+
+  RefPtr<_OldCacheLoad> appCacheLoad =
+    new _OldCacheLoad(scheme, cacheKey, aCallback, appCache,
+                      LoadInfo(), WriteToDisk(), aFlags);
+  rv = appCacheLoad->Start();
+  NS_ENSURE_SUCCESS(rv, rv);
+
+  return NS_OK;
+}
+
+NS_IMETHODIMP AppCacheStorage::OpenTruncate(nsIURI *aURI, const nsACString & aIdExtension,
+                                            nsICacheEntry **aCacheEntry)
+{
+  return NS_ERROR_NOT_IMPLEMENTED;
+}
+
+NS_IMETHODIMP AppCacheStorage::Exists(nsIURI *aURI, const nsACString & aIdExtension,
+                                      bool *aResult)
+{
+  *aResult = false;
+  return NS_ERROR_NOT_AVAILABLE;
+}
+
+NS_IMETHODIMP AppCacheStorage::AsyncDoomURI(nsIURI *aURI, const nsACString & aIdExtension,
+                                            nsICacheEntryDoomCallback* aCallback)
+{
+  if (!CacheStorageService::Self())
+    return NS_ERROR_NOT_INITIALIZED;
+
+  if (!mAppCache) {
+    return NS_ERROR_NOT_AVAILABLE;
+  }
+
+  RefPtr<_OldStorage> old = new _OldStorage(
+    LoadInfo(), WriteToDisk(), LookupAppCache(), true, mAppCache);
+  return old->AsyncDoomURI(aURI, aIdExtension, aCallback);
+}
+
+NS_IMETHODIMP AppCacheStorage::AsyncEvictStorage(nsICacheEntryDoomCallback* aCallback)
+{
+  if (!CacheStorageService::Self())
+    return NS_ERROR_NOT_INITIALIZED;
+
+  nsresult rv;
+
+  if (!mAppCache) {
+    // Discard everything under this storage context
+    nsCOMPtr<nsIApplicationCacheService> appCacheService =
+      do_GetService(NS_APPLICATIONCACHESERVICE_CONTRACTID, &rv);
+    NS_ENSURE_SUCCESS(rv, rv);
+
+    rv = appCacheService->Evict(LoadInfo());
+    NS_ENSURE_SUCCESS(rv, rv);
+  } else {
+    // Discard the group
+    RefPtr<_OldStorage> old = new _OldStorage(
+      LoadInfo(), WriteToDisk(), LookupAppCache(), true, mAppCache);
+    rv = old->AsyncEvictStorage(aCallback);
+    NS_ENSURE_SUCCESS(rv, rv);
+
+    return NS_OK;
+  }
+
+  if (aCallback)
+    aCallback->OnCacheEntryDoomed(NS_OK);
+
+  return NS_OK;
+}
+
+NS_IMETHODIMP AppCacheStorage::AsyncVisitStorage(nsICacheStorageVisitor* aVisitor,
+                                                 bool aVisitEntries)
+{
+  if (!CacheStorageService::Self())
+    return NS_ERROR_NOT_INITIALIZED;
+
+  LOG(("AppCacheStorage::AsyncVisitStorage [this=%p, cb=%p]", this, aVisitor));
+
+  nsresult rv;
+
+  nsCOMPtr<nsICacheService> serv =
+    do_GetService(NS_CACHESERVICE_CONTRACTID, &rv);
+  NS_ENSURE_SUCCESS(rv, rv);
+
+  RefPtr<_OldVisitCallbackWrapper> cb = new _OldVisitCallbackWrapper(
+    "offline", aVisitor, aVisitEntries, LoadInfo());
+  rv = nsCacheService::GlobalInstance()->VisitEntriesInternal(cb);
+  NS_ENSURE_SUCCESS(rv, rv);
+
+  return NS_OK;
+}
+
+} // namespace net
+} // namespace mozilla