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/* 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 "CacheStorage.h"
#include "CacheStorageService.h"
#include "CacheEntry.h"
#include "CacheObserver.h"
#include "nsICacheEntryDoomCallback.h"
#include "nsIURI.h"
#include "nsNetUtil.h"
namespace mozilla::net {
NS_IMPL_ISUPPORTS(CacheStorage, nsICacheStorage)
CacheStorage::CacheStorage(nsILoadContextInfo* aInfo, bool aAllowDisk,
bool aSkipSizeCheck, bool aPinning)
: mLoadContextInfo(aInfo ? GetLoadContextInfo(aInfo) : nullptr),
mWriteToDisk(aAllowDisk),
mSkipSizeCheck(aSkipSizeCheck),
mPinning(aPinning) {}
NS_IMETHODIMP CacheStorage::AsyncOpenURI(nsIURI* aURI,
const nsACString& aIdExtension,
uint32_t aFlags,
nsICacheEntryOpenCallback* aCallback) {
if (!CacheStorageService::Self()) return NS_ERROR_NOT_INITIALIZED;
if (MOZ_UNLIKELY(!CacheObserver::UseDiskCache()) && mWriteToDisk &&
!(aFlags & OPEN_INTERCEPTED)) {
aCallback->OnCacheEntryAvailable(nullptr, false, NS_ERROR_NOT_AVAILABLE);
return NS_OK;
}
if (MOZ_UNLIKELY(!CacheObserver::UseMemoryCache()) && !mWriteToDisk &&
!(aFlags & OPEN_INTERCEPTED)) {
aCallback->OnCacheEntryAvailable(nullptr, false, NS_ERROR_NOT_AVAILABLE);
return NS_OK;
}
NS_ENSURE_ARG(aURI);
NS_ENSURE_ARG(aCallback);
nsresult rv;
nsCOMPtr<nsIURI> noRefURI;
rv = NS_GetURIWithoutRef(aURI, getter_AddRefs(noRefURI));
NS_ENSURE_SUCCESS(rv, rv);
nsAutoCString asciiSpec;
rv = noRefURI->GetAsciiSpec(asciiSpec);
NS_ENSURE_SUCCESS(rv, rv);
RefPtr<CacheEntryHandle> entry;
rv = CacheStorageService::Self()->AddStorageEntry(
this, asciiSpec, aIdExtension, aFlags, getter_AddRefs(entry));
if (NS_FAILED(rv)) {
aCallback->OnCacheEntryAvailable(nullptr, false, rv);
return NS_OK;
}
// May invoke the callback synchronously
entry->Entry()->AsyncOpen(aCallback, aFlags);
return NS_OK;
}
NS_IMETHODIMP CacheStorage::OpenTruncate(nsIURI* aURI,
const nsACString& aIdExtension,
nsICacheEntry** aCacheEntry) {
if (!CacheStorageService::Self()) return NS_ERROR_NOT_INITIALIZED;
nsresult rv;
nsCOMPtr<nsIURI> noRefURI;
rv = NS_GetURIWithoutRef(aURI, getter_AddRefs(noRefURI));
NS_ENSURE_SUCCESS(rv, rv);
nsAutoCString asciiSpec;
rv = noRefURI->GetAsciiSpec(asciiSpec);
NS_ENSURE_SUCCESS(rv, rv);
RefPtr<CacheEntryHandle> handle;
rv = CacheStorageService::Self()->AddStorageEntry(
this, asciiSpec, aIdExtension,
nsICacheStorage::OPEN_TRUNCATE, // replace any existing one
getter_AddRefs(handle));
NS_ENSURE_SUCCESS(rv, rv);
// Just open w/o callback, similar to nsICacheEntry.recreate().
handle->Entry()->AsyncOpen(nullptr, OPEN_TRUNCATE);
// Return a write handler, consumer is supposed to fill in the entry.
RefPtr<CacheEntryHandle> writeHandle = handle->Entry()->NewWriteHandle();
writeHandle.forget(aCacheEntry);
return NS_OK;
}
NS_IMETHODIMP CacheStorage::Exists(nsIURI* aURI, const nsACString& aIdExtension,
bool* aResult) {
NS_ENSURE_ARG(aURI);
NS_ENSURE_ARG(aResult);
if (!CacheStorageService::Self()) return NS_ERROR_NOT_INITIALIZED;
nsresult rv;
nsCOMPtr<nsIURI> noRefURI;
rv = NS_GetURIWithoutRef(aURI, getter_AddRefs(noRefURI));
NS_ENSURE_SUCCESS(rv, rv);
nsAutoCString asciiSpec;
rv = noRefURI->GetAsciiSpec(asciiSpec);
NS_ENSURE_SUCCESS(rv, rv);
return CacheStorageService::Self()->CheckStorageEntry(this, asciiSpec,
aIdExtension, aResult);
}
NS_IMETHODIMP
CacheStorage::GetCacheIndexEntryAttrs(nsIURI* aURI,
const nsACString& aIdExtension,
bool* aHasAltData, uint32_t* aSizeInKB) {
NS_ENSURE_ARG(aURI);
NS_ENSURE_ARG(aHasAltData);
NS_ENSURE_ARG(aSizeInKB);
if (!CacheStorageService::Self()) {
return NS_ERROR_NOT_INITIALIZED;
}
nsresult rv;
nsCOMPtr<nsIURI> noRefURI;
rv = NS_GetURIWithoutRef(aURI, getter_AddRefs(noRefURI));
NS_ENSURE_SUCCESS(rv, rv);
nsAutoCString asciiSpec;
rv = noRefURI->GetAsciiSpec(asciiSpec);
NS_ENSURE_SUCCESS(rv, rv);
return CacheStorageService::Self()->GetCacheIndexEntryAttrs(
this, asciiSpec, aIdExtension, aHasAltData, aSizeInKB);
}
NS_IMETHODIMP CacheStorage::AsyncDoomURI(nsIURI* aURI,
const nsACString& aIdExtension,
nsICacheEntryDoomCallback* aCallback) {
if (!CacheStorageService::Self()) return NS_ERROR_NOT_INITIALIZED;
nsresult rv;
nsCOMPtr<nsIURI> noRefURI;
rv = NS_GetURIWithoutRef(aURI, getter_AddRefs(noRefURI));
NS_ENSURE_SUCCESS(rv, rv);
nsAutoCString asciiSpec;
rv = noRefURI->GetAsciiSpec(asciiSpec);
NS_ENSURE_SUCCESS(rv, rv);
rv = CacheStorageService::Self()->DoomStorageEntry(this, asciiSpec,
aIdExtension, aCallback);
NS_ENSURE_SUCCESS(rv, rv);
return NS_OK;
}
NS_IMETHODIMP CacheStorage::AsyncEvictStorage(
nsICacheEntryDoomCallback* aCallback) {
if (!CacheStorageService::Self()) return NS_ERROR_NOT_INITIALIZED;
nsresult rv =
CacheStorageService::Self()->DoomStorageEntries(this, aCallback);
NS_ENSURE_SUCCESS(rv, rv);
return NS_OK;
}
NS_IMETHODIMP CacheStorage::AsyncVisitStorage(nsICacheStorageVisitor* aVisitor,
bool aVisitEntries) {
LOG(("CacheStorage::AsyncVisitStorage [this=%p, cb=%p, disk=%d]", this,
aVisitor, (bool)mWriteToDisk));
if (!CacheStorageService::Self()) return NS_ERROR_NOT_INITIALIZED;
nsresult rv = CacheStorageService::Self()->WalkStorageEntries(
this, aVisitEntries, aVisitor);
NS_ENSURE_SUCCESS(rv, rv);
return NS_OK;
}
} // namespace mozilla::net
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