зеркало из https://github.com/mozilla/gecko-dev.git
120 строки
3.2 KiB
C++
120 строки
3.2 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/ClearOnShutdown.h"
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#include "nsAutoPtr.h"
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#include "nsJARProtocolHandler.h"
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#include "nsCRT.h"
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#include "nsJARURI.h"
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#include "nsJARChannel.h"
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#include "nsString.h"
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#include "nsNetCID.h"
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#include "nsIMIMEService.h"
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#include "nsMimeTypes.h"
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#include "nsThreadUtils.h"
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static NS_DEFINE_CID(kZipReaderCacheCID, NS_ZIPREADERCACHE_CID);
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#define NS_JAR_CACHE_SIZE 32
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//-----------------------------------------------------------------------------
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StaticRefPtr<nsJARProtocolHandler> gJarHandler;
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nsJARProtocolHandler::nsJARProtocolHandler() { MOZ_ASSERT(NS_IsMainThread()); }
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nsJARProtocolHandler::~nsJARProtocolHandler() {}
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nsresult nsJARProtocolHandler::Init() {
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nsresult rv;
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mJARCache = do_CreateInstance(kZipReaderCacheCID, &rv);
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if (NS_FAILED(rv)) return rv;
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rv = mJARCache->Init(NS_JAR_CACHE_SIZE);
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return rv;
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}
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nsIMIMEService* nsJARProtocolHandler::MimeService() {
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if (!mMimeService) mMimeService = do_GetService("@mozilla.org/mime;1");
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return mMimeService.get();
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}
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NS_IMPL_ISUPPORTS(nsJARProtocolHandler, nsIProtocolHandler,
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nsISupportsWeakReference)
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already_AddRefed<nsJARProtocolHandler> nsJARProtocolHandler::GetSingleton() {
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if (!gJarHandler) {
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gJarHandler = new nsJARProtocolHandler();
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if (NS_SUCCEEDED(gJarHandler->Init())) {
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ClearOnShutdown(&gJarHandler);
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} else {
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gJarHandler = nullptr;
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}
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}
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return do_AddRef(gJarHandler);
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}
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////////////////////////////////////////////////////////////////////////////////
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// nsIProtocolHandler methods:
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NS_IMETHODIMP
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nsJARProtocolHandler::GetScheme(nsACString& result) {
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result.AssignLiteral("jar");
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return NS_OK;
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}
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NS_IMETHODIMP
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nsJARProtocolHandler::GetDefaultPort(int32_t* result) {
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*result = -1; // no port for JAR: URLs
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return NS_OK;
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}
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NS_IMETHODIMP
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nsJARProtocolHandler::GetProtocolFlags(uint32_t* result) {
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// URI_LOADABLE_BY_ANYONE, since it's our inner URI that will matter
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// anyway.
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*result = URI_NORELATIVE | URI_NOAUTH | URI_LOADABLE_BY_ANYONE;
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/* Although jar uris have their own concept of relative urls
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it is very different from the standard behaviour, so we
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have to say norelative here! */
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return NS_OK;
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}
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NS_IMETHODIMP
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nsJARProtocolHandler::NewChannel(nsIURI* uri, nsILoadInfo* aLoadInfo,
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nsIChannel** result) {
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nsJARChannel* chan = new nsJARChannel();
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if (!chan) return NS_ERROR_OUT_OF_MEMORY;
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NS_ADDREF(chan);
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nsresult rv = chan->Init(uri);
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if (NS_FAILED(rv)) {
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NS_RELEASE(chan);
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return rv;
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}
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// set the loadInfo on the new channel
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rv = chan->SetLoadInfo(aLoadInfo);
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if (NS_FAILED(rv)) {
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NS_RELEASE(chan);
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return rv;
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}
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*result = chan;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsJARProtocolHandler::AllowPort(int32_t port, const char* scheme,
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bool* _retval) {
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// don't override anything.
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*_retval = false;
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return NS_OK;
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}
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////////////////////////////////////////////////////////////////////////////////
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