189 lines
4.5 KiB
C++
189 lines
4.5 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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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 "nsAutoPtr.h"
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#include "nsJARProtocolHandler.h"
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#include "nsIIOService.h"
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#include "nsCRT.h"
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#include "nsIComponentManager.h"
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#include "nsIServiceManager.h"
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#include "nsJARURI.h"
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#include "nsIURL.h"
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#include "nsJARChannel.h"
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#include "nsXPIDLString.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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nsJARProtocolHandler *gJarHandler = nullptr;
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nsJARProtocolHandler::nsJARProtocolHandler()
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{
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MOZ_ASSERT(NS_IsMainThread());
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}
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nsJARProtocolHandler::~nsJARProtocolHandler()
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{
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MOZ_ASSERT(gJarHandler == this);
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gJarHandler = nullptr;
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}
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nsresult
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nsJARProtocolHandler::Init()
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{
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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 *
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nsJARProtocolHandler::MimeService()
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{
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if (!mMimeService)
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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,
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nsIJARProtocolHandler,
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nsIProtocolHandler,
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nsISupportsWeakReference)
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nsJARProtocolHandler*
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nsJARProtocolHandler::GetSingleton()
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{
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if (!gJarHandler) {
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gJarHandler = new nsJARProtocolHandler();
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if (!gJarHandler)
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return nullptr;
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NS_ADDREF(gJarHandler);
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nsresult rv = gJarHandler->Init();
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if (NS_FAILED(rv)) {
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NS_RELEASE(gJarHandler);
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return nullptr;
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}
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}
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NS_ADDREF(gJarHandler);
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return gJarHandler;
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}
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NS_IMETHODIMP
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nsJARProtocolHandler::GetJARCache(nsIZipReaderCache* *result)
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{
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*result = mJARCache;
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NS_ADDREF(*result);
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return NS_OK;
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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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{
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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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{
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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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{
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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::NewURI(const nsACString &aSpec,
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const char *aCharset,
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nsIURI *aBaseURI,
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nsIURI **result)
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{
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nsresult rv = NS_OK;
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RefPtr<nsJARURI> jarURI = new nsJARURI();
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if (!jarURI)
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return NS_ERROR_OUT_OF_MEMORY;
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rv = jarURI->Init(aCharset);
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NS_ENSURE_SUCCESS(rv, rv);
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rv = jarURI->SetSpecWithBase(aSpec, aBaseURI);
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if (NS_FAILED(rv))
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return rv;
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NS_ADDREF(*result = jarURI);
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return rv;
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}
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NS_IMETHODIMP
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nsJARProtocolHandler::NewChannel2(nsIURI* uri,
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nsILoadInfo* aLoadInfo,
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nsIChannel** result)
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{
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nsJARChannel *chan = new nsJARChannel();
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if (!chan)
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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::NewChannel(nsIURI *uri, nsIChannel **result)
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{
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return NewChannel2(uri, nullptr, result);
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}
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NS_IMETHODIMP
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nsJARProtocolHandler::AllowPort(int32_t port, const char *scheme, bool *_retval)
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{
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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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