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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 "mozilla/ClearOnShutdown.h"
#include "nsJARProtocolHandler.h"
#include "nsComponentManagerUtils.h"
#include "nsCRT.h"
#include "nsJARURI.h"
#include "nsJARChannel.h"
#include "nsString.h"
#include "nsNetCID.h"
#include "nsIMIMEService.h"
#include "nsMimeTypes.h"
#include "nsThreadUtils.h"
static NS_DEFINE_CID(kZipReaderCacheCID, NS_ZIPREADERCACHE_CID);
#define NS_JAR_CACHE_SIZE 32
//-----------------------------------------------------------------------------
StaticRefPtr<nsJARProtocolHandler> gJarHandler;
nsJARProtocolHandler::nsJARProtocolHandler() { MOZ_ASSERT(NS_IsMainThread()); }
nsJARProtocolHandler::~nsJARProtocolHandler() {}
nsresult nsJARProtocolHandler::Init() {
nsresult rv;
mJARCache = do_CreateInstance(kZipReaderCacheCID, &rv);
if (NS_FAILED(rv)) return rv;
rv = mJARCache->Init(NS_JAR_CACHE_SIZE);
return rv;
}
nsIMIMEService* nsJARProtocolHandler::MimeService() {
if (!mMimeService) mMimeService = do_GetService("@mozilla.org/mime;1");
return mMimeService.get();
}
NS_IMPL_ISUPPORTS(nsJARProtocolHandler, nsIProtocolHandler,
nsISupportsWeakReference)
already_AddRefed<nsJARProtocolHandler> nsJARProtocolHandler::GetSingleton() {
if (!gJarHandler) {
gJarHandler = new nsJARProtocolHandler();
if (NS_SUCCEEDED(gJarHandler->Init())) {
ClearOnShutdown(&gJarHandler);
} else {
gJarHandler = nullptr;
}
}
return do_AddRef(gJarHandler);
}
////////////////////////////////////////////////////////////////////////////////
// nsIProtocolHandler methods:
NS_IMETHODIMP
nsJARProtocolHandler::GetScheme(nsACString& result) {
result.AssignLiteral("jar");
return NS_OK;
}
NS_IMETHODIMP
nsJARProtocolHandler::GetDefaultPort(int32_t* result) {
*result = -1; // no port for JAR: URLs
return NS_OK;
}
NS_IMETHODIMP
nsJARProtocolHandler::GetProtocolFlags(uint32_t* result) {
// URI_LOADABLE_BY_ANYONE, since it's our inner URI that will matter
// anyway.
*result = URI_NORELATIVE | URI_NOAUTH | URI_LOADABLE_BY_ANYONE;
/* Although jar uris have their own concept of relative urls
it is very different from the standard behaviour, so we
have to say norelative here! */
return NS_OK;
}
NS_IMETHODIMP
nsJARProtocolHandler::NewChannel(nsIURI* uri, nsILoadInfo* aLoadInfo,
nsIChannel** result) {
nsJARChannel* chan = new nsJARChannel();
if (!chan) return NS_ERROR_OUT_OF_MEMORY;
NS_ADDREF(chan);
nsresult rv = chan->Init(uri);
if (NS_FAILED(rv)) {
NS_RELEASE(chan);
return rv;
}
// set the loadInfo on the new channel
rv = chan->SetLoadInfo(aLoadInfo);
if (NS_FAILED(rv)) {
NS_RELEASE(chan);
return rv;
}
*result = chan;
return NS_OK;
}
NS_IMETHODIMP
nsJARProtocolHandler::AllowPort(int32_t port, const char* scheme,
bool* _retval) {
// don't override anything.
*_retval = false;
return NS_OK;
}
////////////////////////////////////////////////////////////////////////////////
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