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