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/*
* Copyright (C) 2001 Philip Langdale
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "ExternalProtocolHandlers.h"
#include "nsCOMPtr.h"
#include "nsIComponentManager.h"
#include "nsIURI.h"
#include "nsCOMPtr.h"
#include "nsIChannel.h"
#include "nsIStorageStream.h"
#include "nsIInputStream.h"
#include "nsIOutputStream.h"
#include "nsNetUtil.h"
#include "nsIExternalProtocolService.h"
#include "nsCExternalHandlerService.h"
NS_IMPL_ISUPPORTS2 (GIRCProtocolHandler, nsIProtocolHandler, nsIContentHandler)
NS_IMPL_ISUPPORTS2 (GFtpProtocolHandler, nsIProtocolHandler, nsIContentHandler)
NS_IMPL_ISUPPORTS2 (GMailtoProtocolHandler, nsIProtocolHandler, nsIContentHandler)
NS_IMPL_ISUPPORTS2 (GNewsProtocolHandler, nsIProtocolHandler, nsIContentHandler)
static NS_DEFINE_CID(kSimpleURICID, NS_SIMPLEURI_CID);
/* Implementation file */
NS_IMPL_ISUPPORTS1 (GBaseProtocolHandler, nsIProtocolHandler)
GBaseProtocolHandler::GBaseProtocolHandler(const char *aScheme)
{
NS_INIT_ISUPPORTS();
/* member initializers and constructor code */
mScheme.Assign(aScheme);
}
GBaseProtocolHandler::~GBaseProtocolHandler()
{
/* destructor code */
}
/* readonly attribute string scheme; */
NS_IMETHODIMP GBaseProtocolHandler::GetScheme(nsACString &aScheme)
{
aScheme = mScheme;
return NS_OK;
}
/* readonly attribute long defaultPort; */
NS_IMETHODIMP GBaseProtocolHandler::GetDefaultPort(PRInt32 *aDefaultPort)
{
if (aDefaultPort)
*aDefaultPort = -1;
else
return NS_ERROR_NULL_POINTER;
return NS_OK;
}
/* readonly attribute short protocolFlags; */
NS_IMETHODIMP GBaseProtocolHandler::GetProtocolFlags(PRUint32 *aProtocolFlags)
{
if (aProtocolFlags)
*aProtocolFlags = nsIProtocolHandler::URI_STD;
else
return NS_ERROR_NULL_POINTER;
return NS_OK;
}
/* nsIURI newURI (in string aSpec, in nsIURI aBaseURI); */
NS_IMETHODIMP GBaseProtocolHandler::NewURI(const nsACString &aSpec,
const char *aOriginCharset, nsIURI *aBaseURI,
nsIURI **_retval)
{
nsresult rv = NS_OK;
nsCOMPtr <nsIURI> newUri;
rv = nsComponentManager::CreateInstance(kSimpleURICID, nsnull,
NS_GET_IID(nsIURI),
getter_AddRefs(newUri));
if (NS_SUCCEEDED(rv))
{
newUri->SetSpec(aSpec);
rv = newUri->QueryInterface(NS_GET_IID(nsIURI),
(void **) _retval);
}
return rv;
}
/* nsIChannel newChannel (in nsIURI aURI); */
NS_IMETHODIMP GBaseProtocolHandler::NewChannel(nsIURI *aURI,
nsIChannel **_retval)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
/* boolean allowPort (in long port, in string scheme); */
NS_IMETHODIMP GBaseProtocolHandler::AllowPort(PRInt32 port, const char *scheme,
PRBool *_retval)
{
*_retval = PR_FALSE;
return NS_OK;
}
/* Implementation file */
NS_IMPL_ISUPPORTS2 (GBaseProtocolContentHandler, nsIProtocolHandler, nsIContentHandler)
GBaseProtocolContentHandler::GBaseProtocolContentHandler(const char *aScheme) :
GBaseProtocolHandler(aScheme)
{
NS_INIT_ISUPPORTS();
/* member initializers and constructor code */
mMimeType = NS_LITERAL_CSTRING("application-x-gnome-") + mScheme;
}
GBaseProtocolContentHandler::~GBaseProtocolContentHandler()
{
/* destructor code */
}
/* nsIChannel newChannel (in nsIURI aURI); */
NS_IMETHODIMP GBaseProtocolContentHandler::NewChannel(nsIURI *aURI,
nsIChannel **_retval)
{
nsCOMPtr<nsIStorageStream> sStream;
nsresult rv = NS_NewStorageStream(1, 16, getter_AddRefs(sStream));
if (NS_FAILED(rv)) return rv;
nsCOMPtr<nsIOutputStream> oStream;
rv = sStream->GetOutputStream(0, getter_AddRefs(oStream));
PRUint32 bytes;
oStream->Write("Dummy stream\0", 13, &bytes);
nsCOMPtr<nsIInputStream> iStream;
rv = sStream->NewInputStream(0, getter_AddRefs(iStream));
if (NS_FAILED(rv)) return rv;
nsCOMPtr<nsIChannel> channel;
rv = NS_NewInputStreamChannel(getter_AddRefs(channel), aURI,
iStream, mMimeType, NS_LITERAL_CSTRING(""));
if (NS_FAILED(rv)) return rv;
NS_IF_ADDREF (*_retval = channel);
return rv;
}
NS_IMETHODIMP GBaseProtocolContentHandler::HandleContent (
const char * aContentType,
const char * aCommand,
nsISupports * aWindowContext,
nsIRequest *aRequest)
{
nsresult rv = NS_OK;
if (!aRequest)
return NS_ERROR_NULL_POINTER;
// First of all, get the content type and make sure it is a
// content type we know how to handle!
if (mMimeType.Equals(aContentType))
{
nsCOMPtr<nsIChannel> channel = do_QueryInterface(aRequest);
if(!channel) return NS_ERROR_FAILURE;
nsCOMPtr<nsIURI> uri;
rv = channel->GetURI(getter_AddRefs(uri));
if (NS_FAILED(rv)) return rv;
aRequest->Cancel(NS_BINDING_ABORTED);
if (uri)
{
nsCOMPtr<nsIExternalProtocolService> ps =
do_GetService (NS_EXTERNALPROTOCOLSERVICE_CONTRACTID, &rv);
if (NS_FAILED(rv) || !ps) return NS_ERROR_FAILURE;
ps->LoadUrl (uri);
}
}
return rv;
}
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