Add protocol handler, which I'll use for our custom error pages. Since

2005-05-26  Christian Persch  <chpe@cvs.gnome.org>

	* embed/mozilla/ContentHandler.cpp:
	* embed/mozilla/EphyProtocolHandler.cpp:
	* embed/mozilla/EphyProtocolHandler.h:
	* embed/mozilla/EphyUtils.cpp:
	* embed/mozilla/EphyUtils.h:
	* embed/mozilla/GtkNSSClientAuthDialogs.cpp:
	* embed/mozilla/GtkNSSDialogs.cpp:
	* embed/mozilla/GtkNSSKeyPairDialogs.cpp:
	* embed/mozilla/Makefile.am:
	* embed/mozilla/MozDownload.cpp:
	* embed/mozilla/MozRegisterComponents.cpp:

	Add protocol handler, which I'll use for our custom error pages.
	Since it's almost gratis, add about:epiphany back.

1 files changed, 181 insertions, 0 deletions

diff --git a/embed/mozilla/EphyProtocolHandler.cpp b/embed/mozilla/EphyProtocolHandler.cpp
new file mode 100644
index 000000000..334e261b4
--- /dev/null
+++ b/embed/mozilla/EphyProtocolHandler.cpp
@@ -0,0 +1,181 @@
+/*
+ *  Copyright (C) 2001 Matt Aubury, Philip Langdale
+ *  Copyright (C) 2004 Crispin Flowerday
+ *  Copyright (C) 2005 Christian Persch
+ *
+ *  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.
+ *
+ *  $Id$
+ */
+
+#include "mozilla-config.h"
+
+#include "config.h"
+
+#include <nsCOMPtr.h>
+#include <nsIIOService.h>
+#include <nsIServiceManager.h>
+#include <nsIURI.h>
+#include <nsIChannel.h>
+#include <nsIOutputStream.h>
+#include <nsIInputStream.h>
+#include <nsILoadGroup.h>
+#include <nsIInterfaceRequestor.h>
+#include <nsIStorageStream.h>
+#include <nsIInputStreamChannel.h>
+#include <nsIScriptSecurityManager.h>
+#include <nsNetCID.h>
+#include <nsString.h>
+#include <nsEscape.h>
+
+#include <glib/gi18n.h>
+
+#include "EphyProtocolHandler.h"
+#include "EphyUtils.h"
+
+#include "ephy-debug.h"
+
+#include <string.h>
+
+static NS_DEFINE_CID(kSimpleURICID, NS_SIMPLEURI_CID);
+static NS_DEFINE_CID(kInputStreamChannelCID, NS_INPUTSTREAMCHANNEL_CID);
+
+EphyProtocolHandler::EphyProtocolHandler (void)
+{
+	LOG ("EphyProtocolHandler ctor [%p]\n", this);
+}
+
+EphyProtocolHandler::~EphyProtocolHandler()
+{
+	LOG ("EphyProtocolHandler dtor [%p]\n", this);
+}
+
+NS_IMPL_ISUPPORTS2 (EphyProtocolHandler, nsIProtocolHandler, nsIAboutModule)
+
+/* readonly attribute string scheme; */
+NS_IMETHODIMP
+EphyProtocolHandler::GetScheme(nsACString &aScheme)
+{
+	aScheme.Assign("epiphany");
+	return NS_OK;
+}
+
+/* readonly attribute long defaultPort; */
+NS_IMETHODIMP
+EphyProtocolHandler::GetDefaultPort(PRInt32 *aDefaultPort)
+{
+	NS_ENSURE_ARG_POINTER (aDefaultPort);
+
+	*aDefaultPort = -1;
+	return NS_OK;
+}
+
+/* readonly attribute short protocolFlags; */
+NS_IMETHODIMP
+EphyProtocolHandler::GetProtocolFlags(PRUint32 *aProtocolFlags)
+{
+	NS_ENSURE_ARG_POINTER (aProtocolFlags);
+
+	*aProtocolFlags = nsIProtocolHandler::URI_NORELATIVE | nsIProtocolHandler::URI_NOAUTH;
+	return NS_OK;
+} 
+
+/* nsIURI newURI (in string aSpec, in nsIURI aBaseURI); */
+NS_IMETHODIMP
+EphyProtocolHandler::NewURI(const nsACString &aSpec,
+			    const char *aOriginCharset,
+			    nsIURI *aBaseURI,
+			    nsIURI **_retval)
+{
+	nsresult rv;
+	nsCOMPtr<nsIURI> uri (do_CreateInstance(kSimpleURICID, &rv));
+	NS_ENSURE_SUCCESS (rv, rv);
+
+	rv = uri->SetSpec (aSpec);
+	NS_ENSURE_SUCCESS (rv, rv);
+
+	NS_ADDREF(*_retval = uri);
+	return NS_OK;
+}
+
+/* nsIChannel newChannel (in nsIURI aURI); */
+NS_IMETHODIMP
+EphyProtocolHandler::NewChannel(nsIURI *aURI,
+				nsIChannel **_retval)
+{
+	NS_ENSURE_ARG(aURI);
+
+#if 0
+	PRBool isEpiphany = PR_FALSE;
+	if (NS_SUCCEEDED (aURI->SchemeIs ("epiphany", &isEpiphany)) && isEpiphany)
+	{
+		return HandleEpiphany (aURI, _retval);
+	}
+#endif
+
+	PRBool isAbout = PR_FALSE;
+	if (NS_SUCCEEDED (aURI->SchemeIs ("about", &isAbout)) && isAbout)
+	{
+		return Redirect (nsDependentCString ("file://" SHARE_DIR "/epiphany.xhtml"), _retval);
+	}
+
+	return NS_ERROR_ILLEGAL_VALUE;
+}
+
+/* boolean allowPort (in long port, in string scheme); */
+NS_IMETHODIMP 
+EphyProtocolHandler::AllowPort(PRInt32 port,
+			       const char *scheme,
+			       PRBool *_retval)
+{
+	*_retval = PR_FALSE;
+	return NS_OK;
+}
+
+/* private functions */
+
+nsresult
+EphyProtocolHandler::Redirect (const nsACString &aURL,
+			       nsIChannel **_retval)
+{
+	nsresult rv;
+	nsCOMPtr<nsIIOService> ioService;
+	rv = EphyUtils::GetIOService (getter_AddRefs (ioService));
+	NS_ENSURE_SUCCESS (rv, rv);
+
+	nsCOMPtr<nsIChannel> tempChannel;
+	rv = ioService->NewChannel(aURL, nsnull, nsnull, getter_AddRefs(tempChannel));
+	NS_ENSURE_SUCCESS (rv, rv);
+
+	nsCOMPtr<nsIURI> uri;
+	rv = ioService->NewURI(aURL, nsnull, nsnull, getter_AddRefs(uri));
+	NS_ENSURE_SUCCESS (rv, rv);
+
+	tempChannel->SetOriginalURI (uri);
+
+	nsCOMPtr<nsIScriptSecurityManager> securityManager = 
+			do_GetService(NS_SCRIPTSECURITYMANAGER_CONTRACTID, &rv);
+	NS_ENSURE_SUCCESS (rv, rv);
+
+	nsCOMPtr<nsIPrincipal> principal;
+	rv = securityManager->GetCodebasePrincipal(uri, getter_AddRefs(principal));
+	NS_ENSURE_SUCCESS (rv, rv);
+
+	nsCOMPtr<nsISupports> owner (do_QueryInterface(principal));
+	rv = tempChannel->SetOwner(owner);
+
+	NS_ADDREF(*_retval = tempChannel);
+	return rv;
+}