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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
*
* Copyright (C) 2003 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.
*
* $Id$
*/
/* Relevant Mozilla bug numbers:
*
* The API will change soon:
* http://bugzilla.mozilla.org/show_bug.cgi?id=191839
* "Content Policy API sucks rock"
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "EphyContentPolicy.h"
#include "eel-gconf-extensions.h"
#include "ephy-debug.h"
#include <nsCOMPtr.h>
#include <nsIURI.h>
#ifdef ALLOW_PRIVATE_STRINGS
#include <nsString.h>
#endif
#define CONF_LOCKDOWN_DISABLE_UNSAFE_PROTOCOLS "/apps/epiphany/lockdown/disable_unsafe_protocols"
#define CONF_LOCKDOWN_ADDITIONAL_SAFE_PROTOCOLS "/apps/epiphany/lockdown/additional_safe_protocols"
NS_IMPL_ISUPPORTS1(EphyContentPolicy, nsIContentPolicy)
EphyContentPolicy::EphyContentPolicy()
{
LOG ("EphyContentPolicy ctor (%p)", this)
mLocked = eel_gconf_get_boolean (CONF_LOCKDOWN_DISABLE_UNSAFE_PROTOCOLS);
mSafeProtocols = eel_gconf_get_string_list (CONF_LOCKDOWN_ADDITIONAL_SAFE_PROTOCOLS);
mSafeProtocols = g_slist_prepend (mSafeProtocols, g_strdup ("https"));
mSafeProtocols = g_slist_prepend (mSafeProtocols, g_strdup ("http"));
}
EphyContentPolicy::~EphyContentPolicy()
{
LOG ("EphyContentPolicy dtor (%p)", this)
g_slist_foreach (mSafeProtocols, (GFunc) g_free, NULL);
g_slist_free (mSafeProtocols);
}
#if MOZILLA_SNAPSHOT >= 18
NS_IMETHODIMP
EphyContentPolicy::ShouldLoad(PRUint32 aContentType,
nsIURI *aContentLocation,
nsIURI *aRequestingLocation,
nsIDOMNode *aRequestingNode,
const nsACString &aMimeTypeGuess,
nsISupports *aExtra,
PRInt16 *aDecision)
{
if (!mLocked)
{
*aDecision = nsIContentPolicy::ACCEPT;
return NS_OK;
}
NS_ENSURE_TRUE (aContentLocation, NS_ERROR_FAILURE);
nsCAutoString scheme;
aContentLocation->GetScheme (scheme);
nsCAutoString spec;
aContentLocation->GetSpec (spec);
LOG ("ShouldLoad type=%d location=%s (scheme %s)", aContentType, spec.get(), scheme.get())
*aDecision = nsIContentPolicy::REJECT_REQUEST;
/* Allow the load if the protocol is in safe list, or it's about:blank */
if (g_slist_find_custom (mSafeProtocols, scheme.get(), (GCompareFunc) strcmp)
|| spec.Equals ("about:blank"))
{
*aDecision = nsIContentPolicy::ACCEPT;
}
LOG ("Decision: %sallowing load", *aDecision >= 0 ? "" : "DIS")
return NS_OK;
}
NS_IMETHODIMP
EphyContentPolicy::ShouldProcess(PRUint32 aContentType,
nsIURI *aContentLocation,
nsIURI *aRequestingLocation,
nsIDOMNode *aRequestingNode,
const nsACString &aMimeType,
nsISupports *aExtra,
PRInt16 *aDecision)
{
*aDecision = nsIContentPolicy::ACCEPT;
return NS_OK;
}
#else
/* boolean shouldLoad (in PRInt32 contentType, in nsIURI contentLocation, in nsISupports ctxt, in nsIDOMWindow window); */
NS_IMETHODIMP EphyContentPolicy::ShouldLoad(PRInt32 contentType,
nsIURI *contentLocation,
nsISupports *ctxt,
nsIDOMWindow *window,
PRBool *_retval)
{
if (!mLocked)
{
*_retval = PR_TRUE;
return NS_OK;
}
nsCAutoString scheme;
contentLocation->GetScheme (scheme);
nsCAutoString spec;
contentLocation->GetSpec (spec);
*_retval = PR_FALSE;
/* Allow the load if the protocol is in safe list, or it's about:blank */
if (g_slist_find_custom (mSafeProtocols, scheme.get(), (GCompareFunc) strcmp)
|| spec.Equals ("about:blank"))
{
*_retval = PR_TRUE;
}
return NS_OK;
}
/* boolean shouldProcess (in PRInt32 contentType, in nsIURI documentLocation, in nsISupports ctxt, in nsIDOMWindow window); */
NS_IMETHODIMP EphyContentPolicy::ShouldProcess(PRInt32 contentType,
nsIURI *documentLocation,
nsISupports *ctxt,
nsIDOMWindow *window,
PRBool *_retval)
{
/* This is never called. */
LOG ("ShouldProcess: this is quite unexpected!")
*_retval = PR_TRUE;
return NS_OK;
}
#endif /* MOZILLA_SNAPSHOT >= 18 */
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