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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: NPL 1.1/GPL 2.0/LGPL 2.1
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* The contents of this file are subject to the Netscape Public License
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* Version 1.1 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/NPL/
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* The Original Code is mozilla.org code.
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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* Gagan Saksena (original author)
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the NPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the NPL, the GPL or the LGPL.
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* ***** END LICENSE BLOCK ***** */
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#include "nsAboutRedirector.h"
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#include "nsIIOService.h"
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#include "nsIServiceManager.h"
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#include "nsXPIDLString.h"
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#include "nsIScriptSecurityManager.h"
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static NS_DEFINE_CID(kIOServiceCID, NS_IOSERVICE_CID);
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NS_IMPL_ISUPPORTS1(nsAboutRedirector, nsIAboutModule)
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PRBool dropChromePrivs; // if PR_TRUE, the page will not have chrome privileges
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Entries with dropChromePrivs == PR_FALSE will run with chrome
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privileges. This is potentially dangerous. Please use PR_TRUE
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as the third argument to each map item below unless your about:
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page really needs chrome privileges. Security review is required
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before adding new map entries with dropChromePrivs == PR_FALSE.
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static RedirEntry kRedirMap[] = {
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{ "credits", "http://www.mozilla.org/credits/", PR_TRUE },
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{ "mozilla", "chrome://global/content/mozilla.xhtml", PR_TRUE },
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{ "plugins", "chrome://global/content/plugins.html", PR_FALSE },
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{ "config", "chrome://global/content/config.xul", PR_FALSE },
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{ "logo", "chrome://global/content/logo.gif", PR_TRUE },
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{ "buildconfig", "chrome://global/content/buildconfig.html", PR_TRUE },
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{ "about", "chrome://global/content/aboutAbout.html", PR_FALSE }
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static const int kRedirTotal = sizeof(kRedirMap)/sizeof(*kRedirMap);
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nsAboutRedirector::NewChannel(nsIURI *aURI, nsIChannel **result)
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(void)aURI->GetPath(path);
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nsCOMPtr<nsIIOService> ioService(do_GetService(kIOServiceCID, &rv));
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for (int i = 0; i< kRedirTotal; i++)
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if (!PL_strcasecmp(path.get(), kRedirMap[i].id))
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nsCOMPtr<nsIChannel> tempChannel;
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rv = ioService->NewChannel(nsDependentCString(kRedirMap[i].url),
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nsnull, nsnull, getter_AddRefs(tempChannel));
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// Keep the page from getting unnecessary privileges unless it needs them
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if (NS_SUCCEEDED(rv) && result && kRedirMap[i].dropChromePrivs)
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nsCOMPtr<nsIScriptSecurityManager> securityManager =
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do_GetService(NS_SCRIPTSECURITYMANAGER_CONTRACTID, &rv);
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nsCOMPtr<nsIPrincipal> principal;
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rv = securityManager->GetCodebasePrincipal(aURI, getter_AddRefs(principal));
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nsCOMPtr<nsISupports> owner = do_QueryInterface(principal);
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rv = tempChannel->SetOwner(owner);
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*result = tempChannel.get();
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NS_ASSERTION(0, "nsAboutRedirector called for unknown case");
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return NS_ERROR_ILLEGAL_VALUE;
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nsAboutRedirector::Create(nsISupports *aOuter, REFNSIID aIID, void **aResult)
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nsAboutRedirector* about = new nsAboutRedirector();
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return NS_ERROR_OUT_OF_MEMORY;
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nsresult rv = about->QueryInterface(aIID, aResult);
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////////////////////////////////////////////////////////////////////////////////