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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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/. */
// See also: docshell/base/nsAboutRedirector.cpp
#include "AboutRedirector.h"
#include "nsNetUtil.h"
#include "nsIScriptSecurityManager.h"
#include "mozilla/ArrayUtils.h"
#include "nsDOMString.h"
namespace mozilla {
namespace browser {
NS_IMPL_ISUPPORTS(AboutRedirector, nsIAboutModule)
struct RedirEntry {
const char* id;
const char* url;
uint32_t flags;
const char* idbOriginPostfix;
};
/*
Entries which do not have URI_SAFE_FOR_UNTRUSTED_CONTENT will run with chrome
privileges. This is potentially dangerous. Please use
URI_SAFE_FOR_UNTRUSTED_CONTENT in the third argument to each map item below
unless your about: page really needs chrome privileges. Security review is
required before adding new map entries without
URI_SAFE_FOR_UNTRUSTED_CONTENT.
*/
static RedirEntry kRedirMap[] = {
{ "certerror", "chrome://browser/content/certerror/aboutCertError.xhtml",
nsIAboutModule::URI_SAFE_FOR_UNTRUSTED_CONTENT |
nsIAboutModule::ALLOW_SCRIPT |
nsIAboutModule::HIDE_FROM_ABOUTABOUT },
{ "feeds", "chrome://browser/content/feeds/subscribe.xhtml",
nsIAboutModule::URI_SAFE_FOR_UNTRUSTED_CONTENT |
nsIAboutModule::ALLOW_SCRIPT |
nsIAboutModule::HIDE_FROM_ABOUTABOUT },
{ "privatebrowsing", "chrome://browser/content/aboutPrivateBrowsing.xhtml",
nsIAboutModule::ALLOW_SCRIPT },
{ "rights",
#ifdef MOZ_OFFICIAL_BRANDING
"chrome://global/content/aboutRights.xhtml",
#else
"chrome://global/content/aboutRights-unbranded.xhtml",
#endif
nsIAboutModule::URI_SAFE_FOR_UNTRUSTED_CONTENT |
nsIAboutModule::MAKE_LINKABLE |
nsIAboutModule::ALLOW_SCRIPT },
{ "palemoon", "chrome://global/content/palemoon.xhtml",
nsIAboutModule::URI_SAFE_FOR_UNTRUSTED_CONTENT |
nsIAboutModule::HIDE_FROM_ABOUTABOUT },
{ "logopage", "chrome://global/content/logopage.xhtml",
nsIAboutModule::URI_SAFE_FOR_UNTRUSTED_CONTENT |
nsIAboutModule::HIDE_FROM_ABOUTABOUT },
{ "robots", "chrome://browser/content/aboutRobots.xhtml",
nsIAboutModule::URI_SAFE_FOR_UNTRUSTED_CONTENT |
nsIAboutModule::ALLOW_SCRIPT },
{ "sessionrestore", "chrome://browser/content/aboutSessionRestore.xhtml",
nsIAboutModule::ALLOW_SCRIPT },
#ifdef MOZ_SERVICES_SYNC
{ "sync-progress", "chrome://browser/content/sync/progress.xhtml",
nsIAboutModule::ALLOW_SCRIPT },
{ "sync-tabs", "chrome://browser/content/sync/aboutSyncTabs.xul",
nsIAboutModule::ALLOW_SCRIPT },
#endif
{ "home", "chrome://browser/content/abouthome/aboutHome.xhtml",
nsIAboutModule::URI_SAFE_FOR_UNTRUSTED_CONTENT |
nsIAboutModule::MAKE_LINKABLE |
nsIAboutModule::ALLOW_SCRIPT },
{ "newtab", "chrome://browser/content/newtab/newTab.xul",
nsIAboutModule::ALLOW_SCRIPT },
{ "permissions", "chrome://browser/content/preferences/aboutPermissions.xul",
nsIAboutModule::ALLOW_SCRIPT },
{ "downloads", "chrome://browser/content/downloads/contentAreaDownloadsView.xul",
nsIAboutModule::ALLOW_SCRIPT },
};
static const int kRedirTotal = ArrayLength(kRedirMap);
static nsAutoCString
GetAboutModuleName(nsIURI *aURI)
{
nsAutoCString path;
aURI->GetPath(path);
int32_t f = path.FindChar('#');
if (f >= 0)
path.SetLength(f);
f = path.FindChar('?');
if (f >= 0)
path.SetLength(f);
ToLowerCase(path);
return path;
}
NS_IMETHODIMP
AboutRedirector::NewChannel(nsIURI* aURI,
nsILoadInfo* aLoadInfo,
nsIChannel** result)
{
NS_ENSURE_ARG_POINTER(aURI);
NS_ASSERTION(result, "must not be null");
nsAutoCString path = GetAboutModuleName(aURI);
nsresult rv;
nsCOMPtr<nsIIOService> ioService = do_GetIOService(&rv);
NS_ENSURE_SUCCESS(rv, rv);
for (int i = 0; i < kRedirTotal; i++) {
if (!strcmp(path.get(), kRedirMap[i].id)) {
nsCOMPtr<nsIChannel> tempChannel;
rv = ioService->NewChannel(nsDependentCString(kRedirMap[i].url),
nullptr, nullptr, getter_AddRefs(tempChannel));
NS_ENSURE_SUCCESS(rv, rv);
tempChannel->SetOriginalURI(aURI);
NS_ADDREF(*result = tempChannel);
return rv;
}
}
return NS_ERROR_ILLEGAL_VALUE;
}
NS_IMETHODIMP
AboutRedirector::GetURIFlags(nsIURI *aURI, uint32_t *result)
{
NS_ENSURE_ARG_POINTER(aURI);
nsAutoCString name = GetAboutModuleName(aURI);
for (int i = 0; i < kRedirTotal; i++) {
if (name.Equals(kRedirMap[i].id)) {
*result = kRedirMap[i].flags;
return NS_OK;
}
}
return NS_ERROR_ILLEGAL_VALUE;
}
NS_IMETHODIMP
AboutRedirector::GetIndexedDBOriginPostfix(nsIURI *aURI, nsAString &result)
{
NS_ENSURE_ARG_POINTER(aURI);
nsAutoCString name = GetAboutModuleName(aURI);
for (int i = 0; i < kRedirTotal; i++) {
if (name.Equals(kRedirMap[i].id)) {
const char* postfix = kRedirMap[i].idbOriginPostfix;
if (!postfix) {
break;
}
result.AssignASCII(postfix);
return NS_OK;
}
}
SetDOMStringToNull(result);
return NS_ERROR_ILLEGAL_VALUE;
}
nsresult
AboutRedirector::Create(nsISupports *aOuter, REFNSIID aIID, void **result)
{
AboutRedirector* about = new AboutRedirector();
if (about == nullptr)
return NS_ERROR_OUT_OF_MEMORY;
NS_ADDREF(about);
nsresult rv = about->QueryInterface(aIID, result);
NS_RELEASE(about);
return rv;
}
} // namespace browser
} // namespace mozilla
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