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-rw-r--r--browser/components/about/AboutRedirector.cpp235
-rw-r--r--browser/components/about/AboutRedirector.h32
-rw-r--r--browser/components/about/moz.build19
3 files changed, 286 insertions, 0 deletions
diff --git a/browser/components/about/AboutRedirector.cpp b/browser/components/about/AboutRedirector.cpp
new file mode 100644
index 000000000..a09932d95
--- /dev/null
+++ b/browser/components/about/AboutRedirector.cpp
@@ -0,0 +1,235 @@
+/* -*- 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 "nsIAboutNewTabService.h"
+#include "nsIChannel.h"
+#include "nsIURI.h"
+#include "nsIScriptSecurityManager.h"
+#include "nsIProtocolHandler.h"
+#include "mozilla/ArrayUtils.h"
+#include "nsServiceManagerUtils.h"
+
+namespace mozilla {
+namespace browser {
+
+NS_IMPL_ISUPPORTS(AboutRedirector, nsIAboutModule)
+
+struct RedirEntry {
+ const char* id;
+ const char* url;
+ uint32_t flags;
+};
+
+/*
+ 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[] = {
+ { "blocked", "chrome://browser/content/blockedSite.xhtml",
+ nsIAboutModule::URI_SAFE_FOR_UNTRUSTED_CONTENT |
+ nsIAboutModule::URI_CAN_LOAD_IN_CHILD |
+ nsIAboutModule::ALLOW_SCRIPT |
+ nsIAboutModule::HIDE_FROM_ABOUTABOUT },
+ { "certerror", "chrome://browser/content/aboutNetError.xhtml",
+ nsIAboutModule::URI_SAFE_FOR_UNTRUSTED_CONTENT |
+ nsIAboutModule::URI_CAN_LOAD_IN_CHILD |
+ nsIAboutModule::ALLOW_SCRIPT |
+ nsIAboutModule::HIDE_FROM_ABOUTABOUT },
+ { "socialerror", "chrome://browser/content/aboutSocialError.xhtml",
+ nsIAboutModule::ALLOW_SCRIPT |
+ nsIAboutModule::HIDE_FROM_ABOUTABOUT },
+ { "providerdirectory", "chrome://browser/content/aboutProviderDirectory.xhtml",
+ nsIAboutModule::ALLOW_SCRIPT |
+ nsIAboutModule::HIDE_FROM_ABOUTABOUT },
+ { "tabcrashed", "chrome://browser/content/aboutTabCrashed.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::URI_MUST_LOAD_IN_CHILD |
+ nsIAboutModule::ALLOW_SCRIPT },
+ { "rights",
+ "chrome://global/content/aboutRights.xhtml",
+ nsIAboutModule::URI_SAFE_FOR_UNTRUSTED_CONTENT |
+ nsIAboutModule::MAKE_LINKABLE |
+ nsIAboutModule::ALLOW_SCRIPT },
+ { "robots", "chrome://browser/content/aboutRobots.xhtml",
+ nsIAboutModule::URI_SAFE_FOR_UNTRUSTED_CONTENT |
+ nsIAboutModule::ALLOW_SCRIPT },
+ { "searchreset", "chrome://browser/content/search/searchReset.xhtml",
+ nsIAboutModule::ALLOW_SCRIPT |
+ nsIAboutModule::HIDE_FROM_ABOUTABOUT },
+ { "sessionrestore", "chrome://browser/content/aboutSessionRestore.xhtml",
+ nsIAboutModule::ALLOW_SCRIPT },
+ { "welcomeback", "chrome://browser/content/aboutWelcomeBack.xhtml",
+ nsIAboutModule::ALLOW_SCRIPT },
+ { "sync-tabs", "chrome://browser/content/sync/aboutSyncTabs.xul",
+ nsIAboutModule::ALLOW_SCRIPT },
+ // Linkable because of indexeddb use (bug 1228118)
+ { "home", "chrome://browser/content/abouthome/aboutHome.xhtml",
+ nsIAboutModule::URI_SAFE_FOR_UNTRUSTED_CONTENT |
+ nsIAboutModule::URI_MUST_LOAD_IN_CHILD |
+ nsIAboutModule::ALLOW_SCRIPT |
+ nsIAboutModule::MAKE_LINKABLE |
+ nsIAboutModule::ENABLE_INDEXED_DB },
+ // the newtab's actual URL will be determined when the channel is created
+ { "newtab", "about:blank",
+ nsIAboutModule::ALLOW_SCRIPT },
+ { "preferences", "chrome://browser/content/preferences/in-content/preferences.xul",
+ nsIAboutModule::ALLOW_SCRIPT },
+ { "downloads", "chrome://browser/content/downloads/contentAreaDownloadsView.xul",
+ nsIAboutModule::ALLOW_SCRIPT },
+#ifdef MOZ_SERVICES_HEALTHREPORT
+ { "healthreport", "chrome://browser/content/abouthealthreport/abouthealth.xhtml",
+ nsIAboutModule::ALLOW_SCRIPT },
+#endif
+ { "accounts", "chrome://browser/content/aboutaccounts/aboutaccounts.xhtml",
+ nsIAboutModule::ALLOW_SCRIPT },
+ { "reader", "chrome://global/content/reader/aboutReader.html",
+ nsIAboutModule::URI_SAFE_FOR_UNTRUSTED_CONTENT |
+ nsIAboutModule::ALLOW_SCRIPT |
+ nsIAboutModule::URI_MUST_LOAD_IN_CHILD |
+ nsIAboutModule::HIDE_FROM_ABOUTABOUT },
+};
+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)) {
+ nsAutoCString url;
+
+ if (path.EqualsLiteral("newtab")) {
+ // let the aboutNewTabService decide where to redirect
+ nsCOMPtr<nsIAboutNewTabService> aboutNewTabService =
+ do_GetService("@mozilla.org/browser/aboutnewtab-service;1", &rv);
+ NS_ENSURE_SUCCESS(rv, rv);
+ rv = aboutNewTabService->GetDefaultURL(url);
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ // if about:newtab points to an external resource we have to make sure
+ // the content is signed and trusted
+ bool remoteEnabled = false;
+ rv = aboutNewTabService->GetRemoteEnabled(&remoteEnabled);
+ NS_ENSURE_SUCCESS(rv, rv);
+ if (remoteEnabled) {
+ NS_ENSURE_ARG_POINTER(aLoadInfo);
+ aLoadInfo->SetVerifySignedContent(true);
+ }
+ }
+ // fall back to the specified url in the map
+ if (url.IsEmpty()) {
+ url.AssignASCII(kRedirMap[i].url);
+ }
+
+ nsCOMPtr<nsIChannel> tempChannel;
+ nsCOMPtr<nsIURI> tempURI;
+ rv = NS_NewURI(getter_AddRefs(tempURI), url);
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ // If tempURI links to an external URI (i.e. something other than
+ // chrome:// or resource://) then set the LOAD_REPLACE flag on the
+ // channel which forces the channel owner to reflect the displayed
+ // URL rather then being the systemPrincipal.
+ bool isUIResource = false;
+ rv = NS_URIChainHasFlags(tempURI, nsIProtocolHandler::URI_IS_UI_RESOURCE,
+ &isUIResource);
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ nsLoadFlags loadFlags = isUIResource
+ ? static_cast<nsLoadFlags>(nsIChannel::LOAD_NORMAL)
+ : static_cast<nsLoadFlags>(nsIChannel::LOAD_REPLACE);
+
+ rv = NS_NewChannelInternal(getter_AddRefs(tempChannel),
+ tempURI,
+ aLoadInfo,
+ nullptr, // aLoadGroup
+ nullptr, // aCallbacks
+ loadFlags);
+ 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;
+}
+
+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
diff --git a/browser/components/about/AboutRedirector.h b/browser/components/about/AboutRedirector.h
new file mode 100644
index 000000000..8feeb7491
--- /dev/null
+++ b/browser/components/about/AboutRedirector.h
@@ -0,0 +1,32 @@
+/* -*- 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/. */
+
+#ifndef AboutRedirector_h__
+#define AboutRedirector_h__
+
+#include "nsIAboutModule.h"
+
+namespace mozilla {
+namespace browser {
+
+class AboutRedirector : public nsIAboutModule
+{
+public:
+ NS_DECL_ISUPPORTS
+ NS_DECL_NSIABOUTMODULE
+
+ AboutRedirector() {}
+
+ static nsresult
+ Create(nsISupports *aOuter, REFNSIID aIID, void **aResult);
+
+protected:
+ virtual ~AboutRedirector() {}
+};
+
+} // namespace browser
+} // namespace mozilla
+
+#endif // AboutRedirector_h__
diff --git a/browser/components/about/moz.build b/browser/components/about/moz.build
new file mode 100644
index 000000000..f1559c2b9
--- /dev/null
+++ b/browser/components/about/moz.build
@@ -0,0 +1,19 @@
+# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
+# vim: set filetype=python:
+# 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/.
+
+EXPORTS.mozilla.browser += [
+ 'AboutRedirector.h',
+]
+
+SOURCES += [
+ 'AboutRedirector.cpp',
+]
+
+FINAL_LIBRARY = 'browsercomps'
+
+LOCAL_INCLUDES += [
+ '../build',
+]
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