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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/browser_about_handler.h"
#include <algorithm>
#include <string>
#include "base/command_line.h"
#include "base/logging.h"
#include "base/memory/singleton.h"
#include "base/string_util.h"
#include "chrome/browser/net/url_fixer_upper.h"
#include "chrome/browser/ui/browser_dialogs.h"
#include "chrome/common/chrome_switches.h"
#include "chrome/common/url_constants.h"
namespace {
// Add paths here to be included in chrome://chrome-urls (about:about).
// These paths will also be suggested by BuiltinProvider.
const char* const kPaths[] = {
chrome::kChromeUIAppCacheInternalsHost,
chrome::kChromeUIBlobInternalsHost,
chrome::kChromeUICacheHost,
chrome::kChromeUIChromeURLsHost,
chrome::kChromeUICrashesHost,
chrome::kChromeUICreditsHost,
chrome::kChromeUIDNSHost,
chrome::kChromeUIFlagsHost,
chrome::kChromeUIGpuHost,
chrome::kChromeUIHistoryHost,
chrome::kChromeUIIPCHost,
chrome::kChromeUIMediaInternalsHost,
chrome::kChromeUIMemoryHost,
#if defined(OS_ANDROID) || defined(OS_IOS)
chrome::kChromeUINetExportHost,
#endif
chrome::kChromeUINetInternalsHost,
chrome::kChromeUINetworkViewCacheHost,
chrome::kChromeUINewTabHost,
chrome::kChromeUIOmniboxHost,
chrome::kChromeUIPredictorsHost,
chrome::kChromeUIProfilerHost,
chrome::kChromeUIQuotaInternalsHost,
chrome::kChromeUISignInInternalsHost,
chrome::kChromeUIStatsHost,
chrome::kChromeUISyncInternalsHost,
chrome::kChromeUITermsHost,
chrome::kChromeUIUserActionsHost,
chrome::kChromeUIVersionHost,
#if defined(OS_ANDROID)
chrome::kChromeUIWelcomeHost,
#else
chrome::kChromeUIBookmarksHost,
chrome::kChromeUIDownloadsHost,
chrome::kChromeUIFlashHost,
chrome::kChromeUIInspectHost,
chrome::kChromeUIPluginsHost,
chrome::kChromeUISettingsHost,
chrome::kChromeUITracingHost,
chrome::kChromeUIWebRTCInternalsHost,
#endif
#if defined(OS_WIN)
chrome::kChromeUIConflictsHost,
#endif
#if defined(OS_LINUX) || defined(OS_OPENBSD)
chrome::kChromeUILinuxProxyConfigHost,
chrome::kChromeUISandboxHost,
#endif
#if defined(OS_CHROMEOS)
chrome::kChromeUIChooseMobileNetworkHost,
chrome::kChromeUICryptohomeHost,
chrome::kChromeUIDiagnosticsHost,
chrome::kChromeUIDiscardsHost,
chrome::kChromeUIDriveInternalsHost,
chrome::kChromeUIImageBurnerHost,
chrome::kChromeUIKeyboardOverlayHost,
chrome::kChromeUILoginHost,
chrome::kChromeUINetworkHost,
chrome::kChromeUIOobeHost,
chrome::kChromeUIOSCreditsHost,
chrome::kChromeUIProxySettingsHost,
chrome::kChromeUISystemInfoHost,
chrome::kChromeUITaskManagerHost,
#endif
#if !defined(DISABLE_NACL)
chrome::kChromeUINaClHost,
#endif
#if defined(ENABLE_CONFIGURATION_POLICY)
chrome::kChromeUIPolicyHost,
#endif
#if defined(ENABLE_EXTENSIONS)
chrome::kChromeUIExtensionsHost,
#endif
#if defined(ENABLE_PRINTING)
chrome::kChromeUIPrintHost,
#endif
};
} // namespace
bool WillHandleBrowserAboutURL(GURL* url,
content::BrowserContext* browser_context) {
// TODO(msw): Eliminate "about:*" constants and literals from code and tests,
// then hopefully we can remove this forced fixup.
*url = URLFixerUpper::FixupURL(url->possibly_invalid_spec(), std::string());
// Check that about: URLs are fixed up to chrome: by URLFixerUpper::FixupURL.
DCHECK((*url == GURL(chrome::kAboutBlankURL)) ||
!url->SchemeIs(chrome::kAboutScheme));
// Only handle chrome://foo/, URLFixerUpper::FixupURL translates about:foo.
if (!url->SchemeIs(chrome::kChromeUIScheme))
return false;
std::string host(url->host());
std::string path;
// Replace about with chrome-urls.
if (host == chrome::kChromeUIAboutHost)
host = chrome::kChromeUIChromeURLsHost;
// Replace cache with view-http-cache.
if (host == chrome::kChromeUICacheHost) {
host = chrome::kChromeUINetworkViewCacheHost;
// Replace sync with sync-internals (for legacy reasons).
} else if (host == chrome::kChromeUISyncHost) {
host = chrome::kChromeUISyncInternalsHost;
// Redirect chrome://extensions.
} else if (host == chrome::kChromeUIExtensionsHost) {
host = chrome::kChromeUIUberHost;
path = chrome::kChromeUIExtensionsHost + url->path();
// Redirect chrome://settings/extensions.
// TODO(csilv): Remove this URL after M22 (legacy URL).
} else if (host == chrome::kChromeUISettingsHost &&
url->path() == std::string("/") + chrome::kExtensionsSubPage) {
host = chrome::kChromeUIUberHost;
path = chrome::kChromeUIExtensionsHost;
// Redirect chrome://history.
} else if (host == chrome::kChromeUIHistoryHost) {
#if defined(OS_ANDROID)
// On Android, redirect directly to chrome://history-frame since
// uber page is unsupported.
host = chrome::kChromeUIHistoryFrameHost;
#else
host = chrome::kChromeUIUberHost;
path = chrome::kChromeUIHistoryHost + url->path();
#endif
// Redirect chrome://settings
} else if (host == chrome::kChromeUISettingsHost) {
host = chrome::kChromeUIUberHost;
path = chrome::kChromeUISettingsHost + url->path();
// Redirect chrome://help
} else if (host == chrome::kChromeUIHelpHost) {
host = chrome::kChromeUIUberHost;
path = chrome::kChromeUIHelpHost + url->path();
}
GURL::Replacements replacements;
replacements.SetHostStr(host);
if (!path.empty())
replacements.SetPathStr(path);
*url = url->ReplaceComponents(replacements);
// Having re-written the URL, make the chrome: handler process it.
return false;
}
bool HandleNonNavigationAboutURL(const GURL& url) {
std::string host(url.host());
// chrome://ipc/ is currently buggy, so we disable it for official builds.
#if !defined(OFFICIAL_BUILD)
#if (defined(OS_MACOSX) || defined(OS_WIN)) && defined(IPC_MESSAGE_LOG_ENABLED)
if (LowerCaseEqualsASCII(url.spec(), chrome::kChromeUIIPCURL)) {
// Run the dialog. This will re-use the existing one if it's already up.
chrome::ShowAboutIPCDialog();
return true;
}
#endif
#endif // OFFICIAL_BUILD
return false;
}
std::vector<std::string> ChromePaths() {
std::vector<std::string> paths(kPaths, kPaths + arraysize(kPaths));
std::sort(paths.begin(), paths.end());
return paths;
}
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