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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 "content/public/common/url_constants.h"
#include "base/string_util.h"
#include "googleurl/src/url_util.h"
namespace {
const char* kDefaultSavableSchemes[] = {
chrome::kHttpScheme,
chrome::kHttpsScheme,
chrome::kFileScheme,
chrome::kFtpScheme,
chrome::kChromeDevToolsScheme,
chrome::kChromeUIScheme,
NULL
};
char** g_savable_schemes = const_cast<char**>(kDefaultSavableSchemes);
} // namespace
namespace chrome {
const char kAboutScheme[] = "about";
const char kBlobScheme[] = "blob";
// Before adding new chrome schemes please check with security@chromium.org.
// There are security implications associated with introducing new schemes.
const char kChromeDevToolsScheme[] = "chrome-devtools";
const char kChromeInternalScheme[] = "chrome-internal";
const char kChromeUIScheme[] = "chrome";
const char kDataScheme[] = "data";
const char kFileScheme[] = "file";
const char kFileSystemScheme[] = "filesystem";
const char kFtpScheme[] = "ftp";
const char kHttpScheme[] = "http";
const char kHttpsScheme[] = "https";
const char kJavaScriptScheme[] = "javascript";
const char kMailToScheme[] = "mailto";
const char kMetadataScheme[] = "metadata";
const char kSwappedOutScheme[] = "swappedout";
const char kViewSourceScheme[] = "view-source";
const char kStandardSchemeSeparator[] = "://";
const char kAboutBlankURL[] = "about:blank";
const char kChromeUIAppCacheInternalsHost[] = "appcache-internals";
const char kChromeUIBlobInternalsHost[] = "blob-internals";
const char kChromeUIBrowserCrashHost[] = "inducebrowsercrashforrealz";
const char kChromeUINetworkViewCacheHost[] = "view-http-cache";
const char kChromeUICrashURL[] = "chrome://crash";
const char kChromeUIGpuCleanURL[] = "chrome://gpuclean";
const char kChromeUIGpuCrashURL[] = "chrome://gpucrash";
const char kChromeUIGpuHangURL[] = "chrome://gpuhang";
const char kChromeUIHangURL[] = "chrome://hang";
const char kChromeUIKillURL[] = "chrome://kill";
const char kChromeUINetworkViewCacheURL[] = "chrome://view-http-cache/";
const char kChromeUIShorthangURL[] = "chrome://shorthang";
// This error URL is loaded in normal web renderer processes, so it should not
// have a chrome:// scheme that might let it be confused with a WebUI page.
const char kUnreachableWebDataURL[] = "data:text/html,chromewebdata";
// This URL is loaded when a page is swapped out and replaced by a page in a
// different renderer process. It must have a unique origin that cannot be
// scripted by other pages in the process.
const char kSwappedOutURL[] = "swappedout://";
} // namespace chrome
namespace content {
const char** GetSavableSchemes() {
return const_cast<const char**>(g_savable_schemes);
}
void RegisterContentSchemes(const char** additional_savable_schemes) {
// Don't need "chrome-internal" which was used in old versions of Chrome for
// the new tab page.
url_util::AddStandardScheme(chrome::kChromeDevToolsScheme);
url_util::AddStandardScheme(chrome::kChromeUIScheme);
url_util::AddStandardScheme(chrome::kMetadataScheme);
// Prevent future modification of the standard schemes list. This is to
// prevent accidental creation of data races in the program. AddStandardScheme
// isn't threadsafe so must be called when GURL isn't used on any other
// thread. This is really easy to mess up, so we say that all calls to
// AddStandardScheme in Chrome must be inside this function.
url_util::LockStandardSchemes();
// We rely on the above lock to protect this part from being invoked twice.
if (additional_savable_schemes) {
int schemes = 0;
while (additional_savable_schemes[++schemes]);
// The array, and the copied schemes won't be freed, but will remain
// reachable.
g_savable_schemes = new char*[schemes + arraysize(kDefaultSavableSchemes)];
memcpy(g_savable_schemes,
kDefaultSavableSchemes,
arraysize(kDefaultSavableSchemes) * sizeof(char*));
for (int i = 0; i < schemes; ++i) {
g_savable_schemes[arraysize(kDefaultSavableSchemes) + i - 1] =
base::strdup(additional_savable_schemes[i]);
}
g_savable_schemes[arraysize(kDefaultSavableSchemes) + schemes - 1] = 0;
}
}
} // namespace content
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