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// Copyright 2015 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/origin_util.h"
#include "base/lazy_instance.h"
#include "base/macros.h"
#include "base/stl_util.h"
#include "content/common/url_schemes.h"
#include "net/base/url_util.h"
#include "url/gurl.h"
#include "url/url_util.h"
namespace {
// This function partially reflects the result from SecurityOrigin::isUnique,
// not its actual implementation. It takes into account how
// SecurityOrigin::create might return unique origins for URLs whose schemes are
// included in SchemeRegistry::shouldTreatURLSchemeAsNoAccess.
bool IsOriginUnique(const url::Origin& origin) {
return origin.unique() ||
base::ContainsValue(url::GetNoAccessSchemes(), origin.scheme());
}
} // namespace
namespace content {
bool IsOriginSecure(const GURL& url) {
if (url.SchemeIsCryptographic() || url.SchemeIsFile())
return true;
if (url.SchemeIsFileSystem() && url.inner_url() &&
IsOriginSecure(*url.inner_url())) {
return true;
}
std::string hostname = url.HostNoBrackets();
if (net::IsLocalhost(hostname))
return true;
if (base::ContainsValue(url::GetSecureSchemes(), url.scheme()))
return true;
if (base::ContainsValue(GetSecureOrigins(), url.GetOrigin()))
return true;
return false;
}
bool OriginCanAccessServiceWorkers(const GURL& url) {
if (url.SchemeIsHTTPOrHTTPS() && IsOriginSecure(url))
return true;
if (base::ContainsValue(GetServiceWorkerSchemes(), url.scheme())) {
return true;
}
return false;
}
bool IsOriginWhiteListedTrustworthy(const url::Origin& origin) {
if (IsOriginUnique(origin))
return false;
return base::ContainsValue(GetSecureOrigins(),
origin.GetURL().HostNoBrackets());
}
bool IsPotentiallyTrustworthyOrigin(const url::Origin& origin) {
// Note: Considering this mirrors SecurityOrigin::isPotentiallyTrustworthy, it
// assumes m_isUniqueOriginPotentiallyTrustworthy is set to false. This
// implementation follows Blink's default behavior but in the renderer it can
// be changed per instance by calls to
// SecurityOrigin::setUniqueOriginIsPotentiallyTrustworthy.
if (IsOriginUnique(origin))
return false;
if (base::ContainsValue(url::GetSecureSchemes(), origin.scheme()) ||
base::ContainsValue(url::GetLocalSchemes(), origin.scheme()) ||
net::IsLocalhost(origin.GetURL().HostNoBrackets())) {
return true;
}
if (IsOriginWhiteListedTrustworthy(origin))
return true;
return false;
}
} // namespace content
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