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/*
* Copyright (C) 2010 Apple Inc. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE, INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_WEBORIGIN_SCHEME_REGISTRY_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_WEBORIGIN_SCHEME_REGISTRY_H_
#include "third_party/blink/renderer/platform/platform_export.h"
#include "third_party/blink/renderer/platform/wtf/allocator.h"
#include "third_party/blink/renderer/platform/wtf/hash_map.h"
#include "third_party/blink/renderer/platform/wtf/hash_set.h"
#include "third_party/blink/renderer/platform/wtf/text/string_hash.h"
#include "third_party/blink/renderer/platform/wtf/text/wtf_string.h"
namespace blink {
using URLSchemesSet = HashSet<String>;
template <typename Mapped, typename MappedTraits>
using URLSchemesMap = HashMap<String,
Mapped,
DefaultHash<String>::Hash,
HashTraits<String>,
MappedTraits>;
class PLATFORM_EXPORT SchemeRegistry {
STATIC_ONLY(SchemeRegistry);
public:
static void Initialize();
static void RegisterURLSchemeAsLocal(const String&);
static bool ShouldTreatURLSchemeAsLocal(const String&);
static bool ShouldTreatURLSchemeAsRestrictingMixedContent(const String&);
// Subresources transported by secure schemes do not trigger mixed content
// warnings. For example, https and data are secure schemes because they
// cannot be corrupted by active network attackers.
static void RegisterURLSchemeAsSecure(const String&);
static bool ShouldTreatURLSchemeAsSecure(const String&);
static bool ShouldTreatURLSchemeAsNoAccess(const String&);
// Display-isolated schemes can only be displayed (in the sense of
// SecurityOrigin::canDisplay) by documents from the same scheme.
static void RegisterURLSchemeAsDisplayIsolated(const String&);
static bool ShouldTreatURLSchemeAsDisplayIsolated(const String&);
static bool ShouldLoadURLSchemeAsEmptyDocument(const String&);
static void SetDomainRelaxationForbiddenForURLScheme(bool forbidden,
const String&);
static bool IsDomainRelaxationForbiddenForURLScheme(const String&);
// Such schemes should delegate to SecurityOrigin::canRequest for any URL
// passed to SecurityOrigin::canDisplay.
static bool CanDisplayOnlyIfCanRequest(const String& scheme);
// Schemes against which javascript: URLs should not be allowed to run (stop
// bookmarklets from running on sensitive pages).
static void RegisterURLSchemeAsNotAllowingJavascriptURLs(
const String& scheme);
static void RemoveURLSchemeAsNotAllowingJavascriptURLs(const String& scheme);
static bool ShouldTreatURLSchemeAsNotAllowingJavascriptURLs(
const String& scheme);
static bool ShouldTreatURLSchemeAsCorsEnabled(const String& scheme);
// Serialize the registered schemes in a comma-separated list.
static String ListOfCorsEnabledURLSchemes();
// "Legacy" schemes (e.g. 'ftp:', 'gopher:') which we might want to treat
// differently from "webby" schemes.
static bool ShouldTreatURLSchemeAsLegacy(const String& scheme);
// Does the scheme represent a location relevant to web compatibility metrics?
static bool ShouldTrackUsageMetricsForScheme(const String& scheme);
// Schemes that can register a service worker.
static void RegisterURLSchemeAsAllowingServiceWorkers(const String& scheme);
static bool ShouldTreatURLSchemeAsAllowingServiceWorkers(
const String& scheme);
// HTTP-like schemes that are treated as supporting the Fetch API.
static void RegisterURLSchemeAsSupportingFetchAPI(const String& scheme);
static bool ShouldTreatURLSchemeAsSupportingFetchAPI(const String& scheme);
// Schemes which override the first-/third-party checks on a Document.
static void RegisterURLSchemeAsFirstPartyWhenTopLevel(const String& scheme);
static void RemoveURLSchemeAsFirstPartyWhenTopLevel(const String& scheme);
static bool ShouldTreatURLSchemeAsFirstPartyWhenTopLevel(
const String& scheme);
// Schemes that can be used in a referrer.
static void RegisterURLSchemeAsAllowedForReferrer(const String& scheme);
static void RemoveURLSchemeAsAllowedForReferrer(const String& scheme);
static bool ShouldTreatURLSchemeAsAllowedForReferrer(const String& scheme);
// Allow resources from some schemes to load on a page, regardless of its
// Content Security Policy.
enum PolicyAreas : uint32_t {
kPolicyAreaNone = 0,
kPolicyAreaImage = 1 << 0,
kPolicyAreaStyle = 1 << 1,
// Add more policy areas as needed by clients.
kPolicyAreaAll = ~static_cast<uint32_t>(0),
};
static void RegisterURLSchemeAsBypassingContentSecurityPolicy(
const String& scheme,
PolicyAreas = kPolicyAreaAll);
static void RemoveURLSchemeRegisteredAsBypassingContentSecurityPolicy(
const String& scheme);
static bool SchemeShouldBypassContentSecurityPolicy(
const String& scheme,
PolicyAreas = kPolicyAreaAll);
// Schemes which bypass Secure Context checks defined in
// https://w3c.github.io/webappsec-secure-contexts/#is-origin-trustworthy
static void RegisterURLSchemeBypassingSecureContextCheck(
const String& scheme);
static bool SchemeShouldBypassSecureContextCheck(const String& scheme);
// Schemes that can use 'wasm-eval'.
static void RegisterURLSchemeAsAllowingWasmEvalCSP(const String& scheme);
static bool SchemeSupportsWasmEvalCSP(const String& scheme);
private:
static const URLSchemesSet& LocalSchemes();
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_PLATFORM_WEBORIGIN_SCHEME_REGISTRY_H_
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