third_party/WebKit/public/web/WebSecurityPolicy.h

/*
 * Copyright (C) 2009 Google 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:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
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 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
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 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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 */

#ifndef WebSecurityPolicy_h
#define WebSecurityPolicy_h

#include "public/platform/WebCommon.h"
#include "public/platform/WebReferrerPolicy.h"

namespace blink {

class WebSecurityOrigin;
class WebString;
class WebURL;

class WebSecurityPolicy {
 public:
  // Registers a URL scheme to be treated as display-isolated. This means
  // that pages cannot display these URLs unless they are from the same
  // scheme. For example, pages in other origin cannot create iframes or
  // hyperlinks to URLs with the scheme.
  BLINK_EXPORT static void RegisterURLSchemeAsDisplayIsolated(const WebString&);

  // Registers a URL scheme that can register a ServiceWorker.
  BLINK_EXPORT static void RegisterURLSchemeAsAllowingServiceWorkers(
      const WebString&);

  // Registers an HTTP-like URL scheme that supports the Fetch API.
  BLINK_EXPORT static void RegisterURLSchemeAsSupportingFetchAPI(
      const WebString&);

  // Registers a URL scheme which will always be considered the first-party when
  // loaded in a top-level context.
  BLINK_EXPORT static void RegisterURLSchemeAsFirstPartyWhenTopLevel(
      const WebString&);

  // Support for whitelisting access to origins beyond the same-origin policy.
  BLINK_EXPORT static void AddOriginAccessWhitelistEntry(
      const WebURL& source_origin,
      const WebString& destination_protocol,
      const WebString& destination_host,
      bool allow_destination_subdomains);
  BLINK_EXPORT static void RemoveOriginAccessWhitelistEntry(
      const WebURL& source_origin,
      const WebString& destination_protocol,
      const WebString& destination_host,
      bool allow_destination_subdomains);
  BLINK_EXPORT static void ResetOriginAccessWhitelists();

  // Support for whitelisting origins to treat them as trustworthy.
  BLINK_EXPORT static void AddOriginTrustworthyWhiteList(
      const WebSecurityOrigin&);

  // Support for whitelisting schemes as bypassing secure context checks.
  BLINK_EXPORT static void AddSchemeToBypassSecureContextWhitelist(
      const WebString&);

  // Returns the referrer modified according to the referrer policy for a
  // navigation to a given URL. If the referrer returned is empty, the
  // referrer header should be omitted.
  BLINK_EXPORT static WebString GenerateReferrerHeader(
      WebReferrerPolicy,
      const WebURL&,
      const WebString& referrer);

  // Registers an URL scheme to not allow manipulation of the loaded page
  // by bookmarklets or javascript: URLs typed in the omnibox.
  BLINK_EXPORT static void RegisterURLSchemeAsNotAllowingJavascriptURLs(
      const WebString&);

  // Registers an URL scheme as allowed in referrers.
  BLINK_EXPORT static void RegisterURLSchemeAsAllowedForReferrer(
      const WebString&);

 private:
  WebSecurityPolicy();
};

}  // namespace blink

#endif