root/public/web/WebSecurityPolicy.h

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/*
 * Copyright (C) 2009 Google Inc. All rights reserved.
 *
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 * modification, are permitted provided that the following conditions are
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 *
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 * notice, this list of conditions and the following disclaimer.
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 * in the documentation and/or other materials provided with the
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 * this software without specific prior written permission.
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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#ifndef WebSecurityPolicy_h
#define WebSecurityPolicy_h

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

namespace blink {

class WebString;
class WebURL;

class WebSecurityPolicy {
public:
    // Registers a URL scheme to be treated as a local scheme (i.e., with the
    // same security rules as those applied to "file" URLs). This means that
    // normal pages cannot link to or access URLs of this scheme.
    BLINK_EXPORT static void registerURLSchemeAsLocal(const WebString&);

    // Registers a URL scheme to be treated as a noAccess scheme. This means
    // that pages loaded with this URL scheme cannot access pages loaded with
    // any other URL scheme.
    BLINK_EXPORT static void registerURLSchemeAsNoAccess(const WebString&);

    // 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 to not generate mixed content warnings when
    // included by an HTTPS page.
    BLINK_EXPORT static void registerURLSchemeAsSecure(const WebString&);

    // Registers a non-HTTP URL scheme which can be sent CORS requests.
    BLINK_EXPORT static void registerURLSchemeAsCORSEnabled(const WebString&);

    // Registers a URL scheme whose resources can be loaded regardless of a page's Content Security Policy.
    BLINK_EXPORT static void registerURLSchemeAsBypassingContentSecurityPolicy(const WebString&);

    // Registers a URL scheme as strictly empty documents, allowing them to
    // commit synchronously.
    BLINK_EXPORT static void registerURLSchemeAsEmptyDocument(const WebString&);

    // Support for whitelisting access to origins beyond the same-origin policy.
    BLINK_EXPORT static void addOriginAccessWhitelistEntry(
        const WebURL& sourceOrigin, const WebString& destinationProtocol,
        const WebString& destinationHost, bool allowDestinationSubdomains);
    BLINK_EXPORT static void removeOriginAccessWhitelistEntry(
        const WebURL& sourceOrigin, const WebString& destinationProtocol,
        const WebString& destinationHost, bool allowDestinationSubdomains);
    BLINK_EXPORT static void resetOriginAccessWhitelists();

    // 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&);

private:
    WebSecurityPolicy();
};

} // namespace blink

#endif

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