/*
 * Copyright (C) 2008 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 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 CrossOriginAccessControl_h
#define CrossOriginAccessControl_h

#include "ResourceHandleTypes.h"
#include <wtf/Forward.h>

namespace WebCore {

class HTTPHeaderMap;
enum class HTTPHeaderName;
class ResourceRequest;
class ResourceResponse;
class SecurityOrigin;
class URL;

bool isSimpleCrossOriginAccessRequest(const String& method, const HTTPHeaderMap&);
bool isOnAccessControlSimpleRequestMethodWhitelist(const String&);
bool isOnAccessControlSimpleRequestHeaderWhitelist(HTTPHeaderName, const String& value);
bool isOnAccessControlResponseHeaderWhitelist(const String&);

void updateRequestForAccessControl(ResourceRequest&, SecurityOrigin&, StoredCredentials);
ResourceRequest createAccessControlPreflightRequest(const ResourceRequest&, SecurityOrigin&);

bool isValidCrossOriginRedirectionURL(const URL&);
void cleanRedirectedRequestForAccessControl(ResourceRequest&);

bool passesAccessControlCheck(const ResourceResponse&, StoredCredentials, SecurityOrigin&, String& errorDescription);

} // namespace WebCore

#endif // CrossOriginAccessControl_h