/*
 * Copyright (C) 2010 Google Inc. All rights reserved.
 * Copyright (C) 2017-2021 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:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * 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.
 *     * Neither the name of Google Inc. nor the names of its
 * 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
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER 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,
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 */

#pragma once

#include "ReferrerPolicy.h"
#include "SecurityOriginData.h"
#include <wtf/Forward.h>
#include <wtf/JSONValues.h>
#include <wtf/Ref.h>

namespace WebCore {

class FormData;
class Frame;
class HTTPHeaderMap;
class ResourceRequest;

enum class ViolationReportType : uint8_t {
    ContentSecurityPolicy,
    StandardReportingAPIViolation // https://www.w3.org/TR/reporting/#try-delivery
};

enum class ContentSecurityPolicyImposition : uint8_t;

class PingLoader {
public:
    static void loadImage(Frame&, const URL&);
    static void sendPing(Frame&, const URL& pingURL, const URL& destinationURL);
    WEBCORE_EXPORT static void sendViolationReport(Frame&, const URL& reportURL, Ref<FormData>&& report, ViolationReportType);

    static String sanitizeURLForReport(const URL&);
    static void sendReportToEndpoint(Frame&, const SecurityOriginData&, const String& endpoint, const String& type, const URL& reportURL, const String& userAgent, const Function<void(JSON::Object&)>& populateReportBody);

private:
    enum class ShouldFollowRedirects { No, Yes };
    static void startPingLoad(Frame&, ResourceRequest&, HTTPHeaderMap&& originalRequestHeaders, ShouldFollowRedirects, ContentSecurityPolicyImposition, ReferrerPolicy, std::optional<ViolationReportType> = std::nullopt);
};

} // namespace WebCore