// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "ios/chrome/browser/net/model/ios_chrome_network_delegate.h"

#include <stdlib.h>

#include <cstddef>
#include <iterator>
#include <optional>

#include "base/base_paths.h"
#include "base/debug/alias.h"
#include "base/debug/dump_without_crashing.h"
#include "base/logging.h"
#include "base/metrics/histogram.h"
#include "base/path_service.h"
#include "ios/web/public/thread/web_task_traits.h"
#include "ios/web/public/thread/web_thread.h"
#include "net/base/load_flags.h"
#include "net/base/net_errors.h"
#include "net/http/http_status_code.h"
#include "net/url_request/url_request.h"

namespace {

void ReportInvalidReferrerSend(const GURL& target_url,
                               const GURL& referrer_url) {
  LOG(ERROR) << "Cancelling request to " << target_url
             << " with invalid referrer " << referrer_url;
  // Record information to help debug http://crbug.com/422871
  if (!target_url.SchemeIsHTTPOrHTTPS()) {
    return;
  }
  DUMP_WILL_BE_NOTREACHED();
}

}  // namespace

IOSChromeNetworkDelegate::IOSChromeNetworkDelegate() = default;

IOSChromeNetworkDelegate::~IOSChromeNetworkDelegate() {}

bool IOSChromeNetworkDelegate::
    OnCancelURLRequestWithPolicyViolatingReferrerHeader(
        const net::URLRequest& request,
        const GURL& target_url,
        const GURL& referrer_url) const {
  ReportInvalidReferrerSend(target_url, referrer_url);
  return true;
}