third_party/WebKit/Source/core/fetch/FetchRequest.cpp

/*
 * Copyright (C) 2012 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:
 * 1. Redistributions of source code must retain the above copyright
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 *    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 GOOGLE 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 COMPUTER, INC. OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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#include "core/fetch/FetchRequest.h"

#include "core/fetch/CrossOriginAccessControl.h"
#include "core/fetch/ResourceFetcher.h"

namespace blink {

FetchRequest::FetchRequest(const ResourceRequest& resourceRequest,
                           const AtomicString& initiator,
                           const String& charset)
    : m_resourceRequest(resourceRequest),
      m_charset(charset),
      m_options(ResourceFetcher::defaultResourceOptions()),
      m_forPreload(false),
      m_linkPreload(false),
      m_preloadDiscoveryTime(0.0),
      m_defer(NoDefer),
      m_originRestriction(UseDefaultOriginRestrictionForType) {
  m_options.initiatorInfo.name = initiator;
}

FetchRequest::FetchRequest(const ResourceRequest& resourceRequest,
                           const AtomicString& initiator,
                           const ResourceLoaderOptions& options)
    : m_resourceRequest(resourceRequest),
      m_options(options),
      m_forPreload(false),
      m_linkPreload(false),
      m_preloadDiscoveryTime(0.0),
      m_defer(NoDefer),
      m_originRestriction(UseDefaultOriginRestrictionForType) {
  m_options.initiatorInfo.name = initiator;
}

FetchRequest::FetchRequest(const ResourceRequest& resourceRequest,
                           const FetchInitiatorInfo& initiator)
    : m_resourceRequest(resourceRequest),
      m_options(ResourceFetcher::defaultResourceOptions()),
      m_forPreload(false),
      m_linkPreload(false),
      m_preloadDiscoveryTime(0.0),
      m_defer(NoDefer),
      m_originRestriction(UseDefaultOriginRestrictionForType) {
  m_options.initiatorInfo = initiator;
}

FetchRequest::~FetchRequest() {}

void FetchRequest::setCrossOriginAccessControl(
    SecurityOrigin* origin,
    CrossOriginAttributeValue crossOrigin) {
  DCHECK_NE(crossOrigin, CrossOriginAttributeNotSet);
  const bool useCredentials = crossOrigin == CrossOriginAttributeUseCredentials;
  const bool isSameOriginRequest =
      origin && origin->canRequestNoSuborigin(m_resourceRequest.url());

  // Currently FetchRequestMode and FetchCredentialsMode are only used when the
  // request goes to Service Worker.
  m_resourceRequest.setFetchRequestMode(WebURLRequest::FetchRequestModeCORS);
  m_resourceRequest.setFetchCredentialsMode(
      useCredentials ? WebURLRequest::FetchCredentialsModeInclude
                     : WebURLRequest::FetchCredentialsModeSameOrigin);

  m_options.allowCredentials = (isSameOriginRequest || useCredentials)
                                   ? AllowStoredCredentials
                                   : DoNotAllowStoredCredentials;
  m_options.corsEnabled = IsCORSEnabled;
  m_options.securityOrigin = origin;
  m_options.credentialsRequested = useCredentials
                                       ? ClientRequestedCredentials
                                       : ClientDidNotRequestCredentials;

  updateRequestForAccessControl(m_resourceRequest, origin,
                                m_options.allowCredentials);
}

void FetchRequest::setResourceWidth(ResourceWidth resourceWidth) {
  if (resourceWidth.isSet) {
    m_resourceWidth.width = resourceWidth.width;
    m_resourceWidth.isSet = true;
  }
}

void FetchRequest::setForPreload(bool forPreload, double discoveryTime) {
  m_forPreload = forPreload;
  m_preloadDiscoveryTime = discoveryTime;
}

void FetchRequest::makeSynchronous() {
  // Synchronous requests should always be max priority, lest they hang the
  // renderer.
  m_resourceRequest.setPriority(ResourceLoadPriorityHighest);
  m_resourceRequest.setTimeoutInterval(10);
  m_options.synchronousPolicy = RequestSynchronously;
}

}  // namespace blink