third_party/WebKit/Source/core/fetch/CrossOriginAccessControl.h

   1 /*
   2  * Copyright (C) 2008 Apple Inc. All Rights Reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  * 1. Redistributions of source code must retain the above copyright
   8  *    notice, this list of conditions and the following disclaimer.
   9  * 2. Redistributions in binary form must reproduce the above copyright
  10  *    notice, this list of conditions and the following disclaimer in the
  11  *    documentation and/or other materials provided with the distribution.
  12  *
  13  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
  14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
  17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  24  *
  25  */
  26
  27 #ifndef CrossOriginAccessControl_h
  28 #define CrossOriginAccessControl_h
  29
  30 #include "core/CoreExport.h"
  31 #include "core/fetch/ResourceLoaderOptions.h"
  32 #include "platform/network/ResourceRequest.h"
  33 #include "wtf/Allocator.h"
  34 #include "wtf/Forward.h"
  35 #include "wtf/HashSet.h"
  36
  37 namespace blink {
  38
  39 typedef HashSet<String, CaseFoldingHash> HTTPHeaderSet;
  40
  41 class Resource;
  42 struct ResourceLoaderOptions;
  43 class ResourceRequest;
  44 class ResourceResponse;
  45 class SecurityOrigin;
  46
  47 class CrossOriginAccessControl {
  48     STATIC_ONLY(CrossOriginAccessControl);
  49 public:
  50     // Given the new request URL, returns true if
  51     // - the URL has a CORS supported scheme and
  52     // - the URL does not contain the userinfo production.
  53     static bool isLegalRedirectLocation(const KURL&, String& errorDescription);
  54     static bool handleRedirect(SecurityOrigin*, ResourceRequest&, const ResourceResponse&, StoredCredentials, ResourceLoaderOptions&, String&);
  55 };
  56
  57 CORE_EXPORT bool isOnAccessControlResponseHeaderWhitelist(const String&);
  58
  59 void updateRequestForAccessControl(ResourceRequest&, SecurityOrigin*, StoredCredentials);
  60 ResourceRequest createAccessControlPreflightRequest(const ResourceRequest&, SecurityOrigin*);
  61
  62 bool passesAccessControlCheck(const ResourceResponse&, StoredCredentials, SecurityOrigin*, String& errorDescription, WebURLRequest::RequestContext requestType);
  63 bool passesPreflightStatusCheck(const ResourceResponse&, String& errorDescription);
  64 CORE_EXPORT void parseAccessControlExposeHeadersAllowList(const String& headerValue, HTTPHeaderSet&);
  65
  66 } // namespace blink
  67
  68 #endif // CrossOriginAccessControl_h