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      1 /*
      2  * Copyright (C) 2006 Alexey Proskuryakov (ap (at) webkit.org)
      3  * Copyright (C) 2009 Google Inc. All rights reserved.
      4  * Copyright (C) 2011 Apple Inc. All Rights Reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  *
     10  * 1.  Redistributions of source code must retain the above copyright
     11  *     notice, this list of conditions and the following disclaimer.
     12  * 2.  Redistributions in binary form must reproduce the above copyright
     13  *     notice, this list of conditions and the following disclaimer in the
     14  *     documentation and/or other materials provided with the distribution.
     15  * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
     16  *     its contributors may be used to endorse or promote products derived
     17  *     from this software without specific prior written permission.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
     20  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     21  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     22  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
     23  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     24  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     25  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
     26  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     28  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #ifndef HTTPParsers_h
     32 #define HTTPParsers_h
     33 
     34 #include "core/page/ContentSecurityPolicy.h"
     35 #include "wtf/Forward.h"
     36 #include "wtf/Vector.h"
     37 
     38 namespace WebCore {
     39 
     40 class HTTPHeaderMap;
     41 class ResourceResponseBase;
     42 
     43 typedef enum {
     44     ContentDispositionNone,
     45     ContentDispositionInline,
     46     ContentDispositionAttachment,
     47     ContentDispositionOther
     48 } ContentDispositionType;
     49 
     50 enum ContentTypeOptionsDisposition {
     51     ContentTypeOptionsNone,
     52     ContentTypeOptionsNosniff
     53 };
     54 
     55 enum XFrameOptionsDisposition {
     56     XFrameOptionsNone,
     57     XFrameOptionsDeny,
     58     XFrameOptionsSameOrigin,
     59     XFrameOptionsAllowAll,
     60     XFrameOptionsInvalid,
     61     XFrameOptionsConflict
     62 };
     63 
     64 ContentDispositionType contentDispositionType(const String&);
     65 bool isValidHTTPHeaderValue(const String&);
     66 bool isValidHTTPToken(const String&);
     67 bool parseHTTPRefresh(const String& refresh, bool fromHttpEquivMeta, double& delay, String& url);
     68 double parseDate(const String&);
     69 String filenameFromHTTPContentDisposition(const String&);
     70 String extractMIMETypeFromMediaType(const String&);
     71 String extractCharsetFromMediaType(const String&);
     72 void findCharsetInMediaType(const String& mediaType, unsigned int& charsetPos, unsigned int& charsetLen, unsigned int start = 0);
     73 ContentSecurityPolicy::ReflectedXSSDisposition parseXSSProtectionHeader(const String& header, String& failureReason, unsigned& failurePosition, String& reportURL);
     74 String extractReasonPhraseFromHTTPStatusLine(const String&);
     75 XFrameOptionsDisposition parseXFrameOptionsHeader(const String&);
     76 
     77 // -1 could be set to one of the return parameters to indicate the value is not specified.
     78 bool parseRange(const String&, long long& rangeOffset, long long& rangeEnd, long long& rangeSuffixLength);
     79 
     80 ContentTypeOptionsDisposition parseContentTypeOptionsHeader(const String& header);
     81 
     82 // Parsing Complete HTTP Messages.
     83 enum HTTPVersion { Unknown, HTTP_1_0, HTTP_1_1 };
     84 size_t parseHTTPRequestLine(const char* data, size_t length, String& failureReason, String& method, String& url, HTTPVersion&);
     85 size_t parseHTTPHeader(const char* data, size_t length, String& failureReason, AtomicString& nameStr, String& valueStr);
     86 size_t parseHTTPRequestBody(const char* data, size_t length, Vector<unsigned char>& body);
     87 
     88 }
     89 
     90 #endif
     91